Connector

Abstract

The utility model discloses a connector. The connector comprises a first connecting plug and a second connecting plug. The second connecting plug comprises a first insulating seat, and the first insulating seat is provided with a jack assembly. The first connecting plug comprises a second insulating seat, a plugging groove is formed in the second insulating seat, and a pin assembly is assembled at the bottom of the plugging groove; the first insulating seat is detachably installed in the plugging groove, and the pin assembly is connected with the jack assembly in a plugging manner. And a drainage structure is arranged in the inserting groove. The drainage structure arranged in the plug-in groove of the connector can drain water in the second plug-in head, the influence of accumulated water in the plug-in groove on the electric energy transmission function of the connector is prevented, a waterproof pad does not need to be additionally arranged, and the problem of waterproof failure caused by aging of the waterproof pad can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to connector technical field especially relates to a connector. BACKGROUND

[0002] The connector is used for connecting two active devices, comprising two plugs, which can transmit electrical signals and electrical energy between the two active devices after being connected.

[0003] When the connector is applied to some devices with outdoor use scenarios, such as electric bicycles and aircraft, the connector needs to be waterproof to avoid short circuit and other adverse phenomena caused by water accumulation in the plug. In the existing connector, a waterproof pad is usually added to prevent water from entering the plug, but the waterproof pad is prone to aging and failure, and the protection effect is not good. SUMMARY

[0004] The utility model embodiment provides a connector to solve the problem of poor waterproof effect of the existing connector.

[0005] The utility model embodiment provides a connector, comprising a first plug and a second plug.

[0006] The second plug comprises a first insulating seat, and a plug hole assembly is formed on the first insulating seat.

[0007] The first plug comprises a second insulating seat, and a plug-in slot is formed on the second insulating seat, and a plug pin assembly is assembled at the bottom of the plug-in slot.

[0008] The first insulating seat is detachably installed in the plug-in slot, and the plug pin assembly is plugged with the plug hole assembly.

[0009] A drainage structure is arranged in the plug-in slot.

[0010] Preferably, the drainage structure comprises a drainage hole formed on the inner side wall of the plug-in slot.

[0011] The drainage hole is arranged at the junction of the bottom of the plug-in slot and the inner side wall.

[0012] Preferably, the plug pin assembly comprises a PE plug pin, a signal plug pin and a power plug pin.

[0013] The plug hole assembly comprises a PE plug hole, a signal plug hole and a power plug hole.

[0014] The PE plug pin is used for corresponding plugging with the PE plug hole, the signal plug pin is used for corresponding plugging with the signal plug hole, and the power plug pin is used for corresponding plugging with the power plug hole.

[0015] Preferably, one end of the power plug pin is assembled with a protection piece against touching fingers.

[0016] Preferably, the protection piece against touching finger comprises a plug-in part and an insulation protection part extending from one end of the plug-in part;

[0017] One end of the power plug pin is provided with a mounting groove, the plug-in part is clamped in the mounting groove, and the insulation protection part extends out of the mounting groove.

[0018] Preferably, the length of the signal plug pin is less than the length of the PE plug pin.

[0019] Preferably, the diameter of the PE plug pin is 3-4mm; the diameter of the signal plug pin is 3-4mm; and the diameter of the power plug pin is 5-7mm.

[0020] Preferably, the jack comprises any one of a split slot jack, a rotary spring jack, a torsional spring jack and a stamping jack.

[0021] Preferably, the bottom of the plug-in groove is further provided with a positioning piece;

[0022] The first insulation seat is provided with a positioning groove for accommodating the positioning piece;

[0023] The plug pin assembly comprises two power plug pins, the positioning piece comprises a first positioning part arranged on one side of the two power plug pins and a second positioning part extending from the first positioning part, and the second positioning part is arranged between the two power plug pins.

[0024] Preferably, the first plug-in head further comprises a connecting flange extending from the outer wall of the second insulation seat in a direction perpendicular to the second insulation seat.

[0025] The utility model embodiment provides a connector, the drainage structure arranged in the plug-in groove of the connector can drain water in the second plug-in head, prevent the influence of accumulated water in the plug-in groove on the electric energy transmission function of the connector, need not add waterproof pad, and can avoid the waterproof failure problem caused by the aging of the waterproof pad. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will briefly introduce the drawings needed to be used in the description of the utility model embodiment. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.

[0027] Figure 1 It is the structure schematic view of the first plug-in head in the utility model embodiment;

[0028] Figure 2is a structural schematic view of the second plug connector in an embodiment of the utility model;

[0029] Figure 3 is a structural schematic view of the anti-touch-finger protection piece in an embodiment of the utility model.

[0030] In the drawing: 1, first plug connector;11, second insulating base;12, connecting flange;2, second plug connector;21, first insulating base;3, jack assembly;31, PE jack;32, signal jack;33, power jack;4, plug slot;5, pin assembly;51, PE pin;52, signal pin;53, power pin;531, mounting slot;6, drainage structure;7, anti-touch-finger protection piece;71, plug part;72, insulating protection part;8, positioning piece;81, first positioning part;82, second positioning part;9, positioning slot. DETAILED DESCRIPTION

[0031] In order to make the technical problem, technical scheme and beneficial effect solved by the utility model more clearly, the following will be further described in detail in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0032] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] The utility model discloses an embodiment provides a kind of connector, including first plug 1 and second plug 2;Second plug 2 includes first insulating seat 21, and first insulating seat 21 is equipped with jack assembly 3 on it;First plug 1 includes second insulating seat 11, and second insulating seat 11 is equipped with insertion slot 4 on it, and the bottom of insertion slot 4 is equipped with pin assembly 5;First insulating seat 21 can be detachably installed in insertion slot 4, and pin assembly 5 is inserted with jack assembly 3;Drainage structure 6 is provided in insertion slot 4.

[0035] As an example, the connector includes a first plug 1 and a second plug 2. The second plug 2 includes a first insulating seat 21, and the first insulating seat 21 is equipped with a jack assembly 3 inwardly from its end. The first plug 1 includes a second insulating seat 11, and the second insulating seat 11 is equipped with an insertion slot 4 inwardly from its end. The insertion slot 4 is equipped with a pin assembly 5. One end of the pin assembly 5 is connected with the bottom of the insertion slot 4, and the other end extends away from the bottom of the insertion slot 4. The first plug 1 is detachably connected with the second plug 2. When the first plug 1 and the second plug 2 are connected, the first insulating seat 21 is inserted in the insertion slot 4, and the pin assembly 5 is correspondingly inserted with the jack assembly 3. The insertion slot 4 is provided with a drainage structure 6. When the first insulating seat 21 is inserted with the insertion slot 4, the water in the insertion slot 4 can be drained along the drainage structure 6 to prevent the residual water in the insertion slot 4 from affecting the electrical energy transmission function of the connector.

[0036] In this example, by providing the drainage structure 6 in the insertion slot 4 of the connector, the water in the second plug 2 can be drained, preventing the accumulated water in the insertion slot 4 from affecting the electrical energy transmission function of the connector. Without adding a waterproof pad, the problem of waterproof failure caused by the aging of the waterproof pad can be avoided.

[0037] In an embodiment, the drainage structure 6 includes a drainage hole provided in the insertion slot 4. The drainage hole is arranged at the junction of the bottom and the inner side wall of the insertion slot 4.

[0038] As an example, the drainage structure 6 includes a drainage hole provided in the insertion slot 4. The drainage hole is arranged at the junction of the bottom and the inner side wall of the insertion slot 4, so that the accumulated water in the insertion slot 4 and the small amount of water droplets attached to the inner side wall and the bottom of the insertion slot 4 can be smoothly drained along the drainage hole. Furthermore, a drainage groove can also be provided at the inner side wall or the bottom of the insertion slot 4. One end of the drainage groove is connected with the drainage hole, and the other end extends away from the one end of the drainage hole. The depth of the drainage groove gradually decreases from the one end connected with the drainage hole, so as to collect the accumulated water in the insertion slot 4, and the water in the insertion slot 4 can flow out of the drainage hole along the drainage groove.

[0039] In an embodiment, the pin assembly 5 comprises PE pins 51, signal pins 52 and power pins 53; the jack assembly 3 comprises PE jacks 31, signal jacks 32 and power jacks 33; the PE pins 51 are used for corresponding insertion with the PE jacks 31, the signal pins 52 are used for corresponding insertion with the signal jacks 32, and the power pins 53 are used for corresponding insertion with the power jacks 33.

[0040] As an example, the pin assembly 5 comprises PE pins 51, signal pins 52 and two power pins 53; the jack assembly 3 comprises PE jacks 31, signal jacks 32 and two power jacks 33. When the first plug 1 is inserted with the second plug 2, the PE pins 51 are correspondingly inserted with the PE jacks 31 for grounding, the signal pins 52 are correspondingly inserted with the signal jacks 32 for transmitting charging signals, and the power pins 53 are correspondingly inserted with the power jacks 33 for carrying charging and discharging electric energy.

[0041] In an embodiment, the power pin 53 is provided with a finger protection piece 7 at one end thereof.

[0042] As an example, each power pin 53 is provided with a finger protection piece 7 at one end thereof away from the bottom of the insertion slot 4, and the finger protection piece 7 is used for insulation protection, so as to avoid the user from touching the metal part of the power pin 53 by mistake and to prevent electric shock.

[0043] In an embodiment, the finger protection piece 7 comprises an insertion part 71 and an insulation protection part 72 extending from one end of the insertion part 71; and the power pin 53 is provided with a mounting groove 531 at one end thereof, and the insertion part 71 is clamped in the mounting groove 531, and the insulation protection part 72 extends out of the mounting groove 531.

[0044] As an example, the finger protection piece 7 comprises an insertion part 71 and an insulation protection part 72 extending from one end of the insertion part 71. Each power pin 53 is provided with a mounting groove 531 at one end thereof away from the bottom of the insertion slot 4, and the mounting groove 531 is formed along the axial direction of the power pin 53; the insertion part 71 of the finger protection piece 7 is clamped in the mounting groove 531, and the insulation protection part 72 protrudes out of the mounting groove 531 and extends away from the end of the insertion slot 4. The outer diameter of the insulation protection part 72 is the same as that of the power pin 53. By using the clamping structure, the outer diameter of the power pin 53 can be prevented from being increased, and the insertion of the power pin 53 and the power jack 33 can be prevented from being affected.

[0045] In an embodiment, the length of the signal pin 52 is less than that of the PE pin 51.

[0046] As an example, the length of the signal pin 52 is less than the length of the PE pin 51, so when the first connector 1 is plugged with the second connector 2, the PE pin 51 is first connected with the PE jack 31 to make the grounding connection, and the signal pin 52 is plugged with the signal jack 32 after the PE pin 51 is connected, and when the first connector 1 is unplugged from the second connector 2, the signal pin 52 is first disconnected from the signal jack 32 to disconnect the charging signal connection, and the PE pin 51 is then disconnected from the PE jack 31 to disconnect the grounding, so that the charging signal can be disconnected first to stop charging when unplugging, and the grounding can be disconnected later, which can avoid live plugging and further improve the safety performance of the connector.

[0047] In an embodiment, the diameter of the PE pin 51 is 3-4 mm; the diameter of the signal pin 52 is 3-4 mm; and the diameter of the power pin 53 is 5-7 mm.

[0048] As an example, the diameter of the PE pin 51 is 3-4 mm, preferably 3 mm; the diameter of the signal pin 52 is 3-4 mm, preferably 3 mm; and the diameter of the power pin 53 is 5-7 mm, preferably 6 mm. The use of the pin assembly 5 with small diameter size can make the connector smaller in size and lighter in weight, which is convenient for arranging the charging position on small-sized electrical equipment such as electric bicycles and aircraft.

[0049] In an embodiment, the jack includes any one of a split slot jack, a rotary spring jack, a torsional spring jack, and a stamping jack.

[0050] As an example, the jack can be any one of a split slot jack, a rotary spring jack, a torsional spring jack, and a stamping jack, which contains an elastic fastening structure in the jack, such as a torsional and inclined spring leaf in the torsional spring jack. The elastic fastening structure can be elastically deformed when the pin assembly 5 is inserted and abut against the pin assembly 5, so that the contact between the pin assembly 5 and the jack is more compact, preventing poor contact.

[0051] In an embodiment, the bottom of the plug-in slot 4 is further provided with a positioning piece 8; the first insulating seat 21 is provided with a positioning groove 9 for accommodating the positioning piece 8; the pin assembly 5 includes two power pins 53; the positioning piece 8 includes a first positioning part 81 arranged on one side of the two power pins 53 and a second positioning part 82 extending from the first positioning part 81, and the second positioning part 82 is arranged between the two power pins 53.

[0052] As an example, the bottom of the plug-in slot 4 is further equipped with a positioning member 8; the first insulating seat 21 is provided with a positioning slot 9 for accommodating the positioning member 8. In the plug pin assembly 5, the PE plug pin 51, the signal plug pin 52 and the two power plug pins 53 are arranged at intervals, the positioning member 8 comprises a first positioning part 81 and a second positioning part 82 extending from the first positioning part 81, the first positioning part 81 is arranged on one side of the two power plug pins 53, and the two power plug pins 53 are separated from the PE plug pin 51 and the signal plug pin 52, and the second positioning part 82 is arranged between the two power plug pins 53 and used for separating the two power plug pins 53. By arranging the positioning member 8, the auxiliary positioning effect can be achieved when the first plug 1 is plugged with the second plug 2, and the positioning member 8 can also play a supporting role when being plugged with the positioning slot on the first insulating seat 21, so as to reduce the burden of the plug pin assembly 5 and avoid deformation of the plug pin assembly 5 due to compression in the radial direction.

[0053] In an embodiment, the first plug 1 further comprises a connecting flange 12 extending from the outer wall of the second insulating seat 11 in a direction perpendicular to the second insulating seat 11.

[0054] As an example, the first plug 1 further comprises a connecting flange 12 extending from the outer wall of the second insulating seat 11 in a direction perpendicular to the second insulating seat 11, the connecting flange 12 is provided with a connecting opening for accommodating a fastener such as a bolt to pass through, and the connecting flange 12 is connected with a first workpiece, so that the first plug 1 is assembled on the first workpiece. The first workpiece is an electrical equipment requiring installation of a connector, such as an electric bicycle and an aircraft.

[0055] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A connector characterized by comprising: The first plug-in connector and the second plug-in connector are included. The second plug-in connector includes a first insulating base, and a plurality of plug-in hole assemblies are arranged on the first insulating base. The first plug-in connector includes a second insulating base, and a plurality of plug-in slot assemblies are arranged on the second insulating base. The first insulating base is detachably arranged in the plug-in slot, and the plug-in pin assembly is plugged into the plug-in hole assembly. A drainage structure is arranged in the plug-in slot.

2. The connector of claim 1, wherein The drainage structure includes a plurality of drainage holes arranged on the inner side wall of the plug-in slot. The drainage holes are arranged at the junction of the bottom of the plug-in slot and the inner side wall.

3. The connector of claim 1, wherein The plug-in pin assembly includes a PE plug-in pin, a signal plug-in pin and a power plug-in pin. The plug-in hole assembly includes a PE plug-in hole, a signal plug-in hole and a power plug-in hole. The PE plug-in pin is used for corresponding plugging with the PE plug-in hole, the signal plug-in pin is used for corresponding plugging with the signal plug-in hole, and the power plug-in pin is used for corresponding plugging with the power plug-in hole.

4. The connector of claim 3, wherein One end of the power plug-in pin is provided with a protection piece against touching fingers.

5. The connector of claim 4, wherein, The protection piece against touching fingers includes a plug-in part and an insulating protection part extending from one end of the plug-in part. One end of the power plug-in pin is provided with a mounting slot, the plug-in part is clamped in the mounting slot, and the insulating protection part extends out of the mounting slot.

6. The connector of claim 3, wherein The length of the signal plug-in pin is less than the length of the PE plug-in pin.

7. The connector of claim 3, wherein The diameter of the PE plug-in pin is 3-4 mm, the diameter of the signal plug-in pin is 3-4 mm, and the diameter of the power plug-in pin is 5-7 mm.

8. The connector of claim 1, wherein The plug-in hole includes any one of a split slot plug-in hole, a rotary spring plug-in hole, a torsional spring plug-in hole and a stamping plug-in hole.

9. The connector of claim 1, wherein, The bottom of the plug-in slot is further provided with a positioning piece. The first insulating base is provided with a plurality of positioning grooves for accommodating the positioning piece. The plug-in pin assembly includes two power plug-in pins, the positioning piece includes a first positioning part arranged on one side of the two power plug-in pins and a second positioning part extending from the first positioning part, and the second positioning part is arranged between the two power plug-in pins.

10. The connector of claim 1, wherein The first plug-in connector further includes a connecting flange extending from the outer wall of the second insulating base in a direction perpendicular to the second insulating base.

Images