CN218160921U - Front-inserted cable connector - Google Patents

Abstract

The utility model relates to the field of cable joints, in particular to a front-plug type cable joint, which includes a shell, one end of the shell is screwed with a front plug, and a wiring groove is dug in the shell, and two metal conductive sheets are installed in the wiring groove , one end of the two metal conductive sheets is electrically connected to the front plug, one end of the housing is inserted with a cable, the opening of the junction slot is fitted with a cover plate, and a U-shaped card plate is fixedly installed on the cover plate, and the cable is inserted into the One end inside the wiring groove is snapped into the U-shaped clamping plate, and two insulating rods are fixedly installed on the cover plate, and each insulating rod presses a matching wire core on the metal conductive sheet. Insert the end of the cable into the junction groove in the housing. When the wire core at the end of the cable contacts the metal conductive sheet, place the cover plate at the opening of the housing, and then the end of the cable inserted into the housing and the wire core can be fixed. Fixed, no need to pinch the cable with your fingers for positioning, which is convenient for wiring operation and effectively improves the convenience of wiring.

Description

A front plug-in cable connector

technical field

The utility model relates to the field of cable joints, in particular to a front-plug type cable joint.

Background technique

Cable joints are also called cable heads. After the cable is laid, in order to make it a continuous line, each section of the line must be connected as a whole. These connection points are called cable joints. The cable joints in the middle of the cable line are called intermediate joints, and the cable joints at both ends of the line are called terminal heads. The cable gland is used to lock and fix the incoming and outgoing wires. Especially the front plug-in connector at the end of the cable, which is usually connected directly to the electrical equipment or socket.

In the actual use of traditional front plug-in cable connectors, most of them use a split shell. After connecting the cable to the metal conductive sheet inside the shell, the two half shells are butted together and fixed with screws. During the wiring or maintenance process, it is necessary to ensure that the exposed wire core at the end of the cable and the metal conductive sheet are stably connected together before the housing can be fixed together. During this process, the cable needs to be fixed with fingers, which is inconvenient to operate; in view of Therefore, we propose a front plug-in cable connector that can facilitate wiring and improve the firmness of the connection between the cable and the connector.

Utility model content

The purpose of the utility model is to solve the problems in the background technology, and propose a front plug-in cable joint that can facilitate wiring and improve the firmness of the connection between the cable and the joint.

The technical scheme of the utility model: a front plug-in cable joint, including a housing, one end of the housing is screwed with a front plug, and a wiring groove is dug in the housing, and two wiring grooves are fixedly installed in the wiring groove. two metal conductive sheets, one end of the two metal conductive sheets is electrically connected to the front plug, one end of the housing is inserted with a cable, and the inner wire cores of the cable are divided into two groups and conduct electricity with the correspondingly arranged metal The sheet is electrically connected, the opening of the wiring groove is fitted with a cover plate, and a U-shaped clamping plate is fixedly installed on the cover plate, and one end of the cable inserted into the wiring groove is inserted into the U-shaped clamping plate. Two insulating rods are fixedly installed on the cover plate, and each insulating rod presses the matching wire core on the metal conductive sheet.

Preferably, one end of the housing is provided with an internal threaded cover, and an external threaded barrel is fixedly installed on the front plug, and the external threaded barrel is inserted into the internal threaded cover and threaded with it, and a threaded connection structure is adopted, which is convenient for The front plug can be disassembled for easy maintenance.

Preferably, one end of the front plug is fixedly installed with a plurality of ferrules, and the end of the front plug away from the ferrules is fixedly installed with two metal pole pieces, and each of the ferrules is connected to a corresponding metal pole piece. Electrically connected, one end of each metal conductive piece is fixedly installed with a metal shrapnel, and each metal pole piece is in contact with a matching metal shrapnel, ensuring that the metal conductive piece can be electrically connected with the front plug as a whole , and then allow the cable to form a conductive path with the ferrule.

Preferably, a groove is dug at the end of each metal conductive sheet away from the metal shrapnel, and the two sets of wire cores of the cable inserted into the wiring groove are respectively embedded in the matching grooves, and each of the insulating rods will Corresponding wire cores are pressed inside the matching grooves, and the wire cores are pressed into the grooves by insulating rods to ensure that the wire cores can be stably connected to the metal conductive sheet.

Preferably, two positioning slots are dug at the bottom of the wiring slot, and two positioning blocks are fixedly installed on the end of the U-shaped clamping plate away from the cover plate, and each positioning block is matched with a matching positioning slot. The joint connection is used to position the end of the U-shaped clamp to further improve the stability of its clamping and fixing of the cable.

Preferably, several brackets are fixedly installed on the inner wall of the wiring groove, the cover plate is fixed on the brackets by screws, and the brackets support the cover plate, which can prevent the cover plate from sinking into the wiring groove.

Preferably, the movable sleeve on the outer wall of the housing is provided with a rubber sleeve, and a number of anti-skid grooves are dug on the outer wall of the rubber sleeve, and the friction between the hand and the housing can be increased through the rubber sleeve, thereby improving the safety of the cable joint. Anti-slip effect.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. Adopt an integral shell, insert the end of the cable into the junction slot in the shell, when the wire core at the end of the cable is in contact with the metal conductive sheet, put the height of the cover plate at the opening of the shell, and then insert the cable One end and the wire core in the housing are fixed, and there is no need to pinch the cable with fingers for positioning, which facilitates wiring operations and effectively improves the convenience of wiring.

2. When the cover plate is fixed on the shell, the end of the cable inserted into the wiring slot is pressed and positioned by the U-shaped clamping plate to prevent the cable from being disconnected from the connector, and the wire core at the end of the cable is firmly pressed and covered by an insulating rod. In the metal conductive sheet, it can prevent the two from being disconnected, and effectively improve the firmness of the connection between the cable and the connector.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 has provided the utility model housing structural representation;

Fig. 3 has provided the structural representation of cover plate in the utility model;

Fig. 4 has provided the structural representation of metal conductive sheet in the utility model;

Fig. 5 shows a schematic diagram of the structure of the front plug in the present invention.

Reference signs: 1, housing; 11, internal thread cover;

2. Front plug; 21. Ferrule; 22. External thread barrel; 23. Metal pole piece;

3. Metal conductive sheet; 31. Metal shrapnel; 32. Groove;

4. Wiring groove; 41. Positioning groove; 42. Support block;

5. Cable;

6. Rubber sleeve;

7. Cover plate; 71. Insulation rod; 72. U-shaped clamping plate; 73. Positioning block.

detailed description

The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

Embodiment one

As shown in Figure 1-5, the utility model proposes a front plug-in cable joint, including a housing 1, one end of the housing 1 is an internal thread cover 11 with a cylindrical structure, and the internal thread cover 11 is threaded with a front Set the plug 2, the front plug 2 and the shell 1 are integrally formed by injection molding process, the inside of the shell 1 is reserved with a wiring slot 4, and the wiring slot 4 is fixedly equipped with two metal conductive sheets 3 inside, each metal conductive sheet 3 Metal shrapnel 31 are fixedly installed at one end of the front plug 2, and metal pole pieces 23 are fixedly installed at one end of the front plug 2 close to the metal conductive piece 3. Each metal pole piece 23 is in close contact with the corresponding metal shrapnel 31, and the front plug 2 The end away from the metal pole piece 23 is fixedly equipped with a plurality of ferrules 21, and each ferrule 21 is electrically connected to the above-mentioned metal pole piece 23, so as to ensure that the ferrule 21 can be electrically connected with the metal conductive sheet 3 and can form a conductive structure. Access, the end of the housing 1 away from the front plug 2 is penetrated with a cable 5, and the protective sheath at the end of the cable 5 is stripped and divided into two groups of wire cores, and the ends of the metal wire cores are all snapped into the corresponding metal conductive sheets 3 Inside the groove 32 excavated on the top, under the connection effect of the metal conductive sheet 3, the cable 5 and the ferrule 21 can form a conductive path;

Further, a cover plate 7 is mounted on the notch of the wiring groove 4, and a U-shaped clamping plate 72 is fixedly mounted on the cover plate 7, and one end of the cable 5 inserted into the wiring groove 4 is snapped into the U-shaped clamping plate 72. In the mouth, it can be covered inside the wiring slot 4 by the U-shaped clamping plate 72, and two insulating rods 71 are fixedly assembled on the cover plate 7, and the insulating rods 71 can press the metal wire core in the groove 32.

The working principle of a front plug-in cable joint based on Embodiment 1 is: firstly, the cable 5 and the ferrule 21 can be electrically connected as a whole through the metal conductive sheet 3, and when the ferrule 21 is inserted into the device or the socket, it can allow The cable 5 transmits power to the equipment or transmits the electric energy at the socket to the external equipment. When wiring, you can open the cover 7, put the end of the cable 5 into the junction groove 4, then peel off the protective cover at the end of the cable 5 to ensure that the inner metal core can be exposed, and then press the metal core into the metal wire. In the groove 32 on the conductive sheet 3, the metal conductive sheet 3 is used as a connecting conductive structure at this time, which can allow the cable 5 and the ferrule 21 to form a conductive path, ensuring the stability of power transmission. At this time, only the cover plate 7 needs to be fixed The cable 5 and the metal wire core can be fixed at the notch of the wiring groove 4, which can prevent the cable 5 from moving during the wiring operation, causing the metal wire core to be disconnected from the metal conductive sheet 3, effectively improving the convenience of wiring . After the cover plate 7 is fixed on the notch of the wiring groove 4, under the pressing effect of the U-shaped clamping plate 72, the end of the cable 5 inserted into the wiring groove 4 can be positioned, which can prevent the cable 5 from being disconnected from the joint. The metal wire core is pressed and fixed by the insulating rod 71 to ensure that the metal wire core can be firmly inserted into the groove 32, further preventing the disconnection of the conductive path formed between the cable 5 and the ferrule 21, and effectively improving the firm connection between the cable and the connector sex.

Embodiment two

As shown in Figure 1-5, the utility model proposes a front plug-in cable joint.

Referring to Fig. 1, Fig. 2 and Fig. 5, one end of the front plug 2 inserted into the inner thread cover 11 is fixed with an external thread cylinder 22, the external thread cylinder 22 is threadedly connected with the internal thread cover 11, and the inner wall of the wiring groove 4 is welded with a A number of brackets 42, after the cover plate 7 is snapped into the slot of the wiring groove 4, are fixed on the brackets 42 by screws, and a rubber sleeve 6 is movably installed on the outer wall of the housing 1, and the rubber sleeve 6 is manufactured by injection molding And a plurality of anti-skid groove structures are reserved on its outer wall, and the length of the rubber sleeve 6 is less than the length of the cover plate 7;

In this solution, the support block 42 can provide a support point for the cover plate 7, which can prevent the cover plate 7 from falling into the wiring groove 4, and ensure that the cover plate 7 can be firmly assembled at the notch of the wiring groove 4. The rubber sleeve 6 of the structure can increase the friction between the hand and the joint housing 1, and provide its anti-slip effect. When the cover plate 7 is installed, the rubber sleeve 6 can be pushed to one end of the housing 1 first to ensure the wiring groove At least half of the notch of 4 is exposed to the outside of the rubber sleeve 6. Insert the cover plate 7 obliquely into the notch of the wiring slot 4, and then fix the end not covered by the rubber sleeve 6. After the fixation is completed, insert the The rubber sleeve 6 is pushed to the other end, and then the unfixed end of the cover plate 7 can be reinforced to prevent the rubber sleeve 6 from hindering the installation of the cover plate 7, and the front plug 2 is installed on the end of the housing 1 by using a threaded connection structure , it is convenient to disassemble the front plug 2, and it is convenient to repair and maintain it.

Referring to Figures 1-3, two positioning slots 41 are dug into the bottom of the wiring slot 4, and two positioning blocks 73 are welded on the end of the U-shaped clamping plate 72 away from the cover plate 7, and each positioning block 73 is inserted into the corresponding set In the positioning groove 41 and tightly engaged with it;

In this solution, the bottom end of the U-shaped clamping plate 72 can be limited by the snap-fit connection between the positioning block 73 and the positioning slot 41, so as to ensure that the cover plate 7 can be accurately assembled at the notch of the wiring slot 4, so The end of the cable 5 can be bent and pressed into the bayonet of the U-shaped clamping plate 72 to avoid misalignment and extrusion of the outer sheath of the cable 5 and effectively protect the outer sheath of the cable 5 .

The above-mentioned specific embodiments are only several preferred embodiments of the present utility model. Based on the technical solutions of the present utility model and the related inspirations of the above-mentioned embodiments, those skilled in the art can make various alternative improvements to the above-mentioned specific embodiments. and combinations.

Claims (7)

1. The utility model provides a preceding formula of inserting cable joint, includes casing (1), its characterized in that, leading plug (2) are installed to the one end screw thread of casing (1), it has wire connection groove (4) to open in casing (1), wire connection groove (4) internal fixation installs two metal conducting strips (3), two the one end of metal conducting strip (3) all with leading plug (2) electric connection, cable (5) have been inserted to the one end of casing (1), cable (5) inside sinle silk divide into two sets ofly and with metal conducting strip (3) electric connection that corresponds the setting, apron (7) are installed to the opening part block of wire connection groove (4), fixed mounting has U type cardboard (72) on apron (7), cable (5) insert wire connection groove (4) inside one end card go into in U type cardboard (72), fixed mounting has two insulating rods (71) on apron (7), every insulating rod (71) all press the sinle silk that will match and hold on metal conducting strip (3).

2. A plug-in cable joint according to claim 1, wherein one end of the housing (1) is provided with an internal screw thread cover (11), the front plug (2) is fixedly provided with an external screw thread cylinder (22), and the external screw thread cylinder (22) is inserted into the internal screw thread cover (11) and is in screw connection with the internal screw thread cover.

3. The front plug type cable joint according to claim 1, wherein a plurality of insertion cores (21) are fixedly mounted at one end of the front plug (2), two metal pole pieces (23) are fixedly mounted at one end, far away from the insertion cores (21), of the front plug (2), each insertion core (21) is electrically connected with the corresponding metal pole piece (23), a metal elastic piece (31) is fixedly mounted at one end of each metal conductive piece (3), and each metal pole piece (23) is in contact with the matched metal elastic piece (31).

4. The plug-in cable joint as claimed in claim 3, wherein a groove (32) is formed in one end of each metal conducting strip (3) far away from the metal elastic sheet (31), two groups of wire cores of the cable (5) inserted into the wire connecting grooves (4) are respectively embedded into the matched grooves (32), and each insulating rod (71) presses the corresponding wire core into the matched groove (32).

5. The forward cable connector as claimed in claim 1, wherein two positioning slots (41) are cut at the bottom of the wiring slot (4), two positioning blocks (73) are fixedly mounted at one end of the U-shaped clamping plate (72) away from the cover plate (7), and each positioning block (73) is in snap-fit connection with a corresponding positioning slot (41).

6. The forward plug-in cable joint according to claim 1, wherein a plurality of support blocks (42) are fixedly mounted on the inner wall of the wiring groove (4), and the cover plate (7) is fixed on the support blocks (42) through screws.

7. The forward-plugging cable joint according to claim 1, wherein a rubber sleeve (6) is movably sleeved on the outer wall of the housing (1), and a plurality of anti-skidding grooves are formed in the outer wall of the rubber sleeve (6).

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