Portable power bank

Abstract

The utility model relates to a power bank, in particular to a portable power bank, which comprises a charging unit, a charging wire, a charging head and a clamping box, the charging head is electrically connected with the charging unit through the charging wire, and the charging wire extends out of the charging unit; the card box is directly or indirectly connected to the charging unit; a locking unit is further arranged in the clamping box, the charging head is clamped and fixed to the clamping box through the locking unit, and when the charging head is fixed to the clamping box, the charging wire is bent to form an annular portable structure. According to the portable power bank provided by the utility model, the charging head is fixed on the clamping box through the locking unit, so that the charging wire is bent to form an annular portable structure, a consumer user can hook the annular portable structure with fingers when holding the power bank, and the holding experience of the user is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a charging device, in particular to a portable power bank. BACKGROUND

[0002] With the rapid development of mobile communication, various mobile intelligent devices are gradually becoming indispensable tools in people's daily life, and in order to meet the needs of people when going out for mobile phone charging, the power bank has become one of the mainstream means for charging intelligent devices outdoors.

[0003] Please refer to Figure 1 It is a common power bank with a charging line at present, which comprises a power bank body 1, a charging head 2 and a charging line 3, the charging line 3 is connected between the power bank body 1 and the charging head 2, a recess 4 is arranged on the shell of the power bank body 1, the charging head 2 and the charging line 3 can be embedded in the recess 4 to form a whole box structure with the power bank body 1, when charging is needed, the charging head 2 is taken out from the recess 4 and connected to the intelligent device. Such design makes the charging line 3 and the charging head 2 occupy part of the volume space of the power bank body 1, resulting in that the power bank body 1 is relatively large in volume, and at the same time, the power bank body 1 cannot place a larger battery to improve the capacity of the power bank. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a portable power bank, which can make the charging line of the power bank bend to form a ring-shaped portable structure, so as to facilitate the user to carry the power bank.

[0005] A portable power bank comprises a charging unit, a charging line, a charging head and a card box, the charging head is electrically connected with the charging unit through the charging line, and the charging line extends out of the charging unit; the charging line passes through the card box; a locking unit is further arranged in the card box, the charging head is clamped and fixed with the card box through the locking unit, when the charging head is fixed in the card box, the charging line bends to form a ring-shaped portable structure.

[0006] Compared with the prior art, the portable power bank disclosed by the utility model fixes the charging head in the card box through the locking unit, so that the charging line bends to form a ring-shaped portable structure, so that the consumer user can hook the ring-shaped portable structure with fingers when carrying the power bank, which is convenient to carry, and at the same time, the charging unit does not need to occupy the volume to accommodate the charging line and the charging head, so that the volume of the charging unit is reduced.

[0007] Further, the locking unit comprises a clamping block, a groove is arranged on the side wall of the charging head, and the clamping block is embedded into the groove of the charging head to fix the charging head in the card box. The clamping block and the groove of the charging head are further embedded to prevent the charging head from sliding out.

[0008] Further, the locking unit comprises a linkage rod and a button, the button comprises a pressing plate, the button is arranged on the shell of the card box, the linkage rod is fixed on the clamping block, and the top end is fixed with the pressing plate. By pressing the pressing plate on the button, the linkage rod and the clamping block are pushed, and then the clamping block and the groove of the charging head are stopped from being embedded, so that the charging head can be taken out of the card box.

[0009] Further, the button further comprises a linkage block, the linkage rod is further provided with a clamping groove, and the linkage block is clamped and fixed with the clamping groove of the linkage rod, so that the button and the linkage rod are fixed.

[0010] Further, the locking unit further comprises a spring, an inner box is further sleeved in the shell of the card box, one end of the spring abuts against the inner box, and the other end abuts against the pressing plate. The spring pushes the button outward through the pressing plate, and the clamping block is pushed inward against the groove of the charging head. When the button is not pressed, the clamping block is not popped out of the groove of the charging head, and the charging head can be firmly clamped in the card box.

[0011] Further, the inner box comprises an annular plate, the annular plate forms a containing groove, and the charging head can be inserted into the containing groove and clamped and fixed with the locking unit.

[0012] Further, the inner box comprises two annular plates and a connecting plate, the two annular plates form two containing grooves, the connecting plate is fixed between the two annular plates, and is arranged opposite to the pressing plate of the locking unit, the spring abuts between the pressing plate and the connecting plate, the charging wire and the charging head are correspondingly arranged as two, the number of the clamping blocks, linkage blocks and linkage rods in the locking unit is two, the locking unit further comprises a connecting rod, and two ends of the connecting rod are respectively fixedly connected to the two clamping blocks. When one of the charging heads is used for charging, the other charging head can also be fixed in the card box to form a ring-shaped hand-held structure, so that the user can hold the power bank with hand during charging.

[0013] The utility model provides a portable power bank, including charging unit, charging wire, charging head and card box, the charging head passes through charging wire and is electrically connected with charging unit, the charging wire passes through the card box, the shell of card box forms an accommodation groove that the charging head can be inserted, a cantilever is arranged on the card box, and a clamping block is arranged at the tail end of the cantileve, the side wall of the charging head is provided with a groove, when the charging head is inserted into the accommodation groove, the clamping block is clamped and fixed with the groove on the charging head, and the charging wire is bent and forms a ring-shaped portable structure, the clamping block can be firmly embedded in the groove through the elasticity of the cantilever, when the pulling force is applied to the charging head from the direction opposite to the direction of insertion of the card box, the cantilever is bent, the clamping block stops clamping with the groove of the charging head, and the charging head can be pulled out of the card box.

[0014] Further, the shape of the clamping block and the groove of the charging head is trapezoidal. By setting the shape of the clamping block as trapezoidal, the force required when inserting or pulling out the charging head can be reduced, and the user can conveniently pull out or insert the charging head during actual use.

[0015] Further, the number of the charging head, the accommodation groove and the cantilever is two, and the accommodation groove and the cantilever are symmetrically arranged in the card box. When the user uses one of the charging heads to charge, the other charging head can also be fixed in the card box to form a ring-shaped portable structure, so that the user can hold the power bank with hands during charging.

[0016] Further, the card box is arranged on the charging unit through a connecting line, one end of the connecting line is connected with the card box, and the other end is connected with the charging unit. By designing the card box on the outside of the charging unit, the volume of the charging unit can be reduced.

[0017] Preferably, the card box can also be arranged on the charging wire or the charging unit. The card box no longer needs to be connected with the charging unit through an additional connecting line.

[0018] In order to better understand and implement, the utility model is described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the power bank in the prior art;

[0020] Figure 2 It is a structural schematic diagram of the portable power bank of the utility model;

[0021] Figure 3 It is a sectional view of the overall structure of the card box of embodiment 1;

[0022] Figure 4 It is a structural schematic diagram of the charging head of embodiment 1;

[0023] Figure 5 Sectional view of the card seat and the charging head when engaged for the embodiment 1;

[0024] Figure 6 Sectional view of the overall structure of the card box for the embodiment 2;

[0025] Figure 7 Schematic view of the structure of the charging head for the embodiment 2;

[0026] Figure 8 Sectional view of the card seat and the charging head when engaged for the embodiment 2;

[0027] Reference signs: 10 - charging unit; 20 - card box; 21 - outer shell; 22 - inner box; 221 - first annular plate; 222 - second annular plate; 223 - first connecting plate; 224 - second connecting plate; 23 - first accommodating groove; 24 - second accommodating groove; 27 - first cantilever; 28 - second cantilever; 30 - first charging head; 31 - first recess; 40 - first charging wire; 50 - second charging head; 51 - second recess; 60 - second charging wire; 70 - locking unit; 71 - first engaging block; 72 - second engaging block; 73 - connecting rod; 74 - first linkage rod; 741 - first clamping groove; 75 - second linkage rod; 751 - second clamping groove; 76 - button; 761 - pressing plate; 762 - first linkage block; 763 - second linkage block; 77 - spring. DETAILED DESCRIPTION

[0028] The utility model rethinks the structure of portable power bank, through design one charging head and the card box's engagement structure, make the charging wire can be bent and form a ring portable structure, convenient for user portable power bank.

[0029] The utility model designs the scheme of the charging seat in detail below.

[0030] Embodiment one

[0031] Please refer to Figure 2The portable power bank of the embodiment comprises a charging unit 10, a card box 20, a first charging head 30, a first charging wire 40, a second charging head 50, a second charging wire 60 and a locking unit 70. The first charging head 30 and the second charging head 50 are electrically connected with the charging unit 10 through the first charging wire 40 and the second charging wire 60 respectively, and the first charging wire 40 and the second charging wire 60 extend out of the charging unit 10. The card box 20 is arranged on the first charging wire 40 and the second charging wire 60, and the first charging wire 40 and the second charging wire 60 pass through the card box 20. The locking unit 70 is arranged in the card box 20, and the first charging head 30 and the second charging head 50 are fixedly engaged with the card box 20 through the locking unit 70. When the first charging head 30 and the second charging head 50 are fixed in the card box 20, the first charging wire 40 and the second charging wire 60 are bent to form a ring-shaped portable structure, which is convenient for users to carry the power bank.

[0032] Specifically, please refer to Figure 3 The card box 20 comprises an outer shell 21 and an inner box 22. The outer shell 21 is sleeved outside the inner box 22. The inner box 22 comprises a first annular plate 221, a second annular plate 222, a first connecting plate 223 and a second connecting plate 224. The first annular plate 221 and the second annular plate 222 form a first accommodating groove 23 and a second accommodating groove 24 respectively, and the first charging head 30 and the second charging head 50 can be inserted into the first accommodating groove 23 and the second accommodating groove 24. The first connecting plate 223 and the second connecting plate 224 are fixedly connected between the first annular plate 221 and the second annular plate 222, and an accommodating cavity for the first charging wire 40 and the second charging wire 60 to pass through is formed between the first connecting plate 223 and the second connecting plate 224. The first charging wire 40 and the second charging wire 60 pass through the accommodating cavity and fix the card box 20 on the first charging wire 40 and the second charging wire 60.

[0033] Please refer to Figure 4 and Figure 5 First recesses 31 and second recesses 51 are arranged on the side walls of the first charging head 30 and the second charging head 50 respectively. The locking unit 70 comprises first engaging blocks 71 and second engaging blocks 72. When the first charging head 30 and the second charging head 50 are inserted into the first accommodating groove 23 and the second accommodating groove 24, the first engaging blocks 71 and the second engaging blocks 72 can be embedded in the first recesses 31 and the second recesses 51 respectively, so as to fix the first charging head 30 and the second charging head 50 in the card box 20.

[0034] The locking unit 70 further comprises a connecting rod 73, a first linkage rod 74, a second linkage rod 75 and a button 76. The button 76 is arranged on the shell 21 of the card box 20, and the button 76 comprises a pressing plate 761, a first linkage block 762 and a second linkage block 763. The pressing plate 761 is arranged opposite to the first connecting plate 223. The top ends of the first linkage rod 74 and the second linkage rod 75 are provided with a first clamping groove 741 and a second clamping groove 751. One end of each of the first linkage block 762 and the second linkage block 763 is fixedly connected to the pressing plate 761 of the button 76, and the other end of each of the first linkage block 762 and the second linkage block 763 is respectively embedded in the first clamping groove 741 and the second clamping groove 751 of the first linkage rod 74 and the second linkage rod 75 to be fixedly clamped, so that the button 76 can move synchronously with the first linkage rod 74 and the second linkage rod 75. The first clamping block 71 and the second clamping block 72 are respectively fixed to the bottom ends of the first linkage rod 74 and the second linkage rod 75. The two ends of the connecting rod 73 are respectively fixedly connected to the first clamping block 71 and the second clamping block 72, so as to prevent the first linkage rod 74 and the second linkage rod 75 from deforming and causing the first clamping block 71 and the second clamping block 72 to be separated from the first recess 31 and the second recess 51 of the first charging head 30 and the second charging head 50.

[0035] The locking unit 70 further comprises a spring 77. One end of the spring 77 abuts against the first connecting plate 223, and the other end of the spring 77 abuts against the pressing plate 761. The spring 77 pushes the button 76 outward through the pressing plate 761. Since the first linkage block 762 and the second linkage block 763 fixedly arranged on the button 76 are clamped and connected to the first linkage rod 74 and the second linkage rod 75, the spring 77 also pushes the first linkage rod 74 and the second linkage rod 75 outward, so that the first clamping block 71 and the second clamping block 72 connected to the first linkage rod 74 and the second linkage rod 75 are pushed inward against the first recess 31 and the second recess 51 of the first charging head 30 and the second charging head 50, thereby preventing the charging heads from being separated.

[0036] In another embodiment, the card box 20 is arranged on the charging unit 10 through a connecting line. One end of the connecting line is fixedly connected to the card box 20, and the other end of the connecting line is fixedly connected to the charging unit 10.

[0037] Alternatively, in another embodiment, the card box 20 is directly arranged on the charging unit 10, thereby reducing the structural complexity of the entire portable power bank.

[0038] Compared with the prior art, the portable power bank can fix the charging head in the card box on the charging wire through a locking unit, and make the charging wire bend to form a ring-shaped portable structure, so that the user can hold the power bank through the ring-shaped portable structure, improve the holding experience of the user, and when one of the charging heads of the power bank is used for charging, the other charging wire can also form a ring-shaped portable structure, so that the user can conveniently hold the power bank by hand when charging, and the holding difficulty of the user is reduced.

[0039] Embodiment two

[0040] Please refer to Figure 2 The portable power bank of the embodiment comprises a charging unit 10, a card box 20, a first charging head 30, a first charging wire 40, a second charging head 50 and a second charging wire 60. The first charging head 30 and the second charging head 50 are respectively electrically connected with the charging unit 10 through the first charging wire 40 and the second charging wire 60, and the first charging wire 40 and the second charging wire 60 extend out of the charging unit 10. The card box 20 is arranged on the first charging wire 40 and the second charging wire 60, and the first charging wire 40 and the second charging wire 60 pass through the card box 20. The first charging head 30 and the second charging head 50 can be clamped and fixed with the card box 20. When the first charging head 30 and the second charging head 50 are fixed in the card box 20, the first charging wire 40 and the second charging wire 60 are bent to form a ring-shaped portable structure, which is convenient for the user to hold the power bank.

[0041] Specifically, please refer to Figure 6 The card box 20 comprises an outer shell 21 and an inner box 22. The outer shell 21 is sleeved outside the inner box 22. The inner box 22 comprises a first annular plate 221, a second annular plate 222, a first connecting plate 223 and a second connecting plate 224. The first annular plate 221 and the second annular plate 222 respectively form a first accommodating groove 23 and a second accommodating groove 24. The first charging head 30 and the second charging head 50 can be inserted into the first accommodating groove 23 and the second accommodating groove 24. The first connecting plate 223 and the second connecting plate 224 are fixedly connected between the first annular plate 221 and the second annular plate 222. A accommodating cavity is formed between the first connecting plate 223 and the second connecting plate 224, which can be passed through by the first charging wire 40 and the second charging wire 60. The first charging wire 40 and the second charging wire 60 pass through the accommodating cavity, and the card box 20 is fixed on the first charging wire 40 and the second charging wire 60.

[0042] Please refer to Figure 7 and Figure 8The side walls of the first charging head 30 and the second charging head 50 are respectively provided with a first groove 31 and a second groove 51; the first annular plate 221 and the second annular plate 222 are respectively provided with a first cantilever 27 and a second cantilever 28, the first cantilever 27 and the second cantilever 28 have elasticity, the ends of the first cantilever 27 and the second cantilever 28 are respectively fixed with a first clamping block 71 and a second clamping block 72, when the first charging head 30 and the second charging head 50 are inserted into the first accommodating groove 23 and the second accommodating groove 24, the first clamping block 71 and the second clamping block 72 can be respectively embedded into the first groove 31 and the second groove 51, at this time, due to the elastic effect of the first cantilever 27 and the second cantilever 28, the first clamping block 71 and the second clamping block 72 are pressed against the first groove 31 and the second groove 51 of the first charging head 30 and the second charging head 50, so as to fix the first charging head 30 and the second charging head 50 in the clamping box 20. At the same time, due to the elasticity of the first cantilever 27 and the second cantilever 28, the first charging head 30 and the second charging head 50 can be directly inserted or pulled out of the first accommodating groove 23 and the second accommodating groove 24.

[0043] Preferably, the shapes of the first clamping block 71 and the second clamping block 72 and the first groove 31 and the second groove 51 on the first charging head 30 and the second charging head 50 are trapezoidal, so that when the charging head is inserted or pulled out of the accommodating groove, the contact surface of the clamping block and the groove is a slope surface at a certain angle with the force direction, thereby reducing the force required when the charging head 30 (50) is inserted or pulled out, to facilitate the use of the user.

[0044] In another embodiment, the clamping box 20 is arranged on the charging unit 10 through a connecting line, one end of the connecting line is fixed on the clamping box 20, and the other end is fixed on the charging unit 10.

[0045] Alternatively, in another embodiment, the clamping box 20 is directly arranged on the charging unit 10, thereby reducing the structural complexity of the entire portable power bank.

[0046] Compared with the prior art, the portable power bank can fix the charging head in the clamping box on the charging line, and make the charging line bend to form a ring-shaped portable structure, so that the user can hold the portable power bank through the ring-shaped portable structure, improve the holding experience of the user, and when one of the charging heads of the portable power bank is used for charging, the other charging line can also form a ring-shaped portable structure, so that the user can conveniently hold the portable power bank with hands when charging, thereby reducing the holding difficulty of the user.

[0047] The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the description of the embodiments of the present application and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It also will be understood that the term "multiple" refers to two or more, unless otherwise indicated. The terms "first", "second", "third", etc. are used only to distinguish one element from another and are not used to describe a particular sequential or chronological order, unless otherwise indicated. The term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. The above description is presented in connection with the accompanying drawings, which show details of specific embodiments. The number of elements in the drawings is not meant to limit the scope of the embodiments of the present application. The above description is presented to enable any person skilled in the art to practice the embodiments of the present application as claimed.

[0048] The above embodiments only express a specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the present application. It should be noted that for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. A portable power bank, characterized in that: The device includes a charging unit, a charging cable, a charging head, and a card holder. The charging head is electrically connected to the charging unit via the charging cable, which extends out of the charging unit. The card holder is directly or indirectly connected to the charging unit. A locking unit is also provided inside the card holder, and the charging head is locked to the card holder via the locking unit. When the charging head is fixed to the card holder, the charging cable is bent to form a loop-shaped handle structure. The locking unit includes a locking block, and a groove is provided on the side wall of the charging head. The locking block is embedded in the groove of the charging head to fix the charging head in the card box. The locking unit also includes a linkage rod and a button. The button includes a pressing plate. The button is disposed on the outer shell of the card box. The linkage rod is fixed on the locking block, and its top end is fixed to the pressing plate.

2. The portable power bank according to claim 1, characterized in that: The button also includes a linkage block, and the linkage rod is provided with a slot, the linkage block and the slot of the linkage rod are engaged and fixed.

3. The portable power bank according to claim 2, characterized in that: The locking unit also includes a spring, and an inner box is fitted inside the outer shell of the card box; one end of the spring abuts against the inner box and the other end abuts against the pressing plate, and the spring pushes the button outward through the pressing plate, so that the locking block abuts inward against the groove of the charging head.

4. The portable power bank according to claim 3, characterized in that: The inner box includes an annular plate that forms a receiving groove, into which the charging head can be inserted and engaged with the locking unit for fixation.

5. The portable power bank according to claim 4, characterized in that: The inner box includes two annular plates and a connecting plate. The two annular plates form two receiving grooves. The connecting plate is fixed between the two annular plates and is opposite to the pressing plate of the locking unit. The spring abuts between the pressing plate and the connecting plate. The charging cable and the charging head are provided in pairs. The locking unit has two locking blocks, linkage blocks, and linkage rods. The locking unit also includes a connecting rod, the two ends of which are fixedly connected to the two locking blocks.

6. The portable power bank according to any one of claims 1-5, characterized in that: The card holder is mounted on the charging unit via a connecting cable, with one end of the connecting cable connected to the card holder and the other end connected to the charging unit.

7. The portable power bank according to any one of claims 1-5, characterized in that: The card holder is disposed on the charging cable or on the charging unit.

8. A portable power bank, characterized in that: The device includes a charging unit, a charging cable, a charging head, and a card holder. The charging head is electrically connected to the charging unit via the charging cable. The card holder is directly or indirectly connected to the charging unit. The outer shell of the card holder forms a receiving slot for inserting the charging head. A cantilever is provided on the card holder, and a locking block is provided at the end of the cantilever. A groove is provided on the side wall of the charging head. When the charging head is inserted into the receiving slot, the locking block engages and fixes with the groove on the charging head. The charging cable is bent to form a ring-shaped handle structure.

9. The portable power bank according to claim 8, characterized in that: The locking block and the groove of the charging head are trapezoidal in shape.

10. The portable power bank according to claim 9, characterized in that: The number of the charging head, the receiving slot, and the cantilever is two, and the receiving slot and the cantilever are symmetrically arranged in the card box.

11. The portable power bank according to any one of claims 8-10, characterized in that: The card holder is mounted on the charging unit via a connecting cable, with one end of the connecting cable connected to the card holder and the other end connected to the charging unit.

12. The portable power bank according to any one of claims 8-10, characterized in that: The card holder is disposed on the charging cable or on the charging unit.

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