CN211032629U

CN211032629U - Folding handcart

Info

Publication number: CN211032629U
Application number: CN201921127882.2U
Authority: CN
Inventors: 洪岸
Original assignee: Daye Sifang Children's Products Co ltd
Current assignee: Huangshi Yutong children's products Co.,Ltd.
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-07-17
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a folding handcart, which comprises a frame, wherein the frame comprises a wheel carrier, a connecting arm and a hand push handle; two ends of the connecting arm are respectively hinged with the wheel carrier and the hand push handle; the connecting arm is turned over by taking the joint of the connecting arm and the wheel carrier as an axis, the hand-push handle is turned over by taking one end of the connecting arm connected with the hand-push handle as the axis, and the wheel carrier, the connecting arm and the hand-push handle are gathered and stored by turning over the hand-push handle, the connecting arm and the wheel carrier mutually. The hand push handle is provided with a key, and the key is connected with a pull rope; the hand push handle is provided with a butt joint piece, a clamping wheel is arranged in the butt joint piece, and the pull rope is connected to drive the clamping wheel to rotate; one end of the connecting arm connected with the butt joint part is provided with a latch, the latch is connected with the latch in a matching way, and the pull rope drives the latch to rotate so that the latch and the latch are staggered, so that the connecting arm is unlocked and rotates. It has the advantages of simple structure, compact matching and the like; therefore, the product has excellent technical and economic performance.

Description

Folding handcart

[ technical field ] A method for producing a semiconductor device

The utility model mainly relates to a foldable handcart.

[ background of the invention ]

The trolley is a trolley which is convenient for transporting a small amount of goods in a short distance, and is a tool which is commonly used in daily life, particularly leisure, travel, shopping, delivery and even business trips. The current folding portable handcart, ubiquitous folding convenient enough, after folding, the volume is still very big, can not realize the folding of maximize, is not convenient for deposit and carry.

[ Utility model ] content

In order to solve the problem, the utility model provides a foldable handcart.

The folding trolley adopts the following technical scheme:

a folding handcart comprises a frame, wherein the frame comprises a wheel frame, a connecting arm and a hand push handle; two ends of the connecting arm are respectively hinged with the wheel carrier and the hand push handle; the connecting arm is turned over by taking the connecting part of the connecting arm and the wheel carrier as an axis, the hand push handle is turned over by taking one end of the connecting arm connected with the hand push handle as the axis, and the wheel carrier, the connecting arm and the hand push handle are gathered and stored by turning the hand push handle, the connecting arm and the wheel carrier mutually;

the hand push handle is provided with a key, and the key is connected with a pull rope; the hand push handle is provided with a butt joint piece, a clamping wheel is arranged in the butt joint piece, and the pull rope is connected to drive the clamping wheel to rotate; one end of the connecting arm connected with the butt joint part is provided with a latch, the latch is connected with the latch in a matching way, and the pull rope drives the latch to rotate so that the latch and the latch are staggered, so that the connecting arm is unlocked and rotates.

Preferably, the butt joint part is provided with a bent and bent hinge joint, the connecting arm is hinged to the hinge joint, and the hand push handle turns around the hinge joint as an axis.

Preferably, the bottom of the frame is provided with a sliding wheel set, and the sliding wheel set comprises universal wheels and fixed wheels.

Preferably, the wheel frame comprises a hinge, a front wheel frame and a rear wheel frame, the universal wheel is mounted on the front wheel frame, and the fixed wheel is mounted on the rear wheel frame.

Preferably, the hinge member includes a first hinge portion, a second hinge portion and a fixing portion, the rear wheel frame is fixedly connected to the fixing portion, the front wheel frame is hinged to the second hinge portion, and the front wheel frame rotates about the second hinge portion as an axis.

Preferably, the hinge is placed in a triangular shape, the first hinge portion faces upward, one end of the connecting arm is hinged to the first hinge portion, and the connecting arm is turned over by taking the first hinge portion as an axis.

Preferably, the frame further comprises a seat rod frame, a protective rod, a handrail frame, an extension rod and a follower, wherein the protective rod is hinged to the hinged joint, and two ends of the extension rod are respectively hinged to the butt joint piece and the wheel frame.

Preferably, the armrest frame is hinged to the connecting arm and the seat post frame, and the armrest frame is connected with the seat post frame through the follower.

Preferably, the seat bar frame is hinged to the connecting arm and the extension bar, and the seat bar frame is connected to the extension bar through a follower.

The utility model discloses compare produced beneficial effect with the background art:

the utility model provides a folding handcart, which comprises a frame, wherein the frame comprises a wheel carrier, an articulated element, a butt joint element, a connecting arm, a hand push handle, a seat rod frame, a protective rod, a handrail frame, an extension rod and a follower; according to the technical scheme, the key unlocking connecting arm of the hand push handle is pressed, the connecting arm, the extension arm, the seat rod frame, the frame and the front wheel frame are connected with one another to form a connecting rod structure, the rear wheel frame of the connecting structure is a movable reference, and the rotary hand push handle drives the extension arm, the connecting arm, the front wheel frame and other components to be close to and contract towards the rear wheel frame so as to reduce the space volume occupation of the frame, achieve linkage storage and be convenient and fast. It has the advantages of simple structure, compact structure, convenient use, reasonable design and the like; therefore, the product has excellent technical and economic performance.

[ description of the drawings ]

Fig. 1 is an expanded view of a foldable stroller in accordance with a preferred embodiment of the present invention;

fig. 2 is a schematic view of a hinge assembly in a preferred embodiment of the present invention;

FIG. 3 is a schematic view of the docking member in a preferred embodiment of the present invention;

FIG. 4 is a schematic view of a follower in accordance with a preferred embodiment of the present invention;

fig. 5 is a schematic view of the foldable stroller in a first stowed position according to a preferred embodiment of the present invention;

fig. 6 is a schematic view of the foldable trolley according to the preferred embodiment of the present invention in a second storage position;

fig. 7 is a schematic view of a third stowed position of the foldable wagon of the preferred embodiment of the present invention;

fig. 8 is a partial view of a first perspective of a foldable wagon according to a preferred embodiment of the present invention;

fig. 9 is a partial view of a second perspective of the foldable wagon of the present invention.

[ detailed description ] embodiments

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

The utility model provides a preferred embodiment: as shown in fig. 1 to 9, a foldable handcart comprises a frame 10, wherein the frame 10 comprises a wheel frame 20, a connecting arm 30, a hand push handle 40, a seat post frame 50, a guard bar 60, a handrail frame 70, an extension bar 80 and a follower 90; the two ends of the connecting arm 30 are respectively hinged with the wheel frame 20 and the hand push handle 40; the connecting arm 30 is turned over by taking the connecting position of the connecting arm and the wheel frame 20 as an axis, the hand push handle 40 is turned over by taking the end, connected with the hand push handle 40, of the connecting arm 30 as the axis, and the wheel frame, the connecting arm and the hand push handle are gathered and stored by turning the hand push handle, the connecting arm and the wheel frame mutually.

A sliding wheel set 11 is mounted at the bottom of the frame 10, and the sliding wheel set 11 comprises a universal wheel 12 and a fixed wheel 13; the wheel frame 20 includes a hinge 21, a front wheel frame 22 and a rear wheel frame 23, the universal wheel 12 is mounted on the front wheel frame 22, and the fixed wheel 13 is mounted on the rear wheel frame 23.

The hinge 21 includes a first hinge portion 24, a second hinge portion 25 and a fixing portion 26, the rear wheel frame 23 is fixedly connected to the fixing portion 26, the front wheel frame 22 is hinged to the second hinge portion 25, and the front wheel frame 22 rotates around the second hinge portion 25; the hinge 21 is disposed in a triangular shape, the first hinge portion 24 faces upward, one end of the connecting arm 30 is hinged to the first hinge portion 24, and the connecting arm 30 is turned around the first hinge portion 24 as an axis.

The handle 40 is provided with an abutting piece 41, the abutting piece 41 is provided with a bent hinged joint 42, the connecting arm 30 is hinged at the hinged joint 42, and the handle 40 is turned over by taking the hinged joint 42 as an axis. The guard bar 60 is hinged to the hinge joint 42, and both ends of the extension bar 80 are respectively hinged to the butt joint 41 and the rear wheel frame 23. The armrest frame 70 is hinged to the connecting arm 30 and the seat rod frame 50, and the armrest frame 70 is connected with the seat rod frame 50 through the follower 90; the seat bar frame 50 is hinged to the connecting arm 30 and the extension bar 80, the seat bar frame 50 is connected to the extension bar 80 through a follower 90, the follower is hinged to a component through the end part, and the turnover angle of the component can be adjusted through the follower. The extension rod overturns to drive the seat rod frame to rotate, the rotating seat rod frame simultaneously drives the grab rail to rotate, linkage storage is achieved, and convenience and rapidness are achieved.

The hand push handle 40 is provided with a key 43, the key 43 is connected with a pull rope, a clamping wheel 44 is arranged in the butt joint piece, and the pull rope is connected to drive the clamping wheel 44 to rotate; the clamp wheel 44 is provided with a connecting hole 45 for connecting the pull rope in series, one end of the connecting arm 30 connected with the butt joint part 41 is provided with a clamp tooth 31, the clamp tooth 31 is connected with the clamp wheel 44 in a matched mode, and the pull rope drives the clamp wheel 44 to rotate so that the clamp wheel 44 and the clamp tooth 31 are staggered, so that the connecting arm is unlocked and can rotate.

The connecting structure is characterized in that the key unlocking connecting arm is pressed, the connecting arm, the extension arm, the seat rod frame, the frame and the front wheel frame are connected with one another to form a connecting rod structure, the rear wheel frame of the connecting structure is used as a movable reference, and the hand push handle is rotated to drive components such as the extension arm, the connecting arm and the front wheel frame to be close to and retracted with the rear wheel frame, so that the occupied space volume of the frame is reduced.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims

1. A foldable handcart, includes frame, its characterized in that: the frame comprises a wheel carrier, a connecting arm and a hand push handle; two ends of the connecting arm are respectively hinged with the wheel carrier and the hand push handle; the connecting arm is turned over by taking the connecting part of the connecting arm and the wheel carrier as an axis, the hand push handle is turned over by taking one end of the connecting arm connected with the hand push handle as the axis, and the wheel carrier, the connecting arm and the hand push handle are gathered and stored by turning the hand push handle, the connecting arm and the wheel carrier mutually;

2. The foldable trolley according to claim 1, further comprising: the butt joint piece is provided with a bent and bent hinged joint, the connecting arm is hinged to the hinged joint, and the hand push handle is turned over by taking the hinged joint as an axis.

3. The foldable trolley according to claim 1, further comprising: the frame bottom is installed the slip wheelset, the slip wheelset includes universal wheel and fixed pulley.

4. The foldable trolley according to claim 3, further comprising: the wheel carrier comprises a hinge piece, a front wheel carrier and a rear wheel carrier, the universal wheel is installed on the front wheel carrier, and the fixed wheel is installed on the rear wheel carrier.

5. The foldable trolley according to claim 4, further comprising: the articulated piece comprises a first articulated part, a second articulated part and a fixed part, the rear wheel frame is fixedly connected with the fixed part, the front wheel frame is articulated with the second articulated part, and the front wheel frame rotates by taking the second articulated part as an axis.

6. The foldable trolley according to claim 5, further comprising: the articulated elements are placed in a triangular shape, the first articulated parts face upwards, one ends of the connecting arms are articulated on the first articulated parts, and the connecting arms turn over by taking the first articulated parts as axes.

7. The foldable trolley according to claim 2, further comprising: the frame further comprises a seat rod frame, a protective rod, a handrail frame, an extension rod and a follower, wherein the protective rod is hinged to the hinged joint, and two ends of the extension rod are respectively hinged to the butt joint piece and the wheel frame.

8. The foldable trolley according to claim 7, further comprising: the handrail frame is hinged to the connecting arm and the seat rod frame, and the handrail frame is connected with the seat rod frame through the follower.

9. The foldable trolley according to claim 7, further comprising: the seat rod frame is hinged to the connecting arm and the extension rod and is connected to the extension rod through the follower.