CN208831318U - It is a kind of level in open centrifugal pump shaft seal structure - Google Patents
It is a kind of level in open centrifugal pump shaft seal structure Download PDFInfo
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- CN208831318U CN208831318U CN201821475925.1U CN201821475925U CN208831318U CN 208831318 U CN208831318 U CN 208831318U CN 201821475925 U CN201821475925 U CN 201821475925U CN 208831318 U CN208831318 U CN 208831318U
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Abstract
The utility model embodiment is related to opening centrifugal pump shaft seal structure in a kind of level, and opening centrifugal pump shaft seal structure in the level includes: pump shaft, pump cover, the pump housing, general seal, packing sleeve, filler, packing ring and two points of half formula glands；The packing sleeve is cylindrical, is socketed on the pump shaft；The cross section of the general seal is to be inverted convex shape, is installed on the pump cover and the pump housing by multiple connection bolts；The filler device is between the packing sleeve and the general seal, and one end of the filler is connected on the general seal；The packing ring is installed between the packing sleeve and the general seal, is placed in the filler；A point half formula gland described in two is connected to each other, and is mounted between the packing sleeve and the general seal；The other end of the filler is abutted on described point of half formula gland.The utility model assembling is more convenient, and sealing means interchangeability is good, reduces part management cost.
Description
Technical field
The utility model relates to open centrifugal pump shaft seal structure in centrifugal pumping apparatus technical field more particularly to a kind of level.
Background technique
Centrifugal pump is opened in level has the characteristics that flow is big, operation is metastable, is widely used in municipal water conservancy, steel smelting
The fields such as gold and water factory, power plant.As the important core component of horizontal split pump, the pump housing, pump cover are using the structure opened in level
Form, consequent in open face leakproofness and two sides shaft end seal quality whether, to the hydraulic performance of entire pump group
And integrated operation performance suffers from vital influence.Therefore, sealing structure of shaft end mode and form are to ensure that pump group is efficient
The key factor of stable operation.
Open there are mainly two types of centrifugal pump seal frame modes in existing level: packing seal and mechanical seal, two kinds close
The components of envelope form do not have interchangeability, and user replaces that sealing means are sufficiently complex and higher cost at the scene.Also, it is existing to fill out
Expect in axle envelope mode, the phenomenon that packing sleeve leakproofness is poor and frequent appearance positioning is inaccurate and axial float, packing seal needs
Filler is regularly replaced, existing gland is monolithic construction, need to be dismantled from spindle nose, therefore demolition and maintenance are cumbersome time-consuming, maintenance
Higher cost.
Utility model content
The purpose of this utility model is in view of the problems of the existing technology, to provide a kind of assembling more convenient, sealing means
Interchangeability is good, improves the standardization and the degree of modularity of part, reduces and open centrifugal pump shaft seal structure in the level of cost.
To achieve the above object, in a first aspect, the utility model provide it is a kind of level in open centrifugal pump shaft seal structure, institute
State opened in level centrifugal pump shaft seal structure include: pump shaft, pump cover, the pump housing, general seal, packing sleeve, filler, packing ring and
Two points of half formula glands；
The packing sleeve is cylindrical, is socketed on the pump shaft；It is equipped between the packing sleeve and the pump shaft
Second sealing ring；
The cross section of the general seal is to be inverted convex shape, is installed on the pump cover and institute by multiple connection bolts
It states on the pump housing；
The filler device is between the packing sleeve and the general seal, and one end of the filler is connected to
On the general seal；
The packing ring is installed between the packing sleeve and the general seal, is placed in the filler；
A point half formula gland described in two is connected to each other, and is mounted between the packing sleeve and the general seal；
Described point of half formula gland includes compressed part, two to lug and transition connection portion；
The compressed part is installed between the packing sleeve and the general seal；The filler
The other end be connected on the medial surface of the compressed part；
Two both ends that the compressed part is respectively arranged to lug；Two described to lug pass
It is symmetrical arranged in the symmetry axis of the compressed part, and is arranged about the axial offset of the compressed part；
The transition connection portion is connected to the compressed part and described between lug.
Preferably, point half the described of formula gland described in two is mutually butted lug, and is carried out by connecting stud
It is fixedly connected, so that a point half formula gland described in two is mounted between the packing sleeve and the general seal.
Preferably, one end on the horizontal component of the general seal far from vertical portion is provided with axial seal grooves；Institute
It states one end in the vertical portion of general seal close to horizontal component and is provided with radial seal groove；Axial seal grooves and described
The first sealing ring is equipped in radial seal groove.
It is further preferred that first sealing ring and second sealing ring are rubber seal.
Preferably, axially position is carried out by multiple holding screws between the packing sleeve and the pump shaft, and passes through C
Type key carries out circumferential registration.
Second aspect, the utility model additionally provide in a kind of level and open centrifugal pump shaft seal structure, opened in the level from
Heart pump shaft seal structure includes: pump shaft, pump cover, the pump housing, general seal, mechanical seal and machine sealed cover；
The cross section of the general seal is to be inverted convex shape, is installed on the pump cover and institute by multiple connecting studs
It states on the pump housing；
The mechanical seal is set between the pump shaft and the general seal, and one end of the mechanical seal is supported
It is connected on the general seal；
The machine sealed cover is installed on one end of the general seal by the connecting stud；On the machine sealed cover
The other end for abutting the mechanical seal compresses the mechanical seal to close.
Preferably, one end on the horizontal component of the general seal far from vertical portion is provided with axial seal grooves；Institute
It states one end in the vertical portion of general seal close to horizontal component and is provided with radial seal groove；Axial seal grooves and described
The first sealing ring is provided in radial seal groove.
Preferably, the second sealing is equipped between the machine sealed cover and the general seal and the mechanical seal
Circle.
Centrifugal pump shaft seal structure is opened in level provided by the embodiment of the utility model, makes to open centrifugal pump seal hyte in level
It is more convenient to fill, and sealing means interchangeability is good, and the design of general seal substantially improves the standardization and the degree of modularity of part,
Part management cost, more accurate positioning, good seal performance are reduced, and ensures and opens centrifugal pump seal using in the application level
The pump group operation hydraulic performance and operation stability of structure are preferable, and the test parameter of vibration and noise is small, dismounts easy to maintain.This
Outside, point half formula gland in packing seal mode is designed using specific structure, makes the dismounting maintenance of centrifugal pump shaft seal structure
It is more convenient, largely save later period replacement filler and maintenance cost.
Detailed description of the invention
Fig. 1 is the structure that the packing seal mode of centrifugal pump shaft seal structure is opened in level provided by the embodiment of the utility model
Schematic diagram；
Fig. 2 is that the structure for the general seal for opening centrifugal pump shaft seal structure in level provided by the embodiment of the utility model is shown
It is intended to；
Fig. 3 is that the A-A for the general seal for opening centrifugal pump shaft seal structure in level provided by the embodiment of the utility model is cutd open
View；
Fig. 4 is the sectional structure that the packing sleeve of centrifugal pump shaft seal structure is opened in level provided by the embodiment of the utility model
Schematic diagram；
Fig. 5 is the A-A section view that the packing sleeve of centrifugal pump shaft seal structure is opened in level provided by the embodiment of the utility model
Figure；
Fig. 6 is the C-C section view that the packing sleeve of centrifugal pump shaft seal structure is opened in level provided by the embodiment of the utility model
Figure；
Fig. 7 is the knot that point half formula gland of centrifugal pump shaft seal structure is opened in level provided by the embodiment of the utility model
Structure schematic diagram；
Fig. 8 is the A- that point half formula gland of centrifugal pump shaft seal structure is opened in level provided by the embodiment of the utility model
A cross-sectional view；
Fig. 9 is the structure that the mechanical seal mode of centrifugal pump shaft seal structure is opened in level provided by the embodiment of the utility model
Schematic diagram.
Specific embodiment
Below by drawings and examples, the technical solution of the utility model is described in further detail.
The utility model embodiment is related to opening centrifugal pump shaft seal structure in the level provided, makes to open centrifugal pump seal in level
Hyte dress is more convenient, and sealing means interchangeability is good, and the design of general seal substantially improves the standardization and modularization of part
Degree reduces part management cost, more accurate positioning, good seal performance, and ensures and open centrifugation using in the application level
The pump group operation hydraulic performance and operation stability of pump shaft seal structure are preferable, and the test parameter of vibration and noise is small, dismounting maintenance
It is convenient.
It is understood that following described specific embodiments are only used for explaining the utility model, rather than it is practical to this
Novel restriction.Centrifugal pump seal frame mode, which is opened, in existing level is broadly divided into packing seal and two kinds of mechanical seal, this
Utility model embodiment had both provided in the level of packing seal mode and has opened centrifugal pump shaft seal structure, also provided mechanical seal side
Centrifugal pump shaft seal structure is opened in the level of formula, and part between the two is general, sealing means interchangeability is good, at the scene more
It changes that sealing means are more simple and convenient, and reduces the cost of replacement sealing means.
It is introduced respectively to opening centrifugal pump shaft seal structure in the level of packing seal and mechanical seal two ways below.
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 be respectively it is provided by the embodiment of the utility model level in open from
The structural schematic diagram of the packing seal mode of heart pump shaft seal structure, the structural schematic diagram of general seal, general seal A-A
Cross-sectional view, the schematic cross-sectional view of packing sleeve, the A-A cross-sectional view of packing sleeve, the C-C cross-sectional view of packing sleeve, point half
The A-A cross-sectional view of the structural schematic diagram of formula gland and point half formula gland.In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, figure
6, it shown in Fig. 7 and Fig. 8, is introduced to centrifugal pump shaft seal structure is opened in the level of packing seal mode:
It includes: pump shaft that centrifugal pump shaft seal structure is opened in the level of packing seal mode provided by the utility model embodiment
108, pump cover 107, the pump housing 104, shield 101, general seal 105, packing sleeve 114, filler 112,113 and of packing ring
Two points of half formula glands 111.
Specifically, pump shaft 108, pump cover 107 and the pump housing 104 constitute the main structure of pump group, and pass through 101 distich of shield
Axis device part is protected.Wherein, pump shaft 108 is the transmission load bearing component of pump group, is provided in pump group rotor part operation process
Tension, the functions such as antitorque.
Packing sleeve 114 protects pump shaft 108 not frayed, and surface hardness is preferably in HRC40 or more.It is detailed, such as scheme
4, shown in Fig. 5 and Fig. 6, packing sleeve 114 is cylindrical, equidistant on the circumferential surface of one end to be uniformly provided with multiple through-holes
(not marked in figure), for the fixed installation of holding screw 102, meanwhile, keyway is provided on the inner surface of the other end (in figure
Do not mark), the fixed installation for c-type key 116.Packing sleeve 114 is socketed on pump shaft 108, and the one end for being provided with keyway is adopted
It is positioned with the shaft shoulder, and by installation c-type key 116, circumferential registration is carried out between packing sleeve 114 and pump shaft 108, the other end passes through
The multiple holding screws 102 being arranged in through-hole, carry out axially position between packing sleeve 114 and pump shaft 108, prevent filler axis
Relative motion occurs between set 114 and pump shaft 108, solves the problems, such as to position inaccurate and axial float in packing seal mode.
In a specific implementation process, it is equipped with the second sealing ring 110 between packing sleeve 114 and pump shaft 108, prevents
Transmission medium is along axial leakage.Preferably, the second sealing ring 110 selects rubber seal.
General seal 105 is the important spare part of axle envelope position, prevent packing seal component by transmission medium washed away with
And damage of the impurity such as iron wire, silk thread to packing seal component, guarantee packing seal component steady operation.It is detailed, such as Fig. 2 and
Shown in Fig. 3, the cross section of general seal 105 is to be inverted convex shape, equidistant on the circumferencial direction of interconnecting piece to be uniformly provided with
Multiple location holes (not marking in figure) and threaded hole (not marking in figure), location hole assist the installation of general seal 105 to position,
Threaded hole is used to connect the installation of bolt 103.General seal 105 by multiple connection bolts 103 be installed on pump cover 107 and
On the pump housing 104.
Meanwhile one end on the horizontal component of general seal 105 far from vertical portion is provided with axial seal grooves, it is general close
It seals one end in the vertical portion of body 105 close to horizontal component and is provided with radial seal groove, in axial seal grooves and radial seal groove
It is equipped with the first sealing ring 106, the first sealing ring 106 is set between general seal 105 and pump cover 107 and the pump housing 104, is prevented
Only transmission medium radially, axial leakage.Preferably, the first sealing ring 106 selects rubber seal.
Filler 112 is the component that seals in the shaft seal structure, and filler 112 is installed on packing sleeve 114 and general
Between seal 105, and one end of filler 112 is connected on general seal 105, and the other end is connected to a point half formula gland
On 111, so that filler compression is set between packing sleeve 114 and general seal 105, sealing function is played.
Packing ring 113 is that the component for rinsing cooling effect is acted in the shaft seal structure, and packing ring 113 is installed in packing sleeve
Between 114 and general seal 105, also, packing ring 113 is placed in filler 112, is played to filler 112 and is rinsed cooling work
With.
It is also set in addition, opening centrifugal pump shaft seal structure in the level of packing seal mode provided by the utility model embodiment
There are two a point half formula glands 111, have a point half self-locking design feature, the shaft seal structure is made to have installing and dismounting very just
Prompt function, and filler 112 is suitably compressed by a point half formula gland 111, the purpose of axle envelope has been better achieved.
Two points of half formula glands 111 are connected to each other, and are mounted between packing sleeve 114 and general seal 105, and point half formula filler
The other end that filler 112 is abutted on gland 111, to compress filler 112.
Detailed, as shown in Figure 7 and Figure 8, being divided to half formula gland 111 includes compressed part 1111, two to lug 1112
With transition connection portion 1113, compressed part 1111 is installed between packing sleeve 114 and general seal 105, filler 112 it is another
End is connected on the medial surface of compressed part 1111；Two are respectively arranged at the both ends of compressed part 1111 to lug 1112, and two right
Lug 1112 is symmetrical arranged about the symmetry axis of compressed part 1111, and is arranged about the axial offset of compressed part 1111；Transition connects
Socket part 1113 is connected to compressed part 1111 and between lug 1112.When a point half formula gland 111 carries out installing fixed,
The compressed part 1111 of two points of half formula glands 111 is combined into a complete hollow cylinder, two points of half formula filler pressures
Two of lid 111 are mutually butted lug 1112 respectively, positioned at the same side to lug on two points of half formula glands 111
About 1112 split, and central axis is overlapped, and are fixedly connected by connecting stud 109, by two points of half formula filler pressures
Lid 111 is mounted between packing sleeve 114 and general seal 105, and is suitably compressed and be set to packing sleeve 114 and general
Filler 112 between seal 105, to finally realize the purpose of axle envelope.
Fig. 9, Fig. 2, Fig. 3 be respectively it is provided by the embodiment of the utility model level in open centrifugal pump shaft seal structure machinery it is close
The A-A cross-sectional view of the structural schematic diagram of envelope mode, the structural schematic diagram of general seal and general seal.In conjunction with Fig. 9, Fig. 2
With shown in Fig. 3, it is introduced to centrifugal pump shaft seal structure is opened in the level of mechanical seal mode:
It includes: pump shaft that centrifugal pump shaft seal structure is opened in the level of mechanical seal mode provided by the utility model embodiment
201, pump cover 203, the pump housing 208, shield 207, general seal 210, mechanical seal 209 and machine sealed cover 202.
Specifically, pump shaft 201, pump cover 203 and the pump housing 208 constitute the main structure of pump group, and pass through 207 distich of shield
Axis device part is protected.Wherein, pump shaft 201 is the transmission load bearing component of pump group, is provided in pump group rotor part operation process
Tension, the functions such as antitorque.
General seal 210 is the important spare part of axle envelope position, prevent mechanical sealing assembly by transmission medium washed away with
And damage of the impurity such as iron wire, silk thread to mechanical sealing assembly, guarantee mechanical sealing assembly steady operation.The mechanical seal mode
In general seal 210 and 105 structure of general seal in packing seal mode it is completely the same, as shown in Figures 2 and 3,
The cross section of general seal 210 is to be inverted convex shape, equidistant on the circumferencial direction of interconnecting piece to be uniformly provided with multiple positioning
Hole and threaded hole, location hole assist the installation of general seal 210 to position, and threaded hole is used for the installation of connecting stud 206.It is general
Seal 210 is installed on pump cover 203 and the pump housing 208 by multiple connecting studs 206.
Meanwhile one end on the horizontal component of general seal 210 far from vertical portion is provided with axial seal grooves, first is close
Seal 204 is set in axial seal grooves, and between general seal 210 and pump cover 203 and the pump housing 208, prevents from transmitting
Medium is along axial leakage.One end in the vertical portion of general seal 210 close to horizontal component is provided with radial seal groove, radial
The first sealing ring 204 also being provided in 204 radial seal groove of the first sealing ring in seal groove is located at general seal 210 and pump
Between lid 203 and the pump housing 208, prevent transmission medium from radially leaking.Preferably, the first sealing ring 204 selects rubber seal
Circle.
Mechanical seal 209 is one of the main parts size of the shaft seal structure mechanical seal mode, and mechanical seal 209 is set to
Between pump shaft 201 and general seal 210, and one end of mechanical seal 209 is connected on general seal 210, and the other end supports
It is connected on machine sealed cover 202, to carry out compression sealing.
Machine sealed cover 202 is also one of the main parts size of the shaft seal structure mechanical seal mode, and machine sealed cover 202 passes through
Connecting stud 206 is installed on one end of general seal 210, and the other end of mechanical seal 209 is abutted on machine sealed cover 202, is used
Mechanical seal 209 is compressed with closing, to guarantee the normal work of the shaft seal structure of mechanical seal mode.
For the leakproofness for further ensuring that the shaft seal structure, machine sealed cover 202 and general seal 210 and mechanical seal
The second sealing ring 205 is equipped between 209.Preferably, the second sealing ring 205 selects rubber seal.
Be above to it is provided in this embodiment level in open centrifugal pump shaft seal structure two kinds of sealing means all parts,
Connection relationship between them is described, former to the work for opening centrifugal pump shaft seal structure in level below with reference to Fig. 1-Fig. 9
The process that reason and two kinds of sealing means are interchangeable is described in detail.
In the present embodiment, when using packing seal mode, packing sleeve 114 is socketed on pump shaft 108, is passed through
Multiple holding screws 102 carry out the axially position between packing sleeve 114 and pump shaft 108, carry out filler axis by c-type key 116
Circumferential registration between set 114 and pump shaft 108.Then general seal 105 is fixed on pump cover by multiple connection bolts 103
107, on the pump housing 104, and filler 112 are installed between packing sleeve 114 and general seal 105, packing ring 113 is placed in
Among filler 112, finally, suitably being compressed by being fixedly connected with two points of half formula glands 111 to filler 112, realize
The purpose of axle envelope.
It, only need to be by two points of half formula glands when user wants to be changed to packing seal mode using mechanical seal mode
111, filler 112, packing ring 113, packing sleeve 114 and connection bolt 103 successively disassemble, and retain general seal
General seal 210 shown in 105, i.e. Fig. 9.When being installed, by mechanical seal 209 be installed on pump shaft 201 with it is general close
It seals between body 210, closing compression is then carried out by the other end of the machine sealed cover 202 to mechanical seal 209, and pass through connection spiral shell
Machine sealed cover 202 and general seal 210 are successively fixedly connected on pump cover 203 and the pump housing 208 by column 206, to complete machine
The installation of tool sealing means.
Centrifugal pump shaft seal structure is opened in level provided by the embodiment of the utility model, makes to open centrifugal pump seal hyte in level
It is more convenient to fill, and sealing means interchangeability is good, and the design of general seal substantially improves the standardization and the degree of modularity of part,
Part management cost, more accurate positioning, good seal performance are reduced, and ensures and opens centrifugal pump seal using in the application level
The pump group operation hydraulic performance and operation stability of structure are preferable, and the test parameter of vibration and noise is small, dismounts easy to maintain.This
Outside, point half formula gland in packing seal mode is designed using specific structure, makes the dismounting maintenance of centrifugal pump shaft seal structure
It is more convenient, largely save later period replacement filler and maintenance cost.
In the present invention, term " multiple " refers to two or more, unless otherwise restricted clearly.Term " peace
Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection
It is to be detachably connected, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right
For those skilled in the art, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
In the description of the utility model, it is to be understood that term " on ", "lower", "left", "right", "front", "rear" 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 unit of indication or suggestion meaning there must be specific direction, with specific orientation construction
And operation, it is thus impossible to be construed as a limitation of the present invention.
In description in the present specification, term " specific embodiment ", " some embodiments ", " one embodiment "
Deng description mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in the utility model
At least one embodiment or example in.In the present specification, the schematic illustration of above-mentioned term is not necessarily referring to identical
Embodiment or example.Moreover, the particular features, structures, materials, or characteristics of description can be implemented in any one or more
It can be combined in any suitable manner in example or example.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (8)
1. opening centrifugal pump shaft seal structure in a kind of level, which is characterized in that opening centrifugal pump shaft seal structure in the level includes: pump
Axis, pump cover, the pump housing, general seal, packing sleeve, filler, packing ring and two points of half formula glands；
The packing sleeve is cylindrical, is socketed on the pump shaft；Second is equipped between the packing sleeve and the pump shaft
Sealing ring；
The cross section of the general seal is to be inverted convex shape, is installed on the pump cover and the pump by multiple connection bolts
On body；
The filler device between the packing sleeve and the general seal, and one end of the filler be connected to it is described
On general seal；
The packing ring is installed between the packing sleeve and the general seal, is placed in the filler；
A point half formula gland described in two is connected to each other, and is mounted between the packing sleeve and the general seal；It is described
It is divided to that half formula gland includes compressed part, two to lug and transition connection portion；
The compressed part is installed between the packing sleeve and the general seal；The other end of the filler is connected to institute
It states on the medial surface of compressed part；
Two both ends that the compressed part is respectively arranged to lug；Two pairs to lug about the compressed part
Claim axial symmetry setting, and is arranged about the axial offset of the compressed part；
The transition connection portion is connected to the compressed part and described between lug.
2. opening centrifugal pump shaft seal structure in level according to claim 1, which is characterized in that point half formula filler described in two
The described of gland is mutually butted lug, and is fixedly connected by connecting stud, thus by described in two points of half formula fillers
Gland is mounted between the packing sleeve and the general seal.
3. opening centrifugal pump shaft seal structure in level according to claim 1, which is characterized in that the water of the general seal
Flat upper one end far from vertical portion in part is provided with axial seal grooves；Close to horizontal part in the vertical portion of the general seal
The one end divided is provided with radial seal groove；The first sealing ring is equipped in the axial seal grooves and the radial seal groove.
4. opening centrifugal pump shaft seal structure in level according to claim 3, which is characterized in that first sealing ring and institute
Stating the second sealing ring is rubber seal.
5. it is according to claim 1 level in open centrifugal pump shaft seal structure, which is characterized in that the packing sleeve with it is described
Axially position is carried out by multiple holding screws between pump shaft, and circumferential registration is carried out by c-type key.
6. opening centrifugal pump shaft seal structure in a kind of level, which is characterized in that opening centrifugal pump shaft seal structure in the level includes: pump
Axis, pump cover, the pump housing, general seal, mechanical seal and machine sealed cover；
The cross section of the general seal is to be inverted convex shape, is installed on the pump cover and the pump by multiple connecting studs
On body；
The mechanical seal is set between the pump shaft and the general seal, and one end of the mechanical seal is connected to
On the general seal；
The machine sealed cover is installed on one end of the general seal by the connecting stud；It is abutted on the machine sealed cover
The other end of the mechanical seal.
7. opening centrifugal pump shaft seal structure in level according to claim 6, which is characterized in that the water of the general seal
Flat upper one end far from vertical portion in part is provided with axial seal grooves；Close to horizontal part in the vertical portion of the general seal
The one end divided is provided with radial seal groove；The first sealing ring is provided in the axial seal grooves and the radial seal groove.
8. it is according to claim 6 level in open centrifugal pump shaft seal structure, which is characterized in that the machine sealed cover with it is described
The second sealing ring is equipped between general seal and the mechanical seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821475925.1U CN208831318U (en) | 2018-09-10 | 2018-09-10 | It is a kind of level in open centrifugal pump shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821475925.1U CN208831318U (en) | 2018-09-10 | 2018-09-10 | It is a kind of level in open centrifugal pump shaft seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831318U true CN208831318U (en) | 2019-05-07 |
Family
ID=66312624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821475925.1U Active CN208831318U (en) | 2018-09-10 | 2018-09-10 | It is a kind of level in open centrifugal pump shaft seal structure |
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| CN (1) | CN208831318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886719A (en) * | 2018-09-10 | 2020-03-17 | 威乐(中国)水泵系统有限公司 | Horizontal split centrifugal pump shaft seal structure |
-
2018
- 2018-09-10 CN CN201821475925.1U patent/CN208831318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886719A (en) * | 2018-09-10 | 2020-03-17 | 威乐(中国)水泵系统有限公司 | Horizontal split centrifugal pump shaft seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhi Falin Inventor after: Li Guangyi Inventor after: Kang Leilei Inventor before: Zhi Falin Inventor before: Li Guangyi Inventor before: Kang Leilei |
|
| CB03 | Change of inventor or designer information |