CN217713105U - Long-piston type filterable centrifugal pump - Google Patents
Long-piston type filterable centrifugal pump Download PDFInfo
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- CN217713105U CN217713105U CN202221278849.1U CN202221278849U CN217713105U CN 217713105 U CN217713105 U CN 217713105U CN 202221278849 U CN202221278849 U CN 202221278849U CN 217713105 U CN217713105 U CN 217713105U
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Abstract
The utility model discloses a filterable centrifugal pump of long piston formula, including the pump case and installing the pump body in the pump case, pump body lower extreme is provided with the base, is provided with the pump line on the pump body, and pump line feed liquor end is provided with first flange and second flange, and first flange and second flange are through first fixed establishment fixed connection. The utility model discloses a set up the sleeve, the filter screen, first flange and second flange etc, install sleeve and filter screen additional in the port department of pump line, the fluid that can go into to the pump line possesses certain screening filtering capability, and then play the effect and the effect of protection centrifugal pump impeller, and when the filter screen need be dismantled clearly stifled, only need stimulate and consolidate the inserted bar, can cancel the fixed connection between fixed pin and the pinhole, directly drag the annular stationary blade afterwards, can dismantle the filter screen and get off to clear stifled washing or change, guarantee that the filtering capability of filter screen is good.
Description
Technical Field
The utility model relates to a centrifugal pump technical field especially relates to a filterable centrifugal pump of long piston formula.
Background
When the centrifugal pump is used, the motor drives the impeller to rotate through the rotating shaft, the impeller drives water to do high-speed rotating motion, the water is centrifugally moved, thrown to the outer edge of the impeller and discharged from the water outlet through a flow channel of the volute pump shell.
The existing long-piston centrifugal pump has certain defects when in use, firstly, a filtering mechanism is not arranged to filter the fluid of the pump, so that impurities are easily caused to enter the centrifugal pump to damage an impeller of the centrifugal pump, or the filtering screen is arranged to filter the fluid to play a role in protecting the centrifugal pump, but the filtering screen is not convenient to detach and clean due to the integral connection of the filtering screen and a pump pipe, and the filtering screen cannot keep a better filtering function after being used for a long time. Therefore, there is a need for a centrifugal pump of the long piston type that is filterable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a long piston type filterable centrifugal pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a filterable centrifugal pump of long piston formula, includes the pump case and installs the pump body in the pump case, pump body lower extreme is provided with the base, be provided with the pump line on the pump body, the pump line inlet end is provided with first flange and second flange, first flange and second flange are through first fixed establishment fixed connection, just all be equipped with the through-hole on first flange and the second flange, fixedly connected with sleeve on the second flange lateral wall, sleeve opening part is provided with the filter screen, filter screen opening part fixedly connected with annular stationary blade, annular stationary blade passes through second fixed establishment fixed connection with the sleeve.
Preferably, the first fixing mechanism comprises a plurality of fixing bolts, the fixing bolts are circumferentially distributed along the first connecting flange and the second connecting flange, and the fixing bolts are all in threaded connection between the first connecting flange and the second connecting flange.
Preferably, the second fixing mechanism comprises a fixing pin and a pin hole, the fixing pin is fixedly connected to the side wall of the annular fixing piece, the pin hole is formed in the side wall of the opening of the sleeve, the fixing pin is inserted into the pin hole, and a reinforcing mechanism used for fixing the fixing pin in the pin hole is installed on the side wall of the sleeve.
Preferably, the reinforcing mechanism comprises a reinforcing insertion rod and a spring, a first insertion hole communicated with the pin hole is formed in the sleeve, a second insertion hole is formed in the fixing pin, the reinforcing insertion rod is inserted in the first insertion hole and the second insertion hole, and the spring is elastically connected between the end portion of the reinforcing insertion rod and the side wall of the sleeve.
Preferably, an interference fit is adopted between the fixing pin and the pin hole.
The utility model discloses following beneficial effect has:
1. the sleeve and the filter screen are additionally arranged at the port of the pump pipe by arranging the sleeve, the filter screen, the first connecting flange and the second connecting flange, so that fluid pumped by the pump pipe can have a certain screening and filtering function, and the function and the effect of protecting an impeller of a centrifugal pump are further achieved;
2. through setting up annular stationary blade, second fixed establishment and strengthening mechanism, when the filter screen uses after a period need dismantle clear stifled to it, only need stimulate the reinforcement inserted bar, can cancel the fixed connection between fixed pin and the pinhole, directly drags the annular stationary blade afterwards, can dismantle the filter screen get off clear stifled washing or change, guarantee that the filtering capability of filter screen is good.
Drawings
Fig. 1 is a schematic structural view of a long piston type filterable centrifugal pump of the present invention;
fig. 2 is a long piston type filterable centrifugal pump proposed by the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a pump housing; 2. a base; 3. a pump body; 4. a pump tube; 5. a sleeve; 6. a first connecting flange; 7. a second connecting flange; 8. fixing the bolt; 9. a through hole; 10. a filter screen; 11. an annular fixing sheet; 12. a fixing pin; 13. a pin hole; 14. reinforcing the inserted rod; 15. a spring; 16. a first jack; 17. a second receptacle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, and 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 therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a long piston type filterable centrifugal pump includes a pump case 1 and a pump body 3 installed in the pump case 1, a base 2 is provided at the lower end of the pump body 3, a pump pipe 4 is provided on the pump body 3, and a first connecting flange 6 and a second connecting flange 7 are provided at the liquid inlet end of the pump pipe 4.
And all be equipped with through-hole 9 on first flange 6 and the second flange 7, fixedly connected with sleeve 5 on the second flange 7 lateral wall, sleeve 5 opening part is provided with filter screen 10, filter screen 10 opening part fixedly connected with annular stationary blade 11, annular stationary blade 11 passes through second fixed establishment fixed connection with sleeve 5.
The second fixing mechanism comprises a fixing pin 12 and a pin hole 13, the fixing pin 12 is fixedly connected to the side wall of the annular fixing plate 11, the pin hole 13 is formed in the side wall of the opening of the sleeve 5, the fixing pin 12 is inserted into the pin hole 13, and a reinforcing mechanism used for fixing the fixing pin 12 in the pin hole 13 is installed on the side wall of the sleeve 5.
The reinforcing mechanism comprises a reinforcing insertion rod 14 and a spring 15, a first insertion hole 16 communicated with the pin hole 13 is formed in the sleeve 5, a second insertion hole 17 is formed in the fixing pin 12, the reinforcing insertion rod 14 is inserted into the first insertion hole 16 and the second insertion hole 17, and the spring 15 is elastically connected between the end portion of the reinforcing insertion rod 14 and the side wall of the sleeve 5.
The fastening pin 12 and the pin hole 13 are in interference fit, so that the connection tightness between the fastening pin 12 and the pin hole 13 can be further improved.
The utility model discloses in, the fluid is gone into from 4 tip pumps of pump line to the pump body 3 during operation, installs sleeve 5 and filter screen 10 additional in the port department of pump line 4 to can possess certain screening filtering capability to the fluid of 4 pump pumps of pump line, and then play the effect and the effect of the interior impeller of the protection pump body 3.
When the filter screen 10 needs to be disassembled and cleared after being used for a period of time, only the reinforcing insertion rod 14 needs to be pulled, the reinforcing insertion rod 14 is separated from the second insertion hole 17, the fixed connection between the fixing pin 12 and the pin hole 13 can be cancelled, then the annular fixing piece 11 is directly pulled, the filter screen 10 can be disassembled to be cleaned or replaced, and the good filtering function of the filter screen 10 is ensured.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a filterable centrifugal pump of long piston formula, includes pump case (1) and installs pump body (3) in pump case (1), its characterized in that, pump body (3) lower extreme is provided with base (2), be provided with pump line (4) on the pump body (3), pump line (4) feed liquor end is provided with first flange (6) and second flange (7), first flange (6) and second flange (7) are through first fixed establishment fixed connection, just all be equipped with through-hole (9) on first flange (6) and the second flange (7), fixedly connected with sleeve (5) on second flange (7) lateral wall, sleeve (5) opening part is provided with filter screen (10), filter screen (10) opening part fixedly connected with annular stationary blade (11), annular stationary blade (11) and sleeve (5) are through second fixed establishment fixed connection.
2. Long piston type filterable centrifugal pump according to claim 1, where the first fixing means comprises a plurality of fixing bolts (8), a plurality of fixing bolts (8) are distributed circumferentially along the first and second connection flanges (6, 7), and a plurality of fixing bolts (8) are screwed between the first and second connection flanges (6, 7).
3. The long piston type centrifugal pump with filtering capability as claimed in claim 1, wherein the second fixing mechanism comprises a fixing pin (12) and a pin hole (13), the fixing pin (12) is fixedly connected to the side wall of the ring-shaped fixing plate (11), the pin hole (13) is opened on the side wall of the opening of the sleeve (5), the fixing pin (12) is inserted into the pin hole (13), and a reinforcing mechanism for fixing the fixing pin (12) in the pin hole (13) is installed on the side wall of the sleeve (5).
4. The long piston type centrifugal pump with filtering capability according to claim 3, wherein the reinforcing mechanism comprises a reinforcing insertion rod (14) and a spring (15), the sleeve (5) is provided with a first insertion hole (16) communicated with the pin hole (13), the fixing pin (12) is provided with a second insertion hole (17), the reinforcing insertion rod (14) is inserted into the first insertion hole (16) and the second insertion hole (17), and the spring (15) is elastically connected between the end of the reinforcing insertion rod (14) and the side wall of the sleeve (5).
5. Long piston filterable centrifugal pump according to claim 3, in which the retainer pins (12) and the pin holes (13) are of interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221278849.1U CN217713105U (en) | 2022-05-25 | 2022-05-25 | Long-piston type filterable centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221278849.1U CN217713105U (en) | 2022-05-25 | 2022-05-25 | Long-piston type filterable centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217713105U true CN217713105U (en) | 2022-11-01 |
Family
ID=83794376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221278849.1U Active CN217713105U (en) | 2022-05-25 | 2022-05-25 | Long-piston type filterable centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713105U (en) |
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2022
- 2022-05-25 CN CN202221278849.1U patent/CN217713105U/en active Active
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