An explosion-proof elbow seal adapter structure

Abstract

The utility model discloses a kind of flameproof elbow type sealing switching structure, comprising: elbow plug, the elbow plug is arranged outside cavity;Straight plug, the straight plug is arranged in cavity;Adapter socket, the adapter socket is installed on flameproof panel, for connecting elbow plug and straight plug.This application structure is novel, and practicality is strong, this structure can be used in the case of limited space, can make plug-in direction and cable incoming wire direction form certain angle while meeting sealing, flameproof and complete signal transmission function;One of the characteristics of structure is in the design of elbow pipe part flameproof form and flameproof surface.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connector, more specifically relates to a bend type sealing adapter structure of explosion -proof. BACKGROUND

[0002] The concept and application of explosion-proof connector originated in the early 20th century, and was initially applied in military and industrial fields. With the progress of technology and the increase of application demand, explosion-proof connectors gradually expanded to more fields, especially widely used in dangerous environments such as coal mines.

[0003] Bend type adapter connector is a kind of connector with a certain angle between incoming line direction and plug-in direction, mainly used to solve space limitation and angle problem, to ensure that the equipment is normally connected and works in limited space. This kind of connector is widely used in various occasions requiring angle connection, such as aerospace, industrial control, communication equipment and other fields.

[0004] Due to the limitation of installation conditions, the explosion-proof requirement of oil exploitation and other requirements has brought new demand for bend type explosion-proof connector. Although explosion-proof connector and bend type connector have developed earlier, but so far there is no connector structure combining the two. INVENTION CONTENTS

[0005] The utility model aims at providing a bend type sealing adapter structure of explosion -proof, in order to solve the technical problems in the background art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A bend type sealing adapter structure of explosion -proof, comprising:

[0008] Bend type plug, the bend type plug is arranged outside the cavity;

[0009] Straight plug, the straight plug is arranged in the cavity;

[0010] Adapter socket, the adapter socket is installed on the explosion -proof panel, used for connecting the bend type plug and the straight plug.

[0011] In some embodiments, the bend type plug comprises plug assembly, connecting ring, collar, elbow, straight pipe, sealing line body and clamping device;Plug assembly is connected with connecting ring through thread, connecting ring is fixed on elbow through collar, elbow is connected with straight pipe through thread, sealing line body is arranged on straight pipe through clamping device.

[0012] In some embodiments, the adapter socket comprises adapter socket shell, the adapter socket shell is provided with plug-in cavity matched with bend type plug and straight plug, the plug-in cavity is provided with pin, the pin is fixed through glass sintering surface.

[0013] In some embodiments, the bend and the connecting ring are flameproofed by a cylindrical flameproof surface.

[0014] In some embodiments, the bend and the straight pipe are flameproofed by a cylindrical threaded flameproof surface.

[0015] The utility model has the beneficial effects compared with prior art:

[0016] The application has novel structure and strong practicability, can be used in limited space, can form a certain angle between the plug-in direction and the cable incoming direction while meeting the sealing, explosion-proof and complete signal transmission functions, and has the bend part explosion-proof form and explosion-proof surface design. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the schematic diagram of the explosion-proof bend sealing adapter structure;

[0018] Figure 2 is the schematic diagram of the bend plug;

[0019] Figure 3 is the schematic diagram of the adapter socket;

[0020] Figure 4 is the schematic diagram of the straight plug;

[0021] The reference signs and corresponding names are as follows: 1-bend plug, 2-adapter socket, 3-straight plug, 10-straight pipe sealing ring, 11-plug assembly, 12-connecting ring, 13-clip, 14-bend, 15-straight pipe, 16-cable sealing body, 17-clamping device, 18-plug sealing ring, 19-sealing gasket; 31-glass sintered surface, 32-adapter socket shell, 33-plug pin, 34-flameproof surface plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the application clearer, the technical scheme in the embodiments of the application will be described in more detail below in combination with the drawings of the preferred embodiments of the application. In the drawings, the same or similar reference signs represent the same or similar parts or parts having the same or similar functions throughout. The described embodiments are part of the embodiments of the application, not all embodiments. The embodiments described below by referring to the drawings are exemplary and are intended to explain the application, and cannot be understood as limiting the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the application.

[0023] The embodiments of the application will be described in detail below in combination with the drawings.

[0024] In the description of the application, it is necessary to point out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0025] In the description of the application, it is necessary to understand that the terms "up", "down", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the application.

[0026] In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or display including a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or displays.

[0027] The following will be combined with Figures 1-4 A flameproof elbow sealing adapter structure related to the embodiments of the application will be described in detail. It is worth noting that the following embodiments are only used to explain the application and do not constitute a limitation of the application.

[0028] Embodiment 1:

[0029] As Figures 1-4 shown, a flameproof elbow sealing adapter structure, comprising: an elbow plug 1, a straight plug 3, an adapter socket 2, the elbow plug 1 is arranged outside the cavity; the straight plug 3 is arranged in the cavity; the adapter socket 2 is mounted on the flameproof panel, used for connecting the elbow plug 1 and the straight plug 3. The elbow plug 1 comprises: plug assembly 11, connecting ring 12, clasp 13, elbow pipe 14, straight pipe 15, sealing line body 16, clamping device 17; plug assembly 11 and connecting ring 12 are connected by thread, connecting ring 12 is fixed on elbow pipe 14 through clasp 13, elbow pipe 14 and straight pipe 15 are screw connected, sealing line body 16 is arranged on straight pipe 15 through clamping device 17.

[0030] The key of the whole bending plug 1 is the explosion-proof surface and the elbow pipe 14 part, because the bending plug 1 is formed by the elbow pipe 14 part, the plug-in direction and the incoming line direction form a certain angle, so that the space limitation and the angle problem are solved; the design of the explosion-proof surface adopts the combination of the cylindrical explosion-proof surface and the cylindrical threaded explosion-proof surface, in the design, the elbow pipe 14 and the straight pipe 15 adopt the cylindrical threaded explosion-proof surface explosion-proof, the elbow pipe 14 and the connecting ring 12 adopt the cylindrical explosion-proof surface explosion-proof because of the size factor, the connecting ring 12 and the plug assembly 11 adopt the threaded connection, and the two adopt the cylindrical threaded explosion-proof surface explosion-proof.

[0031] The adapter socket 2 comprises an adapter socket 2 shell, the adapter socket 2 shell is internally provided with a plug-in cavity matched with the bending plug 1 and the straight plug 3, the plug-in cavity is internally provided with a pin, and the pin is fixed through a glass sintering surface.

[0032] The pin is fixed on the adapter socket 2 shell through a glass sintering surface; the glass sintering refers to the process that glass powder or other glass precursors are converted into a dense body through high-temperature treatment. This process is similar to the manufacturing process of ceramics, powder metallurgy and refractory materials, and the purpose is to make the glass powder particles fuse and form a tightly bonded solid through heating. During the sintering process, the glass powder is formed after molding, and physical and chemical changes occur under high temperature, and finally a polycrystalline material is formed, and the microstructure is composed of crystals, glass and pores.

[0033] In the sealing design: the bending plug 1: the compression straight pipe 15 sealing ring 10 mode is adopted between the straight pipe 15 and the elbow pipe 14 to form an end face seal, and the elbow pipe 14 and the plug assembly 11 adopt a compression sealing gasket to form an end face seal; the adapter socket 2 and the mounting panel are sealed through a compression socket sealing ring to form an end face seal, and the glass sintering guarantees the sealing property of the adapter socket 2 itself; when the plug and the socket are combined, the compression plug sealing ring 18 is adopted to form an end face seal.

[0034] The straight plug 3 is plugged into the adapter socket 2 outside the box body to realize signal transmission, and the signal adapter function is realized through the connection of the bending plug 1, the adapter socket 2 and the straight plug 3.

[0035] The above only describes the preferred embodiment of the present application, and is used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An explosion-proof bellows seal adapter structure, characterized by, The invention relates to a plug-in connector for a flameproof panel, comprising: a bent plug arranged outside the cavity; a straight plug arranged inside the cavity; an adapter socket mounted on the flameproof panel for connecting the bent plug and the straight plug.

2. A flameproof bend seal adapter structure according to claim 1, wherein The bent plug comprises a plug assembly, a connecting ring, a clamping ring, a bent pipe, a straight pipe, a sealing body and a clamping device; the plug assembly is connected with the connecting ring by screwing, the connecting ring is fixed on the bent pipe by the clamping ring, the bent pipe is connected with the straight pipe by screwing, and the sealing body is arranged on the straight pipe by the clamping device.

3. A flameproof bend seal adapter structure according to claim 1, wherein The adapter socket comprises an adapter socket shell, an insertion cavity matched with the bent plug and the straight plug is arranged in the adapter socket shell, an insertion pin is arranged in the insertion cavity, and the insertion pin is fixed by a glass sintering surface.

4. A flameproof bend seal adapter structure according to claim 1, wherein The bent pipe and the connecting ring are separated by a cylindrical flameproof surface.

5. A flameproof bend seal adapter structure as claimed in claim 1, wherein, The bent pipe and the straight pipe are separated by a cylindrical threaded flameproof surface.

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