CN220134880U - High-pressure union with reliable sealing - Google Patents
High-pressure union with reliable sealing Download PDFInfo
- Publication number
- CN220134880U CN220134880U CN202321585268.7U CN202321585268U CN220134880U CN 220134880 U CN220134880 U CN 220134880U CN 202321585268 U CN202321585268 U CN 202321585268U CN 220134880 U CN220134880 U CN 220134880U
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- union
- nut
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- sealing
- female
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- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 238000009434 installation Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Joints With Pressure Members (AREA)
Abstract
The utility model discloses a high-pressure union with reliable sealing, which comprises a high-pressure union and a sealing assembly, wherein the high-pressure union comprises a nut, a female union head and a male union head which are connected with the upper end and the lower end of the nut, and the sealing assembly comprises a supporting edge arranged at the inner bottom of the nut and a first sealing ring which is arranged at the upper end of the inner supporting edge of the nut in a matching way. According to the high-pressure union with reliable sealing, the first sealing ring is pressed at the lower end of the male union head in the nut, the second sealing ring is pressed between the male union head and the female union head, and the outer sealing ring is pressed at the top of the nut to the outer end of the female union head, and after the high-pressure union is connected, a three-layer sealing structure is formed among the female union head, the male union head and the nut, so that the sealing reliability after the high-pressure union is connected is ensured, and meanwhile, the outer sealing ring at the upper end of the nut can also avoid the separation of the female union head in the nut, so that the connection tightness of the nut is ensured.
Description
Technical Field
The utility model relates to the technical field of high-pressure unions, in particular to a high-pressure union with reliable sealing.
Background
The high-pressure union, also called a union or pipe joint, is a pipe fitting for connecting two pipes, and can separate the two pipes without moving the pipes, thereby facilitating maintenance operation.
The prior high-pressure union, such as a combined high-pressure union disclosed in publication No. CN209638586U, has the advantages of simple structure, convenient assembly and disassembly and protection and monitoring functions, but the combined high-pressure union has no sealing component between the female union head and the male union head in the nut, so that the sealing performance of the high-pressure union is poor easily, and therefore, the high-pressure union with reliable sealing is provided.
Disclosure of Invention
The utility model mainly aims to provide a high-pressure union with reliable sealing, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a reliable high pressure union of seal, includes high pressure union and seal assembly, high pressure union includes the nut to and nut upper and lower end connection's female union head and public union head, seal assembly includes the supporting edge that the bottom set up in the nut, and the first sealing washer of nut inner supporting edge upper end matching installation, the notch has still been seted up to the top of public union head indent, and the notch is the ring structure, still movable fit installs the second sealing washer in the notch.
Preferably, the sealing assembly further comprises a pressing block which is welded and fixed at the lower end of the female union head in a protruding mode, the pressing block is also of a circular ring structure, and the pressing block is matched with the notch.
Preferably, the sealing assembly further comprises a mounting opening formed in the upper end of the nut in a concave manner, and a plurality of groups of threaded holes formed in the mounting opening in an arrangement manner.
Preferably, the sealing assembly further comprises an outer sealing ring which is installed in the installation opening in a matching mode, and a plurality of groups of screws of which the outer ends are installed in the threaded holes.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model provides a high pressure union that seal reliably, the first sealing washer that public union head lower extreme was compressed tightly in the nut, the second sealing washer that compresses tightly between public union head and the female union head, and the outer sealing ring that the nut top was compressed tightly to female union head outer end, can be after high pressure union connects, carry out three-layer seal structure to female union head, public union head and nut each other, thereby with the sealing reliability who ensures high pressure union after connecting, the outer sealing ring of nut upper end also can avoid the disconnection of female union head in the nut, thereby ensure its connection tightness.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a side cross-sectional view of the present utility model;
fig. 4 is an enlarged view of a of fig. 3 according to the present utility model.
Reference numerals:
100. high-pressure union; 101. a nut; 102. a female union head; 103. a male union head;
200. a seal assembly; 201. a support edge; 202. a first seal ring; 203. a notch; 204. a second seal ring; 205. briquetting; 206. a mounting port; 207. a threaded hole; 208. an outer seal ring; 209. and (5) a screw.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Embodiment one:
as shown in fig. 1-4, the embodiment provides a reliable sealing high-pressure union, which comprises a high-pressure union 100 and a sealing assembly 200, the high-pressure union 100 comprises a nut 101, a female union head 102 and a male union head 103 connected with the upper end and the lower end of the nut 101, the sealing assembly 200 comprises a supporting edge 201 arranged in the inner bottom of the nut 101, a first sealing ring 202 mounted in a matched manner on the upper end of the supporting edge 201 in the nut 101, a notch 203 is further formed in the top of the male union head 103 in a concave manner, the notch 203 is of a circular ring structure, a second sealing ring 204 is further mounted in the notch 203 in a movable manner in a matched manner, the sealing assembly 200 further comprises a pressing block 205 which is welded and fixed at the lower end of the female union head 102 in a convex manner, the pressing block 205 is of a circular ring structure, the pressing block 205 is matched with the notch 203, the sealing assembly 200 further comprises a plurality of mounting holes 206 formed in a concave manner on the upper end of the nut 101, a plurality of groups of threaded holes 207 formed in a matched manner in the mounting hole 206, and a plurality of groups of screws 209 mounted in the threaded holes 207 are formed in the outer ends of the mounting holes 208.
Specifically, the high-pressure union 100, also called a union or a pipe joint, is a pipe fitting for connecting two pipes, and is composed of a nut 101, a female union head 102 and a male union head 103, the two pipes can be separated without moving the pipes, so as to facilitate maintenance operation, a first sealing ring 202 tightly pressed by the lower end of the male union head 103 in the nut 101 in the high-pressure union 100, a second sealing ring 204 tightly pressed between the male union head 103 and the female union head 102, and an outer sealing ring 208 tightly pressed by the top of the nut 101 to the outer end of the female union head 102, and a three-layer sealing structure can be formed among the female union head 102, the male union head 103 and the nut 101 after the high-pressure union 100 is connected, so that the sealing reliability after the high-pressure union 100 is connected is ensured, and meanwhile, the outer sealing ring 208 at the upper end of the nut 101 can avoid the separation of the female union head 102 in the nut 101, so as to ensure the connection tightness.
The working principle and the using flow of the utility model are as follows:
during the installation of the high-pressure union 100, the female union head 102 is fixedly installed inside an external pipeline through threaded connection, an external sealing ring 208 is preset at the outer end of the female union head 102, after the external sealing ring 208 is preset, the first sealing ring 202 is placed at the upper end of a supporting edge 201 in the nut 101, the second sealing ring 204 is installed inside a notch 203 at the upper end of the male union head 103, the male union head 103 is integrally installed inside the nut 101 and tightly pressed with the first sealing ring 202 at the bottom, after the male union head 103 is assembled inside the nut 101, the whole nut 101 is in threaded connection with the female union head 102, so that the second sealing ring 204 is tightly pressed between the female union head 102 and the male union head 103, the first sealing ring 202 is tightly pressed between the male union head 103 and the nut 101, the preset at the upper end of the female union head 102 is moved to the inside an installation port 206 at the upper end of the nut 101, the male union head 103 is fixedly installed through a screw 209, the sealing and the fixation between the female union head 102 and the nut 101 are performed, and after the male union head 103 is assembled inside the nut 101, the internal union head is connected to the external pipeline, and the high-pressure union 100 is completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (4)
1. The utility model provides a reliable high pressure union of seal, includes high pressure union (100) and seal assembly (200), high pressure union (100) include nut (101) to and female union head (102) and public union head (103) that nut (101) upper and lower end is connected, a serial communication port, seal assembly (200) include support limit (201) that nut (101) inner bottom set up, and first sealing washer (202) of support limit (201) upper end matching installation in nut (101), notch (203) have still been seted up to the indent in the top of public union head (103), and notch (203) are the ring structure, still movable fit installs second sealing washer (204) in notch (203).
2. The high-pressure union with reliable sealing according to claim 1, wherein the sealing assembly (200) further comprises a pressing block (205) which is welded and fixed at the lower end of the female union head (102) in a protruding way, the pressing block (205) is also in a circular ring structure, and the pressing block (205) is matched with the notch (203).
3. The high-pressure union with reliable sealing according to claim 1, wherein the sealing assembly (200) further comprises a mounting port (206) formed in a concave manner at the upper end of the nut (101), and a plurality of groups of threaded holes (207) formed in the mounting port (206) in a aligned manner.
4. The high pressure union of claim 1, wherein said seal assembly (200) further comprises an outer seal ring (208) matingly mounted within said mounting port (206), and a plurality of sets of screws (209) mounted to said threaded bore (207) at the outer end of said outer seal ring (208).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321585268.7U CN220134880U (en) | 2023-06-20 | 2023-06-20 | High-pressure union with reliable sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321585268.7U CN220134880U (en) | 2023-06-20 | 2023-06-20 | High-pressure union with reliable sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134880U true CN220134880U (en) | 2023-12-05 |
Family
ID=88951072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321585268.7U Active CN220134880U (en) | 2023-06-20 | 2023-06-20 | High-pressure union with reliable sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134880U (en) |
-
2023
- 2023-06-20 CN CN202321585268.7U patent/CN220134880U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |