Novel bent connector locked by screws

By designing screws to lock the new curved connector, using metal shells and screw fixing methods, the problems of insufficient strength, angle limitation and poor sealing of existing connectors are solved, and higher electromagnetic shielding efficiency, mechanical strength and adaptability are achieved .

CN119481784APending Publication Date: 2025-02-18SICHUAN YONGGUI SCI & TECH CO LTD
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Patent Information

Application Number
CN202411625894.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-02-18

AI Technical Summary

Technical Problem

The existing high-voltage connectors of new energy electric vehicles have problems such as insufficient plastic shell strength, limited fixed angle, large operating space for pull rods, failure to meet strict environmental requirements, and excessive appearance size.

Method used

A new type of curved connector with screw lock is designed, adopting a metal shell, the plug and socket are fixed by screws, achieving better electromagnetic shielding and mechanical strength, and improving sealing through 2-6 lip sealing rings and plug screw assembly and fixed reliability.

Benefits of technology

The connector has good electromagnetic shielding performance and mechanical strength, adapts to the compact layout of the whole vehicle, reduces assembly space requirements, and meets the stricter environmental requirements of new energy vehicles.

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Abstract

The invention discloses a novel bent connector locked by a screw. The novel bent connector comprises a plug assembly and a socket assembly which are matched with each other, the plug assembly comprises a plug shell, a shielding outer sleeve and a shielding inner sleeve, a pin terminal sheath is arranged in the plug shell, the side wall of the tail part of the plug shell is in contact with the shielding outer sleeve, and the shielding outer sleeve is conducted with the shielding inner sleeve, so that conduction of a shielding chain at the plug end is realized; the socket assembly comprises a socket shell, a sealing ring is arranged at the bottom of the plug shell, and the sealing ring is used for waterproof sealing when the plug assembly is matched with the socket shell. The technical scheme is novel in structure and high in practicability. The shell is wrapped by metal and has good electromagnetic shielding effectiveness and mechanical strength; the plug and the socket are in plug-in fixation in a screw joint mode, the reliability of plug-in fixation of the plug and the socket is guaranteed in the mode, the space for pulling the pull rod is reduced in the use space of the connector intersected with the pull rod, and the assembly space of the whole vehicle is further reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of high-voltage connectors in the field of new energy electric vehicles, and more specifically to a new type of screw-locked curved connector. Background Art

[0002] At present, the high-voltage connectors on new energy electric vehicles have different structures and shapes. The main problems are as follows:

[0003] 1. The connectors on the market are generally made of plastic shells, and only have a fixed angle of 90°, which is limited in use, and the strength of plastic is not suitable for all positions of the vehicle;

[0004] 2. The connectors on the market generally use tie rods as the head seat connection method. The tie rod requires a large operating space and is not suitable for the compact layout of the current vehicle. In addition, the tie rod connection requires high precision in the matching of parts;

[0005] 3. Connectors on the market generally use O-rings and single or double lip seals for sealing. Although this structure has low cost and small assembly space requirements, the current use requirements of new energy vehicles are more stringent and the use environment of vehicles is more complex. O-rings and double lips no longer meet the current use environment requirements;

[0006] 4. The large current connectors on the market are too large in size and are not suitable for the compact layout of current vehicles. Summary of the invention

[0007] The object of the present invention is to provide a novel screw-locked curved connector, in order to solve at least one technical problem in the background technology.

[0008] In order to achieve the above object, the present invention adopts the following technical solutions:

[0009] A new type of screw-locked curved connector, comprising: a plug assembly and a socket assembly that cooperate with each other;

[0010] The plug assembly comprises: a plug housing, a shielding outer sleeve, a shielding inner sleeve, a pin terminal sleeve is arranged in the plug housing, a rear side wall of the plug housing contacts the shielding outer sleeve, and the shielding outer sleeve is connected to the shielding inner sleeve to realize the shielding chain connection of the plug end;

[0011] The socket assembly comprises a socket housing. A sealing ring is provided at the bottom of the plug housing. The sealing ring is used for waterproof sealing when the plug assembly and the socket housing are mated with each other.

[0012] In some embodiments, the plug assembly further includes a fixing plate and a pin, the fixing plate is inserted into the pin terminal sheath, the pin is inserted into the pin terminal sheath, and the pin is fixed by the fixing plate to prevent the pin from being withdrawn.

[0013] In some embodiments, a baffle, a wire sealing body, a wire clamp, and a tail cover are sequentially installed at the rear of the plug housing. The baffle is blocked by the support platform at the rear of the plug housing to prevent it from being pushed forward. The tail cover is snapped into place with the plug housing to prevent it from being pulled out. After being snapped into place, the wire clamp fixes the cable to prevent the cable from being excessively bent.

[0014] In some embodiments, the sealing ring has 2-6 lips, which are used for waterproof sealing when the plug assembly and the socket housing are mated with each other.

[0015] In some embodiments, a socket sealing ring is provided at the bottom of the socket housing. The socket sealing ring has 2-6 lips and is used for waterproof sealing when the socket assembly is mated with the mounting plate end.

[0016] In some embodiments, the plug housing and the socket housing are mated and fixed using a mating screw assembly.

[0017] In some embodiments, the socket assembly further includes a hole terminal and a hole terminal sleeve, the hole terminal is inserted into the hole terminal sleeve and fixed by a hanging platform, and the hole terminal sleeve is inserted into the socket housing and fixed by a hanging platform.

[0018] In some embodiments, the plug assembly further comprises a signal jack and a hole signal sleeve installed in the plug housing, the signal jack is installed into the hole signal sleeve, and then the plug is installed into the hole signal sleeve.

[0019] In some embodiments, the socket assembly includes a signal pin and a pin signal shield. The signal pin is installed into the pin signal shield, and then the pin signal shield is installed into the hole terminal shield to complete the assembly.

[0020] In some embodiments, the socket housing is locked and fixed to the end of the mounting plate.

[0021] The present invention has the following beneficial effects:

[0022] The technical solution of the present invention has novel structure and strong practicality. The shell is wrapped by metal, which has good electromagnetic shielding performance and mechanical strength; the plug and socket are fixed in a screw connection form, which ensures the reliability of the plug-in fixation of the head seat, and the intersecting pull rod connector reduces the space for pulling the pull rod in the use space, further reducing the assembly space of the whole vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is the structural principle Figure 1 ;

[0024] Figure 2 It is the structural principle Figure 2 ;

[0025] Figure 3 It is the structural principle Figure 3 ;

[0026] Figure 4This is the expanded view of the plug product;

[0027] Figure 5 This is an expanded view of the socket product. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below in conjunction with the drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals throughout represent the same or similar parts or parts with the same or similar functions. The described embodiments are part of the embodiments of the present application, not all of the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0029] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0030] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are orientations or positional relationships based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0032] In addition, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or display that includes a series of steps or elements is not necessarily limited to those steps or elements explicitly listed but may include other steps or elements not explicitly listed or inherent to such process, method, product, or display.

[0033] The following will be combined Figure 1-5 , a screw-locked novel curved connector according to an embodiment of the present application is described in detail. It should be noted that the following embodiments are only used to explain the present application and do not constitute a limitation on the present application.

[0034] Embodiment 1:

[0035] like Figure 1-5 As shown, a new type of screw-locked curved connector includes: a plug assembly and a socket assembly that cooperate with each other; the plug assembly includes: a sealing ring 1, a hole signal sheath 2, a signal jack 3, a plug 4, a plug housing 5, a plug screw assembly 6, a pin terminal sheath 7, a pin 8, a shielding outer sleeve 9, a shielding inner sleeve 10, a baffle 11, a sealing body 12, a wire clamp 13, a tail cover 14, and a fixing plate 15;

[0036] The socket assembly includes: a board end screw assembly 16, a socket housing 17, a hole terminal sheath 18, a sheath screw assembly 19, a hole terminal 20, a socket sealing ring 21, a pin signal sheath 22, a signal pin 23, a terminal locking block 24, and a mounting plate end 24;

[0037] The bottom of the plug housing 5 is provided with a sealing ring 1, which has 2-6 lips (colors: blue, green, white, black) and is used for waterproof sealing when the plug assembly and the socket housing 17 are mated. Figure 1 ;

[0038] The rear side wall of the plug housing 5 contacts the shielding jacket 9, and the shielding jacket 9 is connected to the shielding inner sleeve 10, so that the shielding chain at the plug end is connected. Figure 1 ;

[0039] The fixing piece 15 is installed in the pin terminal sheath 7, and the pin 8 is installed in the pin terminal sheath 7. The fixing piece 15 fixes the pin 8 to prevent the pin 8 from being withdrawn. Figure 1 ;

[0040] The rear of the plug housing 5 is sequentially loaded with a baffle 11, a sealing body 12, a wire clamp 13, and a tail cover 14. The baffle 11 is blocked by the support platform at the rear of the plug housing to prevent it from being pushed forward. The tail cover 14 is buckled with the plug housing 5 to prevent it from being withdrawn. After being buckled in place, the wire clamp 13 fixes the cable to prevent the cable from being excessively bent. Figure 1 ;

[0041] The bottom of the socket housing 17 is provided with a socket sealing ring 21, which is a 2-6 lip (color: blue, green, white, black), which is used for waterproof sealing when the socket assembly and the mounting plate end 25 are mated. Figure 1 ;

[0042] The plug housing 5 and the socket housing 17 are matched and fixed using 2-10 plug screw assemblies 6. Figure 2 , the plug screw assembly 6 can use the screw assembly that comes with the plug housing and the post-installed screw assembly, which makes the matching more stable and reliable;

[0043] The hole terminal 20 is installed in the hole terminal sheath 18 and fixed by the hanging platform, and then the hole terminal sheath 18 is installed in the socket housing 17 and fixed by the hanging platform. Figure 2 Then, the socket housing 17 and the hole terminal sheath 18 are fixed with the sheath screw assembly 19. Figure 3 , making the socket structure more solid and more vibration-resistant; after the hole terminal 20 is pre-installed into the socket housing 17, the terminal locking block 24 is snapped onto the socket housing 17 and prevents the hole terminal 20 from withdrawing from the socket housing 17.

[0044] The signal jack 3 is installed into the signal sheath 2, and then the plug 4 is installed. Figure 2 , to prevent the signal pin 3 from being withdrawn;

[0045] The signal pin 23 is installed into the pin signal sheath 22, and then the pin signal sheath 22 is installed into the hole terminal sheath 18 to complete the assembly. This structure realizes the modularization and platformization of signal components, and is also convenient for customers to assemble. Figure 2 ;

[0046] The socket housing 17 is fixed to the mounting plate end 25 by 2-10 plate end screw assemblies 16. Figure 3 The board end screw assembly 16 can be a screw assembly with a plug housing and a post-installed screw assembly. The locking mechanism is stable and reliable. Figure 3 ;

[0047] Working principle of the present invention:

[0048] The connector is composed of a head seat, a cable and a pin 8, a shielding outer sleeve 9, a shielding inner sleeve 10, a baffle 11, a sealing body 12, a wire clamp 13, and a tail cover 14 are assembled as components and installed in the plug assembly, and the plug and the socket are fastened by screws. The current at the cable end passes through the pin 8. Because the head seat is plugged in, the pin 8 in the plug contacts the hole terminal 20 in the socket. After the current passes to the hole terminal 20, it is distributed from the hole terminal 20 to other devices to achieve current conduction.

[0049] The connector head-to-head connection, cable sealing and seat-to-board end provided in this application all adopt 3-6 lip sealing, which has good sealing performance; the overall size of the connector is small, the structure is more compact, and it is easy to layout the space of the whole vehicle; the signal part adopts modular and platform design, which reduces the number of parts and facilitates customer assembly; the connector can be adapted to shielded cables and unshielded cables; the connector can be equipped with a high-voltage interlocking function; the connector can be adapted to harpoon terminals, sheet terminals, and composite terminals; the connector outlet angle includes 90°-179°.

[0050] The above description is only a preferred embodiment of the present invention and is used to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A new type of screw-locked curved connector, characterized in that: include: A plug assembly and a socket assembly that cooperate with each other; The plug assembly comprises: a plug housing, a shielding outer sleeve, a shielding inner sleeve, a pin terminal sleeve is arranged in the plug housing, a rear side wall of the plug housing contacts the shielding outer sleeve, and the shielding outer sleeve is in conduction with the shielding inner sleeve, so as to realize the conduction of the shielding chain at the plug end; The socket assembly comprises a socket housing. A sealing ring is provided at the bottom of the plug housing. The sealing ring is used for waterproof sealing when the plug assembly and the socket housing are mated with each other.

2. A screw-locked new type curved connector according to claim 1, characterized in that: The plug assembly also includes a fixing plate and a pin. The fixing plate is installed in the pin terminal sheath, and the pin is installed in the pin terminal sheath. The pin is fixed by the fixing plate to prevent the pin from being withdrawn.

3. A screw-locked new type curved connector according to claim 1, characterized in that: The baffle, wire sealing body, wire clamp and tail cover are installed in sequence at the rear of the plug shell. The baffle is blocked by the support platform at the rear of the plug shell to prevent it from being pushed forward. The tail cover is buckled with the plug shell to prevent it from being withdrawn. After being buckled into place, the wire clamp fixes the cable to prevent the cable from excessive bending.

4. A screw-locked new type curved connector according to claim 1, characterized in that: The sealing ring has 2-6 lips and is used for waterproof sealing when the plug assembly and the socket housing are mated.

5. A screw-locked new type curved connector according to claim 1, characterized in that: A socket sealing ring is provided at the bottom of the socket housing. The socket sealing ring has 2-6 lips and is used for waterproof sealing when the socket assembly and the mounting plate end are mated with each other.

6. A screw-locked new type curved connector according to claim 1, characterized in that: The plug housing and the socket housing are matched and fixed using a plug screw assembly.

7. A screw-locked new type curved connector according to claim 1, characterized in that: The socket assembly also includes a hole terminal and a hole terminal sheath. The hole terminal is inserted into the hole terminal sheath and fixed by a hanging platform. The hole terminal sheath is inserted into the socket housing and fixed by the hanging platform.

8. The screw-locked new type curved connector according to claim 1, characterized in that: The plug assembly also includes a signal jack and a hole signal sheath installed in the plug housing. The signal jack is installed in the hole signal sheath, and then the plug is installed in the hole signal sheath.

9. A screw-locked new type curved connector according to claim 7, characterized in that: The socket assembly comprises a signal pin and a pin signal sheath. The signal pin is installed into the pin signal sheath, and then the pin signal sheath is installed into the hole terminal sheath to complete the assembly.

10. A screw-locked new type curved connector according to claim 7, characterized in that: The socket housing is locked and fixed to the mounting plate end.