CN210156902U

CN210156902U - Explosion-proof cable clamp tight sealing joint

Info

Publication number: CN210156902U
Application number: CN201920944638.9U
Authority: CN
Inventors: 苏清明
Original assignee: Suzhou Su Da Explosion Proof Equipment Co Ltd
Current assignee: Suzhou Su Da Explosion Proof Equipment Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-03-17
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to an explosion-proof equipment technical field specifically is a tight sealing of explosion-proof cable clamp connects, including the midbody, connector and explosion-proof cable, midbody and connector middle part all are provided with the cavity that is used for holding explosion-proof cable, the outside coaxial welding of midbody has the urceolus, the cavity is reserved with the midbody formation in the both ends of urceolus, the one end coaxial welding of connector has the extrusion ring, sealing device has been cup jointed in the other end outside of connector and has stretched into and reserve cavity and urceolus threaded connection, the both ends of midbody all are equipped with multiunit closing device, closing device is annular array distribution about the midbody, connector extrusion closing device cup joints the both ends at the. The utility model discloses simple structure is convenient for have good sealed effect to the change of whole device, can prevent that cable joint department from being corroded by external rainwater, uses through installation arch briquetting and cambered surface clamp splice cooperation, can strengthen the clamp force of the device to the cable.

Description

Explosion-proof cable clamp tight sealing joint

Technical Field

The utility model relates to an explosion-proof equipment technical field specifically is an explosion-proof cable clamp closely seals joint.

Background

The cable joint is widely applied to fixing and protecting wires and cables of mechanical equipment electrical equipment, ship electrical equipment and corrosion-resistant equipment. The main functions of the cable connector are fastening and sealing of the cable and cable connectors used in special places. Such as shielded waterproof cable joints, and is suitable for cables with shielding layers; the explosion-proof cable connector is suitable for explosion-proof cable waterproof connectors and the like in dangerous areas such as mines.

Chinese patent with patent number CN201420281504.0 in the prior art proposes an explosion-proof cable clamp tight sealing joint, which is provided with a first sealing ring in the cavity of the inlet connector, and a gasket and a second sealing ring in the cavity of the intermediate connector, so that although the sealing performance of the cable joint is ensured, the following problems still exist: the traditional explosion-proof joint generally only uses one explosion-proof sealing ring, so that the safety and stability still can not be required, the clamping effect is poor, and basically all the parts are integrated, the installation is inconvenient, one part is broken, the whole part needs to be replaced, and the installation and maintenance cost is very high. Therefore, a sealing joint which is convenient to install and has a good clamping effect is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof cable presss from both sides closely seals joint to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an explosion-proof cable presss from both sides closely to seal connects, includes midbody, connector and explosion-proof cable, midbody and connector middle part all are provided with the cavity that is used for holding explosion-proof cable, the outside coaxial welding of midbody has the urceolus, the both ends of urceolus form with the midbody and reserve the cavity, the one end coaxial welding of connector has the extrusion ring, sealing device has been cup jointed in the other end outside of connector and has stretched into and reserve cavity and urceolus threaded connection, the both ends of midbody all are equipped with multiunit closing device, closing device is annular array distribution about the midbody, connector extrusion closing device cup joints the both ends at the midbody.

Preferably, the tip top-down of midbody is equipped with cross distribution's first holding tank and second holding tank in proper order, be equipped with closing device in the first holding tank, closing device includes arch briquetting and spring, the spring is equipped with two and all welds the both ends at first holding tank, the outside of first holding tank is stretched out at arch briquetting top, arch briquetting bottom and spring fixed connection.

Preferably, be equipped with the cambered surface clamp splice in the second holding tank and with the spliced pole of the top fixed connection of cambered surface clamp splice, the top and the arch briquetting fixed connection of spliced pole.

Preferably, the sealing device comprises a sealing ring and a waterproof sleeve arranged on the outer side of the sealing ring, and two ends of the waterproof sleeve are sequentially sleeved on the outer sides of the extrusion ring and the outer barrel.

Preferably, the outer side walls of the two ends of the outer barrel are respectively provided with a plurality of groups of arc-shaped clamping strips 8, and one end of the waterproof sleeve, which is close to the outer barrel 1, is provided with a guide groove which is sleeved on the outer side of each arc-shaped clamping strip.

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

the utility model discloses novel structure, easy operation uses through installation urceolus and midbody and connector cooperation, is convenient for to the change of whole device, uses not only to have good sealed effect through cooperating sealing washer and waterproof cover, can prevent moreover that cable joint department from being corroded by external rainwater, uses through installation arch briquetting and cambered surface clamp splice cooperation, can strengthen the device to the clamp force of cable, prevents that the cable from taking place the axial and rotating.

Drawings

FIG. 1 is an exploded view of the present invention;

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

FIG. 3 is a cross-sectional view of the intermediate body of the present invention;

fig. 4 is a perspective view of the middle arch-shaped pressing block and the cambered surface clamping block of the present invention.

Fig. 5 is a cross-sectional view of the intermediate body of the present invention.

In the figure: the anti-explosion cable comprises an outer barrel 1, a middle body 2, a first accommodating groove 201, a second accommodating groove 202, a connector 3, a sealing ring 4, a waterproof sleeve 5, a guide groove 501, an arched pressing block 6, an extrusion ring 7, an arc-shaped clamping strip 8, an arc-shaped clamping block 9, a connecting column 10, a spring 11 and an anti-explosion cable 12.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides an explosion-proof cable presss from both sides tight sealing joint, including midbody 2, connector 3 and explosion-proof cable 12, midbody 2 and 3 middle parts of connector all are provided with the cavity that is used for holding explosion-proof cable 12, the outside coaxial welding of midbody 2 has urceolus 1, the cavity is reserved in both ends and the formation of midbody 2 of urceolus 1, the one end coaxial welding of connector 3 has extrusion ring 7, and 3 inside settings of connector are the convex cavity, sealing device has been cup jointed in the other end outside of connector 3 and has stretched into and reserve cavity and 1 threaded connection of urceolus, the both ends of midbody 2 all are equipped with four closing device of group, closing device is ring array distribution about midbody 2, 3 extrusion closing device of connector cup joints.

As shown in fig. 3 and 5, the end portion of the intermediate body 2 is sequentially provided with a first accommodating groove 201 and a second accommodating groove 202 which are distributed in a cross manner from top to bottom, a pressing device is arranged in the first accommodating groove 201, the pressing device comprises an arched pressing block 6 and a spring 11, the spring 11 is provided with two parts and is welded at two ends of the first accommodating groove 201, the top of the arched pressing block 6 extends out of the outer side of the first accommodating groove 201, and the bottom end of the arched pressing block 6 is fixedly connected with the spring 11. After the connector 3 and the middle body 2 are loosened, the arched pressing block 6 and the cambered clamping block 9 can be automatically reset by the mounting spring 11 so as to be mounted next time.

As shown in fig. 3 and 4, the second receiving groove 202 is provided with an arc-shaped clamping block 9 and a connecting column 10 welded to the top of the arc-shaped clamping block 9, and the top of the connecting column 10 is fixedly connected to the arch-shaped pressing block 6. The cambered surface clamping block 9 is made of rubber, so that the cable can not be crushed when being clamped.

As shown in fig. 1, the sealing device includes a sealing ring 4 and a waterproof jacket 5 welded on the outer side of the sealing ring 4, and both ends of the waterproof jacket 5 are sequentially sleeved on the outer sides of the extrusion ring 7 and the outer cylinder 1. Not only has good sealed effect through using sealing washer 4 and waterproof cover 5 cooperation, can prevent moreover that the joint department of cable from being corroded by external rainwater.

As shown in fig. 1, the outer side walls of both ends of the outer barrel 1 are provided with a plurality of groups of arc-shaped clamping strips 8, and one end of the waterproof sleeve 5 close to the outer barrel 1 is provided with a guide groove 501 sleeved outside the arc-shaped clamping strips 8. Through setting up multiunit arc card strip 8 and guide way 501 cooperation and using, both played the spacing effect of direction, can also further strengthen sealed effect.

The working principle is as follows: when using this product, at first insert the connector 3 with the tip of explosion-proof cable 12 in, cup joint sealing device on urceolus 1 along arc card strip 8 directions after that, then cup joint connector 3 together with the cable in the outside of midbody 2 and through screw and urceolus 1 fixed connection, this in-process arch briquetting 6 is owing to receive the inward pressure of connector 3, thereby its both ends drive spliced pole 10 downstream through extrusion spring 11, and spliced pole 10 drives the cambered surface clamp splice downstream, thereby press from both sides tight fixedly to explosion-proof cable 12. The utility model discloses prior art, simple structure uses with the cooperation of connector 3 through installation urceolus 1 and intermediate body 2, is convenient for to the change of whole device, not only has good sealed effect through using the cooperation of sealing washer 4 and waterproof cover 5, can prevent moreover that cable joint department from being corroded by external rainwater, uses through the cooperation of installation arch briquetting 6 and cambered surface clamp splice 8, can strengthen the device to the clamp force of cable, prevents that the cable from taking place the axial rotation.

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

1. The utility model provides an explosion-proof cable presss from both sides closely seals joint, includes midbody (2), connector (3) and explosion-proof cable (12), its characterized in that: midbody (2) and connector (3) middle part all are provided with the cavity that is used for holding explosion-proof cable (12), the outside coaxial welding of midbody (2) has urceolus (1), the both ends of urceolus (1) form the reservation cavity with midbody (2), the one end coaxial welding of connector (3) has extrusion ring (7), sealing device has been cup jointed in the other end outside of connector (3) and has stretched into reservation cavity and urceolus (1) threaded connection, the both ends of midbody (2) all are equipped with multiunit closing device, closing device is ring array distribution about midbody (2), connector (3) extrusion closing device cup joints the both ends at midbody (2).

2. The explosion-proof cable clamp tight sealing joint of claim 1, wherein: the tip top-down of midbody (2) is equipped with first holding tank (201) and second holding tank (202) of cross distribution in proper order, be equipped with closing device in first holding tank (201), closing device includes arch briquetting (6) and spring (11), spring (11) are equipped with two and all weld at the both ends of first holding tank (201), the outside of first holding tank (201) is stretched out at arch briquetting (6) top, arch briquetting (6) bottom and spring (11) fixed connection.

3. The tight sealing head of an explosion-proof cable clamp according to claim 2, wherein: the arc-shaped clamping blocks (9) and the connecting columns (10) fixedly connected with the tops of the arc-shaped clamping blocks (9) are arranged in the second accommodating grooves (202), and the tops of the connecting columns (10) are fixedly connected with the arch-shaped pressing blocks (6).

4. The explosion-proof cable clamp tight sealing joint of claim 1, wherein: the sealing device comprises a sealing ring (4) and a waterproof sleeve (5) arranged on the outer side of the sealing ring (4), and the two ends of the waterproof sleeve (5) are sequentially sleeved on the outer sides of the extrusion ring (7) and the outer barrel (1).

5. The explosion-proof cable clamp tight sealing head of claim 4, wherein: the both ends lateral wall of urceolus (1) all is equipped with multiunit arc card strip (8), the one end that waterproof cover (5) are close to urceolus (1) is equipped with guide way (501) of cup jointing in the arc card strip (8) outside.