Elbow wire harness connector

Abstract

The utility model relates to the technical field of vehicle-mounted electric connection, in particular to an elbow wire harness connector, which comprises a plastic shell, an inner shell, an insulator, a power connection terminal, a connecting wire harness and an injection molding part, a plug and an elbow 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 elbow part; the inner shell is a metal shell, a wire clamp extends from one side, facing the elbow part, of the inner shell, and one end of the wire clamp is bent towards the elbow part; one end of the power connection terminal is inserted into the insulator, and the other end extends towards the wire clamp; one end of the connecting wire harness extends into the elbow part and is connected with the power connection terminal, and the wire clamp is used for clamping and fixing the connecting wire harness; and the injection molding part coats the elbow part, the connecting wire harness and the wire clamp through injection molding. According to the utility model, the elbow part, the connecting wire harness and the wire clamp are coated by injection molding through the injection molding piece, the overall 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 an elbow 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 uses injection molding to cover the elbow part, the connecting wire harness and the wire clamp, so that the overall structure is stable and reliable, and the connector is stable in plugging and use. The utility model solves the problem of insufficient stability of the existing connector.

[0005] The technical solution adopted by the utility model is: an elbow harness connector, comprising a plastic shell, an inner shell, an insulator, an electrical terminal, a connecting harness and an injection molded part, wherein a plug and an elbow portion 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 elbow portion; the inner shell is a metal shell, and is arranged in the slot, a wire clamp is extended from the inner shell toward the side of the elbow portion, and one end of the wire clamp is bent toward the elbow portion; 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 harness extends into the elbow portion and is connected to the electrical terminal, and the wire clamp is used to clamp and fix the connecting harness; the injection molded part covers the elbow portion, the connecting harness and the wire clamp by injection molding.

[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 injection grooves on both sides of the elbow portion, and the injection molded part covers the injection grooves by injection molding; an elbow groove is provided on the lower side of the elbow portion, and the wire clamp is bent toward the elbow groove.

[0010] A further improvement to the above solution is that the inner shell is provided with a fixing groove, the insulator is provided with a fixing platform, and the fixing groove is used for fixing the fixing platform.

[0011] A further improvement to the above solution is that the inner 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 uses the injection molding to cover the elbow, the connecting harness and the wire clamp. 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 plastic shell of the utility model is provided with a plug and an elbow portion provided at one end of the plug. The design of the elbow portion enables the connector to adapt to the wiring requirements of bending or cornering. This design can reduce the bending radius of the wiring harness and improve the flexibility and reliability of the wiring harness in a complex wiring environment. The plug is provided with a slot, one end of which passes through the elbow portion. The inner shell is provided in the slot, and a wire clamp extends from one side of the slot toward the elbow portion. This structure can achieve precise alignment of the plug and the inner shell, and provide a stable connection to prevent the connector from loosening or falling off during use.

[0018] The inner shell of the utility model has a wire clamp extending from one side toward the elbow, and one end of the wire clamp is bent toward the elbow. The wire clamp is used to clamp and fix the connecting wire harness to ensure reliable connection between the wire harness and the power terminal. The design of the wire clamp provides good fixing force to prevent the wire harness from loosening under vibration or force. The insulator is arranged inside the inner shell, and the insulator is provided with a terminal assembly groove, one end of which passes through the insulator. The setting of the insulator can isolate and protect the power terminals, prevent short circuits and electrical interference, and improve the safety and reliability of the connector. The injection molded part covers the elbow, the connecting wire harness and the wire clamp through injection molding, providing good sealing and protection for the connector. The injection molded part can prevent foreign substances such as dust and moisture from entering the interior of the connector, thereby improving the durability and reliability of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 for Figure 1 Exploded diagram of the mid-elbow harness connector;

[0021] Figure 3 for Figure 1 A partial structural diagram of a middle elbow harness connector;

[0022] Figure 4 for Figure 3 Exploded diagram of the mid-elbow harness connector;

[0023] Figure 5 for Figure 3 Exploded diagram of the middle elbow harness connector from another angle;

[0024] Figure 6 for Figure 3 A schematic diagram of the front view of the middle elbow harness connector;

[0025] Figure 7 for Figure 6 Sectional view of AA in the middle;

[0026] Figure 8 for Figure 1 Schematic diagram of the structure of the power terminal of the middle elbow wiring harness connector.

[0027] 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, elbow 12, injection groove 121, elbow groove 122, slot 13, stop groove 131, front stop groove 132;

[0028] Inner housing 2, wire clamp 21, anti-retraction buckle 22, forward-stop buckle 23, fixing groove 24, abutment spring sheet 25;

[0029] Insulator 3, terminal assembly groove 31, limiting step 311, limiting groove 312, fixing platform 32, and stop step 33;

[0030] Power terminal 4, limit buckle 41, insertion end 42, elastic contact end 43, connection end 44;

[0031] Connecting wire harness 5 and injection molded parts 6. DETAILED DESCRIPTION

[0032] 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.

[0033] 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.

[0034] 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.

[0035] like Figures 1 to 8As shown, in one embodiment of the utility model, an elbow wiring harness connector is involved, including a plastic shell 1, an inner shell 2, an insulator 3, a power terminal 4, a connecting wire harness 5 and an injection molded part 6. A plug 11 and an elbow 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 elbow portion 12; the inner shell 2 is a metal shell and is arranged in the slot 13, and a wire clip 21 is extended from the inner shell 2 toward one side of the elbow portion 12, and the wire clip One end of 21 is bent toward the elbow 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 power 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 elbow 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; the injection molded part 6 covers the elbow 12, the connecting wire harness 5 and the wire clamp 21 by injection molding. In this embodiment, the insulator 3 is fixed by the metal inner shell 2, and the power terminal 4 is inserted into the insulator 3, and then the metal inner shell 2 is assembled in the slot 13, and finally the elbow 12, the connecting wire harness 5 and the wire clamp 21 are injection molded and covered by the injection molded part 6, and the overall structure is stable and reliable, and the connector is stable when plugged in. The problem of insufficient stability of the existing connector is solved.

[0036] In the above embodiment, a plug 11 and an elbow 12 arranged at one end of the plug 11 are arranged in the plastic shell 1. The design of the elbow 12 enables the connector to adapt to the wiring requirements of bending or corners. This design can reduce the bending radius of the wiring harness and improve the flexibility and reliability of the wiring harness in a complex wiring environment. The plug 11 is provided with a slot 13, and one end of the slot 13 passes through the elbow 12. The inner shell 2 is arranged in the slot 13, and a wire clamp 21 extends from the slot 13 to one side of the elbow 12. This structure can achieve precise alignment of the plug 11 and the inner shell 2, and provide a stable connection to prevent the connector from loosening or falling off during use.

[0037] In the above embodiment, a wire clamp 21 extends from one side of the inner shell 2 toward the elbow portion 12, and one end of the wire clamp 21 is bent toward the elbow portion 12. The wire clamp 21 is used to clamp and fix the connecting wire harness 5 to ensure reliable connection between the wire harness and the power terminal 4. The design of the wire clamp 21 provides good fixing force to prevent the wire harness from loosening under vibration or force. The insulator 3 is arranged inside the inner shell 2, and the insulator 3 is provided with a terminal assembly groove 31, one end of which passes through the insulator 3. The setting of the insulator 3 can isolate and protect the power terminal 4, prevent short circuit and electrical interference, and improve the safety and reliability of the connector. The injection molded part 6 covers the elbow portion 12, the connecting wire harness 5 and the wire clamp 21 by injection molding, providing good sealing and protection for the connector. The injection molded part 6 can prevent foreign substances such as dust and moisture from entering the interior of the connector, thereby improving the durability and reliability of the connector.

[0038] A pressing spring 111 is provided at the top of the plug 11, and a plug-in buckle 112 is provided on the pressing spring 111; vertical plates 113 are provided on both sides of the pressing spring 111 of the plug 11, and a spacing groove is provided between the vertical plates 113 and the pressing spring 111. Specifically, a plug-in guide strip 114 is provided on the side of the plug 11 opposite to the pressing spring 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 111 and a plug-in buckle 112 are provided at the top of the plug 11. The pressing spring 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.

[0039] 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.

[0040] The slot 13 is provided with injection grooves 121 on both sides of the elbow portion 12, and the injection molded part 6 covers the injection grooves 121 by injection molding; the lower side of the elbow portion 12 is provided with an elbow groove 122, and the wire clamp 21 is bent toward the elbow groove 122. In this embodiment, the stability and injection area of ​​the injection molding connection are enhanced by the provision of the injection groove 121, thereby further enhancing the connection effect. The provision of the elbow groove 122 facilitates the bending and fixing of the wire clamp 21 and the connecting wire harness 5, thereby ensuring the stability of the wire harness connection.

[0041] See also Figure 5-6 As shown, the inner housing 2 is provided with a fixing groove 24, and the insulator 3 is provided with a fixing platform 32, and the fixing groove 24 is used to fix the fixing platform 32. Specifically, the inner housing 2 is provided with an abutting spring sheet 25, and the insulator 3 is provided with a stop step 33, and one end of the abutting spring sheet 25 abuts on the stop step 33. In this embodiment, the inner housing 2 is provided with a fixing groove 24, and the insulator 3 is provided with a fixing platform 32. The fixing platform 32 is fixed in the inner housing 2 through the fixing groove 24 to ensure a stable connection between the inner housing 2 and the insulator 3. This design can prevent the inner housing 2 and the insulator 3 from loosening or displacement during use, thereby improving the reliability and safety of the connector. The insulator 3 is provided with a stop step 33, and the inner housing 2 is provided with an abutting spring sheet 25, and one end of the abutting spring sheet 25 abuts on the stop step 33. This design can achieve an effective stop function to prevent the plug 11 from retreating in the connector. The cooperation between the abutting spring piece 25 and the retaining step 33 provides a reliable retaining force, thereby maintaining a stable connection between the plug 11 and the connector.

[0042] See also Figure 7As shown, 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, and 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.

[0043] See also Figure 8 As shown, the power terminal 4 includes an insertion end 42, an elastic contact end 43 and a wiring terminal 44, wherein the insertion end 42, the elastic contact end 43 and the wiring terminal 44 are sequentially arranged 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 sides of the insertion end 42 and the elastic contact end 43. In this embodiment, the convex strips can also provide a certain damping effect during the plugging and unplugging process, so that the plug 11 maintains contact after insertion. The insertion end 42, the elastic contact end 43 and the wiring terminal 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.

[0044] 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. An elbow wiring harness connector, characterized in that: include A plastic shell, wherein a plug and an elbow portion arranged at one end of the plug are arranged in the plastic shell, wherein the plug is provided with a slot, and one end of the slot passes through the elbow portion; An inner shell, which is a metal shell and is disposed in the slot, a wire clip extending from one side of the inner shell toward the elbow, and one end of the wire clip being bent toward the elbow; 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 elbow 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 injection molded part covers the elbow, the connecting wire harness and the wire clamp by injection molding.

2. The elbow 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 elbow 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 elbow 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 elbow wiring harness connector according to claim 1, characterized in that: The slot is provided with injection grooves on both sides of the elbow part, and the injection molded part covers the injection grooves by injection molding; an elbow groove is provided on the lower side of the elbow part, and the wire clamp is bent toward the elbow groove.

6. The elbow wiring harness connector according to claim 1, characterized in that: The inner shell is provided with a fixing groove, the insulator is provided with a fixing platform, and the fixing groove is used for fixing the fixing platform.

7. The elbow wiring harness connector according to claim 1, characterized in that: The inner shell is provided with an abutting spring sheet, and the insulator is provided with a stop step, and one end of the abutting spring sheet abuts on the stop step.

8. The elbow 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 elbow 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 elbow 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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