CN218467898U - Compact horizontal pump - Google Patents
Compact horizontal pump Download PDFInfo
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- CN218467898U CN218467898U CN202222026073.0U CN202222026073U CN218467898U CN 218467898 U CN218467898 U CN 218467898U CN 202222026073 U CN202222026073 U CN 202222026073U CN 218467898 U CN218467898 U CN 218467898U
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Abstract
The utility model discloses a compact horizontal pump, which is characterized in that a through cavity is arranged in the bracket along the axial direction, one end of the cavity is arranged into a cone shape, and the other end is arranged into a step shape; one end of the pump body extends into the bracket cavity and is provided with a pump cover in a matching way, and a mechanical seal is arranged between the pump cover and the impeller; the other end of the pump body is provided with an impeller shell in a matching way; the pump shaft is of a split structure and comprises a shaft body a and a shaft body b, wherein one end, matched with the shaft body b, of the shaft body a is a stepped shaft, and one end, matched with the shaft body a, of the shaft body b is a tubular body; the advantages are compact structure and stable operation; when the pump bearing is worn, the whole shaft does not need to be replaced, and only the worn end of the pump shaft needs to be detached and replaced again, so that the maintenance cost of the pump is reduced; the split pump shaft is convenient and quick to disassemble and assemble, and the utilization rate of the pump shaft is greatly improved; thereby reducing the cost of use of the pump.
Description
Technical Field
The utility model relates to a field of pump especially relates to a compact horizontal pump.
Background
Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used for transferring liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc. The pump generally comprises a vertical pump and a horizontal pump, and two ends of a pump shaft of the horizontal pump are easily abraded in the working process of the horizontal pump, so that the running stability of the pump can be influenced; the pump shaft of the horizontal pump in the prior art is of an integrated structure, when a pump bearing is worn, the whole shaft needs to be replaced, and the cost is high; the abrasion of the shaft can not be simultaneously generated at two ends, only one end is abraded, the whole shaft is replaced, and the utilization rate of the shaft is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a pump shaft for split type compact horizontal pump, improve the utilization ratio of axle, reduce the use cost of pump.
In order to achieve the purpose, the technical scheme of the utility model is to provide a compact horizontal pump, which comprises a pump body, a pump cover and a bracket, wherein an impeller is arranged inside the pump body and is connected and fixed with one end of a pump shaft; a through cavity is axially arranged in the bracket, one end of the cavity is conical, and the other end of the cavity is in a step shape; the pump shaft is convenient to mount; one end of the pump body extends into the bracket cavity and is provided with a pump cover in a matching way, and a mechanical seal is arranged between the pump cover and the impeller; the pump cover has the advantages of compact structure matching, integrated pump body forming, stable structure, simple structure and convenient processing; the other end of the pump body is provided with an impeller shell in a matching way; the pump shaft is of a split structure and comprises a shaft body a and a shaft body b, wherein one end, matched with the shaft body b, of the shaft body a is a stepped shaft, and one end, matched with the shaft body a, of the shaft body b is a tubular body; the shaft body a or the shaft body b can be replaced independently, the utilization rate of the pump shaft is improved, and the use cost is reduced.
Preferably: the shaft body a is provided with a guide groove along the axial direction, and a spring piece is fixedly arranged in the guide groove; and the inner surface of the tubular body of the shaft body b is provided with a guide block matched with the guide groove. The guide block and the guide groove are matched to form a limiting effect, so that the shaft body a and the shaft body b cannot move in the circumferential direction when the pump shaft rotates, and the rotating stability of the pump shaft is ensured; the combination is convenient and quick, and the assembly and disassembly are convenient; the setting up of spring leaf makes the elasticity that utilizes the spring leaf to keep closely cooperating between guide block and the guide way, ensures that axis body an, axis body b axial can not take place to shift, can effectively prevent to appear radially rocking moreover between axis body an, the axis body b.
Preferably: the number of the guide grooves is at least two, and the guide grooves are symmetrically arranged on the outer surface of the shaft body a; the shaft body a, the connection of shaft body b of being convenient for are fixed, improve the stability of shaft body a, the combination of shaft body b, prolong the life of pump shaft.
Preferably: the stepped shaft and the tubular body are provided with a plurality of locking screw holes in corresponding positions, locking screws are arranged in the locking screw holes, so that the shaft body a and the shaft body b are connected and fixed, the shaft body a and the shaft body b are effectively prevented from falling off, the stability of combination of the shaft body a and the shaft body b is improved, and the service life of the pump shaft is prolonged.
Preferably: impeller casing front end be provided with the filter screen, play the effect that blocks large granule impurity, effectively avoid impurity to cause the damage to the impeller to influence the normal operating of pump.
Preferably: bearings are arranged at two ends of the pump shaft, and the outer surfaces of the bearings are matched with the inner cavity of the bracket; and an oil seal is arranged on one side of the bearing.
The beneficial effects of the utility model are as follows: the pump shaft is of a split structure, one end of the shaft body a is a stepped shaft, and the end, matched with the shaft body a, of the shaft body b is a tubular body; the installation of being convenient for is dismantled, can realize changing axis body an or axis body b alone, improves the utilization ratio of pump shaft, reduces use cost. A guide groove is axially formed in the shaft body a, and a spring piece is fixedly arranged in the guide groove; the inner surface of the tubular body of the shaft body b is provided with a guide block matched with the guide groove. The guide block and the guide groove are matched to form a limiting effect, so that the shaft body a and the shaft body b cannot move in the circumferential direction when the pump shaft rotates, and the rotating stability of the pump shaft is ensured; the combination is convenient and quick, and the assembly and disassembly are convenient; the setting up of spring leaf makes the elasticity that utilizes the spring leaf to keep closely cooperating between guide block and the guide way, ensures that axis body an, axis body b axial can not take place to shift, can effectively prevent to appear radially rocking moreover between axis body an, the axis body b.
The utility model has compact structure and stable operation; when the pump bearing is worn, the whole shaft does not need to be replaced, and only the worn end of the pump shaft needs to be detached and replaced again, so that the maintenance cost of the pump is reduced; the split pump shaft is convenient and quick to disassemble and assemble, and the utilization rate of the pump shaft is greatly improved; thereby reducing the cost of use of the pump.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of a pump shaft according to embodiment 1 of the present invention;
fig. 3 is an exploded view of a pump shaft according to embodiment 2 of the present invention;
1. a pump body; 2. a pump cover; 3. a bracket; 4. an impeller; 5. a pump shaft; 6. a cavity; 8. mechanical sealing; 9. an impeller housing; 10. a guide groove; 11. a spring plate; 12. a guide block; 13. a lock screw hole; 14. locking the screw; 15. filtering with a screen; 16. a bearing; 17. and (7) oil sealing.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
A compact horizontal pump comprises a pump body 1, a pump cover 2 and a bracket 3, wherein an impeller 4 is arranged inside the pump body 1, and the impeller 4 is connected and fixed with one end of a pump shaft 5; a through cavity 6 is axially arranged in the bracket 3, one end of the cavity 6 is conical, and the other end of the cavity is stepped; one end of the pump body 1 extends into the cavity 6 of the bracket and is provided with a pump cover 2 in a matching way, and a mechanical seal 8 is arranged between the pump cover 2 and the impeller 4; the other end of the pump body 1 is provided with an impeller shell 9 in a matching way; the pump shaft 5 is of a split structure and comprises a shaft body a5-1 and a shaft body b5-2, one end, matched with the shaft body b5-2, of the shaft body a5-1 is a stepped shaft, and one end, matched with the shaft body a5-1, of the shaft body b5-2 is a tubular body.
The shaft body a5-1 is provided with a guide groove 10 along the axial direction, and a spring piece 11 is fixedly arranged in the guide groove 10; the inner surface of the tubular body of the shaft body b5-2 is provided with a guide block 12 matched with the guide groove 10.
The number of the guide grooves 10 is at least two, and the guide grooves are symmetrically arranged on the outer surface of the shaft body a 5-1.
In this embodiment, the pump body 1 formula structure as an organic whole, one side that the pump body 1 is connected with bracket 3 sets up to two concentric rings forms, is connected fixedly with bracket 3 through outer ring, and inside inner ring stretched into bracket 3, is connected fixedly with pump cover 2, compact structure, stability is good, connects reliably, has reduced the processing cost of pump cover 2, has practiced thrift installation space. The mechanical seal 8 is arranged to effectively prevent water from entering the bracket cavity 6 and prevent the pump shaft 5 from being rusted. The pump shaft 5 adopts a split structure, so that the shaft body a5-1 or the shaft body b5-2 can be independently replaced, the utilization rate of the pump shaft 5 is improved, and the use cost is reduced. One end of the shaft body a5-1 matched with the shaft body b5-2 is set to be a stepped shaft, and one end of the shaft body b5-2 matched with the shaft body a5-1 is set to be a tubular body, so that plug-in type assembly is realized, the installation is convenient, the assembly time is saved, and the assembly efficiency is improved. The guide groove 10 is matched with the guide block 12, so that quick positioning is facilitated, the shaft body b5-2 and the shaft body a5-1 are prevented from rotating relatively, and normal operation of the pump shaft is ensured; the setting up of spring leaf makes and utilizes the elasticity of spring leaf to keep closely cooperating between guide block and the guide way, ensures that axis body an, axis body b axial can not take place to shift, and axis body an, axis body b are difficult for taking place the obscission. Two or four guide grooves are arranged and symmetrically arranged on the outer surface of the shaft body a; the shaft body a, the connection of shaft body b of being convenient for are fixed, improve the stability of shaft body a, the combination of shaft body b, prolong the life of pump shaft.
Example 2
A compact horizontal pump comprises a pump body 1, a pump cover 2 and a bracket 3, wherein an impeller 4 is arranged in the pump body 1, and the impeller 4 is connected and fixed with one end of a pump shaft 5; a through cavity 6 is axially arranged in the bracket 3, one end of the cavity 6 is conical, and the other end of the cavity is stepped; one end of the pump body 1 extends into the cavity 6 of the bracket and is provided with a pump cover 2 in a matching way, and a mechanical seal 8 is arranged between the pump cover 2 and the impeller 4; the other end of the pump body 1 is provided with an impeller shell 9 in a matching way; the pump shaft 5 is of a split structure and comprises a shaft body a5-1 and a shaft body b5-2, one end, matched with the shaft body b5-2, of the shaft body a5-1 is a stepped shaft, and one end, matched with the shaft body a5-1, of the shaft body b5-2 is a tubular body.
A plurality of lock screw holes 13 are arranged at the corresponding positions of the stepped shaft and the tubular body, and locking screws 14 are arranged in the lock screw holes 13. The connection of the shaft body a, the shaft body b of being convenient for is fixed, effectively prevents that shaft body a, shaft body b from droing, improves the stability of shaft body an, the combination of shaft body b, prolongs the life of pump shaft.
As a further limitation of the present solution, the front end of the impeller housing 9 is provided with a filter screen 15. Play the effect of blockking large granule impurity, effectively avoid impurity to cause the damage to the impeller to influence the normal operating of pump.
As a further limitation of the scheme, two ends of the pump shaft 5 are provided with bearings 16, and the outer surfaces of the bearings 16 are matched with the inner cavity 6 of the bracket; and an oil seal 17 is arranged on one side of the bearing 16 to prevent lubricating oil from leaking.
The utility model has compact structure and stable operation; when the pump bearing is worn, the whole shaft does not need to be replaced, and only the worn end of the pump shaft needs to be detached and replaced again, so that the maintenance cost of the pump is reduced; the split pump shaft is convenient and quick to disassemble and assemble, and the utilization rate of the pump shaft is greatly improved; thereby reducing the cost of use of the pump.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A compact horizontal pump comprises a pump body (1), a pump cover (2) and a bracket (3), wherein an impeller (4) is arranged inside the pump body (1), and the impeller (4) is connected and fixed with one end of a pump shaft (5); the method is characterized in that: a through cavity (6) is axially arranged in the bracket (3), one end of the cavity (6) is conical, and the other end of the cavity is stepped; one end of the pump body (1) extends into the cavity (6) of the bracket and is provided with a pump cover (2) in a matching way, and a mechanical seal (8) is arranged between the pump cover (2) and the impeller (4); the other end of the pump body (1) is provided with an impeller shell (9) in a matching way; the pump shaft (5) is of a split structure and comprises a shaft body a (5-1) and a shaft body b (5-2), one end, matched with the shaft body b (5-2), of the shaft body a (5-1) is a stepped shaft, and one end, matched with the shaft body a (5-1), of the shaft body b (5-2) is a tubular body.
2. A compact horizontal pump according to claim 1, wherein: the shaft body a (5-1) is provided with a guide groove (10) along the axial direction, and a spring piece (11) is fixedly arranged in the guide groove (10); and the inner surface of the tubular body of the shaft body b (5-2) is provided with a guide block (12) matched with the guide groove (10).
3. A compact horizontal pump as claimed in claim 2, wherein: the number of the guide grooves (10) is at least two, and the guide grooves are symmetrically arranged on the outer surface of the shaft body a (5-1).
4. A compact horizontal pump according to claim 1, wherein: the ladder shaft and the tubular body are provided with a plurality of lock screw holes (13) corresponding to each other, and locking screws (14) are arranged in the lock screw holes (13).
5. A compact horizontal pump according to claim 1, wherein: the front end of the impeller shell (9) is provided with a filter screen (15).
6. A compact horizontal pump according to claim 1, wherein: bearings (16) are arranged at two ends of the pump shaft (5), and the outer surfaces of the bearings (16) are matched with the cavity (6) of the bracket; and an oil seal (17) is arranged on one side of the bearing (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222026073.0U CN218467898U (en) | 2022-08-03 | 2022-08-03 | Compact horizontal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222026073.0U CN218467898U (en) | 2022-08-03 | 2022-08-03 | Compact horizontal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218467898U true CN218467898U (en) | 2023-02-10 |
Family
ID=85138090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222026073.0U Active CN218467898U (en) | 2022-08-03 | 2022-08-03 | Compact horizontal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218467898U (en) |
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2022
- 2022-08-03 CN CN202222026073.0U patent/CN218467898U/en active Active
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