CN213636387U

CN213636387U - Three-core wire-passing sheath

Info

Publication number: CN213636387U
Application number: CN202022392709.4U
Authority: CN
Inventors: 蔡亚娟; 王洪亮; 赵沙
Original assignee: Konette Changzhou Intelligent Technology Co ltd
Current assignee: Konette Changzhou Intelligent Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-07-06
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a three-core wire passing sheath, including the shell main part, set up three inner core barrel in the shell main part, the panel sealing washer is set up to the up end of shell main part, sets up the retaining ring in the inner core barrel, and the retaining ring front portion sets up shielding crimping inner ring, shielding crimping inner ring and retaining ring looks butt, the outer ring of shielding crimping inner ringThe shielding crimping outer ring is sleeved, the wave washer is sleeved at the end head of the shielding crimping inner ring, the cable sealing ring is arranged at the rear part of the check ring, the tail cover is sleeved at the tail end of the inner core barrel body, and the tail cover is fixed on the outer wall of the inner core barrel body through the fixing assembly. The wire passing sheath has high strength and good shielding effect, and is compatible with 25-50 mm²A three-core wire-passing sheath of a shielded cable.

Description

Three-core wire-passing sheath

Technical Field

The utility model belongs to the technical field of cross line sheath technique and specifically relates to a three-core crosses line sheath.

Background

Most of the existing two-core metal wire-passing sheath connectors have overlarge overall dimensions and low shielding function, or have limited product compatibility and cannot simultaneously meet the requirements of 25-50 mm²The use of wires. The problems that the shell is damaged and the product fails to work and the like easily occur due to insufficient shell strength in the use process of the similar plastic shielding connector, and the wire passing sheath is structurally optimized aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcomes the defects of the prior art, and provides a product with high strength, good shielding effect and compatibility of 25-50 mm²A three-core wire-passing sheath of a shielded cable.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a three-core crosses line sheath, includes the shell subject, the shell subject on set up three inner core barrel, the up end of shell subject inlays and sets up the panel sealing washer, the inner core barrel in set up the retaining ring, the retaining ring front portion sets up shielding crimping inner ring, shielding crimping inner ring and retaining ring looks butt, shielding crimping inner ring overcoat establishes shielding crimping outer loop, shielding crimping inner ring end cover establish the wave packing ring, the retaining ring rear portion sets up the cable sealing washer, inner core barrel tail end cover establish the tail-hood, the tail-hood be fixed in the outer wall of inner core barrel through fixed subassembly.

Furthermore, an embedded groove is formed in the circumferential direction of the upper end face of the shell main body, and the panel sealing ring is embedded in the embedded groove.

Furthermore, the end head of the shielding compression joint inner ring is provided with an upper stop check ring for stopping the wave washer.

Furthermore, a lower stop ring is arranged in the middle of the shielding compression joint inner ring and is in butt fit with a step at the end part of the inner core barrel.

Furthermore, a third check ring is arranged in the middle of the shielding compression joint inner ring and is in interference fit with the inner wall of the inner core cylinder.

Furthermore, a metal bushing is embedded in the upper end face of the shell main body.

Furthermore, the fixed component comprises a stop strip and a stop block which are arranged on the outer wall of the inner core barrel, a U-shaped groove and a square groove are formed in the tail cover, the U-shaped groove is matched with the stop strip to prevent the tail cover from radially rotating, and the square groove is matched with the stop block to prevent the tail cover from axially falling off.

Furthermore, the shell main body is provided with a fool-proof post.

Furthermore, the shell main body, the inner core barrel body and the tail cover are made of high-performance engineering plastics and are high in strength.

The utility model discloses a three-core crosses line sheath, its beneficial effect is:

1. the structure is simple, and the product strength is high by adopting high-performance engineering plastics;

2. the installation is convenient and reliable, and a fool-proof structure is provided;

3. can be compatible with 25-50 mm²The shielding cable is suitable for different use environments;

4. shielding for 360 degrees, and the shielding treatment is simple; the EMC shielding function is realized by effective shielding connection;

5. product protection grade IP67, IP6K 9K.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is another schematic structural view of the present invention;

FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic diagram of the explosion structure of the present invention;

fig. 5 is a schematic view of a cable and the installation structure of the present invention;

in the figure: 1. the cable gland comprises a wave gasket, 2. a shielding compression joint inner ring, 3. a shielding compression joint outer ring, 4. a panel sealing ring, 5. a metal bushing, 6. a shell main body, 7. a cable sealing ring, 8. a tail cover, 9. an inner core cylinder, 10. a foolproof column, 21. a lower stop ring, 22. an upper stop ring, 23. a third stop ring, 61. a stop ring, 81. a square groove, 82. U-shaped grooves, 91. a stop block and 92. a stop strip.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The three-core wire-passing sheath comprises a shell main body 6, three inner core cylinders 9 are arranged on the shell main body 6, a panel sealing ring 4 is embedded in the upper end face of the shell main body 6, a retaining ring 61 is arranged in each inner core cylinder 9, a shielding crimping inner ring 2 is arranged in front of the retaining ring 61, the shielding crimping inner ring 2 is abutted to the retaining ring 61, a shielding crimping outer ring 3 is arranged outside the shielding crimping inner ring 2, a wave washer 1 is sleeved at the end of the shielding crimping inner ring 2, a cable sealing ring 7 is arranged behind the retaining ring 61, a tail cover 8 is sleeved at the tail end of each inner core cylinder 9, and the tail cover 8 is fixed on the outer wall of each inner core cylinder 9 through a fixing.

The upper end face of the shell main body 6 is circumferentially provided with an embedded groove, and the panel sealing ring 4 is embedded in the embedded groove.

The end of the shielding crimping inner ring 2 is provided with an upper stop retaining ring 22 for stopping the wave washer 1, the middle of the shielding crimping inner ring 2 is provided with a lower stop ring 21, the lower stop ring 21 is in butt fit with a step at the end of the inner core barrel 9, the middle of the shielding crimping inner ring 2 is provided with a third retaining ring 23, and the third retaining ring 23 is in interference fit with the inner wall of the inner core barrel 9.

A metal bush 5 is fitted to the upper end surface of the housing main body 6.

The fixing assembly comprises a stop strip 92 and a stop block 91 which are arranged on the outer wall of the inner core barrel body 9, a U-shaped groove 82 and a square groove 81 are formed in the tail cover 8, the U-shaped groove 82 is matched with the stop strip 92 to prevent the tail cover 8 from rotating radially, and the square groove 81 is matched with the stop block 91 to prevent the tail cover 8 from falling off axially.

The housing body 6 is provided with a fool-proof post 10.

The shell main body 6, the inner core barrel body 9 and the tail cover 8 are made of high-performance engineering plastics and have high strength.

The utility model discloses a three-core crosses line sheath has excellent performance in aspects such as waterproof, shielding, specifically explains as follows:

waterproofing: 1. the panel is waterproof: the waterproof function of IPX7 is achieved by extruding the part 4 (panel sealing ring) and the mounting panel;

2. waterproofing of the cable: the part 7 (a cable sealing ring) and the cable are radially extruded, so that a waterproof function is realized;

shielding: 1. the part 2 (the shielding compression joint inner ring) is compressed and connected with the cable shielding layer to realize the connection between the cable and the shielding ring;

2. the connection between the shielding ring and the wave washer is realized by the extrusion of the part 1 (the wave washer) and the part 2 (the shielding compression joint inner ring);

3. the connection between the wave washer and the mounting shell is realized by the extrusion of the part 1 (the wave washer) and the metal mounting plane, so that the function of integral shielding is achieved.

Fool-proofing: the fool-proof function is achieved by adjusting the position of the fool-proof column.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made 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.

Claims

1. A three-core wire-passing sheath is characterized in that: including housing main body (6), housing main body (6) on set up three inner core barrel (9), the up end of housing main body (6) inlays and sets panel sealing washer (4), inner core barrel (9) in set up retaining ring (61), retaining ring (61) front portion sets up shielding crimping inner ring (2), shielding crimping inner ring (2) and retaining ring (61) looks butt, shielding crimping inner ring (2) overcoat establish shielding crimping outer ring (3), shielding crimping inner ring (2) end cover establish wave packing ring (1), retaining ring (61) rear portion sets up cable sealing washer (7), inner core barrel (9) tail end cover establish tail-end (8), tail-end (8) be fixed in the outer wall of inner core barrel (9) through fixed subassembly.

2. The three-core wire-passing sheath of claim 1, wherein: the upper end face of the shell main body (6) is circumferentially provided with an embedded groove, and the panel sealing ring (4) is embedded in the embedded groove.

3. The three-core wire-passing sheath of claim 1, wherein: the end of the shielding compression joint inner ring (2) is provided with an upper stop retainer ring (22) for stopping the wave washer (1).

4. The three-core wire-passing sheath of claim 1, wherein: the middle part of the shielding compression joint inner ring (2) is provided with a lower stop ring (21), and the lower stop ring (21) is in butt fit with a step at the end part of the inner core cylinder body (9).

5. The three-core wire-passing sheath of claim 1, wherein: the middle part of the shielding crimping inner ring (2) is provided with a third retaining ring (23), and the third retaining ring (23) is in interference fit with the inner wall of the inner core cylinder body (9).

6. The three-core wire-passing sheath of claim 1, wherein: the upper end face of the shell main body (6) is embedded with a metal bushing (5).

7. The three-core wire-passing sheath of claim 1, wherein: the fixed subassembly including arranging backstop strip (92) and backstop piece (91) of inner core barrel (9) outer wall in, tail-hood (8) on set up U-shaped groove (82) and square groove (81), U-shaped groove (82) cooperate with backstop strip (92) and prevent tail-hood (8) radial rotation, square groove (81) prevent that tail-hood (8) axial from droing with backstop piece (91) cooperation.

8. The three-core wire-passing sheath of claim 1, wherein: the shell main body (6) is provided with a fool-proof post (10).

9. The three-core wire-passing sheath of claim 1, wherein: the shell main body (6), the inner core cylinder body (9) and the tail cover (8) are made of high-performance engineering plastics and are high in strength.