CN210866477U

CN210866477U - Flame-proof rod-shaped antenna and mounting structure

Info

Publication number: CN210866477U
Application number: CN201921863453.1U
Authority: CN
Inventors: 包俊义; 陈守永
Original assignee: Tianjin Longdian Electric Engineering Co ltd
Current assignee: Tianjin Longdian Electric Engineering Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-26
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a flame-proof type rod antenna and mounting structure, including nylon casing, ordinary antenna, cured resin, O type sealing washer, explosion-proof casing, ordinary antenna is solidified by cured resin and is adorned in the nylon casing, nylon casing one end is equipped with the screw thread, be equipped with the screw thread seat on the explosion-proof casing, the nylon casing carries out threaded connection with the screw thread seat, O type sealing washer sets up between nylon casing and screw thread seat, the nylon casing is fixed on explosion-proof casing. Explosion-proof rod antenna be applicable to explosion-proof electrical equipment of flame-proof type, wholly satisfy explosion-proof technical requirement after the installation, the transmitting power of ordinary antenna does not change, wireless signal transmission distance is unchangeable to accord with national standard, rational in infrastructure, the manufacturing of being convenient for, convenient to use, safe and reliable.

Description

Flame-proof rod-shaped antenna and mounting structure

Technical Field

The utility model belongs to explosion-proof electrical equipment field of flame-proof type especially relates to a flame-proof type rod antenna and mounting structure.

Background

At present, the requirements for using a wireless transmission electric device on explosion-proof electric equipment are more and more. Most of the existing antenna products do not meet the requirements of explosion-proof technology, and the common antenna is directly used in dangerous places of explosive gas or combustible dust. And the common antenna is processed into the intrinsically safe explosion-proof electrical equipment, and the antenna cable is connected with the safety isolation barrier after being introduced into the explosion-proof shell so as to limit the transmission of dangerous energy to the outside of the explosion-proof shell, thereby reducing the transmitting power of the antenna and reducing the transmission distance of wireless signals.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a flame-proof rod antenna and an installation structure thereof, which are used to solve the problem that the conventional antenna is directly used in the place of explosive gas or combustible dust without affecting the transmission power of the signal.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an explosion-proof rod antenna and a mounting structure thereof comprise a nylon shell, a common antenna, cured resin, a threaded seat and an explosion-proof shell;

the nylon casing is cylinder type hollow structure, and one end is sealed, and one end is equipped with the opening, ordinary antenna installs inside the nylon casing, the cured resin filling is in the nylon casing, the cured resin parcel is in the outside of ordinary antenna, explosion-proof casing and screw thread seat welding are as an organic whole, nylon casing one end is equipped with the external screw thread that corresponds with the screw thread seat, the nylon casing carries out threaded connection with explosion-proof casing.

Furthermore, the screw thread seat is provided with a circular groove, the diameter of the circular groove is smaller than that of the screw thread seat, the explosion-proof shell is provided with a through hole, the diameter of the circular groove corresponds to that of the through hole, and the screw thread seat groove is installed in the through hole and fixed on the explosion-proof shell through the external welding of the screw thread seat.

Further, the external screw diameter of nylon casing one end is less than nylon casing diameter, the external screw diameter is corresponding with the diameter of screw thread seat, the inside internal thread that is equipped with of nylon casing, the external screw thread is corresponding with the internal thread, nylon casing carries out threaded connection with the screw thread seat, still be equipped with the seal groove on the nylon shell, install O type sealing washer in the seal groove, O type sealing washer cup joint nylon casing and screw thread seat between, the seal groove diameter is less than the external screw diameter, the seal groove is located between external screw thread and the nylon casing, nylon casing surface evenly is equipped with a plurality of recesses.

Furthermore, the threaded seats are uniformly distributed on two sides of the explosion-proof shell.

Further, the curing resin is liquid, the common antenna is vertically installed in the curing resin after the nylon shell is filled with the curing resin, and the curing resin forms a solid common antenna which is fixed in the nylon shell.

Compared with the prior art, a flame-proof rod-shaped antenna and mounting structure have following advantage:

(1) nylon casing surface be equipped with even recess, prevent that static from producing.

(2) O type sealing washer put into the seal groove of nylon casing in, play the dirt-proof effect of draining.

(3) Flame proof screw thread entry and nylon casing adopt threaded connection, screw thread department is scribbled full resin and is glued, makes nylon casing and flame proof casing satisfy explosion-proof technical requirement.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a sectional view of a flameproof rod antenna and an installation structure according to an embodiment of the present invention;

FIG. 2 is a structural diagram of a nylon shell according to an embodiment of the present invention;

fig. 3 is a structural diagram of an explosion-proof shell according to an embodiment of the present invention.

Description of reference numerals:

1-a nylon shell; 11-a seal groove; 2-a common antenna; 3-curing the resin; 4-O type sealing ring; 5-explosion-proof threaded inlet; 6-explosion-proof shell.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, a flame-proof rod antenna and mounting structure comprises a nylon shell 1, a common antenna 2, cured resin 3, a threaded seat 5 and an explosion-proof shell 6;

as shown in fig. 1 to 3, the nylon casing 1 body is cylinder type hollow structure, and one end is sealed, and one end is equipped with the opening, ordinary antenna 2 is installed inside nylon casing 1, the filling of cured resin 3 is in nylon casing 1, cured resin 3 wraps up in ordinary antenna 2's the outside, explosion-proof casing 6 welds as an organic wholely with screw thread seat 5, 1 one end of nylon casing is equipped with the external screw thread corresponding with screw thread seat 5, nylon casing 1 carries out threaded connection with explosion-proof casing 6.

As shown in fig. 1, the threaded seat 5 is provided with a circular groove, the diameter of the circular groove is smaller than that of the threaded seat 5, the explosion-proof shell 6 is provided with a through hole, the diameter of the circular groove corresponds to that of the through hole, the threaded seat 5 is arranged in the through hole, and the threaded seat 5 is externally welded and fixed on the explosion-proof shell 6 through the threaded seat 5.

As shown in fig. 2, the external thread diameter of 1 one end of nylon casing is less than the diameter of nylon casing 1, the external thread diameter is corresponding with the diameter of screw thread seat, the inside internal thread that is equipped with of nylon casing 1, the external thread is corresponding with the internal thread, nylon casing 1 carries out threaded connection with the screw thread seat, still be equipped with seal groove 11 on the nylon casing 1, install O type sealing washer 4 in the seal groove 11, O type sealing washer 4 cup joints between nylon casing 1 and screw thread seat 5, seal groove 11 diameter is less than the external thread diameter, seal groove 11 is located between external thread and the nylon casing 1, nylon casing 1 surface evenly is equipped with a plurality of recesses, nylon casing 1 bears the impact capacity great to prevent static and produce, be fit for explosion-proof equipment.

As shown in fig. 3, the threaded seats 5 are provided in plurality and uniformly distributed on two sides of the explosion-proof housing 6.

As shown in fig. 1, the cured resin 3 is a liquid, the common antenna 2 is vertically installed in the cured resin 3 after the nylon housing 1 is filled with the cured resin 3, and the cured resin 3 forms a solid common antenna 2 and is fixed in the nylon housing 1.

The specific embodiment is as follows:

after the nylon shell 1 is filled with liquid resin adhesive, the common antenna 2 is inserted into the nylon shell 1, and the resin adhesive is cured to form cured resin 3; the outer surface of the nylon shell 1 is provided with uniform grooves to prevent dangerous static electricity; the O-shaped sealing ring 4 is placed in the sealing groove of the nylon shell 1 to play a role in water and dust prevention; the nylon shell 1 is connected with the threaded seat 5 by threads, and the threaded connection part is fully coated with resin adhesive to form an adhesive bonding surface so as to meet the explosion-proof technical requirement; the screw base 5 and the explosion-proof housing 6 are welded and formed to be a part of the explosion-proof housing 6.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a flame-proof type rod antenna and mounting structure which characterized in that: comprises a nylon shell (1), a common antenna (2), cured resin (3), a threaded seat (5) and an explosion-proof shell (6);

the nylon casing (1) body is cylinder type hollow structure, and one end is sealed, and one end is equipped with the opening, install inside nylon casing (1) ordinary antenna (2), cured resin (3) filling is in nylon casing (1), cured resin (3) parcel is in the outside of ordinary antenna (2), explosion-proof casing (6) and screw thread seat (5) welding are as an organic whole, nylon casing (1) one end is equipped with the external screw thread corresponding with screw thread seat (5), threaded connection is carried out with explosion-proof casing (6) in nylon casing (1).

2. The flameproof rod antenna and the mounting structure of claim 1, wherein: the explosion-proof shell is characterized in that the threaded seat (5) is provided with a circular groove, the diameter of the circular groove is smaller than that of the threaded seat (5), the explosion-proof shell (6) is provided with a through hole, the diameter of the circular groove corresponds to that of the through hole, the groove of the threaded seat (5) is arranged in the through hole, and the groove of the threaded seat (5) is welded and fixed on the explosion-proof shell (6) through the outer part of the threaded seat (5).

3. The flameproof rod antenna and the mounting structure of claim 1, wherein: the utility model discloses a nylon seal ring, including nylon casing (1), threaded seat, sealing groove (11), O type sealing washer (4) are installed to inside the internal thread that is equipped with of nylon casing (1), the external thread is corresponding with the internal thread, nylon casing (1) carries out threaded connection with the threaded seat, still be equipped with seal groove (11) on nylon casing (1), install O type sealing washer (4) in seal groove (11), O type sealing washer (4) cup joint nylon casing (1) and between threaded seat (5), seal groove (11) diameter is less than the external thread diameter, seal groove (11) are located between external thread and nylon casing (1), nylon casing (1) surface evenly is equipped with a plurality of recesses.

4. The flameproof rod antenna and the mounting structure of claim 1, wherein: the threaded seats (5) are uniformly distributed on two sides of the explosion-proof shell (6).

5. The flameproof rod antenna and the mounting structure of claim 1, wherein: the curing resin (3) is liquid, the common antenna (2) is vertically installed in the curing resin (3) after the nylon shell (1) is filled with the curing resin (3), and the curing resin (3) forms a solid common antenna (2) and is fixed in the nylon shell (1).