CN219163794U

CN219163794U - Connecting joint convenient to assemble

Info

Publication number: CN219163794U
Application number: CN202223330744.9U
Authority: CN
Inventors: 林雷明
Original assignee: Cixi Dingli Plastic & Rubber Co ltd
Current assignee: Cixi Dingli Plastic & Rubber Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-06-09
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a connecting joint convenient to assemble, which comprises a shell, wherein one end of the shell is connected with an end cap, the other end of the shell is connected with a connector, the two ends of the connector are correspondingly provided with a front plug and a rear plug, three groups of conductive pieces are arranged in the connector, three wiring holes are formed in the positions, corresponding to the conductive pieces, of the rear plug, three buttons with different colors are arranged on the front plug, positioning grooves are respectively formed in the buttons, and positioning ribs matched with the positioning grooves are arranged on the front plug. The advantages are that: the three buttons with different colors are adopted to respectively correspond to the live wire, the zero wire and the ground wire, so that the wrong assembly among the three buttons is prevented, and the assembly efficiency can be improved; in addition, through setting up of constant head tank and location muscle, can prevent the dress of button and turn over, can improve assembly efficiency equally, guarantee the assembly quality of product.

Description

Connecting joint convenient to assemble

Technical Field

The utility model relates to the technical field of manufacturing of connecting joints, in particular to a connecting joint convenient to assemble.

Background

The connector is a common connecting part used when electric wires of electrical equipment are connected, and is widely applied to different fields, for example, the application number is CN202121506868.0, namely, a spring piece pressing type waterproof connector is disclosed, and comprises a shell, one end of the shell is provided with a contraction part, a lock nut is arranged outside the contraction part, a rubber ring is arranged in the contraction part, the other end of the shell is connected with a connector, one end far away from the shell is connected with a screw cap, a first sealing ring is arranged between the connector and the shell, and a second sealing ring is arranged between the connector and the screw cap; the connector in be provided with the copper spare, copper spare both sides buckle and form the recess, the recess in be provided with the shell fragment, the tip of connector be provided with the end plug, the periphery of this end plug be provided with shell fragment matched with button. The connector is convenient to wire, but in the subsequent production process, the connector is easy to reverse or misplace when the button is installed, and the connector cannot be normally used once reverse or misplaced, so that reworking is needed, the production effect is greatly influenced, and therefore, the structure of the connector needs to be further improved.

Disclosure of Invention

The utility model aims to overcome the defects, and discloses a connecting joint which is convenient to assemble and reasonable in structure, and can prevent the wrong installation or reverse installation of a button.

The technical scheme of the utility model is realized as follows:

the utility model provides a attach fitting convenient to assembly, includes the casing, casing one end be connected with the end cap, its other end is connected with the connector, the both ends of connector correspond and be provided with preceding stopper and back stopper, the connector in be provided with three group's electrically conductive piece, the back on correspond electrically conductive piece position and be provided with three wiring hole, preceding on correspond electrically conductive piece and set up the button of three colour variation, the button on be provided with the constant head tank respectively, preceding on be provided with the constant head tank looks adaptation's spacer bar.

The measures for further optimizing the technical scheme are as follows:

as an improvement, one side surface of the button extends to form an abutting part. The arrangement of the abutting part enables the button to be matched with the conductive piece better.

As an improvement, a limiting block is arranged on the outer wall of the abutting part. The button can be limited on the front plug through the limiting block, the button is prevented from being separated from the front plug, and the limiting block is a wedge-shaped block.

As an improvement, the front plug is provided with an elastic buckle, and the connecting head is provided with a buckle groove matched with the elastic buckle. The elastic buckle is matched with the buckling groove, so that the front plug can be quickly assembled on the connecting head.

As an improvement, the conductive member comprises an outer conductor and an inner conductor, wherein a containing groove is formed in the outer conductor, the inner conductor is arranged in the containing groove, and two ends of the inner conductor are bent to form an acute angle to form a bending part. The bending part formed by bending has certain elasticity, and the lead can be clamped between the inner conductor and the inner wall of the outer conductor by utilizing the elasticity.

As an improvement, the bending part is provided with a V-shaped groove. The V-shaped groove is convenient for the insertion of the lead.

As an improvement, one end of the shell is provided with a contraction part, and a rubber ring is arranged in the contraction part. When the end cap is screwed in, the contraction part can be tightened, and the cable is tightly pressed by the rubber ring, so that the sealing and waterproof effects are achieved.

As an improvement, the shell is provided with a first external thread, the end cap is provided with a first internal thread, and the end cap is in threaded connection with the shell.

As an improvement, the shell is provided with a second internal thread, the connector is provided with a second external thread, and the connector is in threaded connection with the shell.

Threaded connection is adopted between the end cap and the shell, and between the connector and the shell, so that the structure is simple, and the connection is convenient and reliable.

As an improvement, a sealing ring is arranged between the connector and the shell. The sealing washer sets up, can improve the leakproofness between connector and the casing.

Compared with the prior art, the utility model has the advantages that:

the connecting joint convenient to assemble is reasonable in structure, three buttons with different colors are adopted to correspond to the live wire, the zero wire and the ground wire respectively, so that the wrong assembly among the three buttons is prevented, and the assembling efficiency can be improved; in addition, be provided with the constant head tank on the button respectively, on the front plug then be provided with the location muscle with constant head tank looks adaptation, through the setting of location muscle, can prevent the dress of button and turn over, can improve assembly efficiency equally, guarantee the assembly quality of product.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is an exploded view of an embodiment of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is a schematic view of the structure of the outer conductor of FIG. 2;

fig. 6 is a schematic diagram of the structure of the inner conductor in fig. 2.

The names of the reference numerals in the drawings of the present utility model are:

the casing 1, the first external screw thread 1a, the second internal screw thread 1b, the contracted part 11, the end cap 2, the first internal screw thread 2a, the connector 3, the fastening groove 3a, the second external screw thread 3b, the seal ring 31, the front plug 4, the positioning rib 41, the elastic buckle 42, the rear plug 5, the wiring hole 5a, the conductive member 6, the external conductor 61, the accommodating groove 61a, the internal conductor 62, the bent part 62a, the V-shaped groove 62b, the button 7, the positioning groove 7a, the abutting part 71, the stopper 71a, the rubber ring 8, the nut 9, and the gasket 91.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings:

as shown in fig. 1 to 6, a connection joint convenient to assembly, including casing 1, casing 1 one end be connected with end cap 2, its other end is connected with connector 3, connector 3's both ends correspond and be provided with preceding stopper 4 and back stopper 5, connector 3 in be provided with three group's electrically conductive piece 6, back stopper 5 on correspond electrically conductive piece 6 position and be provided with three wiring hole 5a, preceding stopper 4 on correspond electrically conductive piece 6 and set up the button 7 of three colour variation, button 7 on be provided with constant head tank 7a respectively, preceding stopper 4 on be provided with constant head tank 7a looks adaptation's spacer bar 41.

Three different colors's button 7 correspond live wire, zero line and ground wire respectively, and in this embodiment, button 7 adopts red, blue and yellow to correspond live wire, zero line and ground wire respectively, makes things convenient for assembler's discernment to misplace between each button 7, thereby improves assembly efficiency. The color distinction of the buttons 7 also facilitates the distinction of the live, neutral and ground wires during wiring.

In addition, the button 7 is respectively provided with a positioning groove 7a, the front plug 4 is provided with a positioning rib 41 matched with the positioning groove 7a, and when the button is assembled, the positioning groove 7a of the button 7 is inserted into the corresponding positioning rib 41; that is, only when the positioning groove 7a is aligned with the positioning rib 41, the button 7 can be smoothly inserted into the set assembly position, so that the button 7 can be effectively prevented from being reversely mounted.

A side of the button 7 extends to form an abutting portion 71. By setting the interference portion 71 so as to deviate from the central axis of the button 7, the button 7 can be prevented from being reversely mounted, thereby further ensuring the assembling speed of the button 7.

The outer wall of the abutting portion 71 is provided with a stopper 71a. The stopper 71a is a wedge-shaped block, and when the button 7 is mounted, the stopper 71a is fitted into a set position along the inclined surface of the stopper 71a, and the stopper 71a is used to achieve a retaining effect, so that the button 7 can be prevented from coming off the front plug 4.

The front plug 4 is provided with an elastic buckle 42, and the connector 3 is provided with a buckle groove 3a matched with the elastic buckle 42. The elastic buckle 42 and the buckling groove 3a are matched to facilitate the assembly between the front plug 4 and the connector 3, and the elastic buckle 42 is also provided with a wedge-shaped block, so that the anti-return effect is achieved after the assembly is completed.

The conductive member 6 includes an outer conductive body 61 and an inner conductive body 62, wherein a receiving groove 61a is formed in the outer conductive body 61, the inner conductive body 62 is disposed in the receiving groove 61a, and two ends of the inner conductive body 62 are bent at an acute angle to form a bent portion 62a.

The bent portion 62a is provided with a V-shaped groove 62b.

The outer conductor 61 has a structure with three sides closed and one side opened, the cross section of the outer conductor 61 has a -shaped structure, the three sides of the outer conductor 61 are surrounded to form a containing groove 61a for containing the inner conductor 62, the inner conductor 62 has an S-shaped structure, two ends of the inner conductor 62 form bending parts 62a, a V-shaped groove 62b is arranged on the bending part 62a at one end, and two V-shaped grooves 62b are arranged at the other end. The V-shaped groove 62b is provided to facilitate insertion of the lead, and after insertion of the lead, the lead can be fixed between the inner conductor 62 and the inner wall of the outer conductor 61 by utilizing elasticity of the bent portion 62a.

One end of the shell 1 is provided with a contraction part 11, and a rubber ring 8 is arranged in the contraction part 11.

The shell 1 is provided with a first external thread 1a, the end cap 2 is provided with a first internal thread 2a, and the end cap 2 is in threaded connection with the shell 1.

The shell 1 is provided with a second internal thread 1b, the connector 3 is provided with a second external thread 3b, and the connector 3 is in threaded connection with the shell 1.

A sealing ring 31 is arranged between the connector 3 and the shell 1.

The connector 3 is screwed with a nut 9, and a gasket 91 is arranged between the nut 9 and the connector 3.

The constriction 11 comprises a plurality of elastic strips that the axial set up, and the cooperation looks spiro union of cap 2 and casing 1 through first internal thread 2a and first external screw thread 1a, along with the screw up of cap 2, constriction 11 can tighten gradually to make rubber circle 8 compress tightly the cable conductor, utilize rubber circle 8 to reach sealed water-proof effects. The connector 3 is in threaded connection with the shell 1 through the matching of the second external thread 3b and the second internal thread 1b, and the sealing performance between the connector 3 and the shell 1 is ensured by the sealing ring 31. The two ends of the shell 1 are connected by screw threads, and the structure is simple, and the connection is convenient and reliable.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims

1. The utility model provides a attach fitting convenient to assembly, is including casing (1), casing (1) one end be connected with end cap (2), its other end is connected with connector (3), characterized by: the utility model discloses a plug, including connector (3) and stopper (5) after, the both ends of connector (3) correspond and be provided with preceding stopper (4) and, connector (3) in be provided with three group's electrically conductive piece (6), back stopper (5) on correspond electrically conductive piece (6) position and be provided with three wiring hole (5 a), preceding stopper (4) on correspond electrically conductive piece (6) and set up button (7) that three colour is different, button (7) on be provided with constant head tank (7 a) respectively, preceding stopper (4) on be provided with constant head tank (7 a) looks adaptation's spacer bar (41).

2. A connection fitting for facilitating assembly as defined in claim 1, wherein: one side surface of the button (7) extends to form an abutting part (71).

3. A connection fitting for facilitating assembly as defined in claim 2, wherein: a limiting block (71 a) is arranged on the outer wall of the abutting part (71).

4. A connection fitting for facilitating assembly as defined in claim 3, wherein: the front plug (4) is provided with an elastic buckle (42), and the connector (3) is provided with a buckle groove (3 a) matched with the elastic buckle (42).

5. The connection fitting for facilitating assembly of claim 4, wherein: the electric conduction piece (6) comprises an outer electric conductor (61) and an inner electric conductor (62), wherein a containing groove (61 a) is formed in the outer electric conductor (61), the inner electric conductor (62) is arranged in the containing groove (61 a), and two ends of the inner electric conductor (62) are bent to form an acute angle to form a bent part (62 a).

6. A connection fitting for facilitating assembly as defined in claim 5, wherein: the bending part (62 a) is provided with a V-shaped groove (62 b).

7. A connection fitting for facilitating assembly according to any one of claims 1 to 6, wherein: one end of the shell (1) is provided with a contraction part (11), and a rubber ring (8) is arranged in the contraction part (11).

8. A connection fitting for facilitating assembly as defined in claim 7, wherein: the shell (1) is provided with a first external thread (1 a), the end cap (2) is provided with a first internal thread (2 a), and the end cap (2) is in threaded connection with the shell (1).

9. A connection fitting for facilitating assembly as defined in claim 8, wherein: the shell (1) is provided with a second internal thread (1 b), the connector (3) is provided with a second external thread (3 b), and the connector (3) is in threaded connection with the shell (1).

10. A connection fitting for facilitating assembly as defined in claim 9, wherein: a sealing ring (31) is arranged between the connector (3) and the shell (1).