CN220721080U - Pull rod car - Google Patents

Abstract

The utility model relates to the field of articles for daily use, in particular to a trolley. The key points of the technical scheme are as follows: the support assembly comprises a sliding part and a stop lever, wherein the sliding part is slidably arranged on the pull rod; the baffle ring is connected with the sliding part, and the baffle ring is inside to encircle the holding chamber that forms the goods and put into to the week side to the goods is strutted, and this application has the effect of conveniently fixing article on the pull rod car, promotes the convenience of use of pull rod car.

Description

Pull rod car

Technical Field

The application relates to the field of articles for daily use, in particular to a trolley.

Background

The trolley is an article for daily use with extremely high utilization rate in daily life, and has the structures of wheels, pull rods and the like, so that the trolley is convenient to drag and use during walking, and physical strength and time are saved.

At present, the pull rod in the related art mainly comprises a pull rod, a base and casters, wherein two sides below the support base are respectively connected with a support column, the casters are arranged at the other ends of the two support columns, the upper part of the support base is connected with the pull rod, a body of the pull rod trolley is formed, and in addition, the elastic ropes assist in bundling goods.

Aiming at the related technology, the elastic rope mainly plays a role in preventing articles from falling off in daily use, and the articles are bound and fixed on the trolley in a binding manner in a specific use process; however, the binding process is time-consuming and laborious, even multiple attempts are required to achieve the ideal binding state, and finally the end part of the elastic rope is required to be pulled through the hook body and firmly buckled on the trolley, so that the trolley is convenient to use and has a larger lifting space.

Disclosure of Invention

In order to conveniently fix articles on the trolley, use convenience of the trolley is improved, and the trolley is provided.

The utility model provides a trolley adopts following technical scheme:

the trolley comprises a pull rod, a base and casters arranged on the pull rod, and a supporting assembly, wherein the supporting assembly comprises a sliding part and a stop lever, and the sliding part is slidably arranged on the pull rod in an adjusting manner; the baffle ring is connected with the sliding part, and the baffle ring is internally and circumferentially provided with a containing cavity for placing goods, so as to support the periphery of the goods.

By adopting the scheme: this application is when using, place article on the base, put down the baffle ring, with the baffle ring again adjust can fixed article's suitable position on can, and among the current prior art, still need tie up with the elastic cord, tie up the angle that the process still needs many times adjustment to tie up, in order to reach the effect of fixing article on the pull rod car, still need to take up the hook body on the elastic cord at last and detain on the pull rod, compare with prior art, this application has saved time and physical power, the use convenience of pull rod car has been greatly improved.

Preferably, the sliding component comprises a hasp and a sliding block, the hasp is rotatably connected to the sliding block, and the hasp is abutted against the pull rod.

By adopting the scheme: the locking and unlocking actions can be realized through shifting the hasp, the operation is simple, the position can be quickly adjusted under the sliding guide of the sliding block, and the fixing of the support component is more convenient through the mutual matching of the sliding block and the hasp.

Preferably, the hasp is provided with an unlocking surface and a locking surface which are adjacent to each other, the unlocking surface is in transition with the locking surface through a round angle, and at least two states are included, and in the first state, the hasp is attached to the pull rod through the locking surface so as to lock the sliding block; in the second state, the unlocking surface is released from the pull rod so as to unlock the sliding block.

By adopting the scheme: in the process of turning the hasp, the unlocking surface or the locking surface can face the pull rod, in the process, locking and unlocking actions are realized, the process is convenient and quick, and meanwhile, under the condition of transition of the round corners, the conversion between the unlocking surface and the locking surface is easier and easier during use.

Preferably, the retainer ring is rotatably coupled to the slide member.

By adopting the scheme: the baffle ring is rotatably connected, and when in use, the baffle ring is put down, and when not in use, the baffle ring can be lifted, and the use method is simple and convenient, and meanwhile, the baffle ring is favorable for storage, and the space is saved.

Preferably, the pull rod comprises a supporting part and a telescopic part, and the telescopic part is movably sleeved at the supporting part.

By adopting the scheme: when in use, the length of the pull rod can be adjusted according to the requirement, and the use feeling of the pull rod car is improved.

Preferably, the base is rotatably connected to the tie rod.

By adopting the scheme: the base is rotatably connected to the pull rod, and when in use, the base is put down, and when not in use, the base is retracted, so that the pull rod trolley is convenient to store.

Preferably, the base is rotatably connected with a support leg, one end of the support leg is connected to the bottom of the base, and the other end of the support leg is used for being in contact with the ground.

By adopting the scheme: the support legs prop up the trolley, and when the trolley is not dragged, the trolley can be vertically erected on the ground, so that the use convenience of the trolley is improved.

Preferably, the four-bar linkage comprises a connecting rod, wherein one end of the connecting rod is rotationally connected with the supporting leg, the other end of the connecting rod is rotationally connected with the pull rod, and the connecting rod, the supporting leg, the pull rod and the base form a closed-loop four-bar linkage structure.

By adopting the scheme: the base is turned upwards in the process of rotating and folding the base, at the moment, the support legs and the pull rods are rotated upwards together with the base, but the pull rods are fixed in length, and the support legs are pulled towards the base to be folded simultaneously in the rotating process, namely, under the action of the connecting rods, the support and the base can be synchronously folded, and the synchronous opening can be realized in the same way in the opening process, so that the storage of the pull rod trolley is facilitated.

Preferably, the box body is arranged at the base, and the peripheral outline of the box body is matched with the outline of the baffle ring.

By adopting the scheme: the box body can be matched with the trolley for use and is used for loading small pieces and scattered articles, so that the practicability of the trolley is improved.

Preferably, the supporting components are multiple groups, and the supporting components are arranged at intervals along the length direction of the pull rod.

By adopting the scheme: when the multi-point support device is used, the distance between the groups of support components can be adjusted according to different heights of the articles, and meanwhile, a multi-point support effect is provided, so that a better support effect is achieved on the articles.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the trolley is used, an object is placed on the base, the baffle ring is put down, and then the baffle ring is adjusted to a proper position capable of fixing the object, in the prior art, the object is bound by the elastic rope, the binding angle is required to be adjusted for a plurality of times in the binding process so as to achieve the effect of fixing the object on the trolley, and finally the hook body on the elastic rope is required to be fastened on the trolley, so that compared with the prior art, the trolley saves time and physical strength, and greatly improves the use convenience of the trolley;

2. the locking and unlocking actions can be realized by rotating the hasp, and the operation proposal is that the position can be quickly adjusted under the sliding guide of the sliding block, and the fixing of the support component is more convenient by the mutual matching of the sliding block and the hasp;

3. in the process of rotating the hasp, the unlocking surface or the locking surface can face the pull rod, in the process, locking and unlocking actions are realized, the process is convenient and quick, and meanwhile, under the condition of transition of the round corners, the first conversion between the unlocking surface and the locking surface is easier and easier when the hasp is used.

Drawings

Fig. 1 is a schematic structural view of a trolley according to a preferred embodiment of the present application.

Fig. 2 is a schematic structural view of a pull rod car according to a preferred embodiment of the present utility model when the pull rod is extended.

Fig. 3 is a schematic view of the bottom of the trolley in a preferred embodiment of the present application.

Fig. 4 is a schematic structural view of a support assembly according to a preferred embodiment of the present application.

FIG. 5 is a schematic view of the structure of the buckle in a preferred embodiment of the present application.

Reference numerals illustrate:

1. a pull rod; 11. a support part; 111. a transverse support bar; 112. a first support bar; 113. a second support bar; 12. a telescopic part; 121. a grip portion; 122. a slide bar;

2. a support frame; 21. a hinge base;

3. a support leg; 31. a connector; 311. a clamping groove; 32. a foot rest; 321. an anti-slip pad;

4. a connecting rod;

5. casters;

6. a support assembly; 61. a sliding member; 611. a slide block; 6111. a limit bump; 612. a hasp; 6121. unlocking surface; 6122. a locking surface; 62. a baffle ring;

7. a base;

8. a box body.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a trolley.

Referring to fig. 1 and 2, the trolley comprises a trolley 1, a base 7, casters 5 and a support assembly 6; wherein the pull rod 1 provides an assembling position for each component, plays a role in supporting each component, and the base 7, the castor 5 and the supporting component 6 are respectively arranged on the pull rod 1.

The pull rod 1 in this embodiment is a telescopic pull rod 1, and includes a supporting portion 11 and a telescopic portion 12, where the telescopic portion 12 is movably sleeved at the supporting portion 11, and at this time, the telescopic portion 12 can be telescopically adjusted compared with the supporting portion 11, and by changing the extension length, a good holding height is ensured; specifically, the supporting portion 11 includes a transverse supporting rod 111, a first supporting rod 112 and a second supporting rod 113, where the first supporting rod 112 and the second supporting rod 113 are disposed along a longitudinal direction and are parallel to each other; in addition, the bottom of the first supporting rod 112 is fixedly connected with a supporting frame 2; in addition, a supporting frame 2 is fixedly connected to the bottom of the second supporting rod 113; the transverse supporting rod 111 is positioned between the first supporting rod 112 and the second supporting rod 113, and two ends of the transverse supporting rod 111 are fixedly connected with the first supporting rod 112 and the second supporting rod 113 respectively; at this time, the supporting portion 11 forms a crisscross frame structure, and has good supporting strength on the premise of satisfying the lightweight structure.

Correspondingly, the telescopic part 12 comprises a rod-shaped holding part 121 and sliding rods 122 which are respectively arranged at two ends of the holding part 121 and are parallel to each other, wherein the first supporting rod 112 and the second supporting rod 113 are internally and centrally controlled, square holes are formed in the end openings and used for respectively allowing the two sliding rods 122 to be correspondingly inserted so as to realize mutual sliding fit, and at the moment, the sliding rods 122 can be pulled through the hand holding part 121, so that telescopic adjustment of the telescopic part 12 is realized.

Further, a locking member may be further disposed on the supporting portion 11 to lock the extending length of the telescopic portion 12, so as to improve convenience of the structure, and the locking member may be specifically selected from a locking member such as a snap lock, a latch lock, and the like, and the structure thereof will not be described herein. Meanwhile, in other structures, the pull rod 1 can be replaced by a plate-shaped frame structure instead of a rod-shaped frame structure in the application, even a structure for adjusting the whole length of the pull rod 1 is realized by folding or assembling and the like, and the pulling effect can be realized by replacing the structure, so that the assembly of all parts can be realized, the specific structure of the pull rod 1 is not limited, and the pull rod 1 capable of realizing telescopic adjustment is all included in the protection range of the pull rod 1 in the application.

Referring to fig. 2 and 3, casters 5 are installed at the two support frames 2, and two casters 5 are installed at the two support frames 2, respectively, in this embodiment, two casters are selected as an example; the support frame 2 is square structure in this example, and its wall thickness is greater than the wall thickness of first bracing piece 112 and second bracing piece 113, and here, truckle 5 carries out the atress association through support frame 2 with first bracing piece 112 and with second bracing piece 113 respectively, and support frame 2 plays good bearing action, and whole atress is more reasonable.

With continued reference to fig. 3, the base 7 is also rotatably mounted on the support frame 2, specifically, a hinge seat 21 is provided on one side of the support frame 2, a limiting surface is provided at the bottom of the hinge seat 21, and the hinge seat 21 is integrally connected with the support frame 2, so as to have better structural strength; the base 7 is hinged to the hinging seat 21 through a pin shaft, at the moment, the base 7 can be turned upwards and folded through the pin shaft, when the device is used, the base 7 can be put down, the base 7 is abutted to the limiting surface at the moment, the hinging seat 21 limits and supports the opening angle of the base 7, and weights can be placed on the base 7; when not in use, the base 7 can be folded, and the device is convenient to use and convenient to store.

With continued reference to fig. 3, during actual use, the trolley may be affected by the center of gravity shift during standing, so as to generate toppling; based on the above, the base 7 is rotatably connected with the support legs 3, one end of each support leg 3 is connected to the bottom of the base 7, and the other end is used for contacting with the ground; the support legs 3 are positioned at the bottom of one side of the base 7 away from the hinge seat 21; the support leg 3 specifically comprises a connector 31 and a foot rest 32, the outline of the connector 31 is L-shaped, and one end of the connector 31 is hinged with the base 7; meanwhile, the other end of the connector 31 is hinged with the foot rest 32; at this time, the foot rest 32 can be folded compared with the base 7 through the connector 31; and the side, close to the connector 31, is provided with a clamping groove 311, when the foot rest 32 is opened compared with the base 7, the bottom of the base 7 can be movably clamped in the clamping groove 311 so as to limit the opening angle of the foot rest 32 and realize support; at the moment, after the supporting legs 3 are opened, one side of the base 7 can be supported by the supporting legs 3, the base 7 can be horizontally placed by matching with the casters 5, and the trolley is not easy to fall down when standing; meanwhile, the foot rest 32 is also provided with a plurality of anti-slip pads 321 so as to increase friction between the foot rest 32 and the ground and avoid the condition that the trolley falls down due to slipping of the foot rest 32.

With reference to fig. 3, further, in order to facilitate folding and storage of the whole structure, the railing car further includes a connecting rod 4, one end of the connecting rod 4 is also connected to the connector 31 in a hinged manner, and it should be noted that the hinged positions of the connecting rod 4 and the connector 31 and the positions of the base 7 and the hinged joints should be staggered; in addition, the other end of the connecting rod 4 is hinged with the lower end of the supporting frame 2; at this time, connecting rod 4, stabilizer blade 3, pull rod 1 and base 7 form the four connecting rod 4 structures of closed loop, at the in-process of folding to the base 7 rotation, base 7 upwards overturns, at this moment, stabilizer blade 3 and connecting rod 4 rotate with base 7 together, but connecting rod 4 is because of its length is fixed, pull stabilizer blade 3 folding towards base 7 simultaneously at the in-process of rotation, promptly, under the effect of connecting rod 4, but make support and base 7 synchronous folding, the same reason, the process of opening also can realize synchronous opening, the folding of pull rod car accomodate has been made things convenient for.

Referring to fig. 3 and 4, after the trolley can be stably placed, the goods can be generally placed on the base 7 directly, and when the goods cannot be supported in the circumferential direction, a tilting phenomenon may occur, based on which the goods are supported by the support assembly 6 for the circumferential Xiang Zhi protection; specifically, the support assembly 6 includes a sliding member 61 and a retainer ring 62.

Referring to fig. 4 and 5, the sliding member 61 is slidably and adjustably disposed on the supporting portion 11 of the pull rod 1, specifically, the sliding member 61 includes a buckle 612 and a slider 611, the slider 611 has a through hole penetrating through both ends, and the slider 611 is movably sleeved on the supporting portion 11 along the length direction of the supporting portion 11 through the through hole; specifically, two sliding blocks 611 are provided, and are respectively installed at the first supporting rod 112 and the second supporting rod 113, the sliding blocks 611 and the buckles 612 are provided with round holes for inserting pin shafts, and the buckles 612 are rotatably installed on the sliding blocks 611 through the round holes by the pin shafts; meanwhile, the hasp 612 is provided with an unlocking surface 6121 and a locking surface 6122 which are adjacent, the unlocking surface 6121 and the locking surface 6122 are connected through a fillet transition, in the process of turning the hasp 612, at least two states exist, in the first state, the hasp 612 is turned downwards, the locking surface 6122 faces the pull rod 1 and is abutted against the pull rod 1 through the arc transition for connecting the locking surface 6122 and the unlocking surface 6121, and the state of locking the slider 611 is achieved; in the second state, the hasp 612 is rotated upwards, through the arc transition of connecting the locking surface 6122 and the unlocking surface 6121, the locking surface 6122 is separated from the pull rod 1, and the unlocking surface 6121 is released from the pull rod 1, so that the state of unlocking the sliding block 611 is achieved, the locking and unlocking actions can be realized through the rotation of the hasp 612, the operation is simple, and meanwhile, under the condition of transition of a round angle, the first conversion between the unlocking surface 6121 and the locking surface 6122 is easier and easier during use.

Meanwhile, in other structures of the sliding member 61, the structure of the cooperation between the hasp 612 and the slider 611 in the present application may be replaced by the structure of a sliding rail, a latch lock, and the like, which can also play a role in adjusting the position and locking, and the specific structure of the sliding member 61 is not limited, so that the sliding member 61 capable of sliding and locking should be included in the protection scope of the pull rod 1 in the present application.

In addition, in this embodiment, the structure of the baffle ring 62 is a semi-surrounding rod-shaped structure, one side of the baffle ring is provided with an opening, a round hole is arranged at the opening, a round protrusion matched with the round hole is arranged at the outer side of the sliding block 611, and the baffle ring 62 is rotatably installed on the round protrusion through the round hole, so that the baffle ring 62 is put down and lifted up; the lower end of the sliding block 611 is also provided with a limit bump 6111, when in use, the baffle ring 62 is put down, the baffle ring 62 is clamped on the limit bump 6111, the limit bump 6111 prevents the baffle ring 62 from continuously rotating downwards, so that the baffle ring 62 is kept parallel to the ground when put down, a better supporting effect is achieved, and the baffle ring 62 can be lifted up when not in use, and is convenient to store.

Meanwhile, in other structures, the retaining ring 62 may not adopt a semi-surrounding rod-shaped structure in the application, may also be replaced by a belt-shaped structure, and may also play a role in supporting, and the specific structure of the retaining ring 62 is not limited herein, so that the retaining ring 62 capable of achieving the supporting effect should be included in the protection scope of the pull rod 1 in the application.

Referring back to fig. 2, a box 8 is placed at the base, and the peripheral outline of the box 8 is matched with the outline of the baffle ring 62, so that the box 8 can be loaded with scattered and trivial articles in daily use, thereby improving the practicability of the trolley.

The implementation principle of the trolley is as follows: when the pull rod trolley is used, an object is placed on the base, the baffle ring 62 is put down, the baffle ring 62 is adjusted to a proper position capable of fixing the object, the hasp 612 is rotated, the sliding block 611 is locked, time and physical strength are saved, and the use convenience of the pull rod trolley is greatly improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a trolley, includes pull rod (1), and base (7) and truckle (5) on pull rod (1), its characterized in that: the support assembly (6) comprises a sliding part (61) and is slidably and adjustably arranged on the pull rod (1);

and the baffle ring (62) is connected with the sliding part (61), and a containing cavity for placing goods is formed inside the baffle ring (62) in a surrounding mode so as to support the peripheral side of the goods.

2. A trolley according to claim 1, wherein: the sliding component (61) comprises a buckle (612) and a sliding block (611), the buckle (612) is rotatably connected to the sliding block (611), and the buckle (612) abuts against the pull rod (1).

3. A trolley according to claim 2, wherein: the hasp (612) is provided with an adjacent unlocking surface (6121) and a locking surface (6122), the unlocking surface (6121) is in transition with the locking surface (6122) through a round angle, the hasp at least comprises two states, and in the first state, the hasp (612) is attached to the pull rod (1) through the locking surface (6122) so as to lock the sliding block (611); in the second state, the unlocking surface (6121) is released from the pull rod (1) so as to unlock the sliding block (611).

4. A trolley according to claim 1, wherein: the baffle ring (62) is rotatably connected to the sliding member (61).

5. A trolley according to claim 1, wherein: the pull rod (1) comprises a supporting part (11) and a telescopic part (12), and the telescopic part (12) is movably sleeved on the supporting part (11).

6. A trolley according to claim 1, wherein: the base (7) is rotatably connected to the pull rod (1).

7. A trolley as claimed in claim 6, wherein: the base (7) is rotationally connected with the supporting legs (3), one ends of the supporting legs (3) are connected to the bottom of the base (7), and the other ends of the supporting legs are used for being in contact with the ground.

8. A trolley as claimed in claim 7, wherein: the novel four-bar linkage mechanism is characterized by further comprising a connecting rod (4), wherein one end of the connecting rod (4) is rotationally connected with the supporting leg (3), the other end of the connecting rod (4) is rotationally connected with the pull rod (1), and the connecting rod (4), the supporting leg (3), the pull rod (1) and the base (7) form a closed-loop four-bar linkage structure.

9. A trolley as claimed in claim 7, wherein: the novel anti-theft box further comprises a box body (8), wherein the box body (8) is arranged at the base (7), and the peripheral outline of the box body (8) is matched with the outline of the baffle ring (62).

10. A trolley according to claim 1, wherein: the support components (6) are multiple groups, and a plurality of support components (6) are arranged at intervals along the length direction of the pull rod (1).