CN214315870U - Explosion-proof shell of communication equipment - Google Patents
Explosion-proof shell of communication equipment Download PDFInfo
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- CN214315870U CN214315870U CN202120365511.9U CN202120365511U CN214315870U CN 214315870 U CN214315870 U CN 214315870U CN 202120365511 U CN202120365511 U CN 202120365511U CN 214315870 U CN214315870 U CN 214315870U
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Abstract
The utility model provides an explosion-proof shell of communication equipment, include: a housing and an upper cover; the shell is a cylinder with an opening at one end, and the upper cover can cover the opening and is connected to the shell, so that the shell and the upper cover form an accommodating space for accommodating the communication equipment. No general communication device has an explosion proof rating. In the industrial fields of petroleum, chemical industry, coal and the like, dangerous areas of flammable and combustible media exist, and the dangerous areas have requirements on explosion-proof levels of communication equipment. In order to solve the explosion-proof conversion problem of common non-explosion-proof communication equipment, an explosion-proof treatment mode is adopted, so that explosion-proof conversion is realized, the equipment has a certain explosion-proof grade, and all original performances of the equipment serving as the common non-explosion-proof communication equipment are reserved. The utility model discloses an explosion-proof shell based on explosion-proof processing mode.
Description
Technical Field
The utility model relates to the field of communication technology, in particular to communication equipment's explosion-proof shell.
Background
With the progress of science and technology, the internet has been deeply developed in various fields. Interconnection and intercommunication become important indexes for measuring the automation and information management level of an enterprise, and network infrastructure is a hardware condition for realizing interconnection and intercommunication. In the industrial field, some areas with dangerous sources have requirements on explosion-proof level of network communication equipment, and most of the network communication equipment which is already in the market and is stable and mature does not have explosion-proof level.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an explosion-proof case for communication equipment, which can seal communication equipment, eliminate potential safety hazard due to spark caused by explosion caused by abnormal operation failure, and make it have a certain explosion-proof level.
The utility model provides an explosion-proof shell of communication equipment, include: a housing and an upper cover;
the casing is a cylinder with an opening at one end, and the upper cover can cover the opening and is connected to the casing, so that the casing and the upper cover form an accommodating space for accommodating the communication equipment.
Preferably, the upper cover further comprises a connecting ring, and the upper cover is detachably connected to the shell through the connecting ring.
Preferably, the device further comprises a connecting screw;
the lip of the opening is provided with a circular first annular groove surrounding the opening, the connecting ring is circular, the cross section of the connecting ring in the direction perpendicular to the axis is matched with the first annular groove, so that one end of the connecting ring can extend into the first annular groove, and the end surface of the connecting ring, which is far away from one end of the shell, is provided with a circular second annular groove of which the axis is superposed with the axis of the connecting ring;
the upper cover comprises a covering part and a circular connecting part, the shape of the connecting part is matched with that of the second annular groove, so that at least part of the connecting part is positioned in the second annular groove, the covering part is provided with a segment-shaped accommodating groove, the diameter of the bottom surface of the accommodating groove is equal to that of an inner hole of the connecting part, the covering part is fixedly connected to the connecting part, and the axis of the accommodating groove is overlapped with that of the connecting part;
the connecting portion is provided with a first through hole, the connecting ring is provided with a second through hole corresponding to the first through hole, a connecting screw hole corresponding to the second through hole is formed in the first annular groove, and the connecting screw penetrates through the first through hole and the second through hole in sequence and is in threaded connection with the connecting screw hole so as to connect the upper cover, the connecting ring and the shell into a whole.
Preferably, the number of the first through holes is at least two, at least two the first through holes are uniformly arranged along the circumferential direction of the connecting part, the number of the second through holes is equal to that of the first through holes, the first through holes are in one-to-one correspondence, the number of the connecting screw holes is equal to that of the second through holes, the connecting screw holes are in one-to-one correspondence, and the number of the connecting screws is equal to that of the connecting screw holes, and the connecting screw holes are in one-to-one correspondence.
Preferably, the device further comprises a pressure ring;
the clamping ring is the shape with connecting portion assorted circle is annular, the clamping ring cover is established cover portion is last, and press and paste connecting portion are kept away from on the terminal surface of go-between one side, be provided with on the clamping ring with the corresponding third through-hole of first through-hole, connecting screw passes in proper order the third through-hole first through-hole with behind the second through-hole, threaded connection is in the connecting screw.
Preferably, the upper cover is made of polycarbonate material, and/or the shell is made of aluminum alloy.
Preferably, the device further comprises a cover plate;
a wiring groove is formed in the surface, back to the upper cover, of the shell, a wire passing hole capable of communicating the wiring groove with the accommodating space is formed in the inner wall of the wiring groove, a wire of the communication equipment located in the accommodating space can penetrate through the wire passing hole, and is connected with a wire of external first equipment in the wiring groove;
the cover plate can cover the wiring groove and is detachably connected to the shell.
Preferably, the wire of the communication equipment passing through the wire passing hole is fixed in the wire passing hole through a sealant.
Preferably, a radio frequency hole is formed in the side wall of the housing, so that the accommodating space is communicated with the outside, and an external second device can be connected with the antenna interface of the communication device through the radio frequency hole.
Preferably, the external second device is provided with a connecting stud, the radio frequency hole is a screw hole matched with the connecting stud, so that the connecting stud of the external second device is in threaded connection with the radio frequency hole;
and/or the presence of a gas in the gas,
the number of the radio frequency holes is at least two.
The utility model provides an explosion-proof shell of communication equipment adopts the upper cover can cover the opening is connected and is in on the casing, make the casing with the upper cover forms and is used for holding communication equipment's accommodation space's technical scheme can seal communication equipment, and the spark that the separation is its because work exception fault causes the explosion production eliminates safe hidden danger, makes it have certain explosion-proof grade.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic view of an operating state of an embodiment of an explosion-proof case of a communication device of the present invention.
In the figure: 1-a shell; 2-covering the upper cover; 3-opening; 4-an accommodation space; 5-a communication device; 6-connecting ring; 7-a connection screw; 8-a first annular groove; 9-a second annular groove; 10-a cover; 11-a connecting portion; 12-a receiving recess; 13-a first via; 14-a second via; 15-connecting screws; 16-a pressure ring; 17-a third via; 18-a cover plate; 19-a wiring groove; 20-a wire through hole; 21-a wire; 22-sealing glue; 23-a radio frequency aperture; 24-blocking means.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.
As shown in fig. 1, an explosion-proof case of a communication device includes: a housing 1 and an upper cover 2. The housing 1 is a cylindrical body with an opening 3 at one end, the upper cover 2 can cover the opening 3 and is connected to the housing 1, so that the housing 1 and the upper cover 2 form a containing space 4 for containing communication equipment 5 (such as a router), and the upper cover 2 can be made of a transparent material. By adopting the technical scheme, the communication equipment 5 can be sealed in the accommodating space 4, sparks generated by explosion due to abnormal working faults can be blocked, potential safety hazards are eliminated, and the communication equipment has a certain explosion-proof level. Meanwhile, the upper cover 2 is made of transparent materials, so that the indicator light of the communication equipment 5 can be observed through the upper cover 2 during working. In actual manufacturing, the upper cover 2 can be made of polycarbonate materials, and the shell 1 can be made of aluminum alloy, so that the explosion-proof shell is lighter and lower in manufacturing cost. The material for manufacturing the upper cover 2 and the housing 1 is not limited to this, and other materials may be used.
Further, as shown in fig. 1, a connection ring 6 is further included, and the upper cover 2 is detachably connected to the housing 1 through the connection ring 6. Therefore, the purpose of changing the volume of the accommodating space 4 can be achieved by using the connecting rings 6 with different specifications, so as to meet the use requirements of the communication devices 5 with different specifications, and when the connecting rings 6 and the upper cover 2 are made of the same material, the connecting rings 6 and the upper cover 2 can be integrally formed, but the invention is not limited thereto.
In particular, as shown in fig. 1, a connection screw 7 is also included. A first annular groove 8 which is annular and surrounds the opening 3 is formed in the lip of the opening 3, the connecting ring 6 is annular, the cross section of the connecting ring 6 in the direction perpendicular to the axis is matched with the first annular groove 8, one end of the connecting ring 6 can extend into the first annular groove 8, and an annular second annular groove 9 with the axis coincident with the axis of the connecting ring 6 is formed in the end face, away from the shell 1, of the connecting ring 6;
the upper cover 2 comprises a covering part 10 and a circular connecting part 11, the shape of the connecting part 11 is matched with that of the second annular groove 9, the connecting part 11 is at least partially positioned in the second annular groove 9, the covering part 10 is provided with a spherical segment-shaped accommodating groove 12, the diameter of the bottom surface of the accommodating groove 12 is equal to that of an inner hole of the connecting part 11, the covering part 10 is fixedly connected onto the connecting part 11, and the axis of the accommodating groove 12 is overlapped with that of the connecting part 11. In actual manufacturing, the covering portion 10 and the connecting portion 11 may be integrally formed.
The connecting portion 11 is provided with a first through hole 13, the connecting ring 6 is provided with a second through hole 14 corresponding to the first through hole 13, the first annular groove 8 is provided with a connecting screw hole 15 corresponding to the second through hole 14, and the connecting screw 7 sequentially passes through the first through hole 13 and the second through hole 14 and is in threaded connection with the connecting screw hole 15 so as to connect the upper cover 2, the connecting ring 6 and the housing 1 into a whole. This not only ensures that the connection ring 6 is in tight abutment with the connection portion 11 and the inner wall of the first annular recess 8, but also facilitates removal or installation. To ensure the tightness of the explosion-proof case as a whole, a sealing member (not shown) may be provided between the connecting portion 11 and the inner wall of the second annular groove 9 and between the connecting ring 6 and the inner wall of the first annular groove 8 to enhance the sealing effect. In actual manufacturing, the number of the first through holes 13 is at least two, the at least two first through holes 13 are uniformly arranged along the circumferential direction of the connecting portion 11, the number of the second through holes 14 is equal to that of the first through holes 13 and is in one-to-one correspondence, the number of the connecting screw holes 15 is equal to that of the second through holes 14 and is in one-to-one correspondence, and the number of the connecting screws 7 is equal to that of the connecting screw holes 15 and is in one-to-one correspondence. In this way, the upper cover 2, the connection ring 6 and the housing 1 can be connected by at least two connection screws 7, which improves the secure connection. It should be noted that the specific technical solution of integrally connecting the upper cover 2, the connection ring 6 and the housing 1 is not limited to the connection by the connection screw 7, and any other technical solution capable of achieving the object of the invention may be adopted.
As an alternative, as shown in fig. 1, a pressure ring 16 is also included. The pressing ring 16 is in a ring shape matched with the connecting portion 11, the pressing ring 16 is sleeved on the covering portion 10 and is pressed and attached to the end face of the connecting portion 11 far away from the connecting ring 6, a third through hole 17 corresponding to the first through hole 13 is formed in the pressing ring 16, and the connecting screw 7 is in threaded connection in the connecting screw hole 15 after sequentially penetrating through the third through hole 17, the first through hole 13 and the second through hole 14. The press ring 16 may be made of the same material as the upper cover 2 and may be integrally formed with the upper cover 2.
As an embodiment, as shown in fig. 1, further includes a cover plate 18; a wiring groove 19 is formed on the surface of the housing 1 facing away from the upper cover 2, a wire passing hole 20 capable of communicating the wiring groove 19 with the accommodating space 4 is formed on the inner wall of the wiring groove 19, a wire 21 of the communication device 5 located in the accommodating space 4 can pass through the wire passing hole 20 and is connected with a wire of an external first device (not shown) in the wiring groove 19, and the cover plate 18 can cover the wiring groove 19 and is detachably connected to the housing 1. Wherein the number of the wire through holes 20 can be more than two, so that the wires 21 of more than two communication devices 5 and accessories thereof can pass through. With this configuration, the connection portion between the lead wire of the external first device (not shown) and the lead wire 21 of the communication device 5 can be sealed in the wire connection groove 19, and a sealing member (not shown) can be provided between the cover plate 18 and the lip of the wire connection groove 19 to ensure the sealing performance of the wire connection groove 19. In the actual production, the cover plate 18 can be screwed (not shown) onto the lip of the terminal recess 19. Further, as shown in fig. 1, the wire 21 of the communication device 5 passing through the wire through hole 20 is fixed in the wire through hole 20 by a sealant 22. This makes it possible to hermetically separate the wiring groove 19 from the accommodating space 4. So as to prevent sparks generated by explosion of the communication device 5 due to an abnormal operation failure from entering the wire insertion groove 19 from the wire insertion hole 20.
As an implementation manner, as shown in fig. 1, a radio frequency hole 23 for communicating the accommodating space 4 with the outside is provided on a side wall of the housing 1, so that an external second device (not shown) can be connected with the antenna interface of the communication device 5 through the radio frequency hole 23. In practical use, the external second device has a connection stud, and the rf hole 23 is a screw hole matched with the connection stud, so that the connection stud of the external second device is screwed in the rf hole 23. The number of the radio frequency holes 23 is at least two, so that the antenna interface of the communication device 5 is connected with at least two external second devices, and meanwhile, the external second devices and the communication device 5 can be relatively fixed in the radio frequency holes 23 through the connecting studs of the external second devices in a threaded mode, and the reliability of connection between the external second devices and the communication device 5 is further guaranteed. In actual manufacturing, when the rf hole 23 is not connected with the connection stud of the second device, the rf hole 23 can be sealed by the sealing member 24, so as to ensure the tightness of the accommodating space 4. Wherein the blocking member 24 may be a stud that mates with the rf hole 23, but is not limited thereto.
Above embodiment makes the utility model has the advantages of can seal communication equipment, the spark that the separation is its because work exception fault causes the explosion to produce eliminates safe hidden danger, makes it have certain explosion-proof grade.
The above description is only an example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. An explosion-proof housing for a communication device, characterized by:
the method comprises the following steps: a shell (1) and an upper cover (2);
the shell (1) is a cylindrical body with an opening (3) at one end, the upper cover (2) can cover the opening (3) and is connected to the shell (1), and the shell (1) and the upper cover (2) form an accommodating space (4) for accommodating the communication equipment (5);
the upper cover (2) is detachably connected to the shell (1) through the connecting ring (6);
also comprises a connecting screw (7);
a first annular groove (8) which is annular and surrounds the opening (3) is formed in the lip of the opening (3), the connecting ring (6) is annular, the cross section of the connecting ring (6) in the direction perpendicular to the axis is matched with the first annular groove (8), one end of the connecting ring (6) can extend into the first annular groove (8), and an annular second annular groove (9) of which the axis is coincident with the axis of the connecting ring (6) is formed in the end face, away from one end of the shell (1), of the connecting ring (6);
the upper cover (2) comprises a covering part (10) and a circular connecting part (11), the shape of the connecting part (11) is matched with that of the second annular groove (9), so that the connecting part (11) is at least partially positioned in the second annular groove (9), the covering part (10) is provided with a spherical segment-shaped accommodating groove (12), the diameter of the bottom surface of the accommodating groove (12) is equal to that of an inner hole of the connecting part (11), the covering part (10) is fixedly connected to the connecting part (11), and the axis of the accommodating groove (12) is overlapped with that of the connecting part (11);
be provided with first through-hole (13) on connecting portion (11), be provided with on go-between (6) with second through-hole (14) that first through-hole (13) correspond, be provided with in first annular groove (8) with connection screw (15) that second through-hole (14) correspond, connecting screw (7) pass in proper order first through-hole (13) with second through-hole (14), and threaded connection is in connect in the screw (15), in order to incite somebody to action upper cover (2) go-between (6) with casing (1) are connected as an organic whole.
2. An explosion-proof housing for a communication device as defined in claim 1, wherein:
the quantity of first through-hole (13) is at least two, at least two first through-hole (13) are followed the circumference of connecting portion (11) is evenly arranged, the quantity of second through-hole (14) with the quantity of first through-hole (13) equals to the one-to-one, connect the quantity of screw (15) with the quantity of second through-hole (14) equals to the one-to-one, the quantity of connecting screw (7) with the quantity of connecting screw (15) equals to the one-to-one.
3. An explosion-proof housing for a communication device as defined in claim 1, wherein:
the pressure ring (16) is also included;
clamping ring (16) be the shape with connecting portion (11) assorted ring shape, clamping ring (16) cover is established cover portion (10) is last, and the pressure is pasted connecting portion (11) are kept away from on the terminal surface of go-between (6) one side, be provided with on clamping ring (16) with corresponding third through-hole (17) of first through-hole (13), connecting screw (7) pass in proper order third through-hole (17) first through-hole (13) with behind second through-hole (14), threaded connection is in connecting screw (15).
4. An explosion-proof housing for a communication device as defined in claim 1, wherein:
the upper cover (2) is made of polycarbonate material, and/or the shell (1) is made of aluminum alloy.
5. The explosion-proof housing of a communication device according to any one of claims 1 to 4, wherein:
further comprising a cover plate (18);
a wiring groove (19) is formed in the surface, back to the upper cover (2), of the shell (1), a wire passing hole (20) capable of communicating the wiring groove (19) with the accommodating space (4) is formed in the inner wall of the wiring groove (19), a lead (21) of the communication equipment (5) located in the accommodating space (4) can penetrate through the wire passing hole (20), and is connected with a lead of external first equipment in the wiring groove (19);
the cover plate (18) can cover the wiring groove (19) and is detachably connected to the shell (1).
6. An explosion-proof housing for a communication device as defined in claim 5, wherein:
and a lead (21) of the communication equipment (5) which passes through the wire passing hole (20) is fixed in the wire passing hole (20) through a sealant (22).
7. An explosion-proof housing for a communication device as defined in claim 5, wherein:
and a radio frequency hole (23) which enables the accommodating space (4) to be communicated with the outside is formed in the side wall of the shell (1), so that external second equipment can be connected with an antenna interface of the communication equipment (5) through the radio frequency hole (23).
8. The explosion proof housing of communication equipment as recited in claim 7, wherein:
the external second equipment is provided with a connecting stud, the radio frequency hole (23) is a screw hole matched with the connecting stud, and the connecting stud of the external second equipment is in threaded connection in the radio frequency hole (23);
and/or the presence of a gas in the gas,
the number of the radio frequency holes (23) is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120365511.9U CN214315870U (en) | 2021-02-08 | 2021-02-08 | Explosion-proof shell of communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120365511.9U CN214315870U (en) | 2021-02-08 | 2021-02-08 | Explosion-proof shell of communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214315870U true CN214315870U (en) | 2021-09-28 |
Family
ID=77833933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120365511.9U Active CN214315870U (en) | 2021-02-08 | 2021-02-08 | Explosion-proof shell of communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214315870U (en) |
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2021
- 2021-02-08 CN CN202120365511.9U patent/CN214315870U/en active Active
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