CN208169152U - The Hermetical connecting structure of immersible pump - Google Patents
The Hermetical connecting structure of immersible pump Download PDFInfo
- Publication number
- CN208169152U CN208169152U CN201820582387.XU CN201820582387U CN208169152U CN 208169152 U CN208169152 U CN 208169152U CN 201820582387 U CN201820582387 U CN 201820582387U CN 208169152 U CN208169152 U CN 208169152U
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- Prior art keywords
- motor
- seal assembly
- base
- pump
- connecting structure
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Abstract
The utility model discloses a kind of Hermetical connecting structure of immersible pump, the immersible pump includes motor, the pump housing with pump barrel, the tie-plate connecting with pump barrel with machine barrel, wherein the Hermetical connecting structure includes：The base that one end is connect with the tie-plate, its other end is connect with the machine barrel；It is provided with first resettlement groove of described one end of base；It is provided with the second resettlement groove of the other end of base；It is partially disposed in the first resettlement groove and is used to prevent the fluid seepage of pump housing side into the first seal assembly of motor side；It is placed in the second resettlement groove and is used to prevent motor side fluid seepage into the second seal assembly of pump housing side；Wherein, by the first seal assembly and the second seal assembly, make the pressure balance of the motor two sides.The Hermetical connecting structure of the utility model, structure is simple, can keep the balance of motor external and internal pressure, guarantees that the sealing of motor has good result, improves the service life of immersible pump, greatly save use cost.
Description
Technical field
The utility model relates to pump technical field more particularly to a kind of Hermetical connecting structures of immersible pump of diving under water.
Background technique
There is immersible pump in the prior art motor and the pump housing with impeller sets, motor to be placed in machine barrel, pump housing peace
It sets in pump barrel, tie-plate is connect with pump barrel, is connected tie-plate with machine barrel by multiple attachment bases, and will be electric by shaft coupling
The armature spindle of machine is connected with the pump shaft of the pump housing, so that the impeller sets of the pump housing can be driven to rotate, made low in electrical power rotation
Press liquid becomes highly pressurised liquid after the acceleration of impeller sets, is finally discharged from the water outlet of the pump housing.
In the prior art, it is connected between tie-plate and machine barrel by multiple attachment bases, sealing performance is reduced, in immersible pump
When underwater penetration is too low, since immersible pump external pressure is excessive, it be easy to cause motor side (referred to as motor side) and pump housing institute
Liquid in side (referred to as pump housing side) mutually leaks, to influence motor service life, and then the entire immersible pump of influence makes
With the service life, and easily cause unsafe accident.
Summary of the invention
The purpose of this utility model is exactly to solve the above-mentioned problems, to provide a kind of Hermetical connecting structure of immersible pump,
Structure is simple, can keep the balance of motor external and internal pressure, guarantees that the sealing of motor has good result, improves the use of immersible pump
Service life greatlys save use cost.
For the above-mentioned purpose for realizing the utility model, a kind of Hermetical connecting structure of immersible pump of the utility model is described
Immersible pump includes motor, the pump housing with pump barrel, the tie-plate connecting with pump barrel with machine barrel, wherein the sealed connection
Structure includes：The base that one end is connect with the tie-plate, its other end is connect with the machine barrel；It is provided with the described of base
First resettlement groove of one end；It is provided with the second resettlement groove of the other end of base；It is partially disposed in the first resettlement groove
For preventing the fluid seepage of pump housing side into the first seal assembly of motor side；It is placed in the second resettlement groove and is used to prevent
Second seal assembly of the motor side fluid seepage into pump housing side；Wherein, by the first seal assembly and the second seal assembly, make institute
State the pressure balance of motor two sides.
Wherein, first seal assembly includes：The stationary ring pedestal being placed in the first resettlement groove of the base, thereon
End setting groove；Its underpart is placed in the stationary ring in the groove of stationary ring pedestal；The rotating ring being placed in above stationary ring；Its underpart holding
Circlip outside rotating ring.
Wherein, the circlip top is against on the baffle ring being installed on the armature spindle of the motor.
Wherein, the rotating ring top stretches out in the base.
Wherein, the structure of second seal assembly is identical as first seal assembly, and circlip lower part is against installation
In on the bearing of the armature spindle of the motor.
Compared with prior art, the Hermetical connecting structure of the immersible pump of the utility model has the following advantages that：
1, the Hermetical connecting structure of the utility model, structure is simple, can keep the balance of motor external and internal pressure, guarantees motor
Sealing have good result, improve the service life of immersible pump, greatly save use cost and maintenance cost.
2, the pump housing is connected to motor by base for the Hermetical connecting structure of the utility model, is distinguished at the both ends of base
Resettlement groove is set, and disposes seal assembly respectively in resettlement groove, ensures that the pressure balance inside and outside motor, effectively
It prevents motor side and the liquid of pump housing side from leaking mutually, improves the service life of immersible pump, greatly save use cost.
The utility model is described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is that have the structural schematic diagram of the immersible pump of Hermetical connecting structure of the utility model (pump body portion structure is not
It shows completely)；
Fig. 2 is the part A enlarged drawing of Fig. 1；
Fig. 3 is the structural schematic diagram of the base of the utility model；
Fig. 4 is the structural schematic diagram of the seal assembly of the utility model.
Specific embodiment
As shown in Figure 1, the structural schematic diagram of the immersible pump for the Hermetical connecting structure with the utility model, Fig. 2 is Fig. 1
Part A enlarged drawing, as seen from Figure 1, Figure 2, immersible pump includes：Motor 2 with machine barrel 1, the pump housing 10 with pump barrel and pump
The tie-plate 6 of cylinder connection, machine barrel 1；Motor 2 and motor bearing seat press fitting are positioned in machine barrel 1, the overhanging armature spindle 5 of motor 2
It is supported by rotor bearing 3, shaft coupling 8 is disposed in the end of armature spindle 5, for the pump shaft of armature spindle 5 and the pump housing 10 to be driven
(not shown) is connected, in addition, the partial shrouds in the close shaft coupling 8 of armature spindle 5 have the inverted bowl-type for sealing
Water proof circle 7.
Wherein, as Figure 1-Figure 4, the immersible pump of the utility model further includes that tie-plate 6 and machine barrel 1 link together
Hermetical connecting structure, which includes：The machine that one end is connect with tie-plate 6, its other end is connect with machine barrel 1
Seat 4；It is provided with first resettlement groove 41 of one end of base 4；It is provided with the second resettlement groove 43 of the other end of base 4；Its part
It is placed in the first resettlement groove 41 and is used to prevent the fluid seepage of pump housing side into the first seal assembly 9 of motor side；It is placed in
It is used to prevent motor side fluid seepage into the second seal assembly 9 ' of pump housing side in second resettlement groove 43；Wherein, pass through first
Seal assembly 9 and the second seal assembly 9 ', make the pressure balance of motor two sides.
Specifically, as shown in Figure 2 and Figure 3, the base 4 of the utility model is in multi-diameter shaft shape, opens up and be used at 4 center of base
For armature spindle 5 along its axially across axis hole 42, the outer wall ring of the major diameter axis of 4 multi-diameter shaft of base, which is set, diametrically to extend outwardly
Boss, when manufacture, boss end surface can with the flush of base one end, and be for base to be connect with tie-plate 6, it is excellent
Choosing, upper seam allowance 45 is set in described one end of boss, upper seam allowance 45 is concave mouth, correspondingly, being arranged in the lower end of tie-plate 6
Male half coupling is cooperated together with will pass through convex-concave seam allowance for base 4 and tie-plate 6；And the other end of boss and machine barrel 1 connect
It connects, it is preferred that the seam allowance 46 under the setting of the boss other end, lower seam allowance 46 are also concave mouth, correspondingly, being arranged in 1 upper end of machine barrel
Male half coupling, so that base 4 cooperates together with machine barrel 1 also by convex-concave seam allowance.In addition, under 4 major diameter axis of base
Portion's outer wall is also equipped with seal groove 47, to stitch between 1 inner wall of machine barrel and base 4 in placement in seal groove 47 for sealing
The sealing ring of gap.
Wherein, the upper and lower noun of locality being referred to herein, only to show the relative position of involved component, such as towards pump
Body side be it is upper, under being towards motor side.
Further, the end face by one end is offered along its first peace that portion is recessed axially inward in one end of base 4
Slot 41 is set, offers the end face by its other end along its rotor bearing that portion is serially recessed axially inward in the other end of base 4
Resettlement groove 44 and the second resettlement groove 43, the first resettlement groove 41, the second resettlement groove 43, rotor bearing resettlement groove 44 are to be opened in machine
4 centers of seat and the circular trough being connected with the axis hole 42 on base 4.Wherein, the first resettlement groove 41, the second resettlement groove 43, rotor
The diameter of bearing resettlement groove 44 is all larger than the diameter of axis hole 42, it is preferred that the diameter of rotor bearing resettlement groove 44 is greater than the second peace
Set the diameter of slot 43.
In addition, being also set up on base 4 for other indispensable structures, such as oil pocket, threaded hole, will be joined with will pass through screw
Disk is connect to fix with base.
Wherein, it disposes in the first resettlement groove 41 for preventing the fluid seepage of pump housing side into the first sealing group of motor side
Part 9, for preventing motor side fluid seepage into the second seal assembly 9 ' of pump housing side, this is practical for placement in the second resettlement groove 43
Novel immersible pump is made on the inside of motor (referring to rotor side) by the first seal assembly 9 and the second seal assembly 9 '
Guarantee that motor uses the longevity to reduce the risk of leakage of motor medial and lateral with the pressure balance of outside (referring to pump housing side)
Life.
Wherein, the first seal assembly 9 includes the following element successively disposed from the bottom to top along the axial direction of base 4：It is placed in
Groove is arranged in 41 stationary ring pedestal 91 in first resettlement groove of base 4, the upper end, is rubber material, for sealing the of base
Gap between one placement groove groove wall and armature spindle；Its underpart is placed in the stationary ring 92 in the groove of stationary ring pedestal 91, is wear-resisting
Part is made of carbofrax material, for axially sealing along armature spindle 5；It is placed in the rotating ring 93 of 92 top of stationary ring, suit
In on armature spindle 5, and top stretches out in base 4, is also wearing piece, using graphite material, wherein stationary ring 92 and rotating ring 93 are mutual
Friction, plays sealing function；And circlip 94 of its underpart holding outside rotating ring 93,94 top of circlip, which is against, is installed on motor 2
Armature spindle 5 on baffle ring on, and baffle ring top is against the inner wall of bowl-type water proof circle 7,7 centre bore of bowl-type water proof circle and shaft coupling
Be connected through a screw thread and be fixed on base 4.It is rubber in addition, being also equipped with rotating ring lock sleeve 95 on the top of 93 inner wall of rotating ring
Glue material matter guarantees that rotating ring 93 and armature spindle 5 can synchronous rotaries for locking rotating ring 93 and armature spindle 5.
Wherein, the structure of the second seal assembly 9 ' is identical as the first seal assembly 9, unlike, the second seal assembly 9 '
Each element installation direction and each element of the first seal assembly 9 direction it is exactly the opposite, i.e., along base 4 it is axial from top to bottom according to
Secondary is stationary ring pedestal 91, stationary ring 92, rotating ring 93, circlip 94, and its 94 lower part of circlip is against the armature spindle 5 for being installed on motor 2
On bearing 3 (as shown in Figure 1 and Figure 2).
The pump housing, is connected to motor by base and is integrated by the Hermetical connecting structure of the utility model, and in the upper of base
Lower both ends dispose seal assembly respectively, when immersible pump underwater penetration reaches 60 meters or more, guarantee motor external environment hydraulic pressure (as
Pump housing side) leakage will not be constituted to environment in motor (as motor side), guarantee the balance of motor external and internal pressure, reduces leakage wind
Danger, to guarantee motor service life.
In conclusion compared with prior art, the Hermetical connecting structure of the immersible pump of the utility model has the following advantages that：
1, the Hermetical connecting structure of the utility model, structure is simple, can keep the balance of motor external and internal pressure, guarantees motor
Sealing have good result, improve the service life of immersible pump, greatly save use cost and maintenance cost.
2, the pump housing is connected to motor by base for the Hermetical connecting structure of the utility model, is distinguished at the both ends of base
Resettlement groove is set, and disposes seal assembly respectively in resettlement groove, ensures that the pressure balance inside and outside motor, effectively
It prevents motor side and the liquid of pump housing side from leaking mutually, improves the service life of immersible pump, greatly save use cost.
Although being explained in detail above to the utility model, the utility model is without being limited thereto, the skill of the art
Art personnel can be modified with principle according to the present utility model, therefore, all according to the various of the principles of the present invention progress
Modification all should be understood as falling into the protection scope of the utility model.
Claims (5)
1. a kind of Hermetical connecting structure of immersible pump, the immersible pump include the motor with machine barrel, the pump housing with pump barrel, with
The tie-plate of pump barrel connection, which is characterized in that the Hermetical connecting structure includes：
The base that one end is connect with the tie-plate, its other end is connect with the machine barrel；
It is provided with first resettlement groove of described one end of base；
It is provided with the second resettlement groove of the other end of base；
It is partially disposed in the first resettlement groove and is used to prevent the fluid seepage of pump housing side into the first seal assembly of motor side；
It is placed in the second resettlement groove and is used to prevent motor side fluid seepage into the second seal assembly of pump housing side；
Wherein, by the first seal assembly and the second seal assembly, make the pressure balance of the motor two sides.
2. Hermetical connecting structure according to claim 1, which is characterized in that first seal assembly includes：
Groove is arranged in the stationary ring pedestal being placed in the first resettlement groove of the base, the upper end；
Its underpart is placed in the stationary ring in the groove of stationary ring pedestal；
The rotating ring being placed in above stationary ring；
Circlip of its underpart holding outside rotating ring.
3. Hermetical connecting structure according to claim 2, which is characterized in that the circlip top, which is against, is installed on the electricity
On baffle ring on the armature spindle of machine.
4. Hermetical connecting structure according to claim 2, which is characterized in that the rotating ring top stretches out in the base.
5. Hermetical connecting structure according to claim 2, which is characterized in that the structure of second seal assembly with it is described
First seal assembly is identical, and circlip lower part is against on the bearing for being installed on the armature spindle of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820582387.XU CN208169152U (en) | 2018-04-23 | 2018-04-23 | The Hermetical connecting structure of immersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820582387.XU CN208169152U (en) | 2018-04-23 | 2018-04-23 | The Hermetical connecting structure of immersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169152U true CN208169152U (en) | 2018-11-30 |
Family
ID=64371704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820582387.XU Expired - Fee Related CN208169152U (en) | 2018-04-23 | 2018-04-23 | The Hermetical connecting structure of immersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113452184A (en) * | 2021-07-02 | 2021-09-28 | 浙江浙水工贸有限公司 | Shielding permanent-magnet high-speed submersible pump motor |
-
2018
- 2018-04-23 CN CN201820582387.XU patent/CN208169152U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113452184A (en) * | 2021-07-02 | 2021-09-28 | 浙江浙水工贸有限公司 | Shielding permanent-magnet high-speed submersible pump motor |
| CN113452184B (en) * | 2021-07-02 | 2023-10-13 | 浙江浙水工贸有限公司 | Shielding type permanent magnet high-speed submersible pump motor |
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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 |
Granted publication date: 20181130 Termination date: 20190423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |