CN109323003A - A fully split dynamic sealing device - Google Patents
A fully split dynamic sealing device Download PDFInfo
- Publication number
- CN109323003A CN109323003A CN201811576145.0A CN201811576145A CN109323003A CN 109323003 A CN109323003 A CN 109323003A CN 201811576145 A CN201811576145 A CN 201811576145A CN 109323003 A CN109323003 A CN 109323003A
- Authority
- CN
- China
- Prior art keywords
- ring
- friction ring
- static
- dynamic
- sealing device
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3464—Mounting of the seal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3464—Mounting of the seal
- F16J15/3472—Means for centering or aligning the contacting faces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
本发明提供了一种全剖分式动密封装置，包括安装于设备壳体上的静止环和安装于轴上的旋转组件，所述静止环由一体剖开的两部分组合而成，所述旋转组件由与静止环配对的动摩擦环、弹簧和弹簧座组成，所述动摩擦环由弹簧施加推力与静止环持续贴合并相对转动，形成动密封，所述静止环与设备壳体之间设有密封垫而形成静密封，所述静止环与摩擦环之间设有静摩擦环且静摩擦环为两部分组合而成，所述静止环与静摩擦环之间设有用于防止产生相对滑动的防转销，所述弹簧座上设有与动摩擦环连接的传动销及用于调节弹簧压缩量的调节螺栓。本发明提供的一种全剖分式动密封装置，密封性能好，安装拆卸应用更方便，使用寿命长，降低了成本。
The present invention provides a fully split dynamic sealing device, comprising a stationary ring mounted on an equipment casing and a rotating assembly mounted on a shaft, wherein the stationary ring is formed by combining two parts that are cut into one piece, the The rotating assembly is composed of a dynamic friction ring, a spring and a spring seat matched with the static ring. The dynamic friction ring is continuously pressed against the static ring by the spring and rotates relatively to form a dynamic seal. The static ring and the equipment housing are provided with A static seal is formed by a sealing gasket. A static friction ring is arranged between the static ring and the friction ring. The static friction ring is composed of two parts. An anti-rotation pin is arranged between the static ring and the static friction ring to prevent relative sliding. The spring seat is provided with a transmission pin connected with the dynamic friction ring and an adjustment bolt for adjusting the compression amount of the spring. The fully split type dynamic sealing device provided by the invention has good sealing performance, more convenient installation and disassembly application, long service life and reduced cost.
Description
Technical field
The present invention relates to sealing device, in particular to a kind of complete section fraction dynamic sealing device.
Background technique
Mechanical seal is a kind of gland seal device of fluid rotary machine.Since transmission shaft is applied in inside and outside equipment, in this way, axis
There are a circumferential clearance between apparatus casing, the medium in equipment can be leaked out by the gap, it is therefore necessary to have one
A gland seal device for preventing leakage.There are many type of axle envelope, and nowadays mechanical seal is most important axle envelope mode.Mechanical seal
Effect and auxiliary seal by a pair of or several end faces to perpendicular to rotation axis in Fluid pressure and compensation mechanism elastic force
Under cooperation, the device for preventing fluid from leaking for being bonded and constituting with respect to sliding, also known as face seals are kept.It is mechanical close
Envelope is widely used in the fluid machinery that pump, compressor, blower, blender etc. have rotary shaft, through modern process industry
Every field.
Its major part of traditional mechanical seal such as rotating ring, stationary ring, axle sleeve etc. are all the torus of closure, are to need in installation
It after barrier is removed, then is installed, dismounting is primary very troublesome, especially large-scale equipment, and it is complicated to increase installation
Property, engineering cost, and assembly precision is difficult to ensure to a certain extent, reduces the safety of sealing, and service life is short.
Summary of the invention
For above-mentioned deficiency in the prior art, the present invention provides a kind of complete section fraction dynamic sealing device, structure letters
Single, assembly and disassembly is convenient, and good airproof performance facilitates popularization.
In order to achieve the above object of the invention, the technical solution adopted by the present invention are as follows:
A kind of complete section fraction dynamic sealing device, including the stationary ring being installed on apparatus casing and the rotation being installed on axis
Component, the stationary ring are composed of the two parts integrally splitted, and the rotary components are by the dynamic friction matched with stationary ring
Ring, the spring for applying adhesive force and the spring-loaded spring base composition of peace, the dynamic friction ring apply thrust and stationary ring by spring
It is persistently bonded and relatively rotates, form dynamic sealing, be equipped with gasket between the stationary ring and apparatus casing and form static seal,
For guaranteeing that stationary ring is persistently bonded with the dynamic friction ring of rotation；
The static friction ring and static friction ring for opposite grinding are equipped between the stationary ring and drag ring as two parts combine and
At equipped with for preventing that the opposite stop pin slided, the spring base are equipped between the stationary ring and static friction ring
The trundle being connect with dynamic friction ring and the adjusting bolt for adjustment spring decrement.
Further, O-ring is equipped between the dynamic friction ring and axis to form floating seal, the O-ring is used for
Seal the minim gap between dynamic friction ring and axis.
Further, the static friction ring can be replaced by the concentric ring that 3 packing rings form.
Further, positioning pin, the splicing for static friction ring are equipped between two parts of the static friction ring.
Further, the holding screw for connection is equipped between two parts of the stationary ring.
Further, the stationary ring is equipped with the connecting hole for being fixed on stationary ring on apparatus casing.
Further, the outside of the stationary ring is equipped with the sealing ring for sealing with apparatus casing.
Further, the material of the static friction ring is fluoroplastics or PEEK.
Further, the material of the packing ring is fiber.
The invention has the benefit that
The configuration of the present invention is simple, easy to use, stationary ring is composed of the two parts integrally splitted, while static friction ring
It is composed for two parts, after the installation needs in effective solution conventional seals remove barrier, then installed
Problem reduces costs, quick and convenient in part replacement, and the component in conventional seals is the torus of closure, the essence of installation
Degree cannot be guaranteed, and service life is short, and the present invention is assembled using positioning finger setting, and precision is high, and long service life reduces use
Cost, static friction ring can be replaced use by packing ring, and replaceability is strong, and when replacing component, selectivity is more.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
The appended drawing reference table of comparisons:
1- connecting hole, 2- hold screw, 3- static friction ring, 4- positioning pin, 5- stop pin, 6- trundle, 7-O shape circle, 8- tightly
Spring, 9- spring base, 10- adjust bolt, 11- dynamic friction ring, 12- stationary ring, 13- sealing ring, 14- axis.
Specific embodiment
Further illustrate a specific embodiment of the invention with reference to the accompanying drawing.Wherein identical components are with identical
Appended drawing reference indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down"
Refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.
In order that the present invention can be more clearly and readily understood, following will be combined with the drawings in the embodiments of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described.
As shown in Figure 1, a kind of complete section fraction dynamic sealing device, including the stationary ring 12 being installed on apparatus casing and installation
Rotary components on axis 14, the stationary ring 12 are composed of the two parts integrally splitted, the rotary components by with it is quiet
The spring 8 and the spring-loaded spring base 9 of peace of dynamic friction ring 11, application adhesive force that only ring 12 matches form, the dynamic friction ring
11, which apply thrust by spring 8, is persistently bonded and relatively rotates with stationary ring 12, forms dynamic sealing, the stationary ring 12 and equipment shell
Gasket is equipped between body and forms static seal, for guaranteeing that stationary ring 12 and the dynamic friction ring 11 of rotation continue to be bonded；
Being equipped between the stationary ring 12 and drag ring 11 for the static friction ring 3 and static friction ring 3 of opposite grinding is two parts
It is composed, is equipped between the stationary ring 12 and static friction ring 3 for preventing the opposite stop pin 5 slided, the bullet
Spring abutment 9 is equipped with the trundle 6 connecting with dynamic friction ring 11 and the adjusting bolt 10 for 8 decrement of adjustment spring.
O-ring 7 is equipped between the dynamic friction ring 11 and axis 14 to form floating seal, the O-ring 7 is for sealing
Gap between dynamic friction ring 11 and axis 14.
The static friction ring 3 can be replaced by the concentric ring that 3 packing rings 3.1 form.
Positioning pin 4, the splicing for static friction ring 3 are equipped between two parts of the static friction ring 3.
The holding screw 2 for connection is equipped between two parts of the stationary ring 12.
The stationary ring 12 is equipped with the connecting hole 1 for being fixed on stationary ring 12 on apparatus casing.
The outside of the stationary ring 12 is equipped with the sealing ring 13 for sealing with apparatus casing, or gasket seal.
The material of the static friction ring 3 is fluoroplastics or PEEK, has self-lubricating property, frictional behaviour good, intermediate
Lubricating grease can be filled in groove, to provide lubrication.
The material of the packing ring 3.1 is fiber and impregnated inside lubricant.
In the device use process, it is mainly characterized by full split type structure, it is mainly static on apparatus casing by being installed on
Ring 12 and the rotary components being installed on axis 14 are constituted.Rotary components by matched with stationary ring 12 dynamic friction ring 11, apply paste
The spring 8 of resultant force and the spring base 9 of installation spring 8, dynamic friction ring 11 apply thrust by spring 8 and continue to be bonded with stationary ring 12,
And relatively rotate, dynamic sealing is formed, stationary ring 12 and apparatus casing form static seal, dynamic friction ring 11 by gasket or O-ring
Floating seal is often formed by O-ring between axis 14, to guarantee that stationary ring 12 and the dynamic friction ring 11 of rotation continue to be bonded, is compensated
The bounce of axis rotation or play, trundle 6 (or screw) are tightened on dynamic friction ring 11, pass through spring base 9, spring base
9 hold tightly with the rotation of axis 14 on axis 14, and dynamic friction ring 11 rotates together, and adjusts bolt 10 and is equipped with nut, is used for adjustment spring 8
Decrement, and then adjust kinematics and static friction ring 11 between closing force ring, together with axis 14 rotate.
The above description is only a preferred embodiment of the patent of the present invention, is not intended to limit the invention patent, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the invention patent within the spirit and principle of patent of invention
Protection scope within.
Claims (9)
1. a kind of complete section fraction dynamic sealing device characterized by comprising the stationary ring (12) and peace being installed on apparatus casing
Loaded on the rotary components on axis (14), the stationary ring (12) is composed of the two parts integrally splitted, the rotary components
Spring (8) and spring-loaded spring base (9) group of peace by the dynamic friction ring (11), application adhesive force that are matched with stationary ring (12)
At the dynamic friction ring (11) applies thrust by spring (8) and is persistently bonded and relatively rotates with stationary ring (12), and formation is moved close
Envelope is equipped with gasket between the stationary ring (12) and apparatus casing and forms static seal, for guaranteeing stationary ring (12) and rotation
The dynamic friction ring (11) turned is persistently bonded；
Being equipped between the stationary ring (12) and drag ring (11) for the static friction ring (3) and static friction ring (3) of opposite grinding is two
Part is composed, and is equipped between the stationary ring (12) and static friction ring (3) for preventing the opposite stop pin slided
(5), the spring base (9) is equipped with the trundle (6) connecting with dynamic friction ring (11) and for adjustment spring (8) decrement
It adjusts bolt (10).
2. a kind of complete section fraction dynamic sealing device according to claim 1, it is characterised in that: the dynamic friction ring (11) with
O-ring (7) are equipped between axis (14) to form floating seal, the O-ring (7) is for sealing dynamic friction ring (11) and axis
(14) gap between.
3. a kind of complete section fraction dynamic sealing device according to claim 1, it is characterised in that: the static friction ring (3)
It can be replaced by the concentric ring that 3 packing rings (3.1) form.
4. a kind of complete section fraction dynamic sealing device according to claim 1, it is characterised in that: the static friction ring (3)
Positioning pin (4) are equipped between two parts, are used for the splicing of static friction ring (3).
5. a kind of complete section fraction dynamic sealing device according to claim 1, it is characterised in that: the two of the stationary ring (12)
The holding screw (2) for connection is equipped between part.
6. a kind of complete section fraction dynamic sealing device according to claim 1, it is characterised in that: set on the stationary ring (12)
There is the connecting hole (1) for being fixed on stationary ring (12) on apparatus casing.
7. a kind of complete section fraction dynamic sealing device according to claim 1, it is characterised in that: outside the stationary ring (12)
Side is equipped with the sealing ring (13) for sealing with apparatus casing.
8. a kind of complete section fraction dynamic sealing device according to claim 1, it is characterised in that: the static friction ring (3)
Material is fluoroplastics or PEEK.
9. a kind of complete section fraction dynamic sealing device according to claim 1, it is characterised in that: the packing ring (3.1)
Material is fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811576145.0A CN109323003A (en) | 2018-12-22 | 2018-12-22 | A fully split dynamic sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811576145.0A CN109323003A (en) | 2018-12-22 | 2018-12-22 | A fully split dynamic sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109323003A true CN109323003A (en) | 2019-02-12 |
Family
ID=65257500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811576145.0A Pending CN109323003A (en) | 2018-12-22 | 2018-12-22 | A fully split dynamic sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109323003A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274025A (en) * | 2019-07-21 | 2019-09-24 | 张家港市赛斯机械密封有限公司 | A kind of split-type shaft seal apparatus |
| CN112178193A (en) * | 2020-10-10 | 2021-01-05 | 江门市新会区天府密封科技有限公司 | Single-end-face antifriction mechanical seal |
| CN112705322A (en) * | 2021-01-07 | 2021-04-27 | 安徽华电宿州发电有限公司 | Wet ball mill bistrique seal structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141151A (en) * | 2010-06-25 | 2011-08-03 | 中国船舶重工集团公司第七〇四研究所 | Novel static-ring structure of mechanical sealing device |
| CN206845901U (en) * | 2017-01-09 | 2018-01-05 | 广州泰升工业技术有限公司 | One kind splits formula sealing device |
| CN209458405U (en) * | 2018-12-22 | 2019-10-01 | 张家港市赛斯机械密封有限公司 | A fully split dynamic sealing device |
-
2018
- 2018-12-22 CN CN201811576145.0A patent/CN109323003A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141151A (en) * | 2010-06-25 | 2011-08-03 | 中国船舶重工集团公司第七〇四研究所 | Novel static-ring structure of mechanical sealing device |
| CN206845901U (en) * | 2017-01-09 | 2018-01-05 | 广州泰升工业技术有限公司 | One kind splits formula sealing device |
| CN209458405U (en) * | 2018-12-22 | 2019-10-01 | 张家港市赛斯机械密封有限公司 | A fully split dynamic sealing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274025A (en) * | 2019-07-21 | 2019-09-24 | 张家港市赛斯机械密封有限公司 | A kind of split-type shaft seal apparatus |
| CN112178193A (en) * | 2020-10-10 | 2021-01-05 | 江门市新会区天府密封科技有限公司 | Single-end-face antifriction mechanical seal |
| CN112705322A (en) * | 2021-01-07 | 2021-04-27 | 安徽华电宿州发电有限公司 | Wet ball mill bistrique seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190729 Address after: 215000 Chaodong Weigang Village, Daxin Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant after: Zhangjiagang Seth Mechanical Seal Co.,Ltd. Address before: 215600 No. 68 Huanyu North Road, Jingang Town, Zhangjiagang City, Suzhou City, Jiangsu Province, Sumi Sealing Technology Co., Ltd. Applicant before: SUZHOU SUMI SEAL TECHNOLOGY Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190212 |