CN210509603U - Horizontal single-stage single-suction centrifugal pump - Google Patents
Horizontal single-stage single-suction centrifugal pump Download PDFInfo
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- CN210509603U CN210509603U CN201921461914.2U CN201921461914U CN210509603U CN 210509603 U CN210509603 U CN 210509603U CN 201921461914 U CN201921461914 U CN 201921461914U CN 210509603 U CN210509603 U CN 210509603U
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Abstract
The utility model relates to a horizontal single-stage single-suction centrifugal pump, including motor and water pump shaft, the water pump shaft includes the motor shaft linkage segment, the interlude that connect gradually from left to right, impeller linkage segment, the motor shaft connecting hole has been seted up to the one end that motor shaft linkage segment links to each other with the motor shaft, the motor shaft inserts in the motor shaft connecting hole, the motor shaft linkage segment is fixed on the motor shaft through hexagon socket head end holding screw, the impeller is installed to the impeller linkage segment of water pump shaft, the impeller outside is equipped with the pump body, be provided with the pump cover on the pump body, it forms sealedly to be provided with the sealing washer between the pump body and the pump cover, mechanical seal forms sealedly between impeller and pump cover, be provided with the support on; compared with the prior art, the utility model, can guarantee the axiality requirement, can save the cost to a certain extent again, shorten the length of whole water pump, save installation space for the assembly is simpler, and the structure is compacter.
Description
[ technical field ]
The utility model belongs to the technical field of the centrifugal pump technique and specifically relates to a horizontal single-stage single suction centrifugal pump.
[ background art ]
The horizontal single-stage single-suction centrifugal pump is widely applied as a general hydraulic machine, and along with the rapid development of Chinese science and technology, the demand on the horizontal single-stage single-suction centrifugal pump is continuously increased. However, the conventional horizontal single-stage single-suction centrifugal pump is generally of a structure with a suspension bearing box body, and a pump head of the conventional horizontal single-stage single-suction centrifugal pump needs to be connected and installed with a motor through an intermediate coupling after being assembled, so that the installation is complicated; moreover, the requirement on the concentricity of the shaft coupling assembly for processing the common base is high, so that the whole manufacturing, processing and assembling process is complex and troublesome.
[ contents of utility model ]
The utility model aims at solving foretell not enough and provide a horizontal single-stage single suction centrifugal pump, when having cancelled traditional water pump suspension bearing box and intermediate shaft coupling, can guarantee the axiality requirement, can save the cost to a certain extent again, shorten the length of whole water pump, save installation space for the assembly is simpler, and the structure is compacter.
The horizontal single-stage single-suction centrifugal pump comprises a motor 1 and a water pump shaft 2, wherein the water pump shaft 2 is connected with a motor shaft at the output end of the motor 1, the water pump shaft 2 is a stepped shaft, the water pump shaft 2 comprises a motor shaft connecting section, a middle section and an impeller connecting section which are sequentially connected from left to right, a motor shaft connecting hole is formed in one end, connected with the motor shaft, of the motor shaft connecting section, the motor shaft connecting hole is axially arranged, a motor shaft of the motor 1 is inserted into the motor shaft connecting hole of the water pump shaft 2, the motor shaft connecting section of the water pump shaft 2 is fixed on the motor shaft through an inner hexagonal concave end set screw 9, an impeller 6 is installed on the impeller connecting section of the water pump shaft 2, a pump body 7 is arranged outside the impeller 6, a pump cover 4 is arranged on the pump body 7, and the pump cover 4, be provided with sealing washer 5 between the pump body 7 and the pump cover 4 and form sealedly, the interlude cover of water pump shaft 2 is equipped with mechanical seal 8, mechanical seal 8 forms sealedly between impeller 6 and pump cover 4, be provided with support 3 on the pump cover 4, support 3 is located between pump cover 4 and motor 1, support 3 is connected the pump body 7 and motor 1 as an organic whole.
Further, a protective cover 10 is arranged on the support 3, the motor 1 and the pump body 7 are connected with the pump cover 4 through the support 3, and the motor 1 and the pump body 7 are jointly installed on a common base 11.
Further, the diameters of the motor shaft connecting section, the middle section and the impeller connecting section are gradually decreased, and the motor shaft connecting section, the middle section and the impeller connecting section are fixedly connected to form an integral structure.
Further, the pump cover 4 is sleeved at the middle section of the water pump shaft 2, the mechanical seal 8 is arranged between the pump cover 4 and the middle section of the water pump shaft 2, one end of the pump cover 4 is connected with the pump body 7 in a sealing mode, and the other end of the pump cover 4 is connected with the support 3 in a sealing mode.
Compared with the prior art, the utility model, novel structure, it is simple, and reasonable in design has cancelled traditional water pump suspension bearing box on the one hand, it is direct to link to each other the pump body with the motor through the support, it is a bayonet pump shaft structure to design the water pump shaft simultaneously, thereby directly insert the connection motor shaft by the motor pump shaft, the intermediate shaft coupling has been cancelled, can guarantee the axiality requirement, can save the cost to a certain extent again, the length of whole water pump has been shortened, installation space has been saved, make the assembly simpler, the structure is compacter, be worth popularizing and applying.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1. the device comprises a motor 2, a water pump shaft 3, a support 4, a pump cover 5, a sealing ring 6, an impeller 7, a pump body 8, a mechanical seal 9, an inner hexagonal concave end set screw 10, a protective cover 11 and a common base.
[ detailed description of the invention ]
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawing 1, the utility model discloses a motor 1, water pump shaft 2, support 3, pump cover 4, sealing washer 5, impeller 6, the pump body 7, mechanical seal 8, hexagon socket head cap holding screw 9, protection casing 10, common base 11. The water pump shaft 2 is connected with a motor shaft at the output end of the motor 1, the water pump shaft 2 is a stepped shaft, the water pump shaft 2 comprises a motor shaft connecting section, a middle section and an impeller connecting section which are sequentially connected from left to right, the diameters of the motor shaft connecting section, the middle section and the impeller connecting section are sequentially reduced, the motor shaft connecting section, the middle section and the impeller connecting section are fixedly connected into an integral structure, one end of the motor shaft connecting section, which is connected with the motor shaft, is provided with a motor shaft connecting hole, the motor shaft connecting hole is axially arranged, the motor shaft of the motor 1 is inserted into the motor shaft connecting hole of the water pump shaft 2, the motor shaft connecting section of the water pump shaft 2 is fixed on the motor shaft through an inner hexagonal concave end fastening screw 9, the impeller connecting section of the water pump shaft 2 is provided with an impeller 6, the outside, be provided with sealing washer 5 between the pump body 7 and the pump cover 4 and form sealedly, the interlude cover of water pump shaft 2 is equipped with mechanical seal 8, and mechanical seal 8 forms sealedly between impeller 6 and pump cover 4, is provided with support 3 on the pump cover 4, and support 3 is located between pump cover 4 and the motor 1, and support 3 is connected the pump body 7 as an organic whole with motor 1.
The utility model discloses in, pump cover 4 suit is in the middle section department of water pump shaft 2, and mechanical seal 8 sets up between the interlude of pump cover 4 and water pump shaft 2, 4 one ends of pump cover and 7 sealing connection of the pump body, the 4 other ends of pump cover and 3 sealing connection of support. The water pump shaft 2 is designed to be of an insertion type structure, and the motor shaft is inserted into the water pump shaft 2 and fixed on the motor shaft through the hexagon socket head cap female end set screw 9, so that an intermediate coupling is omitted, and the space cost is saved. Be provided with impeller 6 on the water pump shaft 2, there is the pump body 7 impeller 6 outside, be provided with pump cover 4 on the pump body 7, it forms sealedly to be provided with sealing washer 5 between the pump body 7 and the pump cover 4, it forms sealedly to be provided with mechanical seal 8 on the water pump shaft 2 between impeller 6 and pump cover 4, it links together water pump and motor 1 to be provided with support 3 on the pump cover 4, be provided with protection casing 10 on the support 3, motor 1 and pump body 7 link to each other with pump cover 4 through support 3, and motor 1 installs jointly on common base 11 with the pump body 7, traditional suspension bearing box has been cancelled, and the structure is simple and compact.
The present invention is not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and are all included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a horizontal single-stage single suction centrifugal pump, includes motor (1) and water pump shaft (2), water pump shaft (2) are connected its characterized in that with the motor shaft of motor (1) output: the pump is characterized in that the water pump shaft (2) is a stepped shaft, the water pump shaft (2) comprises a motor shaft connecting section, a middle section and an impeller connecting section which are sequentially connected from left to right, a motor shaft connecting hole is formed in one end, connected with the motor shaft, of the motor shaft connecting section, the motor shaft connecting hole is axially arranged, the motor shaft of the motor (1) is inserted into the motor shaft connecting hole of the water pump shaft (2), the motor shaft connecting section of the water pump shaft (2) is fixed on the motor shaft through an inner hexagonal concave end set screw (9), an impeller (6) is installed on the impeller connecting section of the water pump shaft (2), a pump body (7) is arranged outside the impeller (6), a pump cover (4) is arranged on the pump body (7), the pump cover (4) is arranged between the pump body (7) and the motor (1), and a sealing ring (5) is arranged between the pump body (, the middle section cover of water pump shaft (2) is equipped with mechanical seal (8), mechanical seal (8) form sealedly between impeller (6) and pump cover (4), be provided with support (3) on pump cover (4), between pump cover (4) and motor (1) are located in support (3), support (3) are connected the pump body (7) as an organic whole with motor (1).
2. The horizontal single-stage single-suction centrifugal pump according to claim 1, wherein: the pump is characterized in that a protective cover (10) is arranged on the support (3), the motor (1) is connected with the pump body (7) through the support (3) and the pump cover (4), and the motor (1) and the pump body (7) are jointly installed on the common base (11).
3. The horizontal single-stage single-suction centrifugal pump according to claim 2, wherein: the diameters of the motor shaft connecting section, the middle section and the impeller connecting section are gradually decreased, and the motor shaft connecting section, the middle section and the impeller connecting section are fixedly connected into an integral structure.
4. The horizontal single-stage single-suction centrifugal pump according to claim 3, wherein: the pump cover (4) is sleeved at the middle section of the water pump shaft (2), the mechanical seal (8) is arranged between the pump cover (4) and the middle section of the water pump shaft (2), one end of the pump cover (4) is connected with the pump body (7) in a sealing mode, and the other end of the pump cover (4) is connected with the support (3) in a sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461914.2U CN210509603U (en) | 2019-09-04 | 2019-09-04 | Horizontal single-stage single-suction centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461914.2U CN210509603U (en) | 2019-09-04 | 2019-09-04 | Horizontal single-stage single-suction centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509603U true CN210509603U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921461914.2U Active CN210509603U (en) | 2019-09-04 | 2019-09-04 | Horizontal single-stage single-suction centrifugal pump |
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| Country | Link |
|---|---|
| CN (1) | CN210509603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425145A (en) * | 2019-09-04 | 2019-11-08 | 上海中韩杜科泵业制造有限公司 | A kind of horizontal single-stage single-suction centrifugal pump |
-
2019
- 2019-09-04 CN CN201921461914.2U patent/CN210509603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425145A (en) * | 2019-09-04 | 2019-11-08 | 上海中韩杜科泵业制造有限公司 | A kind of horizontal single-stage single-suction centrifugal pump |
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