CN215579291U - High protection level explosion-proof connector - Google Patents

Abstract

The utility model discloses a high-protection-level explosion-proof connector which comprises a first pressing protection opening and a first nut, wherein a socket connecting piece is installed on the inner side of the first nut in a threaded mode, a socket body is installed on the inner side of the socket connecting piece in a threaded mode, a first O-shaped ring is sleeved on the outer side of the socket body and located between the socket body and the socket connecting piece, and a plug body is installed on the inner side of the socket body in an embedded mode; the plug connecting piece is installed on the outer side of the plug body, and a plug locking ring is installed on the outer side of the plug connecting piece. According to the utility model, the socket body and the plug body are installed, the socket body and the plug body are mutually embedded and connected when the structure is installed, workers can realize explosion suppression and sealing only by directly inserting and screwing, the installation of the device is facilitated for the workers, and meanwhile, after the socket body and the plug body are butted, the contact pins and the jacks are butted, so that the connection tightness of the device is ensured.

Description

High protection level explosion-proof connector

Technical Field

The utility model relates to the technical field of explosion-proof connectors, in particular to an explosion-proof connector with high protection level.

Background

The common explosion-proof connector shell forms in the current market are as follows: the connector is oppositely inserted, the square disc movable socket is fixedly connected, the explosion-proof box body socket is fixedly connected, contact pins are contacted and electrically conducted to be communicated, the inner contact pins are made of copper alloy silver plating, gold plating and the like, and the shell is made of stainless steel passivation, aluminum alloy anodizing and the like.

The explosion-proof connector in the prior art has the following defects:

1. reference CN207691089U discloses an explosion-proof connector, include "explosion-proof connector includes female head, first fastener, second fastener, sealing cap and sealing washer, first fastener include with female first threaded connection's fixed part, certainly the fixed part is to keeping away from the extension that female head direction extends, and certainly the extension is to keeping away from the tightening part that the fixed part direction extends, the fixed part include the casing and by the first accommodating space that the casing encloses, the second fastener accept in accommodating space is close to the one end of extension, and the butt the extension, the second fastener by elastic material make, be equipped with the first through-hole of quartzy first shape assorted. Compared with the prior art, the explosion-proof connector provided by the utility model has good waterproof, dustproof and explosion-proof performances and stable connection, but the internal sealing structure of the device is simpler, and the internal waterproof stability of the device cannot be kept.

2. The sealing form of common explosion-proof connectors on the market is basically that plane pressing type sealing or gluing sealing at a threaded connection part is adopted, plane pressing type sealing needs a contact surface to be screwed to the bottom, otherwise, the waterproof requirement cannot be met, certain potential safety hazards exist, and later-stage disassembly and maintenance are inconvenient after gluing sealing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof connector with high protection level, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-protection-level explosion-proof connector comprises a first pressing protection opening and a first nut, wherein a socket connecting piece is installed on the inner side of the first nut in a threaded mode, a socket body is installed on the inner side of the socket connecting piece in a threaded mode, a first O-shaped ring is sleeved on the outer side of the socket body and located between the socket body and the socket connecting piece, and a plug body is installed on the inner side of the socket body in an embedded mode;

the plug connecting piece is installed on the outer side of the plug body, the plug locking ring is installed on the outer side of the plug connecting piece, the inner side threads of the plug locking ring are installed on the outer side of the socket body, the outer side of the socket body is connected with the socket protection cap through a connecting line, the inner side threads of the socket protection cap are provided with the plug protection plug, the inner side of the socket protection cap is provided with the fourth gasket, and the fourth gasket is located at one end of the plug protection plug.

Preferably, a first sealing ring is installed at one end of the socket connecting piece, the first sealing ring is installed on the inner side of the first nut, a first pressing protection opening is installed at one end of the first sealing ring, and the first pressing protection opening is installed on the inner side of the first nut.

Preferably, a first snap ring is installed on the inner side of the socket body, the socket inner cores are installed on one side of the first snap ring, and the jacks are formed between the two groups of socket inner cores.

Preferably, the second snap ring is installed to the inboard of plug body, and the plug inner core is installed to one side of second snap ring, installs the contact pin between two sets of plug inner cores, and the contact pin is connected with the jack gomphosis.

Preferably, a first gasket is mounted on the outer side of the socket body, and the first gasket is mounted at one end of the socket connector.

Preferably, a second gasket is mounted on the outer side of the plug body and abuts against one end of the socket body, a third gasket is mounted on the outer side of the plug body and abuts against one end of the plug connecting piece, a second O-ring is mounted on the outer side of the plug body and is located on the inner side of the plug connecting piece.

Preferably, a third O-shaped ring is installed on the outer side of the plug connecting piece, the third O-shaped ring is located on the inner side of the plug locking ring, a second sealing ring is installed at one end of the plug connecting piece, a second pressing protection opening is installed at one end of the second sealing ring, a second nut is installed at one end of the plug connecting piece in a threaded mode, and the second nut is located on the outer sides of the second sealing ring and the plug connecting piece

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

1. the socket is provided with the first O-shaped ring which is sleeved between the socket body and the socket connecting piece, the first O-shaped ring has good waterproofness, and the protection performance can be effectively provided and the risk of sealing failure can be reduced by compression sealing of the contact surfaces and the multiple groups of O-shaped rings.

2. According to the utility model, the socket body and the plug body are installed, the socket body and the plug body are mutually embedded and connected when the structure is installed, workers can realize explosion suppression and sealing only by directly inserting and screwing, the installation of the device is facilitated for the workers, and meanwhile, after the socket body and the plug body are butted, the contact pins and the jacks are butted, so that the connection tightness of the device is ensured.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic diagram of a pin structure according to the present invention;

FIG. 4 is a schematic view of the structure at position A of the present invention.

In the figure: 1. a first pressing mouth protector; 2. a first seal ring; 3. a first nut; 4. a socket connector; 5. a first snap ring; 6. a socket body; 7. a first O-ring; 8. a first gasket; 9. an inner core of the socket; 10. a jack; 11. a plug body; 12. a second O-ring; 13. a second gasket; 14. a third gasket; 15. a plug locking ring; 16. a third O-ring; 17. a plug connector; 18. a second nut; 19. a second seal ring; 20. a second pressing mouth protector; 21. inserting a pin; 22. an inner core of the plug; 23. a second snap ring; 24. a fourth gasket; 25. a socket protective cap; 26. the plug protects the plug.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention: an explosion-proof connector with high protection level.

The first embodiment comprises a first compression mouth protector 1 and a first screw cap 3, a socket connecting piece 4 is installed on the inner side of the first screw cap 3 through threads, a first sealing ring 2 is installed at one end of the socket connecting piece 4, the first sealing ring 2 is installed on the inner side of the first screw cap 3, the first compression mouth protector 1 is installed at one end of the first sealing ring 2, the first compression mouth protector 1 is installed on the inner side of the first screw cap 3, the first screw cap 3 is installed on the outer side of the socket connecting piece 4 through threads, the tightness of connection of a device is ensured through the threads, meanwhile, the inner wall of the first screw cap 3 is tightly attached through the first sealing ring 2, the first sealing ring 2 is composed of silicon rubber and used for sealing the device, the wear resistance ensured by the first compression mouth protector 1, a socket body 6 is installed on the inner side threads of the socket connecting piece 4, a first gasket 8 is installed on the outer side of the socket body 6, the socket connecting piece 4 is butted with the socket body 6 through threads, so that a worker can conveniently assemble the device, in the connecting process, the first gasket 8 is attached to the connecting part of the socket connecting piece 4 and the socket body 6 to ensure the sealing performance of the device, the first gasket 8 is arranged at one end of the socket connecting piece 4, the first snap ring 5 is arranged on the inner side of the socket body 6, the socket inner cores 9 are arranged on one side of the first snap ring 5, the jacks 10 are arranged between the two groups of socket inner cores 9, the socket body 6 is fixed on the socket inner cores 9 through the first snap ring 5 to ensure the stability of the socket inner cores 9, the socket inner cores 9 can conveniently support the jacks 10, the pins 21 are butted through the jacks 10, the first O-shaped ring 7 is sleeved on the outer side of the socket body 6, the first O-shaped ring 7 is positioned between the socket body 6 and the socket connecting piece 4, and the first O-shaped ring 7 is sleeved between the socket body 6 and the socket connecting piece 4, the first O-shaped ring 7 has good waterproofness, and can effectively provide protectiveness and reduce the risk of sealing failure by compressing and sealing the first O-shaped ring 7 with a contact surface, the plug body 11 is installed on the inner side of the socket body 6 in an embedded mode, the socket body 6 is connected with the plug body 11 in an embedded mode, workers can realize explosion suppression and sealing only by directly screwing the socket body and the plug body, so that the installation device is convenient for the workers to install, the second gasket 13 is installed on the outer side of the plug body 11, the second gasket 13 abuts against one end of the socket body 6, the third gasket 14 is installed on the outer side of the plug body 11, the sealing performance of the device is improved through the second gasket 13 and the third gasket 14, meanwhile, the connection of the device is buffered, the third gasket 14 abuts against one end of the plug connecting piece 17, the second O-shaped ring 12 is installed on the outer side of the plug body 11, and the second O-shaped ring 12 is located on the inner side of the plug connecting piece 17, a second snap ring 23 is arranged on the inner side of the plug body 11, plug inner cores 22 are arranged on one side of the second snap ring 23, a contact pin 21 is arranged between the two groups of plug inner cores 22, the contact pin 21 is connected with the jack 10 in an embedded mode, the second snap ring 23 fixes the plug inner cores 22, the stability of the plug inner cores 22 is guaranteed, the installation of the plug inner cores 22 on the contact pin 21 is facilitated, the contact pin 21 is in butt joint with the jack 10, and the connection tightness of the device is guaranteed;

referring to fig. 1, 2, 3 and 4, a high protection level explosion-proof connector,

in the second embodiment, a plug connecting member 17 is installed on the outer side of the plug body 11, the plug body 11 is connected with the plug connecting member 17 to ensure the tightness of the device connection, a third O-ring 16 is installed on the outer side of the plug connecting member 17, the third O-ring 16 is located on the inner side of the plug locking ring 15, a second sealing ring 19 is installed on one end of the plug connecting member 17, a second pressing protection opening 20 is installed on one end of the second sealing ring 19, a second nut 18 is installed on one end of the plug connecting member 17 in a threaded manner, the second nut 18 is located on the outer side of the second sealing ring 19 and the plug connecting member 17, a plug locking ring 15 is installed on the outer side of the plug connecting member 17, the plug connecting member 17 is tightly connected with the socket body 6 through the plug locking ring 15 to ensure the tightness of the device connection, and the plug locking ring 15 is installed on the outer side of the device to protect the devices on the inner side, the inner side threads of the plug locking ring 15 are installed on the outer side of the socket body 6, the outer side of the socket body 6 is connected with a socket protection cap 25 through a connecting line, the inner side threads of the socket protection cap 25 are provided with a plug protection plug 26, a fourth gasket 24 is installed on the inner side of the socket protection cap 25, the fourth gasket 24 is located at one end of the plug protection plug 26, the socket protection cap 25 is in butt joint with the plug protection plug 26 through threads, after two-end equipment is separated, the socket protection cap 25 is in butt joint with the socket body 6, the safety of an internal interface is guaranteed, the plug protection plug 26 is installed on the inner side of the plug connecting piece 17, the inner side connecting structure is protected, and the connecting structure is prevented from being damaged due to external influences.

The working principle is as follows: when the staff assembles the device, socket body 6 is connected with the mutual gomphosis of plug body 11, and the staff only need directly screw to inserting and can realize the flame proof and sealed, makes things convenient for the staff to carry out the installation device, accomplishes the butt joint back at socket body 6 and plug body 11 simultaneously, and contact pin 21 docks with jack 10, guarantees the compactness of device connection, accomplishes the electric connection of device.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a high protection level explosion-proof connector, includes that first compressing tightly protects mouthful (1) and first nut (3), its characterized in that: a socket connecting piece (4) is installed on the inner side of the first nut (3) in a threaded mode, a socket body (6) is installed on the inner side of the socket connecting piece (4) in a threaded mode, a first O-shaped ring (7) is sleeved on the outer side of the socket body (6), the first O-shaped ring (7) is located between the socket body (6) and the socket connecting piece (4), and a plug body (11) is installed on the inner side of the socket body (6) in an embedded mode;

the plug connecting piece (17) is installed in the outside of plug body (11), plug locking ring (15) is installed in the outside of plug connecting piece (17), the outside of socket body (6) is installed to the inboard screw thread of plug locking ring (15), the outside of socket body (6) is connected with socket protection cap (25) through the connecting wire, the inboard screw thread of socket protection cap (25) has plug protection end cap (26), fourth packing ring (24) is installed to the inboard of socket protection cap (25), and fourth packing ring (24) are located the one end of plug protection end cap (26).

2. A high level explosion proof connector as defined in claim 1, wherein: first sealing washer (2) are installed to the one end of socket connecting piece (4), and install the inboard at first nut (3) in first sealing washer (2), and the one end of first sealing washer (2) is installed first and is compressed tightly and protect mouthful (1), and the inboard at first nut (3) is installed in first compressing tightly and protecting mouthful (1).

3. A high level explosion proof connector as defined in claim 1, wherein: a first clamping ring (5) is installed on the inner side of the socket body (6), inner socket cores (9) are installed on one side of the first clamping ring (5), and a jack (10) is formed between the two groups of inner socket cores (9).

4. A high level explosion proof connector as defined in claim 1, wherein: a second clamping ring (23) is installed on the inner side of the plug body (11), plug inner cores (22) are installed on one side of the second clamping ring (23), contact pins (21) are installed between the two groups of plug inner cores (22), and the contact pins (21) are connected with the jacks (10) in an embedded mode.

5. A high level explosion proof connector as defined in claim 1, wherein: a first gasket (8) is installed on the outer side of the socket body (6), and the first gasket (8) is installed at one end of the socket connecting piece (4).

6. A high level explosion proof connector as defined in claim 1, wherein: the plug is characterized in that a second gasket (13) is installed on the outer side of the plug body (11), the second gasket (13) abuts against one end of the socket body (6), a third gasket (14) is installed on the outer side of the plug body (11), the third gasket (14) abuts against one end of the plug connecting piece (17), a second O-shaped ring (12) is installed on the outer side of the plug body (11), and the second O-shaped ring (12) is located on the inner side of the plug connecting piece (17).

7. A high level explosion proof connector as defined in claim 1, wherein: third O type circle (16) is installed in the outside of spigot connection spare (17), and third O type circle (16) is located the inboard of spigot locking ring (15), second sealing washer (19) are installed to the one end of spigot connection spare (17), the one end of second sealing washer (19) is installed the second and is compressed tightly mouth of protecting (20), and second nut (18) are installed to the one end screw thread of spigot connection spare (17), and second nut (18) are located the outside of second sealing washer (19) and spigot connection spare (17).

Images