CN206830473U - A kind of oil immersion submersible pump - Google Patents
A kind of oil immersion submersible pump Download PDFInfo
- Publication number
- CN206830473U CN206830473U CN201720547003.6U CN201720547003U CN206830473U CN 206830473 U CN206830473 U CN 206830473U CN 201720547003 U CN201720547003 U CN 201720547003U CN 206830473 U CN206830473 U CN 206830473U
- Authority
- CN
- China
- Prior art keywords
- motor
- pump housing
- seal receptacle
- motor shaft
- screw rod
- 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
- 238000007654 immersion Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of oil immersion submersible pump, including the pump housing, the side of the pump housing is provided with motor, motor shaft is provided with the motor, cavity on the inside of the pump housing is provided with impeller, the center of the impeller is fixedly linked with motor shaft, seal receptacle is provided between the motor and the pump housing, the center of the seal receptacle is provided with the mounting hole being engaged with motor shaft, the both ends of mounting hole are equipped with equalizer bearing, the seal receptacle is vertically provided with two group of first circumferential limited block close to the side of motor, the first sealing ring is provided between two group of first circumferential limited block, the seal receptacle is vertically provided with two group of second circumferential limited block close to the side of the pump housing, the second sealing ring is provided between two group of second circumferential limited block.The utility model is simple in construction, and installation is firm, and submersible pump good airproof performance is pollution-free, motor shaft stability of rotation, the service life of the motor shaft of extension, while ensure that the stability of electric pump work and the safety of cable.
Description
Technical field
It the utility model is related to submersible pump field, more particularly to a kind of oil immersion submersible pump.
Background technology
Powered with submersible pump by stretching into the cable in well to motor, eliminate transmission long axis, thus compact-sized, weight
Amount is light, installation, use and convenient transfer, in the trend for having the substituted borehole shaft driven (centrifugal) pump in power supply area, but the water big to silt content
Well and non-transformer area are inapplicable.
When submersible pump work water pressure is higher, hydraulic pressure can hold sealing top, and the annular seal space and motor for making submersible motor turn
Sub- chamber water inlet, causes motor coil to burn out, and insulating oil is leak into water, produces water pollution, while for a long time using rear pump shaft
Center line tends to occur offset, and causes pump shaft to be damaged because causing pump shaft to deform unbalance stress, we have devised one for this
Oil immersion submersible pump is planted to solve problem above.
Utility model content
The purpose of this utility model is and a kind of oil immersion diving electricity proposed in order to solve shortcoming present in prior art
Pump.
To achieve these goals, the utility model employs following technical scheme：
A kind of oil immersion submersible pump, including the pump housing, the side of the pump housing are provided with motor, motor are provided with the motor
Axle, one end of the motor shaft are extended in the cavity of the pump housing, and the cavity on the inside of the pump housing is provided with impeller, in the impeller
The heart is fixedly linked with motor shaft, and seal receptacle is provided between the motor and the pump housing, passes through first between the seal receptacle and the pump housing
Screw rod is connected, and is connected between seal receptacle and motor by the second screw rod, and first screw rod is provided with close to one end of the second screw rod
Connecting screw, the second screw rod are provided with the screwed hole being connected with connecting screw, and the center of the seal receptacle is provided with and motor shaft phase
The mounting hole of cooperation, the both ends of mounting hole are equipped with equalizer bearing, and the seal receptacle is vertically provided with two groups close to the side of motor
First circumferential limited block, the first sealing ring is provided between two group of first circumferential limited block, the seal receptacle is close to the side of the pump housing
Two group of second circumferential limited block vertically is provided with, the second sealing ring is provided between two group of second circumferential limited block.
Preferably, it is hollow structure between the seal receptacle and mounting hole, and the outside of seal receptacle is equidistantly provided with breach.
Preferably, first sealing ring and the second sealing ring are installed on seal receptacle.
Preferably, the first mechanical seal is provided between the pump housing and motor shaft.
Preferably, the second mechanical seal is provided between the motor and motor shaft.
Preferably, first screw rod and the second spiro rod length are identical, and the length of connecting screw is the first spiro rod length
Half.
Compared with prior art, the beneficial effects of the utility model are：In the utility model, by seal receptacle and first,
The cooperation of two sealing rings, it is ensured that the sealing of motor and pump housing junction, by first and second circumferential limited block, avoid；Volume
Because the switch of motor makes the pump housing rotate, the stability of electric pump work is ensure that, while electricity is ensure that using equalizer bearing
The stationarity of the rotation of arbor, does not deviate by axis, reduces the abrasion of motor shaft, improves service life, apparatus structure letter
Single, installation is firm, and submersible pump good airproof performance is pollution-free, can motor shaft stability of rotation, the service life of the motor shaft of extension,
The stability of electric pump work and the safety of cable are ensure that simultaneously.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of oil immersion submersible pump structural representation；
Fig. 2 be the utility model proposes a kind of the first screw rod of oil immersion submersible pump and the attachment structure of the second screw rod show
It is intended to；
Fig. 3 be the utility model proposes a kind of oil immersion submersible pump seal receptacle transverse sectional view.
In figure：1 pump housing, 2 motors, 3 motor shafts, 4 impellers, 5 seal receptacles, 6 first screw rods, 7 second screw rods, 8 connecting screws,
9 equalizer bearings, 10 first circumferential limited blocks, 11 first sealing rings, 12 second circumferential limited blocks, 13 second sealing rings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-3, a kind of oil immersion submersible pump, including the pump housing 1, the side of the pump housing 1 are provided with motor 2, are provided with motor 2
Motor shaft 3, one end of motor shaft 3 are extended in the cavity of the pump housing 1, and the cavity of the inner side of the pump housing 1 is provided with impeller 4, the center of impeller 4
It is fixedly linked with motor shaft 3, the first mechanical seal is provided between the pump housing 1 and motor shaft 3, the is provided between motor 2 and motor shaft 3
Two mechanical seals, seal receptacle 5 is provided between motor 2 and the pump housing 1, is connected between seal receptacle 5 and the pump housing 1 by the first screw rod 6, it is close
It is connected between envelope seat 5 and motor 2 by the second screw rod 7, the first screw rod 6 is provided with connecting screw 8 close to one end of the second screw rod 7,
Second screw rod 7 is provided with the screwed hole being connected with connecting screw 8, and the first screw rod 6 is identical with the length of the second screw rod 7, and connects spiral shell
The length of bar 8 is the half of the length of the first screw rod 6, and the center of seal receptacle 5 is provided with the mounting hole being engaged with motor shaft 3,
The both ends of mounting hole are equipped with equalizer bearing 9, are hollow structure between seal receptacle 5 and mounting hole, and between outside of seal receptacle 5 etc.
Away from two group of first circumferential limited block 10 is vertically provided with close to the side of motor 2 provided with breach, seal receptacle 5, two group first circumferentially limits
The first sealing ring 11 is provided between the block 10 of position, seal receptacle 5 is vertically provided with two group of second circumferential limited block close to the side of the pump housing 1
12, the second sealing ring 13 is provided between two group of second circumferential limited block 12, and the first sealing ring 11 and the second sealing ring 13 are respectively mounted
On seal receptacle 5.
Operation principle：During work, motor 2 and the pump housing 1 are pulled the plug, for motor shaft 3 when rotating, equalizer bearing 9 can be with
The off-axis of motor shaft 3 is avoided, avoids the abrasion of motor shaft 3, while between seal receptacle 5 and motor 2 and seal receptacle 5 and the pump housing
It is connected respectively by the first screw rod 6 with the second screw rod 7, while the first screw rod 6 and the second screw rod 8 are connected to one by connecting screw 8
Rise, connection is more firm, and the outside of seal receptacle 5 is provided with breach, it is ensured that the hydraulic balance at seal receptacle 5, while utilize first
Circumferential 10 and second circumferential limited block 12 of limited block can ensure that motor 2 in start and stop moment, will not be such that water pump 1 occurs
Circumferentially rotate, the first sealing ring 11 and the second sealing ring 13 can prevent water from entering in the pump housing 1 or motor 2, apparatus structure
Simply, installation is firm, and submersible pump good airproof performance is pollution-free, motor shaft stability of rotation, the service life of the motor shaft of extension,
The stability of electric pump work and the safety of cable are ensure that simultaneously.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of oil immersion submersible pump, including the pump housing (1), it is characterised in that the side of the pump housing (1) is provided with motor (2), institute
State in motor (2) and be provided with motor shaft (3), one end of the motor shaft (3) is extended in the cavity of the pump housing (1), the pump housing (1)
The cavity of inner side is provided with impeller (4), and center and the motor shaft (3) of the impeller (4) are fixedly linked, the motor (2) and the pump housing
(1) seal receptacle (5) is provided between, is connected between the seal receptacle (5) and the pump housing (1) by the first screw rod (6), seal receptacle (5)
It is connected between motor (2) by the second screw rod (7), first screw rod (6) is provided with connection close to one end of the second screw rod (7)
Screw rod (8), the second screw rod (7) are provided with the screwed hole that is connected with connecting screw (8), the center of the seal receptacle (5) provided with
The mounting hole that motor shaft (3) is engaged, the both ends of mounting hole are equipped with equalizer bearing (9), and the seal receptacle (5) is close to motor
(2) side is vertical to be provided with two group of first circumferential limited block (10), and it is close to be provided with first between two group of first circumferential limited block (10)
Seal (11), the seal receptacle (5) are provided with two group of second circumferential limited block (12) close to the side of the pump housing (1) is vertical, two groups the
The second sealing ring (13) is provided between two circumferential limited blocks (12).
A kind of 2. oil immersion submersible pump according to claim 1, it is characterised in that the seal receptacle (5) and mounting hole it
Between be hollow structure, and the outside of seal receptacle (5) is equidistantly provided with breach.
3. a kind of oil immersion submersible pump according to claim 1, it is characterised in that first sealing ring (11) and second
Sealing ring (13) is installed on seal receptacle (5).
A kind of 4. oil immersion submersible pump according to claim 1, it is characterised in that the pump housing (1) and motor shaft (3) it
Between be provided with the first mechanical seal.
A kind of 5. oil immersion submersible pump according to claim 1, it is characterised in that the motor (2) and motor shaft (3) it
Between be provided with the second mechanical seal.
6. a kind of oil immersion submersible pump according to claim 1, it is characterised in that first screw rod (6) and the second spiral shell
Bar (7) length is identical, and the length of connecting screw (8) is the half of the first screw rod (6) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547003.6U CN206830473U (en) | 2017-05-17 | 2017-05-17 | A kind of oil immersion submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547003.6U CN206830473U (en) | 2017-05-17 | 2017-05-17 | A kind of oil immersion submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830473U true CN206830473U (en) | 2018-01-02 |
Family
ID=60771878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720547003.6U Expired - Fee Related CN206830473U (en) | 2017-05-17 | 2017-05-17 | A kind of oil immersion submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206830473U (en) |
-
2017
- 2017-05-17 CN CN201720547003.6U patent/CN206830473U/en not_active Expired - Fee Related
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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: 20180102 Termination date: 20210517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |