CN217762233U - Small-caliber cladding type rupture disk and discharge device applying same - Google Patents
Small-caliber cladding type rupture disk and discharge device applying same Download PDFInfo
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- CN217762233U CN217762233U CN202222028944.2U CN202222028944U CN217762233U CN 217762233 U CN217762233 U CN 217762233U CN 202222028944 U CN202222028944 U CN 202222028944U CN 217762233 U CN217762233 U CN 217762233U
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Abstract
The utility model relates to a small-bore cladding type rupture disk and use its discharge apparatus, wherein small-bore cladding type rupture disk includes rupture disk body and grip ring, and its technical essential is: the rupture disk body is positive arch rupture disk, positive arch rupture disk is by positive hunch portion, locate the annular clamping face of positive hunch portion periphery, the annular cylinder who is connected with annular clamping face periphery constitutes, the external diameter of grip ring equals with the internal diameter of annular cylinder, the internal diameter of grip ring equals with the diameter of positive hunch portion, the grip ring lies in on the horizontal direction between positive hunch portion and the annular cylinder and grip ring bottom surface and annular clamping face in close contact with, the periphery wall of grip ring is wrapped up to the annular cylinder, the up end of annular cylinder and the summit of positive hunch portion all are less than the grip ring upper surface. The utility model discloses satisfy the fire control gas cylinder operating mode to the bore of releasing little, the high requirement of pressure of releasing, simultaneously, the equipment is convenient, and the leakproofness is good.
Description
Technical Field
The utility model relates to a rupture disk technical field, concretely relates to small-bore cladding type rupture disk and use its discharge apparatus is applicable to and installs at fire control gas cylinder bottleneck.
Background
The main fire extinguishing systems for industrial use today are: high pressure and low pressure CO 2 Mixed gas, heptafluoropropane and the like. In order to ensure the fire extinguishing effect, the fire-fighting gas cylinder generally works under a high-pressure state, and the gas cylinder is designed as a pressing-force container, so that an overpressure relief device is required to be installed from the safety point of view.
At present, since the heptafluoropropane fire extinguishing agent has extremely high thermal stability and chemical stability, and does not chemically react with common materials such as water, the heptafluoropropane can be properly treated and stored to have an unlimited shelf life, and thus, the heptafluoropropane fire extinguishing agent is widely applied to fire extinguishing devices. The application is provided for solving the problem how the rupture disk is applied to a small-caliber fire-fighting gas cylinder to ensure that the rupture disk can safely store heptafluoropropane for a long time.
Disclosure of Invention
The utility model aims at providing a rational in infrastructure, use reliable minor-caliber cladding type rupture disk and use its discharge apparatus, satisfy the fire control gas cylinder operating mode to the requirement that the bore of releasing is little, the pressure of releasing is high, simultaneously, the equipment is convenient, and the leakproofness is good.
The technical scheme of the utility model is that:
the utility model provides a small-bore cladding type rupture disk, includes rupture disk body and grip ring, its technical essential is: the rupture disk body is positive arch type rupture disk, positive arch type rupture disk comprises positive hunch portion, locate the annular clamping face of positive hunch portion periphery, the toroidal cylinder of being connected with annular clamping face periphery, the external diameter of grip ring equals with the internal diameter of toroidal cylinder, and the internal diameter of grip ring equals with the diameter of positive hunch portion, and the grip ring lies in on the horizontal direction between positive hunch portion and the toroidal cylinder and grip ring bottom surface and annular clamping face in close contact with, the periphery wall of toroidal cylinder parcel grip ring, the up end of toroidal cylinder and the summit of positive hunch portion all are less than the grip ring upper surface.
In the small-caliber cladding type rupture disk, the bottom surface and the peripheral wall of the clamping ring are both provided with the water lines to enhance the sealing property.
The utility model provides an use bleeder device of small-bore cladding type rupture disk, includes the positioning seat, and its technical essential is: the positioning seat is composed of an upper wide-diameter positioning barrel and a lower concentric narrow-diameter fixing part connected to the bottom of the upper wide-diameter positioning barrel, a backing ring is arranged on the inner bottom surface of the upper wide-diameter positioning barrel, a small-diameter coated type blasting sheet is arranged above the backing ring, a positioning cap is in threaded connection with an upper port of the upper wide-diameter positioning barrel, the bottom surface of the positioning cap is pressed against a clamping ring of the small-diameter coated type blasting sheet, and the positioning cap, the positioning seat, the backing ring and the small-diameter coated type blasting sheet are arranged concentrically.
In the discharge device using the small-caliber cladding type rupture disk, the lower concentric narrow-diameter fixing part and the positioning cap are correspondingly provided with the vent holes with the same diameter, and the inner diameter of the backing ring is equal to that of the clamping ring and is larger than that of the vent holes.
In the above discharge device using the small-caliber cladding type rupture disk, the outer peripheral wall of the lower concentric narrow-diameter fixing part is provided with the external thread matched with an installation occasion.
Foretell bleeder device who uses small-bore cladding type rupture disk, locating cap periphery wall lower part is equipped with the external screw thread, and the anticreep prism structure is established to periphery wall upper portion to conveniently revolve to twist.
In the discharge device using the small-caliber cladding type rupture disk, the upper part of the inner peripheral wall of the upper wide-caliber positioning cylinder is provided with the internal thread, and the lower part of the inner peripheral wall is in close contact with the backing ring and the periphery of the small-caliber cladding type rupture disk.
The utility model has the advantages that:
1. the positive arch type rupture disk that small-bore cladding type rupture disk adopted satisfies the fire control gas cylinder operating mode and to releasing the bore little, the high requirement of discharge pressure, simultaneously, the rupture disk body has increased the technical characterstic of ring post, utilizes the fixed grip ring of ring post parcel, and the equipment back, rupture disk body can not become flexible with the grip ring and drop, the transportation of being convenient for to and conveniently assemble into discharge apparatus at scene and other parts, the leakproofness is good.
2. The discharge device adopting the small-caliber cladding type rupture disk is convenient to assemble, good in sealing performance and high in assembling efficiency.
Drawings
Fig. 1 is a schematic structural view of a small-caliber cladding-type rupture disk of the present invention;
FIG. 2 is a schematic view of a clamp ring;
fig. 3 is a schematic structural view of the relief device of the present invention.
In the figure: 1. the device comprises a positive arch type rupture disk, 101, a positive arch part, 102, an annular clamping surface, 103, an annular cylindrical surface, 2, a clamping ring, 201, a water line, 3, a positioning cap, 4, an upper wide-diameter positioning cylinder, 5, a backing ring and 6, and a lower concentric narrow-diameter fixing part.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the small-caliber cladding-type rupture disk includes a rupture disk body and a retainer ring 2.
The rupture disk body is a positive arch type rupture disk 1, and the positive arch type rupture disk 1 is composed of a positive arch part 101, an annular clamping surface 102 arranged on the periphery of the positive arch part 101, and an annular cylindrical surface 103 connected with the periphery of the annular clamping surface 102. The outer diameter of the clamping ring 2 is equal to the inner diameter of the annular cylindrical surface 103, the inner diameter of the clamping ring 2 is equal to the diameter of the positive arch part 101, the clamping ring 2 is located between the positive arch part 101 and the annular cylindrical surface 103 in the horizontal direction, the bottom surface of the clamping ring 2 is in close contact with the annular clamping surface 102, the outer peripheral wall of the clamping ring 2 is wrapped by the annular cylindrical surface 103, the positive arch part 101 protrudes towards the inner side of the clamping ring 2, and the upper end surface of the annular cylindrical surface 103 and the vertex of the positive arch part 101 are lower than the upper surface of the clamping ring 2.
In this embodiment, the bottom surface and the outer peripheral wall of the clamping ring 2 are both provided with water lines 201 to enhance the sealing performance. The water line 201 of the clamping ring 2 enables the rupture disk body and the clamping ring 2 to be better coated, so that the phenomena of looseness and falling off of the clamping ring and the rupture disk body are not easy to occur in packaging and transportation.
As shown in fig. 3, the relief device using the small-caliber cladding-type rupture disk includes a positioning seat, and the positioning seat is composed of an upper wide-caliber positioning cylinder 4 and a lower concentric narrow-caliber fixing portion 6 connected to the bottom of the upper wide-caliber positioning cylinder 4. The bottom surface of the upper wide-diameter positioning barrel 4 is provided with a backing ring 5, a small-diameter coated type rupture disk is arranged above the backing ring 5, the upper end opening of the upper wide-diameter positioning barrel 4 is in threaded connection with a positioning cap 3, and the bottom surface of the positioning cap 3 is pressed on the clamping ring 2 of the small-diameter coated type rupture disk. The positioning cap 3, the positioning seat, the backing ring 5 and the small-caliber cladding type rupture disk are concentrically arranged.
In this embodiment, the lower concentric narrow-diameter fixing portion 6 and the positioning cap 3 are correspondingly provided with vent holes with the same diameter, and the inner diameter of the backing ring 5 is equal to the inner diameter of the clamping ring 2 and is larger than the diameter of the vent holes. And the outer peripheral wall of the lower concentric narrow-diameter fixing part 6 is provided with an external thread matched with an installation occasion. The lower part of the outer peripheral wall of the positioning cap 3 is provided with an external thread, and the upper part of the outer peripheral wall is designed into an anti-falling prism structure so as to facilitate screwing. The upper part of the inner peripheral wall of the upper wide-diameter positioning cylinder 4 is provided with internal threads, and the lower part of the inner peripheral wall is in close contact with the backing ring 5 and the periphery of the small-diameter coated rupture disk.
In this embodiment, the material of the positive arch rupture disk 1 is stainless steel, and the material of the clamping ring 2 and the material of the backing ring 5 are brass.
The assembling process comprises the following steps:
the clamping ring 2 is screwed into the rupture disk body, the annular cylindrical surface 103 wraps the clamping ring 2 to form a small-caliber wrapping type rupture disk, and the rupture disk body is not allowed to loosen or fall off after assembly. Firstly placing a backing ring 5 on the bottom surface of an upper wide-diameter positioning cylinder 4, then placing a small-diameter coated type rupture disk above the backing ring 5, then screwing a positioning cap 3 on a positioning seat, pressing the bottom surface of the positioning cap 3 on the upper surface of a clamping ring 2 of the small-diameter coated type rupture disk to realize positioning, and finally screwing a discharge device on a fire-fighting gas cylinder.
When the pressure in the fire-fighting gas cylinder reaches the bursting pressure, the pressure acts on the concave side of the positive arch part 101 of the positive arch type rupture disk 1 and enables the positive arch part to be stretched and thinned to be broken and the pressure is released, so that the protection effect is achieved.
The above detailed description of the embodiments of the present invention is only for the purpose of describing the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (7)
1. The utility model provides a small-bore cladding type rupture disk, includes rupture disk body and grip ring, its characterized in that: the rupture disk body is positive arch type rupture disk, positive arch type rupture disk comprises positive hunch portion, locate the annular clamping face of positive hunch portion periphery, the toroidal cylinder of being connected with annular clamping face periphery, the external diameter of grip ring equals with the internal diameter of toroidal cylinder, and the internal diameter of grip ring equals with the diameter of positive hunch portion, and the grip ring lies in on the horizontal direction between positive hunch portion and the toroidal cylinder and grip ring bottom surface and annular clamping face in close contact with, the periphery wall of toroidal cylinder parcel grip ring, the up end of toroidal cylinder and the summit of positive hunch portion all are less than the grip ring upper surface.
2. The small-caliber cladding-type rupture disc of claim 1, wherein: the bottom surface and the periphery wall of grip ring all are equipped with the water mark line.
3. A relief device using the small-caliber cladding-type rupture disc as set forth in claim 1 or 2, wherein: including the positioning seat, its technical essential is: the positioning seat is composed of an upper wide-diameter positioning barrel and a lower concentric narrow-diameter fixing part connected to the bottom of the upper wide-diameter positioning barrel, a backing ring is arranged on the inner bottom surface of the upper wide-diameter positioning barrel, a small-diameter coated type blasting sheet is arranged above the backing ring, a positioning cap is in threaded connection with an upper port of the upper wide-diameter positioning barrel, the bottom surface of the positioning cap is pressed against a clamping ring of the small-diameter coated type blasting sheet, and the positioning cap, the positioning seat, the backing ring and the small-diameter coated type blasting sheet are arranged concentrically.
4. The relief device with the small-caliber cladding type rupture disk as claimed in claim 3, wherein: the concentric narrow-diameter fixing part of lower part and locating cap correspond and are equipped with the same air vent of diameter, the internal diameter of backing ring is equal with the internal diameter of grip ring, and is greater than the diameter of air vent.
5. The relief device with the small-caliber cladding type rupture disk as claimed in claim 3, wherein: and the outer peripheral wall of the lower concentric narrow-diameter fixing part is provided with an external thread matched with an installation occasion.
6. The vent apparatus using small-caliber clad rupture discs as claimed in claim 3, wherein: the locating cap periphery wall lower part is equipped with the external screw thread, and periphery wall upper portion is established to anticreep prismatic structure.
7. The vent apparatus using small-caliber clad rupture discs as claimed in claim 3, wherein: the upper part of the inner peripheral wall of the upper wide-diameter positioning cylinder is provided with internal threads, and the lower part of the inner peripheral wall is in close contact with the gasket ring and the periphery of the small-diameter coated rupture disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222028944.2U CN217762233U (en) | 2022-08-03 | 2022-08-03 | Small-caliber cladding type rupture disk and discharge device applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222028944.2U CN217762233U (en) | 2022-08-03 | 2022-08-03 | Small-caliber cladding type rupture disk and discharge device applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217762233U true CN217762233U (en) | 2022-11-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222028944.2U Active CN217762233U (en) | 2022-08-03 | 2022-08-03 | Small-caliber cladding type rupture disk and discharge device applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217762233U (en) |
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2022
- 2022-08-03 CN CN202222028944.2U patent/CN217762233U/en active Active
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