Charging port structure capable of prolonging service life

Abstract

The utility model belongs to the technical field of charging heads, particularly relates to a charging port structure capable of prolonging the service life, and aims to solve the problem that elastic fatigue of an outer shell is caused by long-time plugging and unplugging after the existing PINs are inserted into the outer shell, and provides the following scheme: the charging port structure comprises a plurality of connecting shells and a PCB (Printed Circuit Board), a group of connecting assemblies are arranged between the PCB and the plurality of connecting shells, and the connecting assemblies are used for quickly fixing the connecting shells on the PCB; a protective shell is fixed at the side end of the PCB, a plurality of insulating cylinders are fixed in the protective shell, the plurality of insulating cylinders are respectively sleeved on the surfaces of the plurality of connecting shells, and each connecting shell comprises a plurality of shell sheets; by arranging the limiting assembly, the outer shell piece in the connecting shell is limited, the outer shell piece is prevented from loosening or deforming due to external force, and therefore it is guaranteed that the outer shell piece is in good contact with the PINs.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging head technical field especially relates to a charging port structure that can improve service life. BACKGROUND

[0002] In the prior art, the charging port structure usually adopts a simple plug-in mode to realize circuit connection.

[0003] After the PIN needle is inserted into the outer shell, the outer shell expands outward as a whole, and long-term plugging and unplugging can cause elastic fatigue of the outer shell, resulting in the inability of some outer shell pieces to reset and contact the PIN needle. When the individual outer shell pieces and the PIN needle contact, the outer shell pieces are prone to overheating, thereby affecting transmission efficiency and posing a fire hazard. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem of elastic fatigue of the outer shell caused by the insertion of the PIN needle into the outer shell and the outward expansion of the outer shell as a whole in the prior art, and provides a charging port structure that can improve service life.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A charging port structure that can improve service life, comprising a plurality of connection housings, further comprising:

[0007] A PCB circuit board is provided with a set of connection assemblies between the PCB circuit board and the plurality of connection housings, and the connection assemblies are used to quickly fix the connection housings to the PCB circuit board.

[0008] Among them, the side end of the PCB circuit board is fixed with a protective shell, a plurality of insulating barrels are fixed in the protective shell, a plurality of insulating barrels are respectively sleeved on the surfaces of a plurality of connection housings, a plurality of connection housings each comprise a plurality of shell pieces, a plurality of shell pieces are used to contact the PIN needle, and a plurality of insulating barrels are each provided with a set of limiting assemblies. Each set of limiting assemblies is used to limit a plurality of shell pieces.

[0009] A sealing plate is rotatable on the side end of the protective shell through a damping shaft, the side end of the sealing plate is provided with a plurality of sealing assemblies, and the plurality of sealing assemblies are respectively used to seal and protect a plurality of connection housings.

[0010] A positioning assembly is arranged between the insulating barrel and the protective shell to position the sealing plate when it is closed.

[0011] In a possible design, each of the connecting assemblies comprises a pin fixed to the side end of the connecting shell, and the PCB circuit board is provided with a fixing slot matched with the pin, and the pin is welded to the PCB circuit board.

[0012] In a possible design, each of the limiting assemblies comprises a clamp, and the clamp is sleeved on the surface of the connecting shell and used for limiting the movement range of the plurality of shell pieces.

[0013] In a possible design, each of the limiting assemblies further comprises a limiting ring, and the limiting ring is fixed in the insulating barrel and has a bevel to realize the function of limiting and guiding the PIN pin.

[0014] In a possible design, the positioning assembly comprises a matching slot formed in the protective shell, a magnetic block is fixed in the matching slot, and the side end of the sealing plate is fixed with an iron sheet matched with the matching slot, and the iron sheet and the magnetic block are magnetically connected.

[0015] In a possible design, each of the sealing assemblies comprises a sliding barrel fixed to the side end of the sealing plate, a sealing plug is slidably arranged in the sliding barrel, the sealing plug is matched with the port of the sliding barrel, the side end of the sealing plug is fixed with a sealing spring, and the sealing spring is fixed in the sliding barrel.

[0016] In the application, when the PIN pin is inserted into the connecting shell, the PIN pin needs to pass through the limiting ring, and the limiting ring limits the PIN pin while guiding the PIN pin, so that the PIN pin can enter the connecting shell vertically, thereby the shell pieces can be uniformly extruded to move outward, the movement of the shell pieces is limited by the clamp, the elastic allowance of the shell pieces is limited by the clamp, the elastic fatigue of the shell pieces can be effectively alleviated, and the service life of the connecting shell is increased.

[0017] The pin is inserted into the clamp to quickly weld and fix the connecting shell to the PCB circuit board.

[0018] The sealing plate can seal the protective shell, and the magnetic connection between the iron sheet and the magnetic block can effectively close and position the sealing plate; the sealing plug at the side end of the sealing plate is elastically pushed by the sealing spring when the sealing plate is closed, and is attached to the limiting ring, so that the connecting shell is effectively sealed and protected, and the service life of the connecting shell is further increased.

[0019] Beneficial effects: in the utility model, the connecting assembly is arranged, the connecting shell and the PCB circuit board are quickly fixed and connected, and the stability and reliability of the connection are improved.

[0020] The utility model discloses a charging port structure that can improve the service life, through setting the limiting component, the shell piece in the connecting shell is positioned, the shell piece is avoided and slackens or deforms because of external force, thereby guaranteeing the contact good with PIN needle.

[0021] The utility model discloses a charging port female end structure that can improve the practical life, and the quick accurate matching of charging port female end and male end can be realized through the limiting component, protective housing, matching groove and other structures of design, and the damage of charging port structure that the gradient is too big can be avoided, and the sealing characteristic of charging port structure can be effectively improved simultaneously.

[0022] The utility model discloses a charging port structure that can improve the service life, through setting the limiting component, the shell piece in the connecting shell is positioned, the shell piece is avoided and slackens or deforms because of external force, thereby guaranteeing the contact good with PIN needle. ACCURACY OF DRAWINGS

[0023] Figure 1 A charging port structure that can improve the service life is provided in the utility model.

[0024] Figure 2 A charging port structure that can improve the service life is provided in the utility model.

[0025] Figure 3 A charging port structure that can improve the service life is provided in the utility model.

[0026] Figure 4 A charging port structure that can improve the service life is provided in the utility model.

[0027] Figure 5 A charging port structure that can improve the service life is provided in the utility model.

[0028] In the drawing: 1, protective housing, 2, insulating cylinder, 3, limiting ring, 4, PCB circuit board, 5, pin, 6, connecting shell, 7, clamp, 8, sealing plate, 9, matching groove, 10, magnetic suction block, 11, iron sheet, 12, sealing plug, 13, sliding cylinder, 14, sealing spring. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0030] Embodiment 1: refer to Figures 1-5The utility model relates to a charging port structure which is applied to the technical field of charging head and comprises a plurality of connecting housings 6 and a PCB circuit board 4. A set of connecting components is arranged between the PCB circuit board 4 and the plurality of connecting housings 6, and the connecting components are used for quickly fixing the connecting housings 6 to the PCB circuit board 4. Specifically, each set of connecting components comprises a pin 5 fixed to the side end of the connecting housing 6, and the PCB circuit board 4 is provided with a fixed clamping groove matched with the pin 5. After the pin 5 is inserted into the fixed clamping groove, the pin 5 is fixedly connected to the PCB circuit board 4 through welding.

[0031] The side end of the PCB circuit board 4 is fixedly provided with a protective shell 1, a plurality of insulating barrels 2 are fixedly arranged in the protective shell 1, and the plurality of insulating barrels 2 are respectively sleeved on the surfaces of the plurality of connecting housings 6. The plurality of connecting housings 6 each comprise a plurality of shell pieces which are used for contacting the PIN pins to realize circuit connection. In order to limit the movement range of the plurality of shell pieces, a set of limiting components is arranged in each of the plurality of insulating barrels 2. Each set of limiting components comprises a clamp 7 which is sleeved on the surface of the connecting housing 6 to limit the movement range of the shell piece. In addition, each set of limiting components further comprises a limiting ring 3 which is fixedly arranged in the insulating barrel 2 and has a bevel to realize the function of limiting and guiding the PIN pins, so that the PIN pins can be accurately inserted into the connecting housing 6.

[0032] In order to further improve the sealing performance of the charging port structure, the device further comprises a sealing plate 8 which is rotatably arranged at the side end of the protective shell 1 through a damping rotating shaft and is convenient to open and close. The side end of the sealing plate 8 is provided with a plurality of sealing components, and each of the sealing components is used for sealing and protecting the plurality of connecting housings 6. Specifically, each of the sealing components comprises a sliding cylinder 13 fixed to the side end of the sealing plate 8, a sealing plug 12 is slidably arranged in the sliding cylinder 13, the sealing plug 12 is matched with the port of the sliding cylinder 13 to realize tight sealing, a sealing spring 14 is fixed to the side end of the sealing plug 12 and is fixedly arranged in the sliding cylinder 13 to provide the pressure of the sealing plug 12 to the connecting housings 6, and the sealing effect is ensured.

[0033] Embodiment 2: refer to Figures 1-5 On the basis of embodiment 1, the device further comprises a positioning component in order to position the sealing plate 8 when the sealing plate 8 is closed. The positioning component comprises a matching groove 9 arranged in the protective shell 1, a magnetic suction block 10 is fixedly arranged in the matching groove 9, and an iron sheet 11 matched with the matching groove 9 is fixed to the side end of the sealing plate 8. When the sealing plate 8 is closed, the iron sheet 11 is magnetically connected with the magnetic suction block 10 to realize the positioning of the sealing plate 8 and avoid the accidental opening of the sealing plate 8 due to external force

[0034] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A charging port structure that improves service life, comprising multiple connecting housings (6), characterized in that, Also includes: A PCB circuit board (4) is provided between the PCB circuit board (4) and a plurality of connecting housings (6), and the connecting components are used to quickly fix the connecting housings (6) onto the PCB circuit board (4); The PCB circuit board (4) is fixed with a protective shell (1) on its side. The protective shell (1) is fixed with a plurality of insulating cylinders (2). The plurality of insulating cylinders (2) are respectively sleeved on the surface of a plurality of connecting shells (6). The plurality of connecting shells (6) include a plurality of shell pieces. The plurality of shell pieces are used to contact the PIN pins. The plurality of insulating cylinders (2) are provided with a set of limiting components. Each set of limiting components is used to limit the plurality of shell pieces. A sealing plate (8) is rotated on the side of the protective shell (1) via a damping shaft. The side of the sealing plate (8) is provided with multiple sets of sealing components, which are used to seal and protect multiple connecting shells (6). A positioning component is disposed between the insulating cylinder (2) and the protective shell (1) to position the sealing plate (8) when it is closed.

2. The charging port structure with improved service life according to claim 1, characterized in that, Each of the connecting components includes a pin (5) fixed to the side of the connecting housing (6), and a fixing slot matching the pin (5) is provided in the PCB circuit board (4), and the pin (5) and the PCB circuit board (4) are soldered together.

3. The charging port structure with improved service life according to claim 2, characterized in that, Each of the limiting components includes a clamp (7), which is fitted onto the surface of the connecting housing (6) and is used to limit the movement range of the multiple outer shell pieces.

4. The charging port structure with improved service life according to claim 3, characterized in that, Each of the limiting components also includes a limiting ring (3), which is fixed inside the insulating cylinder (2). The limiting ring (3) has a bevel and can perform the function of limiting and guiding the PIN pin.

5. The charging port structure with improved service life according to claim 4, characterized in that, The positioning component includes a matching groove (9) opened in the protective shell (1), a magnetic block (10) is fixed in the matching groove (9), and an iron piece (11) that matches the matching groove (9) is fixed on the side end of the sealing plate (8). The iron piece (11) and the magnetic block (10) are magnetically connected.

6. The charging port structure with improved service life according to claim 5, characterized in that, Each sealing assembly includes a slide cylinder (13) fixed to the side of the sealing plate (8), a sealing plug (12) sliding inside the slide cylinder (13), the sealing plug (12) and the port of the slide cylinder (13) being matched, and a sealing spring (14) fixed to the side of the sealing plug (12), the sealing spring (14) being fixed inside the slide cylinder (13).

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