CN213213068U

CN213213068U - Explosion-proof cable clamp tight sealing joint

Info

Publication number: CN213213068U
Application number: CN202021930129.XU
Authority: CN
Inventors: 何光明
Original assignee: Yangzhong Hongguang Explosion Proof Electric Appliance Co ltd
Current assignee: Yangzhong Hongguang Explosion Proof Electric Appliance Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-05-14
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses an explosion-proof cable clamp tight sealing joint, which comprises a central connecting body and side connecting bodies respectively arranged at two sides of the connecting body, wherein the central connecting body comprises a connecting frame, connecting rings arranged at two sides of the connecting frame and provided with external threads, a sealing glue sleeve, a plurality of springs and an O-shaped sealing ring; the side connector includes connecting block, gasket and clamping mechanism with go-between threaded connection, and clamping mechanism includes clamping jaw and interlude and threaded connection's tighrening ring, and the tighrening ring is including interior ring and outer tighrening ring of expanding, is close to central connection body side edge on the interior ring that expands and is equipped with the buckle ring, and outer tighrening ring inner wall is equipped with the internal thread and makes interior ring and clamping jaw buckle connection after clamping jaw threaded connection. The utility model discloses compact structure, both sides press from both sides tight cable, multiple sealed promotion sealing effect, long service life.

Description

Explosion-proof cable clamp tight sealing joint

Technical Field

The utility model relates to an explosion-proof cable equipment technical field, concretely relates to explosion-proof cable presss from both sides closely seals joint.

Background

After the cable is laid, the sections of the cable must be connected together in order to form a continuous line, and the connection of these connection points requires the use of cable splices. The cable joint is used for locking and fixing incoming and outgoing lines, plays a role in water resistance, dust resistance and vibration resistance, and is widely applied to the fixed protection of wires and cables of mechanical equipment electrical equipment, ship electrical equipment and anti-corrosion equipment.

In the prior art, the cable joint is generally integrated and only adopts one sealing ring to seal, the sealing effect and the explosion-proof safety performance are poor, the clamping effect is poor, the service life of the cable joint is greatly influenced, and the labor intensity and the maintenance cost of manual maintenance are increased.

Disclosure of Invention

In order to solve the problem, the utility model aims at providing an explosion-proof cable presss from both sides closely joint head presss from both sides tight promotion through both sides and presss from both sides tight effect and life to set up multiple threaded connection structure, O type sealing washer and seal the gum cover and promote sealed effect.

The utility model adopts the technical proposal that:

an explosion-proof cable clamp tight sealing joint comprises a central connecting body and side connecting bodies respectively arranged at two sides of the connecting body, wherein the central connecting body comprises a connecting frame, connecting rings arranged at two sides of the connecting frame and provided with external threads, a sealing rubber sleeve, a plurality of springs and an O-shaped sealing ring; the side connector includes connecting block, gasket and clamping mechanism with go-between threaded connection, and clamping mechanism includes clamping jaw and interlude and threaded connection's tighrening ring, and the tighrening ring is including interior ring and outer tighrening ring of expanding, is close to central connection body side edge on the interior ring that expands and is equipped with the buckle ring, and outer tighrening ring inner wall is equipped with the internal thread and makes interior ring and clamping jaw buckle connection after clamping jaw threaded connection.

Preferentially, the link includes outer loop and solid fixed ring, and middle part in the outer loop is located to solid fixed ring, and solid fixed ring both sides are located to the go-between branch, and solid fixed ring is close to go-between edge and is equipped with the through-hole and makes to seal the gum cover and pass the through-hole and alternate with solid fixed ring and be connected, and on the solid fixed ring between outer loop and the go-between was located to the spring, outer loop edge was equipped with recess and O type.

Preferably, a through groove is formed in the connecting block, and threads are formed on the inner wall of the center of the through groove, so that the connecting block is connected with the connecting ring in a threaded manner after extruding the spring and the O-shaped sealing ring.

Preferentially, the clamping claw is fixedly arranged on one side, away from the connecting ring, of the connecting block, and the gasket is sleeved on the outer side of the clamping claw.

Preferentially, the clamping jaw comprises a base and a plurality of clamping jaws arranged at the upper edge of the base at equal intervals, one end of each clamping jaw, far away from the base, is inwards provided with a clamping block and is clamped with a clamping ring, and the outer side of the base is provided with threads and is in threaded connection with an outer tightening ring.

Preferentially, the centers of the fastening ring, the connecting block, the connecting ring and the connecting frame are all provided with cavities, and explosion-proof cables are inserted inside the cavities.

Preferably, the rubber sealing sleeve, the O-shaped sealing ring and the inner expanding ring are made of rubber materials.

The utility model has the advantages that:

1. the side connecting bodies are arranged on two sides of the central connecting body, and the clamping claws are in threaded connection with the fastening ring to enable the clamping claws to clamp the explosion-proof cable, so that the clamping effect is improved, the side connecting bodies at one end are prevented from being cracked, and the other end is still clamped, and the service life of the sealing joint is prolonged;

2. the connecting block is in threaded connection with the central connecting body after extruding the spring and the O-shaped sealing ring, and the spring presses the sealing rubber sleeve, the O-shaped sealing ring and the threaded structure to form multiple sealing, so that the sealing effect is improved;

3. the cable that is convenient for alternates of expanding outward the jack catch in the interior ring that expands of tighrening ring, makes its and base threaded connection through rotatory outer tighrening ring gradually, and the buckle ring is each other for interior knot as its back of screwing with the jack catch, improves sealed effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic connection diagram of the present invention;

FIG. 2 is a schematic view of the center connector connection of the present invention;

fig. 3 is a schematic view of the fastening ring connection of the present invention.

Labeled as: 1. the novel clamping device comprises a central connecting body, 11 connecting rings, 12 sealing sleeves, 13 springs, 14O-shaped sealing rings, 2 connecting frames, 21 outer rings, 211 grooves, 22 fixing rings, 221 through holes, 3 side connecting bodies, 31 connecting blocks, 311 through grooves, 32 gaskets, 4 clamping mechanisms, 41 clamping claws, 411 bases, 412 clamping claws, 413 clamping blocks, 5 fastening rings, 51 inner expanding rings, 511 fastening rings and 52 outer fastening rings.

Detailed Description

As shown in fig. 1, an explosion-proof cable presss from both sides closely seals joint, including central connector 1 and the side connector 3 of locating the connector both sides separately, promote the life who presss from both sides tight effect and sealing joint, tighrening ring 5, connecting block 31, go-between 11 and link 2 center all are equipped with cavity and inside insert and are equipped with explosion-proof cable, seal gum cover 12, O type sealing washer 14, interior expanding ring 51 all adopt the rubber material, wherein:

as shown in fig. 1-2, the central connector 1 includes a connecting frame 2, a connecting ring 11 disposed at two sides of the connecting frame 2 and having external threads, a sealing compound sleeve 12, a plurality of springs 13, and an O-ring 14; the connecting frame 2 comprises an outer ring 2 and a fixing ring 22, the fixing ring 22 is arranged in the middle of the outer ring 2, the connecting ring 11 is respectively arranged at two sides of the fixing ring 22, a through hole 221 is formed in the edge of the fixing ring 22, which is close to the connecting ring 11, the sealing glue sleeve 12 penetrates through the through hole 221 and is connected with the fixing ring 22 in an inserting mode, the spring 13 is arranged on the fixing ring 22 between the outer ring 2 and the connecting ring 11, a groove 211 is formed in the edge of the outer ring 2, and;

as shown in fig. 1 and 3, the side connector 3 includes a connecting block 31, a gasket 32 and a clamping mechanism 4, which are in threaded connection with the connecting ring 11, a through groove 311 is formed in the connecting block 31, and threads are formed on the inner wall of the center of the groove, so that the connecting block 31 is in threaded connection with the connecting ring 11 after extruding the spring 13 and the O-shaped sealing ring 14, and the sealing compound sleeve 12, the O-shaped sealing ring 14 and the threaded structure form multiple sealing after the spring 13 is pressed tightly; the clamping mechanism 4 comprises a clamping jaw 41 and a fastening ring 5 which is inserted and connected with the clamping jaw by screw thread, the fastening ring 5 comprises an inner expanding ring 51 and an outer fastening ring 52, a clamping ring 511 is arranged on the inner expanding ring 51 near the side edge of the central connecting body 1, the inner wall of the outer fastening ring 52 is provided with internal thread and is connected with the clamping jaw 41 by screw thread, the inner expanding ring 51 is connected with the clamping jaw 41 by snap fit, the clamping jaw 41 is fixedly arranged on one side of the connecting block 31 far away from the connecting ring 11, a gasket 32 is sleeved on the outer side of the clamping jaw 41, the clamping jaw 41 comprises a base 411, a plurality of clamping jaws 412 are arranged on the upper edge of the base 411 at equal intervals, one end of each clamping jaw 412 far away from the base 411 is provided with a clamping block 413 inwards and is connected with the clamping ring 511 by screw thread, the outer expanding ring 51 of the fastening ring 5 is used for inserting cables, the outer fastening ring 52 is screwed to the clamping jaws 411 by gradually rotating, and the, the sealing effect is improved.

The utility model has the advantages that: compact structure, both sides press from both sides tight cable, and multiple sealed effect that promotes long service life.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof cable presss from both sides closely seals joint, includes central connector and the side connector of locating the connector both sides separately, its characterized in that: the central connector comprises a connecting frame, connecting rings, a sealing rubber sleeve, a plurality of springs and O-shaped sealing rings, wherein the connecting rings are arranged on two sides of the connecting frame and are provided with external threads; the side connector includes connecting block, gasket and clamping mechanism with go-between threaded connection, and clamping mechanism includes clamping jaw and interlude and threaded connection's tighrening ring, and the tighrening ring is including interior ring and outer tighrening ring of expanding, is close to central connection body side edge on the interior ring that expands and is equipped with the buckle ring, and outer tighrening ring inner wall is equipped with the internal thread and makes interior ring and clamping jaw buckle connection after clamping jaw threaded connection.

2. The explosion-proof cable clamp tight sealing head of claim 1, wherein: the link includes outer loop and solid fixed ring, and middle part in the outer loop is located to solid fixed ring, and solid fixed ring both sides are located to the go-between branch, and solid fixed ring is close to go-between edge and is equipped with the through-hole and makes to seal the gum cover and pass the through-hole and solid fixed ring alternate and be connected, and on the solid fixed ring between outer loop and the go-between was located to the spring, outer loop edge was equipped with recess and O type.

3. The explosion-proof cable clamp tight sealing head of claim 1, wherein: the connecting block is internally provided with a through groove, and the inner wall of the center of the groove is provided with threads, so that the connecting block is connected with the connecting ring through the threads after extruding the spring and the O-shaped sealing ring.

4. The explosion-proof cable clamp tight sealing head of claim 1, wherein: the clamping jaw is fixedly arranged on one side, away from the connecting ring, of the connecting block, and the gasket is sleeved on the outer side of the clamping jaw.

5. The explosion-proof cable clamp tight sealing head of claim 1, wherein: the clamping jaw comprises a base and a plurality of clamping jaws arranged at the upper edge of the base at equal intervals, one end, far away from the base, of each clamping jaw is inwards provided with a clamping block and is clamped with a clamping ring, and the outer side of the base is provided with threads and is in threaded connection with an outer tightening ring.

6. The explosion-proof cable clamp tight sealing head of claim 1, wherein: the centers of the fastening ring, the connecting block, the connecting ring and the connecting frame are all provided with cavities, and explosion-proof cables are inserted inside the cavities.

7. The explosion-proof cable clamp tight sealing head of claim 1, wherein: the rubber sealing sleeve, the O-shaped sealing ring and the inner expanding ring are all made of rubber materials.