CN114852139A

CN114852139A - Energy memory's folding pull rod car

Info

Publication number: CN114852139A
Application number: CN202210354064.6A
Authority: CN
Inventors: 叶宝儿; 张清芳; 张宇凯; 陈英
Original assignee: Fujian Times Nebula Technology Co Ltd
Current assignee: Fujian Times Nebula Technology Co Ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-05
Anticipated expiration: 2042-04-06
Also published as: CN114852139B; WO2023193299A1

Abstract

The invention discloses a folding pull rod vehicle of an energy storage device, which comprises a bottom plate, a fixed arm, an upright rod and wheels, wherein a front bottom plate and a rear bottom plate in the bottom plate are rotatably connected, so that the bottom plate can be folded. The fixing seat in the fixing arm is rotatably connected with the foldable left arm and the foldable right arm, so that the fixing arm can be folded according to the rotating connection position. Therefore, the energy storage device is fixed by the aid of the hard connection mode, operation is convenient and fast, the trolley can be folded fast when the trolley is not used, and storage space is saved.

Description

Energy memory's folding pull rod car

Technical Field

The invention relates to the field of pull rod vehicles, in particular to a folding pull rod vehicle of an energy storage device.

Background

Along with the popularization of outdoor sports, a plurality of outdoor portable energy storage devices appear in the market, and the pull rod vehicle matched with the portable energy storage devices can reduce the carrying strength of a user for carrying the energy storage devices outdoors.

Currently, the trolley for portable energy storage devices on the market generally adopts the following two schemes:

1. fixing the portable energy storage device on the trolley by adopting a soft elastic rope;

2. the portable energy storage device is characterized in that nuts are preset on the appearance of the portable energy storage device, bolts are arranged on the trolley, and the portable energy storage device is fixed on the trolley in a mode that the bolts are matched with the nuts.

The disadvantages of the above scheme 1 are:

1. the appearance effect of the soft elastic rope is poor, the operation process is complicated, and the energy storage device can not be tightly fixed when everyone operates;

2. due to the characteristics of the soft elastic rope, the soft elastic rope becomes loose after the trolley is used for a long time, so that the fixation is ineffective;

3. when the folding storage is carried out, the soft elastic rope is inconvenient to operate.

The disadvantages of the above scheme 2 are:

1. the portable energy storage device is provided with the nut in advance on the appearance, so that the appearance of the product is not attractive enough;

2. if multidirectional fixing is adopted and nuts are required to be preset in multiple directions, the speed for operating the trolley is poor;

3. the trolley is difficult to fold when not in use.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the folding pull rod trolley with the energy storage device can improve operation convenience and save storage space.

In order to solve the technical problems, the invention adopts the technical scheme that:

a folding pull rod vehicle of an energy storage device comprises a bottom plate, a fixed arm, a vertical rod and wheels;

the bottom plate comprises a front bottom plate and a rear bottom plate, the front bottom plate is rotatably connected with the rear bottom plate, and two sides of the rear bottom plate are respectively rotatably connected with the wheels;

the fixing arm comprises a fixing seat, a foldable left arm, a foldable right arm and a lock catch, one end of the fixing seat is rotatably connected with the foldable left arm, the other end of the fixing seat is rotatably connected with the foldable right arm, and the foldable left arm is connected with the foldable right arm through the lock catch;

the bottom plate and the fixing arm are connected with the vertical rod.

The invention has the beneficial effects that: the folding pull rod vehicle of the energy storage device comprises a bottom plate, a fixed arm, a vertical rod and wheels, wherein a front bottom plate and a rear bottom plate in the bottom plate are rotatably connected, so that the bottom plate can be folded. The fixed seat in the fixed arm is rotationally connected with the foldable left arm and the foldable right arm, so that the fixed arm can be folded according to the rotational connection position; the bolt on the front bottom plate can slide left and right to be matched with the pin hole of the rear bottom plate, so that the front bottom plate cannot automatically turn upwards when placed in a horizontal state, and a locking effect is achieved; in addition, the distance between the left vertical rod and the right vertical rod is larger, so that connecting wires on the energy storage device can be avoided, and compared with the conventional vertical rod distance, the connecting wires can be avoided, and the energy storage device can be directly used on the pull rod vehicle conveniently. Therefore, the energy storage device is fixed by the aid of the hard connection mode, operation is convenient and fast, the trolley can be folded fast when the trolley is not used, and storage space is saved.

Drawings

Fig. 1 is an expanded schematic view of a folding trolley of an energy storage device according to an embodiment of the invention;

FIG. 2 is a schematic view of a floor of a folding trolley for storing energy according to an embodiment of the present invention;

FIG. 3 is a schematic view of a floor of a folding trolley for storing energy according to an embodiment of the present invention;

FIG. 4 is a schematic illustration of a floor of a folding trolley for storing energy in accordance with an embodiment of the present invention;

FIG. 5 is a schematic illustration of a latch of a foldable trolley with an energy storage device according to an embodiment of the present invention;

fig. 6 is a schematic view of a first fixed arm of a folding trolley for storing energy according to an embodiment of the present invention;

FIG. 7 is a schematic view of a soft pad in a first fixed arm of a foldable trolley with an energy storage device according to an embodiment of the present invention;

fig. 8 is a schematic diagram of a latch of a foldable trolley with an energy storage device according to an embodiment of the invention;

fig. 9 is a schematic view of a first fixed arm of a folding trolley for storing energy according to an embodiment of the present invention;

fig. 10 is a schematic folding view of a folding trolley with an energy storage device according to an embodiment of the invention;

FIG. 11 is a rear end view of a folded trolley energy storage device in combination with an energy storage device product according to an embodiment of the present invention;

description of reference numerals:

1. a front chassis; 2. a rear floor; 3. a first fixed arm; 4. a second fixed arm; 5. erecting a rod; 6. a transverse bar; 7. a wheel; 11. supporting legs; 12. a hinge; 13. a soft cushion; 14. a bolt; 141. a plug pin housing; 15. a wheel shaft; 16. a latch slot; 21. a projection; 22. a pin hole; 31. a right forearm; 311. a protrusion; 32. a second hinge on the right side; 33. a right first hinge; 34. a fixed seat; 35. a second hinge on the left side; 36. a first hinge on the left side; 37. a left forearm; 38. locking; 39. a soft cushion; 51. a left upright stanchion; 52. and a right vertical rod.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1, an embodiment of the present invention provides a foldable trolley with an energy storage device, including a base plate, a fixed arm, an upright rod, and wheels;

the bottom plate and the fixing arm are connected with the vertical rod.

From the above description, the beneficial effects of the present invention are: the folding pull rod vehicle of the energy storage device comprises a bottom plate, a fixed arm, a vertical rod and wheels, wherein a front bottom plate and a rear bottom plate in the bottom plate are rotatably connected, so that the bottom plate can be folded. The fixing seat in the fixing arm is rotatably connected with the foldable left arm and the foldable right arm, so that the fixing arm can be folded according to the rotating connection position. Therefore, the energy storage device is fixed by the aid of the hard connection mode, operation is convenient and fast, the trolley can be folded fast when the trolley is not used, and storage space is saved.

Further, the foldable left arm comprises a left first hinge, a left second hinge and a left front arm which are connected in sequence in a rotating manner;

the foldable right arm comprises a right first hinge, a right second hinge and a right forearm which are connected in sequence in a rotating mode.

As can be seen from the above description, the foldable left and right arms can improve the flexibility of opening and closing and folding the fixed arm by rotating the connected components in turn.

Further, the right side forearm is kept away from the one end of right side second hinge is equipped with a arch, the left side forearm is kept away from the one end of left side second hinge be equipped with protruding matched with hole, the hasp sets up protruding with the surface in hole is used for realizing the left side forearm with the opening and shutting of right side forearm.

It can be known from the above description that the protrusion is provided on the right forearm to match with the hole on the left forearm, so as to prevent the fixing arm from bending after being buckled and folded by the buckle.

Further, the left first hinge and the left second hinge are rotated to fold inwards, so that the left first hinge and the left second hinge are folded oppositely, and the left front arm is close to the fixed seat;

the first hinge on the right side and the second hinge on the right side are rotated and folded inwards, so that the first hinge on the right side and the second hinge on the right side are oppositely folded, and the front arm on the right side is close to the fixed seat.

According to the above description, the storage space is further saved by the overlapping of the first left hinge and the second left hinge and the overlapping of the first right hinge and the second right hinge.

Furthermore, the number of the fixed arms is two, and the fixed arms comprise a first fixed arm and a second fixed arm;

the second fixed arm is located above the first fixed arm, and the first fixed arm and the second fixed arm avoid the connecting line of the fixed energy storage device.

According to the above description, the first fixing arm and the second fixing arm are arranged to avoid the connecting line of the fixed energy storage device, so that the connecting line of the energy storage device can be assembled on the pull rod vehicle, and the energy storage device can be directly used on the pull rod vehicle conveniently.

Further, the distance between the first fixing arm and the rear bottom plate is larger than the length of the front bottom plate.

As can be seen from the above description, the distance between the first fixing arm and the rear bottom plate is greater than the length of the front bottom plate, so as to facilitate folding the front bottom plate.

Further, the front bottom plate is rotatably hinged to the rear bottom plate by a hinge, and the front bottom plate is rotated upward by 90 ° along the hinge.

As can be seen from the above description, the front bottom plate is rotatably hinged to the rear bottom plate by a hinge, so that the front bottom plate is rotated upward by 90 ° along the central axis of the hinge, thereby facilitating the folding of the front bottom plate.

Furthermore, the front end of the rear bottom plate is provided with two convex parts, and the bottom surface of the front bottom plate is provided with two concave parts; when the front bottom plate and the rear bottom plate are rotated to be flush, the convex part is positioned in the concave part.

As can be seen from the above description, when the front bottom plate and the rear bottom plate rotate to be flush, the protruding portion of the rear bottom plate is located in the recessed portion of the front bottom plate, and can play a role of locking.

Furthermore, two protruding parts of the rear bottom plate are respectively provided with a pin hole, the middle of the front bottom plate is provided with two pin grooves, the two pin grooves are internally and uniformly clamped with pins, and the two pins are respectively connected with the two pin holes in a sliding manner.

According to the above description, the bolt on the front bottom plate can slide left and right to be matched with the pin hole of the rear bottom plate, so that the front bottom plate cannot be automatically turned upwards when placed in a horizontal state, and the locking effect is achieved.

Furthermore, the front end of the bolt is sleeved with a bolt shell.

As can be seen from the above description, by inserting the plug housing in the front end of the plug, the reliability of the locking function can be further ensured.

Further, one or more supporting feet are arranged at the bottom of the front bottom plate.

As can be seen from the above description, the bottom of the front bottom plate is provided with one or more supporting feet, which can improve the support of the front bottom plate.

Furthermore, the bottom plate, the fixed arm and the contact surface of the fixed energy storage device are provided with a preset number of soft pads.

As can be seen from the above description, the soft pad is disposed on the contact surface between the base plate and the fixing arm and the energy storage device to be fixed, so that the energy storage device can be placed on the base plate and fixed by using the fixing arm without abrasion caused by contact between hard materials.

Further, the pole setting includes left pole setting and right pole setting, the top of left pole setting is connected with the one end of transverse bar, the top of right pole setting is connected with the other end of transverse bar.

Further, the distance between the left vertical rod and the right vertical rod is 350-355 mm.

According to the above description, the distance between the left vertical rod and the right vertical rod is relatively large, so that the connecting wire on the energy storage device can be avoided, the connecting wire can be avoided compared with the conventional vertical rod distance, and the energy storage device can be directly used on the pull rod vehicle conveniently.

The folding trolley with the energy storage device is suitable for reducing the carrying strength of a user carrying the energy storage device outdoors and reducing the storage space of the trolley, and the following description is given by specific embodiments:

example one

Referring to fig. 1, a folding trolley with an energy storage device comprises a bottom plate, a fixed arm, a vertical rod and wheels 7.

The bottom plate comprises a front bottom plate 1 and a rear bottom plate 2, and the front bottom plate 1 is rotatably connected with the rear bottom plate 2. Specifically, the trolley is provided with a front bottom plate 1 and a rear bottom plate 2 after being unfolded, please refer to fig. 2, two rows of four support legs 11 are arranged at the front and the rear of the bottom of the front bottom plate 1, so as to improve the support performance of the front bottom plate 1; referring to fig. 3, the inner side walls of the front base plate 1 and the rear base plate 2 are provided with a plurality of soft pads 13, preferably 6 soft pads, so that when the split portable energy storage device to be fixed is placed on the base plate, abrasion caused by hard contact can be avoided. Referring to fig. 4, the left and right sides of the rear floor 2 are rotatably connected to wheels 7 through wheel axles 15, and the wheels 7 may be large single wheels or three-wheel combination wheels.

Referring to fig. 2 and 10, the front bottom plate 1 and the rear bottom plate 2 are rotatably hinged by a hinge 12, so that the front bottom plate 1 can be folded by rotating 90 ° upward around a central axis of the hinge 12.

Further, referring to fig. 4, the rear base plate 2 has a protrusion 21, and the bottom of the front base plate 1 has a corresponding recess. In use, the front base plate 1 is rotated and unfolded around the hinge 12, so that the protrusion 21 just falls into the recess of the front base plate 1, thereby ensuring that the front base plate 1 and the rear base plate 2 are flush and are on the same plane.

The fixed arm includes fixing base 34, collapsible left arm, collapsible right arm and hasp 38, the one end and the collapsible left arm swivelling joint of fixing base 34, the other end and the collapsible right arm swivelling joint of fixing base 34, collapsible left arm with collapsible right arm passes through hasp 38 is connected.

Wherein, the quantity of fixed arm is two, is first fixed arm 3 and second fixed arm 4 respectively, and second fixed arm 4 sets up in the top of first fixed arm 3, and the distance between first fixed arm 3 and the second fixed arm 4 is decided by the connecting wire position of the energy memory who fixes, and the interval between first fixed arm 3 and back bottom plate 2 is higher than the length of preceding bottom plate 1.

The bottom plate and the fixing arm are connected with the vertical rod 5.

Example two

The difference between the embodiment and the first embodiment is that the foldable left arm comprises a left first hinge 36, a left second hinge 35 and a left front arm 37 which are connected in sequence in a rotating manner; the foldable right arm comprises a right first hinge 33, a right second hinge 32 and a right front arm 31 which are connected in turn in a rotating manner.

Specifically, the first fixing arm 3 and the second fixing arm 4 are similar in structure, and the first fixing arm 3 is described as follows:

referring to fig. 6, the first fixing arm 3 has a fixing base 34, the fixing base 34 is fixed to the vertical rod 5, the left and right sides of the fixing base 34 are respectively rotatably connected with a left first hinge 36 and a right first hinge 33, the left first hinge 36 is rotatably connected with a left second hinge 35, the right first hinge 33 is connected with a right second hinge 32, the left second hinge 35 is rotatably connected with a left forearm 37, and the right second hinge 32 is rotatably connected with a right forearm 31.

Left forearm 37 and right forearm 31 are provided with latch 38, and operating latch 38 rotates left forearm 37, right forearm 31, left first hinge 36, right first hinge 33, left second hinge 35, and right second hinge 32 about the respective axes of rotation, opening first fixed arm 3 by disengaging latch 38, facilitating placement of the portable energy storage device onto a trolley. Specifically, the lock catch 38 of the first fixing arm 3 is firstly unlocked, the first fixing arm 3 is rotated and unfolded around the hinge structure on the fixing base 34, the split portable mobile energy storage device is placed, and then the first fixing arm 3 is rotated back to lock the lock catch 38, so that the fixing is completed.

Referring to fig. 7 and 8, a plurality of soft pads 39, preferably 10 soft pads, are disposed inside the first fixing arm 3. To prevent the first fixing arm 3 from buckling after the latch 38 is fastened and folded, a protrusion 311 is provided on the right front arm 31 to fit into a hole on the left front arm 37.

Referring to fig. 9 and 10, when not in use, the first left hinge 36 and the second left hinge 35 may be folded inward, such that the first left hinge 36 and the second left hinge 35 are folded, and the left front arm 37 is adjacent to the fixing base 34; similarly, the right first hinge 33 and the right second hinge 32 may be folded inwardly such that the right first hinge 33 and the right second hinge 32 are folded into a pair and the right front arm 31 is adjacent to the fixed base 34. First fixed arm 3 and second fixed arm 4 can improve the fixed arm and open and shut and folding flexibility through swivelling joint's subassembly in proper order, make the fixed arm diminish, are convenient for accomodate, put.

Further, in some embodiments, a snap may be provided between the left front arm 37 and the fixing seat 34 and between the right front arm 31 and the fixing seat 34, and after the first hinge and the second hinge are overlapped, the left front arm 37 and the right front arm 31 are respectively locked and connected with the fixing seat 34, so as to prevent the left first hinge 36 and the left second hinge 35, and the right first hinge 33 and the right second hinge 32, which are overlapped in transportation, from being separated.

EXAMPLE III

The difference between this embodiment and the first and second embodiments is that a latch 14 is provided in the middle of the front chassis 1.

Referring to fig. 4, two protruding portions 21 of the rear base plate 2 are respectively provided with pin holes 22, and the two pin holes 22 are arranged oppositely; two bolt grooves 16 are formed in the middle of the front bottom plate 1, bolts 14 are clamped in the two bolt grooves 16, the bolts 14 can slide in the bolt grooves 16, and the two bolts 14 are respectively connected with the two pin holes 22 in a clamping mode, so that the front bottom plate 1 cannot be turned upwards automatically when placed in a horizontal state, and the locking effect is achieved.

Referring to fig. 5, in order to ensure the reliability of the locking function, the front end of the latch 14 is sleeved with the latch housing 141 made of a metal material, and the latch 14 is disposed inside the bottom plate, so that the appearance of the trolley is not affected, the locking process is simple to operate, and the locking function is reliable.

Example four

The present embodiment is different from the first to third embodiments in that the upright 5 includes a left upright 51 and a right upright 52.

Referring to fig. 11, the top of the left vertical rod 51 is connected to one end of the transverse rod 6, and the top of the right vertical rod 52 is connected to the other end of the transverse rod 6, wherein the left vertical rod 51 and the right vertical rod 52 can be extended and retracted in three sections.

Because the split type portable energy storage device usually needs a connecting wire to link the battery assembly and the control assembly, the distance between the left upright rod 51 and the right upright rod 52 is larger, so that the connecting wire on the energy storage device can be avoided, compared with the conventional upright rod distance, the connecting wire can be avoided, and the portable energy storage device can be conveniently and directly used on the trolley, wherein the distance between the left upright rod 51 and the right upright rod 52 is preferably 350-355 mm.

In summary, the folding pull rod vehicle of the energy storage device provided by the invention comprises a bottom plate, a fixed arm, an upright rod and wheels, wherein a front bottom plate and a rear bottom plate in the bottom plate are rotatably connected, so that the bottom plate can be folded, and a bolt on the front bottom plate can slide left and right to be matched with a pin hole of the rear bottom plate, so that the front bottom plate cannot automatically turn upwards when being placed in a horizontal state, and a locking effect is achieved. The fixing base in the fixed arm is connected with the foldable left arm and the foldable right arm in a rotating mode, the foldable left arm and the foldable right arm are sequentially connected through the rotating component, and therefore the fixed arm can be folded according to the rotating connection position, and the opening and closing flexibility and the folding flexibility of the fixed arm can be improved. The number of fixed arm wherein is two, including first fixed arm and second fixed arm, first fixed arm and second fixed arm avoid fixed energy memory's connecting wire setting, can guarantee that energy memory assembles the connecting wire on the pull rod car, and the energy memory of being convenient for directly uses on the pull rod car. The pole setting includes left pole setting and right pole setting, and the connecting wire on the energy memory can be avoided to the great of the distance setting of left pole setting and right pole setting, compares in conventional pole setting distance, can avoid the connecting wire, makes things convenient for energy memory to directly use on the pull rod car. Therefore, the energy storage device is fixed by the aid of the hard connection mode, operation is convenient and fast, the trolley can be folded fast when the trolley is not used, and storage space is saved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims

1. A folding pull rod vehicle of an energy storage device is characterized by comprising a bottom plate, a fixed arm, a vertical rod and wheels;

the bottom plate and the fixing arm are connected with the vertical rod.

2. The energy storage device folding trolley as in claim 1, wherein the foldable left arm comprises a first left hinge, a second left hinge and a front left arm which are rotatably connected in sequence;

3. The energy storage device folding trolley as claimed in claim 2, wherein a protrusion is provided at an end of the right forearm away from the second right hinge, a hole matched with the protrusion is provided at an end of the left forearm away from the second left hinge, and the latch is provided on a surface of the protrusion and the hole for opening and closing the left forearm and the right forearm.

4. The folding trolley for energy storage devices as claimed in claim 2,

the left first hinge and the left second hinge are folded inwards in a rotating mode, so that the left first hinge and the left second hinge are folded oppositely, and the left front arm is close to the fixed seat;

5. The energy storage device folding trolley as recited in claim 2, wherein the number of said fixed arms is two, including a first fixed arm and a second fixed arm;

6. The energy storage device trolley of claim 5 wherein said first securing arm is spaced from said rear floor by a distance greater than the length of said front floor.

7. The energy storage device trolley of claim 6 wherein said front floor is pivotally connected to said rear floor by a hinge, said front floor being pivoted upwardly 90 ° along said hinge.

8. The folding trolley for storing energy of any one of claims 1 to 7, wherein the front end of the rear bottom plate is provided with two protrusions, and the bottom surface of the front bottom plate is provided with two recesses; when the front bottom plate and the rear bottom plate are rotated to be flush, the convex part is positioned in the concave part.

9. The folding trolley for energy storage devices as claimed in claim 8, wherein the two protrusions of the rear floor are respectively provided with a pin hole; two bolt grooves are formed in the middle of the front bottom plate, bolts are clamped in the two bolt grooves, and the two bolts are connected with the two pin holes in a sliding mode respectively.

10. The energy storage device folding trolley of claim 9 wherein a front end of the latch is sleeved with a latch housing.

11. The folding trolley for energy storage devices as claimed in claim 1, wherein one or more support feet are provided at the bottom of the front bottom plate.

12. The energy storage device folding trolley as recited in claim 1, wherein a predetermined number of soft pads are disposed on the contact surface of the base plate and the fixed arm with the fixed energy storage device.

13. A foldable trolley for storing energy as claimed in any one of claims 1 to 7, wherein said uprights include a left upright and a right upright, the top of said left upright being connected to one end of a transverse bar and the top of said right upright being connected to the other end of the transverse bar.

14. The foldable trolley as claimed in claim 13, wherein the distance between the left vertical rod and the right vertical rod is 350-355 mm.