CN210687441U - Groove type pressure reducing pore plate - Google Patents
Groove type pressure reducing pore plate Download PDFInfo
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- CN210687441U CN210687441U CN201921545969.1U CN201921545969U CN210687441U CN 210687441 U CN210687441 U CN 210687441U CN 201921545969 U CN201921545969 U CN 201921545969U CN 210687441 U CN210687441 U CN 210687441U
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Abstract
The utility model discloses a groove type pressure reducing pore plate, which comprises a shell with a hollow structure, wherein one end of the shell is a thick-wall part, the other end of the shell is a thin-wall part, the thick-wall part extends towards the thin-wall part, the thin-wall part extends towards the thick-wall part, a leaning platform is formed at the joint of the thick-wall part and the thin-wall part, a plate body is leaned against the platform, and the plate body is fixed on the shell through a fixing structure; a water hole is formed in the plate body, a hole expansion is communicated with the water hole, the diameter of the hole expansion is larger than that of the water hole, and the hole expansion is arranged towards the thick-walled part; two first clamping grooves are formed in the outer wall of the shell. The groove type pressure reducing pore plate is an assembled integrated structure, and compared with the traditional structure, the groove type pressure reducing pore plate simplifies the whole structure and the installation process, thereby reducing the manufacturing difficulty and the manufacturing cost and effectively improving the installation efficiency; meanwhile, the groove type pressure reducing pore plate is attractive in appearance, high in structural strength and good in sealing reliability with pipelines.
Description
Technical Field
The utility model belongs to the technical field of the pipeline decompression, especially, relate to a slot type decompression orifice plate.
Background
The pressure reducing structure on the pipeline is used for reducing the dynamic pressure (without static pressure) of the liquid, and when flowing water passes through the pressure reducing structure, a water head pressure drop is generated at the pressure reducing structure due to local resistance loss. At present, high-rise buildings are different in hydrostatic pressure born by high-rise and low-rise due to the fact that the number of layers is large, when water flows out, the water flow pressure of the low-rise is much larger than that of the high-rise, when a fire disaster is suppressed, a low-rise fire hose is often burst, a pressure reducing structure has a pressure reducing function on the power of water flow, when flowing water passes through the pressure reducing structure, pressure drop is generated at the pressure reducing structure due to local resistance loss, and therefore the requirements of outlet pressure and flow of fire hydrants are met.
At this stage, the commonly used pressure reduction structure is: the end parts of adjacent pipelines are welded with flanges, the two flanges are connected together through connecting bolts, a disk body is clamped between the two flanges, a hole is formed in the disk body, and the diameter of the hole is smaller than the inner diameter of the pipeline. The pressure reducing structure adopting the structure has the following defects:
1. the installation process is complex, and the installation efficiency is greatly reduced;
2. the structure is complex, the manufacturing difficulty is high, and the manufacturing cost is high;
3. the sealing reliability is poor, and the leakage is easy.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a slot type decompression orifice plate to reach the overall structure who simplifies the installation and decompress, and then reduce the preparation degree of difficulty, cost of manufacture and improve the installation effectiveness, improve the purpose of sealing reliability simultaneously.
The utility model provides a technical scheme is: a groove type pressure reducing pore plate comprises a shell with a hollow structure, wherein one end of the shell is a thick-walled part, the other end of the shell is a thin-walled part, the thick-walled part extends towards the direction of the thin-walled part, the thin-walled part extends towards the direction of the thick-walled part, a propping platform is formed at the joint of the thick-walled part and the thin-walled part, a plate body props against the propping platform, and the plate body is fixed on the shell through a fixing structure;
a water hole is formed in the plate body, a hole expansion is communicated with the water hole, the diameter of the hole expansion is larger than that of the water hole, and the hole expansion is arranged towards the thick-walled part;
two first clamping grooves are formed in the outer wall of the shell.
As an improvement, the fixing structure comprises a second clamping groove arranged on the inner wall of the thin-wall part, and the distance between the second clamping groove and the abutting platform is greater than or equal to the thickness of the plate body;
and a clamp spring is arranged in the second clamping groove.
As a further improvement, the abutting platform and the second clamping groove are arranged in a staggered mode with the first clamping groove.
As a still further improvement, the abutting platform and the second card slot are arranged between the two first card slots.
As an improvement, the fixed knot constructs including offer lean on the platform, and extend to support to lean on a plurality of screw holes on the thick walled portion, every all threaded mounting has the bolt that passes on the screw hole the plate body.
As a further improvement, the abutting platform and the first clamping groove are arranged in a staggered mode.
As a still further improvement, the abutting platform is arranged between the two first clamping grooves.
As a still further improvement, a center line in the thickness direction of the plate body is provided in line with a center line in the length direction of the housing.
As a still further improvement, the longitudinal cross-sectional shapes of the housing and the plate body are both circular.
Adopted the aforesaid technical scheme, the utility model provides a slot type decompression orifice plate's beneficial effect as follows:
because the groove type pressure reducing pore plate comprises a shell with a hollow structure, one end of the shell is a thick wall part, the other end of the shell is a thin wall part, the thick wall part extends towards the thin wall part, the thin wall part extends towards the thick wall part, a propping platform is formed at the joint of the thick wall part and the thin wall part, a plate body is propped against the propping platform, and the plate body is fixed on the shell through a fixing structure; a water hole is formed in the plate body, a hole expansion is communicated with the water hole, the diameter of the hole expansion is larger than that of the water hole, and the hole expansion is arranged towards the thick-walled part; based on the structure, the groove type pressure reducing pore plate is fixed on the shell through a fixing structure in actual use, then the groove type pressure reducing pore plate is connected to two adjacent pipelines through the matching of the hoop and the first clamping groove, flowing water is blocked through the plate, the flowing water flows through the water holes, the water flow is decompressed through reaming, and the flowing water passing through the water holes is prevented from having high impact force; this structure is provided toward the thick-walled portion by reaming to ensure reliability in use and life (because the thick-walled portion is cast, it has good structural strength; if it is toward the thin-walled portion, the fixing structure for fixing the plate body is subjected to a large impact force, is poor in reliability in use, and requires frequent maintenance).
In conclusion, the groove type pressure reducing pore plate is an assembled integrated structure, and compared with the traditional structure, the groove type pressure reducing pore plate simplifies the whole structure and the installation process, further reduces the manufacturing difficulty and the manufacturing cost, and effectively improves the installation efficiency; meanwhile, the groove type pressure reducing pore plate is attractive in appearance, high in structural strength and good in sealing reliability with pipelines.
The fixing structure comprises a second clamping groove arranged on the inner wall of the thin-wall part, and the distance between the second clamping groove and the abutting platform is greater than or equal to the thickness of the plate body; be equipped with the jump ring in the second draw-in groove to the cooperation through second draw-in groove and jump ring is fixed in the plate body and is leaned on the platform, simple structure, and convenient assembling, quick.
Owing to lean on the platform and the second draw-in groove all staggers the setting each other with first draw-in groove to can effectively avoid leaning on platform and second draw-in groove and first draw-in groove to set up in same vertical plane through this structure, and influence shell structure intensity's problem.
Because support and lean on platform and second draw-in groove to set up between two first draw-in grooves to effectively realized supporting the setting of staggering of supporting platform and second draw-in groove and first draw-in groove.
Because fixed knot constructs including offering to lean on the platform and extend to a plurality of screw holes on the thick walled portion, equal threaded mounting has the bolt that passes the plate body on every screw hole to cooperation through bolt and screw hole is fixed in the plate body and is leaned on the platform, simple structure, and fixed reliability is high.
Owing to lean on the platform to stagger the setting each other with first draw-in groove to can effectively avoid leaning on the platform and set up in same vertical plane with first draw-in groove through this structure, and influence shell structure intensity's problem.
Because support and lean on the platform to set up between two first draw-in grooves to effectively realized supporting the platform and the setting of staggering of first draw-in groove.
Because the central line on the plate body thickness direction sets up with casing length direction's central line collineation to can effectively increase the length of thick walled portion through this structure, structural strength has obtained further improvement.
Because the longitudinal section shapes of the shell and the plate body are circular, the shell and the plate body with circular structures are convenient to assemble, and meanwhile, the shell with circular structures is convenient to be connected with a pipeline in an assembling mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention;
in the drawings, 1-housing; 101-thick-walled portion; 102-a thin wall portion; 103-against the platform; 104-a first card slot; 105-a second card slot; 106-a threaded hole; 2-a plate body; 201-water hole; 202-reaming; 3-a clamp spring; 4-bolt.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, a groove-type pressure-reducing orifice plate includes a housing 1 having a hollow structure and a circular longitudinal cross-sectional shape, one end of the housing 1 is a thick portion 101, the other end of the housing 1 is a thin portion 102, the thick portion 101 extends toward the thin portion 102, the thin portion 102 extends toward the thick portion 101, a contact platform 103 is formed at a joint of the thick portion 101 and the thin portion 102, a disc-shaped plate body 2 is contacted with the contact platform 103, and the plate body 2 is made of a stainless steel material and fixed to the housing 1 by a fixing structure; a water hole 201 is arranged on the plate body 2, a hole expansion 202 is communicated with the water hole 201, the diameter of the hole expansion 202 is larger than that of the water hole 201, and the hole expansion 202 is arranged towards the thick-walled part 101; two first clamping grooves 104 (one is arranged on the thick-wall part 101, and the other is arranged on the thin-wall part 102) are arranged on the outer wall of the shell 1 so as to be connected with a pipeline through a clamp.
The first embodiment of the fixing structure: the second clamping groove 105 is arranged on the inner wall of the thin-wall part 102, and the distance between the second clamping groove 105 and the abutting platform 103 is larger than or equal to the thickness of the plate body 2; a clamp spring 3 is arranged in the second clamping groove 105.
In this embodiment, the abutting platform 103 and the second card slot 105 are arranged in a staggered manner with respect to the first card slot 104; preferably, the abutting platform 103 and the second card slot 105 are disposed between the two first card slots 104.
Embodiment two of the fixing structure: the plate body 2 is provided with a plurality of threaded holes 106 which are opened on the abutting platform 103 and extend to the thick-walled part 101, each threaded hole 106 is provided with a bolt 4 (see fig. 2) which penetrates through the plate body 2 in a threaded mode, and in the embodiment, the thickness of the thick-walled part 101 is larger than that of the thick-walled part 101 in the first embodiment, so that the bolt 4 can be assembled smoothly.
In the present embodiment, the abutting platform 103 and the first card slot 104 are disposed in a staggered manner, and preferably, the abutting platform 103 is disposed between the two first card slots 104.
In this embodiment, the center line of the plate 2 in the thickness direction and the center line of the housing 1 in the length direction are arranged in a collinear manner.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. A groove type pressure reducing pore plate is characterized by comprising a shell with a hollow structure, wherein one end of the shell is a thick-wall part, the other end of the shell is a thin-wall part, the thick-wall part extends towards the thin-wall part, the thin-wall part extends towards the thick-wall part, a propping platform is formed at the joint of the thick-wall part and the thin-wall part, a plate body leans against the propping platform, and the plate body is fixed on the shell through a fixing structure;
a water hole is formed in the plate body, a hole expansion is communicated with the water hole, the diameter of the hole expansion is larger than that of the water hole, and the hole expansion is arranged towards the thick-walled part;
two first clamping grooves are formed in the outer wall of the shell.
2. The fluted pressure relief orifice plate of claim 1, wherein the securing structure comprises a second detent disposed on the inner wall of the thin wall portion, the distance between the second detent and the abutment platform being greater than or equal to the thickness of the plate body;
and a clamp spring is arranged in the second clamping groove.
3. The fluted pressure relief orifice plate of claim 2, wherein the abutment lands and the second detents are offset from the first detents.
4. The fluted pressure relief orifice plate of claim 3, wherein the abutment land and the second detent groove are disposed between the first detent grooves.
5. The fluted pressure relief orifice plate of claim 1, wherein the securing structure includes a plurality of threaded holes opening into the abutment platform and extending to the thick walled portion, each threaded hole having a bolt threaded therethrough.
6. The fluted pressure relief orifice plate of claim 5, wherein the abutment lands and the first detents are offset from one another.
7. The fluted pressure relief orifice plate of claim 6, wherein the abutment lands are disposed between the first plurality of detents.
8. The fluted pressure relief orifice plate of any one of claims 1 to 7, wherein a centerline of the plate body in the thickness direction is collinear with a centerline of the shell in the length direction.
9. The fluted pressure relief orifice plate of claim 8, wherein the longitudinal cross-sectional shapes of the shell and the plate body are both circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545969.1U CN210687441U (en) | 2019-09-17 | 2019-09-17 | Groove type pressure reducing pore plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545969.1U CN210687441U (en) | 2019-09-17 | 2019-09-17 | Groove type pressure reducing pore plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210687441U true CN210687441U (en) | 2020-06-05 |
Family
ID=70886697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921545969.1U Active CN210687441U (en) | 2019-09-17 | 2019-09-17 | Groove type pressure reducing pore plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210687441U (en) |
-
2019
- 2019-09-17 CN CN201921545969.1U patent/CN210687441U/en active Active
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