CN220791511U - Centrifugal pump - Google Patents
Centrifugal pump Download PDFInfo
- Publication number
- CN220791511U CN220791511U CN202322534312.8U CN202322534312U CN220791511U CN 220791511 U CN220791511 U CN 220791511U CN 202322534312 U CN202322534312 U CN 202322534312U CN 220791511 U CN220791511 U CN 220791511U
- Authority
- CN
- China
- Prior art keywords
- pump
- pump body
- fixedly connected
- pump cover
- fixed
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a centrifugal pump, which comprises a pump body, a pump cover, a support, an impeller, a pump shaft and a bearing box, wherein the front side of the pump body is provided with a liquid inlet, the upper side of the pump body is provided with a liquid outlet, the pump cover is positioned at the rear side of the pump body, the support is positioned at the rear side of the pump cover, the bearing box is fixedly connected at the rear side of the support, the impeller is positioned in the pump body, the pump shaft is rotatably arranged in the bearing box, the pump shaft penetrates through the pump cover and is fixedly connected with the impeller, the support comprises a connecting circular ring positioned at the front side, at least three L-shaped fixing pieces are fixedly connected on the front end face of the connecting circular ring in a circumferential direction, each fixing piece comprises a connecting plate integrally formed on the front end face of the connecting circular ring and a buckle plate integrally formed on the front end of the connecting plate, the pump cover is positioned between the connecting circular ring and the pump body, a connecting groove corresponding to the fixing pieces is formed on the pump body, and a stop block for limiting the rear side of the buckle plate is fixedly connected at one side of the pump body.
Description
Technical Field
The utility model relates to the technical field of pump bodies, in particular to a centrifugal pump.
Background
The centrifugal pump refers to a pump for conveying liquid by centrifugal force generated when an impeller rotates, most of the conventional centrifugal pumps generally comprise a pump body, a pump cover, a support, an impeller, a pump shaft and a motor, and part of the centrifugal pumps possibly further comprise bearing boxes, wherein the pump body, the pump cover and the support are connected, the centrifugal pump with the bearing boxes is provided, the bearing boxes are connected with the support, then the motor is fixed on the bearing boxes, the centrifugal pump without the bearing boxes is directly fixed on the support, the impeller is arranged in the pump body and the pump cover, the pump shaft is connected with the impeller, and the pump shaft is driven by the motor.
Because most of the existing centrifugal pumps, the pump body, the pump cover and the bracket are generally fixed only through bolts, and the impeller can generate slight vibration in the rotation process, the bolts are easy to loosen in the long-term use process, so that gaps are generated between the pump cover and the pump body, and the medium in the pump body is easy to leak, for example, the application number is: the pipeline centrifugal pump of CN200420079098.6 consists of a motor, a bracket and a pump body, wherein a pump cover is arranged between the bracket and the pump body, and the bracket is connected with the pump body by bolts, namely, the pump cover is clamped between the bracket and the pump body to form fixation. Therefore, when the bolt is loosened, the medium is easy to leak from the position between the pump body and the pump cover, and the application is improved aiming at the problem.
Disclosure of Invention
The utility model provides a centrifugal pump, which is not easy to leak between a pump cover and a pump body after long-term use, and solves the problems in the using process in the prior art.
The technical scheme of the utility model is realized as follows: the utility model provides a centrifugal pump, includes the pump body, pump cover, support, impeller, pump shaft and bearing box, the pump body front side is equipped with the inlet, the pump body upside is equipped with the liquid outlet, the pump cover is located the pump body rear side, the support is located the pump cover rear side, bearing box fixed connection is at the support rear side, the impeller is located the pump body, the pump shaft rotates and sets up in the bearing box, the pump shaft passes pump cover and impeller fixed connection, the support is including the connection ring that is located the front side, be at least three mounting that is the L form on the preceding terminal surface of connection ring, the mounting is including integrated into one piece connecting plate and integrated into one piece buckle on the connecting plate front end on the terminal surface before connecting the ring, the pump cover is located between connection ring and the pump body, set up the spread groove corresponding with the mounting on the pump body, the pump body is used for forming spacing dog to the buckle rear side in spread groove one side fixedly connected with.
Preferably, a fixed circular plate is fixedly connected to the outer side wall of the pump cover, and a matching opening for the fixing piece to pass through is formed in the fixed circular plate.
Preferably, the matching port comprises a through port and a bayonet, wherein the through port is communicated with the bayonet, the through port is used for allowing the pinch plate to pass through the connecting plate, and the bayonet is only used for allowing the connecting plate to pass through.
Preferably, a first sealing gasket is arranged between the fixed circular plate and the pump body, and a through hole with the same shape as the matching hole is formed in the first sealing gasket.
Preferably, the outer side surface of the connecting ring is fixedly connected with a plurality of first fixing lugs, the outer side wall of the pump body is fixedly connected with second fixing lugs corresponding to the first fixing lugs, the second fixing lugs correspond to the first fixing lugs when the rear side of the buckle plate abuts against the stop block, and bolts are fixedly connected between the first fixing lugs and the second fixing lugs.
Preferably, a first limiting step is formed in the edge of the front end of the pump cover, a retaining plate matched in the first limiting step is arranged on the inner side of the pump body, and a second sealing gasket contacted with the retaining plate is arranged in the first limiting step.
Preferably, the fixing member is provided with six.
In summary, the beneficial effects of the utility model are as follows:
1. when the pump body, the pump cover and the support are connected, the pump cover is positioned between the pump body and the connecting circular ring of the support, then the fixing piece on the connecting circular ring enters the connecting groove of the pump body, then the relative position of the pump body and the connecting circular ring is rotated, the buckle plate on the fixing piece enters the front side of the position where the stop block is located, so that the rear side of the buckle plate is propped against the stop block, the support and the pump body are fixed at the moment, and the pump cover is clamped between the pump body and the connecting circular ring.
2. The fixed circular plate is fixedly connected to the outer side wall of the pump cover, the buckle plate on the connecting circular plate firstly penetrates through the matching opening of the fixed circular plate and then enters the connecting groove of the pump body, the fixed circular plate is clamped between the connecting circular plate and the pump body, the firmness of the pump cover fixed between the connecting frame and the pump body is improved, in addition, a first sealing gasket is further arranged between the fixed circular plate and the pump body, and the sealing performance between the pump cover and the pump body is further improved by the first sealing gasket.
3. The first fixed lug on the connecting ring is fixed with the second fixed lug on the pump body through the bolt, and the structure is mainly used for limiting the relative rotation between the connecting ring and the pump body and preventing the buckle plate from being rotated out of the front side position of the stop block by people at will.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of FIG. 1 when viewed at another angle;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a schematic view of the cross-sectional structure of FIG. 3 in the direction A-A;
FIG. 5 is an enlarged partial schematic view of FIG. 4 at A;
FIG. 6 is an exploded view of the structure of the bracket, pump cap and first gasket of the present utility model;
FIG. 7 is a schematic illustration of the present utility model with the pump body and first gasket removed;
FIG. 8 is a schematic illustration of the pump body of the present utility model removed;
fig. 9 is a schematic structural view of a pump body according to the present utility model.
In the figure: 1. a pump body; 11. a liquid inlet; 12. a liquid outlet; 13. a connecting groove; 14. a stop block; 15. a second fixed ear; 16. a retaining plate; 2. a pump cover; 21. fixing the circular plate; 22. a mating port; 221. a through port; 222. a bayonet; 23. a first limit step; 3. a bracket; 31. connecting the circular rings; 32. a fixing member; 321. a connecting plate; 322. a buckle plate; 33. a first fixed ear; 4. an impeller; 5. a pump shaft; 6. a bearing housing; 7. a first gasket; 71. a through hole; 8. a bolt; 9. and a second gasket.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 9 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
as shown in fig. 1 to 9, the utility model discloses a centrifugal pump, which comprises a pump body 1, a pump cover 2, a bracket 3, an impeller 4, a pump shaft 5 and a bearing box 6, wherein the front side of the pump body 1 is provided with a liquid inlet 11, the upper side of the pump body 1 is provided with a liquid outlet 12, the pump cover 2 is positioned at the rear side of the pump body 1, the bracket 3 is positioned at the rear side of the pump cover 2, in addition, the bearing box 6 is fixedly connected at the rear side of the bracket 3, the impeller 4 is positioned in the pump body 1, the pump shaft 5 is rotatably arranged in the bearing box 6, the pump shaft 5 passes through the pump cover 2 and is fixedly connected with the impeller 4, wherein the bracket 3 comprises a connecting circular ring 31 positioned at the front side, six L-shaped fixing pieces 32 are circumferentially fixedly connected on the front end surface of the connecting circular ring 31, the fixing pieces 32 comprise a connecting plate 321 integrally formed on the front end surface of the connecting circular ring 31 and a pinch plate 322 integrally formed on the front end of the connecting circular ring 321, the pump cover 2 is positioned between the connecting circular ring 31 and the pump body 1, the outer side wall of the pump cover 2 is fixedly connected with a fixing piece 21, the fixing piece 21 is arranged on the outer side of the circular plate 2, the fixing piece 21 is rotatably arranged in the bearing box 6 and is fixedly connected with the impeller 4 through the bearing box 6, the pump cover 5 passes through the connecting circular plate 21 and the connecting circular plate 21 is provided with a corresponding seal groove 13, and the first side 13 is matched with the first seal groove 13, and the corresponding seal groove 13 is formed on the front side, and the sealing groove is matched with the first seal groove 13, and is fixedly connected with the sealing groove 13, and is formed, and is matched with the sealing groove 13, and is matched with the sealing groove, and is formed.
The mating opening 22 includes a through opening 221 and a bayonet 222, wherein the through opening 221 is used for passing through the buckle 322 and the connecting plate 321, and the bayonet 222 is only used for passing through the connecting plate 321.
In the utility model, when the pump body 1, the pump cover 2 and the bracket are connected, the fixing piece 32 on the connecting circular ring 31 is aligned with the matching opening 22 of the fixed circular plate 21 on the pump cover 2, the fixing piece 32 passes through the through opening 221, then the pump cover 2 is rotated to enable the connecting plate 321 of the fixing piece 32 to enter the bayonet 222, at the moment, as shown in fig. 7, the first sealing gasket 7 is installed on the fixing piece 32 in the same way, at the moment, the first sealing gasket 7 is positioned at the front side of the fixed circular plate 21, at the moment, as shown in fig. 8, then the connecting groove 13 of the pump body 1 is aligned with the fixing piece 32, the fixing piece 32 enters the connecting groove 13, then the relative position of the pump body 1 and the connecting circular ring 31 is rotated, the buckling plate 322 on the fixing piece 32 enters the front side of the position where the blocking plate 14 is located, so that the rear side of the buckling plate 322 is abutted against the blocking plate 14, at the moment, the bracket 3 is fixed with the pump body 1, and the fixing piece 21 on the pump cover 2 and the pump cover 2 is clamped between the pump body 1 and the connecting circular ring 31.
Further, a plurality of first fixing lugs 33 are fixedly connected to the outer side surface of the connection ring 31, and a second fixing lug 15 corresponding to the first fixing lugs 33 is fixedly connected to the outer side wall of the pump body 1, the second fixing lugs 15 correspond to the first fixing lugs 33 when the rear side of the pinch plate 322 abuts against the stop block 14, a bolt 8 is fixedly connected between the first fixing lugs 33 and the second fixing lugs 15, the first fixing lugs 33 on the connection ring 31 are fixed with the second fixing lugs 15 on the pump body 1 through the bolt 8, the structure is used for limiting the connection ring 31 and the pump body 1 to rotate relatively without pressing the pump body 1 and the connection ring 31 through the bolt 8, and the pinch plate 322 is prevented from being rotated out of the front side position of the stop block 14 manually and randomly, so that even if the bolt 8 loosens, the sealing effect between the pump cover 2 and the pump body 1 is not influenced.
In the utility model, the front end edge of the pump cover 2 is provided with the first limiting step 23, the inner side of the pump body 1 is provided with the retaining plate 16 which is matched in the first limiting step 23, the first limiting step 23 is internally provided with the second sealing gasket 9 which is contacted with the retaining plate 16, and the sealing effect between the pump cover 2 and the pump body 1 is further improved by the second sealing gasket 9.
Also, the terms pointed out by the present utility model are as follows: the directional or positional relationships indicated by the terms "front", "rear", "vertical", "horizontal", etc., are based on the directional or positional relationships shown in the drawings, are merely for convenience in describing the utility model and to simplify the description, and are not indicative or implying that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed to limit the scope of the utility model.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a centrifugal pump, includes the pump body, pump cover, support, impeller, pump shaft and bearing housing, the pump body front side is equipped with the inlet, the pump body upside is equipped with the liquid outlet, the pump cover is located the pump body rear side, the support is located the pump cover rear side, bearing housing fixed connection is at the support rear side, the impeller is located the pump body, the pump shaft rotates and sets up in the bearing housing, the pump shaft passes pump cover and impeller fixed connection, its characterized in that: the support is including being located the connection ring of front side, be circumference fixedly connected with at least three mounting that is the L form on the preceding terminal surface of connection ring, the mounting is including integrated into one piece connecting plate and the buckle of integrated into one piece on the connecting plate front end on the terminal surface before the connection ring, the pump cover is located between connection ring and the pump body, set up the spread groove corresponding with the mounting on the pump body, the pump body is used for forming the dog of spacing to the buckle rear side in spread groove one side fixedly connected with.
2. A centrifugal pump according to claim 1, wherein: the pump cover is characterized in that a fixed circular plate is fixedly connected to the outer side wall of the pump cover, and a matching opening for the fixing piece to pass through is formed in the fixed circular plate.
3. A centrifugal pump according to claim 2, wherein: the matching port comprises a through port and a bayonet, wherein the through port and the bayonet are communicated, the through port is used for allowing the pinch plate to pass through the connecting plate, and the bayonet is only used for allowing the connecting plate to pass through.
4. A centrifugal pump according to claim 3, wherein: a first sealing gasket is arranged between the fixed circular plate and the pump body, and a through hole with the same shape as the matching hole is formed in the first sealing gasket.
5. A centrifugal pump according to claim 1, wherein: the outer side face of the connecting ring is fixedly connected with a plurality of first fixed lugs, the outer side wall of the pump body is fixedly connected with second fixed lugs corresponding to the first fixed lugs, the second fixed lugs correspond to the first fixed lugs when the rear side of the buckle plate abuts against the stop block, and bolts are fixedly connected between the first fixed lugs and the second fixed lugs.
6. A centrifugal pump according to claim 1, wherein: the pump cover is characterized in that a first limiting step is formed in the edge of the front end of the pump cover, a retaining plate matched in the first limiting step is arranged on the inner side of the pump body, and a second sealing gasket contacted with the retaining plate is arranged in the first limiting step.
7. A centrifugal pump according to claim 1, wherein: six fixing pieces are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322534312.8U CN220791511U (en) | 2023-09-18 | 2023-09-18 | Centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322534312.8U CN220791511U (en) | 2023-09-18 | 2023-09-18 | Centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791511U true CN220791511U (en) | 2024-04-16 |
Family
ID=90634485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322534312.8U Active CN220791511U (en) | 2023-09-18 | 2023-09-18 | Centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791511U (en) |
-
2023
- 2023-09-18 CN CN202322534312.8U patent/CN220791511U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112253481A (en) | High-performance sanitary pump | |
| CN220791511U (en) | Centrifugal pump | |
| US7156614B2 (en) | Centrifugal pump with multiple inlets | |
| US5722819A (en) | Molecular drag pump | |
| CN213016956U (en) | Seriation single-stage centrifugal pump volute | |
| CN209959558U (en) | Centrifugal blower subtracts heavy impeller and centrifugal blower thereof | |
| CN112377428B (en) | Fan system, range hood applying fan system and installation method of range hood | |
| CN220748605U (en) | Centrifugal pump with good sealing performance | |
| CN218817011U (en) | Semi-open impeller stainless steel centrifugal pump | |
| CN216343021U (en) | Air inlet structure for clarification plant | |
| CN211039052U (en) | Light stainless steel multistage centrifugal pump | |
| CN2929283Y (en) | Single pole single suction middle open centrifugal pump | |
| CN217977365U (en) | Quick detach formula mechanical seal | |
| CN221482255U (en) | Centrifugal pump with short support direct connection structure | |
| CN218644512U (en) | First-stage impeller assembly easy to disassemble and assemble | |
| CN212003602U (en) | Centrifugal pump with improved sealing structure | |
| CN216812265U (en) | Impeller of brushless electric fuel pump | |
| CN208797722U (en) | A kind of high revolving speed crossflow fan motor special | |
| CN221120371U (en) | Mute supercharging turbofan | |
| CN215498519U (en) | IP67 protection grade fan motor | |
| CN117803609B (en) | Self-priming centrifugal pump | |
| CN217522679U (en) | Mounting structure of motor front end bearing | |
| CN221568871U (en) | Leakless multistage shielding pump | |
| CN220037074U (en) | Electronic water pump for automobile | |
| CN221857112U (en) | Split type sand feeding device of sand sucking pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |