Electric connector

Abstract

The embodiment of the utility model provides an electric connector. The electric connector comprises a socket main body; the plurality of first plug connectors are arranged in the socket main body; the plug main body is clamped on the socket main body; the plurality of second plug connectors are arranged in the plug main body, and the second plug connectors are inserted into the corresponding first plug connectors; and the plurality of fusing terminals are arranged in the plug main body, the fusing terminals are detachably connected with fuses, and the end parts of the fuses are connected with the first plug connectors. The electric connector has the advantages that after the electric connector is damaged due to current overload, maintenance is convenient, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of connector structure, and particularly relates to an electric connector. BACKGROUND

[0002] In the connection of cables or the connection of high-voltage power supply and electrical equipment, a high-voltage connector is usually used.

[0003] In the prior art, the electric connector comprises a plug and a socket, the plug is provided with a second plug-in part, and the socket is provided with a first plug-in part; when connected, the second plug-in part on the plug is plugged into the first plug-in part in the socket, so that the quick connection between two cables or the power supply and the electrical equipment is realized.

[0004] However, when the electric current is overloaded, the electric connector is prone to damage, and after the electric connector is damaged, it is difficult to repair and usually needs to be replaced as a whole. CONTENT OF THE UTILITY MODEL

[0005] The electric connector provided by the embodiments of the present application solves the problem that after the electric connector is damaged due to the overload of the electric current, it is difficult to repair and usually needs to be replaced as a whole.

[0006] The electric connector provided by the embodiments of the present application solves the problem that after the electric connector is damaged due to the overload of the electric current, it is difficult to repair and usually needs to be replaced as a whole.

[0007] A plurality of first plug-in parts are arranged in the socket main body.

[0008] A plug main body is clamped to the socket main body.

[0009] A plurality of second plug-in parts are arranged in the plug main body, and the second plug-in parts are plugged into the corresponding first plug-in parts.

[0010] A plurality of fuse terminals are arranged in the plug main body, and a fuse is detachably connected to the fuse terminal, and an end of the fuse is connected with the first plug-in part.

[0011] In a possible implementation, the fuse comprises a plug-in part and a fuse part, the plug-in part is arranged at an end of the fuse part, the fuse part is plugged into the fuse terminal, and the plug-in part is connected with the first plug-in part.

[0012] In a possible implementation, the electric connector further comprises a limiting ring, the limiting ring is arranged in the plug main body and is detachably connected with the plug main body, the limiting ring passes through the plug-in part and abuts against the fuse part to fix the fuse part.

[0013] In a possible implementation, one of the limiting ring and the plug body is provided with a buckle, and the other is provided with a clamping groove, and the buckle is clamped in the clamping groove.

[0014] In a possible implementation, the limiting ring comprises a main body part and a limiting part, the buckle is arranged on the outer sidewall of the main body part, the limiting part is arranged at the end of the main body part, the limiting part abuts against the fuse part, a through hole is arranged on the limiting part, and the plug-in part extends into the main body part through the through hole, and the main body part and the plug-in part have a spacing for the first plug-in part to be plugged into the main body part.

[0015] In a possible implementation, the fuse terminal comprises a ring part and a connecting part, the ring part is arranged at the end of the connecting part, and the fuse part is plugged into the ring part, and the connecting part is used for connecting with an external wire.

[0016] In a possible implementation, a split is arranged on the sidewall of the ring part for expanding the diameter of the ring part, and the inner diameter of the ring part is equal to the diameter of the end of the fuse part, so that the ring part is tightly fitted with the fuse part.

[0017] In a possible implementation, a plurality of shielding inner rings are arranged in the plug body, and the shielding inner rings are used for sleeving on the conductors of the wire harness.

[0018] In a possible implementation, a plurality of shielding outer rings are arranged in the plug body, the shielding outer rings are sleeved on the corresponding shielding inner rings, and the shielding layer of the wire harness is clamped between the shielding outer rings and the shielding inner rings.

[0019] In a possible implementation, the electric connector further comprises a wire harness sealing ring, the wire harness sealing ring is used for sleeving on the wire harness and abutting against the plug body to seal the gap between the wire harness and the plug body.

[0020] The electric connector provided by the embodiments of the present application realizes the communication of the wires at both ends of the plug body and the socket body by arranging the second plug-in part and the fuse terminal on the plug body, arranging the fuse on the fuse terminal, and plugging the second plug-in part and the fuse into the first plug-in part on the socket body. When the current flowing through the electric connector is overloaded, the fuse is fused to play an overload protection effect, reduce the damage of the overload to the electric connector, and the fuse is detachably connected to the plug body. After the fuse is fused, only the fuse needs to be replaced, which is simple and fast, is conducive to the maintenance of the electric connector, and does not need to replace the electric connector as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings, which are incorporated herein and constitute part of this specification, illustrate embodiments consistent with the application and, together with the description, further serve to explain the principles of the application.

[0022] Figure 1 An exploded structural schematic view of a plug body portion of an electrical connector provided herein;

[0023] Figure 2 An exploded structural schematic view of a receptacle body portion of an electrical connector provided herein;

[0024] Figure 3 An exploded structural schematic view of a plug body portion of an electrical connector provided herein; Figure 1 A partial sectional view of the plug body.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 100, receptacle body; 200, first plug-in member; 300, plug body; 310, clamping groove; 320, tail cover; 400, second plug-in member; 500, fuse terminal; 510, fuse; 511, plug-in portion; 512, fusing portion; 520, annular portion; 530, connecting portion; 600, limiting ring; 610, clasp; 620, body portion; 630, limiting portion; 631, through hole; 700, shielding inner ring; 800, shielding outer ring; 900, wire harness sealing ring.

[0027] The specific embodiments of the application have been shown by way of example in the above-described figures, and will be described in more detail hereafter. These drawings and description are not meant to restrict the scope of the inventive concept in any way but merely to illustrate the inventive concept to a person skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0028] The exemplary embodiments will be described in detail herein with reference to the attached drawings. The description of the exemplary embodiments is intended to apply to various alternative embodiments of the application. The following description of exemplary embodiments is only representative of such embodiments and is not intended to limit the scope, applicability or configuration of the application in any way. Rather, the subsequent description is provided as an enabling teaching of embodiments of the application in conjunction with the drawings and no unnecessary limitations of the application are intended by concealment herein. Therefore, the description of exemplary embodiments is intended to be illustrative, but not restrictive, of the scope, applicability or configuration of the application.

[0029] It should be noted that the terms "first", "second", and the like, do not denote any order, quantity, combination, or importance, but are used to identify one element from another. Thus, a "first" and / or "second" feature can include one or more such features unless otherwise indicated. In the description of the embodiments, the meaning of "a plurality" is at least two, for example, two, three, etc., unless otherwise specifically defined.

[0030] In this application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection or communication with each other; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0031] In this application, unless otherwise clearly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0032] In the prior art, the electrical connector includes a plug and a socket, the plug is provided with a second plug-in part, and the socket is provided with a first plug-in part. When connected, the second plug-in part on the plug is plugged into the first plug-in part in the socket, so as to realize the quick connection between two cables or power supply and electrical equipment.

[0033] However, when the electrical connector is overloaded, the electrical connector is prone to damage. After the electrical connector is damaged, it is difficult to repair and usually needs to be replaced entirely.

[0034] The electrical connector provided in the application sets the second plug-in part and the fuse terminal on the plug main body, sets the fuse on the fuse terminal, and plugs the second plug-in part and the fuse into the first plug-in part on the corresponding socket main body, so as to realize the communication of the wires at both ends of the plug main body and the socket main body. When the current flowing through the electrical connector is overloaded, the fuse will be fused to achieve the effect of overload protection, reduce the damage of overload to the electrical connector, and the fuse is detachably connected to the plug main body. After the fuse is fused, only the fuse needs to be replaced, which is simple and fast, is conducive to the maintenance of the electrical connector, does not need to replace the electrical connector as a whole, and reduces the maintenance cost.

[0035] The technical solutions of the application and how the technical solutions of the application solve the above technical problems will be described in detail in the specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes can not be described in detail in some embodiments. The embodiments of the application will be described below with reference to the drawings.

[0036] The embodiment of the present application provides an electric connector, referring to Figure 1 and Figure 2 The electric connector comprises a socket body 100;

[0037] A plurality of first plug-in parts 200 are arranged in the socket body 100;

[0038] A plug-in body 300 is clamped to the socket body 100;

[0039] A plurality of second plug-in parts 400 are arranged in the plug-in body 300, and the second plug-in parts 400 are plugged into the corresponding first plug-in parts 200;

[0040] A plurality of fuse terminals 500 are arranged in the plug-in body 300, and a fuse 510 is detachably connected to the fuse terminal 500, and the end of the fuse 510 is connected with the first plug-in part 200.

[0041] In the present application, the connection of the high-voltage direct-current circuit is taken as an example, the fuse terminal 500 is connected with the positive pole in the circuit, and the second plug-in part 400 is connected with the negative pole in the circuit.

[0042] Exemplarily, the first plug-in part 200 is a female terminal, and the second plug-in part 400 is a male terminal, and the second plug-in part 400 is plugged into the corresponding first plug-in part 200, so that the plug-in body 300 and the socket body 100 are communicated with the wires at two ends. In addition, the first plug-in part 200 can also be arranged as a male terminal, and the second plug-in part can be arranged as a female terminal, which will not be described in detail here.

[0043] On the basis of meeting the conventional high-voltage small-current connection, the high-voltage circuit overcurrent fuse protection function is integrated, and the overcurrent protection capability is improved. The fuse 510 is arranged in the plug-in body 300, the high-voltage distribution box and the high-voltage switching circuit are reduced, the replacement operation of the fuse 510 can be performed at the wire harness end with higher freedom, and the problem that the fuse 510 is difficult to replace when the installation position of the socket body 100 is special is avoided, and the convenience of the maintenance process is improved.

[0044] In addition, in a specific case, when the fuse 510 damages the nearby parts in the fusing process, the plug-in body with the fuse 510 can be replaced as a whole, without the need of repairing the socket body, and the complex operation of disassembling the equipment panel and replacing the socket body when the socket body is installed on the equipment is reduced.

[0045] Exemplarily, the socket body 100 and the plug-in body 300 are plastic parts, so that the protection effect is improved and the possibility of electric leakage is reduced.

[0046] In a possible implementation, the fuse 510 includes a plug-in part 511 and a fuse part 512, the plug-in part 511 is arranged at an end of the fuse part 512, the fuse part 512 is plugged into the fuse terminal 500, and the plug-in part 511 is connected with the first plug-in part 200.

[0047] In other implementations, the electric connector can also be applied to cable connection or electric appliance connection under a normal voltage. In addition, the second plug-in part 400 can be removed and replaced with a plurality of fuse terminals 500 according to the characteristics of the connection circuit.

[0048] Specifically, the plug-in part 511 is a conductor, the fuse part 512 is a conventional fuse 510, has a fuse wire inside, and both ends are conductors, the plug-in part 511 is fixed at one end of the fuse part 512, the plug-in part 511 is used to be plugged into the first plug-in part 200, and the end of the fuse part 512 away from the plug-in part 511 is plugged into the fuse terminal 500 to conduct the wires at both ends of the socket body and the plug body.

[0049] In a possible implementation, the electric connector further includes a limiting ring 600, the limiting ring 600 is arranged in the plug body 300 and detachably connected with the plug body 300, and the limiting ring 600 passes through the plug-in part 511 and abuts against the fuse part 512 to fix the fuse part 512.

[0050] The limiting ring 600 is in a ring structure, the limiting ring 600 is a plastic ring, the limiting ring 600 is sleeved on the plug-in part 511 and abuts against the fuse part 512 while being detachably connected with the plug body 300, so as to fix the fuse 510, and the fuse 510 can be taken out only by taking out the limiting ring, so that the replacement of the fuse 510 is simple and fast, the maintenance efficiency is improved, and the connector does not need to be replaced as a whole, thereby reducing the maintenance cost.

[0051] In a possible implementation, referring to Figure 1 and Figure 3 , one of the limiting ring 600 and the plug body is provided with a buckle 610, and the other is provided with a clamping groove 310, and the buckle 610 is clamped in the clamping groove 310.

[0052] In the embodiments of the present application, the buckle 610 is arranged on the limiting ring 600, and in other implementations, the buckle 610 can also be arranged on the plug body 300.

[0053] Further, the limiting ring 600 comprises a main body part 620 and a limiting part 630, the buckle 610 is arranged on the outer side wall of the main body part 620, and the limiting part 630 is arranged at the end of the main body part 620. The limiting part 630 is in abutment with the fusing part 512, and a through hole 631 is arranged on the limiting part 630. The insertion part 511 extends into the main body part 620 through the through hole 631, and the main body part 620 has a spacing with the insertion part 511, so that the first insertion part 200 is inserted into the main body part 620.

[0054] The main body part 620 and the limiting part 630 are integrally formed, the limiting part 630 is located at the end of the main body part 620 and connected with the inner side wall of the main body part 620. The limiting part 630 is a circular ring, and a hole is arranged in the center of the limiting part 630 for the insertion part 511 to pass through. The insertion part 511 of the fuse 510 extends into the main body part 620 through the limiting part 630, and the limiting part 630 is in abutment with the end of the fusing part 512 to fix the fuse 510. The buckle 610 is arranged on the outer side wall of the main body part 620, and the buckle 610 and the main body part 620 are integrally formed and are both plastic parts. When the buckle 610 is clamped into the clamping groove 310, the limiting part 630 is in abutment with the fusing part 512 to tightly fix the fuse 510. When the fuse 510 needs to be replaced, the buckle 610 is only needed to be shaken off, and the buckle 610 and the fuse 510 are removed together for replacement, which is simple and fast.

[0055] In a possible implementation, the fusing terminal 500 comprises a ring part 520 and a connecting part 530, the ring part 520 is arranged at the end of the connecting part 530, and the fusing part 512 is inserted into the ring part 520. The connecting part 530 is used for connecting with the external wire.

[0056] The ring part 520 and the connecting part 530 are both conductors, and the ring part 520 and the connecting part 530 are integrally formed. The fusing part 512 is inserted into the ring part 520 to realize the connection between the fuse 510 and the fusing terminal 500, and the connecting part 530 is used for communicating with the wire at the end of the plug body.

[0057] In a possible implementation, referring to Figure 1 and Figure 3 , a break joint is arranged on the side wall of the ring part 520 to expand the diameter of the ring part 520. The inner diameter of the ring part 520 is equal to the diameter of the end of the fusing part 512, so that the ring part 520 is tightly fitted with the fusing part 512.

[0058] The inner diameter of the annular part 520 is equal to or smaller than the diameter of the end of the fuse part 512. When the fuse part 512 is inserted into the annular part 520, the annular part 520 is expanded at the breakage gap by the fuse part 512, so that the annular part 520 is tightly fitted with the fuse part 512, thereby improving the interception effect and avoiding damage caused by improper connection.

[0059] Further, a plurality of through grooves are uniformly arranged on the side wall of the annular part 520, so that the annular part 520 has a cage shape, thereby improving the deformation ability of the annular part 520 and making the annular part 520 more tightly fitted with the fuse part 512.

[0060] In a possible implementation, a plurality of shielded inner rings 700 are arranged in the plug body 300, and the shielded inner rings 700 are arranged on the conductors of the wire harness.

[0061] Further, a plurality of shielded outer rings 800 are arranged in the plug body 300, and the shielded outer rings 800 are arranged on the corresponding shielded inner rings 700, so as to clamp the shielding layer of the wire harness between the shielded outer rings 800 and the shielded inner rings 700.

[0062] The shielding layer of the wire harness is arranged between the shielded outer rings 800 and the shielded inner rings 700 and is connected in the form of crimping, and the shielded outer rings 800 are connected with the shielded cover in the plug body 300, thereby forming shielding of the wire harness connection.

[0063] In a possible implementation, the electrical connector further comprises a wire harness sealing ring 900, which is arranged on the wire harness and abuts against the plug body 300 to seal the gap between the wire harness and the plug body 300.

[0064] The wire harness sealing ring 900 is a rubber ring, which is arranged on the wire harness and abuts against the plug body 300, so that the wire harness sealing ring 900 and the shielded outer ring 800 form air-tight and waterproof of the whole electrical connector.

[0065] The end of the plug body 300 is further clamped with a tail cover 320, the wire harness extends into the plug body 300 through the tail cover 320, and the tail cover 320 abuts against the wire harness sealing ring 900 to keep the wire harness sealing ring 900 fixed and tight.

[0066] Referring to Figure 2 , the socket body 100 is fixed on the equipment or installation position by bolts. The first plug-in part 200 is connected with the circuit wire of the equipment or installation position by crimping and is then inserted and fixed into the socket body 100. In the present application, the first plug-in part 200 is provided as two, which are adapted with the second plug-in part 400 and the fuse terminal 500 respectively. The two first plug-in parts 200 have plastic limiting sheets therebetween to limit the distance between the two first plug-in parts 200.

[0067] The electric connector provided by the embodiment of the present application realizes the communication of the wires at both ends of the plug main body 300 and the socket main body 100 by arranging the second plug-in part 400 and the fuse terminal 500 on the plug main body 300, arranging the fuse 510 on the fuse terminal 500, and respectively plugging the second plug-in part 400 and the fuse 510 into the first plug-in part 200 on the corresponding socket main body 100. When the current flowing through the electric connector is overloaded, the fuse 510 will be fused to play the effect of overload protection, reduce the damage of the overload to the electric connector, and the fuse 510 is detachably connected to the plug main body 300. After the fuse 510 is fused, only the fuse 510 needs to be replaced, which is simple and fast, is beneficial to the maintenance of the electric connector, and reduces the maintenance cost.

[0068] It should be understood, however, that the scope of the present application is not limited to the precise details of description and structure shown herein and that various modifications and changes can be made by those skilled in the art which fall within the scope of the present application as defined by the appended claims.

Claims

1. An electrical connector, characterized in that, include: Socket body (100); Multiple first plug-in components (200) are disposed within the socket body (100); A plug body (300) is snapped onto the socket body (100); Multiple second connectors (400) are disposed within the plug body (300) and are inserted into corresponding first connectors (200); Multiple fuse terminals (500) are disposed within the plug body (300). A fuse (510) is detachably connected to each fuse terminal (500), and the end of the fuse (510) is connected to the first plug (200).

2. The electrical connector according to claim 1, characterized in that, The fuse (510) includes a plug-in portion (511) and a fuse portion (512). The plug-in portion (511) is disposed at the end of the fuse portion (512). The fuse portion (512) is plugged into the fuse terminal (500). The plug-in portion (511) is connected to the first plug-in member (200).

3. The electrical connector according to claim 2, characterized in that, It also includes a limiting ring (600), which is disposed inside the plug body (300) and detachably connected to the plug body (300). The limiting ring (600) passes through the plug portion (511) and abuts against the fuse portion (512) to fix the fuse portion (512).

4. The electrical connector according to claim 3, characterized in that, One of the limiting ring (600) and the plug body (300) is provided with a buckle (610), and the other is provided with a slot (310), and the buckle (610) is engaged in the slot (310).

5. The electrical connector according to claim 4, characterized in that, The limiting ring (600) includes a main body (620) and a limiting part (630). The buckle (610) is disposed on the outer side wall of the main body (620). The limiting part (630) is disposed at the end of the main body (620). The limiting part (630) abuts against the fusible part (512). A through hole (631) is provided on the limiting part (630). The insertion part (511) extends through the through hole (631) into the main body (620). There is a gap between the main body (620) and the insertion part (511) so that the first insertion member (200) can be inserted into the main body (620).

6. The electrical connector according to claim 2, characterized in that, The fuse terminal (500) includes an annular portion (520) and a connecting portion (530). The annular portion (520) is disposed at the end of the connecting portion (530). The fuse portion (512) is inserted into the annular portion (520). The connecting portion (530) is used to connect to an external wire.

7. The electrical connector according to claim 6, characterized in that, The annular portion (520) has a slit on its sidewall to expand the diameter of the annular portion (520). The inner diameter of the annular portion (520) is equal to the diameter of the end of the fused portion (512) so that the annular portion (520) and the fused portion (512) fit tightly together.

8. The electrical connector according to any one of claims 1-7, characterized in that, The plug body (300) is provided with a plurality of shielding inner rings (700), which are used to be sleeved on the conductor of the wire harness.

9. The electrical connector according to claim 8, characterized in that, The plug body (300) is provided with a plurality of shielding outer rings (800), which are sleeved on the corresponding shielding inner rings (700) to sandwich the shielding layer of the wire harness between the shielding outer rings (800) and the shielding inner rings (700).

10. The electrical connector according to any one of claims 1-7, characterized in that, It also includes a wire harness sealing ring (900), which is used to be sleeved on the wire harness and abut against the plug body (300) to seal the gap between the wire harness and the plug body (300).

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