Industrial plug and industrial connector with integrated shell

Abstract

The invention discloses an integrated industrial plug, comprising: a plug housing, a core plug assembly, a sealing plug head and a locking nut, wherein a locking protrusion and at least one locking boss are provided on the inner wall of the plug housing; the core plug assembly comprises a core plug fixing portion and a core plug; an outer side wall of the core plug fixing portion is provided with a first clamping groove matched with the locking boss; an outer side edge of the core plug fixing portion is also provided with a tongue-shaped spring, and the tongue-shaped spring is provided with a second clamping groove matched with the locking protrusion; the core plug is fixedly installed on the core plug fixing portion, the first clamping groove is clamped with the locking boss, and the second clamping groove is clamped with the locking protrusion, so that the core plug assembly is detachably installed inside the plug housing; the clamping connection between the core plug assembly and the plug housing is realized; in the process of clamping the core plug assembly and the plug housing, it is not necessary to screw in screws for fixing, and the installation efficiency is higher.

Description

Technical Field

[0001] The invention relates to the field of industrial plugs, and more particularly to an industrial plug with an integrated shell and an industrial connector. Background Art

[0002] At present, the shell of an industrial plug or connector with an integrated shell is integral and has good sealing and waterproof performance and impact-resistant structural performance; it is composed of an integrated sealed shell component and a plug (or socket) main body component. When using it, the user connects the wires and uses screws to fix the plug core or socket main body component to the integrated shell; during installation, a screwdriver is needed to tighten the connecting screws, which has low installation efficiency and is time-consuming and labor-intensive.

[0003] Therefore, how to provide an integrated industrial plug that is easy to install is a problem that needs to be solved urgently by those skilled in the art. Summary of the invention

[0004] The present invention solves one of the above-mentioned technical problems in the prior art at least to a certain extent.

[0005] In view of this, the present invention aims to provide an integrated industrial plug, which realizes the rapid splicing and assembly of the plug housing and the plug core assembly by adopting a double clamping and fixing method, thereby greatly improving the assembly efficiency and reducing the labor cost.

[0006] In order to achieve the above object, the present invention adopts the following technical solution:

[0007] An industrial plug with an integrated shell includes: a plug housing, a plug core assembly, a sealing plug and a locking nut;

[0008] The plug housing has two openings at both ends, one end is a plug-in end, and the other end is a wiring end, and the inner wall thereof is provided with a locking protrusion and at least one locking boss;

[0009] The ferrule assembly comprises a ferrule fixing portion and a ferrule; the outer wall of the ferrule fixing portion is provided with a first slot adapted to the locking boss; the outer edge of the ferrule fixing portion is also provided with a tongue-shaped spring, and the tongue-shaped spring is provided with a second slot adapted to the locking boss;

[0010] The ferrule is mounted on the ferrule fixing portion; the first card slot is engaged with the locking boss, the second card slot is engaged with the locking protrusion, the ferrule fixing portion is detachably mounted inside the plug housing, and the ferrule faces the plug-in port;

[0011] The sealing plug is clamped in a locking nut, and the locking nut is detachably mounted on the wiring terminal of the plug housing.

[0012] It can be seen from the above technical solution that, compared with the prior art, the present invention discloses an industrial plug with an integrated shell, by arranging a locking protrusion and a locking boss on the inner wall of the plug shell; and realizing the clamping connection between the plug core assembly and the plug shell by a first clamping groove on the plug core fixing portion and a second clamping groove on the tongue-shaped spring; in the process of realizing the clamping connection between the plug core assembly and the plug shell, there is no need to screw in screws for fixing, and the installation efficiency is higher.

[0013] Preferably, in the above-mentioned industrial plug with an integrated shell, the core fixing portion is a circular plate, a fixing cylinder adapted to the core is provided in the middle, and the core is fixed in the fixing cylinder; this scheme is a preferred implementation method for fixing the core.

[0014] Preferably, in the above-mentioned one-piece shell industrial plug, the plug housing is in the shape of a round tube; the locking boss is an arc-shaped convex block that fits the inner wall of the plug housing, and its clamping end surface is also provided with a self-locking convex strip;

[0015] The first card slot is an "L"-shaped card slot opened on the outer side wall of the plug fixing part, and is composed of a sliding slot and a card connection slot that are perpendicular to and connected to each other. The card connection end of the card connection slot is provided with a card connection convex strip that is adapted to the self-locking convex strip; the locking boss slides along the sliding slot, and the locking boss is rotated along the card connection slot, and the self-locking convex strip and the card connection convex strip complete the card connection; this scheme is a better scheme to achieve double card connection between the card holder and the plug housing, and has stronger stability.

[0016] Preferably, in the above-mentioned industrial plug with an integrated shell, the inner wall of the plug shell has a plurality of limiting ribs along the axial direction thereof; this solution can enhance the stability of the plug fixing portion during use.

[0017] Preferably, in the above-mentioned one-piece shell industrial plug, the tongue-shaped spring is arranged along the outer wall edge of the plug fixing portion, and a gap is left between the clamping end and the plug fixing portion; the free end of the tongue-shaped spring forms a slideway with the outer wall of the plug fixing portion and the inner wall of the plug housing;

[0018] The locking boss slides in along one end of the first slot, the locking protrusion slides down along the slideway, the plug fixing part is rotated, the locking boss and the first slot are snapped together, and at the same time the tongue-shaped spring is squeezed by the locking protrusion and deviates toward the axial direction of the plug fixing part, the locking protrusion slides into the second slot, the tongue-shaped spring is reset, and the snap connection is completed; this solution can realize quick snap-in fixation while also enabling the plug assembly and the plug housing to be disassembled by turning the tongue-shaped spring and rotating the plug in the opposite direction, which is convenient and quick to operate.

[0019] Preferably, in the above-mentioned industrial plug with an integrated shell, the locking protrusion and the corresponding side of the second slot are both provided with an interlocking angle; this solution can enhance the interlocking effect and further improve the stability of the clamping when the locking protrusion is clamped with the second slot.

[0020] An industrial connector comprises an industrial plug, wherein the industrial plug is the above-mentioned industrial plug with an integrated shell.

[0021] It can be seen from the above technical solutions that, compared with the prior art, the present invention discloses an industrial connector, which can be quickly assembled by adopting the above industrial plug, thereby greatly improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0023] Figure 1 The accompanying drawing is a schematic diagram of the decomposition structure of the present invention;

[0024] Figure 2 The accompanying drawings are perspective views of the present invention;

[0025] Figure 3 The accompanying drawing is a schematic structural diagram of the core plug assembly of the present invention;

[0026] Figure 4 The accompanying drawing is a top view of the plug housing of the present invention;

[0027] Figure 5 The accompanying drawing is a schematic diagram of the plug housing and the plug core assembly of the present invention before being connected;

[0028] Figure 6 The accompanying drawing is a schematic diagram of the plug housing and the plug core assembly of the present invention being connected.

[0029] Attached photos

[0030] Plug housing 1, locking protrusion 10, locking boss 11;

[0031] Insert assembly 2, insert fixing portion 20, first clamping slot 200, tongue spring 201, second clamping slot 202, fixing cylinder 203, insert 21;

[0032] Sealing plug 3, locking nut 4. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Please refer to the attached Figure 1-6 An industrial plug with an integrated housing of the present invention comprises:

[0035] Plug housing 1, plug core assembly 2, sealing plug 3 and locking nut 4;

[0036] The plug housing 1 has two openings at both ends, one end is a plug-in end, and the other end is a wiring end, and a locking protrusion 10 and at least one locking boss 11 are provided on the inner wall thereof;

[0037] The ferrule assembly 2 includes a ferrule fixing portion 20 and a ferrule 21; the outer wall of the ferrule fixing portion 20 is provided with a first slot 200 adapted to the locking boss 11; the outer edge of the ferrule fixing portion 20 is also provided with a tongue-shaped spring 201, and the tongue-shaped spring 201 is provided with a second slot 202 adapted to the locking protrusion 10;

[0038] The ferrule 21 is mounted on the ferrule fixing portion 20; the first card slot 200 is engaged with the locking boss 11, and the second card slot 202 is engaged with the locking protrusion 10, and the ferrule fixing portion 20 is detachably mounted inside the plug housing 1, with the ferrule 21 facing the plug end port;

[0039] The sealing plug 3 is clamped in the locking nut 4 , and the locking nut 4 is detachably mounted on the wiring terminal of the plug housing 1 .

[0040] In some embodiments of the present invention, the ferrule fixing portion 20 is a circular plate, a fixing cylinder 203 adapted to the ferrule 21 is provided in the middle thereof, and the ferrule 21 is fixed in the fixing cylinder 203 .

[0041] Specifically, the inner wall of the plug housing 1 has a plurality of limiting ribs along the axial direction thereof, which can enhance the stability of the ferrule fixing portion 20 during use.

[0042] Specifically, one end of the insert 21 is provided with a screw for fixing the wire.

[0043] Specifically, one end of the fixing tube 203 is a mounting end, which is provided with a strip groove, and the wire is placed in the strip groove, and the ferrule 21 is fixed on the ferrule 21 by screws.

[0044] In some embodiments of the present invention, the plug housing 1 is in the shape of a circular tube; the locking boss 11 is an arc-shaped convex block that fits the inner wall of the plug housing 1, and its clamping end surface is also provided with a self-locking convex strip;

[0045] The first card slot 200 is an "L"-shaped card slot opened on the outer wall of the plug fixing part 20, which is fitted. It is composed of a sliding groove and a card connection groove that are perpendicular and connected to each other. The card connection end of the card connection groove is provided with a card connection convex strip that is adapted to the self-locking convex strip; the locking boss 11 slides along the sliding groove, and the locking boss 11 is rotated along the card connection groove, and the self-locking convex strip and the card connection convex strip complete the card connection.

[0046] Specifically, the tongue-shaped spring 201 is arranged along the outer wall edge of the ferrule fixing portion 20, and a gap is left between its clamping end and the ferrule fixing portion 20; the free end of the tongue-shaped spring 201 forms a slideway with the outer wall of the ferrule fixing portion 20 and the inner wall of the plug housing 1;

[0047] The locking boss 11 slides in along one end of the first slot 200, and the locking protrusion 10 slides down along the slideway, and the core fixing part 20 is rotated, so that the locking boss 11 and the first slot 200 are connected. At the same time, the tongue-shaped spring 201 is squeezed by the locking protrusion 10 and deviates toward the axial direction of the core fixing part 20, and the locking protrusion 10 slides into the second slot 202, and the tongue-shaped spring 201 is reset to complete the connection.

[0048] Specifically, the locking protrusion 10 and the corresponding side of the second slot 202 are both provided with an interlocking angle.

[0049] The installation method of the present invention is as follows: the ferrule 21 is passed through the fixing tube 203 of the ferrule fixing part 20 to complete the splicing of the ferrule assembly 2;

[0050] Pass the electric wire through the sealing plug 3 and the locking nut 4 and along the wiring end of the plug housing 1 to connect with the ferrule 21;

[0051] Align the sliding groove of the first card slot 200 of the spliced ​​core fixing part 20 with the locking boss 11, and slide downward, while the locking protrusion 10 moves downward along the slideway formed by the free end of the elastic card tongue 201 and the core fixing part 20 and the inner wall of the plug housing 1; rotate the core 21 to drive the core fixing part 20 to rotate, and the locking convex strip of the locking boss is engaged with the self-locking convex strip of the engaging groove of the first card slot 200; at the same time, the tongue-shaped spring 201 is squeezed by the locking protrusion 10 and deviates toward the axial direction of the core fixing part 20, and the locking protrusion 10 slides into the second card slot 202, and the tongue-shaped spring 201 is reset to complete the engagement;

[0052] The sealing plug 3 and the locking nut 4 are screwed onto the wiring terminal of the plug housing 1 to complete the assembly.

[0053] An industrial connector comprises an industrial plug, wherein the industrial plug is an industrial plug adopting the above-mentioned integrated shell.

[0054] In the description of the present invention, it is necessary to understand that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0055] In the present invention, unless otherwise clearly specified and limited, terms such as "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0057] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An industrial plug with an integrated housing, characterized in that: include: Plug housing (1), plug core assembly (2), sealing plug (3) and locking nut (4); The plug housing (1) has openings at both ends, one end being a plug-in end and the other end being a wiring end, and its inner wall is provided with a locking protrusion (10) and at least one locking boss (11); The ferrule assembly (2) comprises a ferrule fixing portion (20) and a ferrule (21); the outer wall of the ferrule fixing portion (20) is provided with a first clamping groove (200) adapted to the locking boss (11); the outer edge of the ferrule fixing portion (20) is also provided with a tongue-shaped spring (201), and the tongue-shaped spring (201) is provided with a second clamping groove (202) adapted to the locking protrusion (10); the locking protrusion (10) and the second clamping groove (202) are both provided with interlocking angles on corresponding sides; The ferrule (21) is mounted on the ferrule fixing portion (20); the first clamping groove (200) is clamped with the locking boss (11), and the second clamping groove (202) is clamped with the locking protrusion (10), so that the ferrule fixing portion (20) is detachably mounted inside the plug housing (1), with the ferrule (21) facing the plug-in end port; the tongue-shaped spring (201) is arranged along the outer wall edge of the ferrule fixing portion (20), with a gap between its clamping end and the ferrule fixing portion (20); the free end of the tongue-shaped spring (201) forms a slideway with the outer wall of the ferrule fixing portion (20) and the inner wall of the plug housing (1); The locking protrusion (11) slides in along one end of the first slot (200), the locking protrusion (10) slides down along the slideway, the plug fixing part (20) is rotated, the locking protrusion (11) and the first slot (200) are connected, and at the same time, the tongue-shaped spring (201) is squeezed by the locking protrusion (10) and deviates toward the axial direction of the plug fixing part (20), the locking protrusion (10) slides into the second slot (202), and the tongue-shaped spring (201) is reset, completing the connection; The sealing plug (3) is clamped in a locking nut (4), and the locking nut (4) is detachably mounted on a connection terminal of the plug housing (1).

2. An industrial plug with an integrated housing according to claim 1, characterized in that: The insert core fixing portion (20) is a circular plate, and a fixing cylinder (203) adapted to the insert core (21) is provided in the middle thereof, and the insert core (21) is fixed in the fixing cylinder (203).

3. An industrial plug with an integrated housing according to claim 2, characterized in that: The plug housing (1) is in the shape of a circular tube; the locking boss (11) is an arc-shaped convex block that fits the inner wall of the plug housing (1), and its clamping end surface is also provided with a self-locking convex strip; The first locking groove (200) is an "L"-shaped locking groove formed on the outer wall of the plug fixing portion (20) and is composed of a sliding groove and a locking groove which are perpendicular to each other and connected. The locking end of the locking groove is provided with a locking convex strip which is adapted to the self-locking convex strip. The locking boss (11) slides along the sliding groove, and the locking boss (11) is rotated along the locking groove, so that the self-locking convex strip and the locking convex strip are locked.

4. The industrial plug with an integrated housing according to claim 3, characterized in that: The inner wall of the plug housing (1) has a plurality of limiting ribs along its axial direction.

5. An industrial connector, comprising an industrial plug, characterized in that: The industrial plug is an industrial plug using the integrated housing described in any one of claims 1 to 4.

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