CN215486787U - Impeller anti-loosening device for pump - Google Patents
Impeller anti-loosening device for pump Download PDFInfo
- Publication number
- CN215486787U CN215486787U CN202121325511.2U CN202121325511U CN215486787U CN 215486787 U CN215486787 U CN 215486787U CN 202121325511 U CN202121325511 U CN 202121325511U CN 215486787 U CN215486787 U CN 215486787U
- Authority
- CN
- China
- Prior art keywords
- fixing
- impeller
- rod
- nut
- plate
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an impeller anti-loosening device for a pump, which comprises a pump shaft, a nut, a hub, an impeller, a fixing assembly and a locking assembly, wherein the nut is sleeved on the pump shaft, the hub is sleeved on the nut, the impeller is sleeved on the hub, one end of the fixing assembly is arranged on the hub, the other end of the fixing assembly is arranged on the pump shaft, and the locking assembly is arranged on the fixing assembly. The utility model belongs to the technical field of mechanical pumps, and particularly relates to an impeller anti-loosening device for a pump, which is characterized in that a hub, a nut and a pump shaft are fixedly connected through a fixing assembly, and the fixing assembly is locked by matching with a locking piece so as to prevent an impeller from loosening.
Description
Technical Field
The utility model belongs to the technical field of mechanical pumps, and particularly relates to an impeller anti-loosening device for a pump.
Background
In the prior art, an impeller head and a pump shaft of the pump are in threaded connection, the threaded connection is adopted mainly for preventing the impeller from loosening, but when the medium is stopped to be conveyed each time, the medium falls back to a suction end of the pump, a backflow phenomenon occurs to a certain degree, the impeller rotates reversely to the working state when the medium falls back, the reverse rotation of the impeller is consistent with the rotation direction of loosening of an impeller nut, a loosening rotation torque can be generated at the impeller nut, and the loosening rotation torque can cause the damage of a stop washer, so that the impeller loosens; when the impeller head is loosened, the impeller cannot normally operate when being started next time, and the whole pump is vibrated. At the moment, the shaft pump needs to be disassembled, and can normally work after being overhauled.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides the impeller anti-loosening device for the pump, which is used for fixedly connecting the hub and the nut with the pump shaft through the fixing component and locking the fixing component by matching with the locking piece so as to prevent the impeller from loosening.
In order to realize the functions, the technical scheme adopted by the utility model is as follows: an impeller anti-loosening device for a pump comprises a pump shaft, a nut, a hub, an impeller, a fixing assembly and a locking assembly, wherein the nut is sleeved on the pump shaft, the hub is sleeved on the nut, the impeller is sleeved on the hub, one end of the fixing assembly is arranged on the hub, the other end of the fixing assembly is arranged on the pump shaft, and the locking assembly is arranged on the fixing assembly; the fixing component comprises a lantern ring, a fixing plate, a groove, a supporting plate, a lead screw pair, an anti-loosening plate, a spring, an adjusting rod and a fixing rod, wherein the lantern ring is symmetrically arranged at the end part of the pump shaft, one end of the fixing plate is sleeved on the lantern ring, the other end of the fixing plate is arranged on the side surface of the hub, the groove is symmetrically arranged on the pump shaft and is arranged on one side of the nut far away from the fixing plate, the supporting plate is symmetrically arranged on the pump shaft and is arranged on one side of the nut far away from the fixing plate, one end of the lead screw can be rotatably arranged in the lantern ring, the other end of the lead screw pair can be movably sleeved on the lead screw and is arranged on one side of the nut far away from the fixing plate, the anti-loosening plate is connected to the lead screw pair, one end of the spring is connected to the lead screw pair, the other end of the spring is connected to the side of the groove far away from the supporting plate, the adjusting rod penetrates through the lead screw, the fixing rod is connected to the adjusting rod and is arranged in the lantern ring, the fixing rod is pulled out of the sleeve ring, the fixing rod is rotated, the fixing rod drives the adjusting rod to rotate, the adjusting rod drives the lead screw to rotate, the lead screw drives the lead screw pair to move towards the direction close to the nut, the lead screw pair drives the anti-loosening plate to move towards the direction close to the nut, the pump shaft, the nut and the hub are fixed among the fixing plates, the fixed connection effect on the pump shaft, the nut and the hub is achieved, and looseness is prevented from occurring when the impeller is reversed.
Further, the dead lock piece includes dead lock groove and dead lock board, the dead lock groove is located the cover intra-annular, on the dead lock board was located the dead lock, fixed subassembly accomplished fixed back, impels the cover intra-annular to the dead lock, utilizes the dead lock groove to clamp the dead lock board, prevents that the dead lock from rotating, realizes the fixed action to the dead lock to the realization is to the dead lock process of fixed subassembly.
Furthermore, the dead lever is telescopic rod structure setting, is convenient for push out the dead board of lock dead inslot, realizes the fixed of dead lever and loosens the process to the realization is to the accommodation process of fixed subassembly.
Furthermore, the inner shape of the screw is matched with that of the adjusting rod, so that the adjusting rod and the screw are prevented from loosening, and the adjusting rod can drive the screw to rotate.
The utility model adopts the structure to obtain the following beneficial effects: the utility model provides an impeller anti-loosening device for a pump, which is characterized in that a fixed rod is pulled out of a sleeve ring, the fixed rod is rotated, the fixed rod drives a regulating rod to rotate, the regulating rod drives a lead screw to rotate, the lead screw drives a lead screw pair to move towards a direction close to a nut, the lead screw pair drives an anti-loosening plate to move towards a direction close to the nut, a pump shaft, the nut and a wheel hub are fixed among the fixed plates, the fixed connection effect of the pump shaft, the nut and the wheel hub is realized, the impeller is prevented from loosening when reversed, the fixed rod is pushed into the sleeve ring, a locking plate is clamped by a locking groove, the fixed rod is prevented from rotating, the fixed action of the fixed rod is realized, the locking process of a fixed assembly is realized, the fixed rod is arranged in a telescopic rod structure, the locking plate is conveniently pushed out of the locking groove, the fixing and loosening processes of the fixed rod are realized, and the regulating process of the fixed assembly is realized, the inner shape of the screw is matched with that of the adjusting rod, so that the adjusting rod is prevented from loosening with the screw, and the adjusting rod can drive the screw to rotate.
Drawings
Fig. 1 is a schematic overall structure diagram of an impeller anti-loosening device for a pump according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
FIG. 4 is a side view of a collar and a locking groove of an anti-loosening device for a pump impeller according to the present invention;
FIG. 5 is a cross-sectional view of a screw rod of an anti-loosening device for a pump impeller according to the present invention;
fig. 6 is a sectional view of an adjusting lever in an impeller release prevention device for a pump according to the present invention.
The anti-loosening device comprises a pump shaft 1, a pump shaft 2, a nut 3, a hub 4, an impeller 5, a fixing assembly 6, a locking piece 7, a lantern ring 8, a fixing plate 9, a groove 10, a supporting plate 11, a lead screw 12, a lead screw pair 13, an anti-loosening plate 14, a spring 15, an adjusting rod 16, a fixing rod 17, a locking groove 18 and a locking plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-6, the impeller anti-loosening device for the pump of the present invention includes a pump shaft 1, a nut 2, a hub 3, an impeller 4, a fixing assembly 5 and a locking member 6, wherein the nut 2 is sleeved on the pump shaft 1, the hub 3 is sleeved on the nut 2, the impeller 4 is sleeved on the hub 3, one end of the fixing assembly 5 is disposed on the hub 3, the other end is disposed on the pump shaft 1, and the locking member 6 is disposed on the fixing assembly 5; the fixing component 5 comprises a lantern ring 7, a fixing plate 8, a groove 9, a supporting plate 10, a lead screw 11, a lead screw pair 12, an anti-loosening plate 13, a spring 14, an adjusting rod 15 and a fixing rod 16, wherein the lantern ring 7 is symmetrically arranged at the end part of the pump shaft 1, one end of the fixing plate 8 is sleeved on the lantern ring 7, the other end of the fixing plate 8 is arranged on the side surface of the hub 3, the groove 9 is symmetrically arranged on the pump shaft 1 and is arranged at one side of the nut 2 away from the fixing plate 8, the supporting plate 10 is symmetrically arranged on the pump shaft 1 and is arranged at one side of the nut 2 away from the fixing plate 8, one end of the lead screw 11 is rotatably arranged in the lantern ring 7, the other end of the lead screw is rotatably arranged on the supporting plate 10, the lead screw pair 12 is movably sleeved on the lead screw 11 and is arranged at one side of the nut 2 away from the fixing plate 8, the anti-loosening plate 13 is connected to the lead screw pair 12, one end of the spring 14 is connected to the side surface of the lead screw pair 12, and the other end of the groove 9 is connected to the side surface of the supporting plate 10, the adjusting rod 15 penetrates through the screw rod 11, and the fixing rod 16 is connected to the adjusting rod 15 and arranged in the lantern ring 7.
The dead lock piece 6 comprises a dead lock groove 17 and a dead lock plate 18, the dead lock groove 17 is arranged in the lantern ring 7, and the dead lock plate 18 is arranged on the fixing rod 16.
The fixing rod 16 is a telescopic rod structure.
The inner shape of the screw rod 11 is matched with the shape of the adjusting rod 15.
When the fixing device is used specifically, the fixing rod 16 is pulled out of the lantern ring 7, the fixing rod 16 is rotated, the fixing rod 16 drives the adjusting rod 15 to rotate, the adjusting rod 15 drives the lead screw 11 to rotate, the lead screw 11 drives the lead screw pair 12 to move towards the direction close to the nut 2, the lead screw pair 12 drives the anti-loosening plate 13 to move towards the direction close to the nut 2, the pump shaft 1, the nut 2 and the hub 3 are fixed between the fixing plates 8, the fixing connection effect of the pump shaft 1, the nut 2 and the hub 3 is achieved, after fixing is completed, the fixing rod 16 is pushed into the lantern ring 7, the locking plate 18 is clamped through the locking groove 17, the fixing rod 16 is prevented from rotating, the fixing effect of the fixing rod 16 is achieved, and therefore the locking process of the fixing assembly 5 is achieved.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (4)
1. The utility model provides a pump impeller locking device which characterized in that: the pump comprises a pump shaft, a nut, a hub, an impeller, a fixing component and a locking component, wherein the nut is sleeved on the pump shaft, the hub is sleeved on the nut, the impeller is sleeved on the hub, one end of the fixing component is arranged on the hub, the other end of the fixing component is arranged on the pump shaft, and the locking component is arranged on the fixing component; the fixing component comprises a lantern ring, a fixing plate, a groove, a supporting plate, a lead screw pair, an anti-loosening plate, a spring, an adjusting rod and a fixing rod, the lantern rings are symmetrically arranged at the end part of the pump shaft, one end of the fixing plate is sleeved on the lantern rings, the other end of the fixing plate is arranged on the side surface of the hub, the grooves are symmetrically arranged on the pump shaft and arranged on one side of the nut away from the fixed plate, the supporting plates are symmetrically arranged on the pump shaft and arranged on one side of the nut away from the fixed plate, one end of the screw rod can be rotatably arranged in the sleeve ring, the other end of the screw rod can be rotatably arranged on the supporting plate, the screw rod pair can be movably sleeved on the screw rod and is arranged on one side of the nut far away from the fixed plate, the anti-loosening plate is connected to the screw rod pair, one end of the spring is connected to the screw rod pair, the other end of the spring is connected to the side face, far away from the supporting plate, of the groove, the adjusting rod penetrates through the screw rod, and the fixing rod is connected to the adjusting rod and arranged in the sleeve ring.
2. The impeller looseness prevention device for the pump according to claim 1, wherein: the locking piece comprises a locking groove and a locking plate, the locking groove is formed in the sleeve ring, and the locking plate is arranged on the fixing rod.
3. The impeller looseness prevention device for the pump according to claim 2, wherein: the fixed rod is arranged in a telescopic rod structure.
4. The impeller looseness prevention device for the pump according to claim 3, wherein: the inner shape of the screw is matched with that of the adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121325511.2U CN215486787U (en) | 2021-06-15 | 2021-06-15 | Impeller anti-loosening device for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121325511.2U CN215486787U (en) | 2021-06-15 | 2021-06-15 | Impeller anti-loosening device for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215486787U true CN215486787U (en) | 2022-01-11 |
Family
ID=79718711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121325511.2U Active CN215486787U (en) | 2021-06-15 | 2021-06-15 | Impeller anti-loosening device for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215486787U (en) |
-
2021
- 2021-06-15 CN CN202121325511.2U patent/CN215486787U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215486787U (en) | Impeller anti-loosening device for pump | |
| CN115608828B (en) | Pipe end forming device and process for clamping and pressing pipe fitting | |
| CN211867166U (en) | Turning clamp for machining hub | |
| CN205677872U (en) | A kind of wheel member with locking functions | |
| CN216306312U (en) | Double-suction centrifugal pump impeller and double-suction centrifugal pump | |
| CN217327788U (en) | Fan every single move's pivot locking structure and have fan of this structure | |
| CN211820333U (en) | Loosening type fastener | |
| CN201575008U (en) | Locking device | |
| CN211181481U (en) | Protection device of L ED display module | |
| CN211230963U (en) | Impeller anti-loosening device for pump | |
| CN111037521B (en) | Rotating shaft locking mechanism and motor maintenance workbench | |
| CN215672080U (en) | Anti-reverse sucker rod stabilizing mechanism | |
| CN210033816U (en) | Miniature high-rotating-speed magnetically-driven gear pump | |
| CN213116833U (en) | Impeller anticreep device for pump | |
| CN220433836U (en) | Wall-hung type toilet locking device | |
| CN214742657U (en) | Combined anti-loose screw nut assembly with cam jacking structure | |
| CN219704984U (en) | Shedding device for machining clamping plate | |
| CN220204182U (en) | Impeller convenient to installation | |
| CN220956141U (en) | Vertical type full-adjusting fluorine axial flow pump | |
| CN213298384U (en) | Water delivery pump capable of realizing quick connection of pipelines | |
| CN210461159U (en) | Improved three-dimensional flow rotor | |
| CN210265242U (en) | Novel pump shaft | |
| CN212455140U (en) | Tool-free quick-dismounting bolt | |
| CN210769787U (en) | Self-locking bolt | |
| CN217440507U (en) | Self-locking screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230605 Address after: No. 1, Unit 1, Building 2, Native Produce Company Building, Tanan Road, Shanyang District, Jiaozuo, Henan Province, 454000 Patentee after: Wang Zilin Address before: 454002 No. 5024-1, group 5, southwest of Ningguo village, Ningguo Town, Jiaozuo City, Henan Province Patentee before: Henan Kaihua Energy Co.,Ltd. |