CN210092844U

CN210092844U - Sealing joint for cable

Info

Publication number: CN210092844U
Application number: CN201920763992.1U
Authority: CN
Inventors: 郑加明; 吴林华; 于志荣
Original assignee: TAIZHOU DEER MACHINERY AND ELECTRICAL MADE Co Ltd
Current assignee: TAIZHOU DEER MACHINERY AND ELECTRICAL MADE Co Ltd
Priority date: 2019-05-26
Filing date: 2019-05-26
Publication date: 2020-02-18
Anticipated expiration: 2029-05-26

Abstract

The utility model relates to the technical field of cable sealing, in particular to a sealing joint for cables, which solves the defect that the sealing joint in the prior art can not prevent water, and comprises a locking nut, a connecting cavity, a middle cavity, a crimping ring and a guide cavity, wherein the upper end of the locking nut is provided with an opening, the inner wall of the locking nut is provided with an internal thread, the outer wall of the connecting cavity is provided with an external thread, the connecting cavity is sleeved in the locking nut and is in threaded connection, the outer wall of the middle cavity is provided with external threads, the middle cavity is connected with the locking nut by screw thread, the inner wall of the upper end of the guide cavity is provided with internal screw thread, and the upper end of guide cavity and the lower extreme threaded connection of middle cavity, lock nut's top is stained with waterproof ring, is stained with the rubber lantern ring on waterproof ring's the inner wall, the utility model provides a rubber lantern ring can play fixed cable's effect, can prevent to have water to get into simultaneously.

Description

Sealing joint for cable

Technical Field

The utility model relates to a cable seal technical field especially relates to sealing joint for cable.

Background

Currently, cables are typically rope-like cables made up of several or groups of at least two twisted conductors, each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable sealing joint plays a role in connection and clamping and sealing between a cable and equipment, but the structural connection effect of most cable sealing joints on the market cannot meet the equipment use requirement, and the existing cable sealing joint cannot prevent water.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the sealing joint in the prior art cannot be waterproof, and providing the sealing joint for cables.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

sealing joint for cable, including lock nut, connection cavity, middle cavity, crimping circle and guide cavity, lock nut's upper end is equipped with the opening, be equipped with the internal thread on lock nut's the inner wall, be equipped with the external screw thread on connecting the cavity outer wall, and connect the cavity cover and establish in lock nut and threaded connection, be equipped with the external screw thread on the middle cavity outer wall, and middle cavity and lock nut threaded connection, be equipped with the internal thread on the inner wall of guide cavity upper end, and guide cavity's upper end and middle cavity's lower extreme threaded connection.

Preferably, a waterproof ring is adhered to the top of the lock nut, and a rubber lantern ring is adhered to the inner wall of the waterproof ring.

Preferably, the upper end of the connecting cavity is provided with a through hole which is matched with the opening, a connecting pressure ring is sleeved in the connecting cavity,

preferably, the locking nut is sleeved with a rubber gasket, and the rubber gasket is positioned between the connecting cavity and the middle cavity.

Preferably, the crimping ring is sleeved in the middle cavity, the middle pressing ring is sleeved in the crimping ring, and the lower end of the middle pressing ring is provided with the sealing ring.

Preferably, the upper end of the guide cavity is provided with a limiting block, and the outer wall of the lower end of the guide cavity is provided with external threads.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a rubber lantern ring can play fixed cable's effect, can prevent to have water to get into simultaneously.

2. The utility model provides a connection clamping ring and middle clamping ring can buckle the effect of protection.

Drawings

Fig. 1 is a schematic front sectional view of a sealing joint for cables according to the present invention;

fig. 2 is a schematic front view of the sealing joint for cables according to the present invention.

In the figure: the sealing device comprises a locking nut 1, a connecting cavity 2, a middle cavity 3, a limiting block 4, a guide cavity 5, a connecting pressing ring 6, an opening 7, a rubber gasket 8, a pressing ring 9, a middle pressing ring 10, a through hole 11, a sealing ring 12, a waterproof ring 13 and a rubber lantern ring 14.

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.

Referring to fig. 1-2, the sealing joint for cables comprises a lock nut 1, a connecting cavity 2, a middle cavity 3, a compression ring 9 and a guide cavity 5, wherein an opening 7 is formed in the upper end of the lock nut 1, internal threads are formed in the inner wall of the lock nut 1, external threads are formed in the outer wall of the connecting cavity 2, the connecting cavity 2 is sleeved in the lock nut 1 and is in threaded connection, external threads are formed in the outer wall of the middle cavity 3, the middle cavity 3 is in threaded connection with the lock nut 1, internal threads are formed in the inner wall of the upper end of the guide cavity 5, and the upper end of the guide cavity 5 is in threaded connection with.

A waterproof ring 13 is stuck on the top of the lock nut 1, a rubber lantern ring 14 is stuck on the inner wall of the waterproof ring 13,

wherein, connect 2 upper ends of cavity and be equipped with through-hole 11, and through-hole 11 and opening 7 phase-match, and connect 2 endotheca of cavity and be equipped with and connect clamping ring 6, the cover is equipped with rubber packing ring 8 in lock nut 1, and rubber packing ring 8 is located and connects between cavity 2 and the middle cavity 3, 9 covers of crimping ring are established in middle cavity 3, and the cover is equipped with middle clamping ring 10 in the crimping ring 9, the lower extreme of middle clamping ring 10 is equipped with sealing washer 12, guide cavity 5 upper end is equipped with stopper 4, and be equipped with the external screw thread on the lower extreme outer wall of guide cavity 5.

Example (b): unscrewing lock nut 1, penetrating the cable from rubber lantern ring 14, penetrating connection cavity 2 and middle cavity 3 in proper order again, wear out from guide cavity 5 at last, twist lock nut 1 again, fix the cable, connect the effect that clamping ring 6 and middle clamping ring 10 can buckle the protection, rubber lantern ring 14 can play fixed cable's effect, can prevent simultaneously that there is water to get into.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Sealing joint for cable, including lock nut (1), connection cavity (2), middle cavity (3), crimping circle (9) and guide cavity (5), its characterized in that, the upper end of lock nut (1) is equipped with opening (7), be equipped with the internal thread on the inner wall of lock nut (1), be equipped with the external screw thread on connection cavity (2) outer wall, and connect cavity (2) cover and establish in lock nut (1) and threaded connection, be equipped with the external screw thread on middle cavity (3) outer wall, and middle cavity (3) and lock nut (1) threaded connection, be equipped with the internal thread on the inner wall of guide cavity (5) upper end, and the lower extreme threaded connection of the upper end of guide cavity (5) and middle cavity (3).

2. The sealing joint for cables according to claim 1, characterized in that a waterproof ring (13) is adhered to the top of the lock nut (1), and a rubber collar (14) is adhered to the inner wall of the waterproof ring (13).

3. The sealing joint for the cable according to claim 1, wherein a through hole (11) is formed in the upper end of the connecting cavity (2), the through hole (11) is matched with the opening (7), and the connecting clamping ring (6) is sleeved in the connecting cavity (2).

4. Sealing joint for cables according to claim 1, characterized in that a rubber gasket (8) is sleeved in the lock nut (1), and the rubber gasket (8) is located between the connecting cavity (2) and the intermediate cavity (3).

5. The sealing joint for the cables according to claim 1, characterized in that the crimping ring (9) is sleeved in the middle cavity (3), an intermediate pressing ring (10) is sleeved in the crimping ring (9), and a sealing ring (12) is arranged at the lower end of the intermediate pressing ring (10).

6. The sealing joint for cables as claimed in claim 1, wherein the guiding cavity (5) is provided with a stopper (4) at the upper end thereof, and the outer wall of the lower end of the guiding cavity (5) is provided with external threads.