CN209724765U - A kind of Novel pump shaft sealing device - Google Patents
A kind of Novel pump shaft sealing device Download PDFInfo
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- CN209724765U CN209724765U CN201920511721.7U CN201920511721U CN209724765U CN 209724765 U CN209724765 U CN 209724765U CN 201920511721 U CN201920511721 U CN 201920511721U CN 209724765 U CN209724765 U CN 209724765U
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- lantern ring
- ring
- pump shaft
- sealing lip
- bushing
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Abstract
The utility model relates to kinetic pump manufacturing technology field, it is specifically related to a kind of Novel pump shaft sealing device and new pump.A kind of Novel pump shaft sealing device, including the first lantern ring, second lantern ring, seal assembly and positioning region, second lantern ring is sheathed on pump shaft, first set ring set is set on the second lantern ring, seal assembly is embedded in the first lantern ring and is fixedly linked with the first lantern ring, seal assembly includes the first sealing lip and at least five second sealing lips, first sealing lip is sheathed on pump shaft, second sealing lip sliding sleeve is set on the second lantern ring, the end of positioning region passes through the second lantern ring and is connected with the side of the first lantern ring, positioning region pushes the second lantern ring so that relative displacement occurs for the second lantern ring and the second sealing lip, second sealing lip slides on pump shaft.The utility model pushes the second lantern ring by positioning region, so that the second sealing lip slides into come into operation on pump shaft, to avoid the problem that inconvenient replacement is so that influence working efficiency after the second sealing lip is worn.
Description
Technical field
The utility model relates to kinetic pump manufacturing technology fields, are specifically related to a kind of Novel pump shaft sealing device.
Background technique
With the raising of quickening and the environmental requirement of process of industrialization, the conveying technology and leakage control of fluid are required also more
Add stringent.Pump is used as a kind of conveying equipment for fluid substances, is widely used in the industries such as chemical industry, papermaking.In actual use, motor drives
Pump shaft high speed rotation, so that impeller rotates, to generate negative pressure in the cavity, medium is inhaled under the action of negative pressure from entrance
Enter and is delivered to eminence.Due to being clearance fit between pump shaft and shell, for prevent fluid media (medium) from pump shaft and shell it
Between gap leak out, sealing element need to be set therebetween.
Mostly used greatly in existing market compressible filler seal or mechanical seal mode, however the sealing effect of compressible filler compared with
Difference is easy to cause dielectric leakage, and is not able to satisfy the requirement of the occasions such as toxic, inflammable, corrosion, and the structure of mechanical seal
Complicated and service life is shorter, needs to be replaced frequently, and replacement is inconvenient.
Utility model content
In order to solve the technical problem that sealing effect is poor in the related technology and service life is shorter, the utility model is implemented
Example provides a kind of Novel pump shaft sealing device, its object is to prevent dielectric leakage, enhances the service life of sealing device, mentions
The production efficiency of height pump simultaneously reduces production cost.
The utility model provides a kind of Novel pump shaft sealing device, including the first lantern ring, the second lantern ring, seal assembly and
Positioning region, the second lantern ring are sheathed on pump shaft, and first set ring set is set on the second lantern ring, and seal assembly is embedded in the first lantern ring
And be fixedly linked with the first lantern ring, seal assembly includes the first sealing lip and at least five second sealing lips, the first sealing lip set
On pump shaft, the second sealing lip sliding sleeve is set on the second lantern ring, and the end of positioning region passes through the second lantern ring and and first set
The side of ring is connected, and positioning region pushes the second lantern ring so that relative displacement, the second sealing occur for the second lantern ring and the second sealing lip
Lip slides on pump shaft.
Insulate flushing liquor by the first sealing lip and as auxiliary sealing member, the second sealing lip as primary seal, so as to
In when pump shaft rotates, the first sealing lip and the second sealing lip for being close in the first sealing lip direct plunge into use, this second
After sealing lip is worn, the second lantern ring is pushed by positioning region, moves the relative position of the second lantern ring and the second sealing lip, with
It slides into remaining second sealing lip on pump shaft successively to come into operation, to extend the service life of seal assembly, reduces replacement
The number of seal assembly avoids unnecessary replacement from wasting time, reduces working efficiency.
Optionally, the second sealing lip is equipped with lip chamber, and lip is intracavitary to be arranged with U-shaped spring, U-shaped spring opening towards with
Lip oral cavity opening is towards unanimously.
U-shaped spring is set in lip, and when the second sealing lip is sheathed on the second lantern ring, U-shaped spring is in compression shape
State, when the second sealing lip and the second lantern ring relatively move, after the second sealing lip slides on pump shaft, in U-shaped spring bullet
Under power effect, the second sealing lip is fitted tightly on pump shaft, between the lip and pump shaft outer surface to reduce by the second sealing lip
Gap increases the sealing performance of the second sealing lip, reduces slip.
Optionally, positioning region includes positioning column, the first fixed ring and multiple second fixed rings, and one end of positioning column passes through the
Two lantern rings are simultaneously abutted with the side of the first lantern ring, and the other end of positioning column is stretched out from the second lantern ring, and the first fixed ring and second is consolidated
Determine the extension end that ring is successively sheathed on positioning column, the first fixed ring is bonded setting with the side of the second lantern ring, the second fixed ring it
Between spacing and the first fixed ring and the second fixed ring between spacing it is equal.
By the setting to positioning column, the first fixed ring and the second fixed ring, convenient for by positioning column pass through the second lantern ring with
After first lantern ring abuts, its position relative to the first lantern ring and the second lantern ring is fixed, with not need replacement second close
When sealing lip, positioning column or so play is prevented；By the way that at least two second fixed rings are arranged, and it is made to be arranged at intervals at positioning column
Extension end, in order to limit the length for pushing positioning column every time, so that just what a the second sealing lip slides on pump shaft.
Optionally, one end of positioning column is equipped with external screw thread, and the second lantern ring is equipped with mounting hole, and mounting hole is internal thread hole,
For the male end of positioning column with mounting hole using being threadedly engaged and stretching out out of mounting hole, the other end of positioning column passes through second set
Ring and the side for being closely attached on the first lantern ring.
By the setting to positioning column and mounting hole, in order to push the second lantern ring by way of rotational positioning column, and
Prevent the first lantern ring reverse push from moving positioning column, it is reversely traversing to avoid seal assembly and the second bushing, to prevent from not being worn
Seal assembly part cannot come into operation.
Optionally, it is arranged with collection load on the first lantern ring, the side for collecting load is bonded with the side of the first lantern ring, positioning region
End sequentially pass through the second lantern ring sum aggregate load, to be abutted with the side of the first lantern ring.
By the setting to collection load, in order to which the end that collection load is fixed on the first lantern ring is connected, to avoid outer
The impurity such as boundary's dust enter in the cavity inside the first lantern ring, and then avoid pollution the pump shaft in it.
Optionally, packaging on piece is equipped with flushing hole, and the first lantern ring is equipped with inlet opening, and seal assembly is equipped with inlet,
Closeouts are inserted in flushing hole, flushing hole is connected to inlet opening, and inlet opening is connected to inlet.
By the setting to flushing hole and inlet opening, in order to when medium is toxic or when being solid particulate matter medium,
Flushing liquor is injected by flushing hole to insulate medium in pump.And the lip of the first sealing lip or the second sealing lip is flow to through inlet opening
In mouthful, so that medium be separated, prevent from damaging the first sealing lip or the second sealing lip；In addition, in order to as Jie in pump
When matter leaks, flushing liquor is injected by flushing hole and inlet opening, to clean to pump shaft.
Optionally, the first lantern ring is equipped with the first bushing and gland, and the first bushing and seal assembly are located at first set
The both ends of ring, the first bushing are embedded at the inside of the first lantern ring, and gland is connected with the first bushing and consolidates with the end of the first lantern ring
Even, it is embedded with the second bushing and baffle ring inside the second lantern ring, the second bushing is fixedly linked by baffle ring and the second lantern ring.
After being set on pump shaft in order to ensure first set ring set pump shaft to neutrality, in the first lining of the first collar end setting
Set, in addition, the first lantern ring is also equipped with pooling feature；By the setting to gland, in order to by the first bushing relative to first set
The position of ring is fixed；By the setting to the second bushing, after being sheathed on pump shaft to avoid the second lantern ring, pump shaft occurs radial
Bounce；By baffle ring to fix the second bushing.
Optionally, scraping ring is equipped with inside the first lantern ring, scraping ring is set between the first bushing and gland.
By the way that scraping ring is arranged between the first bushing and gland, in order to prevent biggish particle in medium from entering in cavity
So that the first bushing generates abrasion.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Utility model.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of Novel pump shaft sealing device provided by the utility model；
Fig. 2 is the structural schematic diagram of seal assembly shown in Fig. 1.
In figure: 100, the first lantern ring；110, inlet opening；111, the first inlet opening；112, the second inlet opening；120, first
Bushing；130, scraper plate；140, gland；200, the second lantern ring；210, the second bushing；220, baffle ring；300, seal assembly；310,
One sealing lip；311, inlet；320, the second sealing lip；321, lip；322, U-shaped spring；400, positioning region；410, it positions
Column；420, the second fixed ring；430, the first fixed ring；500, collect load；510, closeouts；520, flushing hole；530, nonmetallic
Gasket；540, O-ring seal；600, pump shaft.
Specific embodiment
The embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Mostly used greatly in existing market compressible filler seal or mechanical seal mode, however the sealing effect of compressible filler compared with
Difference is easy to cause dielectric leakage, and is not able to satisfy the requirement of the occasions such as toxic, inflammable, corrosion, and the structure of mechanical seal
Complicated and service life is shorter, needs to be replaced frequently, and replacement is inconvenient.
In order to solve the technical problem that sealing effect is poor in the related technology and service life is shorter, the utility model is implemented
Example, which provides a kind of Novel pump shaft sealing device and new pump, enhances making for sealing device its object is to prevent dielectric leakage
With the service life, improves the production efficiency of pump and reduce production cost.Below with reference to Fig. 1-Fig. 2 to the Novel pump shaft sealing device
Structure is illustrated.
As shown in Figure 1, the Novel pump shaft sealing device includes the first lantern ring 100, the second lantern ring 200,300 and of seal assembly
Positioning region 400, the second lantern ring 200 are sheathed on pump shaft 600, and the first lantern ring 100 is sheathed on the second lantern ring 200, seal assembly
300 are embedded in the first lantern ring 100 and are fixedly linked with the first lantern ring 100, and seal assembly 300 includes 310 He of the first sealing lip
At least five second sealing lips 320, the first sealing lip 310 are sheathed on pump shaft 600, and 320 sliding sleeve of the second sealing lip is set to the
On two lantern rings 200, the end of positioning region 400 passes through the second lantern ring 200 and is connected with the side of the first lantern ring 100, positioning region 400
The second lantern ring 200 is pushed so that relative displacement occurs for the second lantern ring 200 and the second sealing lip 320, the second sealing lip 320 slides into
It comes into operation after on pump shaft 600.
In the present embodiment, it is equipped with card slot in the first lantern ring 100, seal assembly 300 is set in card slot, the shape of card slot
It is matched and is arranged according to the shape of seal assembly 300.As shown in Fig. 2, in order to increase the sealing performance of the second sealing lip 320, second
Sealing lip 320 is equipped with lip chamber 321, and U-shaped spring 322, the U-shaped opening of spring 322 direction and lip are arranged in lip chamber 321
The opening of oral cavity 321 is towards unanimously.
In the present embodiment, the first sealing lip 310 is set on pump shaft 600 to completely cut off flushing liquor and make as auxiliary seal
With one second sealing lip for being close in the first sealing lip 310 is also disposed on pump shaft 600 and uses as primary seal, works as pump shaft
600 when being in high speed rotation state, and the first sealing lip 310 and the second sealing lip 320 for being close in the setting of the first sealing lip 310 are straight
It connects and comes into operation, after second sealing lip abrasion, positioning region 400 pushes the second lantern ring 200, so that next second sealing lip phase
Second lantern ring 200 is subjected to displacement to slide on pump shaft 600, the work of the lip of the second sealing lip 320 in U-shaped spring 322
It is fitted closely with lower with 600 outer surface of pump shaft to come into operation.
In order to reduce the number of replacement seal assembly 300, prolong its service life, 320 quantity of the second sealing lip can be
Five or more.
Optionally, seal assembly 300 is whole is made of polytetrafluoroethylene material, in order to make the first sealing lip 310 and/
Or second sealing lip 320 have good self-lubricating property and corrosion resistance.
For the ease of adjusting positioning region 400, positioning region 400 includes positioning column 410, the first fixed ring 430 and multiple second
Fixed ring 420, one end of positioning column 410 pass through the second lantern ring 200 and abut with the side of the first lantern ring 100, positioning column 410
The other end is stretched out from the second lantern ring 200, and the second fixed ring 420 and the first fixed ring 430 are successively sheathed on the stretching of positioning column 410
End, the first fixed ring 430 are bonded setting with the side of the first lantern ring 100, and the spacing and first between the second fixed ring 420 are solid
The spacing determined between ring 430 and the second fixed ring 420 is equal.In actual design process, the quantity root of the second fixed ring 420
It is arranged according to the quantity Matching of the second sealing lip 320, the spacing between any two adjacent second fixed ring 420 is according to the second sealing lip
Pitch match setting between 320 thickness and any two adjacent second sealing lip 320.
One end of positioning column 410 is equipped with external screw thread, and the second lantern ring 200 is equipped with mounting hole, and mounting hole is internal thread hole, fixed
The male end of position column 410 and mounting hole are using being threadedly engaged and stretch out out of mounting hole, and the other end of positioning column 410 is across the
Two lantern rings 200 are simultaneously abutted with the side of the first lantern ring 100.
In the present embodiment, the second fixed ring 420 is to set cyclic structure jaggy, second fixed ring at notch both ends
It is respectively equipped with threaded hole on 420, after the second fixed ring 420 is sheathed in fixed column 410, the fasteners such as screw or bolt are locked
Tightly in the threaded hole at notch both ends, to be fixed in fixed column 410.In this application, the structure of the first fixed ring 430 can
Referring to the structure setting of the second fixed ring 420.
It in the actual operation process, first will be with the after the second sealing lip 320 for being close in the first sealing lip 310 is worn
First fixed ring 430 of two lantern rings, 200 side fitting is disassembled from positioning column 410, then rotational positioning column 410, due to the
One lantern ring 100 is fixed on the sealed letter end face of pump body, therefore under being threadedly engaged of positioning column 410 and mounting hole, the
Two lantern rings 200 occur along positioning column 410 it is traversing, be close in the second fixed ring of the first fixed ring 430 side and the second lantern ring
200 side fitting, another second sealing lip slides on pump shaft 600 to come into operation, after second sealing lip abrasion, weight
Multiple above-mentioned steps, another second sealing lip is come into operation.
In general, being arranged with collection load 500 on the first lantern ring 100, collect the side and the one of the first lantern ring 100 of load 500
Side fitting, the end of positioning region 400 is sequentially passed through 200 sum aggregate load 500 of the second lantern ring, is supported with the side with the first lantern ring 100
It connects.
In the present embodiment, the first lantern ring 100 is fixed in the pump housing by collection load 500 by fasteners such as screw or bolts
On the sealed letter end face in portion, stepped hole is equipped in collection load 500, the first lantern ring 100 includes major diameter lantern ring and path lantern ring, major diameter
Lantern ring is arranged in the bigger diameter end of stepped hole, and path lantern ring is fixedly linked with major diameter lantern ring.Furthermore, major diameter lantern ring
Width is matched according to the hole depth of stepped hole bigger diameter end to be arranged, so that after major diameter lantern ring is arranged in the bigger diameter end of stepped hole, major diameter
The side of lantern ring is flushed with collection 500 side of load.
The side that major diameter lantern ring is flushed with collection load 500 is equipped with non-metallic gasket 530, to prevent Novel pump shaft sealing dress
It installs after being placed in pump body, major diameter lantern ring directly contacts with pump body sealed letter end face and causes to wear.In this application,
One lantern ring, 100 sum aggregate load 500 is made of stainless steel.
Fit clearance after collection load 500 is sheathed on the first lantern ring 100 in order to prevent between the first lantern ring 100 enters
The junction of extraneous dust, the first lantern ring 100 and collection 500 stepped hole bigger diameter end inner wall of load is equipped with O-ring seal 540.
When medium is toxic or particulate matter medium, medium generates micro-leakage in order to prevent, collects and sets on load 500
There is a flushing hole 520, the first lantern ring 100 is equipped with inlet opening 110, and seal assembly 300 is equipped with inlet 311, in flushing hole 520
Closeouts 510 are inserted with, flushing hole 510 is connected to inlet opening 110, and inlet opening 110 is connected to inlet 311.Specifically, into
Liquid mouth 311 is set on the first sealing lip 310.
In specific implementation, cleaning solution is injected from flushing hole 510, and is successively flowed through inlet opening 110 and inlet 311
To the first sealing lip 310 lip chamber or the second sealing lip 320 lip chamber 321 in, thus by medium and the first sealing lip 310
Lip or the lip 321 of the second sealing lip 320 separate.It, can also be by flushing hole in addition, if medium is when leaking in pumping
510, inlet opening 110 and inlet 311 inject flushing liquor, to the pump shaft penetrated in the first lantern ring 100 and the second lantern ring 200
600 are cleaned.
In general, flushing hole 520 can be internal thread hole, closeouts 510 are that outside sets threaded plug screw；Alternatively, punching
Hole flushing 520 can be the through-hole of interior smooth, and closeouts 510 are the blocking of outer smooth.In storage transportational process, closeouts
510 are placed in flushing hole 520, to prevent extraneous dust impurity from entering；When coming into operation, by closeouts 510 from flushing hole 520
Interior removal, in order to connect flushing liquor.
Optionally, inlet opening 110 includes being sequentially connected the first inlet opening 111 and the second inlet opening 112, the first inlet opening
111 are arranged in parallel and radial vertical with pump shaft 600 with inlet 311, the second inlet opening 112 and the first inlet opening 111 and feed liquor
Mouth 311 is vertical and radial parallel with pump shaft 600.
After being sheathed on pump shaft 600 in order to ensure the first lantern ring 100 pump shaft 600 to neutrality, set on the first lantern ring 100
There are the first bushing 120 and a gland 140, the first bushing 120 is located at the both ends of the first lantern ring 100 with seal assembly 300, and first
Bushing 120 is embedded at the inside of the first lantern ring 100, and gland 140 is connected with the first bushing 120 and the end with the first lantern ring 100
It is connected, the second bushing 210 and baffle ring 220 is embedded with inside the second lantern ring 200, the second bushing 210 passes through baffle ring 220 and second set
Ring 200 is fixedly linked.In this application, the first bushing 120 is made of polyetheretherketonematerials materials, and the second bushing 210 uses poly- four
Fluoride material is made, and baffle ring 220 is made of nylon material.
In the present embodiment, be additionally provided with scraping ring 130 inside the first lantern ring 100, scraping ring 130 be set to the first bushing 120 with
Between gland 140, it is equipped with the second groove in the first lantern ring 100, the first bushing 120 is arranged in the second groove, and the one of scraping ring 130
Side is bonded the side of the first bushing 120, and gland 140 is bonded the other side of link 130, and passes through the fasteners such as screw or bolt
It is fixed on the end of the first lantern ring 100.
In conclusion the utility model is by setting the first lantern ring, the second lantern ring, the first sealing lip and the second sealing lip
It sets, in order to which when pump shaft rotates, the first sealing lip and the second sealing lip for being close in the first sealing lip direct plunge into use, In
After second sealing lip is worn, the second lantern ring is pushed by positioning region, it is opposite with the second sealing lip to change the second lantern ring
It, to extend the service life of seal assembly, is reduced more so that another second sealing lip slides on pump shaft and comes into operation position
Change the number of sealing lip；By the setting to positioning region, first is that can fix the first lantern ring, the second lantern ring sum aggregate load it is opposite
Position, second is that it is traversing to push the second lantern ring that it be made to occur relative to the second sealing lip by positioning region, to make second close
Envelope lip contacts to come into operation with pump shaft.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The above are only specific embodiments of the present invention, but the technical characteristics of the utility model is not limited thereto, and appoints
In the field of the utility model, made changes or modifications all cover in the special of the utility model what those skilled in the art
Among sharp range.
Claims (8)
1. a kind of Novel pump shaft sealing device, which is characterized in that including the first lantern ring, the second lantern ring, seal assembly and positioning region,
Second lantern ring is sheathed on pump shaft, and the first set ring set is set on second lantern ring, and the seal assembly is embedded at
It is fixedly linked in first lantern ring and with first lantern ring, the seal assembly includes the first sealing lip and at least five the
Two sealing lips, first sealing lip are sheathed on the pump shaft, and the second sealing lip sliding sleeve is set to second lantern ring
On, the end of the positioning region passes through second lantern ring and is connected with the side of first lantern ring, and the positioning region pushes
So that relative displacement occurs for second lantern ring and second sealing lip, second sealing lip slides into second lantern ring
On the pump shaft.
2. a kind of Novel pump shaft sealing device according to claim 1, which is characterized in that second sealing lip is equipped with
Lip chamber, the lip is intracavitary to be arranged with U-shaped spring, and the U-shaped spring opening direction is with the lip oral cavity opening towards unanimously.
3. a kind of Novel pump shaft sealing device according to claim 1, which is characterized in that the positioning region includes positioning
Column, the first fixed ring and multiple second fixed rings, one end of the positioning column pass through second lantern ring and with the first lantern ring
Side abuts, and the other end of the positioning column is stretched out from second lantern ring, second fixed ring and first fixed ring
Successively it is sheathed on the extension end of the positioning column, first fixed ring is bonded setting with the side of second lantern ring, and second
Spacing and first fixed ring between fixed ring is equal with the spacing between the second fixed ring.
4. a kind of Novel pump shaft sealing device according to claim 3, which is characterized in that one end of the positioning column is equipped with
External screw thread, second lantern ring are equipped with mounting hole, and the mounting hole is internal thread hole, the male end of the positioning column and institute
Mounting hole is stated using being threadedly engaged and stretching out out of described mounting hole, the other end of the positioning column sequentially passes through described second set
Ring and the side for being closely attached on first lantern ring.
5. a kind of Novel pump shaft sealing device according to claim 1, which is characterized in that be arranged on first lantern ring
Collect load, the side of the collection load is bonded with the side of the first lantern ring, and the end of the positioning region sequentially passes through described second
Lantern ring and the collection load, to be abutted with the side of first lantern ring.
6. a kind of Novel pump shaft sealing device according to claim 5, which is characterized in that the packaging on piece, which is equipped with, rinses
Hole, first lantern ring are equipped with inlet opening, and the seal assembly is equipped with inlet, is inserted with closure in the flushing hole
Part, the flushing hole are connected to the inlet opening, and the inlet opening is connected to the inlet.
7. a kind of Novel pump shaft sealing device according to claim 1, which is characterized in that first lantern ring is equipped with the
One bushing and gland, the first bushing and the seal assembly are located at the both ends of first lantern ring, and first bushing is embedding
Set on the inside of first lantern ring, the gland is connected with first bushing and is connected with the end of first lantern ring,
The second bushing and baffle ring are embedded with inside second lantern ring, second bushing is solid by the baffle ring and second lantern ring
It is fixed to be connected.
8. a kind of Novel pump shaft sealing device according to claim 7, which is characterized in that be equipped with inside first lantern ring
Scraping ring, the scraping ring are set between first bushing and the gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920511721.7U CN209724765U (en) | 2019-04-16 | 2019-04-16 | A kind of Novel pump shaft sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920511721.7U CN209724765U (en) | 2019-04-16 | 2019-04-16 | A kind of Novel pump shaft sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209724765U true CN209724765U (en) | 2019-12-03 |
Family
ID=68691729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920511721.7U Active CN209724765U (en) | 2019-04-16 | 2019-04-16 | A kind of Novel pump shaft sealing device |
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| Country | Link |
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| CN (1) | CN209724765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206751A (en) * | 2019-04-16 | 2019-09-06 | 上海威纳工程技术有限公司 | A kind of Novel pump shaft sealing device |
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2019
- 2019-04-16 CN CN201920511721.7U patent/CN209724765U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206751A (en) * | 2019-04-16 | 2019-09-06 | 上海威纳工程技术有限公司 | A kind of Novel pump shaft sealing device |
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