CN204647315U - A kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel - Google Patents
A kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel Download PDFInfo
- Publication number
- CN204647315U CN204647315U CN201520269459.1U CN201520269459U CN204647315U CN 204647315 U CN204647315 U CN 204647315U CN 201520269459 U CN201520269459 U CN 201520269459U CN 204647315 U CN204647315 U CN 204647315U
- Authority
- CN
- China
- Prior art keywords
- ring
- sealing
- seal
- support ring
- sealing lip
- 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.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 75
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 description 6
- 238000012856 packing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
本实用新型涉及一种船用耐高压双向旋转密封圈，包括外壳、端盖、第一支撑环、第二支撑环、带有弹簧的密封唇、辅助密封的第一O型密封圈、第二O型密封圈、矩形密封圈和第一紧固件、第二紧固件，弹簧安装在密封唇上，第一O型密封圈安装在外壳上，第二O型密封圈安装在第二支撑环上，密封唇、第一支撑环、第二支撑环和矩形密封圈依次安装入外壳内，端盖与外壳通过第一紧固件和第二紧固件相连接并紧固，密封唇采用PTFE材料密封唇。其密封效果好，节约成本，满足实际情况的需要。
The utility model relates to a marine high-pressure resistant bidirectional rotary sealing ring, which comprises a shell, an end cover, a first supporting ring, a second supporting ring, a sealing lip with a spring, a first O-shaped sealing ring for auxiliary sealing, and a second O-shaped sealing ring. Type sealing ring, rectangular sealing ring and the first fastener, the second fastener, the spring is installed on the sealing lip, the first O-ring is installed on the shell, and the second O-ring is installed on the second support ring On the top, the sealing lip, the first support ring, the second support ring and the rectangular sealing ring are installed into the housing in sequence, the end cover and the housing are connected and fastened by the first fastener and the second fastener, and the sealing lip is made of PTFE Material sealing lip. The sealing effect is good, the cost is saved, and the needs of actual conditions are met.
Description
Technical field
The utility model belongs to technical field of sealing technology, relates to a kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel.
Background technique
At present, general as shown in Figure 1 for high voltage-resistant bi-directional rotary seal coil structures peculiar to vessel, sealing circle is made up of metal shell 21 and three PTFE lip-type packings 22 and original support ring 23, original O RunddichtringO 24.The outer wall of the inwall of metal shell 21 and the metal frame b of PTFE lip-type packing 22 is interference fit, namely PTFE seal ring 22 can not be removed after loading metal shell 21 again, in actual application, seal ring is in use for some time because original sealing lip a generation wearing and tearing of PTFE lip-type packing 22 need to change, the seal ring of original structure is owing to adopting interference fit, whole seal ring all must be changed, thus cause unnecessary waste.For this reason, need a kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel, solve the seal ring of original structure owing to adopting interference fit, whole seal ring all must be changed, thus cause the problem of unnecessary waste, make its good sealing effect, cost-saving, meet the needs of actual conditions.
Model utility content
The purpose of this utility model is to provide a kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel, solve the seal ring of original structure owing to adopting interference fit, whole seal ring all must be changed, thus the problem of unnecessary waste is caused, make its good sealing effect, cost-saving, meet the needs of actual conditions.
For achieving the above object, the utility model provides a kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel, comprise shell, end cap, first support ring, second support ring, with the sealing lip of spring, one O RunddichtringO of auxiliary seal, 2nd O RunddichtringO, rectangular seal and the first fastening piece, second fastening piece, spring fitting is on sealing lip, one O RunddichtringO is arranged on shell, 2nd O RunddichtringO is arranged on the second support ring, sealing lip, first support ring, second support ring and rectangular seal are fit in shell successively, end cap and shell to be connected with the second fastening piece by the first fastening piece and fastening, sealing lip adopts PTFE material sealing lip.
In above scheme preferably, the quantity of sealing lip is three.
Can also preferably, three sealing lips are divided into two groups, seal respectively to the sealing medium on both sides.
Can also preferably, housing exterior is provided with two O RunddichtringOs, to realize the static sealing between two-way sealing ring and apparatus casing.
Can also preferably, the quantity of rectangular seal is three, and the 2nd O RunddichtringO and three rectangular seals realize three sealing lips and the first support ring, between the second support ring and end cap, and the static sealing between the second support ring and shell.
Can also preferably, shell, end cap, the first support ring and the second support ring adopt metal to make.
Can also preferably, shell, end cap, the first support ring, the second support ring and PTFE material sealing lip adopt turning moulding process to make.
Can also preferably, an O RunddichtringO, the 2nd O RunddichtringO, rectangular seal adopt rubber to make.
Can also preferably, an O RunddichtringO, the 2nd O RunddichtringO, rectangular seal adopt mold cure moulding process to make.
Compared with prior art, the utility model has the following advantages:
The utility model provides a kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel, it adopts knockdown ring structure, after seal ring uses a period of time, need to change wherein some wearing and tearing or ageing component, especially sealing lip, and the Renewal process of seal ring of the present utility model only needs after the taking-up of seal ring entirety, sealing lip can take out by dismounting fastening piece, and other metal support component are after having changed sealing lip, still can continue after having reconfigured according to Fig. 2 order to use, significantly reduce unnecessary waste, seal ring of the present utility model is without original metal frame simultaneously, therefore the special press tool made for metal frame impact briquetting is also no longer needed in production process, and the combination tool that sealing lip and metal frame combine, thus the correlative charges of research and development of products and manufacture is it also greatly reduced, its seal ring that can solve original structure is owing to adopting interference fit, whole seal ring all must be changed, thus the problem of unnecessary waste is caused, its good sealing effect, cost-saving, meet the needs of actual conditions.
Accompanying drawing explanation
Fig. 1 is the half sectional view of high voltage-resistant bi-directional rotating seal ring peculiar to vessel in prior art;
Fig. 2 is the half sectional view of high voltage-resistant bi-directional rotating seal ring peculiar to vessel of the present utility model.
In figure, 21 is metal shell, and 22 is PTFE lip-type packing, 23 be original support ring 23,24 is original O RunddichtringO, and b is metal frame, a is original sealing lip, and 1 is shell, and 2 is end cap, 3 is the first support ring, and 4 is the second support ring, and 5 is spring, 6 is sealing lip, and 7 is an O RunddichtringO, and 8 is the 2nd O RunddichtringO, 9 is rectangular seal, and 10 is the first fastening piece, and 11 is the second fastening piece.
Embodiment
In order to understand the utility model better, below in conjunction with specific embodiment, the utility model is explained in detail.But, obviously can carry out different modification and remodeling to the utility model and not exceed the wider spirit and scope of the utility model of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment:
A kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel, it is combined type packing ring, namely sealing circle is by the shell 1 of metal, end cap 2, first support ring 3, second support ring 4 and the O RunddichtringO 7 with the shaping sealing lip 6 of the PTFE turning of spring 5 and other auxiliary seals, 2nd O RunddichtringO 8, rectangular seal 9 and the first fastening piece 10, second fastening piece 11 forms, its medi-spring 5 is arranged on the shaping sealing lip of PTFE turning 6, one O RunddichtringO 7 is arranged on metal shell 1, 2nd O RunddichtringO 8 is arranged on the second support ring 4, then by sealing lip 6, first support ring 3, second support ring 4 and rectangular seal 9 are according to after in Fig. 2, order loads the shell 1 of metal, the first fastening piece 10 and the second fastening piece 11 is used to be carried out being connected with the shell 1 of metal by end cap 2 and fastening.
The sealing lip 6 that in Fig. 2, three PTFE turning is shaping is divided into two groups by different direction, seals respectively, realize the main dynamic bidirectional rotary seal function of seal ring to the sealing medium on both sides; Two the O RunddichtringOs 7 being arranged on shell 1 outside of metal realize the static sealing between two-way sealing ring and apparatus casing; The 2nd O RunddichtringO 8 in Fig. 2 and three rectangular seals 9 realize between three sealing lips 6 and the first support ring 3, second support ring 4, end cap 2 respectively, and second static sealing between support ring 4 and the shell 1 of metal, guarantee the auxiliary static sealing between the inner various piece of bidirectional rotation seal ring.The major metal component of combined seal ring: the sealing lip 6 of the shell 1 of metal, end cap 2, first support ring 3, second support ring 4 and PTFE material adopts turning moulding process.Rubber components: an O RunddichtringO 7, the 2nd O RunddichtringO 8, rectangular seal 9 adopt mold cure moulding process.
High voltage-resistant bi-directional rotating seal ring peculiar to vessel of the present utility model, it adopts knockdown ring structure, after seal ring uses a period of time, need to change wherein some wearing and tearing or ageing component, especially sealing lip 6, after the Renewal process of seal ring of the present utility model only needs seal ring entirety to take out, dismantle the first fastening piece 10 and sealing lip 6 can take out by the second fastening piece 11.And other metal support component are after having changed sealing lip 6, still can continue after having reconfigured according to Fig. 2 order to use.Significantly reduce unnecessary waste.The seal ring of new structure is without also no longer needing the special press tool made for metal frame b impact briquetting in original metal frame b therefore production process simultaneously, and the combination tool that original sealing lip a and metal frame b combines, thus it also greatly reduce the correlative charges of research and development of products and manufacture.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269459.1U CN204647315U (en) | 2015-04-29 | 2015-04-29 | A kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269459.1U CN204647315U (en) | 2015-04-29 | 2015-04-29 | A kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647315U true CN204647315U (en) | 2015-09-16 |
Family
ID=54100069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520269459.1U Expired - Lifetime CN204647315U (en) | 2015-04-29 | 2015-04-29 | A kind of high voltage-resistant bi-directional rotating seal ring peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647315U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806765A (en) * | 2015-04-29 | 2015-07-29 | 青岛开世密封工业有限公司 | Marine high-pressure-resistant bidirectional rotary sealing ring |
| CN106870735A (en) * | 2015-12-10 | 2017-06-20 | 北京橡胶工业研究设计院 | A kind of metallic framework PTFE seal for rotary shaft |
| CN112963540A (en) * | 2021-02-07 | 2021-06-15 | 青岛众力诚达智能科技有限公司 | Rotary sealing structure with supporting lip |
-
2015
- 2015-04-29 CN CN201520269459.1U patent/CN204647315U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806765A (en) * | 2015-04-29 | 2015-07-29 | 青岛开世密封工业有限公司 | Marine high-pressure-resistant bidirectional rotary sealing ring |
| CN106870735A (en) * | 2015-12-10 | 2017-06-20 | 北京橡胶工业研究设计院 | A kind of metallic framework PTFE seal for rotary shaft |
| CN112963540A (en) * | 2021-02-07 | 2021-06-15 | 青岛众力诚达智能科技有限公司 | Rotary sealing structure with supporting lip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |