Small portable charging cable Retractable charger

Abstract

To provide a charger which realizes storage of a charging cable, prevents knotting due to cable wear, has a small structure, is convenient to carry, and can be widely applied in the technical field of charging auxiliary devices. [Solution] A charger that can store a small portable charging cable has removable front and rear housings 1 and 2, the front and rear housings are connected to a connection shaft 15, a group of conductive slip rings and a storage component for storing a cable 13 are connected to the connection shaft, an arrangement component is connected to the front and rear housings, one end of the cable passes through the arrangement component and is wound around the storage component, and the other end is extended to the outside and electrically connected to a charging gun 12, a drive timing belt pulley is connected to the storage component, and a driven timing belt pulley is connected to the arrangement component, and the group of conductive slip rings is electrically connected to the cable and the connection cable 30.

Description

[Technical field]

[0001] The present invention relates to the technical field of charging auxiliary devices, and more particularly to a small portable charger that can store a charging cable. [Background technology]

[0002] With the increasing development and growth of the electric vehicle market, the number of electric vehicles is increasing, but the battery life of electric vehicles is always limited, so charging facilities are an important guarantee in the electric vehicle industry chain, but in the current society, the number of charging stations cannot meet the demand for electric vehicles, so when going out on a trip, it is usually necessary to prepare a charging cable to charge the electric vehicle. In addition, the charging port of the electric vehicle is special, and the electric vehicle is usually equipped with a dedicated charging cable, but in the conventional technology, most of the charging cables are difficult to fold and store, and the charging cable is randomly placed in the trunk of the electric vehicle, which occupies a large space, is difficult to carry, and is easily confused because it is scattered and arranged, which is inconvenient to use, and is exposed to the outside for a long time, so it is easy to wear and break. Therefore, a device to solve the above problems is needed. Summary of the Invention [Means for solving the problem]

[0003] In the prior art, most of the charging cables are difficult to fold and store, and the charging cables are randomly placed in the trunk of the electric vehicle, taking up a large space, being difficult to carry, and being scattered and easily confused, inconvenient to use, and exposed to the outside for a long time, which makes them prone to wear and tear. In order to solve these problems, the present application proposes a charger that can store a small portable charging cable.

[0004] The technical means of the present invention includes removable front and rear housings, in which the front and rear housings are connected to a connecting shaft, a storage component for storing a cable is connected to the connecting shaft, an arrangement component is connected to the front and rear housings, one end of the cable passes through the arrangement component and is wound around the storage component, and the other end extends to the outside and is electrically connected to a charging gun, a driving timing belt pulley is connected to the storage component, a driven timing belt pulley is connected to the arrangement component, the driving timing belt pulley is connected to the driven timing belt pulley via a timing belt, a conductive slip ring group is connected to the connecting shaft, and the conductive slip ring group is electrically connected to a cable and a connecting cable.

[0005] Preferably, the storage component includes a left cable disc, a right cable disc, a coil spring, and a coil spring case, the left cable disc and the right cable disc are connected to the connecting shaft via a left bearing and a right bearing respectively, the coil spring case is disposed between the left cable disc and the right cable disc and connected to the left cable disc and the right cable disc, the coil spring is disposed in the coil spring case, and one end is connected to the connecting shaft and the other end is connected to the coil spring case, and the drive timing belt pulley is connected to the left cable disc or the right cable disc.

[0006] Preferably, a partition plate is provided within the coil spring case, and an engagement protrusion is provided on an end surface of the partition plate remote from the coil spring, and a plurality of ratchet grooves are provided on the engagement protrusion, a connection block is connected to the connecting shaft, and a pawl is rotatably connected to one end of the connection block, and when the pawl engages in the ratchet groove, an engagement positioning configuration is formed with respect to the coil spring case, and one end of the pawl remote from the ratchet groove is connected to one end of the connection block remote from the pawl via the connecting spring, and a plurality of release notches are provided directly on the engagement protrusion.

[0007] Preferably, the arrangement component includes a left connecting plate, a right connecting plate, a reciprocating screw, a connecting rod and an arrangement plate, both ends of the reciprocating screw and the connecting rod are connected to the left connecting plate and the right connecting plate, both ends of the arrangement plate are slidably connected to the connecting rod and the reciprocating screw, one end of the arrangement plate is meshed with the reciprocating screw, a pair of rotating wheels are rotatably connected to the arrangement plate, the cable passes through the arrangement plate between the two rotating wheels, and the driven timing belt pulley is connected to one end of the reciprocating screw and located between the left connecting plate and the right connecting plate.

[0008] Preferably, a control circuit board assembly is connected within the front housing, a touch screen assembly and a group of conductive slip rings are connected to the control circuit board assembly, a portion of the touch screen assembly passes through the front housing, a protective case covering the touch screen assembly is connected to the front housing, and a handle is connected to the protective case.

[0009] Preferably, a positioning plate is connected to the rear housing.

[0010] Preferably, the front housing has a storage groove, a base plate is connected into the storage groove, an insertion port is provided at an upper end of the base plate, and an engagement groove is provided at a lower end of the base plate, one end of the charging gun is inserted into the insertion port and the other end engages into the engagement groove, a position limiting ball is connected to one end of the cable close to the charging gun, a storage port is opened in the rear housing, and the cable enters the rear housing through the storage port.

[0011] Preferably, a winding plate is connected to the side end surface of the rear housing, the connection cable is wound around the winding plate, an engagement pin is connected to the rear housing located near the winding plate, and a plug of the connection cable is engaged with the engagement pin. Effect of the Invention

[0012] The technical means of the present invention have the following beneficial effects: (1) the front and rear housings store the cable, avoiding the cable being scattered and exposed to the outside, and making it easy to carry; (2) the storage component can store the cable, and release it when in use, and rewind and store the cable by the elastic force of the coil spring when not in use, reducing the space occupied and making it easy to carry when going out; (3) the ratchet groove and the pawl can easily limit the position of the storage component, and engage and position the cable after it is released, avoiding the cable being automatically stored, and not affecting the normal rewind and storage of the cable when not in use; (4) the control circuit board assembly and the touch screen assembly can be controlled to monitor the charging time of the cable and the on / off of the cable; (5) the positioning plate makes it easy to connect the whole charger to the wall, realizing the home use of the charger, and the positioning plate makes it easy to lift the charger, making it easy to carry; (6) the placement plate and the position limiting ball make it easy to place the charging gun, and limit the length of the cable when it is stored in the storage component. (7) The winding plate makes it easy to store the connection cable. This invention is expected to be widely used in the technical field of charging auxiliary devices. [Brief description of the drawings]

[0013] [Figure 1] 1 is a perspective view of a small portable charger with a retractable charging cable according to the present invention; [Diagram 2] 2 is a structural schematic diagram of the storage component of the small portable charging cable-storable charger according to the present invention; [Diagram 3] 2 is a schematic diagram of the ratchet groove and pawl structure of the small portable charging cable retractable charger of the present invention; [Figure 4] 2 is a schematic diagram of the structure of the small portable charging cable retractable charger of the present invention after the arrangement component and the storage component are mated; FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] The technical solutions of the embodiments of the present invention will be described below clearly and completely with the aid of the drawings, but obviously, the described embodiments are only some of the embodiments of the present invention, and are not all of the embodiments. All other embodiments obtained by those skilled in the art without creative labor based on the embodiments of the present invention are within the scope protected by the present invention. In the description of the present invention, the orientations or positional relationships indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientations or positional relationships shown in the drawings, and are merely intended to facilitate the description of the present invention, and do not indicate or imply that the indicated devices or elements must be constructed and operated in a specific orientation, but are understood as limitations on the present invention.

[0015] Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be understood to indicate or imply any relative importance in the description of the present invention, but unless otherwise expressly specified and limited, the terms "attached", "connected", and "connection" should be understood in a broad sense, for example, a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or an internal connection between two elements. Those skilled in the art can specifically understand the specific meaning of the above terms in the present invention.

[0016] As shown in Figs. 1 to 4, the front housing 1 and the rear housing 2 fixedly connected through bolts can be easily removed, which further facilitates maintenance of the internal members. The front housing 1 and the rear housing 2 are fixedly connected to a connection shaft 15 via bolts in a removable manner, and the connection shaft 15 is connected to the front housing 1 and the rear housing 2, and a storage component can rotate around the connection shaft 15 as a rotation shaft. A storage component for storing the cable 13 is connected to the connection shaft 15, and the storage component stores the cable 13. The storage component includes a left cable disk 16, a right cable disk 17, a coil spring 21, and a coil spring case 20, and the left cable disk 16 and the right cable disk 17 are rotatably connected to the connection shaft via a left bearing 18 and a right bearing 19, respectively. The left cable disk 16 and the right cable disk 17 are connected to the connection shaft 15, and the left cable disk 16 and the right cable disk 17 can be rotated relative to the connection shaft 15 via the left bearing 18 and the right bearing 19. The coil spring case 20 is provided between the left cable disk 16 and the right cable disk 17, and is removably fixedly connected to the left cable disk 16 and the right cable disk 17 via bolts, and by connecting the left cable disk 16 and the right cable disk 17 with the coil spring case 20, simultaneous rotation of the coil spring case 20, the left cable disk 16, and the right cable disk 17 is achieved. The cable 13 is wound around the coil spring case 20, and by rotating the coil spring case 20, the cable 13 can be stored, and the left cable disk 16 and the right cable disk 17 prevent the cable 13 from coming off the coil spring case 20.Coil spring 21 is disposed within coil spring case 20, and one end is removably fixedly connected to connecting shaft 15 via a bolt, and the other end is removably fixedly connected to coil spring case 20 via a bolt. Rotating coil spring case 20 rotates coil spring 21, which in turn provides an elastic rotational force to coil spring case 20. Release of cable 13 rotates coil spring case 20, left cable disk 16, and right cable disk 17, and at the same time, coil spring case 20 rotates coil spring 21. After cable 13 is released, the elastic force of coil spring 21 causes cable 13 to automatically rewind and store in coil spring case 20.

[0017] 1 to 4, a small portable charger capable of storing a charging cable is provided in a coil spring case 20, and a partition plate 22 is provided in the coil spring case 20, and the interior of the coil spring case 20 can be easily divided into two sections via the partition plate 22, and the coil spring 21 is arranged in one section, so that other devices do not affect the normal operation of the coil spring 21. An engagement protrusion 23 is welded to an end face of the partition plate 22 remote from the coil spring 21, and a plurality of ratchet grooves 24 are provided in the engagement protrusion 23, a connection block is removably and fixedly connected to the connection shaft 15 via a bolt, and a pawl 25 is rotatably connected to one end of the connection block 26, and when the pawl 25 engages with the ratchet groove 24, an engagement positioning configuration for the coil spring case 20 is formed, and the elastic force of the coil spring 21 prevents the cable 13 from being automatically rewound and stored in the coil spring case 20. One end of the pawl 25 and remote from the ratchet groove 24 is connected to one end of the connection block 26 remote from the pawl 25 via a connecting spring 27, which provides elastic force and limits the pawl 25. A number of release notches 28 are directly provided on the engagement protrusion 23, and when the pawl 25 moves to the release notches 28, it is stretched by the elasticity of the connecting spring 27, and the radian of the pawl 25 is used to loosen the cable 13, and the elasticity of the coil spring 21 allows the cable 13 to be rewound and stored in the coil spring case 20.

[0018] In the small portable charger with a storable charging cable shown in Figs. 1-4, an arrangement component is removably fixedly connected to the front housing 1 and the rear housing 2 via bolts, one end of the cable 13 passes through the arrangement component and is wound around the storage component, and the other end is extended to the outside and electrically connected to the charging gun 12, so that the cable 13 can be arranged and wound around the coil spring case 20 in an orderly manner, and the cable 13 is prevented from being scattered and wound around the coil spring case, which affects the storage of the cable 13. The arrangement component includes a left connecting plate 32, a right connecting plate 33, a reciprocating screw 35, a connecting rod 34, and an arrangement plate 36, and the left connecting plate 32 and the right connecting plate 33 are removably fixedly connected within the front housing 1 and the rear housing 2, respectively, via bolts, and the left connecting plate 32 and the right connecting plate 33 are connected to the front housing 1 and the rear housing 2, respectively. Both ends of the reciprocating screw 35 and the connecting rod 34 are connected to the left connecting plate 32 and the right connecting plate 33, and the reciprocating screw 35 and the connecting rod 34 are connected to the left connecting plate 32 and the right connecting plate 33. Both ends of the arrangement plate 36 are slidably connected to the connecting rod 34 and the reciprocating screw 35, and the arrangement plate 36 can move along the longitudinal direction of the connecting rod 34 and the reciprocating screw 35. One end of the arrangement plate 36 meshes with the reciprocating screw 35, and the arrangement plate 36 moves in the longitudinal direction of the reciprocating screw 35 by the rotation of the reciprocating screw 35. A pair of rotating wheels 37 are rotatably connected to the arrangement plate 36, and the cables 13 pass through the arrangement plate 36 between the two rotating wheels 37. The cables 13 are limited by the rotating wheels 37, so that the cables 13 can move along the arrangement plate 36, and the cables 13 can be uniformly arranged when they are rewound into the coil spring case 20. At the same time, the direct frictional force between the cables 13 and the arrangement plate 36 can be reduced by the rotating wheels 37.

[0019] A small portable charger capable of storing a charging cable as shown in Figures 1 to 4, in which the drive timing belt pulley 38 is connected to the left cable disk 16 or the right cable disk 17, the driven timing belt pulley 39 is connected to one end located at the reciprocating screw 35 and between the left connecting plate 32 and the right connecting plate 33, the drive timing belt pulley 38 is connected to the driven timing belt pulley 39 via a timing belt 40, and the cable 13 is stored by rotating the coil spring case 20, which rotates the drive timing belt pulley 38, which further rotates the driven timing belt pulley 39 via the timing belt 40, which further rotates the reciprocating screw 35, and further rotates the arrangement plate 36.

[0020] 1 to 4, a small portable charger capable of storing a charging cable is shown. A conductive slip ring group 41 is connected to a connection shaft 15, and the conductive slip ring group 41 is electrically connected to a cable 13 and a connection cable 40, so that when the cable 13 rotates, the electrical connection with the connection cable 30 is not affected via the conductive slip ring group 41. A control circuit board assembly 3 is removably fixedly connected to the inside of the front housing 1 via a bolt. The control circuit board assembly 3 is a control circuit board assembly for a single-chip microcomputer commonly found on the market, and the control circuit board assembly 3 is electrically connected to a touch screen assembly 4 and a conductive slip ring group. The control circuit board assembly 3 controls the on / off of the conductive slip ring group 41 and can adjust the current and voltage passing through the conductive slip ring group 41, while the touch screen assembly 4 makes it easy to display circuit data and can adjust the current and voltage.

[0021] 1 to 4 show a small portable charger with a storable charging cable. The touchscreen assembly 4 is a touchscreen module assembly commonly found on the market, with a portion of the touchscreen assembly 4 penetrating a front housing 1, and a protective case 5 covering the outside of the touchscreen assembly 4 is removably connected to the front housing 1 via a bolt, which protects the touchscreen assembly 4 and facilitates connecting the touchscreen assembly 4 to the front housing 1. A handle 6 is rotatably connected to the protective case 5, which makes it easy to lift the entire charger via the handle 6 and to carry the charger.

[0022] In the charger capable of storing a small portable charging cable shown in Figures 1 to 4, a positioning plate is connected to the rear housing 2, and the positioning plate 7 fixes the entire charger to the wall to form a fixed charging stand, and the positioning plate 7 also makes it easy to lift the entire charger, making it easy to carry the charger.

[0023] A small portable charger capable of storing a charging cable as shown in Figs. 1-4, in which a storage groove 8 is provided in a front housing 1, and a charging gun 12 is provided in the storage groove 8, and the charging gun 12 is placed through the storage groove 8 when the charger is not in use, so that the charging gun 12 can be placed freely and does not affect reuse. A placement plate 9 is removably connected to the storage groove 8 via a bolt, connecting the placement plate to the front housing 1. An insertion port 10 is provided at the upper end of the placement plate 9, and an engagement groove 11 is provided at the lower end of the placement plate 9, one end of the charging gun 12 is inserted into the insertion port 10, and the other end is engaged in the engagement groove 11, restricting the head of the charging gun 12 through the insertion port 10, supporting the tail of the charging gun 12 through the engagement groove 11, and allowing the charging gun 12 to be stably placed in the storage groove 8. A position limiting ball 14 is connected to one end of the cable 13 close to the charging gun 12, and the position limiting ball 14 limits the length of the cable 13 wound up inside the charger, preventing the cable 13 from being wound up too much inside the charger, which could affect the placement of the charging gun 12 on the placement plate 9 in the storage tank 8. A storage opening is provided in the rear housing 2, and the cable 13 enters the rear housing 2 through the storage opening. The storage opening makes it easy to insert and remove the cable 13, and by limiting the position to the storage opening, it is possible to prevent the entire cable 13 from entering the rear housing 2 through the storage opening, which could affect the next use of the cable 13.

[0024] 1 to 4, a small portable charger capable of storing a charging cable is provided, and a winding plate 29 is removably fixedly connected to a side end surface of a rear housing 2 via a bolt, connecting the winding plate 29 to the housing 2. A connection cable 30 is wound around the winding plate 29, and the connection cable 30 can be easily stored via the winding plate 29. Furthermore, the connection cable 30 can be stored when not in use, and can be released and connected to an external power source when in use. An engagement pin 31 is connected to the rear housing 2 located near the winding plate 29, and a plug of the connection cable 30 is engaged with the engagement pin 31, and the plug of the connection cable 30 is easily engaged and positioned by the engagement pin 31, preventing the plug of the connection cable 30 from moving unintentionally.

[0025] The device elements in the above embodiments are normal device elements unless otherwise specified, and the related structural setting methods, operation methods, and control methods are all normal setting methods, operation methods, and control methods in the relevant field unless otherwise specified.

[0026] The above-mentioned embodiments only represent some embodiments of the present invention, and the description is more specific and detailed, but therefore cannot be understood as a limitation on the scope of the utility model registration. It should be noted that those skilled in the art can make some modifications and improvements that fall within the protection scope of the present invention without departing from the concept of the present invention. Therefore, the protection scope of the present invention registration should be in accordance with the appended claims. [Explanation of symbols]

[0027] 1, front housing; 2, rear housing; 3, control circuit board assembly; 4, touch screen assembly; 5, protective case; 6, handle; 7, positioning plate; 8, storage groove; 9, placement plate; 10, socket; 11, engagement groove; 12, charging gun; 13, cable; 14, position limiting ball; 15, connection shaft; 16, left cable disk; 17, right cable disk; 18, left bearing; 19, right bearing; 20, coil spring case; 21, coil spring; 22, partition plate; 23, engaging protrusion; 24, ratchet groove; 25, pawl; 26, connection block; 27, connecting spring; 28, release notch; 29, winding plate; 30, connecting cable; 31, engaging pin; 32, left connecting plate; 33, right connecting plate; 34, connecting rod; 35, reciprocating screw; 36, arrangement plate; 37, rotating wheel; 38, driving timing belt pulley; 39, driven timing belt pulley; 40, timing belt; 41, conductive slip ring group.

Claims

1. A small portable charger with a removable front case (1) and rear case (2) that can store a charging cable. a charging gun (12) that is electrically connected to the charging component (12); a drive timing belt pulley (38) is connected to the storage component; a driven timing belt pulley (39) is connected to the storage component; the drive timing belt pulley (38) is connected to the driven timing belt pulley (39) via a timing belt (40); a conductive slip ring group (41) is connected to the connection shaft (15); and the conductive slip ring group (41) is electrically connected to the cable (13) and the connection cable (30).

2. 2. The small portable charging cable retractable charger according to claim 1, wherein the storage components include a left cable disk (16), a right cable disk (17), a coil spring (21), and a coil spring case (20), the left cable disk (16) and the right cable disk (17) are connected to the connecting shaft (15) via a left bearing (18) and a right bearing (19), respectively, the coil spring case (20) is disposed between the left cable disk (16) and the right cable disk (17) and is connected to the left cable disk (16) and the right cable disk (17), the coil spring (21) is disposed within the coil spring case (20), and one end of the coil spring (21) is connected to the connecting shaft (15) and the other end is connected to the coil spring case (20), and the drive timing belt pulley (38) is connected to the left cable disk (16) or the right cable disk (17).

3. The small portable charger capable of storing a charging cable according to claim 2, characterized in that a partition plate (22) is provided within the coil spring case (20), an end surface of the partition plate (22) remote from the coil spring (21) is provided with an engagement protrusion (23), the engagement protrusion (23) is provided with a plurality of ratchet grooves (24), a connection block (26) is connected to the connection shaft (15), a pawl (25) is rotatably connected to one end of the connection block (26), and when the pawl (25) engages in the ratchet groove (24), an engagement positioning configuration for the coil spring case (20) is formed, and one end of the pawl (25) remote from the ratchet groove (24) is connected to one end of the connection block (26) remote from the pawl (25) via a connection spring (27), and the engagement protrusion (23) is directly provided with a plurality of release notches (28).

4. 2. The small portable charger according to claim 1, wherein the arrangement components include a left connection plate (32), a right connection plate (33), a reciprocating screw (35), a connecting rod (34) and an arrangement plate (36), both ends of the reciprocating screw (35) and the connecting rod (34) are connected to the left connection plate (32) and the right connection plate (33), both ends of the arrangement plate (36) are slidably connected to the connecting rod (34) and the reciprocating screw (35), one end of the arrangement plate (36) is meshed with the reciprocating screw (35), a pair of rotating wheels (37) are rotatably connected to the arrangement plate (36), the cable (13) passes through the arrangement plate (36) between the two rotating wheels (37), and the driven timing belt pulley (39) is connected to one end located at the reciprocating screw (35) and between the left connection plate (32) and the right connection plate (33).

5. The charger capable of storing a small portable charging cable as described in claim 1, characterized in that a control circuit board assembly (3) is connected inside the front housing (1), a touch screen assembly (4) and a conductive slip ring group (41) are connected to the control circuit board assembly (3), a portion of the touch screen assembly (4) penetrates the front housing (1), a protective case (5) covering the touch screen assembly (4) is connected to the front housing (1), and a handle (6) is connected to the protective case (5).

6. 2. The small portable charger capable of storing a charging cable according to claim 1, further comprising a positioning plate (7) connected to the rear housing (2).

7. The charger capable of storing a small portable charging cable as described in claim 1, characterized in that the front housing (1) is provided with a storage groove (8), a base plate (9) is connected within the storage groove (8), an insertion port (10) is provided at the upper end of the base plate (9), and an engagement groove (11) is provided at the lower end of the base plate (9), one end of the charging gun (12) is inserted into the insertion port (10) and the other end is engaged within the engagement groove (11), a position limiting ball (14) is connected to one end of the cable (13) that is close to the charging gun (12), a storage port is opened in the rear housing (2), and the cable (13) enters the rear housing (2) through the storage port.

8. A small portable charger capable of storing a charging cable as described in claim 1, characterized in that a winding plate (29) is connected to the side end surface of the rear housing (2), the connection cable (30) is wound around the winding plate (29), an engagement pin (31) is connected to the rear housing (2) located near the winding plate (29), and a plug of the connection cable (30) is engaged with the engagement pin (31).

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