CN208331029U - Pumping of screw pump shaft connector - Google Patents
Pumping of screw pump shaft connector Download PDFInfo
- Publication number
- CN208331029U CN208331029U CN201820790220.2U CN201820790220U CN208331029U CN 208331029 U CN208331029 U CN 208331029U CN 201820790220 U CN201820790220 U CN 201820790220U CN 208331029 U CN208331029 U CN 208331029U
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- China
- Prior art keywords
- terminal pad
- pumping
- screw pump
- motor shaft
- shaft
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Abstract
The utility model discloses a kind of pumping of screw pump shaft connectors, belong to screw pump field, it is intended to improve the installation effectiveness of motor shaft and rotor, its key points of the technical solution are that being fixedly connected for motor shaft and rotor, including the preceding connector being fixedly connected with motor shaft, the preceding connector is fixed with the preceding terminal pad coaxial with motor shaft backwards to one end of motor shaft, the coupling band for being fixed with highly elastic material injection molding is arranged outside the preceding terminal pad, the coupling band is fixedly installed rear terminal pad backwards to one end of motor shaft, the rear connecting shaft being fixedly connected with the rotor is fixedly installed in terminal pad after described.The utility model solves the problems, such as that connection structure is complicated between motor and screw rod, installation effectiveness is low.
Description
Technical field
The utility model relates to screw pump field, in particular to a kind of pumping of screw pump shaft connector.
Background technique
Screw pump is that a kind of motor and water pump direct-connected integrated pull the plug the general water lifting machinery of work, its working principle is that
When input shaft does planet gyration movement around stator by universal joint drive rotor, stator forms sealing with secondary continuously engage of rotor
Chamber is at the uniform velocity axially moved to these seal chamber constancies of volume, and input medium flows through stator-rotator pair from suction side and is delivered to pressure
Outlet, the medium for inputting seal chamber flow through stator without being stirred and destroying.
Application publication number is that the Chinese invention patent of CN104912811A discloses a kind of screw pump, which mainly includes
Stator, screw rod, the pump housing and bearing block are included, screw rod is located in stator, is provided with pull rod on the outside of stator, stator side is provided with outlet
Short tube, outlet stubs are fixedly connected with pull rod, and stator, the pump housing and bearing block are fixedly connected sequentially, and bearing is provided in bearing block
And main shaft, connecting rod is provided in the pump housing, connecting rod two end is respectively arranged with universal joint one and universal joint two, and connecting rod passes through universal joint one
It is connect with screw rod, connecting rod is connect by universal joint two with main shaft, and main shaft side is provided with shaft coupling and motor, and motor passes through shaft coupling
Device is connect with main shaft.
Once pass through universal joint one, connecting rod, universal joint two, main shaft, shaft coupling connection, connection structure between motor and screw rod
Complexity, installation effectiveness are lower.
Utility model content
The purpose of this utility model is to provide a kind of pumping of screw pump shaft connectors, have and simplify motor shaft and impeller shaft
Between connection structure, improve installation effectiveness the advantages of.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of screw pump pump shaft connects
Connection device, for being fixedly connected for motor shaft and rotor, including the preceding connector being fixedly connected with motor shaft, the preceding connector
It is fixed with the preceding terminal pad coaxial with motor shaft backwards to one end of motor shaft, is arranged outside the preceding terminal pad and is fixed with high resiliency material
Expect that the coupling band of injection molding, the coupling band are fixedly installed rear terminal pad, the rear terminal pad backwards to one end of motor shaft
On be fixedly installed the rear connecting shaft being fixedly connected with the rotor.
By using above-mentioned technical proposal, after preceding terminal pad and rear terminal pad are put on coupling band production mould, Xiang Mo
Sizing material is injected in tool and is solidified, and is fixedly connected with preceding terminal pad with rear terminal pad after coupling band solidification, by preceding connector and motor
Axis is fixedly connected, and rear connecting shaft is fixedly connected with the rotor, and is realized the flexible connection of motor shaft and rotor, is utilized coupling band itself
Elasticity can greatly reduce rotor eccentricity rotation when to motor shaft bring impact, improve motor service life；Motor shaft with turn
Connection structure between son is relatively simple, and installation is easy to operate, and installation effectiveness is higher.
The utility model is further arranged to: is offered in the preceding terminal pad along the setting of preceding terminal pad centerline direction
Preceding connecting hole is provided with the front transfer bar chimeric with preceding connecting hole on the coupling band；
The rear connecting hole along the setting of rear terminal pad centerline direction is offered after described in terminal pad, is set on the coupling band
It is equipped with the rear transmission lever chimeric with rear connecting hole.
By using above-mentioned technical proposal, preceding connecting hole and when opening up convenient for coupling band using mold production of rear connecting hole
The circulation of sizing material improves the product quality of coupling band；The premenstrual transmission lever of part torque that terminal pad generates before simultaneously passes to connection
Axle sleeve, the part torque of coupling band terminal pad after transmission lever passes to after, increases preceding terminal pad, rear terminal pad and coupling band and connects
The bonding strength connect.
The utility model is further arranged to: the preceding connecting hole is set along own axes direction and backwards to one end of motor shaft
It is equipped with preceding chamfering, the rear connecting hole is respectively arranged with rear chamfering along own axes direction both ends.
By using above-mentioned technical proposal, in front transfer when the setting of preceding chamfering and rear chamfering can make coupling band injection molding
Bar and rear transmission lever and coupling band junction generate the chamfering cooperated with preceding chamfering and rear chamfering, increase front transfer bar and rear transmitting
The structural strength of bar and coupling band junction.
The utility model is further arranged to: the preceding connecting hole is circumferentially evenly equipped with multiple along preceding terminal pad, connects after described
Connect hole be circumferentially evenly equipped with along rear terminal pad it is multiple.
By using above-mentioned technical proposal, the contact surface of terminal pad and coupling band before the setting of multiple preceding connecting holes increases
Product, the bonding strength before improving between terminal pad and coupling band；The setting of connecting hole increases rear terminal pad and connection after multiple
The contact area of axle sleeve improves the bonding strength between rear terminal pad and coupling band.
The utility model is further arranged to: diameter is provided between the preceding terminal pad and preceding connector less than preceding connection
The preceding connecting shaft of disk.
By using above-mentioned technical proposal, preceding connecting shaft can increase the contact area of coupling band Yu preceding terminal pad, enhancing connection
Bonding strength between axle sleeve and preceding terminal pad.
The utility model is further arranged to: the preceding terminal pad is respectively arranged with preceding rounding along own axes direction both ends
Angle；Terminal pad is respectively arranged with rear rounded corner along own axes direction both ends after described.
By using above-mentioned technical proposal, the setting of preceding rounded corner and rear rounded corner is by the point of preceding terminal pad and rear terminal pad
Sharp seamed edge becomes smooth curl, to damage caused by coupling band when reducing preceding terminal pad and rear terminal pad and coupling band interaction
Wound.
The utility model is further arranged to: one end of the rotor towards motor shaft is installed with rotor axle sleeve, and described turn
The connecting screw for being fixed on rear connecting shaft is installed in sub- axle sleeve.
By using above-mentioned technical proposal, connecting screw rotation is set in rotor axle sleeve to the peace for realizing rotor and rear connecting shaft
Dress, mounting means are simple and fast.
The utility model is further arranged to: the preceding connector side is risen as high as the banks before being equipped with, and is connected after described
It rises as high as the banks after being symmetrically arranged with axis side.
By using above-mentioned technical proposal, the preceding setting risen as high as the banks with after of rising as high as the banks is convenient for rotating preceding connector and rear connecting shaft,
Facilitate the installation of preceding connector and rear connecting shaft.
The utility model is further arranged to: the preceding terminal pad and rear terminal pad rough surface.
By using above-mentioned technical proposal, before the rough surface of preceding terminal pad and rear terminal pad can increase when coupling band is molded
Contact area between terminal pad and rear terminal pad and coupling band, and then improve between preceding terminal pad and rear terminal pad and coupling band
Bonding strength.
The utility model is further arranged to: the coupling band is made using natural rubber material.
By using above-mentioned technical proposal, natural rubber elasticity is big, and orientation contracting strength is high, tear resistance and electrical insulating property
Excellent, alkali resistance, wearability and drought tolerance are good, and processing performance is preferable, are easy to bond with other materials, make the synthesis of coupling band
Superior performance.
In conclusion the utility model has the following beneficial effects:
1, the connection structure between motor shaft and rotor is relatively simple, and installation is easy to operate, and installation effectiveness is higher；
2, to motor shaft band when coupling band natural resiliency made of natural rubber can preferably greatly reduce rotor eccentricity rotation
The impact come improves motor service life；
3, the bonding strength that front transfer bar and rear transmission lever increase preceding terminal pad, rear terminal pad is connect with coupling band.
Detailed description of the invention
Fig. 1 is the general profile structural schematic diagram of embodiment 1；
Fig. 2 is the schematic diagram of the section structure of preceding terminal pad in embodiment 1；
Fig. 3 is the schematic diagram of the section structure of coupling band in embodiment 1；
Fig. 4 is the schematic diagram of the section structure of rear terminal pad in embodiment 1；
Fig. 5 is the schematic diagram of the section structure of preceding connector in embodiment 2；
Fig. 6 is the schematic diagram of the section structure of rear connecting shaft in embodiment 2；
Fig. 7 is the general profile structural schematic diagram of embodiment 3.
In figure, 1, motor shaft；11, external screw thread；2, rotor；21, rotor axle sleeve；22, connecting screw hole；3, coupling body；31,
Preceding connector；311, preceding to rise as high as the banks；32, preceding terminal pad；321, preceding rounded corner；322, preceding connecting hole；323, preceding chamfering；33, preceding company
Spindle；34, preceding knuckle；35, rear terminal pad；351, rear rounded corner；352, rear connecting hole；353, rear chamfering；36, rear connection
Axis；361, it rises as high as the banks after；37, rear knuckle；38, connecting screw；4, coupling band；41, the first circular groove；42, the second circular groove；43,
Third circular groove；44, the 4th circular groove；45, front transfer bar；46, rear transmission lever.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment 1
A kind of pumping of screw pump shaft connector, as shown in Figure 1, the pump shaft connection structure of immersible pump includes motor shaft 1 and turns
Son 2.The coupling body 3 for driving motor shaft 1 and rotor 2 to rotate synchronously is connected between motor shaft 1 and rotor 2.
As depicted in figs. 1 and 2, one end of motor shaft 1 towards rotor 2 offers external screw thread 11.Coupling body 3 includes that rotation is set
It is fixed on the preceding connector 31 of 1 external screw thread 11 of motor shaft, preceding connector 31 has been wholely set and has before connected backwards to one end of motor shaft 1
The coaxial preceding terminal pad 32 of connector 31, preceding terminal pad 32 is respectively arranged with preceding rounded corner 321 along own axes direction both ends, preceding,
Multiple preceding connecting holes 322 are circumferentially evenly equipped in terminal pad 32, preceding connecting hole 322 is set as eight in the present embodiment.Preceding connection
Hole 322 is provided with preceding chamfering 323 along preceding 31 axis direction of connector and backwards to one end of motor shaft 1.
As shown in Fig. 2, being wholely set diameter between preceding terminal pad 32 and preceding connector 31 less than preceding 32 diameter of terminal pad
Preceding connecting shaft 33, knuckle 34 before preceding connecting shaft 33 is provided with preceding 32 junction of terminal pad.
As shown in figures 1 and 3, the coupling band 4 of injection molding is arranged with outside preceding terminal pad 32, the material of coupling band 4 is height
Molecular elastic material, the material of coupling band 4 is natural rubber in the present embodiment.The preceding connecting shaft of receiving is offered on coupling band 4
33 the first circular groove 41,41 bottom surface of the first circular groove offer the second circular groove 42 for accommodating preceding terminal pad 32, integrally set on coupling band 4
It is equipped with the front transfer bar 45 being located in the second circular groove 42 and before being embedded in connecting hole 322.
As shown in Figure 1 and Figure 4, coupling band 4 terminal pad 35, rear terminal pad 35 after the fixed setting of one end of motor shaft 1
It is respectively arranged with rear rounded corner 351 along own axes direction both ends, multiple rear connecting holes are circumferentially evenly equipped in rear terminal pad 35
352, rear connecting hole 352 is set as eight in the present embodiment.Connecting hole 352 is distinguished along the both ends of rear connector axis direction afterwards
It is provided with rear chamfering 353.Flowing of the setting of connecting hole 352 convenient for sizing material when 4 injection molding of coupling band afterwards, terminal pad after enhancing
Sticking strength between 35 and coupling band 4.
As shown in figure 4, rear terminal pad 35 has been wholely set diameter less than rear 35 diameter of terminal pad backwards to one end of motor shaft 1
Rear connecting shaft 36, rear connecting shaft 36 is provided with rear knuckle 37 with rear 35 junction of terminal pad.
As shown in Figure 3 and Figure 4, coupling band 4 backwards to motor shaft 1 one end offer receiving after connecting shaft 36 and with first circle
The coaxial third circular groove 43 of slot 41,43 bottom surface of third circular groove offer the 4th circular groove 44 of terminal pad 35 after receiving.On coupling band 4
It is wholely set the rear transmission lever 46 in the 4th circular groove 44 and being embedded in rear connecting hole 352.
As shown in figure 4, rear connecting shaft 36 backwards to one end of rear terminal pad 35 be wholely set it is coaxial with rear terminal pad 35 and
Diameter is less than the connecting screw 38 of rear connecting shaft 36.
As shown in Figure 1, one end of rotor 2 towards motor shaft 1 has been wholely set rotor axle sleeve 21, rotor axle sleeve 21 turns backwards
One end of son 2 offers the connecting screw hole 22 being threadedly coupled with connecting screw 38.
As shown in Figure 2 and Figure 4, preceding terminal pad 32 and 33 surface of preceding connecting shaft are rough surface, rear terminal pad 35 and rear transition
37 surface of rounded corner is rough surface.
A kind of pumping of screw pump shaft connector, the course of work are as follows:
After preceding terminal pad 32 and rear terminal pad 35 are put on 4 production mould of coupling band, rubber size is injected into mold
And solidified, preceding terminal pad 32 is fixedly connected by coupling band 4 with rear terminal pad 35, before being wholely set with preceding terminal pad 32
Connector 31 and the rotation of motor shaft 1 are fixed, and rear connecting shaft 36 and the rotation of rotor axle sleeve 21 are fixed, realize motor shaft 1 and rotor 2
Flexible connection, the connection structure between motor shaft 1 and rotor 2 is relatively simple, and easy for installation, installation effectiveness is higher.
Embodiment 2
A kind of pumping of screw pump shaft connector, difference from Example 1 be, as shown in Figure 5 and Figure 6, preceding connector
31 sides rise as high as the banks 311 before being equipped with, rear 36 side of connecting shaft rises as high as the banks 361 after being symmetrically arranged with.Before rise as high as the banks 311 and rear flat
The rotation of preceding connector 31 and rear connecting shaft 36, the installation of convenient preceding connector 31 and rear connecting shaft 36 are convenient in the setting of slot 361.
Embodiment 3
A kind of pumping of screw pump shaft connector, difference from Example 1 are, as shown in Figure 1, preceding terminal pad 32 is with before
33 surface of connecting shaft is annular knurl face, and rear terminal pad 35 and rear transition chamfering surface are annular knurl face.The setting in annular knurl face further increases
Bonding strength is turned up in contact area between big preceding terminal pad 32 and rear terminal pad 35 and coupling band 4 in turn.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of pumping of screw pump shaft connector, for being fixedly connected for motor shaft (1) and rotor (2), it is characterised in that: including
The preceding connector (31) being fixedly connected with motor shaft (1), the preceding connector (31) backwards to motor shaft (1) one end be fixed with
The coaxial preceding terminal pad (32) of motor shaft (1), the preceding terminal pad (32) are arranged are fixed with highly elastic material injection molding outside
Coupling band (4), the coupling band (4) are fixedly installed rear terminal pad (35) backwards to the one end of motor shaft (1), the rear terminal pad
(35) the rear connecting shaft (36) being fixedly connected with rotor (2) is fixedly installed on.
2. pumping of screw pump shaft connector according to claim 1, it is characterised in that: opened up on the preceding terminal pad (32)
There is the preceding connecting hole (322) along the setting of preceding terminal pad (32) centerline direction, is provided with and preceding connecting hole on the coupling band (4)
(322) chimeric front transfer bar (45)；
The rear connecting hole (352) along the setting of rear terminal pad (35) centerline direction is offered after described in terminal pad (35), it is described
The rear transmission lever (46) chimeric with rear connecting hole (352) is provided on coupling band (4).
3. pumping of screw pump shaft connector according to claim 2, it is characterised in that: the preceding connecting hole (322) is along certainly
Body axis direction and be provided with preceding chamfering (323) backwards to the one end of motor shaft (1), it is described after connecting hole (352) along own axes
Direction both ends are respectively arranged with rear chamfering (353).
4. pumping of screw pump shaft connector according to claim 2, it is characterised in that: the preceding connecting hole (322) is along preceding
Terminal pad (32) circumferentially be evenly equipped with it is multiple, it is described after connecting hole (352) along rear terminal pad (35) circumferentially be evenly equipped with it is multiple.
5. pumping of screw pump shaft connector according to claim 1, it is characterised in that: the preceding terminal pad (32) and before connect
The preceding connecting shaft (33) that diameter is less than preceding terminal pad (32) is provided between connector (31).
6. pumping of screw pump shaft connector according to claim 1, it is characterised in that: the preceding terminal pad (32) is along itself
Axis direction both ends are respectively arranged with preceding rounded corner (321)；Terminal pad (35) is set respectively along own axes direction both ends after described
It is equipped with rear rounded corner (351).
7. pumping of screw pump shaft connector according to claim 1, it is characterised in that: the rotor (2) is towards motor shaft
(1) one end is installed with rotor axle sleeve (21), is installed with the connection for being fixed on rear connecting shaft (36) in the rotor axle sleeve (21)
Screw rod (38).
8. pumping of screw pump shaft connector according to claim 1, it is characterised in that: preceding connector (31) side pair
Title is risen as high as the banks (311) before being equipped with, and (361) are risen as high as the banks after being symmetrically arranged in described rear connecting shaft (36) side.
9. pumping of screw pump shaft connector according to claim 1, it is characterised in that: the preceding terminal pad (32) and after connect
Connect disk (35) rough surface.
10. pumping of screw pump shaft connector according to claim 1, it is characterised in that: the coupling band (4) uses natural
Rubber material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820790220.2U CN208331029U (en) | 2018-05-24 | 2018-05-24 | Pumping of screw pump shaft connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820790220.2U CN208331029U (en) | 2018-05-24 | 2018-05-24 | Pumping of screw pump shaft connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331029U true CN208331029U (en) | 2019-01-04 |
Family
ID=64775125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820790220.2U Expired - Fee Related CN208331029U (en) | 2018-05-24 | 2018-05-24 | Pumping of screw pump shaft connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208331029U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118229A (en) * | 2019-05-16 | 2019-08-13 | 郭丽云 | A kind of one-way fashion attachment device between rotary shaft body |
| CN111828311A (en) * | 2020-07-21 | 2020-10-27 | 浙江泰福泵业股份有限公司 | Submersible pump |
-
2018
- 2018-05-24 CN CN201820790220.2U patent/CN208331029U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118229A (en) * | 2019-05-16 | 2019-08-13 | 郭丽云 | A kind of one-way fashion attachment device between rotary shaft body |
| CN111828311A (en) * | 2020-07-21 | 2020-10-27 | 浙江泰福泵业股份有限公司 | Submersible pump |
| CN111828311B (en) * | 2020-07-21 | 2022-12-23 | 浙江泰福泵业股份有限公司 | Submersible pump |
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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: 20190104 Termination date: 20190524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |