CN209262268U - A kind of gas movable sealing structure - Google Patents
A kind of gas movable sealing structure Download PDFInfo
- Publication number
- CN209262268U CN209262268U CN201822053243.8U CN201822053243U CN209262268U CN 209262268 U CN209262268 U CN 209262268U CN 201822053243 U CN201822053243 U CN 201822053243U CN 209262268 U CN209262268 U CN 209262268U
- Authority
- CN
- China
- Prior art keywords
- mandril
- face
- sealing ring
- mouth body
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 73
- 238000012856 packing Methods 0.000 claims abstract description 31
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
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- Gasket Seals (AREA)
Abstract
The utility model relates to a kind of gas movable sealing structures, belong to aviation field.The gas movable sealing structure it include mandril, sealing ring, packing washer, mouth body and clamping screw；The utility model extends sealing ring service life to improve sealing ring and surrounding components sealing performance, needs to change sealing loop-shaped, and the assembly relation with surrounding contact part.
Description
Technical field
The utility model relates to a kind of gas movable sealing structures, belong to aviation field.
Background technique
In airplane ground support equipment, certain air charging system air inflation nozzles need to be arranged mandril to open self-styled valve on machine
Convenient for surveying pressure in gas replenishment process, mandril is that displacement is realized by way of screw thread rotation, is needed with mouth body fit-up gap close
Seal seals.Current sealing means are to recycle the groove and pressure of mouth body by O type cross section rubber seal snare on mandril
Tight washer fixed seal ring.If sealing ring slightly tilts in assembling process, it is easy to it is recessed to be pressed in mouth body by packing washer thereon
On step near slot, sealing ring is damaged.O type cross section rubber seal is that line contacts with surrounding components, mandril displacement process
In do not stop to be easy to lose sealing performance with rubber ring friction, sealing ring.
Summary of the invention
The utility model aim is to provide a kind of gas movable sealing structure, close with surrounding components in order to improve sealing ring
Sealing property, and extend sealing ring service life, need to change sealing loop-shaped, and the assembly relation with surrounding contact part.
The utility model to achieve the goals above, adopts the following technical scheme that a kind of gas movable sealing structure, the gas
Body movable sealing structure it include mandril, sealing ring, packing washer, mouth body and clamping screw；
The mandril be it is cylindric, the diameter of mandril back segment and mandril leading portion is smaller than mandril middle section external thread diameter；
The sealing ring be it is cylindric, the both ends of the surface of sealing ring front end and sealing ring rear end are outer circle taper, in sealing ring
Bore dia is less than the diameter of mandril back segment；
The packing washer front end face of packing washer is inner conical, and packing washer rear end face is plane, packing washer inner hole
Diameter is consistent with mandril back segment diameter；
The mouth body front end face of mouth body is internal thread structure, and mouth body rear end face is outer circle taper, bore dia and mandril in mouth body
Back segment diameter is identical；
The clamping screw diameter of bore of clamping screw is equal to mandril leading portion diameter, outside clamping screw internal screw thread and mandril middle section
Screw thread is identical, and clamping screw external screw thread specification is identical as mouth body front end face internal thread structure, and clamping screw end face is plane；
Sealing ring rear end is bonded with mouth body rear end face, and sealing ring front end and packing washer front end face face paste are closed；
Mandril leading portion is inserted into clamping screw inner hole through clamping screw internal screw thread, in mandril middle section external screw thread and clamping screw
Screw thread engagement is tightened；
The sub-assembly of mandril and clamping screw is sequentially inserted into packing washer inner hole, ring inner hole, mouth body by mandril back segment
Inner hole, clamping screw external screw thread are engaged with mouth body front end face internal screw thread and are tightened, and clamping screw end face is made to push down packing washer rear end
Face.
Further, cap nut is loaded onto mouth body one end, is used to inflation valve on connection machine.
Further, handle is set on mandril leading portion end.
Further, the roughness of mandril back segment is 0.8.
Further, the roughness of sealing ring front end, sealing ring rear end and ring inner hole is 0.8.
Further, packing washer front end surface roughness is 0.8.
Further, mouth body rear end surface roughness is 0.8.
Further, sealing ring front end and sealing ring rear end are 120 ° of outer circle tapers.
Further, mouth body rear end face is 120 ° of outer circle tapers.
By changing the mouth body and packing washer shape of sealing ring and fixed seal ring, increase sealing surface, structure to reach
Stable and easy to assembly purpose.Sealing ring is designed to cylindric, increases itself and ejector pin contact area, enhance sealing performance.
Sealing ring both ends are outside 120 ° of cones, the packing washer contacted and this face of mouth body be designed to inside 120 ° it is coniform,
Enhance ring structure stability in mandril active procedure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is mandril (1) structural schematic diagram of the utility model；
Fig. 3 is sealing ring (2) structural schematic diagram of the utility model；
Fig. 4 is packing washer (3) structural schematic diagram of the utility model；
Fig. 5 is mouth body (4) structural schematic diagram of the utility model；
Fig. 6 is clamping screw (5) structural schematic diagram of the utility model；
Fig. 7 is the application schematic diagram of the utility model.
Specific embodiment
The utility model is described in detail in connection with figures below:
A kind of gas movable sealing structure, the gas movable sealing structure it include mandril 1, sealing ring 2, packing washer 3,
Mouth body 4 and clamping screw 5；
The mandril 1 be it is cylindric, the diameter of mandril back segment 13 and mandril leading portion 11 is than 12 external thread diameter of mandril middle section
It is small；
The sealing ring 2 be it is cylindric, the both ends of the surface of sealing ring front end 21 and sealing ring rear end 22 are outer circle taper, sealing
Enclose the diameter that 23 diameter of inner hole is less than mandril back segment 13；
The packing washer front end face 31 of packing washer 3 is inner conical, and packing washer rear end face 32 is plane, packing washer
33 diameter of inner hole is consistent with 13 diameter of mandril back segment；
The mouth body front end face 41 of mouth body 4 is internal thread structure, and mouth body rear end face 42 is outer circle taper, 43 diameter of hole in mouth body
It is identical as 13 diameter of mandril back segment；
51 diameter of clamping screw inner hole of clamping screw 5 is equal to 11 diameter of mandril leading portion, clamping screw internal screw thread 52 and top
12 external screw thread of bar middle section is identical, and 53 specification of clamping screw external screw thread is identical as mouth body 41 internal thread structures of front end face, clamping screw
End face 54 is plane；
Sealing ring rear end 22 is bonded with mouth body rear end face 42, and sealing ring front end 21 and 31 face paste of packing washer front end face are closed；
Mandril leading portion 11 is inserted into clamping screw inner hole 51 through clamping screw internal screw thread 52,12 external screw thread of mandril middle section and lock
Tight 52 engagement of bolt internal screw thread is tightened；
The sub-assembly of mandril 1 and clamping screw 5 is sequentially inserted into packing washer inner hole 33, ring inner hole by mandril back segment 13
23, hole 43 in mouth body, clamping screw external screw thread 53 are engaged with 41 internal screw thread of mouth body front end face and are tightened, and press clamping screw end face 54
Firmly packing washer rear end face 32.
Cap nut is loaded onto 4 one end of mouth body, is used to inflation valve on connection machine.
Handle is set on 11 end of mandril leading portion.
The roughness of mandril back segment 13 is 0.8.
The roughness of sealing ring front end 21, sealing ring rear end 22 and ring inner hole 23 is 0.8.
31 roughness of packing washer front end face is 0.8.
42 roughness of mouth body rear end face is 0.8.
Sealing ring front end 21 and sealing ring rear end 22 are 120 ° of outer circle tapers.
In practical applications, cap nut need to be being loaded onto 4 one end of mouth body, is being used to inflation valve on connection machine.
And handle is set on 11 end of mandril leading portion.Connect gas source mouth body interface can flexible design as needed, such as
Shown in Fig. 7.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of gas movable sealing structure, it is characterised in that: the gas movable sealing structure it include mandril (1), sealing ring
(2), packing washer (3), mouth body (4) and clamping screw (5)；
The mandril (1) be it is cylindric, the diameter of mandril back segment (13) and mandril leading portion (11) is than mandril middle section (12) external screw thread
Diameter is small；
The sealing ring (2) be it is cylindric, the both ends of the surface of sealing ring front end (21) and sealing ring rear end (22) are outer circle taper, close
Seal inner hole (23) diameter is less than the diameter of mandril back segment (13)；
The packing washer front end face (31) of packing washer (3) is inner conical, and packing washer rear end face (32) is plane, clamping pad
It is consistent with mandril back segment (13) diameter to enclose inner hole (33) diameter；
The mouth body front end face (41) of mouth body (4) is internal thread structure, and mouth body rear end face (42) is outer circle taper, hole (43) in mouth body
Diameter is identical as mandril back segment (13) diameter；
Clamping screw inner hole (51) diameter of clamping screw (5) is equal to mandril leading portion (11) diameter, clamping screw internal screw thread (52)
It is identical as mandril middle section (12) external screw thread, clamping screw external screw thread (53) specification and mouth body front end face (41) internal thread structure phase
Together, clamping screw end face (54) are plane；
Sealing ring rear end (22) is bonded with mouth body rear end face (42), sealing ring front end (21) and packing washer front end face (31) face paste
It closes；
Mandril leading portion (11) is inserted into clamping screw inner hole (51) through clamping screw internal screw thread (52), mandril middle section (12) external screw thread
It engages and tightens with clamping screw internal screw thread (52)；
The sub-assembly of mandril (1) and clamping screw (5) is sequentially inserted into packing washer inner hole (33), sealing ring by mandril back segment (13)
In inner hole (23), mouth body hole (43), clamping screw external screw thread (53) is engaged with mouth body front end face (41) internal screw thread and is tightened, and makes to lock
Push down packing washer rear end face (32) in bolt end face (54).
2. gas movable sealing structure according to claim 1, it is characterised in that: load onto housing spiral shell in mouth body (4) one end
Mother is used to inflation valve on connection machine.
3. gas movable sealing structure according to claim 1, it is characterised in that: be arranged on mandril leading portion (11) end
Handle.
4. gas movable sealing structure according to claim 1, it is characterised in that: the roughness of mandril back segment (13) is
0.8。
5. gas movable sealing structure according to claim 1, it is characterised in that: after sealing ring front end (21), sealing ring
Holding the roughness of (22) and ring inner hole (23) is 0.8.
6. gas movable sealing structure according to claim 1, it is characterised in that: packing washer front end face (31) roughness
It is 0.8.
7. gas movable sealing structure according to claim 1, it is characterised in that: mouth body rear end face (42) roughness is
0.8。
8. gas movable sealing structure according to claim 1, it is characterised in that: behind sealing ring front end (21) and sealing ring
Holding (22) is 120 ° of outer circle tapers.
9. gas movable sealing structure according to claim 1, it is characterised in that: mouth body rear end face (42) is 120 ° of outer circles
Taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053243.8U CN209262268U (en) | 2018-12-07 | 2018-12-07 | A kind of gas movable sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053243.8U CN209262268U (en) | 2018-12-07 | 2018-12-07 | A kind of gas movable sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262268U true CN209262268U (en) | 2019-08-16 |
Family
ID=67562327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822053243.8U Withdrawn - After Issue CN209262268U (en) | 2018-12-07 | 2018-12-07 | A kind of gas movable sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296756A (en) * | 2018-12-07 | 2019-02-01 | 江西洪都航空工业集团有限责任公司 | A kind of gas movable sealing structure for aviation field |
-
2018
- 2018-12-07 CN CN201822053243.8U patent/CN209262268U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296756A (en) * | 2018-12-07 | 2019-02-01 | 江西洪都航空工业集团有限责任公司 | A kind of gas movable sealing structure for aviation field |
| CN109296756B (en) * | 2018-12-07 | 2024-04-02 | 江西洪都航空工业集团有限责任公司 | Gas movable sealing structure for aviation field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190816 Effective date of abandoning: 20240402 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190816 Effective date of abandoning: 20240402 |