CN219180819U

CN219180819U - Flame-retardant connector

Info

Publication number: CN219180819U
Application number: CN202320202682.9U
Authority: CN
Inventors: 丁江华
Original assignee: Suzhou Qunao Electronic Technology Co ltd
Current assignee: Suzhou Qunao Electronic Technology Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-13
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a flame-retardant connector which comprises a connector body, wherein a flame-retardant shell is sleeved on the surface of the connector body, flame-retardant components are fixedly arranged on two sides of the surface of the flame-retardant shell, two groups of sealing grooves are formed in the rear side of the inner wall of the flame-retardant shell, and two groups of sealing rings are sleeved inside the two groups of sealing grooves. According to the utility model, the connector body can be arranged in the flame-retardant shell through the sliding fit of the sliding groove and the sliding rod, and the flame-retardant assembly is arranged, so that the fire extinguishing material can be automatically ejected out for extinguishing fire under the condition that fire occurs outside, thereby effectively protecting the use safety of the connector body, solving the problems that when a screw is loosened or is not screwed down, gaps exist between the protection cutting sleeves, the circuit inside the protection cutting sleeves is extremely easy to generate spontaneous combustion when fire occurs in a high-temperature environment or an external environment for a long time, and the flame-retardant effect is greatly reduced.

Description

Flame-retardant connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a flame-retardant connector.

Background

The connector is also called a connector. Also referred to herein as connectors and sockets, are commonly referred to as electrical connectors. Namely, devices for connecting two active devices, which transmit current or signals, in some high temperature environments, a combustion-supporting connector is needed for protecting the safe use of the circuit, and preventing the short circuit of the internal circuit of the connector from seriously causing fire accidents.

For example, the patent number is: the utility model of 202123143169.7 relates to the field of cable connectors, in particular to a flame-retardant connector for cable butt joint, which comprises a connector body, wherein two ends of the connector are respectively provided with a jack and a plug, the outer side of the connector is provided with a protective cutting sleeve used for wrapping the outer surface of the connector, the protective cutting sleeve is composed of flexible graphite materials, and meanwhile, the protective layer is divided into an upper protective sleeve and a lower protective sleeve. The cable is connected with the connector by inserting one end of the connecting cable into the jack or butting the connecting cable with the plug, the protecting clamping sleeve formed by the flexible graphite material wraps the outer surface of the connector, the sealing and flame-retardant effects are achieved through the flexible material, the protecting clamping sleeve is divided into the upper protecting sleeve and the lower protecting sleeve, the protecting sleeve can be conveniently installed, and then the upper protecting sleeve and the lower protecting sleeve are connected by penetrating the outer connecting screw on the first connecting port and the second connecting port, so that the technical problem of how to strengthen the flame-retardant effect of the connector is solved.

Based on the search of patent numbers, the following defects in the prior art are combined:

the existing flame-retardant connector is characterized in that the outer layer of the protective cutting ferrule is made of flexible graphene materials, but the upper cutting ferrule and the lower cutting ferrule are fixed together through a mode that the screws are connected, when the screws are loosened or are not screwed up, gaps exist between the protective cutting ferrules, and when fire occurs in a high-temperature environment or an external environment for a long time, spontaneous combustion is very easy to occur in a circuit inside the protective cutting ferrule, so that the problem of flame-retardant effect is greatly reduced.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a flame-retardant connector, which has the advantage of fire extinguishment and flame retardance, and solves the problems that the existing flame-retardant connector is formed by flexible graphene materials on the outer layer of a protective cutting sleeve, but the upper cutting sleeve and the lower cutting sleeve are fixed together in a connecting mode through screws, when the screws are loosened or are not screwed down, gaps exist between the protective cutting sleeves, and when fire occurs in a high-temperature environment or an external environment for a long time, the circuit inside the protective cutting sleeve is extremely easy to generate spontaneous combustion, and the flame-retardant effect is greatly reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire-retardant connector, includes the connector body, the spout has been seted up on connector body surface, connector body surface cover is equipped with fire-retardant shell, fire-retardant shell inner wall fixedly connected with slide bar, fire-retardant shell front side top and the equal fixedly connected with fixture block of bottom, fire-retardant subassembly of fire-retardant shell surface both sides equal fixed mounting, two sets of seal grooves have been seted up to fire-retardant shell inner wall rear side, two sets of the inside cover of seal groove is equipped with two sets of sealing washer.

As the preferable mode of the utility model, the flame-retardant component comprises a mounting cylinder, an external thread is arranged at the top of the surface of the mounting cylinder, a limiting cylinder is welded at the bottom of the inner wall of the mounting cylinder, a spring is arranged at the top of the limiting cylinder, a spring is arranged in the mounting cylinder, one end of the spring is welded at the bottom of the inner wall of the mounting cylinder, the other end of the spring is fixedly connected at the bottom of the spring, the limiting cylinder is positioned in the spring, the spring is inserted into the limiting cylinder, a diaphragm is adhered at the top of the mounting cylinder, a protective cover is arranged at the top of the mounting cylinder, and an internal thread is arranged on the inner wall of the protective cover.

As the preferable mode of the utility model, the dry powder extinguishing agent is filled in the installation cylinder, the top of the bullet is arranged in an arc shape, and the surface of the flame-retardant shell is sprayed with the fireproof flame retardant.

As the preferable mode of the utility model, the internal thread is in threaded connection with the external thread, the diaphragm is positioned in the protective cover, the diaphragm is circularly arranged, the diaphragm is made of PE material, and the thickness of the diaphragm is 0.1 mm.

As the preferable mode of the utility model, three sliding grooves are arranged at equal intervals in an annular shape, three sliding rods are distributed at equal intervals in an annular shape, the three sliding grooves correspond to the three sliding rods one by one, and the sliding grooves are connected with the sliding rods in a sliding manner.

As the preferable mode of the utility model, the two groups of sealing rings are tightly attached to the connector body, the cross sections of the sealing rings are arranged in a circular shape, and the sealing rings are made of silica gel materials.

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

1. according to the utility model, the connector body can be arranged in the flame-retardant shell through the sliding fit of the sliding groove and the sliding rod, and the flame-retardant assembly is arranged, so that fire extinguishing materials can be automatically ejected out for fire extinguishing under the condition that fire happens outside, thereby effectively protecting the use safety of the connector body.

2. According to the utility model, the mounting cylinder is used for mounting the limiting cylinder, the spring and the dry powder extinguishing agent, and simultaneously the dry powder extinguishing agent can be protected, the spring is matched with the spring, and the spring can jack up the spring through elasticity of the spring, so that the dry powder extinguishing agent in the mounting cylinder is ejected out, the connector body is effectively protected, and the protection cover is matched with the diaphragm, so that the dry powder extinguishing agent in the mounting cylinder is protected.

3. According to the utility model, the dry powder extinguishing agent filled in the installation cylinder is arranged, so that fire can be automatically ejected out when fire occurs, the dry powder extinguishing agent can be better ejected out to the periphery through the arc-shaped arrangement of the top of the elastic block, the fire extinguishing range is enlarged, the fire is prevented, the fire-resistant shell can be effectively protected through the fireproof flame retardant sprayed on the surface of the fire-resistant shell, the service life is prolonged, and the connector body is better protected.

Drawings

FIG. 1 is a schematic perspective view of a flame retardant connector according to the present utility model;

FIG. 2 is a schematic view of a three-dimensional exploded and cross-sectional structure of the present utility model;

fig. 3 is a schematic view of a three-dimensional exploded and cross-sectional structure of the flame retardant assembly of the present utility model.

In the figure: 1. a connector body; 2. a chute; 3. a flame retardant outer shell; 4. a slide bar; 5. a clamping block; 6. a flame retardant assembly; 60. a mounting cylinder; 601. a dry powder extinguishing agent; 61. an external thread; 62. a limiting cylinder; 63. a spring block; 64. a spring; 65. a diaphragm; 66. a protective cover; 67. an internal thread; 7. sealing grooves; 8. and (3) sealing rings.

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.

As shown in fig. 1 to 3, the flame-retardant connector provided by the utility model comprises a connector body 1, and is characterized in that: the spout 2 has been seted up on connector body 1 surface, and connector body 1 surface cover is equipped with fire-retardant shell 3, fire-retardant shell 3 inner wall fixedly connected with slide bar 4, fire-retardant shell 3 front side top and the equal fixedly connected with fixture block 5 of bottom, fire-retardant shell 3 surface both sides equal fixedly mounted have fire-retardant subassembly 6, and fire-retardant shell 3 inner wall rear side has seted up two sets of seal grooves 7, and the inside cover of two sets of seal grooves 7 is equipped with two sets of sealing washer 8.

Referring to fig. 3, the flame retardant assembly 6 includes a mounting cylinder 60, an external thread 61 is provided at the top of the surface of the mounting cylinder 60, a limiting cylinder 62 is welded at the bottom of the inner wall of the mounting cylinder 60, a spring block 63 is provided at the top of the limiting cylinder 62, a spring 64 is provided inside the mounting cylinder 60, one end of the spring 64 is welded at the bottom of the inner wall of the mounting cylinder 60, the other end of the spring 64 is fixedly connected at the bottom of the spring block 63, the limiting cylinder 62 is located inside the spring 64, the spring block 63 is inserted inside the limiting cylinder 62, a diaphragm 65 is adhered at the top of the mounting cylinder 60, a protective cover 66 is provided at the top of the mounting cylinder 60, and an internal thread 67 is provided at the inner wall of the protective cover 66.

As a technical optimization scheme of the utility model, the installation cylinder 60 is used for installing the limit cylinder 62, the spring 64 and the dry powder extinguishing agent 601, and simultaneously can protect the dry powder extinguishing agent 601, the spring 64 is matched with the spring block 63, and the spring block 63 can be jacked up through the elasticity of the spring 64, so that the dry powder extinguishing agent 601 in the installation cylinder 60 is ejected, the connector body 1 is effectively protected, and the protection cover 66 is matched with the diaphragm 65 to protect the dry powder extinguishing agent 601 in the installation cylinder 60.

Referring to fig. 1 and 3, the inside of the installation cylinder 60 is filled with a dry powder extinguishing agent 601, the tops of the elastic blocks 63 are arc-shaped, and the surface of the flame-retardant shell 3 is sprayed with a fireproof flame retardant.

As a technical optimization scheme of the utility model, the dry powder extinguishing agent 601 filled in the installation cylinder 60 can be automatically ejected to extinguish fire when fire happens, the dry powder extinguishing agent 601 can be better ejected to the periphery through the arc-shaped arrangement of the top of the elastic block 63, the fire extinguishing range is enlarged, thereby achieving the purpose of retarding fire, the fire-retardant shell 3 can be effectively protected through the fireproof flame retardant sprayed on the surface of the fire-retardant shell 3, the service life is prolonged, and the connector body 1 is better protected.

Referring to fig. 3, the internal thread 67 is in threaded connection with the external thread 61, the diaphragm 65 is located inside the protective cover 66, the diaphragm 65 is circular, the diaphragm 65 is made of PE material, and the thickness of the diaphragm 65 is 0.1 mm.

As a technical optimization scheme of the utility model, through the threaded connection of the internal threads 67 and the external threads 61, the protective cover 66 can be fixed at the top of the mounting cylinder 60, personnel can be prevented from touching the dry powder extinguishing agent 601 by mistake, the use safety is improved, the dry powder extinguishing agent 601 can be effectively sealed by arranging the diaphragm 65 in the protective cover 66, the service life is prolonged, and the diaphragm 65 made of PE (polyethylene) has the advantages of low ignition point and good sealing performance, and can be automatically melted when the external environment temperature is too high, so that the dry powder extinguishing agent 601 is ejected.

Referring to fig. 2, three sliding grooves 2 are arranged at equal intervals in an annular shape, three sliding rods 4 are distributed at equal intervals in an annular shape, the three sliding grooves 2 correspond to the three sliding rods 4 one by one, and the sliding grooves 2 are in sliding connection with the sliding rods 4.

As a technical optimization scheme of the utility model, the connector body 1 in the flame-retardant shell 3 can be fixed through the sliding connection of the three sliding grooves 2 and the three sliding rods 4, so that the problem of loosening of the connector body 1 after long-time use is prevented, and the stability during connection is improved.

Referring to fig. 2, two sets of sealing rings 8 are tightly attached to the connector body 1, the cross section of each sealing ring 8 is circular, and each sealing ring 8 is made of silica gel.

As a technical optimization scheme of the utility model, the sealing ring 8 tightly attached to the connector body 1 is used for filling the gap between the connector body 1 and the flame-retardant shell 3, and the sealing ring 8 made of silica gel material has stronger high temperature resistance and better elasticity and can be better sealed.

The working principle and the using flow of the utility model are as follows: when the connector body 1 is sleeved into the flame-retardant shell 3 in use, the sliding groove 2 is aligned to the position of the sliding rod 4, the connector body 1 is pushed into the flame-retardant shell 3, in the moving process, the connector body 1 passes through the two groups of sealing grooves 7 and the two groups of sealing rings 8, the two groups of sealing rings 8 are tightly attached to the connector body 1, the connector body 1 is abutted with other connectors, after the plugging is completed, the protective cover 66 is twisted out of the top of the mounting cylinder 60, when exposed fire or overhigh temperature is encountered, the diaphragm 65 can melt by itself, after the diaphragm 65 melts, the spring 64 automatically jacks up the elastic block 63 through elasticity, the bottom of the elastic block 63 vertically moves in the limiting cylinder 62, and the dry powder extinguishing agent 601 is quickly jacked up and splashed to the periphery, so that the surrounding fire is automatically extinguished, and the use safety of the connector body 1 is effectively protected.

To sum up: this fire-retardant type connector through setting up the sliding fit of spout 2 and slide bar 4, can install connector body 1 inside fire-retardant shell 3, through setting up fire-retardant subassembly 6, can pop out fire extinguishing material automatically under the circumstances that takes place to catch fire when the outside, thereby the safety that has effectively protected connector body 1 to use is through setting up the cooperation of two sets of seal grooves 7 and two sets of sealing washer 8, can be isolated connector body 1 with the outside, an existing fire-retardant type connector has been solved, though constitute by flexible graphene material through the protection cutting ferrule outer layer, but go up the cutting ferrule and fix together through the mode that the screw is connected about, when the screw is not hard up or do not screw up, the clearance that can exist between the protection cutting ferrule is in high temperature environment for a long time or when the external environment takes place to catch fire, the inside circuit of protection cutting ferrule very easily takes place spontaneous combustion, the problem of flame retardant efficiency has been greatly reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Flame-retardant connector, comprising a connector body (1), characterized in that: spout (2) have been seted up on connector body (1) surface, connector body (1) surface cover is equipped with fire-retardant shell (3), fire-retardant shell (3) inner wall fixedly connected with slide bar (4), fire-retardant shell (3) front side top and the equal fixedly connected with fixture block (5) in bottom, fire-retardant subassembly (6) are all fixedly mounted on fire-retardant shell (3) surface both sides, two sets of seal grooves (7) have been seted up to fire-retardant shell (3) inner wall rear side, two sets of inside cover of seal groove (7) is equipped with two sets of sealing washer (8).

2. A flame retardant connector as defined in claim 1, wherein: the flame retardant assembly (6) comprises a mounting cylinder (60), external threads (61) are formed in the top of the surface of the mounting cylinder (60), a limiting cylinder (62) is welded at the bottom of the inner wall of the mounting cylinder (60), a spring block (63) is arranged at the top of the limiting cylinder (62), a spring (64) is arranged inside the mounting cylinder (60), one end of the spring (64) is welded at the bottom of the inner wall of the mounting cylinder (60), the other end of the spring (64) is fixedly connected to the bottom of the spring block (63), the limiting cylinder (62) is located inside the spring (64), a diaphragm (65) is adhered to the top of the mounting cylinder (60), a protective cover (66) is arranged at the top of the mounting cylinder, and an internal thread (67) is formed in the inner wall of the protective cover (66).

3. A flame retardant connector as defined in claim 2, wherein: the fire-retardant fire-extinguishing device is characterized in that the inside of the installation cylinder (60) is filled with a dry powder fire-extinguishing agent (601), the top of the bullet block (63) is in an arc shape, and the surface of the fire-retardant shell (3) is sprayed with a fire-retardant agent.

4. A flame retardant connector as defined in claim 2, wherein: the internal thread (67) is in threaded connection with the external thread (61), the diaphragm (65) is located inside the protective cover (66), the diaphragm (65) is in a circular shape, the diaphragm (65) is made of PE materials, and the thickness of the diaphragm (65) is 0.1 mm.

5. A flame retardant connector as defined in claim 1, wherein: the sliding grooves (2) are arranged in an annular equidistant manner, three sliding rods (4) are distributed in an annular equidistant manner, the three sliding grooves (2) correspond to the three sliding rods (4) one by one, and the sliding grooves (2) are in sliding connection with the sliding rods (4).

6. A flame retardant connector as defined in claim 1, wherein: two sets of sealing rings (8) are closely attached to the connector body (1), the cross section of each sealing ring (8) is in a circular shape, and each sealing ring (8) is made of a silica gel material.