CN210822342U

CN210822342U - Sliding folding handcart

Info

Publication number: CN210822342U
Application number: CN201921338869.1U
Authority: CN
Inventors: 赵国松; 马聪泉
Original assignee: Shaoxing Shangyu Rixing Hardware Products Co Ltd
Current assignee: Shaoxing Shangyu Rixing Hardware Products Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-23
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a foldable handcart slides, including having the frame of expansion, the state of folding up, the frame includes the both sides frame of mutual disposition and sets up the connecting piece between the frame of both sides, and each side bearer includes: the bottom rod is provided with a front end and a rear end which are opposite to each other and are respectively used for installing a front wheel and a rear wheel; the X-shaped supporting rod comprises a first supporting rod and a second supporting rod which are matched in a rotating mode, the bottom of the first supporting rod is matched with the bottom rod in a rotating mode, and the bottom of the second supporting rod is matched with the bottom rod in a sliding mode; the push handle rod is in rotating fit with the top of the second support rod; the seat is provided with a front side and a rear side which are opposite, one of the front side and the rear side is in running fit with the top of the first support rod, and the other side is in running fit with the push handle rod. The utility model provides a foldable handcart slides, the member figure of frame is less, the relation of connection is simple, can realize the expansion of handcart, fold up the function, and second vaulting pole and sill bar sliding fit.

Description

Sliding folding handcart

Technical Field

The utility model relates to a folding device's technical field especially relates to a slide folding type handcart.

Background

The handcart in the prior art generally has two states of unfolding and folding, and when the handcart is not used, the occupied space is reduced by folding the handcart. Because the number of the rod pieces of the frame of the handcart is large and the connection relation is complex, certain difficulty is brought to a user in the folding and unfolding operation processes, and the customer experience effect is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a sliding and folding type cart for solving the problem of operational difficulty in the folding and unfolding processes of the existing cart.

In order to achieve the above purpose, the utility model adopts the following technical proposal: a trolley of the sliding and folding type comprising a frame having an unfolded and folded state, the frame comprising oppositely disposed side frames and a connecting member disposed between the side frames, each side frame comprising:

a bottom bar having opposite front and rear ends for mounting front and rear wheels, respectively;

the X-shaped supporting rod comprises a first supporting rod and a second supporting rod which are in running fit, the bottom of the first supporting rod is in running fit with the bottom rod, and the bottom of the second supporting rod is in sliding fit with the bottom rod;

the push handle rod is in rotating fit with the top of the second support rod;

the seat is provided with opposite front and rear sides, one of the front and rear sides is in running fit with the top of the first support rod, and the other side is in running fit with the push handle rod.

In one embodiment, the bottom of the first support rod is rotatably matched with the bottom rod, and the rotatably matched part is adjacent to the rear end of the bottom rod.

In one embodiment, the bottom of the second stay bar is in sliding fit with the bottom bar in the following manner:

the bottom of the second support rod is provided with a guide sleeve which is sleeved on the bottom rod in a sliding manner; or

The bottom rod is provided with a slide way, and the bottom end of the second support rod is slidably mounted on the slide way.

In one embodiment, the top of the chute is open to allow the bottom of the second brace to disengage from the bottom bar.

In one embodiment, the front side of the seat bar is pivotally coupled to the top of the first stay, and the rear side of the seat bar is pivotally coupled to the middle of the push handle bar toward the bottom.

In one embodiment, in a folded state, the pushing handle bar, the first support bar and the second support bar are all folded towards the bottom bar, wherein the top of the first support bar is adjacent to the front end of the bottom bar, the top of the second support bar is adjacent to the rear end of the bottom bar, the bottom of the second support bar slides to be adjacent to the front end of the bottom bar, and the pushing handle bar is folded towards the front end of the bottom bar.

In one of the embodiments, the frame is further provided with a locking mechanism for maintaining the unfolded state, the locking mechanism acting in at least one of the following positions:

the bottom rod and the second support rod are arranged between the bottom rod and the second support rod;

the bottom rod and the first support rod;

between the first and second struts.

In one embodiment, a bearing part is arranged between the seat rods of the two side frames, and the bearing part is at least one of the following modes:

the bearing piece is a seat pocket;

the bearing piece is a fourth connecting rod;

the bearing parts are seat boards, and the seat boards are connected with the seat rods of the two side frames into a whole.

In one embodiment, the connector comprises:

the first connecting piece is fixedly connected between the bottom rods of the two side frames;

the second connecting piece is fixedly connected between the push handle rods of the two side frames;

and the third connecting piece is fixedly connected between the X-shaped supporting rods of the two side frames.

In one embodiment, the first connecting member is a bottom plate, and the bottom plate is integrally connected with bottom rods of the two side frames.

The utility model provides a foldable handcart slides, the member figure of frame is less, the relation of connection is simple, can realize the expansion of handcart, fold up the function, and second vaulting pole and sill bar sliding fit, can reduce the resistance that the handcart formed at folding, expansion in-process.

Other advantages of the present application will be further described in the detailed description.

Drawings

FIG. 1 is a schematic view of a foldable trolley according to one embodiment in an unfolded state;

FIG. 2 is a schematic view of the stroller shown in FIG. 1 in a semi-collapsed state;

fig. 3 is a schematic view of the cart shown in fig. 1 in a collapsed state.

Reference numerals:

10. a side frame; 11. a bottom bar; 12. an X-shaped support bar; 121. a first stay bar; 122. a second stay bar; 1221. a guide sleeve; 13. a handle bar; 14. a seat post; 141. a sinking zone; 20. a front wheel; 30. and a rear wheel.

The following detailed description of the invention will be further described with reference to the accompanying drawings.

Detailed Description

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

It will be understood that when an element is referred to as being "connected" to another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "mounted" to another component, it can be directly mounted to the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

An embodiment of the utility model provides a foldable handcart slides, this handcart includes the frame and installs the wheel in the frame bottom. The frame has an expanded and a collapsed state. The frame forms the accommodation space under the expansion state, can be used to the holding infant, also can be used to the holding other goods, and this frame is through installing the wheel, is more convenient for remove.

Referring to fig. 1 to 3, the frame includes two side frames 10 disposed opposite to each other and a connecting member (not shown) disposed between the two side frames 10, wherein each side frame 10 can be folded, and the connecting member connects the two side frames 10 to enable the two side frames to be unfolded or folded synchronously. The three-dimensional structure of the frame is constructed by the connecting pieces, so that an accommodating space is formed between the two side frames 10 of the frame in the unfolded state.

Each side frame 10 includes a bottom bar 11, an X-shaped support bar 12, a push handle bar 13 and a seat bar 14, the bottom bar 11 is connected to the X-shaped support bar 12, the push handle bar 13 is connected to the X-shaped support bar 12, the seat bar 14 is connected between the X-shaped support bar 12 and the push handle bar 13, and wheels are mounted on the bottom of the bottom bar 11. The bottom bar 11 is used to support the side frame 10, the X-shaped support bar 12 is used to perform a folding function, the seat bar 14 is used to form a seat for an infant to sit on, and the handle bar 13 is used to form a force application member. In the unfolded state, the cart is pushed by acting on the push lever 13.

The bottom bar 11 has opposite front and rear ends, and the trolley is in use, for example, with the user standing adjacent the rear end and the opposite end being the front end. The wheels include a front wheel 20 and a rear wheel 30, the front wheel 20 is mounted to the front end of the bottom bar 11, and the rear wheel 30 is mounted to the rear end of the bottom bar 11.

The X-shaped support rod 12 includes a first support rod 121 and a second support rod 122 which are rotatably engaged, the rotatably engaged portions of the first support rod 121 and the second support rod 122 are disposed at the middle positions of the first support rod 121 and the second support rod 122, the bottom of the first support rod 121 is rotatably engaged with the bottom rod 11, and the bottom of the second support rod 122 is slidably engaged with the bottom rod 11. It can be understood that the sliding fit of the second brace 122 and the bottom bar 11 can reduce the resistance of the trolley during the folding and unfolding processes; the rotation fit can be, for example, a pivot joint, a movable rivet joint, etc.

The push rod 13 is rotatably matched with the top of the second support rod 122, and the whole frame can be acted by applying force to the push rod 13.

The seat bar 14 has opposite front and rear sides, one of which is rotatably fitted to the top of the first stay 121 and the other of which is rotatably fitted to the push lever 13. It is understood that the front and rear sides are positioned such that the seat faces forward relative to the direction in which the seat faces. During the folding process, the seat post 14 also changes position.

The foldable handcart that slides that this embodiment provided, the member quantity of frame is less, the relation of connection is simple, can realize the expansion, folding up of frame, and second vaulting pole 122 and sill bar 11 sliding fit reduce the frame at the folding, resistance that the expansion in-process formed.

In one embodiment, the connecting members include a first connecting member fixedly connected between the bottom rods 11 of the two side frames 10, a second connecting member fixedly connected between the handle bars 13 of the two side frames 10, and a third connecting member fixedly connected between the X-shaped support rods 12 of the two side frames 10. During the folding process, the positions of the connecting pieces are changed.

The fixed connection position of each connecting piece can be set as required. In one embodiment, the first connecting member is a base plate, and the base plate is integrally connected to the bottom bars 11 of the two side frames 10. In other embodiments, the second connecting member may be fixedly connected to the top of the two pushing rods 13, and the top and bottom of the X-shaped support bar 12 are fixedly connected to the third connecting member, respectively.

In one embodiment, the frame is provided with a locking mechanism for maintaining the unfolded state, so that the stroller has sufficient stability when the infant is placed in the unfolded state. The locking mechanism may be provided at one or more of between the bottom bar 11 and the second brace 122, between the bottom bar 11 and the first brace 121, or between the first brace 121 and the second brace 122. For example, locking mechanisms are provided between the bottom bar 11 and the second stay 122 and between the bottom bar 11 and the first stay 121. The locking mechanism may be a movable pin, a snap, a friction lock, or a locking by cooperating snap fit.

In one embodiment, the bottom of the first brace 121 is pivotally engaged with the bottom bar 11 at a location proximate the rear end of the bottom bar 11. The rotation fit can be, for example, a pivot joint, a movable rivet joint, etc. Specifically, the portion of the rotation fit is the rear end of the bottom bar 11.

In one embodiment, the bottom of the second support rod 122 is provided with a guiding sleeve 1221, the guiding sleeve 1221 is slidably sleeved on the bottom rod 11, and during the unfolding and folding processes, the guiding sleeve 1221 slides along the bottom rod 11 to form a moving state that the bottom of the second support rod 122 is slidably matched with the bottom rod 11.

In other embodiments, a slide way (not shown) is disposed on the bottom rod 11, and the bottom end of the second support rod 122 is slidably mounted on the slide way, so that the bottom end of the second support rod 122 moves along the slide way during the unfolding and folding processes.

In other embodiments, the top of the chute is open to allow the bottom of the second brace 122 to disengage from the bottom bar 11. The slide way is arranged on the upper portion of the bottom rod 11, the opening of the slide way faces upwards, the second support rod 122 abuts against the slide way, and in the unfolding and folding processes, the second support rod 122 can be separated from the bottom rod 11 along the opening direction of the slide way when sliding in the slide way.

Referring to fig. 1, in the unfolded state, the bottom of the second stay 122 slides on the middle of the bottom bar 11. With reference to fig. 2 and fig. 3, during the unfolding and folding processes, the sliding range of the second stay 122 on the bottom bar 11 is the region formed from the front end to the middle of the bottom bar 11.

In one embodiment, the front side of the seat bar 14 is rotatably engaged with the top of the first stay 121, and the rear side of the seat bar 14 is rotatably engaged with the push lever 13. The rotation fit position of the seat rod 14 and the pushing rod 13 can be the middle of the pushing rod 13 or the position near the bottom end of the pushing rod 13, and the rotation fit position is related to the folding posture so as to be beneficial to aligning the rod pieces and be convenient for the seat rod 14 to be accommodated in the frame so as to save space. It will be appreciated that the middle of the handle bar 13 may be offset from the middle of the handle bar 13 toward the bottom end, and preferably the pivot engagement is one-third of the distance from the bottom end of the handle bar 13. It is understood that in other embodiments, the middle portion of the handle bar 13 may be slightly offset from the top end of the handle bar 13.

Specifically, a carrier for an infant or cargo is provided between the seat bars 14 of the side frames 10. The carrier may be a seat pocket, a fourth connecting rod, or a seat plate, etc. When the carrier is a seat plate, the seat plate is integrally connected to the seat posts 14 of the side frames 10. When the bearing part is a fourth connecting rod, the fourth connecting rod is preferably composed of a plurality of connecting rods.

In one embodiment, the handle bar 13, the first stay 121 and the second stay 122 are substantially equal in length to facilitate folding of the frame. More specifically, the lengths of the push handle bar 13, the first stay bar 121 and the second stay bar 122 are equal, and the length of the bottom bar 11 is slightly greater than or equal to the lengths of the push handle bar 13, the first stay bar 121 and the second stay bar 122, so as to save space.

Referring to fig. 3, in the folded state, the pushing handle 13, the first supporting rod 121 and the second supporting rod 122 are folded toward the bottom rod 11, that is, the top end of the pushing handle 13 is folded toward the front end of the bottom rod 11, the top of the first supporting rod 121 is adjacent to the front end of the bottom rod 11, the top of the second supporting rod 122 is adjacent to the rear end of the bottom rod 11, and the bottom of the second supporting rod 122 slides to the front end of the bottom rod 11. The seat bar 14 is accommodated in the front end region of the bottom bar 11 due to the folding of the first stay 121 and the push handle bar 13, the seat bar 14 is substantially L-shaped, the middle of the seat bar 14 is a sinking region 141, the sinking region 141 corresponds to a recess of the L-shaped seat bar 14, and the sinking region 141 is adjacent to or crosses the bottom bar 11 in the folded state to reduce the accommodating space of the frame.

The utility model provides a sliding folding type trolley, the number of the members of the frame is less, the connection relation is simple, the unfolding and folding functions of the trolley can be realized, and the second stay bar 122 is in sliding fit with the bottom bar 11, so that the resistance of the trolley frame in the folding and unfolding processes can be reduced; the stability of the cart in the unfolded state is maintained by adding a locking mechanism, and a guide sleeve 1221 is added through the second stay 122 or a slide is provided on the bottom bar 11 to form a sliding fit.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A trolley of a slide folding type comprises a trolley frame with an unfolding and folding state, and is characterized in that the trolley frame comprises two side frames which are oppositely arranged and a connecting piece arranged between the two side frames, and each side frame comprises:

the push handle rod is in rotating fit with the top of the second support rod;

2. A slide and fold cart as recited in claim 1, wherein said first brace has a bottom portion pivotally engaged with said base bar at a location proximate a rear end of said base bar.

3. A slide and fold cart as recited in claim 1, wherein said bottom portion of said second support bar is slidably engaged with said bottom bar by:

4. A slide and fold cart as recited in claim 3, wherein said top portion of said chute is open to permit the bottom portion of said second support bar to be disengaged from said bottom bar.

5. A slide and fold cart as recited in claim 1, wherein a front side of said seat bar is pivotally engaged with a top portion of said first brace, and a rear side of said seat bar is pivotally engaged with a middle portion of said handle bar biased toward a bottom position.

6. A slide and fold cart as recited in claim 1, wherein said handle bar, said first support bar and said second support bar are folded toward said base bar in a folded position, wherein a top portion of said first support bar is adjacent a front end of said base bar, a top portion of said second support bar is adjacent a rear end of said base bar, a bottom portion of said second support bar is slidably adjacent a front end of said base bar, and said handle bar is folded toward said front end of said base bar.

7. A trolley according to claim 1 of the sliding and folding type, characterised in that the frame is further provided with a locking mechanism for maintaining the unfolded state, said locking mechanism acting in at least one of the following positions:

the bottom rod and the first support rod;

between the first and second struts.

8. A slide and fold cart as recited in claim 1, wherein a bearing member is disposed between said seat bars of said side frames, said bearing member being at least one of:

the bearing piece is a seat pocket;

the bearing piece is a fourth connecting rod;

9. A slide and fold cart as recited in claim 1, wherein said connector comprises:

10. A slide folding cart as claimed in claim 9 wherein said first connector is a base plate and said base plate is integral with said bottom bar of said side frames.