CN213125477U - Fire control is with miniature explosion-proof junction box shell - Google Patents
Fire control is with miniature explosion-proof junction box shell Download PDFInfo
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- CN213125477U CN213125477U CN202022194292.0U CN202022194292U CN213125477U CN 213125477 U CN213125477 U CN 213125477U CN 202022194292 U CN202022194292 U CN 202022194292U CN 213125477 U CN213125477 U CN 213125477U
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Abstract
The utility model belongs to the technical field of fire-fighting equipment electrical equipment, in particular to a miniature anti-explosion junction box shell for fire fighting, which comprises a shell and a base, wherein a rectangular flange ring is arranged at the opening of a box body, connecting holes are arranged on the flange ring, three wiring holes which are arranged in a finished product shape are arranged on two end plates of the shell, and an anti-explosion joint is connected in the wiring holes; the end plate is also provided with a grounding blind hole for grounding; the base is a rectangular plate, the size of the base is matched with that of the rectangular flange ring, a plurality of flange fixing holes for connecting the shell are formed along the edge of the base, and a plurality of base fixing holes are formed among the flange fixing holes; a first mounting hole for mounting the L-shaped bracket and the power supply is formed in the middle of the base. The technical scheme of the utility model through separately designing casing and base, install circuit board and power on the base, make things convenient for workman's installation and later maintenance, simultaneously, the casing opening face sets up the rectangle flange, conveniently connects casing and base, and two end plates of casing adopt the aluminum plate after 12mm to make, satisfy explosion-proof level.
Description
Technical Field
The utility model belongs to the technical field of fire-fighting equipment electrical equipment, particularly, relate to a fire control is with miniature explosion-proof junction box shell.
Background
The connection box adopts terminal blocks to collect different leads, different terminal blocks are arranged according to different voltages and currents, and the principle is that copper sheets are divided into voltage terminals and current terminals, and the crimping area corresponds to the cross section of the used lead.
Fire control wiring terminal box is special for fire alarm system circuit separated time and wiring and designs, and fire control wiring box is because operational environment is abominable, generally needs to satisfy explosion-proof grade, the fire control wiring box on the existing market, the specification is bigger, in the face of less installation space, can not be fine satisfy the installation requirement, perhaps the installation capacity is fixed, when the capacity is less, adopt the standard install bin can cause the space extravagant, the cost of fire control system has also been increased simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a fire control is with miniature explosion-proof junction box shell to solve prior art's fire control junction box in the face of less installation space, can not be fine satisfy the installation requirement, it is fixed to have installation capacity simultaneously, when the capacity is less, exists and adopts the standard install bin can cause the space extravagant, has increased fire extinguishing system's cost scheduling problem.
In order to solve the problems, the utility model provides a miniature anti-explosion junction box shell for fire fighting, which comprises a shell and a base, wherein the shell is a box body with an opening on one side, the shell comprises a top plate, two side end plates vertically connected to two ends of the top plate and two side plates vertically connected to two sides of the top plate, and the end plates and the side plates are connected end to end; a rectangular flange ring is arranged at the opening of the box body, connecting holes are formed in the flange ring, three wiring holes which are distributed in a shape like a Chinese character 'ji' are formed in the two end plates, and an explosion-proof connector is connected in each wiring hole; the end plate is also provided with a grounding blind hole for grounding; the base is a rectangular plate, the size of the base is matched with that of the rectangular flange ring, a plurality of flange fixing holes for connecting the shell are formed along the edge of the base, and a plurality of base fixing holes are formed among the flange fixing holes; a first mounting hole for mounting the L-shaped bracket and the power supply is formed in the middle of the base; the L-shaped support comprises a vertical plate and a transverse plate vertically connected to one end of the vertical plate, second mounting holes are formed in the transverse plate and the vertical plate, the transverse plate is mounted on the base through the second mounting holes, and the second mounting holes in the vertical plate are used for fixing the circuit board.
Further, the thickness of the side plate is 4mm, and the thickness of the end plate is 12 mm.
Furthermore, the explosion-proof joint is screwed on the wiring hole through threads, and a silica gel gasket is arranged between the nut part of the explosion-proof joint and the end plate.
Furthermore, a six-sided groove for accommodating a bolt head is formed in the outer side face of the bottom plate of the flange fixing hole formed in the base.
Furthermore, there are four base fixed orifices, and the base fixed orifices is the through-hole.
Furthermore, a sealing groove similar to the flange ring is arranged at the connecting hole of the flange ring, and the depth of the sealing groove is 1 mm.
The utility model has the advantages that: the technical scheme of the utility model through separately designing casing and base, install circuit board and power on the base, make things convenient for workman's installation and later maintenance, and simultaneously, the casing opening face sets up the rectangle flange, conveniently connect casing and base, aluminum plate after two end plates of casing adopt 12mm makes, satisfy explosion-proof grade, three wiring hole has all been seted up on two end plates, it has explosion-proof connector lug to twist on the wiring hole, two end plates all have the design to have wiring hole, make things convenient for the customer to select the wiring direction as required, and simultaneously, the wiring hole that does not use adopts the bolt directly to seal up.
The utility model discloses a be provided with the face-to-face groove that is used for holding the bolt head on the base lateral surface of the flange fixed orifices that sets up on the base, can hide the bolt head of the bolt of connecting base and casing in the bottom plate, can practice thrift the space simultaneously. And further facilitates the attachment of the base plate to equipment or a wall surface.
Drawings
In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the end face structure of the housing of the present invention;
fig. 3 is a schematic view of the housing with a cut-away top plate structure of the present invention;
FIG. 4 is a schematic view of the cross section of the housing in the length direction of the present invention;
FIG. 5 is a schematic sectional view of the assembly structure of the explosion-proof joint and the end plate of the present invention;
FIG. 6 is a schematic view of the inner side surface of the base of the present invention;
FIG. 7 is a schematic view of the outer side surface of the base of the present invention;
FIG. 8 is a schematic view of the cross-sectional structure of the base of the present invention along the A-A direction;
fig. 9 is a schematic structural view of an L-shaped bracket of the present invention;
fig. 10 is a schematic bottom view of the housing of the present invention;
in the figure, 1 is a shell, 1-1 is an end plate, 1-2 is a side plate, 1-3 is a top plate, 2 is an explosion-proof joint, 2-1 is a thread, 3 is a base, 3-1 is a flange fixing hole, 3-2 is a base fixing hole, 4 is a flange ring, 4-1 is a sealing groove, 4-2 is a connecting hole, 5 is a wiring hole, 6 is a grounding blind hole, 7 is a silica gel gasket, 8 is an L-shaped support, 8-1 is a vertical plate, 8-2 is a transverse plate, 8-3 is a second mounting hole, 9 is a circuit board, and 10 is a first mounting hole.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1: as shown in fig. 1-9, a miniature anti-explosion junction box casing for fire fighting comprises a casing 1 and a base 3, wherein the casing 1 is a box body with one open side, the casing 1 comprises a top plate 1-3, two side end plates 1-1 vertically connected to two ends of the top plate 1-3 and two side plates 1-2 vertically connected to two sides of the top plate 1-3, and the end plates 1-1 and the side plates 1-2 are connected end to end; a rectangular flange ring 4 is arranged at the opening of the box body, a plurality of connecting holes 4-2 are formed in the rectangular flange ring 4, three wiring holes 5 which are arranged in a finished product shape are formed in the two end plates 1-1, the distances from the centers of the two wiring holes 5 to the top plate 1-3 are equal, and an explosion-proof joint 2 is connected in each wiring hole 5; the end plate 1-1 is also provided with a grounding blind hole 6 for grounding, and a grounding wire of the shell 1 is connected in the grounding blind hole 6 through a bolt; the base 3 is a rectangular plate, the size of the base 3 is matched with that of the rectangular flange ring 4, and a circular hole for connecting the base 3 is formed in the rectangular flange ring 4; a plurality of flange fixing holes 3-1 for connecting the shell are formed along the edge of the base 3, a plurality of base fixing holes 3-2 are further formed between the flange fixing holes 3-1, specifically, the number of the flange fixing holes 3-1 is ten, wherein four flange fixing holes 3-1 are respectively formed in four corners of the base 3, two flange fixing holes 3-1 are formed between two flange fixing holes 3-1 in the corners, and two flange fixing holes 3-1 are uniformly distributed on a connecting line parallel to the length direction of the base 3; a flange fixing hole 3-1 is arranged in the middle of a connecting line parallel to the width direction of the base 3 between two flange fixing holes 3-1 at the corner; a first mounting hole 10 for mounting the L-shaped bracket 8 and a power supply is formed in the middle of the base 3; wherein, the power supply adopts the power supply with the model of LRS-150-24 of Mingxi Enterprise, Inc. The L-shaped support 8 comprises a vertical plate 8-1 and a transverse plate 8-2 vertically connected to one end of the vertical plate 8-1, a plurality of second mounting holes 8-3 are formed in the transverse plate 8-2 and the vertical plate 8-1, the transverse plate 8-2 is mounted on the base 3 through the second mounting holes 8-3 formed in the transverse plate 8-2, and the second mounting holes 8-3 formed in the vertical plate 9-1 are used for fixing the circuit board 9.
In the present embodiment, the shell 1 and the base 3 are made of aluminum plates, wherein the thickness of the side plate 1-2 of the shell 1 is 4mm, the thickness of the end plate 1-1 of the shell 1 is 12mm, and the thickness of the top plate 1-3 of the shell 1 is 4 mm. The explosion-proof joint 2 is screwed on the wiring hole 5 through threads, and a silica gel gasket 7 is arranged between the nut part of the explosion-proof joint 2 and the end plate 1-1.
In this embodiment, the flange fixing hole 3-1 provided on the base 3 has a six-sided groove for accommodating a bolt head on the outer side surface of the bottom plate 3, and this design enables the outer side surface of the bottom plate 3 to be kept flat, thereby ensuring the stability and strength of the installation of the bottom plate 3.
In this embodiment, the base 3 is further provided with four base fixing holes 3-2, the base fixing holes 3-2 are used for fixing the base 3 to equipment or a wall, the base fixing holes 3-2 are arranged on a connecting line of the flange fixing holes 3-1 in the length direction of the base 3 and are respectively located on a central line between the flange fixing hole 3-1 located at a corner and the flange fixing hole 3-1 adjacent to the corner, and the base fixing holes 3-2 are through holes.
In the embodiment, a sealing groove 4-1 similar to the rectangular flange ring 4 is arranged at the connecting hole 4-2 of the rectangular flange ring 4, the depth of the sealing groove 4-1 is 1mm, and a silica gel gasket with the thickness of 2mm and the same shape as the sealing groove 4-1 is used in the internal assembly of the sealing groove 4-1.
The assembly mode is as follows: inserting bolts for connecting the shell into the flange fixing holes, and fixing the base on equipment or a wall; then, a power supply is arranged on the bottom plate, the circuit board is arranged on the bottom plate through an L-shaped bracket, the circuit is connected, an input circuit and an output circuit are led out of the shell through an explosion-proof joint, and the shell is fixedly arranged on the base 3; then, the nut portion of the explosion-proof joint is rotated to tighten the explosion-proof joint, thereby completing the assembly.
The foregoing detailed description has provided for the present application and the principles and embodiments of the present application can be illustrated by specific examples, which are provided only for the purpose of facilitating understanding of the method and the core concept of the present application, and persons skilled in the art may change the embodiments and application scope according to the concept of the present application.
Claims (6)
1. The utility model provides a fire control is with miniature explosion-proof junction box shell, includes casing and base, its characterized in that: the shell is a box body with an opening on one surface, and comprises a top plate, two-surface end plates vertically connected to two ends of the top plate and two-surface side plates vertically connected to two sides of the top plate, wherein the end plates and the side plates are connected end to end; a rectangular flange ring is arranged at the opening of the box body, connecting holes are formed in the flange ring, three wiring holes which are distributed in a shape like a Chinese character 'ji' are formed in the two end plates, and an explosion-proof connector is connected in each wiring hole; the end plate is also provided with a grounding blind hole for grounding; the base is a rectangular plate, the size of the base is matched with that of the rectangular flange ring, a plurality of flange fixing holes for connecting the shell are formed along the edge of the base, and a plurality of base fixing holes are formed among the flange fixing holes; a first mounting hole for mounting the L-shaped bracket and the power supply is formed in the middle of the base; the L-shaped support comprises a vertical plate and a transverse plate vertically connected to one end of the vertical plate, second mounting holes are formed in the transverse plate and the vertical plate, the transverse plate is mounted on the base through the second mounting holes, and the second mounting holes in the vertical plate are used for fixing the circuit board.
2. A fire-fighting miniature explosion-proof junction box housing as defined in claim 1, wherein: the thickness of the side plate is 4mm, and the thickness of the end plate is 12 mm.
3. A fire-fighting miniature explosion-proof junction box housing as defined in claim 1, wherein: the explosion-proof joint is screwed on the wiring hole through threads, and a silica gel gasket is arranged between the nut part of the explosion-proof joint and the end plate.
4. A fire-fighting miniature explosion-proof junction box housing as defined in claim 1, wherein: the flange fixing hole that sets up on the base sets up the six face grooves that are used for holding the bolt head on the bottom plate lateral surface.
5. A fire-fighting miniature explosion-proof junction box housing as defined in claim 1, wherein: the base fixed orifices have four, and the base fixed orifices is the through-hole.
6. A fire-fighting miniature explosion-proof junction box housing as defined in claim 1, wherein: and a sealing groove similar to the flange ring is arranged at the connecting hole of the flange ring, and the depth of the sealing groove is 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022194292.0U CN213125477U (en) | 2020-09-30 | 2020-09-30 | Fire control is with miniature explosion-proof junction box shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022194292.0U CN213125477U (en) | 2020-09-30 | 2020-09-30 | Fire control is with miniature explosion-proof junction box shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213125477U true CN213125477U (en) | 2021-05-04 |
Family
ID=75666272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022194292.0U Active CN213125477U (en) | 2020-09-30 | 2020-09-30 | Fire control is with miniature explosion-proof junction box shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213125477U (en) |
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2020
- 2020-09-30 CN CN202022194292.0U patent/CN213125477U/en active Active
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