阅读说明：本技术 一种具有防松脱结构的连接器及锁线方法 (Connector with anti-loosening structure and wire locking method ) 是由 刘小彦 郭卫东 丁涛 张�杰 何仲祺 谢鹏飞 杨波 寇仲辉 崔玉娇 于 2021-02-05 设计创作，主要内容包括：本发明公开了一种具有防松脱结构的连接器及锁线方法,本发明将锁线螺钉、弹性垫圈及压线块结合构成复合的锁线螺钉,并与锁线框及导体端子组合构成防松脱结构的连接器,本发明采用复合的锁线螺钉解决了锁线时螺钉易出现松脱的现象、解决了螺钉损伤导线的现象以及解决了螺钉从锁线框脱落造成丢失的现象；本发明可方便组装于设有多个端子座的连接器壳体,构成多端子的连接器,本发明具有结构简单、集成度高、组合方便、适应范围广、操作简便、安全可靠性高及制造成本低的优点,符合集成化及小型化电器设备的配套及推广应用。(The invention discloses a connector with an anti-loosening structure and a wire locking method, wherein a wire locking screw, an elastic washer and a wire pressing block are combined to form a composite wire locking screw, and the composite wire locking screw, a wire locking frame and a conductor terminal are combined to form the connector with the anti-loosening structure; the invention can be conveniently assembled in a connector shell provided with a plurality of terminal seats to form a multi-terminal connector, has the advantages of simple structure, high integration level, convenient combination, wide application range, simple and convenient operation, high safety and reliability and low manufacturing cost, and conforms to the matching and popularization and application of integrated and miniaturized electrical equipment.)

1. A connector with an anti-loosening structure is characterized by comprising a locking screw (1), a locking frame (2), an elastic washer (3), a wire pressing block (4), a cable (5) and a conductor terminal (6);

the locking thread screw (1) is composed of a thread section (11) and a polished rod section (12) at the end, a locking step (111) is arranged between the thread section (11) and the polished rod section (12), and a rivet turning opening (121) is arranged on the polished rod section (12);

the lock wire frame (2) is a rectangular frame body, a cable channel (22) is axially arranged on the lock wire frame (2), a threaded hole (21) is formed in the top surface, and a process hole (23) is formed in the bottom surface;

the elastic washer (3) is a round spring washer (31) or a rectangular spring washer (32);

the wire pressing block (4) is rectangular and flaky, and a horn hole (41) is formed in the center of the wire pressing block;

the conductor terminal (6) is a stamping part with one end provided with an elastic socket (61) and the other end provided with a lug plate (62), and the lug plate (62) is provided with a first step (621) and a second step (622);

a polished rod section (12) of the locking screw (1) is arranged in the locking wire frame (2), and a threaded section (11) of the locking screw (1) is meshed with a threaded hole (21) of the locking wire frame (2); the round spring washer (31) or the rectangular spring washer (32) and the line pressing block (4) are sequentially sleeved on the polished rod section (12) of the line locking screw (1), and the turned riveting opening (121) of the line locking screw (1) is riveted with the horn hole (41) of the line pressing block (4);

the lug plate (62) of the conductor terminal (6) is arranged in the cable channel (22) from one end of the wire locking frame (2), and a first step (621) and a second step (622) on the lug plate (62) are positioned at two ends of the wire locking frame (2);

the cable (5) is arranged in the cable channel (22) from the other end of the wire locking frame (2), and the wire locking screw (1) fastens the cable (5) between the wire pressing block (4) and the lug plate (62) of the conductor terminal (6).

2. A connector with a structure of preventing release according to claim 1, characterized in that the threaded hole (21) on the top surface of the locking wire frame (2) is one or more.

3. A connector with a release preventing structure according to claim 1, wherein the circular spring washer (31) is a standard washer, and the rectangular spring washer (32) is a U-shaped washer with folded edges at both sides.

4. A wire locking method of a connector with an anti-loosening structure is characterized by comprising the following steps:

step 1, assembling a locking wire screw:

placing a polished rod section (12) of the wire locking screw (1) into a threaded hole (21) of the wire locking frame (2), and meshing a threaded section (11) of the wire locking screw (1) with the threaded hole (21) of the wire locking frame (2); a round spring washer (31) or a rectangular spring washer (32) and a line pressing block (4) are sequentially sleeved on a polished rod section (12) of a line locking screw (1) in a locking wire frame (2) in an sleeving manner; extending a flaring tool from a fabrication hole (23) of the wire locking frame (2) to a rivet turning hole (121) of the wire locking screw (1), turning and riveting the rivet turning hole (121) of the wire locking screw (1) and a horn hole (41) of the wire pressing block (4), enabling the riveted round spring washer (31) or rectangular spring washer (32) and wire pressing block (4) to freely rotate on a polished rod section (12) of the wire locking screw (1), and finishing the assembly of the wire locking screw (1);

step 2, locking the thread of the anti-loosening structure:

a lug plate (62) of a conductor terminal (6) is installed into a cable channel (22) from one end of a wire locking frame (2), the lug plate (62) is contacted with the bottom surface of the wire locking frame (2), and a first step (621) on the lug plate (62) is clamped with the other end of the wire locking frame (2); stripping out a wire of the cable (5), installing the cable (5) in a cable channel (22) from the other end of the wire locking frame (2), enabling the wire of the cable (5) to be located between the wire pressing block (4) and the lug plate (62) of the conductor terminal (6), along with the tightening of the wire locking screw (1), pressing the round spring washer (31) or the rectangular spring washer (32) and the wire pressing block (4) by the locking step (111) of the wire locking screw (1), fastening the wire of the cable (5) between the wire pressing block (4) and the lug plate (62) of the conductor terminal (6), and completing the wire locking of the anti-loosening structure;

and step 3, forming a multi-terminal connector:

selecting a connector shell provided with a plurality of terminal seats, and sequentially installing a plurality of wire locking frames (2) into the connector shell of the plurality of terminal seats to complete the integration and assembly of the multi-terminal connector.

Technical Field

The invention relates to the technical field of electric connectors, in particular to a connector with an anti-loosening structure and a wire locking method.

Background

In communication equipment or electronic and electrical equipment, the connector plays a role of a bridge for connecting inside and outside, for the connector connected outside, wires are often required to be made on site, most of the wire locking structures of the connectors for making wires on site in the prior art are screw wire locking, and the problem exists that,

the phenomenon that the screw loosens, the phenomenon that the screw harms the wire and the phenomenon that the screw drops from the locking wire frame and causes the loss easily appear in the screw locking wire in the use.

Disclosure of Invention

The invention aims at the defects of the prior art and provides a connector with an anti-loosening structure and a wire locking method, wherein a wire locking screw, an elastic washer and a wire pressing block are combined to form a composite wire locking screw, and the composite wire locking screw, a wire locking frame and a conductor terminal are combined to form the connector with the anti-loosening structure; the invention can be conveniently assembled in a connector shell provided with a plurality of terminal seats to form a multi-terminal connector, has the advantages of simple structure, high integration level, convenient combination, simple and convenient operation, high safety and reliability and low manufacturing cost, and conforms to integration and miniaturization

Matching and popularization and application of the device equipment.

The specific technical scheme for realizing the purpose of the invention is as follows:

a connector with an anti-loosening structure is characterized by comprising a locking screw, a locking wire frame, an elastic washer, a wire pressing block, a cable and a conductor terminal;

the thread locking screw consists of a threaded section and a polished rod section at the end, a locking step is arranged between the threaded section and the polished rod section, and a rivet turning port is arranged on the polished rod section;

the lock wire frame is a rectangular frame body, a cable channel is axially arranged on the lock wire frame, a threaded hole is formed in the top surface of the lock wire frame, and a process hole is formed in the bottom surface of the lock wire frame;

the elastic washer is a round spring washer or a rectangular spring washer;

the wire pressing block is rectangular and flaky, and a horn hole is formed in the center of the wire pressing block;

the conductor terminal is a stamping part with one end provided with an elastic socket and the other end provided with a lug plate, and a first step and a second step are arranged on the lug plate;

the polished rod section of the locking thread screw is arranged in the locking thread frame, and the thread section of the locking thread screw is meshed with the thread hole of the locking thread frame; the round spring washer or the rectangular spring washer and the line pressing block are sequentially sleeved on the polished rod section of the line locking screw, and the turned riveting port of the line locking screw is riveted with the horn hole of the line pressing block;

the terminal lug of the conductor terminal is arranged in the cable channel from one end of the wire locking frame, and a first step and a second step on the terminal lug are positioned at two end heads of the wire locking frame;

the cable is arranged in the cable channel from the other end of the wire locking frame, and the wire locking screw fastens the cable between the wire pressing block and the lug of the conductor terminal.

The threaded holes in the top surface of the lock wire frame are one or more.

The round spring washer is a standard washer, and the rectangular spring washer is a U-shaped washer with folded edges at two sides.

A wire locking method of a connector with an anti-loosening structure is characterized by comprising the following steps:

step 1, assembling a locking wire screw:

placing a polished rod section of the locking screw into a threaded hole of the locking wire frame, and meshing the threaded section of the locking screw with the threaded hole of the locking wire frame; sequentially sleeving an elastic washer and a line pressing block on a polished rod section of a line locking screw from a line locking frame; extending a flaring tool into a rivet turning port of the locking screw from a fabrication hole of the locking frame, and turning and riveting the rivet turning port of the locking screw and a horn hole of the line pressing block, so that the riveted round spring washer or rectangular spring washer and line pressing block can freely rotate on a polished rod section of the locking screw; and finishing assembling the locking wire screw.

Step 2, locking the thread of the anti-loosening structure:

installing a lug plate of a conductor terminal into a cable channel from one end of a wire locking frame, wherein the lug plate is in contact with the bottom surface of the wire locking frame and is connected with a first step on the lug plate in a clamping manner with the other end of the wire locking frame; the wire of cable is shelled, adorns the cable in the cable passageway by the other end of wire locking frame to the wire that makes the cable is located between the lug of line ball piece and conductor terminal, along with the tightening of locking screw, the locking step oppression circular spring washer or rectangle spring washer and the line ball piece of locking screw, fastens the wire of cable between the lug of line ball piece and conductor terminal, accomplishes the locking line of locking the structure of taking off.

And step 3, forming a multi-terminal connector:

selecting a connector shell provided with a plurality of terminal seats, and sequentially installing a plurality of wire locking frames into the connector shell of the plurality of terminal seats to complete the integration and assembly of the multi-terminal connector.

The invention combines the locking screw, the elastic washer and the wire pressing block to form a composite locking screw, and combines the composite locking screw, the locking wire frame and the conductor terminal to form the connector with the anti-loosening structure. The invention can be conveniently assembled in a connector shell provided with a plurality of terminal seats to form a multi-terminal connector, has the advantages of simple structure, high integration level, convenient combination, simple and convenient operation, high safety and reliability and low manufacturing cost, and conforms to the matching, popularization and application of integrated and miniaturized electrical equipment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a lockwire screw according to the present invention;

FIG. 3 is a schematic structural diagram of a wire locking frame according to the present invention;

FIG. 4 is a schematic view of the construction of the circular spring washer of the present invention;

FIG. 5 is a schematic structural diagram of a wire pressing block according to the present invention;

FIG. 6 is a schematic view of the structure of the conductor terminal of the present invention;

FIG. 7 is a schematic view of a rectangular spring washer of the present invention;

FIG. 8 is a schematic view of a circular spring washer of the present invention in use;

fig. 9 is a schematic view of the rectangular spring washer of the present invention in use.

Detailed Description

Referring to fig. 1, the connector of the anti-loose structure of the present invention includes a locking screw 1, a locking wire frame 2, an elastic washer 3, a wire pressing block 4, a cable 5 and a conductor terminal 6;

referring to fig. 1 and 2, the lockwire screw 1 is composed of a threaded section 11 and a polished rod section 12 at the end, a locking step 111 is arranged between the threaded section 11 and the polished rod section 12, and a rivet turning opening 121 is arranged on the polished rod section 12.

Referring to fig. 1 and 3, the wire locking frame 2 is a rectangular frame, and the wire locking frame 2 is provided with a cable channel 22 in the axial direction, a threaded hole 21 on the top surface, and a fabrication hole 23 on the bottom surface.

Referring to fig. 1, 4 and 7, the elastic washer 3 is a circular spring washer 31 or a rectangular spring washer 32.

Referring to fig. 1 and 5, the wire pressing block 4 is a rectangular sheet, and a horn hole 41 is formed in the center thereof.

Referring to fig. 1 and 6, the conductor terminal 6 is a stamping having an elastic socket 61 at one end and a lug 62 at the other end, and the lug 62 is provided with a first step 621 and a second step 622.

Referring to fig. 1 to 5 and 7, the polished rod segment 12 of the locking thread screw 1 is arranged in the locking thread frame 2, and the threaded segment 11 of the locking thread screw 1 is engaged with the threaded hole 21 of the locking thread frame 2; the round spring washer 31 or the rectangular spring washer 32 and the line pressing block 4 are sequentially sleeved on the polished rod section 12 of the line locking screw 1, and the rivet turning port 121 of the line locking screw 1 is riveted with the horn hole 41 of the line pressing block 4.

Referring to fig. 1, 3 and 6, the lug 62 of the conductor terminal 6 is disposed in the cable passage 22 from one end of the wire locking frame 2, and the first step 621 and the second step 622 on the lug 62 are located at two ends of the wire locking frame 2.

Referring to fig. 1 to 7, the cable 5 is disposed in the cable channel 22 from the other end of the wire locking frame 2, and the wire locking screw 1 fastens the cable 5 between the wire pressing block 4 and the lug 62 of the conductor terminal 6.

One or a plurality of threaded holes 21 are formed in the top surface of the lockwire frame 2.

Referring to fig. 1, 4 and 7, the circular spring washer 31 is a standard washer, and the rectangular spring washer 32 is a U-shaped washer with folded edges at two sides.

The wire locking method of the connector comprises the following steps:

step 1, assembling a locking wire screw:

referring to fig. 1 to 7, a polished rod segment 12 of a locking thread screw 1 is placed in a threaded hole 21 of a locking thread frame 2, and a threaded segment 11 of the locking thread screw 1 is engaged with the threaded hole 21 of the locking thread frame 2; an elastic washer 3 and a line pressing block 4 are sequentially sleeved on a polished rod section 12 of a line locking screw 1 in a line locking frame 2; extending a flaring tool from the fabrication hole 23 of the wire locking frame 2 to the rivet turning port 121 of the wire locking screw 1, riveting the rivet turning port 121 of the wire locking screw 1 and the horn hole 41 of the wire pressing block 4 in a turning manner, and enabling the riveted round spring washer 31 or rectangular spring washer 32 and wire pressing block 4 to rotate freely on the polished rod section 12 of the wire locking screw 1; the assembly of the lockwire screw 1 is completed.

Step 2, locking the thread of the anti-loosening structure:

referring to fig. 1 to 7, the lug plate 62 of the conductor terminal 6 is installed into the cable channel 22 from one end of the wire locking frame 2, the lug plate 62 contacts with the bottom surface of the wire locking frame 2, and the first step 621 on the lug plate 62 is clamped with the other end of the wire locking frame 2; the wire of the cable 5 is stripped, the cable 5 is arranged in the cable channel 22 from the other end of the wire locking frame 2, the wire of the cable 5 is positioned between the wire pressing block 4 and the lug plate 62 of the conductor terminal 6, along with the screwing of the wire locking screw 1, the locking step 111 of the wire locking screw 1 presses the round spring washer 31 or the rectangular spring washer 32 and the wire pressing block 4, the wire of the cable 5 is fastened between the wire pressing block 4 and the lug plate 62 of the conductor terminal 6, and the locking of the anti-loosening structure is completed.

And step 3, forming a multi-terminal connector:

selecting a connector shell provided with a plurality of terminal seats, and sequentially installing a plurality of wire locking frames 2 into the connector shell of the plurality of terminal seats to complete the integration and assembly of the multi-terminal connector.

Example 1

Referring to fig. 1 to 6 and 8, in the wire locking process, a wire of a cable 5 is installed in the cable channel 22 from the other end of the wire locking frame 2, and the wire of the cable 5 is located between the wire pressing block 4 and the lug 62 of the conductor terminal 6, along with the tightening of the wire locking screw 1, the locking step 111 of the wire locking screw 1 presses the circular spring washer 31 and the wire pressing block 4, the wire of the cable 5 is clamped between the wire pressing block 4 and the lug 62 of the conductor terminal 6 by the wire pressing block 4, the wire locking screw 1 is continuously tightened, the circular spring washer 31 is forced to deform under the action of the locking step 111 on the wire locking screw 1, and the wire of the cable 5 is further fastened between the wire pressing block 4 and the lug 62 of the conductor terminal 6; when the invention is in a vibration environment, the thread section 11 of the lock thread screw 1 is meshed with the thread hole 21 of the lock thread frame 2 to generate a loosening trend, and the circular spring washer 31 restricts the trend to realize the lock thread of an anti-loosening structure.

Referring to fig. 1 to 6 and 8, the lockwire screw 1 of the present invention is provided with a threaded section 11 and a polished rod section 12, a locking step 111 is provided between the threaded section 11 and the polished rod section 12, and the polished rod section 12 is provided with a rivet flipping opening 121; in the wire locking process of the wire locking screw 1, the locking step 111 of the wire locking screw 1 presses the round spring washer 31 and the wire pressing block 4 to be fastened with the wire of the cable 5, because the wire pressing block 4 cannot rotate, the wire of the cable 5 only bears the pressing force between the wire pressing block 4 and the lug plate 62 of the conductor terminal 6, and the torsion of the wire locking screw 1 cannot be transmitted to the wire of the cable 5, therefore, the wire of the cable 5 cannot be damaged in the wire locking or unlocking process.

Referring to fig. 1 to 6, in the invention, a circular spring washer 31 and a wire pressing block 4 are sequentially sleeved on a polished rod section 12 of a wire locking screw 1 from a wire locking frame 2; extending the process hole 23 of the wire locking frame 2 into the turned riveting opening 121 of the wire locking screw 1 by using a flaring tool, and turning and riveting the turned riveting opening 121 of the wire locking screw 1 and the horn hole 41 of the wire pressing block 4; when the line is made on site, the line locking screw 1 cannot fall off from the line locking frame, and the phenomenon that the line locking screw 1 is lost is avoided.

Referring to fig. 1 and 6, the first step 621 and the second step 622 are disposed on the lug plate 62 of the conductor terminal 6, and the first step 621 is used for defining a clamping position between the lug plate 62 and the wire locking frame 2; the second step 622 is used to define the position between the wires of the cable 5 and the lug 62.

Referring to fig. 1 and 6, an elastic socket 61 is disposed at one end of the conductor terminal 6 for being inserted into a conductive terminal of an electrical device; the invention can be made into other interfaces according to the requirements of the adapting form of the connector.

Example 2

Referring to fig. 1 to 3, 5 to 7, and 9, in the wire locking process, the wire of the cable 5 is installed in the cable channel 22 from the other end of the wire locking frame 2, and the wire of the cable 5 is located between the wire pressing block 4 and the lug 62 of the conductor terminal 6, and as the wire locking screw 1 is tightened, the locking step 111 of the wire locking screw 1 presses the rectangular spring washer 32 and the wire pressing block 4, the wire of the cable 5 is clamped between the wire pressing block 4 and the lug 62 of the conductor terminal 6 by the wire pressing block 4, the wire locking screw 1 is continuously tightened, the rectangular spring washer 32 is forced to deform under the action of the locking step 111 on the wire locking screw 1, and the wire of the cable 5 is further fastened between the wire pressing block 4 and the lug 62 of the conductor terminal 6; when the invention is in a vibration environment, the thread section 11 of the lock thread screw 1 is meshed with the thread hole 21 of the lock thread frame 2 to generate a loosening trend, and the rectangular spring washer 32 acts to restrict the trend, so that the lock thread with an anti-loosening structure is realized.

Referring to fig. 1 to 3, 5 to 7, and 9, the lockwire screw 1 of the present invention is provided with a threaded section 11 and a polished rod section 12, a locking step 111 is provided between the threaded section 11 and the polished rod section 12, and the polished rod section 12 is provided with a rivet-turning opening 121; in the wire locking process of the wire locking screw 1, the locking step 111 of the wire locking screw 1 presses the rectangular spring washer 32 and the wire pressing block 4 to be fastened with the wire of the cable 5, because the wire pressing block 4 cannot rotate, the wire of the cable 5 only bears the pressing force between the wire pressing block 4 and the lug plate 62 of the conductor terminal 6, and the torsion of the wire locking screw 1 cannot be transmitted to the wire of the cable 5, therefore, the wire of the cable 5 cannot be damaged in the wire locking or unlocking process.

Referring to fig. 1 to 3 and 5 to 7, the rectangular spring washer 32 and the wire pressing block 4 are sequentially sleeved on the polished rod section 12 of the wire locking screw 1 through the wire locking frame 2; extending the process hole 23 of the wire locking frame 2 into the turned riveting opening 121 of the wire locking screw 1 by using a flaring tool, and turning and riveting the turned riveting opening 121 of the wire locking screw 1 and the horn hole 41 of the wire pressing block 4; when the line is made on site, the line locking screw 1 cannot fall off from the line locking frame, and the phenomenon that the line locking screw 1 is lost is avoided.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.