CN208123448U - A kind of pump uses single-end surface mechanical sealing device - Google Patents
A kind of pump uses single-end surface mechanical sealing device Download PDFInfo
- Publication number
- CN208123448U CN208123448U CN201820571026.5U CN201820571026U CN208123448U CN 208123448 U CN208123448 U CN 208123448U CN 201820571026 U CN201820571026 U CN 201820571026U CN 208123448 U CN208123448 U CN 208123448U
- Authority
- CN
- China
- Prior art keywords
- ring
- fixing seat
- sealing device
- sealing
- drive shaft
- 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 - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 73
- 210000004907 gland Anatomy 0.000 claims abstract description 21
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of pump single-end surface mechanical sealing devices,Including pump drive shaft,Screw fixing seat,Sealing device,Seal room,Rotating ring,Gland,Protrusion,Stationary ring and stop pin fixing seat,The upper face of pump drive shaft is equipped with sealing device,One side surface of the sealing device is connected with gland,The sealing device is internally provided with sealing room,The interior side of the sealing room is provided with screw fixing seat,The bottom surface of the screw fixing seat and the upper face of pump drive shaft fit,One side surface of the screw fixing seat is welded with spring fixed seat,The side of the spring fixed seat is provided with rotating ring,The utility model squeezes rotating ring by spring,To improve the deformation quantity of seal ring of moving ring,Increase seal ring of moving ring and the pump exposure level of drive shaft,Seal ring of moving ring is avoided to wear after prolonged use,The problem of causing seal ring of moving ring that can not be completely attached to pump with drive shaft surface.
Description
Technical field
The utility model relates to single-end surface mechanical sealing device technical field, specifically a kind of pump uses single mechanical end face seal
Device.
Background technique
Mechanical seal refers to by least a pair of end face perpendicular to rotation axis in Fluid pressure and compensation mechanism elastic force
The device for preventing fluid from leaking for being bonded and constituting with respect to sliding is kept under effect and under the cooperation of auxiliary seal.
The mechanical seal that single mechanical end face seal is made of a pair of of seal face has simple sealing structure, manufacture and peace
The easy feature of dressing.
Traditional mechanically-sealing apparatus being exclusively used in pump drive shaft passes through the magnitude of interference of seal ring of moving ring when in use
Drive shaft is held tightly to drive entire moving sealing ring, although structure is simple, seal ring of moving ring is excessive after prolonged use
Abrasion, seal ring of moving ring are not easy to hold drive shaft tightly, cause to skid between drive shaft and rotating ring.
Utility model content
It is in the prior art to solve the purpose of this utility model is to provide a kind of pump single-end surface mechanical sealing device
Problem.
To achieve the above object, the utility model provides the following technical solutions：A kind of pump single-end surface mechanical sealing device,
It is fixed including pump drive shaft, screw fixing seat, sealing device, sealing room, rotating ring, gland, protrusion, stationary ring and stop pin
Seat, the upper face of pump drive shaft are equipped with sealing device, and a side surface of the sealing device is connected with gland, institute
That states sealing device is internally provided with sealing room, and the interior side of the sealing room is provided with screw fixing seat, and the screw is solid
The bottom surface of reservation and the upper face of pump drive shaft fit, and a side surface of the screw fixing seat is welded with spring
Fixing seat, the side of the spring fixed seat are provided with rotating ring, the bottom surface of the rotating ring and the top table of drive shaft
Face fits, and the surface side of the spring fixed seat is connected with spring, and one end of the spring is against the surface one of rotating ring
On side, the interior side of the gland is equipped with stationary ring, and the side of the stationary ring is provided with stop pin fixing seat, described anti-
The inside for fixing seat of shipping and reselling on another market is equipped with stop pin, and one end of the stop pin extends into the inside of stationary ring, the stationary ring
Another side surface and the surface of rotating ring fit, and the bottom of the rotating ring is provided with seal ring of moving ring, the stationary ring
One upper lateral part is equipped with stationary ring sealing ring.
Preferably, a upper lateral part of the sealing device is provided with card slot, and a upper lateral part of the gland is provided with protrusion,
The protrusion is inserted in the inside of card slot.
Preferably, a upper lateral part of the gland is equipped with sealing ring, and the sealing ring is on the top of protrusion.
Preferably, the inside of the screw fixing seat is equipped with fastening screw.
Compared with prior art, the utility model has the beneficial effects that：Rotating ring is squeezed by spring, to improve rotating ring
The deformation quantity of sealing ring increases seal ring of moving ring and the pump exposure level of drive shaft, seal ring of moving ring is avoided to make for a long time
With rear abrasion, the problem of causing seal ring of moving ring that can not be completely attached to pump with drive shaft surface, pass through the side of sealing device
Top is provided with card slot, and a upper lateral part of gland is provided with protrusion, and protrusion is inserted in the inside of card slot, to improve sealing room
Sealing effect is equipped with sealing ring by a upper lateral part of gland to further increase the sealing effect of sealing room, passes through spiral shell
The inside of nail fixing seat is equipped with fastening screw, is stuck in screw fixing seat firmly on the surface of pump drive shaft, keeps away
Screwless fixing seat follows rotating ring to rotate together.
Detailed description of the invention
Fig. 1 is the whole interior structural schematic diagram of the utility model.
In figure：1- pump drive shaft, 2- screw fixing seat, 3- fastening screw, 4- sealing device, 5- spring fixed seat, 6-
Spring, 7- sealing room, 8- rotating ring, 9- seal ring of moving ring, 10- card slot, 11- sealing ring, 12- gland, 13- protrusion, 14- stationary ring
Sealing ring, 15- stationary ring, 16- stop pin, 17- stop pin fixing seat.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, in the utility model embodiment, a kind of pump single-end surface mechanical sealing device, including pump driving
Axis 1, screw fixing seat 2, sealing device 4, sealing room 7, rotating ring 8, gland 12, protrusion 13, stationary ring 15 and stop pin are fixed
Seat 17, the pump is equipped with sealing device 4 with the upper face of drive shaft 1, and a side surface of the sealing device 4 is connected with pressure
Lid 12, the sealing device 4 are internally provided with sealing room 7, and the interior side of the sealing room 7 is provided with screw fixing seat 2,
The bottom surface and pump of the screw fixing seat 2 are fitted with the upper face of drive shaft 1, the side of the screw fixing seat 2
Surface is welded with spring fixed seat 5, and the side of the spring fixed seat 5 is provided with rotating ring 8, the bottom table of the rotating ring 8
Face and the upper face of drive shaft 1 fit, and the surface side of the spring fixed seat 5 is connected with spring 6, the spring 6
One end is against on the surface side of rotating ring 8, and the interior side of the gland 12 is equipped with stationary ring 15, the stationary ring 15
Side is provided with stop pin fixing seat 17, and the inside of the stop pin fixing seat 17 is equipped with stop pin 16, the stop pin 16
One end extend into the inside of stationary ring 15, another side surface of the stationary ring 15 and the surface of rotating ring 8 fit, described
The bottom of rotating ring 8 is provided with seal ring of moving ring 9, and a upper lateral part of the stationary ring 15 is equipped with stationary ring sealing ring 14, passes through
Spring 6 squeezes rotating ring 8, to improve the deformation quantity of seal ring of moving ring 9, increases connecing for seal ring of moving ring 9 and pump drive shaft 1
Touching degree avoids seal ring of moving ring 9 from wearing after prolonged use, causes seal ring of moving ring 9 can not be with 1 surface of pump drive shaft
The problem of full contact.
A upper lateral part of the sealing device 4 is provided with card slot 10, a upper lateral part of the gland 12 is provided with convex
It plays 13, described raised 13 and is inserted in the inside of card slot 10, to improve the sealing effect of sealing room 7.
Sealing ring 11 is installed by a upper lateral part of the gland 12, the sealing ring 11 on the top of protrusion 13, from
And improve the sealing effect of sealing room 7.
Fastening screw 3 is installed by the inside of the screw fixing seat 2, is stuck in screw fixing seat 2 firmly
On the surface of pump drive shaft 1, avoid screw fixing seat 2 that rotating ring 8 is followed to rotate together.
The working principle of the utility model is：Rotating ring 8 is squeezed by spring 6, to improve the deformation of seal ring of moving ring 9
Amount increases seal ring of moving ring 9 and the pump exposure level of drive shaft 1, seal ring of moving ring 9 is avoided to wear after prolonged use,
It the problem of causing seal ring of moving ring 9 that can not completely attach to 1 surface of pump drive shaft, is set by a upper lateral part of sealing device 4
It is equipped with card slot 10, a upper lateral part of gland 12 is provided with protrusion 13, and protrusion 13 is inserted in the inside of card slot 10, to improve sealing
The sealing effect of room 7 is equipped with sealing ring 11 by a upper lateral part of gland 12 to further increase the sealing of sealing room 7 and imitate
Fruit is equipped with fastening screw 3 by the inside of screw fixing seat 2, screw fixing seat 2 is allow firmly to be stuck in pump drive shaft
On 1 surface, avoid screw fixing seat 2 that rotating ring 8 is followed to rotate together.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range 0 are embraced therein.It should not treat any reference in the claims as limiting
Claim involved in making.
Claims (4)
1. a kind of pump single-end surface mechanical sealing device, including pump drive shaft（1）, screw fixing seat（2）, sealing device（4）,
Seal room（7）, rotating ring（8）, gland（12）, protrusion（13）, stationary ring（15）With stop pin fixing seat（17）, feature exists
In：The pump uses drive shaft（1）Upper face sealing device is installed（4）, the sealing device（4）A side surface connection
There is gland（12）, the sealing device（4）Be internally provided with sealing room（7）, the sealing room（7）Interior side be provided with
Screw fixing seat（2）, the screw fixing seat（2）Bottom surface and pump drive shaft（1）Upper face fit, it is described
Screw fixing seat（2）A side surface be welded with spring fixed seat（5）, the spring fixed seat（5）Side be provided with rotation
Ring（8）, the rotating ring（8）Bottom surface and drive shaft（1）Upper face fit, the spring fixed seat（5）'s
Surface side is connected with spring（6）, the spring（6）One end be against rotating ring（8）Surface side on, the gland（12）
Interior side stationary ring is installed（15）, the stationary ring（15）Side be provided with stop pin fixing seat（17）, described anti-
It ships and resell on another market fixing seat（17）Inside stop pin is installed（16）, the stop pin（16）One end extend into stationary ring（15）It is interior
Portion, the stationary ring（15）Another side surface and rotating ring（8）Surface fit, the rotating ring（8）Bottom setting
There is seal ring of moving ring（9）, the stationary ring（15）A upper lateral part stationary ring sealing ring is installed（14）.
2. a kind of pump single-end surface mechanical sealing device according to claim 1, it is characterised in that：The sealing device
（4）A upper lateral part be provided with card slot（10）, the gland（12）A upper lateral part be provided with protrusion（13）, the protrusion（13）
It is inserted in card slot（10）Inside.
3. a kind of pump single-end surface mechanical sealing device according to claim 1, it is characterised in that：The gland（12）'s
One upper lateral part is equipped with sealing ring（11）, the sealing ring（11）In protrusion（13）Top.
4. a kind of pump single-end surface mechanical sealing device according to claim 1, it is characterised in that：The screw fixing seat
（2）Inside fastening screw is installed（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820571026.5U CN208123448U (en) | 2018-04-20 | 2018-04-20 | A kind of pump uses single-end surface mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820571026.5U CN208123448U (en) | 2018-04-20 | 2018-04-20 | A kind of pump uses single-end surface mechanical sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208123448U true CN208123448U (en) | 2018-11-20 |
Family
ID=64191036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820571026.5U Expired - Fee Related CN208123448U (en) | 2018-04-20 | 2018-04-20 | A kind of pump uses single-end surface mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208123448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197005A (en) * | 2020-10-12 | 2021-01-08 | 江门市新会区天府密封科技有限公司 | Mechanical seal sliding diameter dynamic seal structure |
| CN112502994A (en) * | 2020-11-27 | 2021-03-16 | 瑞声新能源发展(常州)有限公司科教城分公司 | Miniature water pump and electronic equipment |
-
2018
- 2018-04-20 CN CN201820571026.5U patent/CN208123448U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197005A (en) * | 2020-10-12 | 2021-01-08 | 江门市新会区天府密封科技有限公司 | Mechanical seal sliding diameter dynamic seal structure |
| CN112502994A (en) * | 2020-11-27 | 2021-03-16 | 瑞声新能源发展(常州)有限公司科教城分公司 | Miniature water pump and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 |