CN219393769U - Connector - Google Patents

Abstract

The utility model provides a connector, includes the socket shell, is equipped with first insulator in the socket shell, and first insulator is installed in the socket shell through first stationary blade, has seted up the mounting hole on the first insulator, installs female needle core on the mounting hole, and the wiring end of female needle core stretches out outside the mounting hole, and the interface end of female needle core is equipped with semicircular reed relatively, has the clearance between two semicircular reeds, and the width in clearance reduces gradually. The semicircular reeds which are oppositely arranged at the interface end of the female needle core are utilized, when the male needle core is inserted, the semicircular reeds are extruded under the limiting action of the mounting holes, so that the semicircular reeds and the male needle core form a double-pressure spring structure, the stability of communication with the male needle core under different states is ensured, and the reliability of the connector is improved.

Description

Connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a connector.

Background

The connector is an electromechanical element for connecting an electric appliance circuit, has the advantages of convenience in assembly, high safety coefficient, good three-proofing performance and the like, is extremely widely applied, and is a key product for ensuring the accuracy and the reliability of electric signal transmission.

The connector is divided into a plug and a socket, wherein the plug is connected to one instrument, the socket is connected to the other instrument, and the two instruments are connected through a male pin core in the plug and a female pin core in the socket so as to realize electrical connection. The existing inner female needle core is usually of a wire spring structure, the contact area is small when the inner female needle core and the male needle core are inserted mutually, effective communication with the male needle core is difficult to ensure, and connection stability is poor.

Disclosure of Invention

The utility model aims to provide a connector, which solves the problems that the contact area of the structure of the existing inner female needle core is small when the structure is inserted with a male needle core, effective communication with the male needle core is difficult to ensure, and the connection stability is poor.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides a connector, includes the socket shell, be equipped with first insulator in the socket shell, first insulator is installed through first stationary blade in the socket shell, the mounting hole has been seted up on the first insulator, install female needle core on the mounting hole, the wiring end of female needle core stretches out outside the mounting hole, the interface end of female needle core is equipped with semicircular reed relatively, two have the clearance between the semicircular reed, just the width in clearance reduces gradually.

The traditional wire spring structure is canceled, two opposite semicircular reeds are arranged at the interface end instead, the semicircular reeds are limited by the mounting holes when the male needle core is inserted, the contact area between the semicircular reeds and the male needle core is larger than that of the traditional wire spring structure, and a double-pressure spring designed structure is formed, so that the contact with the male needle core is guaranteed to be full, and the connection stability is improved.

Further, the semicircular reed and the female needle core are integrally formed, and a guide surface is arranged at one end of the semicircular reed, which is far away from the female needle core.

The structure strength of the connecting part is improved by adopting an integrally formed structure, and the guide surface is beneficial to the insertion of the male pin core between the two semicircular reeds.

Further, the end part of the semicircular reed is positioned in the mounting hole, a guide groove is formed in the port of the mounting hole, and the small opening end of the guide groove is smaller than the size of the mounting hole.

The guide slot that sets up leads public needle core, makes public needle core can get into mounting hole and female needle core cooperation safely smoothly, and guide slot osculum end size is less than the size of mounting hole is spacing and guiding public needle core, makes it form the multiple point contact with semicircular reed, ensures the stability of the intercommunication under different states.

Further, the plug is characterized by further comprising a plug shell, a sheath is arranged outside the plug shell, a self-locking snap ring is arranged between the plug shell and the sheath, a plurality of self-locking elastic pieces are integrally formed on the self-locking snap ring, self-locking teeth are arranged on the outer side wall of the self-locking elastic pieces, through holes for the self-locking teeth to penetrate out are formed in the sheath, and locking grooves for adapting to the self-locking teeth are formed in the inner wall of the socket shell.

The self-locking teeth are matched with the locking grooves to form a self-locking structure, so that the complicated process in the traditional threaded connection is omitted, and the disassembly and assembly are more convenient.

Further, the plug part of the plug shell protrudes out of the port of the sheath, and a sealing ring matched with the plug part is arranged in the socket shell.

The sealing ring is matched with the self-locking structure, so that the sealing performance of the connecting part is ensured after the plug and the socket are self-locked.

Further, be equipped with the second insulator in the plug shell, the second insulator passes through the second stationary blade to be installed in the plug shell, the rear end of second stationary blade is equipped with metal pad, fastener in proper order, the metal pad with be equipped with the sealing member between the fastener, the sealing member includes sealing washer, sealing washer orientation one side sealing ring of fastener, the external diameter size of sealing ring with the internal diameter size looks adaptation of fastener.

The sealing gasket and the sealing ring are tightly coated outside the cable under the action of the cable clamp, the sealing area is large, and the sealing effect is better.

Further, the sealing gasket and the sealing ring are integrally formed, and one end, far away from the sealing gasket, of the sealing ring extends out of the wire clamp.

The sealing ring extends out of the wire clamp, so that the coating range of the wire clamp is larger, and the anti-falling convex teeth at the tail end of the wire clamp can be separated from being contacted with the rubber layer outside the wire clamp, so that the wire clamp is protected.

Further, the inner side wall of the wire clamp, which is far away from the sealing gasket, is provided with anti-falling convex teeth which are matched with the sealing ring.

The anti-falling convex teeth are used for tightly attaching the sealing ring to the rubber layer of the cable by extruding the sealing ring, so that the cable is prevented from falling off.

Further, a tail cover matched with the wire clamp is arranged at the rear end of the plug shell, and the tail cover is in threaded connection with the plug shell.

Further, a threaded part for installing the tail cover is arranged at the rear end of the plug shell, a positioning notch is formed in the threaded part, and a lug matched with the positioning notch is arranged on the outer side wall of the wire clamp.

When the wire clamp is inserted into the plug shell, the lug is clamped into the positioning notch, and the wire clamp is prevented from rotating along with the tail cover during screwing and installing, so that abrasion to the sealing gasket and the sealing ring is prevented.

The beneficial effects of the utility model are as follows:

1. the semicircular reeds which are oppositely arranged at the interface end of the female needle core are utilized, when the male needle core is inserted, the semicircular reeds are extruded under the limiting action of the mounting holes, so that the semicircular reeds are fully contacted with the male needle core, the stability of communication with the male needle core is ensured, and the reliability of the connector is improved.

2. The small opening end of the guide groove is smaller than the size of the mounting hole, and the male needle core is limited and guided to form multipoint contact with the semicircular reed, so that the stability of communication under different states is ensured

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of a female needle;

fig. 5 is a schematic structural view of the self-locking snap ring.

Icon: 1-socket shell, 2-first insulator, 3-first stationary blade, 4-mounting hole, 5-female needle core, 6-semicircular reed, 7-clearance, 8-guide surface, 9-guide slot, 10-plug shell, 1001 plug part, 11-sheath, 12-self-locking snap ring, 1201-self-locking shrapnel, 1202-self-locking tooth, 13-locking slot, 14-sealing ring, 15-second insulator, 16-second stationary blade, 17-metal pad, 18-wire clip, 19-sealing washer, 20-sealing ring, 21 anti-disengaging convex tooth, 22-tail cap, 23-positioning notch, 24-bump.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "parallel," "perpendicular," and the like, do not denote that the components are required to be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel than "perpendicular" and does not mean that the structures must be perfectly parallel, but may be slightly tilted.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

The terms "substantially," "essentially," and the like are intended to be interpreted as referring to the fact that the term is not necessarily to be construed as requiring absolute accuracy, but rather as a deviation. For example: the term "substantially equal to" does not merely mean absolute equality, but is difficult to achieve in actual production and operation, and generally has a certain deviation. Thus, in addition to absolute equality, "approximately equal to" includes the above-described case where there is a certain deviation. In other cases, the terms "substantially", "essentially" and the like are used in a similar manner to those described above unless otherwise indicated.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, one embodiment of the present utility model is:

the utility model provides a connector, includes socket shell 1, be equipped with first insulator 2 in the socket shell 1, first insulator 2 is installed through first stationary blade 3 in the socket shell 1, install mounting hole 4 on the first insulator 2, install female needle core 5 on the mounting hole 4, the wiring end of female needle core 5 stretches out outside mounting hole 4, the interface end of female needle core 5 is equipped with semicircular reed 6 relatively, two have clearance 7 between the semicircular reed 6, just the width of clearance 7 reduces gradually.

The semicircular reed 6 which is oppositely arranged at the interface end of the secondary needle core 5 is utilized, the semicircular reed 6 is extruded when the male needle core is inserted, the semicircular reed 6 and the male needle core form a double-pressure spring structure under the limiting action of the mounting hole 4, the semicircular reed 6 and the male needle core are fully contacted, the stability of communication with the male needle core in different states is ensured, and the reliability of the connector is improved.

Specifically, referring to fig. 4, the semicircular reed 6 is integrally formed with the female needle core 5, and a guiding surface 8 is provided at an end of the semicircular reed 6 away from the female needle core 5.

The structure of integrated into one piece's structure promotes the structural strength of connecting portion, guarantees semi-circular reed's elasticity, and the guide surface is leading to in many public needle cores when public needle core inserts.

Further, the end of the semicircular reed 6 is located in the mounting hole 4, a guide groove 9 is formed at the port of the mounting hole 4, and the small opening end of the guide groove 9 is smaller than the mounting hole 4.

The guide groove 9 is utilized to guide the male needle core, so that the male needle core can smoothly enter the mounting hole to be matched with the female needle core, faults caused by the fact that the male needle core is before insertion are avoided, the size of the small opening end of the guide groove is smaller than that of the mounting hole, the male needle core is limited and guided, the male needle core and the semicircular reed form multipoint contact, and the stability of communication under different states is ensured.

In this embodiment, the sheath 11 is disposed outside the plug housing 10, a self-locking snap ring 12 is disposed between the plug housing 10 and the sheath 11, a plurality of self-locking elastic pieces 1201 are integrally formed on the self-locking snap ring 12, self-locking teeth 1202 are disposed on the outer side wall of the self-locking elastic pieces 1201, a through hole through which the self-locking teeth 1202 penetrate is disposed on the sheath 11, and a locking groove 13 adapted to the self-locking teeth 1202 is disposed on the inner wall of the socket housing 1.

After the plug shell 10 is inserted into the socket shell 1, the self-locking teeth 1202 are clamped into the locking grooves 13, so that the connection between the plug and the socket is realized, the plug is pulled out slightly by force when the plug is taken down, and the assembly and the disassembly are more convenient.

Specifically, as shown in fig. 1 and 2, to prevent the sheath 11 from falling out, a convex ring may be disposed on the plug housing and located at the rear of the sheath, so as to cooperate with the self-locking teeth 1202 to limit the sheath.

Further, as shown in fig. 2, the plug portion 1001 of the plug housing 10 protrudes out of the port of the sheath 11, and a seal ring 14 adapted to the plug portion 1001 is provided in the socket housing 1.

After the installation, the portion of the plug portion 1001 protruding out of the port of the sheath 11 is tightly attached to the seal ring 11, so that the connection portion between the plug and the socket is sealed, and the tightness after connection is ensured. In order to facilitate the disassembly and assembly of the device, the plug portion 1001 and the plug housing 10 are in threaded connection, and a movable space of the self-locking spring plate is reserved at the outer side of the plug portion.

In this embodiment, a second insulator 15 is disposed in the plug housing 10, the second insulator 15 is mounted in the plug housing 10 through a second fixing piece 16, a metal pad 17 and a wire clamp 18 are sequentially disposed at the rear end of the second fixing piece 16, a sealing member is disposed between the metal pad 17 and the wire clamp 18, the sealing member includes a sealing gasket 19, the sealing gasket 19 faces to one side sealing ring 20 of the wire clamp, and the outer diameter of the sealing ring 20 is matched with the inner diameter of the wire clamp 18.

A sealing gasket 19 is arranged between the metal pad 17 and the wire clamp 18, and a sealing ring 20 extending into the wire clamp 18 is arranged on the sealing gasket 19, so that the sealing ring 20 is pressed outside the wire clamp by the action of the wire clamp 18, the cladding property is good, the sealing area is larger, and the sealing property is improved.

Specifically, the sealing washer 19 is integrally formed with the sealing ring 20, and an end of the sealing ring 20 away from the sealing washer 19 extends out of the wire clamp 18.

The inner side wall of the wire clamp 18, which is far away from the sealing washer 19, is provided with anti-drop teeth 21 which are adapted to the sealing ring 20.

The sealing washer 19 and sealing ring 20 integrated into one piece's structure, the intensity of connecting portion is good, is difficult for the damage, through making sealing washer 19 unanimous with sealing ring 20's internal diameter, and cable parcel nature is good, and sealing ring 20 extends outside the fastener 18, and the cladding scope of cable is bigger, and the anti-disengaging tooth 21 at cable clamp tail end's effect is closely laminated with the rubber layer outside the cable, prevents that the cable from deviating from, simultaneously, sealing ring 20 extends outside the fastener, can cut off the anti-disengaging tooth 21 at cable clamp tail end and the outer rubber layer contact of cable, plays the protection to the cable.

In this embodiment, a tail cap 22 adapted to the wire clip is provided at the rear end of the plug housing 10, and the tail cap 22 is screwed with the plug housing 10.

The rear end of the plug housing 10 is provided with a threaded portion for mounting the tail cap 22, a positioning notch 23 is formed in the threaded portion, and a protruding block 24 adapted to the positioning notch 23 is formed in the outer side wall of the wire clamp 18.

The mode of threaded connection is simple in structure and high in reliability, when the on-line clamp is installed, the lug 24 is clamped into the positioning notch 23, then the installation tail cover is screwed tightly to compress the wire clamp, and the wire clamp can be effectively prevented from rotating along with the lug due to the fact that the positioning notch is used for limiting the lug, so that the sealing gasket and the sealing ring are prevented from being subjected to follow-up rotation

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a connector, includes the socket shell, its characterized in that, be equipped with first insulator in the socket shell, first insulator is installed through first stationary blade in the socket shell, the mounting hole has been seted up on the first insulator, install female needle core on the mounting hole, the wiring end of female needle core stretches out outside the mounting hole, the interface end of female needle core is equipped with semicircular reed relatively, two have the clearance between the semicircular reed, just the width in clearance reduces gradually.

2. A connector according to claim 1, wherein the semicircular reed is integrally formed with the female pin, and wherein a guide surface is provided at an end of the semicircular reed remote from the female pin.

3. A connector according to claim 1, wherein the end of the semicircular reed is located in the mounting hole, the port of the mounting hole being provided with a guide groove, the small end of the guide groove being smaller than the size of the mounting hole.

4. A connector according to any one of claims 1-3, further comprising a plug housing, wherein a sheath is arranged outside the plug housing, a self-locking snap ring is arranged between the plug housing and the sheath, a plurality of self-locking spring pieces are integrally formed on the self-locking snap ring, self-locking teeth are arranged on the outer side wall of the self-locking spring pieces, through holes for the self-locking teeth to penetrate are formed in the sheath, and locking grooves adapted to the self-locking teeth are formed in the inner wall of the socket housing.

5. A connector according to claim 4, wherein the plug portion of the plug housing protrudes out of the port of the sheath, and a seal ring is provided in the socket housing to fit the plug portion.

6. The connector of claim 4, wherein a second insulator is disposed in the plug housing, the second insulator is mounted in the plug housing through a second fixing piece, a metal pad and a wire clamp are sequentially disposed at the rear end of the second fixing piece, a sealing member is disposed between the metal pad and the wire clamp, the sealing member comprises a sealing gasket, the sealing gasket faces to one side of the wire clamp, and the outer diameter size of the sealing ring is matched with the inner diameter size of the wire clamp.

7. The connector of claim 6, wherein the sealing washer is integrally formed with the sealing ring, and wherein an end of the sealing ring remote from the sealing washer extends out of the clip.

8. The connector of claim 7, wherein the inner side wall of the clip remote from the sealing gasket is provided with anti-slip teeth adapted to the sealing ring.

9. A connector according to any one of claims 6-8, wherein the rear end of the plug housing is provided with a tail cap adapted to the clip, the tail cap being threadedly connected to the plug housing.

10. The connector of claim 9, wherein the rear end of the plug housing is provided with a threaded portion for mounting the tail cap, the threaded portion is provided with a positioning notch, and the outer side wall of the wire clip is provided with a projection adapted to the positioning notch.