Stamping terminal and charging socket with stamping terminal

Abstract

The utility model relates to a stamping terminal and a charging socket with the stamping terminal, and relates to the technical field of charging equipment of new energy automobiles, the stamping terminal comprises a guiding part, a plugging part, a locking part, an injection molding part and a fastening part which are connected in sequence, the side wall of the injection molding part is arranged in an open mode, and a sealing piece is integrally formed on the injection molding part in an injection molding mode. The diameter of the sealing element is larger than that of the injection molding part, the charging socket comprises a sealing groove formed in the socket shell, the sealing element is tightly attached to the side wall of the sealing groove and isolates the plugging part from the wiring part, external water drops can be effectively prevented from entering the charging socket, and potential safety hazards caused by water inflow of the charging socket are effectively avoided.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of charging equipment of new energy vehicles, in particular to a stamping terminal and a charging socket with the stamping terminal. BACKGROUND

[0002] With the development of the society of China, the popularization rate of vehicles is higher and higher, the frequency of people going out is higher and higher, and the time of people in the vehicle is more and more, so the frequency of people using the charging seat in the vehicle is higher and higher.

[0003] The terminal of the common charging seat of the vehicle on the market is usually inserted into the socket shell, the terminal is fixed by using a terminal plate to fix the opposite terminal at the bottom of the terminal, and the sealing assembly arranged on the terminal is usually directly sleeved in the sealing ring formed on the outer shell of the terminal, and the sealing performance is poor. SUMMARY

[0004] The application aims to provide a stamping terminal and a charging socket with the stamping terminal, so as to solve the technical problem of poor sealing performance of the terminal.

[0005] In a first aspect, the application provides a stamping terminal adopting the following technical scheme:

[0006] A stamping terminal comprises a guide part, a plug-in part, a locking part and a fastening part connected in sequence, an injection molding part is arranged between the locking part and the fastening part, the side wall of the injection molding part is open, a sealing piece is integrally injection molded on the injection molding part, and the diameter of the sealing piece is greater than the diameter of the injection molding part.

[0007] By adopting the above technical scheme, the sealing piece integrally injection molded tightly wraps the inside and outside of the injection molding part, when the stamping terminal is used, the sealing piece isolates the plug-in part and the wiring part, and can effectively prevent water droplets outside from entering the wiring part.

[0008] Optionally, a plurality of sealing lips are integrally formed on the outer side wall of the sealing piece.

[0009] By adopting the above technical scheme, the sealing lips can effectively increase the friction coefficient of the side wall of the sealing piece.

[0010] Optionally, a plurality of strip-shaped through holes are formed on the plug-in part, and the plug-in part is inwardly bent.

[0011] By adopting the above technical scheme, when the plug-in part is connected with the external wire, the plug-in part is inwardly bent, the plug-in part 2 can extrude and clamp the external device, and the fastening property is improved. The plurality of strip-shaped through holes provide a deformation space for the deformation of the plug-in part.

[0012] Optionally, a guide block is arranged on the guide part.

[0013] By adopting the technical scheme, the terminal can be accurately connected to the external device.

[0014] Optionally, the locking portion is formed by stamping and molding with a clamping jaw, the clamping jaw is symmetrically arranged on both sides of the locking portion, the clamping jaw is arranged obliquely, one end of the clamping jaw close to the plug-in portion is connected to the locking portion, and the other end of the clamping jaw away from the plug-in portion gradually moves away from the locking portion.

[0015] By adopting the technical scheme, the clamping jaw can effectively prevent the terminal from being accurately connected to the external device.

[0016] Optionally, the fastening portion is provided with a wiring portion on the side away from the injection molding portion, the side wall of the wiring portion is arranged in an open manner, and locking pieces are integrally connected on both sides of the wiring portion.

[0017] By adopting the technical scheme, when the stamping terminal is connected to the wire, the locking piece is bent and tightly fixes the connected wire.

[0018] Optionally, two arc-shaped elastic pieces are integrally formed on the fastening portion, and the two elastic pieces are symmetrically arranged on both sides of the fastening portion.

[0019] By adopting the technical scheme, the connected device is fixed through the deformation of the elastic piece, and the elastic piece transmits the electrical signal of the terminal.

[0020] In the second aspect, the charging socket with the stamping terminal adopts the technical scheme as follows.

[0021] The charging socket comprises a socket shell, a sheath detachably connected to the socket shell, a locking piece axially sleeved in the socket shell, the locking piece inserted into the sheath, a fastening groove formed in the locking piece, a boss integrally formed on the side of the fastening groove away from the socket shell, the boss extending into the wiring terminal from the side of the fastening portion away from the locking portion of the wiring terminal, and the fastening portion arranged on the boss.

[0022] By adopting the technical scheme, the device connected by the locking piece can effectively prevent the connected device from moving, increase the charging efficiency of the charging socket, further isolate the wire in the charging socket through the locking piece, reduce the exposure of the internal wire due to the damage of the charging socket shell, and improve the charging experience of the new energy vehicle owner.

[0023] Optionally, a plurality of terminal fixing tubes are integrally formed in the socket shell, the length direction of the terminal fixing tube is arranged away from the sheath, a locking groove is formed in the terminal fixing tube, and the clamping jaw extends into the locking groove.

[0024] By adopting the technical scheme, the punched terminal is fixed in the terminal fixing tube through the cooperation of the clamping jaw and the locking groove, and the assembly efficiency of the external device is effectively improved.

[0025] Optionally, a guide groove is further arranged in the terminal fixing tube, and the guide block is slidable along the extension direction of the guide groove.

[0026] By adopting the technical scheme, the punched terminal is fixed in the terminal fixing tube through the cooperation of the clamping jaw and the locking groove, and the assembly efficiency of the external device is effectively improved.

[0027] To sum up, the present application has at least one of the following beneficial technical effects:

[0028] 1. The integrally injection-molded sealing member tightly wraps the inside and outside of the injection-molded part, effectively preventing water from entering the wiring part.

[0029] 2. The punched terminal can be effectively prevented from falling off, and the charging efficiency of the charging socket is increased.

[0030] 3. The situation that the internal wires are exposed due to damage of the charging socket shell is reduced, and the charging experience of the new energy vehicle owner is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a schematic view of the overall structure of a punched terminal in Embodiment 1 of the present application;

[0032] Figure 2 is a schematic view of the structure of a punched terminal provided with a sealing member in Embodiment 1 of the present application;

[0033] Figure 3 is a schematic view of the structure of a punched terminal provided with a sealing member in Embodiment 2 of the present application;

[0034] Figure 4 is an exploded schematic view of a charging socket with a punched terminal in Embodiment 3 of the present application, in which a punched terminal in Embodiment 1 and a punched terminal in Embodiment 2 are connected.

[0035] Figure 5 is a schematic view of the structure of a charging socket with a punched terminal in Embodiment 3 of the present application;

[0036] Figure 6 is a schematic view of the cross-sectional structure of a punched terminal in Embodiment 1 of the present application, a punched terminal in a charging socket with a punched terminal in Embodiment 3 of the present application, a socket shell and a locking member in the charging socket with a punched terminal in Embodiment 3 of the present application after being sleeved.

[0037] Figure 7 is Figure 5 is an enlarged schematic view of the structure at A in FIG.

[0038] Figure 8 is another side sectional structure schematic view of a stamping terminal, a socket shell and a locking piece after the stamping terminal in an embodiment 1 of the present application and the stamping terminal in a charging socket with a stamping terminal in an embodiment 3.

[0039] Figure 9 is a sectional structure schematic view of a stamping terminal, a socket shell and a locking piece after the stamping terminal in an embodiment 2 of the present application and the stamping terminal in a charging socket with a stamping terminal in an embodiment 3.

[0040] Figure 10 is another side sectional structure schematic view of a stamping terminal, a socket shell and a locking piece after the stamping terminal in an embodiment 2 of the present application and the stamping terminal in a charging socket with a stamping terminal in an embodiment 3.

[0041] Marked in the drawing: 1, guide part; 101, guide block; 2, plug-in part; 201, strip-shaped through hole; 3, locking part; 301, pawl; 4, injection part; 401, sealing piece; 5, fastening part; 6, wiring part; 601, locking sheet; 7, elastic sheet; 8, socket shell; 801, terminal fixing tube; 802, guide groove; 803, locking groove; 804, sealing groove; 805, wiring terminal cavity; 806, signal terminal cavity; 9, locking piece; 901, wiring groove; 902, fastening groove; 903, clamping groove; 904, conductive copper plate; 905, boss; 10, sheath; 1001, terminal connecting cavity; 1002, signal access end. DETAILED DESCRIPTION

[0042] The following will be described in detail below with reference to the accompanying drawings. Figure 1 - the accompanying drawings Figure 10 , the present application will be further described in detail.

[0043] Embodiment 1:

[0044] Reference Figure 1 , Figure 2 , a stamping terminal, specifically a wiring terminal, is integrally stamped and formed by conductive metal material, including guide part 1, plug-in part 2, locking part 3, injection part 4, fastening part 5 and wiring part 6 connected in sequence.

[0045] Guide part 1 is integrally formed with guide block 101.

[0046] Plug-in part 2 is stamped and formed with a plurality of strip-shaped through holes 201, the length direction of the opening of the plurality of strip-shaped through holes 201 is arranged along the length direction of the plug-in part 2, and the plurality of strip-shaped through holes 201 are uniformly distributed along the circumference of the plug-in part 2. The above-mentioned plug-in part 2 is bent inward, so that when the plug-in part 2 connects external devices, the plug-in part 2 can extrude and clamp the external devices, improving the fastening property. Among them, the plurality of strip-shaped through holes 201 provide deformation space for the deformation of the plug-in part 2.

[0047] Two clamping claws 301 are formed on the locking portion 3 by stamping, and the two clamping claws 301 are symmetrically arranged on both sides of the locking portion 3. The clamping claws 301 are arranged in an inclined manner, and one end of the clamping claws 301 close to the plug-in portion 2 is connected with the locking portion 3, and the other end of the clamping claws 301 away from the plug-in portion 2 gradually moves away from the locking portion 3.

[0048] The side wall of the injection portion 4 is arranged in an open manner, so that the cross section of the injection portion 4 is in a semicircular arc shape. The sealing member 401 is integrally formed on the injection portion 4 by injection molding, and the diameter of the sealing member 401 is greater than the diameter of the injection portion 4. The integrally injection molded sealing member 401 tightly wraps the inside and outside of the injection portion 4. Three sealing lips are integrally formed on the outer side wall of the sealing member 401, and the three sealing lips are arranged along the length direction of the injection portion 4. In other embodiments, the number of sealing lips can be one or other number of multiple.

[0049] The fastening portion 5 is in a circular ring shape, and the diameter of the fastening portion 3 is the same as the diameter of the locking portion 3 and the diameter of the injection portion 4.

[0050] The side wall of the wiring portion 6 is arranged in an open manner, and the locking pieces 601 are integrally connected on both sides of the wiring portion 6. When the lead wire is connected, the locking pieces 601 are bent and tightly fix the connected lead wire.

[0051] Embodiment 2:

[0052] Reference Figure 3 A stamping terminal, specifically a signal terminal, which is different from the structure of embodiment 1 in that:

[0053] One clamping claw 301 is formed on the locking portion 3 by stamping, and the clamping claw 301 is located in the same straight line direction as the guide block 101.

[0054] Two arc-shaped elastic pieces 7 are integrally formed on the side of the fastening portion 5 away from the injection portion 4, and the two elastic pieces 7 are symmetrically arranged on both sides of the fastening portion 5. The arc surface of the elastic piece 7 protrudes away from the side of the stamping terminal away from the center line.

[0055] Embodiment 3:

[0056] Reference Figure 4 , Figure 5The utility model provides a charging socket, including socket casing 8, a plurality of terminal fixed tubes 801 are integrally formed on socket casing 8, the inner wall of terminal fixed tube 801 is provided with guide groove 802 and locking groove 803, and the stamping terminal is fixedly connected in terminal fixed tube 801, and the stamping terminal is fixed in terminal fixed tube 801 in cooperation with locking groove 803, the stamping terminal is axially sleeved with locking piece 9, locking piece 9 is close to stamping terminal and further fixes stamping terminal, socket casing 8 is fixedly connected with sheath 10, and locking piece 9 is axially sleeved in socket casing 8 and sheath 10 respectively, and the sealing cavity is set up on terminal fixed tube 801, wherein the sealing cavity is tightly combined with the sealing piece 401 on the stamping terminal.

[0057] Reference Figure 4 、 Figure 5 Including socket casing 8, locking piece 9 is axially sleeved in socket casing 8, and socket casing 8 is fixedly connected with sheath 10, and locking piece 9 is axially sleeved in socket casing 8 and sheath 10 respectively.

[0058] Specifically, a plurality of terminal fixed tubes 801 are divided into five wiring terminal cavities 805 and two signal terminal cavities 806, wherein the wiring terminal cavity 805 is used for connecting the wiring terminal in embodiment 1, wherein two locking grooves 803 and a guide groove are set up on the wiring terminal cavity 805, and the two locking grooves 803 are arranged on the side of guide groove 802 respectively, the signal terminal cavity 806 is used for connecting the signal terminal in embodiment 2, a locking groove 803 and a guide groove are set up on the signal terminal cavity 806, and the locking groove 803 is on the same straight line with guide groove 802, and in addition, the sealing groove 804 is set up on the side of wiring terminal cavity 805 and signal terminal cavity 806 close to locking piece 9.

[0059] Reference Figure 4 When the wiring terminal in embodiment 1 is connected in embodiment 3, the guide portion 1, locking portion 3 and sealing piece 401 on the wiring terminal cooperate with socket casing 8, so that the wiring terminal is fixed on socket casing 8, the fastening portion 5 on the wiring terminal cooperates with locking piece 9, so that the wiring terminal can avoid the movement, and the wiring portion 6 on the wiring terminal cooperates with the sheath, so that the external device can be connected with the wiring terminal.

[0060] Reference Figure 4 、 Figure 5 、 Figure 6The guide block 101 on the terminal guiding part 1 slides along the extending direction of the guide groove 802, so that the terminal extends into the terminal cavity 805, and in this process, the inclination angle of the clamping jaw 301 on the terminal locking part 3 gradually decreases until the clamping jaw 301 is closed and the cross section coincides with the cross section of the locking part 3; after being inserted, the clamping jaw 301 resets, the end of the clamping jaw 301 away from the plug-in part 2 extends into the locking groove 803, and the clamping jaw 301 cooperates with the locking groove 803 to fix the terminal in the terminal cavity 805. The sealing element 401 of the terminal is immersed in the sealing groove 804, and the outer surface of the sealing element 401 is tightly fitted with the inner wall of the sealing groove 804.

[0061] Referring to Figure 4 , Figure 7 , Figure 8 The terminal axially sleeves the locking element 9, the locking element 9 is provided with a terminal groove 901, the terminal groove 901 is provided with a fastening groove 902, the fastening groove 902 is integrally formed with a boss 905 away from one side of the socket shell 8, the boss 905 extends into the terminal from the side of the fastening part 5 away from the terminal locking part 3, and the terminal fastening part 5 is arranged on the boss 905.

[0062] The sheath 10 is integrally formed with three terminal connecting cavities 1001, and the three terminal connecting cavities 1001 are on the same straight line as the center lines of the three terminal cavities 805. After the terminal axially sleeves the locking element 9, the terminal groove 901 is penetrated by the terminal connecting part 6 on the terminal and is axially sleeved in the terminal connecting cavity, and the terminal connecting cavity 1001 is fitted with the side of the terminal groove 901 away from the socket shell 8, so as to avoid internal wiring from being exposed due to damage of the socket shell 8.

[0063] Referring to Figure 5 , Figure 9 When the signal terminal is connected to the socket shell 8, the guide block 101 of the guiding part 1 on the signal terminal and the clamping jaw 301 of the locking part 3 on the signal terminal slide along the extending direction of the guide groove 802, and in the process of inserting the signal terminal, the deformation mode of the clamping jaw 301 on the signal terminal is consistent with that of the clamping jaw 301 on the terminal in Embodiment 1, and when the clamping jaw 301 on the signal terminal moves to the locking groove 803, the clamping jaw 301 on the signal terminal cooperates with the locking groove 803 to fix the signal terminal in the signal terminal cavity 806.

[0064] Referring to Figure 7 , Figure 10The locking member 9 is further provided with a clamping plate slot 903, and a conductive copper plate 904 is embedded in the locking member 9, and a part of the conductive copper plate 904 is fixedly attached to the inner wall of the clamping plate slot 903. When the signal terminal is axially sleeved with the locking member 9, the elastic sheet 7 on the signal terminal is deformed and bent inwardly of the center line of the signal terminal, so that the elastic sheet 7 on the signal terminal can extend into the clamping plate slot 903, and the elastic sheet 701 is tightly attached to the conductive copper plate 904 on the inner wall of the clamping plate slot 903.

[0065] Reference Figure 4 , Figure 10 The sheath 10 is fixedly connected with a signal access end 1002, the signal access end 1002 is inserted into the locking member 9 and connected with the conductive copper plate 904.

[0066] The embodiments of the specific implementation are the preferred embodiments of the present application, and are not limited to the protection scope of the present application, wherein the same parts are indicated by the same reference numerals. Therefore, any equivalent changes made according to the structure, shape and principle of the present application should be covered by the protection scope of the present application.

Claims

1. A stamped terminal characterized by: The utility model relates to a connector, including the guiding portion (1) of connection in proper order, the splicing portion (2), the locking portion (3), the injection molding portion (4), the fastening portion (5), the injection molding portion (4) side wall is open type arrangement, the sealing piece (401) is integrally injection molded on the injection molding portion (4), the diameter of sealing piece (401) is greater than the diameter of injection molding portion (4).

2. The stamped terminal of claim 1, wherein: The outer side wall of the sealing piece (401) is integrally formed with a plurality of sealing lips.

3. The stamped terminal of claim 1, wherein: A plurality of strip-shaped through holes (201) are formed through the splicing portion (2), and the splicing portion (2) is inwardly bent.

4. The stamped terminal of claim 1, wherein: The guiding portion (1) is provided with a guiding block (101).

5. The stamped terminal of claim 4, wherein: The locking portion (3) is provided with a pawl (301) formed by stamping, the pawl (301) is symmetrically arranged on both sides of the locking portion (3), the pawl (301) is arranged in an inclined manner, one end of the pawl (301) close to the splicing portion (2) is connected with the locking portion (3), and the other end of the pawl (301) away from the splicing portion (2) gradually moves away from the locking portion (3).

6. The stamped terminal of claim 1, wherein: The fastening portion (5) is provided with a wiring portion (6) away from the injection molding portion (4), the side wall of the wiring portion (6) is open type arrangement, and the wiring portion (6) is integrally connected with a locking piece (601) on both sides.

7. The stamped terminal of claim 1, wherein: The fastening portion (5) is integrally formed with two arc-shaped elastic pieces (7) symmetrically arranged on both sides of the fastening portion (5).

8. A charging receptacle with the stamped terminal of claim 5, characterized by: The utility model relates to a connector, including the guiding portion (1) of connection in proper order, the splicing portion (2), the locking portion (3), the injection molding portion (4), the fastening portion (5), the injection molding portion (4) side wall is open type arrangement, the sealing piece (401) is integrally injection molded on the injection molding portion (4), the diameter of sealing piece (401) is greater than the diameter of injection molding portion (4).

9. A charging socket according to claim 8, wherein: A plurality of terminal fixing tubes (801) are integrally formed in the socket shell (8), the length direction of the terminal fixing tube (801) is arranged away from the sheath (10), a locking groove (803) is formed in the terminal fixing tube (801), and the pawl (301) extends into the locking groove (803).

10. A charging socket according to claim 9, wherein: A guiding groove (802) is further formed in the terminal fixing tube (801), and the guiding block (101) can slide along the extending direction of the guiding groove (802).

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