CN209557664U - A kind of vertical double-face mechanical sealing structure in parallel - Google Patents
A kind of vertical double-face mechanical sealing structure in parallel Download PDFInfo
- Publication number
- CN209557664U CN209557664U CN201920004667.7U CN201920004667U CN209557664U CN 209557664 U CN209557664 U CN 209557664U CN 201920004667 U CN201920004667 U CN 201920004667U CN 209557664 U CN209557664 U CN 209557664U
- Authority
- CN
- China
- Prior art keywords
- seat
- drive sleeve
- retainer
- outer side
- side seal
- 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.)
- Active
Links
Landscapes
- Mechanical Sealing (AREA)
Abstract
The utility model belongs to mechanical seal scope.Specially a kind of vertical double-face mechanical sealing structure in parallel.The problem of standard mechanical single seal stability deficiency is used mainly for the media such as easy fouling, impure suitable for vertical low-speed pump and kettle.Such sealing belongs to outer-flowing type sealing using Double End structure in parallel, this sealing, and side medium is designed using overbalance, and outside is designed using bidirectional balanced formula, is suitable for the lower occasion of pressure.The utility model makes full use of the bulk of standard seal, and Double End friction is secondary to use different materials, has oil lubrication between two sealings, the stability of sealing is made to be further enhanced.
Description
Technical field
The utility model belongs to technical field of mechanical, specially a kind of vertical double-face mechanical sealing structure in parallel.
Background technique
For generic media, vertical pump and the sealing of kettle standard type just can be used and reach sealing using effect well.When
Standard seal is applied to the media such as easy fouling, impure, and short term failure phenomenon often occurs in stability in use wretched insufficiency.It is existing
Specific aim solution is to arrange that structure is complicated and occupies larger axial space back-to-back using two sets of sealings, and sealing cost increases
Greatly.This vertical double mechanical seal in parallel has made targeted design, effectively solves the particular problem of physical presence.
Utility model content
The utility model specifically provides a kind of vertical double-face mechanical sealing structure in parallel, for vertical low-speed pump and
The axis of kettle is sealed, including bottom stationary seat, and the stationary seat periphery is cased with a circle pressing plate, and the stationary seat top is set
There is inner seal friction secondary；
The inner seal rubs secondary upper inner equipped with a retainer, and one circle of lower periphery assembly of the retainer is dynamic
Ring seat A is equipped with a sealing ring between the top rotating seat A and retainer；
The top of the stationary seat, the outside of rotating seat A are equipped with a rotating seat B, and the top of rotating seat B is equipped with outside
Seal ring seat, the top drive sleeve A are looped around the middle part periphery of retainer, lower part be placed in outer side seal ring seat and rotating seat A it
Between, the lower part of rotating seat A encases the lower part of rotating seat B；
The periphery of the drive sleeve A is additionally provided with a drive sleeve B, and the welding of the top drive sleeve B is looped around retainer periphery,
Middle part is secure around drive sleeve A top peripheral, and lower part is secure around outer side seal ring seat periphery, while at drive sleeve B
It is equipped with a sealing ring between portion and outer side seal ring seat, is successively surround on sealing ring and is equipped with baffle ring and circlip；
Anti-rotation groove, a stop pin lower part and outer side seal ring seat anti-rotation groove clearance fit are opened in outer side seal ring seat upper end, on
Portion and drive sleeve A interference insert are wherein equipped with insert hole in drive sleeve A；When rotation, drive sleeve A drives outside by stop pin
Seal ring seat rotation；
It is connected with multiple springs between retainer and drive sleeve A simultaneously, multiple insert holes also are provided in retainer,
Spring top is floating loaded on insert hole in retainer, lower part and insert hole floating connection on drive sleeve A, and the two can opposite fortune
Dynamic, i.e., lower spring end passes through drive sleeve A insert hole and withstands on throw-out collar；
Multiple holding screws are equipped on retainer, which holds out against axis to be sealed, realizes retainer with axis
Rotation.
The advantage of the utility model is: using lesser external installation space, arranging two groups of dynamic friction pairs, and independent real
Now seal.So that sealing effect is good, long service life.It is simple to collect assembling structure simultaneously, reduces cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of utility model；
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, a kind of vertical double-face mechanical sealing structure in parallel, carries out for the axis to vertical low-speed pump and kettle
Sealing, including bottom stationary seat 15,15 periphery of stationary seat are cased with a circle pressing plate 16, and 15 top of stationary seat is equipped with
One inner seal friction pair 18；
The inner seal rubs secondary 18 upper inners equipped with a retainer 9, the lower periphery assembly one of the retainer 9
Rotating seat A6 is enclosed, a sealing ring 1 is equipped between the top rotating seat A6 and retainer 9；
The outside on the top of the stationary seat 15, rotating seat A6 is equipped with a rotating seat B14, the top of rotating seat B14
Equipped with outer side seal ring seat 19, the top drive sleeve A11 is looped around the middle part periphery of retainer 9, and lower part is placed in outer side seal ring
Between 19 and rotating seat A6 of seat, the lower part of rotating seat A6 encases the lower part of rotating seat B14；
The periphery of the drive sleeve A11 is additionally provided with a drive sleeve B10, and the top drive sleeve B10 is secure around transmission
9 periphery of seat, middle part are secure around drive sleeve A11 top peripheral, and lower part is secure around 19 periphery of outer side seal ring seat, simultaneously
A sealing ring 13 is equipped between the lower part drive sleeve B10 and outer side seal ring seat 19, on sealing ring successively around equipped with baffle ring 7 and
Circlip 12；
Anti-rotation groove is opened in 19 upper end of outer side seal ring seat, and 20 lower part of a stop pin is matched with 19 anti-rotation groove gap of outer side seal ring seat
It closes, top and drive sleeve A11 interference insert are wherein equipped with insert hole in drive sleeve A11；When rotation, drive sleeve A11 passes through anti-rotation
Pin 20 drives outer side seal ring seat 19 to rotate；
It is connected with multiple springs (2,8) between retainer 9 and drive sleeve A11 simultaneously, also is provided in retainer 9
Multiple insert holes, spring (2,8) top is floating loaded on insert hole in retainer 9, and lower part is floated with insert hole on drive sleeve A11 to be connected
It connects, the two can be passed through drive sleeve A11 insert hole and be withstood on throw-out collar 5 with relative motion, i.e. spring (2,8) lower end；
Multiple holding screws 3 are equipped on retainer 9, which holds out against axis to be sealed, realize retainer 9 with
Axis rotation.
2 rotating seat B 14 of spring provide thrust, and spring 2 pushes away drive sleeve A11, and rotating seat B14 is floated indirectly and is mounted in drive sleeve
On A11, spring 2 pushes rotating seat B 14 and stationary seat 15 to be closed indirectly, realizes dynamic sealing.
Drive sleeve B10 and drive sleeve A11 can be slided mutually, and drive sleeve A11 excircle is equipped with multiple R connected in stars, transmission
It covers B10 and is equipped with R shape protrusion, groove and protrusion directly have gap, and the two can not only slide but also anti-rotation, and drive sleeve A 11 drives transmission
B 10 is covered to rotate.Rotating seat B14 and drive sleeve A11 passes through stop pin indirect transfer torque.
The utility model is the sealing realized using double seals in parallel to medium.Media end dynamic friction pair uses insert
Structure, secondary friction is hard material, and overbalance formula structure realizes friction torque transmitting by drive sleeve, and closing force has spring to mention
For auxiliary seal uses 0 shape circle of rubber, and complete structure substantially sealed off realizes the primary seal to medium.Atmosphere end dynamic friction
Pair uses insert structure, and secondary friction is graphite material, and bidirectional balanced formula structure is realized friction torque transmitting by drive sleeve, closed
Resultant force has spring offer, and auxiliary seal uses 0 shape circle of rubber, is marked with lubricating oil between two friction pairs, complete knot substantially sealed off
Structure realizes the secondary seal to medium.Two sets sealing it is reasonably combined, guarantee the stability in use of integral sealing.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (1)
1. a kind of vertical double-face mechanical sealing structure in parallel, is sealed, feature for the axis to vertical low-speed pump and kettle
Be: including bottom stationary seat (15), the stationary seat (15) periphery is cased with a circle pressing plate (16), the stationary seat (15)
Top is equipped with an inner seal and rubs secondary (18)；
The inner seal rubs secondary (18) upper inner equipped with a retainer (9), and the lower periphery of the retainer (9) assembles
One circle rotating seat A (6), is equipped with a sealing ring (1) between (6) top rotating seat A and retainer (9)；
The outside on the top of the stationary seat (15), rotating seat A (6) is equipped with a rotating seat B (14), rotating seat B's (14)
Top is equipped with outer side seal ring seat (19), and drive sleeve A (11) top is looped around the middle part periphery of retainer (9), and lower part is placed in
Between outer side seal ring seat (19) and rotating seat A (6), the lower part of rotating seat A (6) encases the lower part of rotating seat B (14)；
The periphery of the drive sleeve A (11) is additionally provided with a drive sleeve B (10), and the welding of (10) top drive sleeve B is looped around biography
Dynamic seat (9) periphery, middle part are secure around drive sleeve A (11) top peripheral, and lower part is secure around outer side seal ring seat (19)
Periphery, while a sealing ring (13) are equipped between (10) lower part drive sleeve B and outer side seal ring seat (19), on sealing ring successively
Around equipped with baffle ring (7) and circlip (12)；
Open anti-rotation groove, a stop pin (20) lower part and outer side seal ring seat (19) anti-rotation groove gap in outer side seal ring seat (19) upper end
Cooperation, top and drive sleeve A (11) interference insert are wherein equipped with insert hole in drive sleeve A (11)；When rotation, drive sleeve A (11)
Outer side seal ring seat (19) rotation is driven by stop pin (20)；
It is connected with multiple springs (2,8) between retainer (9) and drive sleeve A (11) simultaneously, also is provided in retainer (9)
Multiple insert holes, spring (2,8) top is floating to be loaded on retainer (9) interior insert hole, and insert hole is floating on lower part and drive sleeve A (11)
Dynamic connection, the two can be passed through drive sleeve A (11) insert hole and be withstood on throw-out collar 5 with relative motion, i.e. spring (2,8) lower end；
Multiple holding screws (3) are equipped on retainer (9), which holds out against axis to be sealed, realizes retainer
(9) as axis rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004667.7U CN209557664U (en) | 2019-01-03 | 2019-01-03 | A kind of vertical double-face mechanical sealing structure in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004667.7U CN209557664U (en) | 2019-01-03 | 2019-01-03 | A kind of vertical double-face mechanical sealing structure in parallel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209557664U true CN209557664U (en) | 2019-10-29 |
Family
ID=68305193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920004667.7U Active CN209557664U (en) | 2019-01-03 | 2019-01-03 | A kind of vertical double-face mechanical sealing structure in parallel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209557664U (en) |
-
2019
- 2019-01-03 CN CN201920004667.7U patent/CN209557664U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201434075Y (en) | Assembled type double end surface mechanical seal device | |
| CN101652590A (en) | Double seal with pressurised lip | |
| CN104279386B (en) | Piston balance compensating high-speed and high-pressure rotary joint | |
| CN203336103U (en) | Piston balance compensation type high-speed and high-pressure rotary connector | |
| CN201330705Y (en) | Mechanical seal structure of Roots vacuum pump | |
| CN209557664U (en) | A kind of vertical double-face mechanical sealing structure in parallel | |
| CN104196440B (en) | Sealing-type screw drill transmission shaft assembly | |
| CN104696517B (en) | A kind of integrated form double mechanical seal | |
| CN209041165U (en) | A kind of mechanical sealing member for centrifugal pump seal | |
| CN203594787U (en) | Integrated double-end-face mechanical seal | |
| CN103615194A (en) | Oil seal spindle assembly of screw drill | |
| CN201162846Y (en) | Double-eccentric semi-sphere ball valve | |
| CN111043163A (en) | Bearing sealing structure for magnetic transmission | |
| CN202834077U (en) | Oil seal combining three lips | |
| CN202971910U (en) | Mechanical seal device for reaction still | |
| CN211314491U (en) | Compressor mechanical sealing device and compressor | |
| CN203655149U (en) | Spindle assembly for oil sealing of positive displacement motor | |
| CN211648808U (en) | Bearing sealing structure for magnetic transmission | |
| CN208364186U (en) | A kind of efficient oil enveloping structure of steam turbine | |
| CN208565563U (en) | A kind of anti-dry friction mechanical sealing of Double End | |
| CN219510048U (en) | External wet brake | |
| CN201739455U (en) | Movable ring transmission device in cartridge mechanical seal | |
| CN219013224U (en) | Detachable gearbox brake assembly structure | |
| CN219712278U (en) | Transmission shaft sealing device of speed reducer | |
| CN209354659U (en) | Mechanical sealing assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |