CN220522889U - Pump cover structure of pipeline pump - Google Patents
Pump cover structure of pipeline pump Download PDFInfo
- Publication number
- CN220522889U CN220522889U CN202322224468.6U CN202322224468U CN220522889U CN 220522889 U CN220522889 U CN 220522889U CN 202322224468 U CN202322224468 U CN 202322224468U CN 220522889 U CN220522889 U CN 220522889U
- Authority
- CN
- China
- Prior art keywords
- pump
- connecting ring
- pump cover
- motor
- 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
- 238000007789 sealing Methods 0.000 abstract description 16
- 239000002245 particle Substances 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The pump cover structure of the pipeline pump comprises a front connecting ring, a main cover plate and a rear connecting ring, wherein the main cover plate is matched and positioned with the rear end of the pump body and is fixed through a stud, the rear connecting ring is matched and positioned with the front end of the motor and is connected through a hexagonal stud, an opening of the front connecting ring is in clearance fit with the tail of the hub, a mesh cover is arranged on the outer side of the front connecting ring in a surrounding manner through positioning fit, and the mesh cover is fixed through a connecting bolt; according to the utility model, the sealing port is designed at the position corresponding to the impeller hub of the pump cover, the net cover is designed at the outer side of the front connecting ring of the pump cover, medium particles are prevented through the fit clearance of the sealing port, and the ring net cover is connected with the lubricating machine seal by water in front of the pump cover, so that the effect of machine seal sealing is achieved, and the service life of the machine seal is prolonged.
Description
Technical Field
The utility model relates to the technical field of pipeline pump sealing, in particular to a pipeline pump cover structure.
Background
In the conventional pipeline pump type selection, the concrete condition of particles in a medium is unclear, so that the machine seal is easy to leak water, the service life is short, the design life of the machine seal cannot be reached in practical application, the pump is easy to leak water, the machine seal needs to be replaced frequently, and the after-sale service cost is increased.
The phenomenon of particle abrasion is found in the pump body of the conventional gray iron pipeline pump, which indicates that particles exist in the medium, the abrasion phenomenon of the pump body when the spherical iron material is replaced by the pump body is not obvious, but the machine seal is still easy to leak water, and indicates that the particles in the medium damage the sealing surface.
In the medium without particles, the dynamic and static ring sealing surface of the mechanical seal can form a layer of water film, the water film can protect the sealing surface from being damaged, the particles in the medium can damage the layer of water film, and the mechanical seal is easy to leak water, so that the service life is shortened.
Disclosure of Invention
The utility model aims to provide a pump cover structure of a pipeline pump.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the utility model provides a pipeline pump cover structure, the pipeline pump includes the pump body, motor and base, the pump body is fixed in the front side of base, the motor is fixed in the rear side of base, be equipped with the impeller in the pump body, its characterized in that,
the pump cover is located impeller hub's afterbody, motor spindle's front end is equipped with extension shaft, extension shaft runs through pump cover and wheel hub along fore-and-aft direction center, the pump cover is including preceding go-between, main apron and the go-between of from front to back integrated into one piece, main apron is fixed in with the rear end cooperation of the pump body and is connected through the double-end stud, the go-between is fixed in with the front end cooperation of motor and is connected through the hexagon head double-screw stud with the front end cooperation of motor, the opening of preceding go-between and wheel hub's afterbody clearance fit, through locating fit between wheel hub's afterbody terminal surface and the extension shaft extension, the outside of preceding go-between is encircleed and is equipped with the screen panel, the screen panel passes through connecting bolt to be fixed in the outside of preceding go-between.
Further, the front end of the front connecting ring is bent inwards in an annular shape, and the front end of the front connecting ring is in clearance fit with the tail of the hub.
Further, the rear end of back go-between extends to the outside and is equipped with annular spike, spike and the front end cooperation location of motor are and pass through hexagon head bolted connection.
According to the utility model, the sealing port is designed at the position corresponding to the impeller hub of the pump cover, the net cover is designed at the outer side of the front connecting ring of the pump cover, medium particles are prevented through the fit clearance of the sealing port, and water can pass through the net cover of the pump cover to lubricate the machine seal, so that the effect of machine seal sealing is achieved, and the service life of the machine seal is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged view of a portion of the pump cap of FIG. 1;
fig. 3 is a schematic view of the mesh enclosure in fig. 2 in the K direction.
Reference numerals:
1 pump body, 2 impeller, 3 mechanical seal, 4 extension shaft extension, 5 pump cover,
A front connecting ring 51, a main cover plate 52, a rear connecting ring 53,
6 motors, 7 bases, 8 connecting bolts, 9 net covers and 91 meshes.
Description of the embodiments
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
The utility model discloses a pump cover 5 structure of a pipeline pump, as shown in fig. 1, the pipeline pump comprises a pump body 1, a motor 6 and a base 7, the pump body 1 is fixed on the front side of the base 7, the motor 6 is fixed on the rear side of the base 7, an impeller 2 is arranged in the pump body 1, the pump cover 5 is positioned at the tail part of a hub of the impeller 2, the front end of a main shaft of the motor 6 is provided with an extension shaft extension 4, and the extension shaft extension 4 penetrates through the pump cover 5 and the hub along the center of the front-rear direction.
The pump cover 5 comprises a front connecting ring 51, a main cover plate 52 and a rear connecting ring 53 which are integrally formed from front to rear, wherein an opening of the front connecting ring 51 is in clearance fit with the tail of the hub, and the front connecting ring 51 and the tail of the hub are specifically connected in such a way that the front end of the front connecting ring 51 is bent inwards in an annular shape, and the front end of the front connecting ring 51 is in clearance fit with the tail of the hub.
The tail of the hub is tightly matched with the lengthened shaft extension 4 through the mechanical seal 3, the screen 9 is arranged on the outer side of the front connecting ring 51 in a surrounding mode, the screen 9 is fixed on the outer side of the front connecting ring 51 through the connecting bolts 8, and the diameter of a mesh 91 of the screen 9 is 0.1-0.2mm as shown in fig. 3.
The main cover plate 52 is positioned in a matched manner with the rear end of the pump body 1 and is connected with the rear end of the pump body 1 through a double-end stud, the rear end of the rear connecting ring 53 is provided with annular supporting feet in an outward extending manner, and the supporting feet are positioned in a matched manner with the front end of the motor 6 and are connected with the front end of the motor through a hexagon-end stud.
According to the utility model, a sealing port is designed at the front end of the pump cover 5 corresponding to the hub of the impeller 2, medium particles are blocked from entering the sealing cavity through a sealing gap, the sealing surface of the mechanical seal 3 cannot be damaged by the particles in the medium, and a net cover 9 through which the medium water can pass but the particles cannot pass is designed at the outer side of the pump cover 5, so that the sealing surface is protected from being damaged by the medium particles, and the sealing surface is lubricated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (3)
1. The utility model provides a pipeline pump cover structure, the pipeline pump includes the pump body, motor and base, the pump body is fixed in the front side of base, the motor is fixed in the rear side of base, be equipped with the impeller in the pump body, its characterized in that,
the pump cover is located impeller hub's afterbody, motor spindle's front end is equipped with extension shaft, extension shaft runs through pump cover and wheel hub along fore-and-aft direction center, the pump cover is including preceding go-between, main apron and the go-between of from front to back integrated into one piece, main apron is fixed in with the rear end cooperation of the pump body and is connected through the double-end stud, the go-between is fixed in with the front end cooperation of motor and is connected through the hexagon head double-screw stud with the front end cooperation of motor, the opening of preceding go-between and wheel hub's afterbody clearance fit, through locating fit between wheel hub's afterbody terminal surface and the extension shaft extension, the outside of preceding go-between is encircleed and is equipped with the screen panel, the screen panel passes through connecting bolt to be fixed in the outside of preceding go-between.
2. The pump cover structure of claim 1, wherein the front end of the front connecting ring is bent inwards in a ring shape, and the front end of the front connecting ring is in clearance fit with the tail of the hub.
3. The pump cover structure of a pipeline pump according to claim 1, wherein the rear end of the rear connecting ring is provided with annular supporting feet extending outwards, and the supporting feet are positioned in a matched manner with the front end of the motor and are connected through hexagon head bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322224468.6U CN220522889U (en) | 2023-08-18 | 2023-08-18 | Pump cover structure of pipeline pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322224468.6U CN220522889U (en) | 2023-08-18 | 2023-08-18 | Pump cover structure of pipeline pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220522889U true CN220522889U (en) | 2024-02-23 |
Family
ID=89924752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322224468.6U Active CN220522889U (en) | 2023-08-18 | 2023-08-18 | Pump cover structure of pipeline pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220522889U (en) |
-
2023
- 2023-08-18 CN CN202322224468.6U patent/CN220522889U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |