CN223023605U - Lead wire connection structure for three-core wire - Google Patents

Abstract

The utility model relates to the technical field of lead connection, specifically a lead connection structure for three-core wires, comprising a shell, wherein a connecting mechanism is arranged inside the shell for connecting the lead; a limiting mechanism is arranged on the top of the shell for fixing the lead; by setting the connecting mechanism, when the lead is connected, the three lead wires of the three-core wire are separated and respectively inserted into the wire insertion slots at corresponding positions, and the rotation of the rotating rod drives the driving gear to rotate together, thereby driving the meshing rack to move, and when the rack moves, it drives the guide column to rotate through the meshing driven gear, at this time, the lead wire inserted into the wire insertion slot will be bent by the rotating wire insertion slot, and continuously wrapped around the outer wall of the guide column in the subsequent rotation process, and the lead wire head initially inserted is covered, so as to facilitate the connection, and the connection has a certain firmness, and a plurality of lead wires can be connected at the same time in this way, thereby greatly improving the connection efficiency.

Description

Lead wire connection structure for three-core wire

Technical Field

The utility model relates to the technical field of lead connection, in particular to a lead connection structure for a three-core wire.

Background

Three-wire is a common type of wire consisting of three individual wires, typically encased in an insulating sheath. The three wires each have different functions and uses, and common lead connection structures include:

Soldering, namely, the lead wire is soldered with a circuit board or other electronic components to form firm electrical connection.

And the plug connection is realized by matching the plug and the socket, so that the quick connection and disconnection of the lead wires are realized.

Screw connection, where the leads are secured to the electronic component or circuit board using screws, provides reliable mechanical connection and electrical contact. The specific form and application of the wire connection structure will vary according to different electronic device and circuit requirements. In designing and selecting the lead connection structure, it is necessary to comprehensively consider factors such as electrical performance, mechanical strength, insulation performance, and reliability to ensure the quality and stability of the connection.

However, in practice, if the welding connection and the screw connection are usually connected with the assistance of external tools, a screwdriver and a welding gun are generally needed, and the situation of gradually connecting and installing is adopted, so that the connection is relatively troublesome, the connection efficiency is low, the plug connection is relatively convenient to connect, but in the practical use, the plug and the socket are required to be matched in advance at the joint, and in the practical use, the adaptability is relatively poor when some temporary leads are required to be connected. In view of this, we propose a three-wire lead wire connection structure.

Disclosure of utility model

The utility model aims to provide a three-core wire lead wire connection structure, which solves the problems of troublesome connection and installation and low connection efficiency of gradual strip connection in the conventional process.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The lead wire connecting structure for the three-core wire comprises a shell, wherein a connecting mechanism is arranged in the shell and used for connecting a lead wire;

a limiting mechanism is arranged at the top of the shell and used for fixing the lead;

The connecting mechanism comprises a rotating rod, the rotating rod is rotationally connected to the bottom of the inner wall of the shell, a driving gear is sleeved at the bottom of the rotating rod, racks are connected to two sides of the driving gear in a meshed mode, driven gears are connected to one sides of the racks, which are far away from the driving gear, of the racks in a meshed mode, guide posts are connected to the inner wall of the driven gears, the guide posts are rotationally connected to the inner wall of the shell, and wiring grooves are formed in the inner wall of the guide posts.

Preferably, the number of the driven gears is six, the driven gears are arranged in a front-back symmetrical mode, and guide sheets are buried at the bottom of the shell and are used for electrically connecting two guide posts at corresponding positions.

Preferably, the positions of the shell between the guide posts are all connected with a baffle plate, and the baffle plates are used for dividing the shell to form independent channels.

Preferably, a slide way is arranged at the bottom of the inner wall of the shell at the position below the rack, and the slide way is in sliding connection with the bottom of the rack.

Preferably, the limiting mechanism comprises a connecting column, wherein the connecting column is connected to the top of the rotating rod and penetrates through the top of the shell.

Preferably, the top of the connecting column is connected with a knob, and two sides of the knob are connected with a retaining ring.

Preferably, the outer wall of the connecting column is connected with a thread sleeve through threads, and the bottom of the thread sleeve is connected with a compression ring.

By means of the technical scheme, the utility model provides a lead wire connecting structure for three-core wires. The method has at least the following beneficial effects:

1. According to the utility model, when the leads are connected by arranging the connecting mechanism, the three leads of the three core wires are separated and respectively inserted into the wire inserting grooves at corresponding positions, the driving gear is driven to rotate together by the rotation of the rotating rod, so that the meshed racks are driven to move, the guide post is driven to rotate by the meshed driven gear when the racks move, at the moment, the leads inserted into the wire inserting grooves are bent by the rotating wire inserting grooves and are continuously wound on the outer wall of the guide post in the subsequent rotating process, and the initially inserted lead heads are covered, so that the connection is convenient, the connection has certain firmness, and the plurality of leads can be connected at the same time in a mode, so that the connection efficiency is greatly improved.

2. According to the utility model, after the lead is fixed, the thread sleeve is screwed to rotate, the lead is tensioned through friction generated between the thread sleeve and the thread until the compression ring below the thread sleeve abuts against the top of the shell, and the rotating rod is positioned through friction force, so that the condition that the whole connection is loose due to loosening of the rotating rod is avoided, and the reliability of the connection is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate and together with the description serve to explain a part of the utility model:

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

FIG. 2 is a structural representation of the connecting mechanism of the present utility model;

FIG. 3 is a bottom cross-sectional view of the housing of the present utility model;

fig. 4 is a structural representation of the limiting mechanism in the present utility model.

1, A shell, 2, a connecting mechanism, 20, guide sheets, 21, a guide post, 22, a wire inserting groove, 23, a driven gear, 24, a baffle plate, 25, a rotating rod, 26, a driving gear, 27, a rack, 28, a slideway, 3, a limiting mechanism, 31, a connecting post, 32, a knob, 33, a retaining ring, 34, threads, 35, a threaded sleeve, 36 and a compression ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Example 1

The utility model provides a lead wire connection structure for three-core wire, as shown in fig. 1, fig. 2, including casing 1, casing 1 is inside to be provided with coupling mechanism 2, be used for connecting the lead wire, casing 1's top is provided with stop gear 3, be used for fixed lead wire, wherein coupling mechanism 2 includes bull stick 25, bull stick 25 rotates the bottom of connecting at casing 1 inner wall, the bottom cover of bull stick 25 is equipped with drive gear 26, drive gear 26 both sides meshing is connected with rack 27, one side meshing that drive gear 26 was kept away from to rack 27 is connected with driven gear 23, driven gear 23's inner wall all is connected with guide pillar 21, and guide pillar 21 rotates the inner wall of connecting at casing 1, the slot 22 has all been seted up to guide pillar 21's inner wall.

In this embodiment, through setting up coupling mechanism 2, when connecting the lead wire, three lead wires with the three heart yearns are separated, insert the wiring groove 22 of corresponding position respectively, drive the drive gear 26 together rotation through the rotation of bull stick 25, thereby drive the rack 27 removal of meshing, when rack 27 removes, then can drive guide pillar 21 through the driven gear 23 of meshing and rotate, the lead wire of inserting wiring groove 22 can be bent by pivoted wiring groove 22 this moment, and constantly twine at the guide pillar 21 outer wall at subsequent rotatory process, and cover the lead wire head of initial insertion, in order to connect with the convenience, and connect and have certain fastness, can connect many lead wires simultaneously through the mode, promote the efficiency of connecting by a wide margin.

Example 2

As shown in fig. 2 and 3, based on embodiment 1, preferably, the number of driven gears 23 is six, and the driven gears are symmetrically arranged in front-back direction, the bottom of the housing 1 is embedded with guide pieces 20 for electrically connecting two guide posts 21 at corresponding positions, and the positions of the housing 1 between the guide posts 21 are all connected with partition plates 24 for dividing and forming independent channels on the housing 1.

In this embodiment, the partition board 24 is provided to facilitate the division to form independent channels, so as to avoid the influence of mutual contact between the leads on the electrical connection.

Example 3

As shown in fig. 2, on the basis of embodiment 1, preferably, a slide way 28 is provided at the bottom of the inner wall of the housing 1 at a position below the rack 27, and the slide way 28 is slidably connected with the bottom of the rack 27.

In this embodiment, the rack 27 can be limited by the slide way 28, so as to ensure the stability of the rack during movement.

Example 4

As shown in fig. 1, 2 and 4, on the basis of embodiment 1, preferably, the limit mechanism 3 includes a connecting post 31, the connecting post 31 is connected to the top of the rotating rod 25 and penetrates through the top of the housing 1, the top of the connecting post 31 is connected with a knob 32, two sides of the knob 32 are connected with a retaining ring 33, the outer wall of the connecting post 31 is connected with a threaded sleeve 35 through threads 34, and the bottom of the threaded sleeve 35 is connected with a compression ring 36.

In this embodiment, the finger is inserted into the snap ring 33 to conveniently force the rotating rod 25 connected with the connecting post 31 below the knob 32 to rotate, and after the lead wire is fixed, the threaded sleeve 35 is screwed to rotate, the lead wire is tensioned by friction generated between the threaded sleeve 35 and the threads 34 until the pressing ring 36 below the threaded sleeve 35 abuts against the top of the shell 1, and the rotating rod 25 is positioned by friction force, so that the loosening of the whole connection caused by loosening of the rotating rod 25 is avoided, and the reliability of the connection is ensured.

When the three-core wire lead connecting structure is used, three lead wires of the three-core wire are separated when being connected, the three lead wires are respectively inserted into the corresponding plug wire grooves 22, fingers are inserted into the retaining rings 33 to conveniently bear force to drive the rotating rods 25 connected with the connecting columns 31 below the knob 32 to rotate, the driving gears 26 are driven to rotate together through the rotation of the rotating rods 25, so that the meshed racks 27 are driven to move, when the racks 27 move, the guide posts 21 are driven to rotate through the meshed driven gears 23, at the moment, the lead wires inserted into the plug wire grooves 22 are bent by the rotating plug wire grooves 22, are continuously wound on the outer walls of the guide posts 21 in the subsequent rotating process, the lead wire heads which are initially inserted are covered, so that connection is convenient, after the lead wires are fixed, the threaded sleeves 35 are screwed again to rotate, the lead wires are tensioned through friction generated between the threaded sleeves 35 until the pressing rings 36 below the threaded sleeves 35 abut against the top of the shell 1, the rotating rods 25 are positioned through friction force, and the loosening of the whole connection is avoided, and the reliability of the connection is ensured.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The lead wire connecting structure for the three-core wire comprises a shell (1) and is characterized in that a connecting mechanism (2) is arranged in the shell (1) and used for connecting a lead wire;

A limiting mechanism (3) is arranged at the top of the shell (1) and used for fixing the lead;

The connecting mechanism (2) comprises a rotating rod (25), the rotating rod (25) is rotationally connected to the bottom of the inner wall of the shell (1), a driving gear (26) is sleeved at the bottom of the rotating rod (25), racks (27) are connected to two sides of the driving gear (26) in a meshed mode, driven gears (23) are connected to one sides of the racks (27) away from the driving gear (26) in a meshed mode, guide posts (21) are connected to the inner wall of the driven gears (23), the guide posts (21) are rotationally connected to the inner wall of the shell (1), and wire inserting grooves (22) are formed in the inner wall of the guide posts (21).

2. The three-wire lead wire connecting structure according to claim 1, wherein the number of the driven gears (23) is six, the driven gears are symmetrically arranged in front and back, and the bottom of the shell (1) is embedded with guide sheets (20) for electrically connecting two guide posts (21) at corresponding positions.

3. The three-wire lead wire connecting structure according to claim 1, wherein the positions of the shell (1) between the guide posts (21) are respectively connected with a baffle plate (24) for dividing and forming independent channels on the shell (1).

4. The three-wire lead wire connecting structure according to claim 1, wherein a slide way (28) is arranged at the bottom of the inner wall of the shell (1) at a position below the rack (27), and the slide way (28) is in sliding connection with the bottom of the rack (27).

5. The three-wire lead wire connecting structure according to claim 1, wherein the limiting mechanism (3) comprises a connecting column (31), and the connecting column (31) is connected to the top of the rotating rod (25) and penetrates through the top of the shell (1).

6. The three-wire lead wire connection structure according to claim 5, wherein a knob (32) is connected to the top of the connection column (31), and a snap ring (33) is connected to both sides of the knob (32).

7. The three-wire lead wire connection structure according to claim 6, wherein the outer wall of the connecting column (31) is connected with a threaded sleeve (35) through threads (34), and a compression ring (36) is connected to the bottom of the threaded sleeve (35).