CN208534825U - A kind of combination docking structure of stainless steel submersible pump shaft - Google Patents
A kind of combination docking structure of stainless steel submersible pump shaft Download PDFInfo
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- CN208534825U CN208534825U CN201820881099.4U CN201820881099U CN208534825U CN 208534825 U CN208534825 U CN 208534825U CN 201820881099 U CN201820881099 U CN 201820881099U CN 208534825 U CN208534825 U CN 208534825U
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- shaft
- transmission shaft
- stainless steel
- pump shaft
- immersible pump
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Abstract
The utility model provides a kind of combination docking structure of stainless steel submersible pump shaft, it is related to motor and pump group closes technical field of structures, including front motor cover, machine shaft, immersible pump shaft and transmission shaft, front motor cover side is rotatablely connected machine shaft one end, the front motor cover other side rotates coaxially the one end for being connected to immersible pump shaft, the shaft end of the machine shaft and immersible pump shaft is provided with transmission shaft jack, and the transmission shaft is respectively inserted in the transmission shaft jack of the shaft end of machine shaft and immersible pump shaft.The utility model structure is simple, at low cost, long service life, is reliably connected to the shaft of motor and immersible pump.
Description
Technical field
The utility model belongs to motor and pump group closes technical field of structures, more particularly to a kind of stainless steel submersible pump shaft
Combination docking structure.
Background technique
Immersible pump is the important equipment of deep-well water lift, and when use, entire unit pulled the plug work, and underground water is extracted
Earth's surface, is widely used in domestic water, mine is speedily carried out rescue work, industry cooling, field irrigation etc., and what is be typically used for is centrifugal pump, blade
Pump etc., is generally made of pump rotor, motor, liquid sucting port and leakage fluid dram, it is same that the rotor of existing immersible pump usually passes through shaft coupling
In axis connection to machine shaft, building block is more, and structure is complicated, and installation steps are cumbersome.
Therefore, the emphasis how to solve the above problems as those skilled in the art's research.
Utility model content
The purpose of this utility model is just to provide a kind of combination docking structure of stainless steel submersible pump shaft, can solve above-mentioned
Prior art pump rotor and the cumbersome shortcoming of machine shaft Connection Step.
The purpose of this utility model is realized by following technical proposals:
A kind of combination docking structure of stainless steel submersible pump shaft, including front motor cover, machine shaft, immersible pump shaft, V
Type seal ring and transmission shaft, front motor cover side are rotatablely connected machine shaft one end, and the front motor cover other side, which rotates coaxially, to be connected to
One end of immersible pump shaft, the machine shaft are provided with transmission shaft jack two, machine shaft close to the shaft end of front motor cover
Several grooves are offered on the side wall of one end of front motor cover, are equipped with arc-shaped slot in groove, groove inner hinge has grab,
The immersible pump shaft offers transmission shaft jack one close to front motor cover one end, and immersible pump shaft is close to one end of front motor cover
Side wall position corresponding with the groove location on machine shaft offer fixing groove, the transmission shaft is respectively inserted in transmission shaft and inserts
In hole one and transmission shaft jack two, V-type seal ring, the V type seal ring are provided between machine shaft and immersible pump both ends of the shaft face
Section for cyclic structure, V-type seal ring is V-shaped, is interference fit between V-type seal ring and machine shaft and immersible pump shaft.
Preferably, the transmission shaft is that 5 layers of different materials include, the material of first layer from inside to outside are as follows: high
Any one of carbon steel, mild steel and stainless steel, the from inside to outside material of the second layer are as follows: high-carbon steel, mild steel and stainless steel
Any one, the material of third layer from inside to outside are as follows: any one of high-carbon steel, mild steel and stainless steel, from inside to outside the 4th
The material of layer are as follows: any one of high-carbon steel, mild steel and stainless steel, outermost layer are stainless steel layer.
Preferably, the transmission shaft is equilateral prism, and its seamed edge number >=3.
Preferably, the seamed edge number of the transmission shaft is 5-10 item.
Preferably, the depth of the transmission shaft jack one of the immersible pump shaft is the transmission shaft jack one of machine shaft
2 times of depth.
Preferably, the transmission shaft and the transmission shaft jack one of immersible pump shaft are interference fit, transmission shaft and electricity
The transmission shaft jack one of machine shaft is clearance fit.
Compared with prior art, the utility model has the beneficial effects that:
The utility model structure is simple, and design rationally, is reliably connected to pump rotor and machine shaft, and transmission shaft is difference
The characteristics of material layer overlapping is made, makes it have different materials had not only had certain rigidity, but also has had certain toughness, and outer layer is not
Become rusty steel, and be provided with V-type seal ring, completely cut off transmission shaft and outside moisture and oxygen, it is therefore prevented that the corrosion of transmission shaft, transmission shaft and
The length of fit that immersible pump shaft interference fit, and machine shaft clearance fit, and transmission shaft correspond to immersible pump shaft is greater than
With the length of fit of machine shaft, it can both prevent motor from shaking when driving pump rotor rotation, and improve bonding strength and can
By property, and convenient for the abutting joint between connecting pin and motor output shaft.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is the cross-sectional view of the machine shaft of the utility model；
Fig. 3 is the cross-sectional view of the machine shaft of embodiment two；
Fig. 4 is the groove partial enlarged view of the utility model；
Fig. 5 is the V-type sealing groove schematic diagram of the utility model；
Appended drawing reference: 1- front motor cover, 2- machine shaft, 3- immersible pump shaft, 4- transmission shaft, 5- transmission shaft jack one,
6-V type seal ring, 7- transmission shaft jack two, 8- grab, 9- fixing groove, 10- groove, 11- arc-shaped slot.
Specific embodiment
The utility model is further described with attached drawing combined with specific embodiments below.
Embodiment one
As shown in Figures 1 to 5, a kind of combination docking structure of stainless steel submersible pump shaft, including front motor cover 1, motor
Shaft 2, immersible pump shaft 3, V-type seal ring 6 and transmission shaft 4,1 side of front motor cover is rotatablely connected 2 one end of machine shaft, before motor
1 other side of lid rotates coaxially the one end for being connected to immersible pump shaft 3, and the machine shaft 2 is set close to the shaft end of front motor cover 1
It is equipped with transmission shaft jack 27, machine shaft 2 offers several grooves 10, groove on the side wall of one end of front motor cover 1
Arc-shaped slot 11 is equipped in 10,10 inner hinge of groove has grab 8, and the immersible pump shaft 3 is offered close to 1 one end of front motor cover
Transmission shaft jack 1, groove 10 position pair of the immersible pump shaft 3 on the side wall and machine shaft 2 of one end of front motor cover 1
The position answered offers fixing groove 9, and the transmission shaft 4 is respectively inserted in transmission shaft jack 1 and transmission shaft jack 27, motor
V-type seal ring 6 is provided between 3 both ends of the surface of shaft 2 and immersible pump shaft, the V-type seal ring 6 is cyclic structure, V-type seal ring 6
Section is V-shaped, is interference fit between V-type seal ring 6 and machine shaft 2 and immersible pump shaft 3.
The utility model structure is simple, and design rationally, first turns the immersible pump that is connected to of transmission shaft interference fit when use
On the transmission shaft jack one of axis, it is inserted in V-type seal ring on transmission shaft, machine shaft is connected to by two gap of transmission shaft jack
On transmission shaft, the grab on machine shaft is hooked in the fixing groove of immersible pump shaft, grab leans on arc-shaped slot clamping, to overcome
Centrifugal force when rotation, this structure are reliably connected to pump rotor and machine shaft, and transmission shaft surface is made of stainless steel material,
And it is provided with V-type seal ring, completely cut off transmission shaft and outside moisture and oxygen, it is therefore prevented that the corrosion of transmission shaft.
Embodiment two
As shown in Figures 1 to 5, a kind of combination docking structure of stainless steel submersible pump shaft, including front motor cover 1, motor
Shaft 2, immersible pump shaft 3, V-type seal ring 6 and transmission shaft 4,1 side of front motor cover is rotatablely connected 2 one end of machine shaft, before motor
1 other side of lid rotates coaxially the one end for being connected to immersible pump shaft 3, and the machine shaft 2 is set close to the shaft end of front motor cover 1
It is equipped with transmission shaft jack 27, machine shaft 2 offers several grooves 10, groove on the side wall of one end of front motor cover 1
Arc-shaped slot 11 is equipped in 10,10 inner hinge of groove has grab 8, and the immersible pump shaft 3 is opened up close to 1 one end of front motor cover
There are transmission shaft jack 1, groove 10 position of the immersible pump shaft 3 on the side wall and machine shaft 2 of one end of front motor cover 1
Corresponding position offers fixing groove 9, and the transmission shaft 4 is respectively inserted in transmission shaft jack 1 and transmission shaft jack 27, electricity
V-type seal ring 6 is provided between 3 both ends of the surface of machine shaft 2 and immersible pump shaft, the V-type seal ring 6 is cyclic structure, V-type seal ring 6
Section it is V-shaped, between V-type seal ring 6 and machine shaft 2 and immersible pump shaft 3 for interference fit.
More optimized: transmission shaft 4 is that 5 layers of different materials wrap up, from inside to outside the material of first layer are as follows: high-carbon steel,
Any one of mild steel and stainless steel, the from inside to outside material of the second layer are as follows: high-carbon steel, mild steel and stainless steel it is any one
Kind, the material of third layer from inside to outside are as follows: any one of high-carbon steel, mild steel and stainless steel, from inside to outside the 4th layer of material
Material are as follows: any one of high-carbon steel, mild steel and stainless steel, outermost layer are stainless steel layer.
Transmission shaft structure is that 5 layer of material are wrapped up, from inside to outside respectively low carbon steel layer, high-carbon steel layer, mild steel
Layer, stainless steel layer, stainless steel layer, internal layer are that low carbon steel layer and high-carbon steel stacking are closed, and making transmission shaft not only has certain rigidity, but also tool
There is certain toughness, outer layer is stainless steel, prevents the corrosion of transmission shaft, increases transmission shaft service life.
More optimized: transmission shaft 4 is equilateral prism, and its seamed edge number >=3.
More optimized: the seamed edge number of transmission shaft is 5-10 item.
Transmission shaft is equilateral prism, effectively reduces shaking when shaft rotation, and control seamed edge is stated as 5-10 item, prevents seamed edge
When very little, to guarantee shaft wall thickness, and transmission shaft is too thin；Or it is enough thick to guarantee transmission shaft, and shaft wall is too thin.Seamed edge is too many
When, transmission shaft leads to problems such as to be driven ineffective close to cylinder.
Embodiment three
As shown in Figures 1 to 5, a kind of combination docking structure of stainless steel submersible pump shaft, including front motor cover 1, motor
Shaft 2, immersible pump shaft 3, V-type seal ring 6 and transmission shaft 4,1 side of front motor cover is rotatablely connected 2 one end of machine shaft, before motor
1 other side of lid rotates coaxially the one end for being connected to immersible pump shaft 3, and the machine shaft 2 is set close to the shaft end of front motor cover 1
It is equipped with transmission shaft jack 27, machine shaft 2 offers several grooves 10, groove on the side wall of one end of front motor cover 1
Arc-shaped slot 11 is equipped in 10,10 inner hinge of groove has grab 8, and the immersible pump shaft 3 is opened up close to 1 one end of front motor cover
There are transmission shaft jack 1, groove 10 position of the immersible pump shaft 3 on the side wall and machine shaft 2 of one end of front motor cover 1
Corresponding position offers fixing groove 9, and the transmission shaft 4 is respectively inserted in transmission shaft jack 1 and transmission shaft jack 27, electricity
V-type seal ring 6 is provided between 3 both ends of the surface of machine shaft 2 and immersible pump shaft, the V-type seal ring 6 is cyclic structure, V-type seal ring 6
Section it is V-shaped, between V-type seal ring 6 and machine shaft 2 and immersible pump shaft 3 for interference fit.
More optimized: the depth of the transmission shaft jack 1 of immersible pump shaft 3 is the transmission shaft jack 1 of machine shaft 2
2 times of depth.
More optimized: transmission shaft 4 and the transmission shaft jack 1 of immersible pump shaft 3 is are interference fitted, transmission shaft 4 and motor
The transmission shaft jack 1 of shaft 2 is clearance fit.
Since the assembling of immersible pump assembles pump body portion first, then motor is connected on the assembled pump housing, transmission shaft
It is interference fit between immersible pump shaft, is clearance fit between transmission shaft and machine shaft, therefore when positioned at immersible pump shaft
When propeller shaft length is greater than the propeller shaft length of machine shaft, being completely embedded for transmission shaft and immersible pump shaft is not only increased
Property, and it is convenient for the abutting joint of transmission shaft and machine shaft.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of combination docking structure of stainless steel submersible pump shaft, it is characterised in that: including front motor cover (1), machine shaft
(2), immersible pump shaft (3), V-type seal ring (6) and transmission shaft (4), front motor cover (1) side are rotatablely connected machine shaft (2) one
End, front motor cover (1) other side rotate coaxially the one end for being connected to immersible pump shaft (3), and the machine shaft (2) is close to electricity
The shaft end of machine front cover (1) is provided with transmission shaft jack two (7), and machine shaft (2) is on the side wall of the one end of front motor cover (1)
It offers several grooves (10), is equipped with arc-shaped slot (11) in groove (10), groove (10) inner hinge has grab (8), described latent
Water pump shaft (3) offers transmission shaft jack one (5) close to front motor cover (1) one end, and immersible pump shaft (3) is close to front motor cover
(1) side wall of one end position corresponding with groove (10) position on machine shaft (2) offers fixing groove (9), the biography
Moving axis (4) is respectively inserted in transmission shaft jack one (5) and transmission shaft jack two (7), machine shaft (2) and immersible pump shaft (3)
It is provided between both ends of the surface V-type seal ring (6), the V-type seal ring (6) is cyclic structure, and the section of V-type seal ring (6) is V-shaped, V-type
It is interference fit between seal ring (6) and machine shaft (2) and immersible pump shaft (3).
2. a kind of combination docking structure of stainless steel submersible pump shaft according to claim 1, it is characterised in that: described
Transmission shaft (4) is that 5 layers of different materials wrap up, the material of first layer from inside to outside are as follows: high-carbon steel, mild steel and stainless steel
Any one, the material of the second layer from inside to outside are as follows: any one of high-carbon steel, mild steel and stainless steel, from inside to outside third
The material of layer are as follows: any one of high-carbon steel, mild steel and stainless steel, from inside to outside the 4th layer of material are as follows: high-carbon steel, low-carbon
Any one of steel and stainless steel, outermost layer are stainless steel layer.
3. a kind of combination docking structure of stainless steel submersible pump shaft according to claim 2, it is characterised in that: described
Transmission shaft (4) is equilateral prism, and its seamed edge number >=3.
4. a kind of combination docking structure of stainless steel submersible pump shaft according to claim 3, it is characterised in that: described
The seamed edge number of transmission shaft (4) is 5-10 item.
5. a kind of combination docking structure of stainless steel submersible pump shaft according to claim 1, it is characterised in that: described
The depth of the transmission shaft jack one (5) of immersible pump shaft (3) is the 2 of the depth of the transmission shaft jack one (5) of machine shaft (2)
Times.
6. a kind of combination docking structure of stainless steel submersible pump shaft according to claim 1, it is characterised in that: described
Transmission shaft (4) and the transmission shaft jack one (5) of immersible pump shaft (3) are to be interference fitted, transmission shaft (4) and machine shaft (2)
Transmission shaft jack one (5) is clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820881099.4U CN208534825U (en) | 2018-06-08 | 2018-06-08 | A kind of combination docking structure of stainless steel submersible pump shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820881099.4U CN208534825U (en) | 2018-06-08 | 2018-06-08 | A kind of combination docking structure of stainless steel submersible pump shaft |
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| Publication Number | Publication Date |
|---|---|
| CN208534825U true CN208534825U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820881099.4U Active CN208534825U (en) | 2018-06-08 | 2018-06-08 | A kind of combination docking structure of stainless steel submersible pump shaft |
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| CN (1) | CN208534825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876853A (en) * | 2022-06-29 | 2022-08-09 | 湖南中泰水电建设工程有限公司 | High-rotation-speed long-shaft transmission vertical centrifugal pump unit and mounting method |
-
2018
- 2018-06-08 CN CN201820881099.4U patent/CN208534825U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876853A (en) * | 2022-06-29 | 2022-08-09 | 湖南中泰水电建设工程有限公司 | High-rotation-speed long-shaft transmission vertical centrifugal pump unit and mounting method |
| CN114876853B (en) * | 2022-06-29 | 2024-02-13 | 湖南中泰水电建设工程有限公司 | High-rotation-speed long-shaft transmission vertical centrifugal pump unit and installation method |
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