CN213845681U - Explosion-proof cable connector - Google Patents

Abstract

The utility model discloses a flame-proof type cable connector belongs to the cable connector field, including revolving the portion of twisting, installation shell, cable body, flame proof screw thread, gland nut, drag reduction gasket, seal ring groove, separation blade, gluing the sealant. The utility model discloses a straighten the cable body and pass in the installation shell, then add the gluey sealant in to the installation shell, and then fill the gap between the cable, utilize the flame proof screw thread on the installation shell to revolve during the use and twist in the mounted position, and then because airtight packing between the cable body, and then carry out completely isolated with mounted position and external environment, the seal of flame proof screw thread in addition, new further cooperation gland nut extrusion seal gasket further and further airtight to the small clearance of flame proof screw thread, can accomplish the back at the sealed inslot coating sealant through sealed annular, and then realize cable junction's complete sealing, and then play good flame proof effect.

Description

Explosion-proof cable connector

Technical Field

The utility model relates to a cable connector field, especially a flame-proof type cable connector.

Background

The cable connector is mainly suitable for signal transmission between internal connection and distribution frame of various digital program controlled exchanges and photoelectric transmission equipment of transmission equipment bureau, and is used for transmitting communication equipment of data, audio frequency, video frequency and the like. The sheath is made of flame-retardant materials, and the safety factor is high. The cable is produced by adopting an advanced process, so that the flame-retardant and anti-uniformity of the cable is good, and the multi-core cable enables the rack to be laid more conveniently.

The conventional cable connector usually adopts a simple sheath as a main body of the connector, and because a gap exists between the sheath and the cable, the cable cannot be subjected to explosion-proof protection during cable connection, so that an explosion-proof cable connector with good sealing performance and an explosion-proof function is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that proposes in the background art, designed a flame-proof type cable connector.

The technical scheme of the utility model is that, the flameproof cable connector comprises a screwing part, a mounting shell, a cable body, flameproof threads, a sealing nut, a drag reduction gasket, a sealing ring groove, a separation blade and a glue sealing agent, wherein the screwing part is fixedly mounted on the upper part of the mounting shell, the mounting shell is of a cylindrical structure, the cable body passes through the middle part of the mounting shell, the flameproof threads are opened on the outer side wall of the mounting shell, the sealing nut is screwed and sleeved outside the flameproof threads, the drag reduction gasket is sleeved outside the mounting shell and positioned below the sealing nut and contacted with the sealing nut, the sealing gasket is sleeved outside the mounting shell and positioned below the drag reduction gasket and contacted with the drag reduction gasket, the sealing ring groove is opened on the upper surface of the sealing nut and adjacent to the flameproof threads outside the mounting shell, two separation blades are sleeved outside the cable body and are embedded and mounted at the upper end and the lower end inside the mounting shell, the glue sealing agent is filled in the installation shell and the gap of the cable body.

Furthermore, the installation shell is provided with installation grooves, the installation grooves are formed in the upper end and the lower end of the installation shell, and the separation blades are installed in the installation grooves in the upper end and the lower end of the installation shell in an embedded mode.

Furthermore, the number of the engaging threads on the explosion-proof threaded joint surface is more than or equal to 5.

Furthermore, the adhesive sealing surface of the adhesive sealing agent is more than or equal to 20 mm.

Further, the screwing part is of a polygonal structure with the same shape as the sealing nut.

Advantageous effects

The utility model provides a flame-proof cable connector, has the following beneficial effects that the device straightens the cable body and passes through the installation shell through the structural design, then adds the sealant into the installation shell, and further fills the gap between the cables, and further completely isolates the installation position from the external environment when in use, thereby playing the flame-proof role;

through the leakproofness of flame proof screw thread, new step cooperation gland nut extrudees seal gasket and then further airtight to the small clearance of flame proof screw thread, can be through sealed annular groove at the sealed inslot coating of sealing after the installation sealed glue, and then realize cable junction's complete sealing, play good flame proof effect.

Drawings

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

FIG. 2 is a schematic view of the structure of FIG. 1 viewed from direction K;

fig. 3 is a schematic structural view of a cross section taken along line a-a of fig. 1 according to the present invention.

In the figure, 1, a screw part; 2. mounting a shell; 3. a cable body; 4. explosion-proof threads; 5. a seal nut; 6. a drag reduction shim; 7. sealing gaskets; 8. sealing the ring groove; 9. a baffle plate; 10. a glue sealing agent; 11. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper/lower end", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed/sleeved," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a flame-proof type cable connector comprises a screwing part 1, a mounting shell 2, a cable body 3, flame-proof threads 4, a sealing nut 5, a drag reduction gasket 6, a sealing gasket 7, a sealing ring groove 8, a separation blade 9 and a glue sealant 10, wherein the screwing part 1 is fixedly mounted on the upper part of the mounting shell 2, the mounting shell 2 is of a cylindrical structure, the cable body 3 penetrates through the middle part of the mounting shell 2, the flame-proof threads 4 are arranged on the outer side wall of the mounting shell 2, the sealing nut 5 is screwed and sleeved outside the flame-proof threads 4, the drag reduction gasket 6 is sleeved outside the mounting shell 2 and positioned below the sealing nut 5 and is contacted with the sealing nut 5, the sealing gasket 7 is sleeved outside the mounting shell 2 and positioned below the drag reduction gasket 6 and is contacted with the drag reduction gasket 6, the sealing ring groove 8 is arranged on the upper surface of the sealing nut 5 and is adjacent to the flame-proof threads 4 outside the mounting shell 2, the two separation blades 9 are sleeved outside the cable body 3 and are embedded and mounted at the upper and lower ends inside the mounting shell 2, the sealant 10 is filled in the installation shell 2 and the gap of the cable body 3, wherein the sealant 10 is made of epoxy resin, the baffle 9 is made of polytetrafluoroethylene, the anti-drag gasket 6 is of a metal sheet structure with a smooth surface, and the sealing gasket 7 is made of rubber.

The utility model discloses in, be equipped with mounting groove 11 on the installation shell 2, mounting groove 11 is opened in installation shell 2 upper and lower both ends, separation blade 9 is installed in installation shell 2 upper and lower both ends through inlaying the dress in mounting groove 11, and the separation blade 9 of being convenient for through the mounting groove 11 on the installation shell 2 is inlayed in it, and then is convenient for install separation blade 9.

The utility model discloses in, the number of detaining of nibbling on 4 composition surfaces of flame proof screw thread is more than or equal to 5 buckles, and then strengthens the flame proof nature of flame proof screw thread 4.

The utility model discloses in, the gluey seal surface of gluing agent 10 is more than or equal to 20mm, and then increases the insulating degree of gluing agent 10.

The utility model discloses in, revolve twisting portion 1 and be the polygonized structure the same with 5 shapes of gland nut, and then be convenient for revolve twisting portion 1 and revolve twisting and then drive installation shell 2 and rotate through the spanner.

In this embodiment:

straightening the cable body 3 and penetrating through the installation shell 2, then installing a baffle plate 9 at the bottom of the installation shell 2, then adding a glue sealant 10 into the installation shell 2, further filling gaps among the cable bodies 3, and then installing the baffle plate 9 at the upper part on the installation shell 2, thereby completing installation;

when the cable is used, the screwing part 1 is screwed to drive the mounting shell 2 to rotate, and then the explosion-proof threads 4 on the mounting shell 2 are screwed to the mounting position, so that the mounting position is completely isolated from the external environment due to the airtight filling among the cable bodies 3, and the insulating and explosion-proof effects are achieved;

then, the sealing nut 5 is screwed, the sealing nut 5 drives the anti-drag gasket 6 and the sealing gasket 7 to be extruded with the plane of the installation position under the action of the explosion-proof thread 4, the joint of the installation position is sealed, the anti-drag gasket 6 can prevent the sealing nut 5 from being rotated during screwing to directly generate friction on the sealing gasket 7, and further the anti-drag gasket 6 indirectly transmits pressure to the sealing gasket 7, so that sealing is realized;

after the installation is finished, sealant can be coated in the sealing ring groove 8, and further sealing between the sealing nut 5 and the explosion-proof thread 4 is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

Claims (5)

1. A flame-proof cable connector comprises a screwing part (1), a mounting shell (2), a cable body (3), flame-proof threads (4), a sealing nut (5), a resistance-reducing gasket (6), a sealing gasket (7), a sealing ring groove (8), a blocking piece (9) and a glue sealant (10), and is characterized in that the screwing part (1) is fixedly mounted on the upper part of the mounting shell (2), the mounting shell (2) is of a cylindrical structure, the cable body (3) penetrates through the middle part of the mounting shell (2), the flame-proof threads (4) are arranged on the outer side wall of the mounting shell (2), the sealing nut (5) is screwed and sleeved outside the flame-proof threads (4), the resistance-reducing gasket (6) is sleeved outside the mounting shell (2) and is positioned below the sealing nut (5) to be contacted with the sealing nut (5), the sealing gasket (7) is sleeved outside the mounting shell (2) and is positioned below the resistance-reducing gasket (6) to be contacted with the resistance-reducing gasket (6), sealing ring groove (8) are opened on gland nut (5) upper surface and adjacent with the outer flame proof screw thread (4) of installation shell (2), two separation blade (9) suit is just inlayed the dress and is installed in installation shell (2) inside upper and lower both ends outside cable body (3), glue sealant (10) are filled in installation shell (2) and in the clearance of cable body (3).

2. The flameproof cable connector of claim 1, wherein the mounting shell (2) is provided with mounting grooves (11), the mounting grooves (11) are formed in the upper end and the lower end of the mounting shell (2), and the blocking pieces (9) are mounted on the upper end and the lower end of the mounting shell (2) by being embedded in the mounting grooves (11).

3. The flameproof cable connector of claim 1, wherein the number of engaging threads on the junction surface of the flameproof threads (4) is greater than or equal to 5.

4. The flameproof cable connector of claim 1, wherein the sealant (10) has a sealant surface of 20mm or more.

5. The flameproof cable connector of claim 1, wherein the screw part (1) is a polygonal structure having the same shape as the gland nut (5).

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