CN217672790U - Cart - Google Patents

Abstract

The utility model discloses a cart, including frame and the holding pocket of setting on the frame, every side collateral branch frame of the left and right sides all includes separately along front branch, back branch, side lever and the push rod that upper and lower direction extends at least on the frame, every group collateral branch frame still includes the fixing base, is used for the connecting seat of fixed mounting holding pocket to and the pull rod, wherein, the fixing base sets up on the side lever fixedly, and the connecting seat is connected on the fixing base with rotating, and the pull rod is connected with rotating between connecting seat and back support lever. When folding this shallow, need not dismantle the holding pocket from the frame, the frame can take the holding pocket to fold together for the member on holding pocket and the frame draws in together, also can not disturb the operation of folding up of frame self simultaneously, and folding back shallow is whole very compact level and smooth, has avoided folding operation's loaded down with trivial details, and need separately accomodate and deposit a series of problems that holding pocket and frame and brought.

Description

Shallow

Technical Field

The utility model relates to a cart.

Background

The trolley brings great convenience for daily travel of people, and if the trolley is used for carrying infants and carrying pets out, and is used for shopping outside and the like, the burden of people is greatly relieved. Some current shallow include the frame and set up the holding pocket that is used for bearing infant or pet or putting article on the frame, when folding the shallow, often need pull down earlier this holding pocket from the frame, place the holding pocket together or separately deposit after folding the frame again, thus, cause folding operation inconvenience on the one hand, occupation space is great after also folding, on the other hand, when needing to use again, still need to reinstall the holding pocket to the frame, cause the use inconvenient and cause easily losing of holding pocket.

Disclosure of Invention

The utility model aims at providing a can take holding pocket folding shallow.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a shallow, has expansion state and fold condition, the shallow includes the frame, sets up anterior front wheel subassembly at the bottom of the frame, sets up and is in rear wheel subassembly at rear portion at the bottom of the frame, and sets up just have accommodation pocket of accommodation space on the frame, the frame is including dividing two sets of collateral branch framves of locating the left and right sides, every group the collateral branch frame all includes respectively along front branch, back branch, side lever and the push rod of upper and lower direction extension separately at least, wherein, the front wheel subassembly is located the bottom of front branch, the rear wheel subassembly is located the bottom of back branch, the upper portion of front branch, the upper portion of back branch and both of these three in the lower part of side lever connect with the upper portion of side lever is connected with the rotation, every group the collateral branch frame still includes the fixing base, is used for fixed mounting the connecting seat of accommodation pocket, and pull rod, wherein, the fixing base sets up fixedly on the side lever connect the connecting seat is connected with the connecting seat rotates between the back branch.

Preferably, in the process of converting the stroller from the unfolded state to the folded state, the front support rod, the rear support rod, the side rods and the push rod are folded in each other along the front-rear direction, and the accommodating pocket rotates relative to the fixing seat along with the connecting seat and is folded between the push rod and the side rods.

Preferably, the holding pocket has two sets of frame surrounding rods respectively arranged at the left side and the right side, a mounting seat is fixedly arranged on each frame surrounding rod, and the mounting seat at the same side in the left-right direction of the cart is detachably connected with the connecting seat.

Preferably, the stroller is in a spreading state, the pull rod is located at the rear side of the side rod, and the connecting seat at least partially extends out of the rear side of the side rod and is rotatably connected with the pull rod; in the process that the cart is converted from the unfolding state to the folding state, the connecting seat overturns towards the front side of the side rods, so that the accommodating pocket is always positioned on the front side of the side rods.

In some embodiments, the fixing seat has a fixing portion fixedly sleeved on the side rod, and a protruding portion protruding and extending upward from the fixing portion and toward the front side of the side rod, and the connecting seat is rotatably connected to the protruding portion.

In some embodiments, the receiving pocket and the two sets of the connecting seats on the left and right sides are located between the two sets of the protruding portions in the left-right direction, and the pull rod is located on the inner sides of the side rods and the rear support rod in the left-right direction.

Preferably, the lower part of the side bar and the lower part of the rear support bar are relatively rotatably connected around a first rotation center line, one end part of the pull rod is rotatably connected to the rear support bar around a second rotation center line, and the second rotation center line is located below the first rotation center line in the length extending direction of the rear support bar.

Preferably, the accommodating pocket is provided with two groups of frame enclosing rods which are respectively arranged at the left side and the right side, and the frame enclosing rods extend along the front-back direction when the cart is in an unfolded state; when the cart is in a folded state, the frame enclosing rods extend in the up-down direction and are approximately parallel to the rear support rods.

Preferably, the side bracket of each side further includes a stay, a first link, and a second link, the cart is in a deployed state, the stay extends in an up-down direction, the first link and the second link both extend in a front-rear direction, a front portion of the first link is rotatably connected to the front strut, a rear portion of the first link is rotatably connected to a front portion of the second link, a rear portion of the second link is rotatably connected to the rear strut, the stay and the rear strut intersect each other and are rotatably connected at the intersection, an upper portion of the stay is rotatably connected to a lower portion of the push rod, and the lower portion of the stay can both relatively rotate and relatively slidably connected to the second link.

In some embodiments, the lower portion of the side poles, the upper portion of the rear pole and the upper portion of the front pole are mutually rotationally connected together about the first rotational centerline; and/or, the push rod includes the pole main part that extends along upper and lower direction, and set firmly in the connection end of pole main part lower part, the lower part of pole main part with the upper portion of side lever is connected with rotating, the lower part of connecting the end with the upper portion of vaulting pole is connected with rotating, the shallow is in under the state of expanding, preceding branch pole the side lever reaches the pole main part extends along same length direction from front to back, the vaulting pole with it extends along same length direction to connect the end.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: will the utility model discloses a when the shallow is folded, need not dismantle the holding pocket from the frame, the frame can take the holding pocket to fold together for member on holding pocket and the frame draws in together, also can not disturb the operation of folding up of frame self simultaneously, and folding back shallow whole very compactness is leveled, has avoided folding operation loaded down with trivial details, and need separately accomodate and deposit a series of problems that holding pocket and frame and brought.

Drawings

Fig. 1 is a schematic perspective view of a cart according to an embodiment of the present invention in an unfolded state;

FIG. 2 is a side view schematic of the cart of FIG. 1;

FIG. 3 is a side view of the frame of the stroller of FIG. 1;

FIG. 4 is a schematic side view of the receiving pocket of the cart of FIG. 1;

FIG. 5 is a schematic side view of the cart of FIG. 1 during folding;

FIG. 6 is a side view of the cart of FIG. 1 in a collapsed configuration;

wherein: 100. a frame; 200. an accommodating pocket; 201. a frame enclosing rod; 202. a mounting base; 203. disassembling the button; 1. a front support rod; 2. a rear support rod; 3. a side lever; 4. a push rod; 4a, a lever body; 4b, connecting end heads; 5. a fixed seat; 5a, a fixed part; 5b, a projection; 6. a connecting seat; 7. a pull rod; 8. a stay bar; 9. a first link; 10. a slider; 11. a second link; 20. a front wheel assembly; 30. a rear wheel assembly.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

The following descriptions of the front, rear, left, right, and up and down orientations are defined with reference to the orientation that a traveler would see when pushing the cart in the deployed state, and are merely for convenience of clearly describing the relative positional relationship of the lever members in the cart.

Referring to fig. 1 to 6, a stroller having an unfolded state and a folded state includes a frame 100, a receiving pocket 200 provided on the frame 100 and having a receiving space, a front wheel assembly 20 provided at a bottom front portion of the frame 100, and a rear wheel assembly 30 provided at a bottom rear portion of the frame 100. The frame 100 includes two side brackets respectively disposed at left and right sides, and the receiving pocket 200 is disposed between the two side brackets in the left and right directions.

Each side bracket at least comprises a front supporting rod 1, a rear supporting rod 2, a side rod 3 and a push rod 4 which respectively extend along the up-down direction, wherein a front wheel assembly 20 is arranged at the bottom of the front supporting rod 1, a rear wheel assembly 30 is arranged at the bottom of the rear supporting rod 2, two of the upper part of the front supporting rod 1, the upper part of the rear supporting rod 2 and the lower part of the side rod 3 are rotationally connected, and the third one is rotationally connected to one of the two, or the upper part of the front supporting rod 1, the upper part of the rear supporting rod 2 and the lower part of the side rod 3 are rotationally connected together around the same rotation center line; the lower part of the push rod 4 is rotatably connected to the upper part of the side bar 3. Each group of side brackets further comprises a fixed seat 5, a connecting seat 6 for fixedly installing the accommodating pocket 200 and a pull rod 7, wherein the fixed seat 5 is fixedly arranged on the side rod 3, the connecting seat 6 is rotationally connected on the fixed seat 5, and the pull rod 7 is rotationally connected between the connecting seat 6 and the rear support rod 2.

So, in the in-process that the shallow was converted to fold condition by the expansion state, preceding support bar 1, back support bar 2, side lever 3 and push rod 4 rotate relatively and draw in the in-process along the fore-and-aft direction gradually, back support bar 2, pull rod 7, connecting seat 6 and fixing base 5, connection structure between the side lever 3 makes connecting seat 6 can rotate relatively fixing base 5, thereby make the holding pocket 200 of fixed mounting on connecting seat 6 also rotate along with connecting seat 6 is synchronous, thereby draw in between side lever 3 and push rod 4, and then draw in together with frame 100, realize the synchronous folding of the pocket of shallow.

Specifically, referring to the drawings, the receiving pocket 200 has two sets of frame bars 201 respectively disposed at left and right sides, and cross bars are disposed between front portions and rear portions of the two sets of frame bars 201, so that the two sets of frame bars 201 and the front and rear cross bars are circumferentially enclosed to form a closed frame. The surrounding frame rod 201 on each side is fixedly provided with a mounting seat 202, and the mounting seats 202 on the same side in the left-right direction of the cart are connected with the connecting seat 6 in a matched manner.

In this embodiment, the mounting seat 202 and the connecting seat 6 are detachably connected. Here, referring to fig. 4, the mounting seat 202 is disposed at a position substantially in the middle of the extension direction of the length of the frame rail 201, is detachably connected with the connecting seat 6 in a plug-fit manner, and is relatively locked by a locking structure disposed between the connecting seat 6 and the mounting seat 202. The mounting seat 202 is further provided with a detaching button 203 for releasing the connection between the mounting seat 202 and the connecting seat 6 by operating the detaching button 203 when the receiving pocket 200 needs to be detached from the frame 100. Of course, in some other embodiments, the mounting seat 202 and the connecting seat 6 are fixed and non-detachable structures, or the mounting seat 202 and the connecting seat 6 are integral parts fixed to each other.

Referring to the drawings, when the stroller is in the unfolded state, the pull rod 7 is located at the rear side of the side rod 3, the connecting seat 6 at least partially extends out of the rear side of the side rod 3 and is rotatably connected with the pull rod 7, and in the process of converting the stroller from the unfolded state to the folded state, the connecting seat 6 is turned over towards the front side of the side rod 3, so that the accommodating pocket 200 is always located at the front side of the side rod 3, and the problem that the stroller frame 100 is not compact enough after being folded due to interference and influence caused by mutual folding of other rod pieces on the stroller frame 100 is avoided. Here, the fixing base 5 has a fixing portion 5a fixedly fitted over the side lever 3, and a projecting portion 6b projecting and extending upward from the fixing portion 5a toward the front side of the side lever 3, and the connecting base 6 is rotatably connected to the projecting portion 6b about a rotation center line d which is always located at the front side of the side lever 3. The receiving pocket 200 and the two sets of connecting seats 6 on the left and right sides are located between the two sets of protrusions 6b in the left and right directions, and the pull rod 7 is also located inside the side rods 3 and the rear support rod 2 in the left and right directions.

In this embodiment, the lower portion of the side bar 3, the upper portion of the rear bar 2, and the upper portion of the front bar 1 are connected together to rotate around the first rotation center line a, one end portion of the tie rod 7 is connected to the rear bar 2 to rotate around the second rotation center line b, and the other end portion of the tie rod 7 is connected to the connecting base 6 to rotate around the rotation center line c, wherein the second rotation center line b is located below the first rotation center line a in the length extending direction of the rear bar 2, and the rotation center line c is located on the rear side of the side bar 3 in the unfolded state of the stroller.

In this embodiment, the side frame of each side further includes a supporting rod 8, a first connecting rod 9 and a second connecting rod 11, wherein when the cart is in the unfolded state, the supporting rod 8 extends along the up-down direction, the first connecting rod 9 and the second connecting rod 11 both extend along the front-back direction, the front part of the first connecting rod 9 is rotatably connected to the front supporting rod 1 and is located below the first rotation center line a, the rear part of the first connecting rod 9 is rotatably connected to the front part of the second connecting rod 11, the rear part of the second connecting rod 11 is rotatably connected to the rear supporting rod 2 and is located below the second rotation center line b, the supporting rod 8 is rotatably connected to the rear supporting rod 2, and the position where the supporting rod 8 is rotatably connected to the rear supporting rod 2 is located below the second rotation center line b and is located above the position where the second connecting rod 11 is rotatably connected to the rear supporting rod 2; the upper part of the stay 8 is rotatably connected with the lower part of the push rod 4, and the lower part of the stay 8 is connected to the second link 11 in a manner capable of rotating and sliding relatively.

Here, in particular, the lower part of the stay 8 is rotatably connected with a sliding part 10, here, the sliding part 10 is in particular a sliding sleeve, and the sliding part 10 is slidably sleeved on the second connecting rod 11. The push rod 4 has a rod body 4a extending in the up-down direction, and a connecting end 4b fixedly provided at a lower portion of the rod body 4a, the connecting end 4b being located at a rear side of the lower portion of the rod body 4a, the lower portion of the rod body 4a being rotatably connected to an upper portion of the side rod 3, and the lower portion of the connecting end 4b being rotatably connected to an upper portion of the stay 8.

In this embodiment, the lower portions of the front support rods 1 at both sides are curved inward in the left-right direction in an arc shape and are fixedly connected to each other, the front wheel assemblies 20 are only arranged as one group, the rear support rods 2 at both sides are parallel to each other, and the lower portion of each group of rear support rods 2 is provided with a group of rear wheel assemblies 30.

Thus, referring to fig. 1 to 3, in the unfolded state of the stroller, the respective rod members in the frame 100 are unfolded with respect to each other, and on each of the left and right sides of the stroller, the front stay 1, the side bars 3, and the rod main bodies 4a of the push rods 4 extend in substantially the same longitudinal direction; the first connecting rod 9 and the second connecting rod 11 extend along the same length direction and are supported between the front supporting rod 1 and the rear supporting rod 2 along the front-rear direction, and the connecting end 4b of the supporting rod 8 and the push rod 4 extends along the same length direction and is supported between the rod main body 4a and the second connecting rod 11, so that the overall appearance of the frame 100 is very simple, and meanwhile, the frame has good bearing capacity. The receiving pocket 200 is fixedly installed on the coupling seat 6 and fixed with respect to the frame 100, wherein the rail 201 extends in the front-rear direction.

When the stroller needs to be folded, the accommodating pocket 200 does not need to be taken down, and after a user only needs to unlock the locking mechanism on the stroller frame 100, as shown in fig. 5, a downward force is applied to the push rod 4, the push rod 4 and the side rod 3 rotate relatively, and the front support rod 1, the rear support rod 2, the side rod 3, the support rod 8, the first connecting rod 9 and the second connecting rod 11 on the stroller frame 100 are linked to rotate mutually, so that the stroller frame 100 is gradually folded, in the process of folding the stroller frame 100, the pull rod 7 rotates relatively to the rear support rod 2, and the connecting seat 6 is driven to rotate relatively to the fixed seat 5 towards the front side of the side rod 3, so that the accommodating pocket 200 is linked to rotate synchronously towards the front side of the side rod 3, and the accommodating pocket 200 is gradually folded between the side rod 3 and the push rod 4.

The folded stroller is shown in fig. 6, wherein the front wheel assemblies 20 and the rear wheel assemblies 30 are folded in the front-rear direction, the front wheel assemblies 20 are folded between the two sets of rear wheel assemblies 30, the stroller can stand on the ground by means of the front wheel assemblies 20 and the two sets of rear wheel assemblies 30, the rear support rods 2 are substantially in a vertically extending state, the front support rods 1 are folded in the front sides of the rear support rods 2, the side rods 3, the support rods 8, the accommodating pockets 200 and the push rods 4 are all folded in the rear sides of the rear support rods 2, and the enclosure rods 201 extend in the vertical direction and are substantially parallel to the rear support rods 2. The folding shallow is whole very compact level and smooth, need not take off holding pocket 200 and carries out the folding of frame 100 again, has avoided folding operation's loaded down with trivial details to and need separately accomodate and deposit a series of problems that holding pocket 200 and frame 100 brought.

In conclusion, the trolley has a simple structure, is convenient to fold and operate, can be widely used as a pet trolley, a child trolley, a shopping trolley and the like, and brings convenience to daily life of people.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a shallow, has expansion state and fold condition, the shallow includes the frame, sets up anterior front wheel subassembly at the bottom of the frame, set up and be in rear wheel subassembly at rear portion at the bottom of the frame, and set up just have the holding pocket of accommodation space on the frame, the frame is including dividing two sets of collateral branch framves of locating the left and right sides, its characterized in that: each group of the side brackets at least comprises a front supporting rod, a rear supporting rod, a side rod and a push rod which respectively extend along the up-down direction, wherein the front wheel assembly is arranged at the bottom of the front supporting rod, the rear wheel assembly is arranged at the bottom of the rear supporting rod, two of the upper part of the front supporting rod, the upper part of the rear supporting rod and the lower part of the side rod are rotationally connected, and the third part is rotationally connected to one of the front supporting rod and the rear supporting rod, or the upper part of the front supporting rod, the upper part of the rear supporting rod and the lower part of the side rod are rotationally connected around the same rotation central line, the lower part of the push rod is rotationally connected with the upper part of the side rod, each group of the side brackets further comprises a fixed seat, a connecting seat for fixedly installing the pocket, and a pull rod, wherein the fixed seat is fixedly arranged on the side rod, the connecting seat is rotationally connected on the fixed seat, and the pull rod is rotationally connected between the connecting seat and the rear supporting rod.

2. The cart of claim 1, wherein: in the process of converting the cart from the unfolding state to the folding state, the front supporting rod, the rear supporting rod, the side rods and the push rod are mutually folded along the front-back direction, and the accommodating pocket rotates relative to the fixing seat along with the connecting seat and is folded between the push rod and the side rods.

3. The cart of claim 1, wherein: the holding pocket has two sets of surrounding frame poles that divide to locate the left and right sides, and every side all set firmly the mount pad on the surrounding frame pole, the shallow is right and left to be gone up with one side the mount pad with detachably connects between the connecting seat.

4. The cart of claim 1, wherein: when the cart is in an unfolded state, the pull rod is positioned at the rear side of the side rod, and at least part of the connecting seat extends out of the rear side of the side rod and is rotationally connected with the pull rod; in the process that the cart is converted from the unfolding state to the folding state, the connecting seat overturns towards the front side of the side rods, so that the accommodating pocket is always positioned on the front side of the side rods.

5. The cart of claim 4, wherein: the fixing seat is provided with a fixing part fixedly sleeved on the side rod and a protruding part protruding and extending from the fixing part upwards and towards the front side of the side rod, and the connecting seat is rotatably connected to the protruding part.

6. The cart of claim 5, wherein: the accommodating pocket and the two groups of the connecting seats on the left side and the right side are located between the two groups of the protruding parts along the left-right direction, and the pull rod is located on the inner sides of the side rods and the rear supporting rod along the left-right direction.

7. The cart of claim 1, wherein: the lower parts of the side rods and the lower part of the rear support rod are connected in a relative rotation mode around a first rotation center line, one end part of the pull rod is connected on the rear support rod in a rotation mode around a second rotation center line, and the second rotation center line is located below the first rotation center line in the length extending direction of the rear support rod.

8. The cart of claim 1, wherein: the accommodating bag is provided with two groups of frame enclosing rods which are respectively arranged on the left side and the right side, and the frame enclosing rods extend along the front-back direction when the cart is in an unfolded state; when the cart is in a folded state, the frame enclosing rods extend in the up-down direction and are approximately parallel to the rear support rods.

9. The cart of any of claims 1 to 8, wherein: the side support of each side still includes vaulting pole, first connecting rod and second connecting rod, the shallow is in under the development condition, the vaulting pole extends along upper and lower direction, first connecting rod with the second connecting rod all extends along fore-and-aft direction, the front portion of first connecting rod is connected with on the front branch with rotating, the rear portion of first connecting rod with the front portion of second connecting rod is connected with rotating, the rear portion of second connecting rod is connected with on the back branch with rotating, the vaulting pole with back branch intercrossing just is connected with rotating at the intersection, the upper portion of vaulting pole with the lower part of push rod is connected with rotating, the lower part of vaulting pole can enough rotate relatively and connect on the second connecting rod with relatively sliding.

10. The cart of claim 9, wherein: the lower parts of the side rods, the upper parts of the rear supporting rods and the upper parts of the front supporting rods are mutually and rotatably connected together around the first rotation center line; and/or, the push rod includes the pole main part that extends along upper and lower direction, and set firmly in the connection end of pole main part lower part, the lower part of pole main part with the upper portion of side lever is connected with rotating, the lower part of connecting the end with the upper portion of vaulting pole is connected with rotating, the shallow is in under the state of expanding, preceding branch pole the side lever reaches the pole main part extends along same length direction from front to back, the vaulting pole with it extends along same length direction to connect the end.

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