CN207229453U - A kind of centrifugal pump with self-locking device - Google Patents
A kind of centrifugal pump with self-locking device Download PDFInfo
- Publication number
- CN207229453U CN207229453U CN201721060787.6U CN201721060787U CN207229453U CN 207229453 U CN207229453 U CN 207229453U CN 201721060787 U CN201721060787 U CN 201721060787U CN 207229453 U CN207229453 U CN 207229453U
- Authority
- CN
- China
- Prior art keywords
- impeller
- self
- centrifugal pump
- clamping screw
- locking device
- 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
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of centrifugal pump with self-locking device, includes impeller, it is characterised in that：Main shaft is connected with by threaded hole on the right side of the impeller, the impeller center left end is provided with convex shape locking mounting hole, the clamping screw set in the locking mounting hole is connected through impeller with main shaft, seal washer is provided between the clamping screw and impeller, capillary groove is provided between the seal washer and impeller, the clamping screw is arranged to half-thread.The self-locking anti-reverse mechanism that the utility model impeller is connected with main shaft using double thread, it is ensured that the security used.
Description
Technical field
The utility model belongs to BGS centrifugal pumps field, more particularly to a kind of centrifugal pump with self-locking device.
Background technology
In the prior art, impeller is with main shaft using being threadedly coupled, and when pumping shutdown, impeller is likely to occur reversion with main shaft,
So as to which there are security risk.
The content of the invention
The utility model provides a kind of centrifugal pump with self-locking device, solves above technical problem.
What the purpose of this utility model was realized in：A kind of centrifugal pump with self-locking device, comprising impeller, its feature exists
In：Main shaft is connected with by threaded hole on the right side of the impeller, the impeller center left end is provided with convex shape locking installation
Hole, the interior clamping screw set of the locking mounting hole is connected through impeller with main shaft, between the clamping screw and impeller
Seal washer is provided with, capillary groove is provided between the seal washer and impeller, the clamping screw is arranged to half-thread.
Preferably, the rotation direction of the clamping screw and the thread rotary orientation of threaded hole are opposite.
Preferably, bolt connecting hole is provided with impeller on the right side of the locking mounting hole, the bolt connecting hole
Escape is provided between threaded hole.
Preferably, the bolt connecting hole right end is provided with the conical surface, and the central angle of the conical surface is arranged to α, described
α be arranged to 130 °.
Preferably, the endoporus high order end of the bolt connecting hole is provided with seal groove, is provided with the seal groove
Sealing ring.
Preferably, the capillary groove outermost end is arranged to D, the radius of the seal washer to impeller center linear distance
D is arranged to, the D is more than d.
The self-locking anti-reverse mechanism that the utility model impeller is connected with main shaft using double thread, it is ensured that the security used；
The bolt connection is arranged to H, and the length H is more than length h, and the bolt connecting hole right end is provided with cone
Face, the central angle of the conical surface are arranged to α, and the α is arranged to 130 °, during self-locking, protect the screw thread of clamping screw, avoid
Collide with bolt connecting hole plane；The design of the double-layer seal of capillary groove and seal groove, improves sealing performance.
Brief description of the drawings
Fig. 1 is the utility model section view.
Fig. 2 is the utility model I enlarged diagrams.
In figure：1st, impeller, 101, locking mounting hole, 2, clamping screw, 3, seal washer, 4, capillary groove, 5, be bolted
Hole, 6, threaded hole, 7, main shaft, 8, seal groove.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, but not as the limitation to the utility model：
In the accompanying drawings：A kind of centrifugal pump with self-locking device, includes impeller 1, it is characterised in that：The right side of impeller 1
Main shaft 7 is connected with by threaded hole 6, the 1 center left end of impeller is provided with convex shape locking mounting hole 101, the lock
The clamping screw 2 set in tight mounting hole 101 is connected through impeller 1 with main shaft 6, is set between the clamping screw 2 and impeller 1
There is seal washer 3, capillary groove 4 is provided between the seal washer 3 and impeller 1, the clamping screw 2 is arranged to half spiral shell
Line.
The rotation direction of the clamping screw 2 is with the thread rotary orientation of threaded hole 6 on the contrary, realizing the anti-reverse work(of double thread self-locking
Energy.
The right side of the locking mounting hole 101 is provided with bolt connecting hole 5 in impeller 1, the bolt connecting hole 5 with
Escape is provided between threaded hole 6, the polished rod length of the clamping screw 2 is arranged to h, 5 length of bolt connecting hole
H is arranged to, the length H is more than length h, and 5 right end of bolt connecting hole is provided with the conical surface, the center of the conical surface
Angle is arranged to α, and the α is arranged to 130 °, during self-locking, protects the screw thread of clamping screw 2, avoids and 5 plane of bolt connecting hole
Collide.
The endoporus high order end of the bolt connecting hole 5 is provided with seal groove 8, and sealing is provided with the seal groove 8
Circle, improves its sealing performance.
4 outermost end of capillary groove is arranged to D to 1 center line distance of impeller, and the radius of the seal washer 3 is set
It is more than d for d, the D, capillary groove 4 is used for water storage and waterproof.
Above-described embodiment is only intended to clearly illustrate the description that the utility model is made, and not to the limit of embodiment
It is fixed, to those of ordinary skill in the art, other various forms of changes can also be made on the basis of the above description
Or change, there is no necessity and possibility to exhaust all the enbodiments, and the obvious change thus amplified out
Or among changing still in the scope of protection of the utility model.
Claims (6)
1. a kind of centrifugal pump with self-locking device, includes impeller（1）, it is characterised in that：The impeller（1）Right side passes through screw thread
Hole（6）It is connected with main shaft（7）, the impeller（1）Center left end is provided with convex shape locking mounting hole（101）, the lock
Tight mounting hole（101）The clamping screw of interior setting（2）Through impeller（1）With main shaft（7）It is connected, the clamping screw（2）With
Impeller（1）Between be provided with seal washer（3）, the seal washer（3）With impeller（1）Between be provided with capillary groove（4）, it is described
Clamping screw（2）It is arranged to half-thread.
A kind of 2. centrifugal pump with self-locking device according to claim 1, it is characterised in that：The clamping screw（2）
Rotation direction and threaded hole（6）Thread rotary orientation it is opposite.
A kind of 3. centrifugal pump with self-locking device according to claim 1, it is characterised in that：The locking mounting hole
（101）Right side is provided with bolt connecting hole（5）In impeller（1）Interior, described bolt connecting hole（5）With threaded hole（6）Between set
There is escape；The clamping screw（2）Polished rod length be arranged to h, the bolt connecting hole（5）Length is arranged to H, institute
The length H stated is more than length h.
A kind of 4. centrifugal pump with self-locking device according to claim 3, it is characterised in that：The bolt connecting hole
（5）Right end is provided with the conical surface, and the central angle of the conical surface is arranged to α, and the α is arranged to 130 °.
A kind of 5. centrifugal pump with self-locking device according to claim 3, it is characterised in that：The bolt connecting hole
（5）Endoporus high order end be provided with seal groove（8）, the seal groove（8）Inside it is provided with sealing ring.
A kind of 6. centrifugal pump with self-locking device according to claim 1, it is characterised in that：The capillary groove（4）Most
Outer end is to impeller（1）Center line distance is arranged to D, the seal washer（3）Radius be arranged to d, the D is more than d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060787.6U CN207229453U (en) | 2017-08-23 | 2017-08-23 | A kind of centrifugal pump with self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060787.6U CN207229453U (en) | 2017-08-23 | 2017-08-23 | A kind of centrifugal pump with self-locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229453U true CN207229453U (en) | 2018-04-13 |
Family
ID=61857567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721060787.6U Expired - Fee Related CN207229453U (en) | 2017-08-23 | 2017-08-23 | A kind of centrifugal pump with self-locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125198A1 (en) * | 2018-12-17 | 2020-06-25 | 珠海格力电器股份有限公司 | Impeller component and compressor having same |
-
2017
- 2017-08-23 CN CN201721060787.6U patent/CN207229453U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125198A1 (en) * | 2018-12-17 | 2020-06-25 | 珠海格力电器股份有限公司 | Impeller component and compressor having same |
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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: 20180413 Termination date: 20200823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |