Wire harness connector

Abstract

The utility model relates to the technical field of vehicle-mounted electric connection, in particular to a wire harness connector, which comprises a plastic shell, an inner shell, an insulator, an electric connection terminal, a connecting wire harness and a fixing piece, a plug and a fixing part arranged at one end of the plug are arranged in the plastic shell, the plug is provided with a slot, and one end of the slot penetrates to the fixing part; the inner shell is a metal shell and is arranged in the inner slot, and a wire clamp extends from one side, facing the fixing part, of the inner shell; the insulator is arranged in the inner shell, the insulator is provided with a terminal assembling groove, and one end of the terminal assembling groove penetrates through the insulator; one end of the power connection terminal is inserted into the insulator, and the other end extends towards the wire clamp; the fixing piece is installed on the fixing part and used for fixing the connecting wire harness to the fixing part. The whole structure is stable and reliable, and the connector is stable in plugging and use. The problem that an existing connector is insufficient in stability is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted electrical connection, in particular to a wiring harness connector. Background Art

[0002] The vehicle connector is an electronic component used to connect the internal and external devices of the vehicle. With the rapid development of the automobile industry. With the trend of automobile intelligence and networking, the number and types of vehicle connectors are also increasing. For example, in-vehicle entertainment systems, camera systems, navigation systems, automatic driving systems, etc. all require vehicle connectors to realize data transmission and power supply between devices. As an important part of the driving assistance system, the connector of the vehicle camera is also constantly evolving and improving. Higher requirements are put forward for the vehicle camera connector, which needs to have the characteristics of low power consumption and high efficiency.

[0003] In the prior art, the Chinese patent application number is: CN201921849878.7, which discloses a HSL line end straight head multi-position connector, which uses multiple connection terminals to realize plug-in conductive transmission of data, and has good transmission effect. At the same time, a shielding shell is also provided to shield electromagnetic interference, enhance the shielding effect and the stability of data transmission. However, in actual use, due to design reasons, the overall structure is prone to poor stability during cyclic plug-in and unplug use. Therefore, it is necessary to improve the existing connector structure. Utility Model Content

[0004] In order to solve the above problems, the utility model has a stable and reliable overall structure, and the connector is stable when plugged in. The utility model solves the problem of insufficient stability of the existing connectors.

[0005] The technical solution adopted by the utility model is: a wiring harness connector, including a plastic shell, an inner shell, an insulator, an electrical terminal, a connecting wire harness and a fixing piece, wherein a plug and a fixing part arranged at one end of the plug are arranged in the plastic shell, the plug is provided with a slot, one end of the slot passes through the fixing part; the inner shell is a metal shell, and is arranged in the inner slot, and a wire clamp extends from the inner shell toward the side of the fixing part; the insulator is arranged inside the inner shell, the insulator is provided with a terminal assembly groove, one end of the terminal assembly groove passes through the insulator; one end of the electrical terminal is inserted into the insulator, and the other end extends toward the wire clamp; one end of the connecting wire harness extends into the fixing part and is connected to the electrical terminal, and the wire clamp is used to clamp and fix the connecting wire harness; the fixing piece is installed in the fixing part and is used to fix the connecting wire harness to the fixing part.

[0006] A further improvement to the above scheme is that a pressing spring sheet is provided at the top of the plug, and a plug-in buckle is provided on the pressing spring sheet; vertical plates are provided on both sides of the pressing spring sheet of the plug, and a spacing groove is provided between the vertical plates and the pressing spring sheet.

[0007] A further improvement to the above scheme is that a plug-in guide strip is provided on a side of the plug facing away from the pressing spring sheet; a plug-in guide groove is provided on the lower side of the vertical plate of the plug, and one side of the plug-in guide groove is connected to the slot so that the inner shell is exposed.

[0008] A further improvement to the above scheme is that the wall surface of the slot is provided with a retreat-stop groove and a forward-stop groove, and the inner shell is provided with a retreat-stop buckle and a forward-stop buckle, the retreat-stop buckle is used to fit in the retreat-stop groove, and the forward-stop buckle is used to fit in the forward-stop groove.

[0009] A further improvement to the above scheme is that the slot is provided with assembly slots on both sides of the fixing part, and assembly buckles are provided on both sides of the fixing member. The fixing member is assembled in the assembly slots through the assembly buckles to fix the connecting harness.

[0010] A further improvement to the above scheme is that the inner shell includes a lower shell and an upper shell, one side of the upper shell covers one side of the lower shell, the lower shell is provided with a shell slot, the upper shell is provided with a shell buckle, the shell buckle is used to buckle on the shell slot, a fixing groove is provided between the lower shell and the upper shell, the insulator is provided with a fixing platform, and the fixing groove is used to fix the fixing platform.

[0011] A further improvement to the above solution is that the lower shell is provided with an abutting spring sheet, the insulator is provided with a stop step, and one end of the abutting spring sheet abuts on the stop step.

[0012] A further improvement to the above scheme is that a limiting step is provided at the front end of the terminal assembly groove, and a limiting groove is provided at the rear end, the limiting step is used to limit one end of the power terminal, the power terminal is provided with a limiting buckle, and one end of the limiting buckle is clamped in the limiting groove.

[0013] A further improvement to the above solution is that the power terminal comprises an insertion end, an elastic contact end and a wiring end, and the insertion end, the elastic contact end and the wiring end are arranged in sequence and formed by integral stamping.

[0014] A further improvement to the above solution is that the insertion end is formed by two symmetrically arranged insertion spring sheets, the elastic contact end is formed by at least two contact spring sheets, and contact convex strips are arranged on the lower sides of the insertion end and the elastic contact end.

[0015] The beneficial effects of the utility model are:

[0016] Compared with the existing wiring harness connector, the utility model fixes the insulator through the metal inner shell, inserts the power terminal into the insulator, and then assembles the metal inner shell into the slot, and finally fixes the connecting wire harness connected to the power terminal through the fixing piece. The overall structure is stable and reliable, and the connector is stable in use. The problem of insufficient stability of the existing connector is solved.

[0017] The wiring harness connector of the utility model adopts a plastic shell and an inner shell structure, and realizes a reliable electrical connection through the design of a plug and a slot. The penetration of the plug slot and the fixed part allows the internal structure to be assembled in a through-type manner, ensuring stability and reliability. The inner shell adopts a metal shell, and a wire clamp is provided on one side facing the fixed part. This design can provide good conductive performance and ensure the stability and reliability of current transmission.

[0018] The insulator is arranged inside the inner shell body, and the presence of the insulator can effectively isolate the current, provide insulation protection, and prevent problems such as current leakage and short circuit. The power terminal is inserted into the insulator, and the other end extends toward the wire clamp, which makes it easy to install and wire. One end of the connecting wire harness extends into the fixing part and is connected to the power terminal, and the wire clamp is used to clamp and fix the connecting wire harness. This design makes the installation and removal of the wire harness easier and faster. The fixing part is installed in the fixing part and is used to fix the connecting wire harness to the fixing part. By setting the fixing part, the connecting wire harness can be firmly fixed to prevent it from loosening or falling off, thereby improving the reliability and stability of the connection. The utility model has technical effects such as reliable connectivity, excellent conductivity, insulation protection function, convenient installation and removal, and stable fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the wiring harness connector of the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the main view of the center wiring harness connector;

[0021] Figure 3 for Figure 2 Sectional view of AA in the middle;

[0022] Figure 4 for Figure 1 Exploded view of the center harness connector;

[0023] Figure 5 for Figure 1 Schematic diagram of the internal structure of the central wiring harness connector;

[0024] Figure 6 for Figure 1 Schematic diagram of the structure of the power terminals of the center wiring harness connector.

[0025] Description of reference numerals: plastic shell 1, plug 11, pressing spring 111, plug buckle 112, vertical plate 113, plug guide strip 114, plug guide groove 115, fixing portion 12, slot 13, stop groove 131, front stop groove 132, assembly slot 133;

[0026] Inner housing 2, wire clamp 21, stop buckle 22, forward stop buckle 23, lower housing 24, outer housing slot 241, outer housing buckle 242, fixing slot 243, abutting spring sheet 244, upper housing 25;

[0027] Insulator 3, terminal assembly groove 31, limiting step 311, limiting groove 312, stop step 32, fixing platform 33;

[0028] Power terminal 4, limit buckle 41, insertion end 42, elastic contact end 43, connection end 44;

[0029] Connecting harness 5; fixing piece 6, assembly buckle 61. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0033] like Figure 1 to Figure 6As shown, in one embodiment of the utility model, a wiring harness connector is involved, including a plastic shell 1, an inner shell 2, an insulator 3, an electrical terminal 4, a connecting wire harness 5 and a fixing member 6, wherein a plug 11 and a fixing portion 12 arranged at one end of the plug 11 are arranged in the plastic shell 1, and the plug 11 is provided with a slot 13, and one end of the slot 13 passes through the fixing portion 12; the inner shell 2 is a metal shell, and is arranged in the inner slot 13, and a wire clamp 21 extends from the inner shell 2 to the side of the fixing portion 12; the insulator 3 is arranged inside the inner shell 2, and the insulator 3 is provided with a terminal assembly groove 31, and one end of the terminal assembly groove 31 passes through the insulator 3; one end of the electrical terminal 4 is inserted into the insulator 3, and the other end extends toward the wire clamp 21; one end of the connecting wire harness 5 extends into the fixing portion 12 and is connected to the electrical terminal 4, and the wire clamp 21 is used to clamp and fix the connecting wire harness 5; the fixing member 6 is installed in the fixing portion 12 and is used to fix the connecting wire harness 5 to the fixing portion 12. In this embodiment, the insulator 3 is fixed by the metal inner housing 2, and the power terminal 4 is inserted into the insulator 3, and then the metal inner housing 2 is assembled into the slot 13, and finally the connection harness 5 connected to the power terminal 4 is fixed by the fixing member 6, so that the overall structure is stable and reliable, and the connector is stable in use. The problem of insufficient stability of the existing connector is solved.

[0034] The wiring harness connector of this embodiment adopts a structure of a plastic shell 1 and an inner shell 2, and realizes a reliable electrical connection through the design of a plug 11 and a slot 13. The penetration of the slot 13 of the plug 11 and the fixing part 12 allows the internal structure to be assembled in a through-type manner, ensuring stability and reliability. The inner shell 2 adopts a metal shell, and is provided with a wire clamp 21 on one side facing the fixing part 12. This design can provide good conductive performance and ensure the stability and reliability of current transmission.

[0035] In another embodiment, the insulator 3 is arranged inside the inner shell 2, and the presence of the insulator 3 can effectively isolate the current, provide insulation protection, and prevent problems such as current leakage and short circuit. The power terminal 4 is inserted into the insulator 3, and the other end extends toward the wire clamp 21, so that installation and wiring can be conveniently performed. One end of the connecting wire harness 5 extends into the fixing portion 12 and is connected to the power terminal 4, and the wire clamp 21 is used to clamp and fix the connecting wire harness 5. This design makes the installation and removal of the wire harness easier and faster. The fixing member 6 is installed in the fixing portion 12 and is used to fix the connecting wire harness 5 to the fixing portion 12. By setting the fixing member 6, the connecting wire harness 5 can be firmly fixed to prevent it from loosening or falling off, thereby improving the reliability and stability of the connection. The utility model has technical effects such as reliable connectivity, excellent conductivity, insulation protection function, convenient installation and removal, and stable fixation.

[0036] See also Figure 4As shown, a pressing spring sheet 111 is provided at the top of the plug 11, and a plug-in buckle 112 is provided on the pressing spring sheet 111; vertical plates 113 are provided on both sides of the pressing spring sheet 111 of the plug 11, and a spacing groove is provided between the vertical plates 113 and the pressing spring sheet 111. Specifically, a plug-in guide strip 114 is provided on the side of the plug 11 opposite to the pressing spring sheet 111; a plug-in guide groove 115 is provided on the lower side of the vertical plate 113 of the plug 11, and one side of the plug-in guide groove 115 is connected to the slot 13 so that the inner shell 2 is exposed. In this embodiment, a pressing spring sheet 111 and a plug-in buckle 112 are provided at the top of the plug 11. The pressing spring sheet 111 can make the plug 11 and the connector plug and unplug by pressing, providing a convenient and quick plug-in and unplugging method. The plug-in buckle 112 can lock the plug 11 after the plug 11 is inserted into the connector to ensure the firmness of the connection. The plug 11 is provided with vertical plates 113 on both sides of the pressing spring sheet 111, and a spacing groove is provided between the pressing spring sheet 111. This design can provide accurate guiding effect, ensure the accurate positioning of the plug 11 when inserted into the connector, and prevent the plug 11 from being deflected or inserted upside down. The side of the plug 11 facing away from the pressing spring sheet 111 is provided with a plug-in guide strip 114, and the plug 11 is provided with a plug-in guide groove 115 on the lower side of the vertical plate 113. This design can ensure that the plug 11 matches the corresponding position of the inner shell 2 when inserted into the connector, thereby achieving a reliable plug-in connection. One side of the plug-in guide groove 115 is connected to the slot 13, so that the inner shell 2 is exposed, so that the opposite connector and the inner shell 2 are in stable contact and conduct electricity.

[0037] The wall surface of the slot 13 is provided with a stop groove 131 and a stop groove 132, and the inner shell 2 is provided with a stop buckle 22 and a stop buckle 23, and the stop buckle 22 is used to fit in the stop groove 131, and the stop buckle 23 is used to fit in the stop groove 132. In this embodiment, the wall surface of the slot 13 is provided with a stop groove 131 and a stop groove 132, and the inner shell 2 is provided with a stop buckle 22 and a stop buckle 23. The stop buckle 22 fits in the stop groove 131, and the stop buckle 23 fits in the stop groove 132. This design can effectively prevent the plug 11 from retreating and advancing in the connector, and ensure a stable plug connection between the plug 11 and the connector. The setting of the stop groove 131 and the stop groove 132 and the cooperation of the stop buckle 22 and the stop buckle 23 enable the plug 11 to have a clear stop position when inserted into the connector. This can reduce errors during the plugging process, ensure that the plug 11 is correctly inserted into the predetermined position, and improve the accuracy and stability of the plugging.

[0038] The slot 13 is provided with assembly slots 133 on both sides of the fixing portion 12, and assembly buckles 61 are provided on both sides of the fixing member 6. The fixing member 6 is assembled in the assembly slots 133 through the assembly buckles 61 to fix the connection harness 5. In this embodiment, the slot 13 is provided with assembly slots 133 on both sides of the fixing portion 12, and assembly buckles 61 are provided on both sides of the fixing member 6. The fixing member 6 is assembled in the assembly slots 133 through the assembly buckles 61, thereby achieving a stable fixation of the connection harness 5. This design can prevent the harness from loosening or falling off during use, and ensure the reliability and stability of the connection.

[0039] See also Figure 5 As shown, the inner shell 2 includes a lower shell 24 and an upper shell 25, one side of the upper shell 25 covers one side of the lower shell 24, the lower shell 24 is provided with a shell slot 241, the upper shell 25 is provided with a shell buckle 242, the shell buckle 242 is used to buckle on the shell slot 241, a fixing groove 243 is provided between the lower shell 24 and the upper shell 25, the insulator 3 is provided with a fixing platform, and the fixing groove 243 is used to fix the fixing platform. Specifically, the lower shell 24 is provided with an abutting spring sheet 244, the insulator 3 is provided with a stop step 32, and one end of the abutting spring sheet 244 abuts on the stop step 32. In this embodiment, the inner shell 2 is composed of a lower shell 24 and an upper shell 25, one side of the upper shell 25 covers one side of the lower shell 24. The lower shell 24 is provided with a shell slot 241, and the upper shell 25 is provided with a shell buckle 242, and the shell buckle 242 is used to buckle on the shell slot 241. This design makes the shell assembly more stable and prevents the shell from loosening or falling off during use. A fixing groove 243 is provided between the lower shell 24 and the upper shell 25, and the insulator 3 is provided with a fixing platform 33. The fixing groove 243 is used to fix the fixing platform 33 to ensure that the position of the insulator 3 in the connector is stable. In this way, the insulator 3 can be prevented from shifting or loosening during use, thereby improving the reliability and safety of the connector. The lower shell 24 is provided with an abutting spring sheet 244, and the insulator 3 is provided with a stop step 32. One end of the abutting spring sheet 244 abuts on the stop step 32. This design can effectively realize the stop function and prevent the plug 11 from retreating in the connector. The cooperation between the abutting spring sheet 244 and the stop step 32 provides a reliable stop force to maintain a stable connection between the plug 11 and the connector.

[0040] The front end of the terminal assembly groove 31 is provided with a limiting step 311, and the rear end is provided with a limiting groove 312. The limiting step 311 is used to limit one end of the power terminal 4. The power terminal 4 is provided with a limiting buckle 41, and one end of the limiting buckle 41 is clamped in the limiting groove 312. In this embodiment, the front end of the terminal assembly groove 31 is provided with a limiting step 311, and the rear end is provided with a limiting groove 312. This design can provide an accurate limiting effect to ensure the correct position of the power terminal 4 in the assembly groove. The limiting step 311 is used to limit the position of one end of the power terminal 4, and the limiting groove 312 cooperates with the limiting buckle 41 of the power terminal 4 to ensure the stable installation of the power terminal 4. The power terminal 4 is provided with a limiting buckle 41, and one end of the limiting buckle 41 is clamped in the limiting groove 312. Through the cooperation of the limiting buckle 41 and the limiting groove 312, the firm connection of the power terminal 4 can be achieved. This design ensures the stable position of the power terminal 4 in the connector, prevents it from loosening or falling off during use, and improves the reliability and safety of the connector.

[0041] See also Figure 6 As shown, the electrical terminal 4 includes an insertion end 42, an elastic contact end 43 and a wiring terminal 44, and the insertion end 42, the elastic contact end 43 and the wiring terminal 44 are arranged in sequence and formed by integral stamping. Specifically, the insertion end 42 is formed by two symmetrically arranged insertion springs, the elastic contact end 43 is formed by at least two contact springs, and contact convex strips are arranged on the lower side of the insertion end 42 and the elastic contact end 43. The electrical terminal 4 includes an insertion end 42, an elastic contact end 43 and a wiring terminal 44. The insertion end 42 is formed by two symmetrically arranged insertion springs, and the elastic contact end 43 is formed by at least two contact springs. This design can provide more contact points, increase the reliability and stability of the contact, and ensure good electrical connection. Contact convex strips are arranged on the lower side of the insertion end 42 and the elastic contact end 43. These convex strips cooperate with the guide grooves of the plug 11 when the plug 11 is inserted, providing an accurate plug-in and pull-out guide function. At the same time, the convex strips can also provide a certain elasticity during the plug-in and pull-out process, making the insertion and pull-out operations of the plug 11 smoother and more flexible. The insertion end 42, the elastic contact end 43 and the connection end 44 are formed by integral stamping. This integrated design simplifies the manufacturing process, improves production efficiency, reduces the number of parts in the assembly process, and reduces costs and failure risks.

[0042] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A wiring harness connector, characterized in that: include A plastic shell, wherein a plug and a fixing portion arranged at one end of the plug are arranged in the plastic shell, and the plug is provided with a slot, and one end of the slot passes through the fixing portion; An inner shell, which is a metal shell and is disposed in the inner slot, and a wire clip is extended from one side of the inner shell toward the fixing portion; An insulator, the insulator is arranged inside the inner shell, the insulator is provided with a terminal assembly groove, one end of the terminal assembly groove passes through the insulator; An electrical terminal, one end of which is inserted into the insulator and the other end of which extends toward the wire clamp; A connecting wire harness, one end of which extends into the fixing portion and is connected to the power terminal, and the wire clamp is used to clamp and fix the connecting wire harness; as well as The fixing piece is installed on the fixing portion and is used to fix the connecting wire harness on the fixing portion.

2. The wiring harness connector according to claim 1, characterized in that: A pressing spring sheet is arranged at the top of the plug, and a plug buckle is arranged on the pressing spring sheet; vertical plates are arranged on both sides of the pressing spring sheet of the plug, and a spacing groove is arranged between the vertical plates and the pressing spring sheet.

3. The wiring harness connector according to claim 2, characterized in that: A plug-in guide strip is arranged on one side of the plug away from the pressing spring sheet; a plug-in guide groove is arranged on the lower side of the vertical plate of the plug, and one side of the plug-in guide groove is connected to the slot so that the inner shell is exposed.

4. The wiring harness connector according to claim 1, characterized in that: The wall surface of the slot is provided with a retreat-stop groove and a front-stop groove, and the inner shell is provided with a retreat-stop buckle and a front-stop buckle, the retreat-stop buckle is used to fit in the retreat-stop groove, and the front-stop buckle is used to fit in the front-stop groove.

5. The wiring harness connector according to claim 1, characterized in that: The slot is provided with assembly slots on both sides of the fixing part, and assembly buckles are provided on both sides of the fixing member. The fixing member is assembled in the assembly slots through the assembly buckles to fix the connecting harness.

6. The wiring harness connector according to claim 1, characterized in that: The inner shell includes a lower shell and an upper shell, one side of the upper shell covers one side of the lower shell, the lower shell is provided with a shell slot, the upper shell is provided with a shell buckle, the shell buckle is used to buckle on the shell slot, a fixing groove is provided between the lower shell and the upper shell, the insulator is provided with a fixing platform, and the fixing groove is used to fix the fixing platform.

7. The wiring harness connector according to claim 6, characterized in that: The lower shell is provided with an abutting spring sheet, and the insulator is provided with a stop-retreat step, and one end of the abutting spring sheet abuts on the stop-retreat step.

8. The wiring harness connector according to claim 1, characterized in that: The front end of the terminal assembly groove is provided with a limiting step, and the rear end is provided with a limiting groove. The limiting step is used to limit one end of the power terminal. The power terminal is provided with a limiting buckle, and one end of the limiting buckle is clamped in the limiting groove.

9. The wiring harness connector according to claim 1, characterized in that: The power terminal comprises an insertion end, an elastic contact end and a wiring end. The insertion end, the elastic contact end and the wiring end are arranged in sequence and formed by integral stamping.

10. The wiring harness connector according to claim 9, characterized in that: The insertion end is formed by two symmetrically arranged insertion spring sheets, the elastic contact end is formed by at least two contact spring sheets, and contact convex strips are arranged on the lower sides of the insertion end and the elastic contact end.

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