CN217270983U - Liquid ring type self-priming centrifugal pump - Google Patents
Liquid ring type self-priming centrifugal pump Download PDFInfo
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- CN217270983U CN217270983U CN202123452277.2U CN202123452277U CN217270983U CN 217270983 U CN217270983 U CN 217270983U CN 202123452277 U CN202123452277 U CN 202123452277U CN 217270983 U CN217270983 U CN 217270983U
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- injection
- pushing block
- pump body
- lubricating oil
- hole
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Abstract
The utility model discloses a liquid ring type self-priming centrifugal pump, which comprises a pump body, a shaft lever and an impeller, and also comprises two bearings sleeved outside the shaft lever; the lubricating oil injection component comprises a shell, an inner cavity, an injection through hole, a pushing block, an extension section, an inner groove, a sealing ball, a compression groove and a return spring; the upper end of the pushing block is provided with an inclined first guide section, the inner cavity is provided with a second guide section, and a space is arranged between the first guide section and the second guide section to form a first injection channel; the pushing block is provided with a second injection channel, a third injection channel and a fourth injection channel, and the pump body is internally provided with a guide-out channel connected with the bearing. The utility model has the advantages of it is following and effect: through setting up lubricating oil injection member, realize the injection of lubricating oil, it is convenient to have injection lubricating oil, and need not the advantage of dismantling whole pump body.
Description
Technical Field
The utility model relates to a pump technical field, in particular to liquid ring type is from inhaling centrifugal pump.
Background
A pump is a machine that delivers or pressurizes a fluid. It transfers the mechanical energy of the prime mover or other external energy to the liquid, causing the liquid energy to increase. The pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal, and can also be used for conveying liquid, gas mixture and liquid containing suspended solid.
The centrifugal pump generally comprises a pump body, a shaft lever and an impeller, wherein the shaft lever transversely penetrates through the pump body, and the impeller is positioned in the pump body and fixedly sleeved on the outer side of the shaft lever; in order to reduce the friction of the shaft rod, the bearing is arranged on the shaft rod, and in order to prolong the service life of the bearing, bearing lubricant oil needs to be added to the bearing regularly, so that the effects of lubrication, temperature reduction, pressure resistance, bearing life prolonging and the like are achieved by adding the bearing lubricant oil. However, the existing centrifugal pump needs to disassemble the whole structure, so that bearing lubricant oil can be added to the bearing, which is very inconvenient and complicated in steps.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a liquid ring formula is from inhaling centrifugal pump to solve the problem that proposes among the background art.
The above technical object of the present invention can be achieved by the following technical solutions: a liquid ring type self-priming centrifugal pump comprises a pump body, a shaft lever and an impeller, wherein the shaft lever transversely penetrates through the pump body, and the impeller is positioned in the pump body and fixedly sleeved on the outer side of the shaft lever; the method is characterized in that:
the pump also comprises two bearings, wherein the two bearings are both positioned in the pump body and sleeved outside the shaft rod, and the two bearings are arranged at intervals;
the lubricating oil injection component is arranged in the mounting groove; the lubricating oil injection component comprises a shell, a longitudinal inner cavity is formed in the shell, an injection through hole extending out of the pump body is formed in the upper end of the shell, lubricating oil is injected into the injection through hole, and the injection through hole is communicated with the inner cavity;
a pushing block is arranged in the inner cavity in a sliding manner, the pushing block is provided with an extension section which is abutted against the wall of the inner cavity, an inner groove is arranged at the center of the upper end of the pushing block, a sealing ball is arranged in the inner groove, the sealing ball is just positioned below the injection through hole, and the sealing ball can abut against the injection through hole along with the upward movement of the pushing block, so that the injection through hole is cut off; the pump body is provided with a compression groove below the pushing block, and a return spring is arranged in the compression groove in a compression manner and abuts against the lower end of the pushing block, so that the pushing block always has the tendency of moving upwards;
the upper end of the pushing block is provided with an inclined first guide section, a second guide section is arranged above the first guide section in the inner cavity, and a space is formed between the first guide section and the second guide section to form a first injection channel;
a transverse second injection channel is arranged above the extension section of the pushing block, a longitudinal third injection channel is arranged at the center of the pushing block, a transverse fourth injection channel is arranged below the extension section of the pushing block, and a guide-out channel communicated with the two bearings is arranged in the pump body;
the pushing block is pushed down by external force application, so that the sealing ball is separated from the injection through hole, and the lubricating oil injected into the injection through hole can be conveyed to the two bearings after sequentially passing through the first injection channel, the second injection channel, the third injection channel, the fourth injection channel and the guide channel.
The outer side of the extension section is provided with two balls, and the two balls can form rolling fit with the wall of the inner cavity so as to reduce the friction resistance between the pushing block and the wall of the inner cavity during movement.
Wherein, two export the passageway all take the form of slope.
Wherein, wear to be equipped with locking bolt on shell one side, locking bolt can offset with the extension section to play the purpose of spacing promotion piece.
The beneficial effects of the utility model reside in that:
1. the utility model realizes the injection of the lubricating oil by arranging the lubricating oil injection component, and the pump body is provided with a mounting groove for mounting the lubricating oil injection component; the lubricating oil injection component comprises a shell, an injection through hole is formed in the shell for injecting lubricating oil, the injection through hole is sealed by a push block and a sealing ball, particles such as external dust are prevented from entering the injection through hole, and the inside cleanness of the lubricating oil injection component is effectively guaranteed. Meanwhile, a compression groove and a return spring are further arranged, the sliding block is pushed upwards by the aid of elastic acting force of the return spring, and sealing balls can be further guaranteed to be abutted to the injection through holes to achieve sealing. And simultaneously, the utility model discloses in still be provided with first injection road, second injection road, third injection road, fourth injection road and derive the passageway, realize lasting leading-in of lubricating oil, can be with the effectual transport of lubricating oil to two bearings on.
2. The utility model discloses in the side extension section that promotes the piece, can realize that the second injection is said and the third injection is said and arranges under the spacing circumstances that promotes the piece, it is rational in infrastructure effective.
3. The utility model discloses in the outside of extension section is provided with two balls, reduce through two balls when promoting the piece motion and the frictional resistance between the wall of inner chamber.
4. The utility model discloses in will derive the passageway and set to the slope form, play the drainage effect, be convenient for lubricating oil flow in to the bearing on.
5. The utility model discloses in be provided with locking bolt, locking bolt can offset with the extension section to play the purpose of spacing promotion piece.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 2.
In the figure: 11. a pump body; 12. a shaft lever; 13. an impeller; 21. a bearing; 31. mounting grooves; 41. a housing; 42. an inner cavity; 43. injecting the through hole; 44. a pushing block; 441. an extension section; 442. a ball bearing; 45. an inner tank; 451. a sealing ball; 51. a compression groove; 52. a return spring; 61. a first guide section; 62. a second guide section; 71. a first injection channel; 72. a second injection channel; 73. a third injection channel; 74. a fourth injection channel; 75. a lead-out channel; 81. and locking the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a liquid ring type self-priming centrifugal pump includes a pump body 11, a shaft 12 and an impeller 13, wherein the shaft 12 is transversely inserted into the pump body 11, and the impeller 13 is located in the pump body 11 and fixedly sleeved outside the shaft 12.
The pump further comprises two bearings 21, the two bearings 21 are both positioned in the pump body 11 and are sleeved on the outer side of the shaft rod 12, and the two bearings 21 are arranged at intervals;
the lubricating oil injection structure further comprises a lubricating oil injection component, the upper end of the pump body 11 is provided with an installation groove 31, and the lubricating oil injection component is arranged in the installation groove 31; the lubricating oil injection component comprises a shell 41, a longitudinal inner cavity 42 is formed in the shell 41, an injection through hole 43 extending out of the pump body 11 is formed in the upper end of the shell 41, the injection through hole 43 is used for injecting lubricating oil, and the injection through hole 43 is communicated with the inner cavity 42;
a pushing block 44 is slidably arranged in the inner cavity 42, the pushing block 44 is provided with an extension 441 which is abutted against the wall of the inner cavity 42, an inner groove 45 is arranged at the center of the upper end of the pushing block 44, a sealing ball 451 is arranged in the inner groove 45, the sealing ball 451 is just positioned below the injection through hole 43, and the sealing ball 451 can abut against the injection through hole 43 along with the upward movement of the pushing block 44, so that the injection through hole 43 is cut off; the pump body 11 is provided with a compression groove 51 below the pushing block 44, and a return spring 52 is arranged in the compression groove 51 in a compression manner, and the return spring 52 abuts against the lower end of the pushing block 44, so that the pushing block 44 always has a tendency of moving upwards;
the upper end of the pushing block 44 is provided with an inclined first guide section 61, the inner cavity 42 is provided with a second guide section 62 above the first guide section 61, and a space is arranged between the first guide section 61 and the second guide section 62 to form a first injection channel 71;
a transverse second injection channel 72 is arranged above the extension segment 441 of the pushing block 44, a longitudinal third injection channel 73 is arranged at the center of the pushing block 44, a transverse fourth injection channel 74 is arranged below the extension segment 441 of the pushing block 44, and a guide-out channel 75 communicated with the two bearings 21 is arranged in the pump body 11;
the pushing block 44 is pushed down by external force (the rod-shaped object can be inserted into the injection through hole 43) to separate the sealing ball 451 from the injection through hole 43, so that the lubricating oil injected into the injection through hole 43 can be sequentially conveyed to the two bearings 21 through the first injection channel 71, the second injection channel 72, the third injection channel 73, the fourth injection channel 74 and the lead-out channel 75.
Two balls 442 are disposed outside the extension 441, and the two balls 442 can form a rolling fit with the wall of the cavity 42 to reduce the friction resistance between the push block 44 and the wall of the cavity 42 during the movement.
Wherein both of the lead-out channels 75 are inclined.
Wherein, a locking bolt 81 is arranged on one side of the housing 41 in a penetrating manner, and the locking bolt 81 can be abutted against the extending section 441 to achieve the purpose of limiting the pushing block 44.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (4)
1. A liquid ring type self-priming centrifugal pump comprises a pump body (11), a shaft lever (12) and an impeller (13), wherein the shaft lever (12) transversely penetrates through the pump body (11), and the impeller (13) is positioned in the pump body (11) and fixedly sleeved on the outer side of the shaft lever (12); the method is characterized in that:
the pump also comprises two bearings (21), wherein the two bearings (21) are both positioned in the pump body (11) and sleeved outside the shaft rod (12), and the two bearings (21) are arranged at intervals;
the lubricating oil injection structure is characterized by also comprising a lubricating oil injection component, wherein the upper end of the pump body (11) is provided with a mounting groove (31), and the lubricating oil injection component is arranged in the mounting groove (31); the lubricating oil injection component comprises a shell (41), a longitudinal inner cavity (42) is formed in the shell (41), an injection through hole (43) extending out of the pump body (11) is formed in the upper end of the shell (41), lubricating oil is injected into the injection through hole (43), and the injection through hole (43) is communicated with the inner cavity (42);
a pushing block (44) is slidably arranged in the inner cavity (42), the pushing block (44) is provided with an extension section (441) which is abutted against the wall of the inner cavity (42), an inner groove (45) is arranged at the center of the upper end of the pushing block (44), a sealing ball (451) is arranged in the inner groove (45), the sealing ball (451) is just positioned below the injection through hole (43), and the sealing ball (451) can abut against the injection through hole (43) along with the upward movement of the pushing block (44), so that the injection through hole (43) is cut off; a compression groove (51) is formed in the pump body (11) below the pushing block (44), a return spring (52) is arranged in the compression groove (51) in a compression mode, and the return spring (52) abuts against the lower end of the pushing block (44) so that the pushing block (44) always has the upward moving trend;
an inclined first guide section (61) is arranged at the upper end of the pushing block (44), a second guide section (62) is arranged above the first guide section (61) in the inner cavity (42), and a space is formed between the first guide section (61) and the second guide section (62) to form a first injection channel (71);
a transverse second injection channel (72) is arranged above the extension section (441) of the pushing block (44), a longitudinal third injection channel (73) is arranged at the center of the pushing block (44), a transverse fourth injection channel (74) is arranged below the extension section (441) of the pushing block (44), and a guide-out channel (75) which is respectively communicated with the two bearings (21) is arranged in the pump body (11);
the pushing block (44) is pushed down by external force application, so that the sealing ball (451) is separated from the injection through hole (43), and the lubricating oil injected into the injection through hole (43) can be conveyed to the two bearings (21) after sequentially passing through the first injection channel (71), the second injection channel (72), the third injection channel (73), the fourth injection channel (74) and the guide-out channel (75).
2. The liquid ring type self-priming centrifugal pump of claim 1, wherein: two balls (442) are arranged on the outer side of the extension section (441), and the two balls (442) can form rolling fit with the wall of the inner cavity (42) so as to reduce the friction resistance between the pushing block (44) and the wall of the inner cavity (42) during movement.
3. The liquid ring type self-priming centrifugal pump of claim 1, wherein: both the two lead-out channels (75) are inclined.
4. The liquid ring type self-priming centrifugal pump of claim 1, wherein: a locking bolt (81) penetrates through one side of the shell (41), and the locking bolt (81) can be abutted against the extension section (441) to achieve the purpose of limiting the pushing block (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123452277.2U CN217270983U (en) | 2021-12-31 | 2021-12-31 | Liquid ring type self-priming centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123452277.2U CN217270983U (en) | 2021-12-31 | 2021-12-31 | Liquid ring type self-priming centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217270983U true CN217270983U (en) | 2022-08-23 |
Family
ID=82892560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123452277.2U Active CN217270983U (en) | 2021-12-31 | 2021-12-31 | Liquid ring type self-priming centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217270983U (en) |
-
2021
- 2021-12-31 CN CN202123452277.2U patent/CN217270983U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1869, Binhai 1st Road, Wenzhou Economic and Technological Development Zone, Zhejiang 325000 Patentee after: Zhejiang Jiaquan Fluid Equipment Co.,Ltd. Address before: No. 1869, Binhai 1st Road, Wenzhou Economic and Technological Development Zone, Zhejiang 325000 Patentee before: Zhongquan Group Zhejiang Pump Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |