Large-current assembly type wire-to-board connector

By employing an assembly-type design and ultrasonic welding process, the problems of complex manufacturing, heavy weight, and large size of existing wire-to-board connectors have been solved, resulting in miniaturized, lightweight, and high-current-carrying connectors with multi-signal transmission and waterproof performance.

CN223858457UActive Publication Date: 2026-01-30WUXI MUTUAL ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423304204.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-30
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing wire-to-board connectors suffer from problems such as complex manufacturing processes, large product weight and size, insufficient number of signal lines, insufficient power current carrying capacity, and high insertion and extraction resistance, which cannot meet market demands.

Method used

It adopts an assembly design, uses copper material and ultrasonic welding process, and combines a labor-saving wrench and movable buckle to achieve miniaturization and lightweight, and meets the requirements of high current carrying and multi-signal transmission through 2+2+13pin structure.

Benefits of technology

It achieves miniaturization and lightweighting of connectors, reduces production costs, enhances the ease of insertion and removal, and can meet the requirements of current carrying capacity of over 200A and multi-signal transmission, and has IP67 waterproof performance.

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Abstract

The utility model discloses a wire-to-board connector, belongs to the technical field of connectors, and particularly relates to a large-current assembly type wire-to-board connector which comprises a shell, a wrench, a connecting assembly, a male end assembly and a female end assembly. The wrench is installed on one side of the outer shell, the connecting assembly is installed on the outer shell and connected with the outside, the male end assembly is installed on one side of the outer shell, and the female end assembly is installed on the male end assembly. The terminal of the power line is connected with the wire rod through the ultrasonic welding technology, production is facilitated, meanwhile, time and material cost in the production process is greatly reduced, meanwhile, a labor-saving wrench is adopted, and labor can be fully saved in the product plugging and using process; and in addition, the wrench is fixed by a movable buckling mode behind the labor-saving wrench, so that the phenomenon of poor contact caused by sliding of the labor-saving wrench due to shaking of the matched products in the use process is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model discloses a wire-to-board connector belongs to connector technical field, concretely relates to a kind of large-current assembled wire-to-board connector. BACKGROUND

[0002] Wire-to-board connectors are important components used to connect circuit boards and wires. They are widely used in various industries, including electronics, communications, automotive, and aerospace, among others. There are many types of wire-to-board connectors, each with its unique features and application range.

[0003] Currently, the wire end of the wire-to-board connector on the market is mostly integral and has a complex manufacturing process, long production cycle, and heavy weight and large volume due to the use of injection molding process, making it inconvenient to use. Most products have only 8 signal lines, which is insufficient in quantity. The current-carrying capacity of the power line is only 100A, which cannot meet the growing demand in the market. The large-current and large-size product has high resistance when plugging and unplugging, making the use process inconvenient. SUMMARY

[0004] The utility model aims to provide a large-current assembled wire-to-board connector to solve the above-mentioned problems.

[0005] Technical scheme: a large-current assembled wire-to-board connector, comprising: a shell, a wrench, a connection assembly, a male end assembly, and a female end assembly.

[0006] The wrench is installed on one side of the shell, the connection assembly is installed on the shell and connected to the outside, the male end assembly is installed on one side of the shell, and the female end assembly is installed on the male end assembly.

[0007] In a further embodiment, the wrench is provided with a connecting hole, and the connecting hole is matched with a connecting pin on the shell to enable the wrench to be installed on the shell. One end of the wrench is provided with a movable buckle.

[0008] In a further embodiment, the connection assembly comprises a fixed lock, a first sealing ring, and a wire.

[0009] The fixed lock is fixedly installed on the shell, the first sealing ring is located inside the shell and matched with the fixed lock, one end of the wire passes through the fixed lock and the first sealing ring into the shell, and the other end is connected to the outside.

[0010] In a further embodiment, the male end assembly comprises a male end terminal, a contact protection head, a second sealing ring, a male end positioning member, and a third sealing ring.

[0011] The male end positioning member is fixedly connected with one end of the shell, the second sealing ring is installed between the male end positioning member and the shell, the male end terminal is installed in the male end positioning member, the anti-contact head is installed on one end of the male end terminal, the other end of the male end terminal is connected with the wire, and the third sealing ring is installed on the male end positioning member.

[0012] In a further embodiment, the female end assembly comprises a female end terminal, a female end positioning member and a sealing gasket;

[0013] The female end positioning member is matched with the male end positioning member through the third sealing ring, the sealing gasket is installed on the female end positioning member, and the female end terminal is installed in the female end positioning member and matched with the anti-contact head.

[0014] In a further embodiment, the male end terminal and the female end terminal adopt a 2+2+13 pin structure.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The volume is small enough, the occupied space is smaller during use, and the installation environment requirement is smaller.

[0017] 2. The male end product uses an assembly mode, the terminal of the power line is connected with the wire by adopting an ultrasonic welding process, the production process time and material cost are greatly reduced while the production is facilitated.

[0018] 3. Since the product uses an assembly mode instead of an injection molding process, the product is light in weight, and the customer use is facilitated.

[0019] 4. The terminal of the metal turning part and the red copper material are used, the size is small enough, and the current carrying capacity can also meet more than 200A,

[0020] 5. The terminal quantity is made into 2+2+13 pin, and the large current current carrying capacity, the charging and discharging integration and the multi-signal data transmission demand can be simultaneously met.

[0021] 6. The labor-saving wrench and the movable buckle are used, the product insertion and extraction force is reduced, and the locking effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an explosion schematic view of the utility model.

[0023] Mark: female end terminal 1, sealing gasket 2, female end positioning member 3, third sealing ring 4, male end positioning member 5, second sealing ring 6, anti-contact head 7, male end terminal 8, shell 9, wrench 10, movable buckle 11, fixed lock 13, first sealing ring 12, wire 14. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in 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 devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0027] A large-current assembled wire-to-board connector, comprising: a shell 9, a wrench 10, a connecting assembly, a male assembly and a female assembly;

[0028] In one embodiment, as shown in Figure 1 , the wrench 10 is mounted on one side of the shell 9, the connecting assembly is mounted on the shell 9 and connected to the outside, the male assembly is mounted on one side of the shell 9, and the female assembly is mounted on the male assembly.

[0029] In one embodiment, as shown in Figure 1 , the wrench 10 is provided with a connecting hole and is matched with a connecting pin on the shell 9 to enable the wrench 10 to be mounted on the shell 9, and one end of the wrench 10 is provided with a movable buckle 11.

[0030] In one embodiment, as shown in Figure 1 , the connecting assembly comprises: a fixed lock 13, a first sealing ring 12 and a wire 14;

[0031] The fixed lock 13 is fixedly installed on the shell 9, the first sealing ring 12 is located in the shell 9 and cooperates with the fixed lock 13, one end of the wire 14 passes through the fixed lock 13 and the first sealing ring 12 into the shell 9, and the other end is connected to the outside.

[0032] In one embodiment, as shown in the figure, the male end assembly includes a male end terminal 8, a protection contact 7, a second sealing ring 6, a male end positioning piece 5, and a third sealing ring 4. Figure 1

[0033] The male end positioning piece 5 is fixedly connected to one end of the shell 9, the second sealing ring 6 is installed between the male end positioning piece 5 and the shell 9, the male end terminal 8 is installed in the male end positioning piece 5, the protection contact 7 is installed on one end of the male end terminal 8, the other end of the male end terminal 8 is connected to the wire 14, and the third sealing ring 4 is installed on the male end positioning piece 5.

[0034] In one embodiment, as shown in the figure, the female end assembly includes a female end terminal 1, a female end positioning piece 3, and a sealing gasket 2. Figure 1

[0035] The female end positioning piece 3 cooperates with the male end positioning piece 5 through the third sealing ring 4, the sealing gasket 2 is installed on the female end positioning piece 3, and the female end terminal 1 is installed in the female end positioning piece 3 and cooperates with the protection contact 7 at one end.

[0036] In one embodiment, as shown in the figure, the male end terminal 8 and the female end terminal 1 adopt a 2+2+13 pin structure. Figure 1

[0037] In one embodiment, as shown in the figure, the material of the male end power pin terminal uses red copper material, which can be as small as possible while meeting the demand for high current carrying capacity, and can meet the current carrying effect of 200A. The terminal of the power line and the wire 14 are connected by ultrasonic welding process instead of soldering process, which greatly reduces the time and material cost in the production process. The signal line is designed with 13 pins, which can meet the various needs of customers; in addition, two φ2.0 size terminals are designed for charging to avoid waste caused by charging with large terminals. If there is no charging demand, they can also be combined in the signal line as two signal transmission contacts. Figure 1

[0038] In one embodiment, as shown in the figure, the overall product components are combined in a sleeving and assembling manner, and sealing rings / sealing gaskets 2 are used at the combined parts to achieve IP67 level waterproof in an extrusion form. Figure 1 In one embodiment, as shown in the figure, the overall product components are combined in a sleeving and assembling manner, and sealing rings / sealing gaskets 2 are used at the combined parts to achieve IP67 level waterproof in an extrusion form.​​​​

[0039] In one embodiment, as shown in Figure 1 The design applies the labor-saving wrench 10, which can fully save labor during the use of product insertion and extraction. In addition, the movable buckle 11 is used behind the labor-saving wrench 10 to fix the wrench 10, so as to prevent the phenomenon of poor contact caused by the sliding of the labor-saving wrench 10 due to the shaking of the product during the use after mutual matching.

[0040] Obviously, the above embodiments are only examples for clearly illustrating, but not limitation to the embodiments. Other different forms of changes or variations can be made on the basis of the above description for those skilled in the art. Here, it is not necessary and also impossible to enumerate all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present utility model creation.

Claims

1. A large-current assembled wire-to-board connector characterized by, The wire-to-board connector comprises a housing, a wrench, a connecting assembly, a male end assembly and a female end assembly. The wrench is installed on one side of the housing, the connecting assembly is installed on the housing and connected with the outside, the male end assembly is installed on one side of the housing, and the female end assembly is installed on the male end assembly.

2. The large current assembled wire-to-board connector of claim 1, wherein, The wrench is provided with a connecting hole and matched with a connecting pin on the housing to enable the wrench to be installed on the housing, and one end of the wrench is provided with a movable buckle.

3. The high current assembled wire-to-board connector of claim 1, wherein, The connecting assembly comprises a fixed lock, a first sealing ring and a wire. The fixed lock is fixedly installed on the housing, the first sealing ring is located in the housing and matched with the fixed lock, one end of the wire passes through the fixed lock and the first sealing ring into the housing, and the other end of the wire is connected with the outside.

4. The high current assembled wire-to-board connector of claim 3, wherein, The male end assembly comprises a male end terminal, a contact protection head, a second sealing ring, a male end positioning member and a third sealing ring. The male end positioning member is fixedly connected with one end of the housing, the second sealing ring is installed between the male end positioning member and the housing, the male end terminal is installed in the male end positioning member, the contact protection head is installed on one end of the male end terminal, the other end of the male end terminal is connected with the wire, and the third sealing ring is installed on the male end positioning member.

5. The high current assembled wire-to-board connector of claim 4, wherein, The female end assembly comprises a female end terminal, a female end positioning member and a sealing gasket. The female end positioning member is matched with the male end positioning member through the third sealing ring, the sealing gasket is installed on the female end positioning member, and the female end terminal is installed in the female end positioning member and matched with one end of the contact protection head.

6. The high current assembled wire-to-board connector of claim 5, wherein, The male end terminal and the female end terminal adopt a 2+2+13 pin structure.