CN214068986U

CN214068986U - Plug and corresponding socket of charger output for lithium cell

Info

Publication number: CN214068986U
Application number: CN202022467025.6U
Authority: CN
Inventors: 张胜丰
Original assignee: Jiande Fengshun Electric Co ltd
Current assignee: Jiande Fengshun Electric Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-27
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a plug of charger output for lithium cell and socket that corresponds. The plug comprises a plug and a socket, wherein a plug mounting groove matched with the plug is formed in the socket, the plug is mounted on the socket through the plug mounting groove and detachably connected with the socket, a guide block is fixed in the plug mounting groove, a guide groove matched with the guide block is formed in the plug, and the guide block and the guide groove are in sliding connection. The utility model has the advantages that: the plug is not easy to loosen from the socket, so that the stability of the lithium-ion charger is ensured; the plug-in process of the plug and the socket is smoother, the operation is simple and convenient, and time and labor are saved; the operator can distinguish the zero line, the live line and the ground wire conveniently; the inner space of the plug mounting groove is saved, so that the structure is more compact, and materials are saved; dust, particles, water and the like can be prevented from entering the plug mounting groove; the connection mode is simple and convenient, the operation is convenient, and the stability is good; the waterproof performance is good; the cover body is convenient to open.

Description

Plug and corresponding socket of charger output for lithium cell

Technical Field

The utility model belongs to the technical field of the relevant technique of charger and specifically relates to indicate a plug of charger output and corresponding socket for lithium cell.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n. Lewis in 1912. In the 70 s of the 20 th century, m.s. Whittingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.

When the charging seat of present lithium cell is using, the plug landing often can appear with not hard up the condition, and the frequent open circuit that consequently causes can bring the harm to with the load, and can bring the loss in other aspects.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the prior art not enough that plug and socket are not hard up easily, provide a plug and the socket that correspond of the difficult not hard up charger output for lithium cell of plug and socket.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a plug of charger output for lithium cell and socket that corresponds, includes plug and socket, be equipped with on the socket with plug assorted plug mounting groove, the plug passes through plug mounting groove to be installed on the socket and can dismantle with the socket and be connected, plug mounting groove internal fixation has the guide block, be equipped with on the plug with guide block assorted guide way, guide block and guide way sliding connection.

Including plug and socket, be equipped with on the socket with plug assorted plug mounting groove, the plug passes through plug mounting groove to be installed on the socket and can dismantle with the socket and be connected, plug mounting groove internal fixation has the guide block, be equipped with on the plug with guide block assorted guide way, guide block and guide way sliding connection have increased the area of contact of plug and socket when pegging graft through the cooperation of plug and plug mounting groove and the cooperation of guide block and guide way, have increased frictional force between the two for the plug is difficult and take place to become flexible between the socket, has guaranteed the stability of the plug of charger output for the lithium cell and the socket that corresponds.

Preferably, the edge of the side face of the guide block is provided with a guide block excircle corner matched with the guide groove, the edge of the side face of the plug is provided with a plug excircle corner matched with the plug installation groove, and the added excircle corner increases the smoothness of the plug and the socket in the plugging process, so that the operation is simple and convenient, and time and labor are saved.

Preferably, the bottom surface of the guide groove is provided with a plurality of fixing columns, the guide block is provided with fixing grooves matched with the fixing columns, the fixing columns are connected with the fixing grooves in a sliding mode, contact pieces matched with the fixing columns are installed in the fixing grooves, the fixing columns are metal conductive rods, the contact pieces are metal contact pieces, and the fixing columns are inserted into the fixing grooves and are internally contacted with the contact pieces to achieve conduction between the plugs and the sockets.

Preferably, the fixed column comprises a first column and a second column, the first column is two columns and is in a cylinder shape, the second column is one column and is in a cuboid shape, the fixed groove comprises a first groove matched with the first column and a second groove matched with the second column, an external fillet is arranged on the first column, an internal fillet matched with the external fillet is arranged at an opening of the first groove, a first external chamfer is arranged on the second column, a first internal chamfer matched with the first external chamfer is arranged at an opening of the second groove, the first column is connected with a live wire, the second column is connected with a zero wire, and the first column and the second column are arranged in different shapes so as to be convenient for an operator to distinguish; the added round angle and chamfer angle increase the smoothness of the first column and the second column in the process of respectively inserting the first groove and the second groove, the operation is simple and convenient, and time and labor are saved.

Preferably, a third column is fixed on the bottom surface of the plug mounting groove, the third column is arranged on the side surface of the guide block, a third groove matched with the three phases of the third column is formed in the plug, the third column is in sliding connection with the third groove, and the third column is connected with a ground wire, so that the safety of the charger is improved.

Preferably, the cross section of the guide block is L-shaped, the third column is arranged on the side face of one side of the guide block, the third column and the other side of the guide block are both positioned on the same side of one side of the guide block, an outer chamfer II is arranged on the third column, and an inner chamfer II matched with the outer chamfer II is arranged at the opening of the third groove; the added chamfer increases the smoothness of the third column and the third groove in the inserting process, and the operation is simple and convenient, and time and labor are saved.

Preferably, the socket is provided with a first lead, the contact piece comprises a first lead which is arranged in the first groove and matched with the first column and a second lead which is arranged in the second groove and matched with the second column, the first lead, the second lead and the third column are all electrically connected with the first lead, the plug is provided with a second lead, the third lead matched with the third column is arranged in the third groove, the first column, the second column and the third column are all electrically connected with the second lead, the socket is a current output end, the first lead is a power cord, a live wire in the first lead is electrically connected with the first lead, a zero wire in the first lead is electrically connected with the second lead, and a ground wire in the first lead is electrically connected with the third column; the plug is a load end, the second lead is a load flexible wire, a live wire in the second lead is electrically connected with the first column, a zero line in the second lead is electrically connected with the second column, and a ground wire in the second lead is electrically connected with the third sheet; and current generated by the power supply is transmitted to the load through the first lead, the socket, the plug and the second lead in sequence.

Preferably, the socket is provided with flanges which are symmetrically arranged on the side surfaces of two sides of the socket and fixedly connected with the socket, and the flanges are provided with mounting through holes which are used for fixing and mounting the socket.

Preferably, install on the socket with plug mounting groove's opening assorted lid, the lid is arranged plug mounting groove's opening part in and is rotated with the socket and be connected, the lid plays the guard action of socket when not pegging graft with the plug with plug mounting groove's opening joint, prevents that dust, granule and water etc. from damaging the socket in getting into plug mounting groove.

As preferred, be equipped with the annular on the side of socket, the plug mounting groove is located the inboard of annular, be equipped with on the lid with annular assorted card strip, the lid carries out the joint through the cooperation of card strip and annular with the socket, the joint mode is simple and convenient, the operation of being convenient for, stability is good.

As preferred, be provided with the breach on the lateral wall of annular, the one end and the annular intercommunication of breach, the other end and the lateral wall intercommunication of socket of breach, the breach plays the waterproof effect of socket, and after the lid covers the opening of plug mounting groove, if when having the gap between outside water infiltration income lid and the socket, water can get into among the annular and carry out the circulation along the annular, when waiting to rivers to breach department, alright through breach discharge socket has improved the waterproof nature of socket greatly.

Preferably, the two ends of the side face of the socket are symmetrically provided with rotating grooves, the side edge of one side of the cover body is fixed with a cover body flanging, the two ends of the cover body flanging are respectively provided with a rotating column matched with the rotating grooves, the cover body is installed on the socket through the matching of the rotating columns and the rotating grooves and is rotatably connected with the socket, and the connecting mode is simple and convenient, easy to install and convenient to control and operate.

Preferably, the side edge of the other side of the cover body is provided with an inclined surface, the inclined surface and the clamping strip are both positioned on the same side surface of the cover body, when an operator opens the cover body, the operator can hold the cover body on the inclined surface by fingertips of four fingers, and then the cover body is opened, so that the opening of the cover body is simple and convenient.

The utility model has the advantages that: the plug is not easy to loose from the socket, so that the stability of the plug output by the charger for the lithium battery and the corresponding socket is ensured; the plug-in process of the plug and the socket is smoother, the operation is simple and convenient, and time and labor are saved; the operator can distinguish the zero line, the live line and the ground wire conveniently; the inner space of the plug mounting groove is saved, so that the structure is more compact, and materials are saved; dust, particles, water and the like can be prevented from entering the plug mounting groove; the connection mode is simple and convenient, the operation is convenient, and the stability is good; the waterproof performance is good; the cover body is convenient to open.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the construction of the socket portion of FIG. 1;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at A in FIG. 2;

FIG. 5 is a schematic structural view of the plug portion of FIG. 1;

fig. 6 is an enlarged view at B in fig. 5.

In the figure: 1. the plug comprises a socket, 2, a plug, 3, a first lead, 4, a second groove, 5, a first inner chamfer, 6, a third column, 7, a second outer chamfer, 8, a plug installation groove, 9, a first groove, 10, an inner chamfer, 11, a guide block outer chamfer, 12, a guide block, 13, a ring groove, 14, a notch, 15, a socket flanging, 16, an installation through hole, 17, a cover body, 18, an inclined surface, 19, a clamping strip, 20, a cover body flanging, 21, a rotating column, 22, a rotating groove, 23, a second lead, 24, a plug outer chamfer, 25, a first outer chamfer, 26, a second column, 27, a first column, 28, an outer chamfer, 29, a guide groove, 30, a third groove and 31, and a second inner chamfer.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, the plug and the corresponding socket output by the charger for the lithium battery include a plug 2 and a socket 1, as shown in fig. 2 and 3, a plug mounting groove 8 matched with the plug 2 is arranged on the socket 1, the plug 2 is mounted on the socket 1 through the plug mounting groove 8 and detachably connected with the socket 1, a guide block 12 is fixed in the plug mounting groove 8, as shown in fig. 5 and 6, a guide groove 29 matched with the guide block 12 is arranged on the plug 2, and the guide block 12 is slidably connected with the guide groove 29.

As shown in fig. 3 and 6, a guide block bullnose 11 matching with the guide groove 29 is provided at the edge of the side surface of the guide block 12, and a plug bullnose 24 matching with the plug mounting groove 8 is provided at the edge of the side surface of the plug 2.

As shown in fig. 3 and 6, the bottom surface of the guide groove 29 is provided with a plurality of fixing columns, the guide block 12 is provided with fixing grooves matched with the fixing columns, the fixing columns are slidably connected with the fixing grooves, and contact pieces matched with the fixing columns are installed in the fixing grooves.

As shown in fig. 3 and 6, the fixing column includes a first column 27 and a second column 26, the first column 27 is two and has a cylindrical shape, the second column 26 is one and has a rectangular parallelepiped shape, the fixing groove includes a first groove 9 matching with the first column 27 and a second groove 4 matching with the second column 26, the first column 27 is provided with an external fillet 28, an opening of the first groove 9 is provided with an internal fillet 10 matching with the external fillet 28, the second column 26 is provided with an external chamfer 25, and an opening of the second groove 4 is provided with an internal chamfer 5 matching with the external chamfer 25.

As shown in fig. 3 and 6, a third column 6 is fixed on the bottom surface of the plug mounting groove 8, the third column 6 is arranged on the side surface of the guide block 12, a third groove 30 matched with the third column 6 is arranged on the plug 2, and the third column 6 is connected with the third groove 30 in a sliding manner.

As shown in fig. 3 and 6, the cross section of the guide block 12 is L-shaped, the third column 6 is disposed on the side surface of one side of the guide block 12, the third column 6 and the other side of the guide block 12 are both located on the same side of one side of the guide block 12, the third column 6 is provided with a second outer chamfer 7, and the opening of the third groove 30 is provided with a second inner chamfer 31 matched with the second outer chamfer 7.

As shown in fig. 2, the first lead 3 is mounted on the socket 1, as shown in fig. 3 and 6, the contact piece comprises a first piece mounted in the first groove 9 and matched with the first column 27 and a second piece mounted in the second groove 4 and matched with the second column 26, the first piece, the second piece and the third column 6 are all electrically connected with the first lead 3, as shown in fig. 5, the second lead 23 is mounted on the plug 2, as shown in fig. 3 and 6, a third piece mounted in the third groove 30 and matched with the third column 6, and the first column 27, the second column 26 and the third piece are all electrically connected with the second lead 23.

As shown in fig. 4, the socket 1 is provided with socket flanges 15, the socket flanges 15 are symmetrically arranged on the side surfaces of the two sides of the socket 1 and are fixedly connected with the socket 1, and the socket flanges 15 are provided with mounting through holes 16.

As shown in fig. 4, the socket 1 is provided with a cover 17 matching with the opening of the plug mounting groove 8, the cover 17 is disposed at the opening of the plug mounting groove 8 and is rotatably connected to the socket 1, and the cover 17 is clamped to the opening of the plug mounting groove 8.

As shown in fig. 4, a ring groove 13 is formed in a side surface of the socket 1, the plug mounting groove 8 is located inside the ring groove 13, a clamping strip 19 matched with the ring groove 13 is formed on the cover body 17, and the cover body 17 is clamped with the socket 1 through matching of the clamping strip 19 and the ring groove 13.

As shown in fig. 4, a notch 14 is provided on a side wall of the ring groove 13, one end of the notch 14 is communicated with the ring groove 13, and the other end of the notch 14 is communicated with an outer side wall of the socket 1.

As shown in fig. 4, the two ends of the side surface of the socket 1 are symmetrically provided with rotating grooves 22, the side edge of one side of the cover 17 is fixed with a cover flange 20, the two ends of the cover flange 20 are both provided with rotating posts 21 matched with the rotating grooves 22, and the cover 17 is installed on the socket 1 through the matching of the rotating posts 21 and the rotating grooves 22 and is rotatably connected with the socket 1.

As shown in fig. 4, the side edge of the other side of the cover 17 is provided with a slope 18, and the slope 18 and the clamping strip 19 are located on the same side of the cover 17.

When charging, the plug 2 is aligned with the plug mounting groove 8 on the socket 1, the guide block 12 in the plug mounting groove 8 is aligned with the guide groove 29 on the plug 2 (at the moment, the first column 27 and the second column 26 in the guide groove 29 are respectively aligned with the first groove 9 and the second groove 4 in the guide block 12, and the third column 6 in the plug mounting groove 8 is aligned with the third groove 30 on the plug 2), then the plug 2 is forcibly inserted into the socket 1 to complete connection of the plug 2 and the socket 1, and at the moment, current generated by a power supply is transmitted to a load through the first lead 3, the socket 1, the plug 2 and the second lead 23 in sequence to be charged.

When the socket 1 is not plugged with the plug 2, the cover body 17 covers the plug installation groove 8 through the matching of the clamping strip 19 and the annular groove 13, so that dust, particles and the like can be prevented from entering the plug installation groove 8 to damage the socket 1; at this time, if external water penetrates into the gap between the cover 17 and the socket 1, the water enters the annular groove 13 and circulates along the annular groove 13, and when the water flows to the notch 14, the water can be discharged out of the socket 1 through the notch 14.

Claims

1. A plug and a corresponding socket output by a charger for a lithium battery are characterized by comprising a plug (2) and a socket (1), a plug mounting groove (8) matched with the plug (2) is arranged on the socket (1), the plug (2) is arranged on the socket (1) through a plug mounting groove (8) and is detachably connected with the socket (1), a guide block (12) is fixed in the plug mounting groove (8), a guide groove (29) matched with the guide block (12) is arranged on the plug (2), the guide block (12) is connected with the guide groove (29) in a sliding way, a third column (6) is fixed on the bottom surface of the plug installation groove (8), the third column (6) is arranged on the side face of the guide block (12), a third groove (30) matched with the third column (6) is formed in the plug (2), and the third column (6) is connected with the third groove (30) in a sliding mode.

2. The plug and the corresponding socket for the output of the charger for the lithium battery as recited in claim 1, wherein the edge of the side surface of the guide block (12) is provided with a guide block external corner (11) matched with the guide groove (29), and the edge of the side surface of the plug (2) is provided with a plug external corner (24) matched with the plug mounting groove (8).

3. The plug and the corresponding socket for the output of the lithium battery charger according to claim 1, wherein a plurality of fixing posts are arranged on the bottom surface of the guide groove (29), fixing grooves matched with the fixing posts are arranged on the guide block (12), the fixing posts are connected with the fixing grooves in a sliding mode, and contact pieces matched with the fixing posts are arranged in the fixing grooves.

4. The plug and the corresponding socket for the output of the charger for the lithium battery as recited in claim 3, wherein the fixed column comprises a first column (27) and a second column (26), the first column (27) is two and has a cylindrical shape, the second column (26) is one and has a rectangular parallelepiped shape, the fixed groove comprises a first groove (9) matched with the first column (27) and a second groove (4) matched with the second column (26), the first column (27) is provided with an external fillet (28), an opening of the first groove (9) is provided with an internal fillet (10) matched with the external fillet (28), the second column (26) is provided with a first external chamfer (25), and an opening of the second groove (4) is provided with a first internal chamfer (5) matched with the first external chamfer (25).

5. The plug and the corresponding socket for the output of the lithium battery charger according to claim 1, wherein the cross section of the guide block (12) is in an L shape, the third column (6) is arranged on the side surface of one side of the guide block (12), the other sides of the third column (6) and the guide block (12) are both arranged on the same side of one side of the guide block (12), the third column (6) is provided with a second outer chamfer (7), and the opening of the third groove (30) is provided with a second inner chamfer (31) matched with the second outer chamfer (7).

6. The plug and the corresponding socket for the output of the lithium battery charger according to claim 4, wherein a first lead (3) is installed on the socket (1), the contact pieces comprise a first piece installed in a first groove (9) and matched with a first column (27) and a second piece installed in a second groove (4) and matched with a second column (26), the first piece, the second piece and the third column (6) are all electrically connected with the first lead (3), a second lead (23) is installed on the plug (2), a third piece matched with the third column (6) is installed in a third groove (30), and the first column (27), the second column (26) and the third piece are all electrically connected with the second lead (23).

7. The plug and the corresponding socket for the output of the charger for the lithium battery as recited in claim 1, wherein the socket (1) is provided with socket flanges (15), the socket flanges (15) are symmetrically arranged on the side surfaces of the two sides of the socket (1) and are fixedly connected with the socket (1), and the socket flanges (15) are provided with mounting through holes (16).

8. The lithium battery charger output plug and the corresponding socket according to claim 1, wherein a cover body (17) matched with an opening of the plug mounting groove (8) is mounted on the socket (1), the cover body (17) is arranged at an opening of the plug mounting groove (8) and is rotatably connected with the socket (1), and the cover body (17) is clamped with the opening of the plug mounting groove (8).

9. The lithium battery charger output plug and the corresponding socket according to claim 8, wherein a ring groove (13) is formed in the side surface of the socket (1), the plug mounting groove (8) is located on the inner side of the ring groove (13), a clamping strip (19) matched with the ring groove (13) is arranged on the cover body (17), and the cover body (17) is clamped with the socket (1) through the matching of the clamping strip (19) and the ring groove (13).

10. The plug and the corresponding socket for the output of the charger for the lithium battery as recited in claim 9, wherein a notch (14) is provided on the side wall of the ring groove (13), one end of the notch (14) is communicated with the ring groove (13), and the other end of the notch (14) is communicated with the outer side wall of the socket (1).

11. The lithium battery charger output plug and the corresponding socket according to claim 8, wherein the socket (1) is symmetrically provided with rotating grooves (22) at two ends of the side surface, the cover body flange (20) is fixed on the side edge of one side of the cover body (17), the rotating posts (21) matched with the rotating grooves (22) are arranged at two ends of the cover body flange (20), and the cover body (17) is installed on the socket (1) through the matching of the rotating posts (21) and the rotating grooves (22) and is rotatably connected with the socket (1).

12. The lithium battery charger output plug and the corresponding socket according to claim 11, wherein the side edge of the other side of the cover (17) is provided with an inclined surface (18), and the inclined surface (18) and the clamping strip (19) are both located on the same side surface of the cover (17).