CN213521255U

CN213521255U - Explosion-proof cable clamping and sealing connector

Info

Publication number: CN213521255U
Application number: CN202022532265.XU
Authority: CN
Inventors: 邓裕炳; 徐桂华; 林文君
Original assignee: Fujian Huadian Explosion Proof Electric Apparatus Manufacturing Co ltd
Current assignee: Fujian Huadian Explosion Proof Electric Apparatus Manufacturing Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-22
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a tight sealing of explosion-proof type cable clamp connects relates to the tight auxiliary assembly technical field of cable clamp. The utility model discloses a first main part, the drive hole has been seted up to the inside one end of first main part, and the other end of first main part has the compression cap through threaded connection, and the other end that compresses tightly the cap outside is provided with the spline face, and the other end of first main part just is located the outside that compresses tightly the cap and is equipped with first seal ring, and welded connection has the second main part through the one end in drive hole. The utility model discloses a mutually supporting between hollow pole of second main part, fastening and the alloy ball for explosion-proof type cable clamp closely seals the joint and presss from both sides tight fixedly through the ball to the cable, makes and presss from both sides tight diameter range wider, can adapt to the different cable of more diameters, through mutually supporting between first main part, second main part and the alloy ball, makes the joint can not be because of clamping element is ageing, leads to the cable not hard up, drops even.

Description

Explosion-proof cable clamping and sealing connector

Technical Field

The utility model belongs to the technical field of the tight auxiliary assembly of cable clamp, especially, relate to an explosion-proof type cable clamp closely seals joint.

Background

Explosion-proof type cable clamp closely seals joint, be a cable water joint, the wide application is mechanical equipment electricity, boats and ships electricity, the fixed and protection of wire and cable of anti-corrosion equipment, in order to avoid the cable not hard up, even drop, when selecting sealed joint for the cable, must select the explosion-proof type cable clamp closely seals joint that accords with the cable diameter, however, the inside of current explosion-proof type cable clamp closely seals joint utilizes elastic polyurethane component to press from both sides the tight fixing of cable usually, elastic polyurethane's reducing range is less, can not be fine carry out the centre gripping to the cable of different diameters, and elastic polyurethane can produce ageing after long-time the use, make the centre gripping effect not good, lead to the cable not hard up, even drop.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tight sealing joint of explosion-proof type cable clamp to current problem has been solved: the inner part of the existing explosion-proof cable clamp tight sealing joint is generally clamped and fixed by an elastic polyurethane element, the diameter-changing range of the elastic polyurethane is small, and cables with different diameters cannot be clamped well.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an explosion-proof cable clamp tight sealing joint, which comprises a first main body, wherein one end inside the first main body is provided with a driving hole, the other end of the first main body is connected with a pressing cap through a thread, the other end outside the pressing cap is provided with a rotation stopping surface, and the other end of the first main body and the outer side of the pressing cap are provided with a first sealing washer;

the one end of driving hole has the second main part through welded connection, the outside of second main part is provided with rotates the clamping face, the outside of second main part and the one end that is located to rotate the clamping face are connected with second seal ring through cup jointing, the outside of second main part and the one end that is located to rotate the clamping face have seted up the screw thread section, there is the hollow pole of fastening through threaded connection in the inside of second main part, a plurality of ball mounting holes have been seted up to the other end of the hollow pole of fastening, the inside assembly of ball mounting hole has the alloy ball, there is the nut one end of the hollow pole of fastening through welded connection.

Furthermore, internal thread sections are formed in one end of the interior of the first main body and the interior of the second sealing washer, external threads are formed in the outer sides of the pressing cap and the fastening hollow rod, and the first main body, the pressing cap, the second main body and the fastening hollow rod are connected in a threaded mode through the internal thread sections and the external threads.

Further, the driving hole and the ball mounting hole are both conical holes, and the conical angle of each conical hole is 10 degrees.

Furthermore, the first sealing washer and the second sealing washer are both made of nitrile rubber.

Furthermore, the outer side of the nut is provided with a rotating surface which is a regular hexagon.

Furthermore, the first body, the pressing cap, the second body, the fastening hollow rod and the nut are all made of SUS304 stainless steel.

The utility model discloses following beneficial effect has:

1. the utility model discloses a mutually supporting between second main part, the hollow pole of fastening and the alloy ball for explosion-proof type cable clamp closely seals the head and presss from both sides tight fixedly through the ball to the cable, makes and presss from both sides tight diameter scope wider, can adapt to the different cable of more diameters.

2. The utility model discloses a mutually supporting between first main part, second main part and the alloy ball for it is ageing because of clamping element not to connect, leads to the cable not hard up, drops even.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an exploded view of the structure of the present invention;

FIG. 4 is a cross-sectional view of the structure of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a first body; 2. a drive aperture; 3. a compression cap; 4. a rotation stopping surface; 5. a first sealing gasket; 6. a second body; 7. rotating the clamping surface; 8. a second sealing gasket; 9. fastening the hollow rod; 10. a ball mounting hole; 11. alloy balls; 12. and a nut.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model relates to an explosion-proof cable clamp tight sealing joint, which comprises a first main body 1, wherein one end inside the first main body 1 is provided with a driving hole 2, the other end of the first main body 1 is connected with a pressing cap 3 through a thread, the other end outside the pressing cap 3 is provided with a rotation stop surface 4, and the other end of the first main body 1 and the outer side of the pressing cap 3 are provided with a first sealing washer 5;

one end of the driving hole 2 is connected with a second main body 6 through welding, a rotating clamping surface 7 is arranged on the outer side of the second main body 6, one end, located on the rotating clamping surface 7, of the outer side of the second main body 6 is connected with a second sealing washer 8 through sleeving, one end, located on the rotating clamping surface 7, of the outer side of the second main body 6 is provided with a threaded section, the inside of the second main body 6 is connected with a fastening hollow rod 9 through threads, the other end of the fastening hollow rod 9 is provided with a plurality of ball mounting holes 10, alloy balls 11 are assembled inside the ball mounting holes 10, and one end of the fastening hollow rod 9 is connected with a nut 12 through welding;

here, internal thread sections are respectively arranged at one end inside the first main body 1 and inside the second sealing washer 8, external threads are respectively arranged at the outer sides of the pressing cap 3 and the fastening hollow rod 9, and the first main body 1 and the pressing cap 3, and the second main body 6 and the fastening hollow rod 9 are in threaded connection through the matching of the internal thread sections and the external threads;

here, the driving hole 2 and the ball mounting hole 10 are both conical holes, and the conical angle of the conical holes is 10 degrees;

the first sealing washer 5 and the second sealing washer 8 are both made of nitrile rubber;

here, the outer side of the nut 12 is provided with a rotating surface which is a regular hexagon;

here, the first body 1, the pressing cap 3, the second body 6, the fastening hollow bar 9, and the nut 12 are all made of SUS304 stainless steel.

One specific application of this embodiment is: run through the inside that compresses tightly cap 3 and fastening hollow rod 9 with the cable, rotate nut 12 through the hexagonal spanner, welded connection through fastening hollow rod 9 and nut 12, the threaded connection of second main part 6 and fastening hollow rod 9, make nut 12 drive fastening hollow rod 9 and remove, further drive alloy ball 11 and remove, and then make drive hole 2 and alloy ball 11 laminate and drive alloy ball 11 and form fixedly to the cable, the alloy ball has good corrosion resistance, the advantage of wearability and low weight, make the joint can not be because of clamping element is ageing, lead to the cable not hard up, drop even, the initiation incident has been avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an explosion-proof type cable clamp seals joint closely, includes first main part (1), its characterized in that: a driving hole (2) is formed in one end of the interior of the first main body (1), the other end of the first main body (1) is connected with a pressing cap (3) through threads, a rotation stopping surface (4) is arranged at the other end of the outer side of the pressing cap (3), and a first sealing washer (5) is assembled at the other end of the first main body (1) and positioned on the outer side of the pressing cap (3);

the one end of driving hole (2) has second main part (6) through welded connection, the outside of second main part (6) is provided with rotates clamping face (7), the outside of second main part (6) just is located the one end of rotating clamping face (7) and is connected with second seal ring (8) through cup jointing, the outside of second main part (6) just is located the one end of rotating clamping face (7) and has seted up the screw thread section, there is fastening hollow rod (9) inside of second main part (6) through threaded connection, a plurality of ball mounting holes (10) have been seted up to the other end of fastening hollow rod (9), the inside of ball mounting hole (10) is equipped with alloy ball (11), there is nut (12) through welded connection in the one end of fastening hollow rod (9).

2. The tight sealing head of an explosion-proof cable clamp according to claim 1, wherein an inner thread section is formed at one end of the inside of the first main body (1) and the inside of the second sealing washer (8), an outer thread is formed at the outer sides of the pressing cap (3) and the fastening hollow rod (9), and the first main body (1), the pressing cap (3), the second main body (6) and the fastening hollow rod (9) are in threaded connection through the matching of the inner thread section and the outer thread.

3. An explosion-proof cable clamp tight sealing head according to claim 1, characterized in that the driving hole (2) and the ball mounting hole (10) are conical holes, and the conical angle of the conical holes is 10 degrees.

4. An explosion-proof type cable clamp tight sealing head according to claim 1, characterized in that the first sealing gasket (5) and the second sealing gasket (8) are made of nitrile rubber.

5. An explosion-proof type cable clamp tight sealing head according to claim 1, characterized in that the outside of the nut (12) is provided with a rotation surface, and the rotation surface is a regular hexagon.

6. An explosion-proof type cable clamp tight sealing joint according to claim 1, characterized in that the materials of the first body (1), the pressing cap (3), the second body (6), the fastening hollow rod (9) and the nut (12) are all SUS304 stainless steel.