CN211700832U

CN211700832U - Large-current connector with contact pin assembly

Info

Publication number: CN211700832U
Application number: CN202020838856.7U
Authority: CN
Inventors: 蒋芳芳; 李圣强; 马波; 唐继; 赵冬; 何东林
Original assignee: Sichuan Huafeng Enterprise Group Co
Current assignee: Sichuan Huafeng Technology Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-10-16
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a heavy current connector with contact pin subassembly, including socket shell, socket mounting panel, contact pin subassembly and jack subassembly, install the socket mounting panel in the socket shell, the jack subassembly is installed on the socket mounting panel, and the contact pin subassembly includes plug mounting panel, plug shell and contact pin, and the plug mounting panel is connected with the plug shell, and the contact pin is installed in the plug mounting panel, and the contact pin cooperates with the jack subassembly grafting, and the helmet is installed to the head of contact pin. The utility model has the advantages that: the contact pin is provided with a protective cap which can effectively prevent the contact pin from generating arcing when being separated from the socket assembly; the end cover is provided with a lock catch, and under the action of the tension spring, the lock catch arranged on the end cover tightly buckles the annular groove of the plug shell, so that the plug assembly has a back-off backstop function, the looseness of the plug assembly and the jack assembly is avoided, and the reliability of the insertion combination of the plug assembly and the jack assembly is ensured.

Description

Large-current connector with contact pin assembly

Technical Field

The utility model relates to a heavy current connector, especially a heavy current connector with contact pin subassembly.

Background

With the rapid development of the industry, high-current connectors have become an indispensable part of modern electrical equipment, and the advancement of the high-current connectors in structural design and material use makes the connectors outstanding in electrical performance.

The durable and reliable high-current connector depends on a good connection mode and a locking mode, and the connection reliability of the high-current connector is tested in a severe vibration and impact environment.

The traditional high-current connector adopts a bayonet locking mode or a screw locking mode, and cannot cope with increasingly severe service environments. Bayonet locking connectors are limited to relatively small volume connectors and are not suitable for connectors requiring high voltage resistance and large insulation. The screw locking connector needs a large installation space, the insertion of the connector is not guided by the force of a locking mechanism, and for the connector with large current, the screw locking connector is difficult to insert and pull and difficult to insert. In addition, the traditional high-current connector has long instantaneous disconnection time and is easy to loosen under the severe vibration and impact environmental conditions, and the reliability and the stability of the connector are not guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a heavy current connector with contact pin subassembly.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a heavy current connector with contact pin subassembly, includes socket shell, socket mounting panel, contact pin subassembly and jack subassembly, installs the socket mounting panel in the socket shell, and the jack subassembly is installed on the socket mounting panel, and the contact pin subassembly includes plug mounting panel, plug shell and contact pin, and the plug mounting panel is connected with plug shell, and the contact pin is installed in the plug mounting panel, and the cooperation of pegging graft of contact pin and jack subassembly, and the helmet is installed to the head of contact pin.

Preferably, the protective cap is fixed on the head of the contact pin in a riveting mode.

Preferably, the protective cap is made of high-temperature and high-pressure resistant insulating materials.

Preferably, the tail of the contact pin is provided with a hexagonal step b, and the plug mounting plate is provided with a hexagonal limiting hole b matched with the hexagonal step b.

Preferably, the socket assembly is provided with a hexagonal step a, and the socket mounting plate is provided with a hexagonal limiting hole a matched with the hexagonal step a.

Preferably, the tail part of the jack component is provided with an elastic jack, and the plug is plugged with the elastic jack.

Preferably, a wire protecting sleeve and a sealing sleeve are installed in the plug shell, and the wire protecting sleeve is located between the sealing sleeve and the contact pin.

Preferably, the socket shell is provided with a rotatable double-groove shaft, the double-groove shaft is provided with an end cover, the socket shell is further provided with a tension spring, and the other end of the tension spring is connected with the end cover.

Preferably, the inner side wall of the end cover is provided with a lock catch, the plug shell is provided with an annular groove, and the lock catch is arranged in the annular groove under the action of the tension spring.

Preferably, the lock catch comprises a connecting block and a stop block, an acute angle is formed between the stop block and the connecting block, and the stop block abuts against the annular groove.

The utility model has the advantages of it is following: the large-current connector with the contact pin assembly has the advantages that the contact pin is provided with the protective cap, and the protective cap can effectively prevent the contact pin from generating flashover when being separated from the jack assembly; the pin assembly and the socket assembly are both fixed in a hexagonal manner, so that the pin assembly and the socket assembly can be prevented from rotating, and the stability of the insertion combination of the pin assembly and the socket assembly is ensured; the end cover is provided with a lock catch, and under the action of the tension spring, the lock catch arranged on the end cover tightly buckles the annular groove of the plug shell, so that the plug assembly has a back-off backstop function, the looseness of the plug assembly and the jack assembly is avoided, and the reliability of the insertion combination of the plug assembly and the jack assembly is ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the end cap after opening;

FIG. 3 is a schematic view of a pin assembly and a socket assembly;

FIG. 4 is a schematic structural view of a pin assembly;

FIG. 5 is a schematic structural view of a plug housing;

FIG. 6 is a schematic structural view of a receptacle assembly;

FIG. 7 is a schematic view of the structure of the socket mounting plate;

FIG. 8 is a schematic view of the latch;

in the figure, 1-end cover, 2-lock catch, 3-double-groove shaft, 4-seal ring, 8-socket shell, 9-socket mounting plate, 10-socket assembly, 11-junction block, 12-fastening nut, 16-hanging piece, 17-tension spring, 18-plug mounting plate, 19-protective cap, 20-contact pin, 21-limiting nut, 22-plug shell, 23-wire sheath, 24-sealing sleeve, 26-connecting plate, 27-hexagonal step b, 28-connecting block, 29-stop block, 33-hexagonal step a, 34-elastic jack, 35-hexagonal limiting hole a, 36-annular groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, a high current connector with a pin assembly comprises a socket housing 8, a socket mounting plate 9 and an end cover 1, wherein the socket mounting plate 9 is installed in the socket housing 8, a jack assembly 10 is installed in the socket mounting plate 9, the jack assembly 10 is connected with a pin assembly in a plugging manner, further, as shown in fig. 3 and 4, the pin assembly comprises a plug mounting plate 18, a plug housing 22 and pins 20, the plug mounting plate 18 is connected with the plug housing 22, the pins 20 are installed in the plug mounting plate 18, the pins 20 are matched with the jack assembly 10 in a plugging manner, the heads of the pins 20 are provided with protective caps 19, in this embodiment, the protective caps 19 are fixed at the heads of the pins 20 by riveting, the protective caps 19 are made of high temperature and high pressure resistant insulating materials, the protective caps 19 can effectively prevent flashover when the pins 20 are separated from the jack assembly 10, further, the tail of the contact pin 20 is provided with a hexagonal step b27, a hexagonal limiting hole b matched with the hexagonal step b27 is formed in the plug mounting plate 18, the hexagonal step b27 and the hexagonal limiting hole b are formed, so that the contact pin 20 can be prevented from rotating, after the hexagonal step b27 is matched with the hexagonal limiting hole b, the contact pin is locked through the locking nut 21, the locking nut 21 needs to be screwed deeply into the plug mounting plate 18, the locking nut 21 is a slotted nut, a groove is formed in one side of the locking nut 21, and a screwing tool is placed into the groove of the locking nut 21 to be screwed.

In the present embodiment, as shown in fig. 6, a hexagonal step a33 is disposed on the socket assembly 10, as shown in fig. 7, a hexagonal limiting hole a35 matched with the hexagonal step a33 is disposed on the socket mounting plate 9, and similarly, the socket assembly 10 can be prevented from rotating by the hexagonal step a33 and the hexagonal limiting hole a35, and further, an external thread is disposed on the socket assembly 10, after the hexagonal step a33 is matched with the hexagonal limiting hole a35, the external thread is located on the outer side of the socket mounting plate 9, and then the external thread is matched with the nut, after the nut is locked, the socket mounting plate 9 is connected with the socket assembly 10, and the socket assembly 10 is fixed, so as to prevent the socket assembly 10 from moving up and down.

In this embodiment, the contact pin 20 and the jack assembly 10 are made of copper alloy materials, the surface is plated with nickel, and the contact resistance is reduced, preferably, the contact pin 20 is a rigid contact member, the jack is an elastic contact member, the tail of the jack assembly 10 is set as an elastic jack 34, the plug is plugged into the elastic jack 34, the elastic jack 34 is a split slot type jack, the jack is closed after slot splitting, and then the elastic ring is installed at the slot splitting position of the jack, so as to prevent deformation after multiple plugging.

In this embodiment, as shown in fig. 1, a tension spring 17 is further installed on the socket housing 8, the other end of the tension spring 17 is connected to the end cover 1, further, a connecting plate 26 is installed at one end of the socket housing 8, which is far away from the end cover 1, the connecting plate 26 is a rectangular plate, through holes are formed in four corners, a hanging sheet 16 is installed on the connecting plate 26, preferably, the hanging sheet 16 is detachably connected to the connecting plate 26 through screws, one end of the tension spring 17 is connected to the hanging sheet 16, the tension spring 17 is in a stretching state for a long time, so that the tension spring 17 always applies a pulling force to the end cover 1, and therefore, a holding force is provided for the pin assembly, the jack assembly and the plugging, further, a sealing ring 4 is installed at a port of the socket housing 8, and therefore.

In this embodiment, the end cover 1 is provided with a notch, connecting arms are formed on two sides of the notch, through holes connected with the double-groove shafts 3 are formed in the connecting arms, the connecting arms are respectively connected with two ends of the corresponding double-groove shafts 3 and are fixed through pin shafts, the double-groove shafts 3 are sequentially inserted into the through holes of the corresponding connecting arms during installation, then the pin shafts are inserted, so that the end cover 1 is connected with the double-groove shafts 3, and further, the axis of the pin shafts is perpendicular to the axis of the double-groove shafts 3.

In this embodiment, as shown in fig. 1 and fig. 2, a junction block 11 is installed on a jack assembly 10, the junction block 11 is located outside a socket mounting plate 9, preferably, the junction block 11 is fixed with the socket mounting plate 9, the jack assembly 10 is fixed with the junction block 11 by a fastening nut 12, in order to ensure stability of current transmission and reduce contact resistance, the jack assembly 10 is matched with the junction block 11 by a taper slope, the junction block 11 is in an inclined T-shaped structure, a taper hole is formed at a position matched with a jack, a groove is formed in a horizontal direction, the groove is in a cross structure, after a cable is crimped on a connection terminal, the connection terminal is fixed in the groove of the junction block 11 by a screw, the cross structure groove better utilizes space to enlarge installation space of the connection terminal, and the cross groove enables the connection terminal to meet installation requirements of the connection.

In this embodiment, as shown in fig. 3 and 4, a wire protecting sleeve 23 and a sealing sleeve 24 are installed in the plug housing 22, the wire protecting sleeve 23 is located between the sealing sleeve 24 and the plug pin 20, the wire protecting sleeve 23 is used for fixing a cable, the sealing sleeve 24 is used for sealing the cable, and further, the tail of the plug pin 20 can be designed to be a press-fit tail hole or a welding tail hole according to the user requirement.

In this embodiment, as shown in fig. 2, the latch 2 is mounted on the inner side wall of the end cap 1, as shown in fig. 5, an annular groove 36 is formed on the plug housing 22, the latch 2 abuts against the annular groove 36 under the action of the tension spring 17, further, as shown in fig. 8, the latch 2 includes a connecting block 28 and a stopper 29, an acute angle is formed between the stopper 29 and the connecting block 28, the stopper 29 abuts against the annular groove 36, the annular groove 36 has an inclined surface, and the stopper 29 also has an inclined surface, so as to facilitate the engagement between the stopper 29 and the annular groove 36, when the stopper 29 abuts against the annular groove 36, the end cap 1 has a tendency to move towards the socket housing 8 under the action of the tension spring 17, so as to ensure the reliability of the stopper 29 abutting against the annular groove 36, and the plug housing 22 receives a pushing force, so that the plug housing 22 has a back-locking function, and prevent the plug pin 20 from being separated from the, thereby increasing the stability and reliability of the connector.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A high current connector with a pin assembly, comprising: including socket shell, socket mounting panel, contact pin subassembly and jack subassembly, install in the socket shell the socket mounting panel, the jack subassembly is installed on the socket mounting panel, the contact pin subassembly includes plug mounting panel, plug shell and contact pin, the plug mounting panel with the plug shell is connected, the contact pin is installed in the plug mounting panel, the contact pin with the jack subassembly cooperation of pegging graft, just the helmet is installed to the head of contact pin.

2. The high current connector with pin assembly of claim 1, wherein: the protective cap is fixed on the head of the contact pin in a riveting mode.

3. The high current connector with pin assembly of claim 2, wherein: the protective cap is made of high-temperature and high-pressure resistant insulating materials.

4. A high current connector with a pin assembly according to claim 1 or 3, wherein: the tail of the contact pin is provided with a hexagonal step b, and the plug mounting plate is provided with a hexagonal limiting hole b matched with the hexagonal step b.

5. The high current connector with pin assembly of claim 4, wherein: the socket mounting plate is characterized in that a hexagonal step a is arranged on the socket assembly, and a hexagonal limiting hole a matched with the hexagonal step a is formed in the socket mounting plate.

6. The high current connector with pin assembly of claim 5, wherein: the tail part of the jack component is provided with an elastic jack, and the plug is inserted into the elastic jack.

7. The high current connector with pin assembly of claim 6, wherein: and a wire protecting sleeve and a sealing sleeve are installed in the plug shell, and the wire protecting sleeve is positioned between the sealing sleeve and the contact pin.

8. The high current connector with pin assembly of claim 1, wherein: the socket is characterized in that a rotatable double-groove shaft is mounted on the socket shell, an end cover is mounted on the double-groove shaft, a tension spring is further mounted on the socket shell, and the other end of the tension spring is connected with the end cover.

9. The high current connector with pin assembly of claim 8, wherein: the inner side wall of the end cover is provided with a lock catch, the plug shell is provided with an annular groove, and the lock catch is arranged in the annular groove under the action of the tension spring.

10. The high current connector with pin assembly of claim 9, wherein: the lock catch comprises a connecting block and a stop block, an acute angle is formed between the stop block and the connecting block, and the stop block abuts against the inside of the annular groove.