CN220465527U - Barrows with wheels - Google Patents

Abstract

The utility model discloses a trolley, which relates to the field of article transportation and comprises a lower frame body, a support and an upper frame body, wherein the support is connected with the upper end of the lower frame body in a rotating manner along the vertical direction, the upper frame body comprises a connecting piece, and the upper frame body is detachably connected with the support through the connecting piece. The handcart comprises an upper frame body and a lower frame body, wherein the upper frame body and the lower frame body can be used for placing articles, a sufficient storage space is provided for the handcart, the upper frame body is detachably connected with the first connecting rod through a connecting piece, and the bracket is rotationally connected with the lower frame body, so that the handcart can be folded, and a user can take down the upper frame body when folding, for example, the upper frame body is placed in the lower frame body, so that the space occupied by the handcart is reduced; and then the upper end of the bracket is rotated to a direction approaching the first frame body, so that the trolley is in a folded state. Therefore, by adopting the scheme, the folding process of the handcart is simple, the handcart is convenient to store and carry, and the carrying and accommodating amount is large.

Description

Barrows with wheels

Technical Field

The utility model relates to the field of article transportation, in particular to a trolley.

Background

The use of handcart in daily life, the work operation is very common already, and the efficiency of transport is correlated with the volume of holding of handcart, in order to increase the volume of holding, improves the volume of holding through the volume of increase handcart among the related art, but bulky handcart carries inconveniently, stores and needs to occupy great space, and economic benefits is relatively poor.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the handcart which can provide a large-capacity storage space and occupies a small space when not in use.

The trolley according to the embodiment of the utility model comprises:

a lower frame;

the lower end of the bracket is rotationally connected with the upper end of the lower frame body;

the upper frame body comprises a connecting piece, and the upper frame body is detachably connected with the bracket through the connecting piece;

the handcart has expansion state and folding state, when the handcart is in expansion state, the support sets up along upper and lower direction, go up the framework with leg joint and with lower framework interval sets up, when the handcart is in folding state, go up the framework and be located in the lower framework, the upper end of support rotates to being close to the position of lower framework.

The trolley provided by the embodiment of the utility model has at least the following beneficial effects:

the handcart comprises an upper frame body and a lower frame body, wherein the upper frame body and the lower frame body can be used for placing articles, a sufficient storage space is provided for the handcart, the upper frame body is detachably connected with the first connecting rod through a connecting piece, and the bracket is rotationally connected with the lower frame body, so that the handcart can be folded, and a user can take down the upper frame body when folding, for example, the upper frame body is placed in the lower frame body, so that the space occupied by the handcart is reduced; and then the upper end of the bracket is rotated to a direction approaching the first frame body, so that the trolley is in a folded state. Therefore, by adopting the scheme, the folding process of the handcart is simple, the handcart is convenient to store and carry, and the carrying and accommodating amount is large.

According to some embodiments of the utility model, the cart further comprises a set of feet connected to the lower frame and located at a lower end of the lower frame.

According to some embodiments of the utility model, the caster group includes a universal wheel and a directional wheel, the universal wheel is located at a side of the lower frame body away from the support, the directional wheel is located at a lower end of the side of the lower frame body close to the support, and the universal wheel and the directional wheel are detachably connected with the lower frame body.

According to some embodiments of the utility model, the cart further comprises a second connecting rod connected to the lower end of the lower frame, and the orientation wheel comprises a hub fixedly connected to the assembly and an assembly detachably connected to the second connecting rod.

According to some embodiments of the utility model, the second connecting rod is provided with a limit groove, the assembly body comprises an assembly sleeve, an assembly cover, a spring and a clamping rod, the assembly cover is provided with a second groove, the assembly sleeve is provided with a first groove, the assembly cover is inserted into the assembly sleeve, the spring is abutted between the assembly cover and the assembly sleeve, and the clamping rod is arranged in the first groove and the second groove in a penetrating manner;

the assembly body is provided with a first state and a second state, and when the assembly body is in the first state, the clamping rod is clamped with the limiting groove so as to limit the orientation wheel to be separated from the second connecting rod; when the assembly is in the second state, the clamping rod and the limiting groove are separated, so that the orientation wheel can be detached from the second connecting rod.

According to some embodiments of the utility model, the trolley further comprises a limiting assembly, the limiting assembly comprises a limiting part and two first limiting rods, one ends of the two first limiting rods are respectively hinged to the bracket and the lower frame body, and the other ends of the two first limiting rods are hinged to the limiting part.

According to some embodiments of the utility model, the limiting part comprises a limiting piece and two connecting pieces arranged at intervals, the limiting piece is connected between the two connecting pieces, a avoiding groove for avoiding the first limiting rod is formed between the limiting piece and the two connecting pieces, the two connecting pieces are rotatably connected to the first limiting rod, and the limiting piece is positioned above the first limiting rod.

According to some embodiments of the utility model, the connector has a hook portion, and the bracket includes a first connecting rod extending in a left-right direction, and the hook portion is connected to the first connecting rod.

According to some embodiments of the utility model, the trolley further comprises a second limiting rod, the second limiting rod is connected to the bracket and extends along the left-right direction, two connecting pieces are provided, the second limiting rod is bent towards the direction close to the upper frame body to form a limiting section, and the limiting section is abutted with the two connecting pieces to limit the displacement of the upper frame body along the left-right direction.

According to some embodiments of the utility model, the support comprises a push-pull rod and two vertical rods, wherein the two vertical rods are arranged at intervals along the left-right direction, and two ends of the push-pull rod are respectively connected with the two vertical rods and are positioned at the upper ends of the two vertical rods.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a cart in an expanded configuration in accordance with an embodiment of the present utility model;

FIG. 2 is a schematic view of a cart with an upper frame removed according to an embodiment of the utility model;

FIG. 3 is a schematic view of a cart in a collapsed configuration according to an embodiment of the utility model;

FIG. 4 is a schematic view of a spacing assembly of a cart in accordance with an embodiment of the utility model;

FIG. 5 is another angular schematic view of the cart of FIG. 1;

FIG. 6 is an enlarged schematic view at A in FIG. 5;

FIG. 7 is an exploded view of the caster set of the cart in accordance with one embodiment of the present utility model;

FIG. 8 is an enlarged schematic view at B in FIG. 7;

FIG. 9 is a schematic diagram of the assembled structure of a cart according to an embodiment of the utility model;

FIG. 10 is a schematic exploded view of the assembly of the cart according to one embodiment of the utility model;

FIG. 11 is a schematic view of a cart according to an embodiment of the utility model with a clamp bar moving along a second recess;

fig. 12 is an internal schematic view of an assembly of a cart in accordance with an embodiment of the utility model.

Reference numerals:

a cart 1000;

a lower frame 100;

an upper frame 200; a connector 210;

a bracket 300; a first connecting rod 310; a vertical rod 320; a push-pull rod 330; a second stop lever 700; a limit section 710; a support 800;

a spacing assembly 400; a first stop lever 410; a stopper 420; a connecting piece 421; the avoidance groove 423; a limit piece 422;

a hub 510; a fitting body 520; a directional wheel 530; a universal wheel 540; a mounting rod 541; mounting holes 542; assembling a set 524; a catch lever 523; a first groove 525; fitting the cover 521; a second recess 522; a spring 526;

a second connecting rod 600; a limit groove 610; a connection base 900; and a connection groove 910.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, in an embodiment of the present utility model, a cart 1000 includes: a lower frame 100, a bracket 300, and an upper frame 200; the lower end of the bracket 300 is rotatably connected with the upper end of the lower frame 100; the upper frame 200 includes a connection member 210, and the upper frame 200 is detachably connected with the bracket 300 through the connection member 210;

wherein, the cart 1000 has an unfolded state and a folded state, referring to fig. 1, when the cart 1000 is in the unfolded state, the stand 300 is disposed along the up-down direction, the upper frame 200 is connected with the stand 300 and is disposed at intervals with the lower frame 100, the upper frame 200 and the lower frame 100 provide sufficient storage space, and the carrying efficiency is improved. The lower frame 100 may further be provided with a support 800, and the support 800 may be a bar set or a mesh plate for supporting the lower frame 100. Referring to fig. 2 and 3, when the cart 1000 is in a folded state, the upper frame 200 is positioned in the lower frame 100, and the upper end of the bracket 300 is rotated to a position close to the lower frame 100. When the handcart 1000 is in a folded state, the handcart occupies a small space and is convenient to carry and store.

The rotational connection between the bracket 300 and the lower frame 100 may be hinge connection or bolt connection, as shown in fig. 7, the cart 1000 includes a connection seat 900, the connection seat 900 is provided with a connection groove 910, the lower end of the bracket 300 is inserted into the connection groove 910, the hinge or bolt passes through the bracket 300 and the connection seat 900 to connect the connection seat 900 with the bracket 300, the bracket 300 swings in the connection groove 910 along a fixed direction within a preset angle range, and a limit block may be disposed at one side of the connection seat 900 far from the universal wheel 540, so that the swing range of the bracket 300 is further limited, so that when the bracket 300 is in the up-down direction, the upper end of the bracket 300 can only swing in a direction close to the lower frame 100. The handcart 1000 is in the unfolded state, and the connecting seat 900 limits the bracket 300, so that the handcart can be kept stable in the use process, and can swing according to a preset direction when being folded, thereby being convenient to fold.

Referring to fig. 1, in the embodiment of the present utility model, the cart 1000 further includes a caster set, which is connected to the lower frame 100 and is located at a lower end of the lower frame 100. The function of the foot wheel group is to make the handcart 1000 easy to move, and the efficiency of transportation is improved while laborsaving. The caster group includes a caster 540 and a directional wheel 530, the caster 540 is located at a side of the lower frame 100 away from the stand 300, and the directional wheel 530 is located at a lower end of a side of the lower frame 100 close to the stand 300. The stand 300 further includes a push-pull rod 330 for facilitating movement of the cart 1000 by a user. As shown in fig. 1, the orientation wheels 530 are located on the side of the frame 300, which allows the operator to operate smoothly, either pushing or pulling the cart 1000, while the universal wheels 540 are located on the side of the frame 300, which ensures that the cart 1000 can be steered. The structure can improve the efficiency of cargo transportation and is simple and convenient to operate. The universal wheel 540 and the directional wheel 530 may be equal or different, as shown in fig. 1, the casters far from the push-pull rod 330 are large, the casters near the push-pull rod 330 are responsible for steering, the casters have small friction, and the directional wheel 530 needs a certain friction to drive the trolley 1000 with small speed influence, so the directional wheel 530 is larger than the universal wheel 540. The orientation wheel 530 and the universal wheel 540 are both detachably connected to the lower frame 100. Referring to fig. 3, the universal wheel 540 includes a mounting hole 542, and the lower housing 100 includes a mounting rod 541, and the mounting rod 541 is inserted into the mounting hole 542 to connect the universal wheel 540 and the lower housing 100. When the universal wheel 540 is to be removed, the mounting rod 541 and the mounting hole 542 are separated.

Referring to fig. 7, in the embodiment of the present utility model, the cart 1000 further includes a second connection rod 600, the second connection rod 600 is connected to the lower end of the lower frame 100, the fixed universal wheel 540 includes a hub 510 and an assembly 520, the hub 510 is fixedly connected to the assembly 520, and the assembly 520 is detachably connected to the second connection rod 600. The larger orientation wheels 530 can be removed together when folded, and the space occupied by the cart 1000 in the folded state is further reduced by placing the cart in the lower frame 100, and meanwhile, the cart 1000 in the folded state cannot be easily moved due to the removal of the casters on one side, so that the cart is convenient to store and carry.

Referring to fig. 9, 10 and 12, in the embodiment of the present utility model, the assembly body 520 includes an assembly sleeve 524, an assembly cover 521, a spring 526 and a clip lever 523, the assembly cover 521 is provided with a second groove 522, the assembly sleeve 524 is provided with a first groove 525, the assembly cover 521 is inserted into the assembly sleeve 524, the spring 526 is abutted between the assembly cover 521 and the assembly sleeve 524, and the clip lever 523 is inserted into the first groove 525 and the second groove 522; referring to fig. 8, the second connecting rod 600 is provided with a limit groove 610;

the assembly 520 has a first state and a second state, and when the assembly 520 is in the first state, the blocking lever 523 is blocked with the limiting groove 610 to limit the orientation wheel 530 to be separated from the second connecting rod 600; when the assembly 520 is in the second state, the catch 523 and the limit groove 610 are separated so that the orientation wheel 530 is detachable from the second connection rod 600. The number of the lock pins 523 may be one or two, and for convenience of explanation, the following description will take two lock pins 523 as an example.

The spring 526 is abutted against the assembly cover 521 and the assembly sleeve 524, and thrust is provided to the assembly cover 521 and the assembly sleeve 524, respectively, so that the spring 526 is in the first state, the locking lever 523 is locked with the limit groove 610, and the orientation wheel 530 is limited to be disengaged from the second connecting rod 600 when the assembly body 520 is not subjected to external force. The assembly body 520 is applied with external force to push the assembly cover 521 to move towards the inner direction of the assembly sleeve 524, the clamping rod 523 moves along the first groove 525 and the second groove 522, the position of the clamping rod 523 moving along the second groove 522 changes as shown in fig. 11, and the relative distance between the clamping rods 523 is from near to far, so that the clamping rods are far away from the limit groove 610, the assembly body 520 is in the second state, and the clamping connection between the clamping rod 523 and the limit groove 610 is not performed any more. So that the orientation wheel 530 can be detached from the second link 600. The structure is simple and reliable, the caster is convenient to detach, and the structure is not limited to be used for casters, and can be applied to other structures needing to be detached, such as desk legs, heat preservation cup covers and the like.

Referring to fig. 4, in the embodiment of the present utility model, the cart 1000 further includes a limiting assembly 400, the limiting assembly 400 includes a limiting portion 420 and two first limiting rods 410, one ends of the two first limiting rods 410 are respectively hinged to the bracket 300 and the lower frame 100, and the other ends of the two first limiting rods 410 are hinged to the limiting portion 420. The number of the limiting members 400 may be one or more, and in the case where the cart 1000 includes two limiting members 400, the two limiting members 400 are disposed at intervals in the left-right direction, and are connected to the two uprights 320 and the lower frame 100, respectively. For convenience of explanation, the following will be described by taking one example.

Referring to fig. 1 and 3, in the embodiment of the present utility model, when the cart 1000 is in the unfolded state, for example, the state shown in fig. 1, the included angle between the upper edges of the two first stop levers 410 is less than 180 °. When the bracket 300 and the lower frame 100 are rotated in the direction approaching each other by the external force, the upper edges of the two first stop levers 410 are abutted against the stop portions 420, so as to limit the first bracket 300 and the second bracket 300 to continue rotating, so that the trolley 1000 can be kept in the unfolded state, and the stability of the stop assembly 400 is improved.

When the handcart 1000 needs to be folded, for example, as shown in fig. 3, an external force can be applied to the limiting part 420 to drive the two first limiting rods 410 to rotate, so that an included angle between the upper edges of the two first limiting rods 410 is larger than 180 degrees; then, an external force is applied to the support 300, the upper end of the support 300 rotates in a direction approaching the lower frame 100, and when approaching the lower frame 100, the trolley 1000 is in a folded state, so that the trolley is convenient to store or carry.

When the cart 1000 needs to be changed from the folded state to the unfolded state, referring to fig. 3, fig. 2, and then, the included angle between the upper edges of the two first stop levers 410 may be smaller than 180 °.

Referring to fig. 4, the limiting part 420 includes a limiting piece 422 and two connecting pieces 421 disposed at intervals, the limiting piece 422 is connected between the two connecting pieces 421, a recess 423 for avoiding the first limiting rod 410 is formed between the limiting piece 422 and the two connecting pieces 421, the two connecting pieces 421 are rotatably connected to the first limiting rod 410, and the limiting piece 422 is located above the first limiting rod 410. When the cart 1000 is in the unfolded state, the upper edges of the two stopper rods can abut against the stopper pieces 422, thereby restricting the upper end of the bracket 300 from rotating in a direction toward the lower frame 100.

Referring to fig. 5, in the embodiment of the utility model, the connector 210 has a hook portion, the bracket 300 includes a first connecting rod 310, the first connecting rod 310 extends along a left-right direction, and the hook portion is connected to the first connecting rod 310. The structure is simple and reliable, and convenient to detach. The hook portion can also hook the lower frame 100 when the upper frame 200 is placed on the lower frame 100, so as to reduce displacement collision of the upper frame 200 in the lower frame 100.

Referring to fig. 6, in the embodiment of the utility model, the cart 1000 further includes a second limiting bar 700, the second limiting bar 700 is connected to the bracket 300 and extends along the left-right direction, two connecting members 210 are provided, the second limiting bar 700 is bent towards the direction approaching the upper frame 200 to form a limiting section 710, and the limiting section 710 abuts against the two connecting members 210 to limit the displacement of the upper frame 200 along the left-right direction. The stability in use is enhanced by a simple structure, and the user experience is good.

Referring to fig. 1, in the embodiment of the present utility model, the bracket 300 includes a push-pull rod 330 and two uprights 320, the two uprights 320 are disposed at intervals along the left-right direction, and two ends of the push-pull rod 330 are respectively connected to the two uprights 320 and are located at the upper ends of the two uprights 320. The push-pull rod 330 is simple and reliable in structure, convenient for a user to control the handcart 1000, light in overall weight and convenient to carry and store. When the cart 1000 is in the folded state, the upper end of the bracket 300 is rotated to a position close to the lower frame 100, and the upright 320 is abutted against the lower frame 100.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. Handcart, its characterized in that includes:

a lower frame;

the lower end of the bracket is rotationally connected with the upper end of the lower frame body;

the upper frame body comprises a connecting piece, and the upper frame body is detachably connected with the bracket through the connecting piece;

the handcart has expansion state and folding state, when the handcart is in expansion state, the support sets up along upper and lower direction, go up the framework with leg joint and with lower framework interval sets up, when the handcart is in folding state, go up the framework and be located in the lower framework, the upper end of support rotates to being close to the position of lower framework.

2. The cart of claim 1, further comprising a set of feet coupled to the lower frame and positioned at a lower end of the lower frame.

3. The cart of claim 2, wherein the caster wheel assembly includes a universal wheel and an orientation wheel, the universal wheel being located on a side of the lower frame remote from the support, the orientation wheel being located at a lower end of a side of the lower frame proximate to the support, the universal wheel and the orientation wheel both being removably connected to the lower frame.

4. A trolley according to claim 3, further comprising a second connecting rod connected to the lower end of the lower frame, the orientation wheel comprising a hub fixedly connected to the assembly and an assembly detachably connected to the second connecting rod.

5. The trolley according to claim 4, wherein the second connecting rod is provided with a limit groove, the assembly body comprises an assembly sleeve, an assembly cover, a spring and a clamping rod, the assembly cover is provided with a second groove, the assembly sleeve is provided with a first groove, the assembly cover is inserted into the assembly sleeve, the spring is abutted between the assembly cover and the assembly sleeve, and the clamping rod is arranged in the first groove and the second groove in a penetrating manner;

the assembly body is provided with a first state and a second state, and when the assembly body is in the first state, the clamping rod is clamped with the limiting groove so as to limit the orientation wheel to be separated from the second connecting rod; when the assembly is in the second state, the clamping rod and the limiting groove are separated, so that the orientation wheel can be detached from the second connecting rod.

6. The cart of claim 1, further comprising a stop assembly, the stop assembly comprising a stop portion and two first stop bars, one ends of the two first stop bars being hinged to the support and the lower frame, respectively, and the other ends of the two first stop bars being hinged to the stop portion.

7. The cart of claim 6, wherein the limiting portion includes a limiting piece and two connecting pieces arranged at intervals, the limiting piece is connected between the two connecting pieces, a avoiding groove for avoiding the first limiting rod is formed between the limiting piece and the two connecting pieces, the two connecting pieces are rotatably connected to the first limiting rod, and the limiting piece is located above the first limiting rod.

8. The cart of claim 1, wherein the connector has a hook portion, the bracket includes a first connecting rod extending in a left-right direction, and the hook portion is connected to the first connecting rod.

9. The cart of claim 8, further comprising a second stop lever connected to the bracket and extending in a left-right direction, wherein the two connecting members are provided, the second stop lever is bent in a direction approaching the upper frame to form a stop section, and the stop section abuts against the two connecting members to limit the displacement of the upper frame in the left-right direction.

10. The trolley according to claim 1, wherein the support comprises a push-pull rod and two upright rods, the two upright rods are arranged at intervals along the left-right direction, and two ends of the push-pull rod are respectively connected with the two upright rods and are positioned at the upper ends of the two upright rods.