CN206346924U - A kind of protected type circulating pump - Google Patents
A kind of protected type circulating pump Download PDFInfo
- Publication number
- CN206346924U CN206346924U CN201621459458.4U CN201621459458U CN206346924U CN 206346924 U CN206346924 U CN 206346924U CN 201621459458 U CN201621459458 U CN 201621459458U CN 206346924 U CN206346924 U CN 206346924U
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- CN
- China
- Prior art keywords
- pump shaft
- impeller
- keyway
- pump
- screw rod
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Abstract
The utility model is related to a kind of protected type circulating pump, including pump seat, motor casing, impeller, pump shaft, choma, and impeller, which is provided with impeller keyway, pump shaft, is correspondingly provided with pump shaft keyway, and pump shaft keyway is provided with a connecting key that can be embedded into simultaneously in impeller keyway.Connect key length and be less than pump shaft keyway length and both sliding connections；Rotated in pump shaft keyway and be provided with adjusting screw rod, adjusting screw rod axially penetrates through connecting key and screw thread coordinates between the two；Pump shaft is provided with the axial passage worn for adjusting screw rod, and the adjusting screw rod lower end passes and is located in the axial passage from pump shaft keyway lower surface；Connecting key upper end edge is radially provided with stopper, and stopper is resisted against impeller upper surface and provided with positioning through hole, is correspondingly provided with Blind locating holes, in addition to lock-screw on impeller, and stopper and impeller are connected by lock-screw and positioning through hole, the cooperation of Blind locating holes.This structure can axial location of the micro-positioning regulators impeller on pump shaft to adjust itself and choma distance.
Description
Technical field
The utility model is related to electric pump manufacturing technology field, more particularly to a kind of protected type circulating pump.
Background technology
Common protected type circulating pump includes pump seat, motor casing, impeller, pump shaft, choma, and wherein choma enters installed in impeller
It is the important component for playing sealing and non-return on the corresponding pump seat inwall in mouth end.The spacing of existing impeller and choma is usually
Immobilize, determine can exist in one side production process by pump shaft length, impeller keyway, the isostructural size of pump shaft keyway
Certain foozle, occurs certain abrasion condition during another aspect use, therefore between impeller and choma easily
The problem of appearance distance is excessive or too small, if apart from too small, easily there is fretting wear, serious curtailment service life, it is on the contrary then
Easily there is backflow phenomenon, cause pump work efficiency low.
Utility model content
Technical problem to be solved in the utility model is to overcome above mentioned problem, and one kind is provided can micro-positioning regulators impeller
The protected type circulating pump of axial location on pump shaft, can be prevented effectively from because the reasons such as choma abrasion, mismachining tolerance cause leaf
Wheel is too small or excessive with the distance between choma.
The technical solution of the utility model is：A kind of protected type circulating pump described in the utility model, including pump seat, motor
Shell, impeller, pump shaft, choma, the motor casing are fixed on pump seat upper end, and the impeller is arranged in pump seat and is fixedly set in pump
Axle bottom, wherein, impeller in its mating surface with pump shaft provided with the impeller keyway axially extended, correspondence on pump shaft outer wall
Offer in the pump shaft keyway axially extended, pump shaft keyway provided with a connecting key and the connecting key while being embedded into impeller
In keyway, it is characterised in that：The axial length of the connecting key is less than the axial length of pump shaft keyway and sliding between the two connects
Connect；The central axis phase of the central axis and pump shaft that are provided with an adjusting screw rod and adjusting screw rod is rotated in the pump shaft keyway
It is parallel, the connecting key be provided with axially through tapped through hole, the adjusting screw rod is located in tapped through hole and both it
Between screw thread coordinate；An axial passage worn for adjusting screw rod is further opened with the pump shaft and the axial passage lower end is opened
Put, the adjusting screw rod lower end passes and is located in the axial passage from pump shaft keyway lower surface；
The connecting key upper end has extended radially outward a stopper and the stopper is resisted against impeller upper surface
On, the stopper is provided with positioning through hole, the impeller and is correspondingly provided with Blind locating holes, also includes lock-screw, described
It is screwed in Blind locating holes and is fixedly connected through positioning through hole by lock-screw between stopper and impeller.
By said structure, the utility model can not only realize the work that original connecting key limitation impeller and pump shaft are circumferentially rotated
With, and coordinated by the screw thread of adjusting screw rod and connecting key, circumferential screw is changed into the straight line cunning along pump shaft keyway
Move, change its axial location on pump shaft so as to finely tune to reach the distance between the choma on impeller and pump seat ideal
State, can effectively reduce the abrasion of choma, increase the service life.
Further, in protected type circulating pump described in the utility model, under the lower surface and pump shaft of the adjusting screw rod
End face is concordant, is prevented effectively from adjusting screw rod and protrudes pump shaft lower surface and disturb wheel rotation, and can avoid its own by fluid etc.
Influence is rotated.
Further, in protected type circulating pump described in the utility model, the lower surface of the adjusting screw rod is provided with can
The flat recess coordinated with screwdriver, is easy to carry out micro-positioning regulators by screwdriver.
Further, in protected type circulating pump described in the utility model, the axial length of the pump shaft keyway is more than leaf
The axial length of wheel key way.
The beneficial effects of the utility model are：The utility model sets up the axial fine tuning structure of screw, can overcome script leaf
Wheel on pump shaft axial location fix it is locked the drawbacks of, axially position of the micro-positioning regulators impeller on pump shaft so that its with
The distance between choma on pump seat reaches ideal state, can effectively reduce abrasion, increase the service life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Fig. 3 is impeller and pump shaft connection structure schematic diagram.
Fig. 4 is the exploded perspective view of impeller and pump shaft connection structure.
Embodiment
The utility model is further described in conjunction with accompanying drawing：
Described in reference picture 1- Fig. 4, a kind of protected type circulating pump described in the present embodiment, including pump seat 1, motor casing 2, impeller
3rd, pump shaft 4, choma 5, the motor casing 2 are fixed on the upper end of pump seat 1, and the impeller 3 is arranged in pump seat 1 and is fixedly set in pump
The bottom of axle 4, wherein, impeller 3 in its mating surface with pump shaft 4 provided with the impeller keyway 3-1 axially extended, outside pump shaft 4
Correspondence offers the pump shaft keyway 4-1, the pump shaft keyway 4-1 that axially extend axial length more than impeller keyway 3- on wall
1 axial length.Provided with a connecting key 6 and the connecting key 6 while being embedded into impeller keyway 3-1 in pump shaft keyway 4-1.
The axial length of the connecting key 6 is less than pump shaft keyway 4-1 axial length and between the two sliding connection.
The central axis and pump shaft 4 for being provided with an adjusting screw rod 7 and adjusting screw rod 7 are rotated in the pump shaft keyway 4-1
Central axis it is parallel, the connecting key 6 be provided with axially through tapped through hole, the adjusting screw rod 7 is located in screw thread
Logical 8 interior and screw thread cooperations between the two；An axial passage 8 worn for adjusting screw rod 7 and institute are further opened with the pump shaft 4
The opening of the lower end of axial passage 8 is stated, the lower end of adjusting screw rod 7 passes from pump shaft keyway 4-1 lower surfaces and is located in the axial direction
In passage 8.It is worth noting that, in the present embodiment, the lower surface of the adjusting screw rod 7 is concordant with the lower surface of pump shaft 4 and adjusts
The lower surface of screw rod 7 is provided with the flat recess that can coordinate with screwdriver.
The upper end of connecting key 6 has extended radially outward a stopper 9 and the stopper 9 is resisted against on impeller 3
On end face, the stopper 9 is provided with positioning through hole 10, the impeller 3 and is correspondingly provided with Blind locating holes 11, also includes locking
Screw 12, be screwed between the stopper 9 and impeller 3 in Blind locating holes 11 through positioning through hole 10 by lock-screw 12 and
It is fixedly connected.
The operation principle of the present embodiment is：In order to avoid foozle or use a small amount of mill occurred after a period of time
Situations such as damaging, corrode, the interior drive adjusting screw rod 7 of flat recess that screwdriver can be used to act on the lower end of adjusting screw rod 7 for this structure revolves
Turn, because the screw thread of adjusting screw rod 7 and connecting key 6 coordinates and connecting key 6 is moved axially along adjusting screw rod 7, this
During connecting key 6 it is solid in one by stopper 9 and impeller 3, can impeller 3 synchronous be axially moved realizes impeller 3 therewith
Axial location adjustment on pump shaft 4, so that the spacing of choma 5 and impeller 3 is adjusted.
Specific embodiment described herein only illustrative principle of the present utility model and its effect, not for
Limit the utility model.Any person skilled in the art all can be without prejudice under spirit and scope of the present utility model, to upper
State embodiment and carry out modifications and changes.Therefore, as long as those of ordinary skill in the art is new without departing from this practicality
Spirit and all equivalent modifications completed under technological thought or change disclosed in type, should be wanted by right of the present utility model
Ask and covered.
Claims (4)
1. a kind of protected type circulating pump, including pump seat, motor casing, impeller, pump shaft, choma, the motor casing are fixed on pump seat
End, the impeller is arranged in pump seat and is fixedly set in pump shaft bottom, wherein, impeller is set in its mating surface with pump shaft
There is corresponding offer on the impeller keyway axially extended, pump shaft outer wall to be set in the pump shaft keyway axially extended, pump shaft keyway
There is a connecting key and the connecting key be while be embedded into impeller keyway, it is characterised in that：The axial length of the connecting key
Axial length and sliding connection between the two less than pump shaft keyway；Rotated in the pump shaft keyway and be provided with an adjusting screw rod
And the central axis of adjusting screw rod is parallel with the central axis of pump shaft, the connecting key be provided with axially through screw thread lead to
Hole, the adjusting screw rod is located in tapped through hole and screw thread coordinates between the two；One is further opened with the pump shaft for tune
The axial passage and the axial passage lower end that section screw rod is worn are opened, and the adjusting screw rod lower end is worn from pump shaft keyway lower surface
Go out and be located in the axial passage；
The connecting key upper end has extended radially outward a stopper and the stopper is resisted against on impeller upper surface, institute
Stopper is stated provided with positioning through hole, Blind locating holes is correspondingly provided with the impeller, also includes lock-screw, the stopper
It is screwed in Blind locating holes and is fixedly connected through positioning through hole by lock-screw between impeller.
2. protected type circulating pump according to claim 1, it is characterised in that：Under the lower surface and pump shaft of the adjusting screw rod
End face is concordant.
3. protected type circulating pump according to claim 1, it is characterised in that：The lower surface of the adjusting screw rod is provided with can
The flat recess coordinated with screwdriver.
4. protected type circulating pump according to claim 1, it is characterised in that：The axial length of the pump shaft keyway is more than leaf
The axial length of wheel key way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459458.4U CN206346924U (en) | 2016-12-29 | 2016-12-29 | A kind of protected type circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459458.4U CN206346924U (en) | 2016-12-29 | 2016-12-29 | A kind of protected type circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206346924U true CN206346924U (en) | 2017-07-21 |
Family
ID=59319153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621459458.4U Active CN206346924U (en) | 2016-12-29 | 2016-12-29 | A kind of protected type circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206346924U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757580A (en) * | 2018-07-16 | 2018-11-06 | 福建鸿燕化工有限公司 | A kind of cellulose acetate propionate production centrifugal blower for facilitating installation |
| CN109268307A (en) * | 2018-10-24 | 2019-01-25 | 浙江朗庆智能科技有限公司 | A kind of centrifugal urea dispenser pump |
-
2016
- 2016-12-29 CN CN201621459458.4U patent/CN206346924U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757580A (en) * | 2018-07-16 | 2018-11-06 | 福建鸿燕化工有限公司 | A kind of cellulose acetate propionate production centrifugal blower for facilitating installation |
| CN108757580B (en) * | 2018-07-16 | 2023-11-24 | 福建鸿燕化工有限公司 | Centrifugal fan convenient to install for cellulose acetate propionate production |
| CN109268307A (en) * | 2018-10-24 | 2019-01-25 | 浙江朗庆智能科技有限公司 | A kind of centrifugal urea dispenser pump |
| CN109268307B (en) * | 2018-10-24 | 2019-05-21 | 浙江朗庆智能科技有限公司 | A kind of centrifugal urea dispenser pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230105 Address after: 318000 No. 88, Minhe Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province (east of the 10th floor of the complex building) Patentee after: Zhejiang Weixin Technology Co.,Ltd. Address before: 317513 West of Chaoyang Road and North of Fugang Road, Shangma Industrial Park, Wenling Economic Development Zone, Taizhou, Zhejiang Patentee before: TAIZHOU WESTONE MACHINERY & ELECTRIC CO.,LTD. |