CN211778959U - Through thread facet sealing structure - Google Patents
Through thread facet sealing structure Download PDFInfo
- Publication number
- CN211778959U CN211778959U CN201921896010.2U CN201921896010U CN211778959U CN 211778959 U CN211778959 U CN 211778959U CN 201921896010 U CN201921896010 U CN 201921896010U CN 211778959 U CN211778959 U CN 211778959U
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- sealing
- thread
- sealed part
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Abstract
The utility model belongs to mechanical structure designs the field. A through thread small plane sealing structure is characterized by comprising a pipe joint (1), a sealing ring (9), a plug (5), a compression screw (6), a limiting plate (10), a sealing gasket (4), a front sealing ring (2), a base plate (7), a sealed part (8), a clamp body (3) and a long square head screw (11), wherein the front sealing ring (2) is installed in a sealing groove of the pipe joint (1), the pipe joint (1) is provided with an internal thread of the clamp body (3), the sealing ring (9) is installed in a groove of the sealed part (8), and the limiting plate (10) is installed in the clamp body (3), so that the groove of the sealed part (8) and an air inlet groove of the clamp body (3) are in the same horizontal position; the sealed part (8) is arranged in an inner hole of the clamp body (3), the sealing gasket (4) is arranged in a sealing groove of the plug (5), and the plug (5) is arranged on an internal thread of the sealed part (8).
Description
Technical Field
The utility model belongs to the technical field of the pump leakproofness is experimental, especially, relate to a seal structure.
Background
In order to ensure the sealing performance and strength requirements of products, the sealing performance test is often required for the products in a part state, in the past test, as shown in fig. 4, a sealing gasket is directly installed on a plug end face, the sealing is not limited because the plane of a threaded hole of the part is too small (single side is 0.5mm), the sealing gasket moves outwards in the plug screwing process, so that the sealing is not tight, and the sealing gasket is often scratched to cause air leakage and cannot judge the potential safety hazard of whether the part leaks air.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the sealing structure has the advantages that the through thread facet is sealed, the sealing gasket does not move radially when the plug is screwed down, the mounting is convenient, the sealing gasket is not cut broken, and the disassembly is easy.
The technical scheme of the utility model is that: a through thread small plane sealing structure comprises a pipe joint 1, a sealing ring 9, a plug 5, a compression screw 6, a limiting plate 10, a sealing gasket 4, a front sealing ring 2, a backing plate 7, a sealed part 8, a clamp body 3 and a rectangular head screw 11, wherein the front sealing ring 2 is arranged in a sealing groove of the pipe joint 1, the pipe joint 1 is arranged at the position of an internal thread of the clamp body 3, the sealing ring 9 is arranged in a groove of the sealed part 8, the limiting plate 10 is arranged in the clamp body 3, and the limiting plate 10 is arranged below the sealed part 8, so that the groove of the sealed part 8 and an air inlet groove of the clamp body 3 are in the; the sealed part 8 is installed in the hole of the anchor clamps body 3, the sealed pad 4 is installed in the plug 5 seal groove, the plug 5 is installed on the internal thread of the sealed part 8, the external thread of the compression screw 6 is connected with the internal thread of the backing plate 7, the sealed part 8 is axially compressed, the limitation is axially moved by the sealed part 8, the backing plate 7 and the anchor clamps body 3 are connected together by the rectangular head screw 11, and the connecting groove of the anchor clamps body 3 is connected with the gas test bench.
The sealing ring 9 is installed between the inner hole of the clamp body 3 and the sealing groove of the sealed part 8. The lower end face of the plug 5 is provided with a sealing groove. The plug 5 is made of aluminum alloy material, so that the threads of the sealed part are prevented from being damaged by screwing. During installation, the inner hole of the clamp body 3 is in clearance fit with the inner cavity of the sealed part 8, the sealing gasket 4 is installed in the end face groove of the sealing gasket 5, the sealing gasket 5 is screwed in the threaded hole of the sealed part 8, the sealing gasket 4 is tightly attached to the end face of the small plane of the threaded hole of the sealed part 8, the end face sealing groove at the lower end face of the sealing gasket 5 limits the radial movement of the sealing gasket 4, and the sealing amount is generated between the small end face of the sealed part 8 and the sealing gasket 4, so that the sealing effect is realized.
The gasket 4 is an O-pad. The material of the sealing gasket 4 is oil-resistant rubber. The material of the sealing gasket 4 is oil-resistant rubber. The sealing ring 9 is an O-ring. The inner hole of the clamp body 3 is in clearance fit with the inner cavity of the sealed part 8H 8/f 9.
The utility model has the advantages that when seal structure twisted the plug through the assurance, plug end face slot restriction was sealed fill up, and did not take place to remove for when progressively screwing up the plug, compress tightly sealed the pad, the sealed area of contact who fills up of increase makes by seal part and sealed the pad between produce sealed volume, thereby realizes sealed effect.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is a schematic view showing a modified gasket.
Fig. 4 is a schematic view showing a deformation of the gasket before the improvement.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1, the sealing structure of the present invention comprises a pipe joint 1, a sealing ring 9 (in this embodiment, a rubber ring is used), a plug 5, a compression screw 6, a limiting plate 10, a sealing gasket 4, a front sealing ring 2, a backing plate 7, a sealed part 8, a clamp body 3 and a long head screw 11, wherein the front sealing ring 2 is installed in a sealing groove of the pipe joint 1, the pipe joint 1 is installed at an internal thread of the clamp body 3, a sealing groove is formed on the lower end surface of the plug 5, the material is an aluminum alloy material, the screw thread of the sealed part is prevented from being twisted, the limiting plate 10 is a limiting disc with a certain thickness, the groove of the sealed part 8 and the air inlet groove of the clamp body 3 are ensured to be at the same horizontal position, the external thread of the compression screw 6 is connected with the internal thread of the backing plate 7, the sealed part 8 is axially compressed, the axial movement of the sealed part 8 is limited, the connecting groove of the fixture body 3 is connected with the gas test bench, and the sealing ring 9 is arranged between the inner hole of the fixture body 3 and the sealing groove of the sealed part 8.
During installation, the inner hole of the clamp body 3 is in clearance fit with the inner cavity of the sealed part 8, the lower end face of the plug 5 is provided with a sealing groove, the sealing gasket 4 is installed in the end face groove of the plug 5, the plug 5 is screwed in the threaded hole of the sealed part 8, the sealing gasket 4 is tightly attached to the facet end face of the threaded hole of the sealed part 8, the radial movement of the sealing gasket 4 is limited by the sealing groove of the lower end face of the plug 5, and the sealing amount is generated between the facet end face of the sealed part 8 and the sealing gasket 4, so that the sealing effect is realized. As shown in fig. 3.
Claims (10)
1. The through thread small plane sealing structure is characterized by comprising a pipe joint (1), a sealing ring (9), a plug (5), a compression screw (6), a limiting plate (10), a sealing gasket (4), a front sealing ring (2), a base plate (7), a sealed part (8), a clamp body (3) and a long square head screw (11), wherein the front sealing ring (2) is installed in a sealing groove of the pipe joint (1), the pipe joint (1) is provided with an internal thread of the clamp body (3), the sealing ring (9) is installed in a groove of the sealed part (8), the limiting plate (10) is installed in the clamp body (3), and the limiting plate (10) is installed below the sealed part (8) so that the groove of the sealed part (8) and an air inlet groove of the clamp body (3) are in the same horizontal position; the inner hole of the clamp body (3) is installed by a sealing part (8), the sealing gasket (4) is installed in a sealing groove of the plug (5), the plug (5) is installed on the inner thread of the sealed part (8), the outer thread of the compression screw (6) is connected with the inner thread of the backing plate (7), the sealed part (8) is compressed axially, the axial movement of the sealed part (8) is limited, the backing plate (7) and the clamp body (3) are connected together by a rectangular head screw (11), and a connecting groove of the clamp body (3) is connected with the gas test table.
2. The through-thread facet seal structure according to claim 1, characterized in that a seal ring (9) is mounted between the seal groove of the part (8) to be sealed and the inner bore of the clamp body (3).
3. The through-thread facet seal structure according to claim 1, characterized in that the lower end face of the plug (5) is provided with a seal groove.
4. The thread-passing facet sealing structure according to claim 1, characterized in that the material of the plug (5) is an aluminum alloy material, which prevents the threads of the sealed part (8) from being twisted.
5. The through thread facet sealing structure according to claim 1, characterized in that, during installation, the inner hole of the fixture body (3) is in clearance fit with the inner cavity of the sealed part (8), the sealing gasket (4) is installed in the end face groove of the plug (5), the plug (5) is screwed in the threaded hole of the sealed part (8), so that the sealing gasket (4) is tightly attached to the facet end face of the threaded hole of the sealed part (8), the lower end face sealing groove of the plug (5) limits the radial movement of the sealing gasket (4), and the sealing amount is generated between the facet end face of the sealed part (8) and the sealing gasket (4), thereby realizing the sealing effect.
6. A through-thread facet seal according to claim 5, characterised in that the sealing gasket (4) is an O-gasket.
7. Through thread facet seal structure according to claim 5, characterised in that the material of the sealing gasket (4) is oil resistant rubber.
8. Through thread facet seal structure according to claim 6, characterised in that the material of the sealing gasket (4) is oil resistant rubber.
9. A through-thread facet seal arrangement according to claim 1, characterised in that the sealing ring (9) is an O-ring.
10. The through-thread facet seal structure according to claim 1, characterised in that the inner bore of the clamp body (3) is clearance fitted with the inner cavity of the part to be sealed H8/f 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921896010.2U CN211778959U (en) | 2019-11-05 | 2019-11-05 | Through thread facet sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921896010.2U CN211778959U (en) | 2019-11-05 | 2019-11-05 | Through thread facet sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778959U true CN211778959U (en) | 2020-10-27 |
Family
ID=72963907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921896010.2U Active CN211778959U (en) | 2019-11-05 | 2019-11-05 | Through thread facet sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778959U (en) |
-
2019
- 2019-11-05 CN CN201921896010.2U patent/CN211778959U/en active Active
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