CN219181161U

CN219181161U - Explosion-proof cable sealing joint

Info

Publication number: CN219181161U
Application number: CN202223132973.XU
Authority: CN
Inventors: 徐飞跃; 王振; 茅亚; 姜海伟; 顾南辉
Original assignee: Jiangsu ErLe Electrical Technology Co Ltd
Current assignee: Jiangsu ErLe Electrical Technology Co Ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-06-13
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses an explosion-proof cable sealing joint in the field of explosion-proof cable connection, which comprises a first connecting cylinder and a second connecting cylinder, wherein a first diamond nut is fixedly connected to the middle part of the outer wall of the first connecting cylinder, first external threads are formed on two sides of the outer wall of the first connecting cylinder, first sealing rubber rings are sleeved on two sides of the outer wall of the first connecting cylinder, a second connecting cylinder is arranged at one end of the outer wall of the first connecting cylinder, the second connecting cylinder is in threaded connection with the first connecting cylinder through first internal threads and first external threads, a second diamond nut is fixedly connected to the outer wall of the second connecting cylinder close to one end of the first connecting cylinder, and a second sealing rubber ring is sleeved on one side of the outer wall of the second connecting cylinder, which is far away from the first connecting cylinder, of the second diamond nut. By using the device, the joint outside the explosion-proof cable sealing joint can be reinforced and sealed, so that the adverse effects of blocking and corrosion caused by invasion of dust and liquid into the interior through the joint are avoided.

Description

Explosion-proof cable sealing joint

Technical Field

The utility model relates to the field of explosion-proof cable connection, in particular to an explosion-proof cable sealing joint.

Background

The cable sealing joint is an explosion-proof gram head, is mainly applied to a device for fixing and protecting wires and cables of mechanical equipment, ship electricity and corrosion-proof equipment, and has the functions of fastening and sealing the cables, wherein the fastening means that the cables are locked through gram so as to ensure that the cables do not generate axial displacement and radial rotation, thus ensuring the normal connection of the cables, and the sealing means that the cables are dust-proof and waterproof. In the prior art, most sealing structures of explosion-proof cable sealing joints are mainly formed by adding sealing rubber rings and sealing fillers inside, and sealing at external joints is omitted, so that dust and liquid invade the interior through the joints to cause blockage and corrosion.

Disclosure of Invention

The utility model aims to provide an explosion-proof cable sealing joint, which aims to solve the problems that in the prior art, most sealing structures of explosion-proof cable sealing joints are mainly formed by adding sealing rubber rings and sealing fillers inside, and sealing at external joints is omitted, so that dust and liquid invade through the joints to cause blockage and corrosion of the inside.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an explosion-proof cable sealing joint, includes first connecting cylinder and second connecting cylinder, the first diamond nut of middle part fixedly connected with of first connecting cylinder outer wall, first external screw thread has all been seted up to the both sides that first connecting cylinder outer wall is located first diamond nut, the both sides that first connecting cylinder outer wall is located first diamond nut all overlap and establish and be connected with first seal rubber ring, the one end of first connecting cylinder outer wall is provided with the second connecting cylinder, the inside of second connecting cylinder runs through and has seted up the second inner chamber, the second inner chamber is close to the inner wall of first connecting cylinder one end and has seted up the spacing groove, first internal screw thread has been seted up to the inner wall of spacing groove, second connecting cylinder passes through first internal screw thread and first external screw thread threaded connection with first connecting cylinder, the outer wall fixedly connected with second diamond nut that the second connecting cylinder is close to first connecting cylinder one end, the second connecting cylinder outer wall is located one side cover that the second diamond nut kept away from first connecting cylinder is connected with the second seal rubber ring.

As a further scheme of the utility model: the inside of first connecting cylinder runs through and has seted up first inner chamber, the inside of first inner chamber is provided with first sealing filler, through the setting of first sealing filler, is convenient for carry out the restriction on the position to the cable.

As still further aspects of the utility model: the second inner chamber is located the spacing groove and is kept away from the one end of first connecting cylinder and is provided with first packing ring, through the setting of first packing ring, is convenient for provide the effect of fastening when threaded connection for first connecting cylinder and second connecting cylinder.

As still further aspects of the utility model: and one end, far away from the limiting groove, of the second inner cavity is provided with second sealing filler, and the cable is limited in position conveniently through the arrangement of the second sealing filler.

As still further aspects of the utility model: the second external screw thread has been seted up to the one end that first connecting cylinder was kept away from to second connecting cylinder outer wall, the one end that first connecting cylinder was kept away from to second connecting cylinder outer wall is provided with the block, through the setting of block, is convenient for provide sealedly and fixedly to the cable during the connection.

As still further aspects of the utility model: the third inner chamber has been seted up to the inside of block, the second internal thread has been seted up to the inner wall of third inner chamber, the one end that the block was located the third inner chamber and kept away from the second connecting cylinder is provided with the second packing ring, the one end fixedly connected with third rhombus nut that the second connecting cylinder was kept away from to the block outer wall, through the setting of second internal thread, is convenient for cooperate with the second external thread to carry out threaded connection with block and second connecting cylinder.

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

according to the utility model, through the arrangement of the first connecting cylinder and the second connecting cylinder, the installation and working space is conveniently provided, through the arrangement of the first diamond nut and the second diamond nut, the resistance is conveniently provided during threaded connection, the fastening is convenient, through the arrangement of the first external thread and the first internal thread, the threaded connection and the fixation of the first connecting cylinder and the second connecting cylinder are convenient, through the arrangement of the first sealing rubber ring, the sealing enhancement effect is conveniently provided for the external connection parts of the two ends of the first connecting cylinder, and through the arrangement of the second sealing rubber ring, the sealing enhancement effect is conveniently provided for the external connection parts of the second connecting cylinder and the cap. By using the device, the joint outside the explosion-proof cable sealing joint can be reinforced and sealed, so that the adverse effects of blocking and corrosion caused by invasion of dust and liquid into the interior through the joint are avoided.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic exploded view of a first connecting tube according to the present utility model;

FIG. 3 is a schematic exploded view of a second connecting tube according to the present utility model;

fig. 4 is a schematic view of the overall exploded structure of the present utility model.

In the figure: 1. a first connecting cylinder; 101. a first lumen; 102. a first diamond nut; 103. a first external thread; 2. a first sealing rubber ring; 3. a first sealing filler; 4. a second connecting cylinder; 401. a second lumen; 402. a limit groove; 403. a first internal thread; 404. a first gasket; 405. a second diamond nut; 406. a second external thread; 5. the second sealing rubber ring; 6. a second sealing filler; 7. capping; 701. a third lumen; 702. a second internal thread; 703. a second gasket; 704. and a third diamond nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the embodiment of the utility model, an explosion-proof cable sealing joint comprises a first connecting cylinder 1 and a second connecting cylinder 4, wherein the middle part of the outer wall of the first connecting cylinder 1 is fixedly connected with a first diamond nut 102, both sides of the outer wall of the first connecting cylinder 1, which are positioned on the first diamond nut 102, are respectively provided with a first external thread 103, both sides of the outer wall of the first connecting cylinder 1, which are positioned on the first diamond nut 102, are respectively sleeved with a first sealing rubber ring 2, one end of the outer wall of the first connecting cylinder 1 is provided with a second connecting cylinder 4, the interior of the second connecting cylinder 4 is penetrated with a second inner cavity 401, the inner wall of the second inner cavity 401, which is close to one end of the first connecting cylinder 1, is provided with a limiting groove 402, the inner wall of the limiting groove 402 is provided with a first internal thread 403, the second connecting cylinder 4 is in threaded connection with the first connecting cylinder 1 through the first internal thread 403 and the first external thread 103, the outer wall of the second connecting cylinder 4, which is close to one end of the first connecting cylinder 1, is fixedly connected with a second rubber nut 405, and one side of the outer wall of the second connecting cylinder 4, which is positioned on the side, which is far from the first connecting cylinder 1, is sleeved with a second sealing rubber ring 5.

The first inner cavity 101 is formed in the first connecting cylinder 1 in a penetrating mode, the first sealing filler 3 is arranged in the first inner cavity 101, and the cable is limited in position conveniently through the arrangement of the first sealing filler 3; the first gasket 404 is arranged at one end of the second inner cavity 401, which is far away from the first connecting cylinder 1, of the limit groove 402, and the first gasket 404 is arranged, so that the fastening effect is conveniently provided for the first connecting cylinder 1 and the second connecting cylinder 4 during threaded connection; a second sealing filler 6 is arranged at one end, far away from the limiting groove 402, of the second inner cavity 401, and the cable is conveniently limited in position through the arrangement of the second sealing filler 6; the second external thread 406 is formed at one end, far away from the first connecting cylinder 1, of the outer wall of the second connecting cylinder 4, the cover cap 7 is arranged at one end, far away from the first connecting cylinder 1, of the outer wall of the second connecting cylinder 4, and sealing and fixing of the cable during connection are facilitated through the arrangement of the cover cap 7; the third inner chamber 701 has been seted up to the inside of block 7, the second internal thread 702 has been seted up to the inner wall of third inner chamber 701, the block 7 is located the one end that second connecting cylinder 4 was kept away from to third inner chamber 701 and is provided with second packing ring 703, the one end fixedly connected with third rhombus nut 704 that second connecting cylinder 4 was kept away from to the block 7 outer wall, through the setting of second internal thread 702, be convenient for cooperate with second external thread 406 to carry out threaded connection with block 7 and second connecting cylinder 4.

The working principle of the utility model is as follows: when the device is used for working, only the first sealing rubber ring 2 is sleeved and connected on the two sides of the first connecting cylinder 1, the outer wall of the first connecting cylinder 1 is positioned on the two sides of the first diamond nut 102, then the second connecting cylinder 4 is in threaded connection with the first inner thread 403 through the first outer thread 103, the first diamond nut 102 and the second diamond nut 405 jointly apply pressure to the first sealing rubber ring 2, so that the first sealing rubber ring 2 provides a reinforcing sealing effect for the joint of the first diamond nut 102 and the second diamond nut, then the second sealing rubber ring 5 is sleeved and connected on the side, far away from the first connecting cylinder 1, of the second connecting cylinder 4, the outer wall of the second connecting cylinder 4 is positioned on the side, far away from the first connecting cylinder 1, of the second diamond nut 405, then the cap 7 is in threaded connection with the second outer thread 406, and the second diamond nut 405 and the side wall of the cap 7 jointly apply pressure to the second sealing rubber ring 5, so that the second sealing rubber ring 5 provides a reinforcing sealing effect for the joint of the second diamond nut and the second sealing rubber ring 5.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Claims

1. Explosion-proof cable seal connects, including first connecting cylinder (1) and second connecting cylinder (4), its characterized in that: the middle part fixedly connected with first diamond nut (102) of first connecting cylinder (1) outer wall, first external screw thread (103) have all been seted up to the both sides that first connecting cylinder (1) outer wall was located first diamond nut (102), first sealing rubber ring (2) have all been established to the both sides that first connecting cylinder (1) outer wall was located first diamond nut (102), the one end of first connecting cylinder (1) outer wall is provided with second connecting cylinder (4), second inner chamber (401) have been seted up in the inside run through of second connecting cylinder (4), second inner chamber (401) are close to the inner wall of first connecting cylinder (1) one end and have been seted up spacing groove (402), first internal screw thread (403) have been seted up to the inner wall of spacing groove (402), second connecting cylinder (4) and first connecting cylinder (1) are through first internal screw thread (403) and first external screw thread (103) threaded connection, the outer wall fixedly connected with second connecting cylinder (405) that second connecting cylinder (4) are close to first connecting cylinder (1) one end, second connecting cylinder (4) are located second diamond nut (5).

2. An explosion-proof cable gland according to claim 1, wherein: the inside of first connecting cylinder (1) runs through and has seted up first inner chamber (101), the inside of first inner chamber (101) is provided with first sealing filler (3).

3. An explosion-proof cable gland according to claim 1, wherein: and a first gasket (404) is arranged at one end, far away from the first connecting cylinder (1), of the second inner cavity (401) positioned at the limit groove (402).

4. An explosion-proof cable gland according to claim 1, wherein: and a second sealing filler (6) is arranged at one end, away from the limiting groove (402), of the second inner cavity (401).

5. An explosion-proof cable gland according to claim 1, wherein: the second external thread (406) is arranged at one end, far away from the first connecting cylinder (1), of the outer wall of the second connecting cylinder (4), and a cover cap (7) is arranged at one end, far away from the first connecting cylinder (1), of the outer wall of the second connecting cylinder (4).

6. An explosion proof cable seal joint according to claim 5, wherein: the novel nut cap is characterized in that a third inner cavity (701) is formed in the cap (7), a second inner thread (702) is formed in the inner wall of the third inner cavity (701), a second gasket (703) is arranged at one end, far away from the second connecting cylinder (4), of the cap (7), and a third rhombus nut (704) is fixedly connected to one end, far away from the second connecting cylinder (4), of the outer wall of the cap (7).