CN214617078U - Pipeline pump and water circulating system - Google Patents
Pipeline pump and water circulating system Download PDFInfo
- Publication number
- CN214617078U CN214617078U CN202120527246.XU CN202120527246U CN214617078U CN 214617078 U CN214617078 U CN 214617078U CN 202120527246 U CN202120527246 U CN 202120527246U CN 214617078 U CN214617078 U CN 214617078U
- Authority
- CN
- China
- Prior art keywords
- pump
- shaft
- water
- pump body
- pump shaft
- 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
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a pipeline pump and a water circulation system, which comprises a motor and a pump body, wherein a pump shaft is connected on a driving shaft of the motor, an impeller is arranged in the pump body, a mounting hole for mounting and positioning the pump shaft is arranged on the pump body, and the pump shaft passes through the mounting hole and is fixed on the pump body; the end part of the pump shaft is arranged at the bottom of the pump body, a sealing member is arranged at the end part of the pump shaft, and the sealing member and the pump shaft are matched to form a first cavity; an annular vortex chamber with a hollow inner part is arranged in the pump body, the impeller is installed in the annular vortex chamber, and a water return device is arranged on the annular vortex chamber; the first cavity is communicated with the inside of the annular vortex chamber through the water return device, so that the temperature of the joint of the pump shaft and the pump body is reduced and kept lubricated during working, and meanwhile, the joint of the pump shaft and the pump body can be prevented from being crystallized or generating scale through water flow flushing.
Description
Technical Field
The utility model relates to a tubing pump equipment technical field, in particular to tubing pump and water circulating system.
Background
At present, pipeline pumps applied in water circulation systems are generally used for conveying clear water or liquid with physical and chemical properties similar to that of clear water.
In the prior art, a pump body around the lower end of a pump shaft of a pipeline pump is provided with a small hole, the small hole is used for refluxing water flowing through the pump body to the periphery of the pump shaft, and in the pipeline pump with large flow, the suction range is large and the negative pressure in a suction cavity is large; and the end part of the pump shaft is generally positioned in the impeller or the impeller is fixed at the end part of the pump shaft, and when the pipeline pump works continuously for a long time, because the water flow lubrication is not smooth or less, the lower bearing and the shaft sleeve generate heat through friction, the lower bearing or the shaft sleeve is often damaged, and the motor is burnt in serious conditions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pipeline pump and water circulating system can make the junction of pump shaft and the pump body reduce and keep lubricated at the temperature of during operation, and accessible rivers wash simultaneously and prevent the junction position crystallization of pump shaft and the pump body or produce the incrustation scale.
In order to achieve the above purpose, the technical scheme of the utility model has:
a pipeline pump comprises
The motor is connected with a pump shaft on a driving shaft of the motor;
the pump body is internally provided with an impeller and is provided with a mounting hole for mounting and positioning the pump shaft, and the pump shaft penetrates through the mounting hole and is fixed on the pump body;
the end part of the pump shaft is arranged at the bottom of the pump body, a sealing member is arranged at the end part of the pump shaft, and the sealing member and the pump shaft are matched to form a first cavity;
an annular vortex chamber with a hollow inner part is arranged in the pump body, the impeller is installed in the annular vortex chamber, and a water return device is arranged on the annular vortex chamber;
the first cavity is communicated with the inside of the annular vortex chamber through the water return device.
Compared with the prior art, the pipeline pump of the utility model comprises a motor and a pump body, a pump shaft is connected on the drive shaft of the motor, an impeller is arranged in the pump body, a mounting hole for mounting and positioning the pump shaft is arranged on the pump body, the pump shaft passes through the mounting hole and is fixed on the pump body, because the end part of the pump shaft is arranged at the bottom of the pump body, the end part of the pump shaft is also provided with a sealing member, the sealing member is matched with the pump shaft to form a first cavity, an annular volute chamber with a hollow inner part is arranged in the pump body, the impeller is arranged in the annular volute chamber for mounting, the first cavity is communicated with the inner part of the annular volute chamber through a water return device, the water flowing through the pump body can enter the first cavity through the water return device, the pump shaft is lubricated, meanwhile, the end part of the pump shaft is attached to the pump body for heat friction, and the return device can guide the water in the pump body to cool the pump body, play the guard action, in addition, utilize the motor to pass through the pump shaft and drive the impeller rotation for the inside different regions of the pump body produce the pressure differential, and the impeller rotation has also increased the kinetic energy of pump body water-logging in addition, and it still remains certain kinetic energy when water flows to the other end from a backwater device one end, thereby makes water spray and gets into first intracavity, can wash out the tip of pump shaft, prevents to produce the incrustation scale or produce the crystallization.
Furthermore, the water inlet end of the water return device is arranged on the annular vortex chamber, and the water inlet end of the water return device is arranged close to one side of the water outlet of the pump body.
Furthermore, the water return device comprises a pipe body, pipe joints are arranged at two ends of the pipe body, a connecting nut which is close to the pipe joints is sleeved on the pipe body, and the connecting nut is matched with the pipe joints for use.
Furthermore, a shaft sleeve is sleeved at the end part of the pump shaft, a bearing is arranged outside the shaft sleeve, the bearing is tightly attached to the pump body, and the shaft sleeve, the bearing and the sealing component are matched to form the first cavity.
Further, the pump body comprises a shell and a pump cover arranged on the shell, and the pump shaft penetrates through the pump cover and is fixedly installed on the shell;
the pump shaft is sleeved with a shaft sealing piece, the shaft sealing piece can be fixedly arranged on the pump cover, and the shaft sealing piece and the pump shaft are matched with each other at the position where the pump shaft penetrates through the pump cover to form a second cavity;
and a water return channel is arranged on the pump body and is communicated with the second cavity and the inside of the annular vortex chamber.
Further, the water return channel comprises a first channel section and a second channel section which can be connected with each other;
the first channel section and the second channel section are arranged on the pump cover;
and when the pump cover is fixed on the shell, the first channel section and the second channel section are communicated with each other.
Further, the shaft seal is a mechanical seal.
The utility model also provides a water circulating system, include the tubing pump as above-mentioned.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a sectional view of the structure of the pipe pump of the present invention;
FIG. 2 is a schematic diagram of the structure of FIG. 1 at B;
FIG. 3 is a schematic diagram of the structure of FIG. 1 indicated at A;
fig. 4 is a schematic structural diagram of a water return device.
Detailed Description
In order to better illustrate the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings.
It should be understood that the embodiments described are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
In the prior art, a pump body around the lower end of a pump shaft of a pipeline pump is provided with a small hole, the small hole is used for refluxing water flowing through the pump body to the periphery of the pump shaft, and in the pipeline pump with large flow, the suction range is large and the negative pressure in a suction cavity is large; and the end part of the pump shaft is generally positioned in the impeller or the impeller is fixed at the end part of the pump shaft, and when the pipeline pump works continuously for a long time, because the water flow lubrication is not smooth or less, the lower bearing and the shaft sleeve generate heat through friction, the lower bearing or the shaft sleeve is often damaged, and the motor is burnt in serious conditions.
Therefore, the utility model provides a technical problem for how to cool down the rotation junction of pump shaft and the pump body, play the technical problem who prevents the crystallization of the rotation junction of pump shaft and the pump body or produce the incrustation scale simultaneously to explain with a concrete embodiment.
As shown in fig. 1 to 2, a pipeline pump includes a motor 1 and a pump body 2, wherein a pump shaft 11 is coupled to a driving shaft of the motor 1; install impeller 13 in the pump body 2, have on the pump body 2 and be used for the installation location the mounting hole 21 of pump shaft 11, pump shaft 11 passes the mounting hole 21 is fixed on the pump body 2, all include motor 1 and pump body 2 in current tubing pump design generally speaking, install motor 1 on the pump body 2, need set up mounting hole 21 in the pump to reach the purpose that motor 1 realized installing on the pump body 2.
The end part of the pump shaft 11 is arranged at the bottom of the pump body 2, a sealing member 12 is arranged at the end part of the pump shaft 11, and the sealing member 12 and the pump shaft 11 are matched to form a first cavity 3;
an annular vortex chamber 22 with a hollow inner part is arranged in the pump body 2, the impeller 13 is arranged in the annular vortex chamber 22, and a water return device 4 is arranged on the annular vortex chamber 22;
the first cavity 3 is communicated with the inside of the annular vortex chamber 22 through the water return device 4.
Compared with the prior art, the pipeline pump comprises a motor 1 and a pump body 2, a pump shaft 11 is connected to a drive shaft of the motor 1, an impeller 13 is installed in the pump body 2, a mounting hole 21 for installing and positioning the pump shaft 11 is formed in the pump body 2, the pump shaft 11 penetrates through the mounting hole 21 and is fixed on the pump body 2, as the end portion of the pump shaft 11 is located at the bottom of the pump body 2, a sealing member 12 is further arranged at the end portion of the pump shaft 11, the sealing member 12 and the pump shaft 11 are matched to form a first cavity 3, an annular volute chamber 22 with a hollow inner portion is arranged in the pump body 2, the impeller 13 is arranged in the annular volute chamber 22 to work, the first cavity 3 is communicated with the inner portion of the annular volute chamber 22 through a water returning device 4, the water returning device 4 is arranged to enable water flowing through the pump body 2 to enter the first cavity 3 to lubricate the pump shaft 11, and meanwhile, the end portion of the pump shaft 11 is in contact with the pump body 2 to generate heat, the backwater device 4 can guide the water in the pump body 2 to cool down the position, and has a protective effect, in addition, the motor 1 is utilized to drive the impeller 13 to rotate through the pump shaft 11, so that pressure difference is generated in different areas inside the pump body 2, moreover, the impeller 13 rotates to increase the kinetic energy of the water in the pump body 2, certain kinetic energy is still remained when the water flows to the other end from one end of the backwater device 4, so that the water is sprayed into the first cavity 3, the end of the pump shaft 11 can be washed away, and incrustation scale generation or crystallization generation is prevented.
It should be noted that, in the prior art, the water inlet end of the pump body is also provided with an air vent, and the air vent is used for exhausting air in the pump body or conveying air to the water outlet end of the pump body, so as to achieve the purpose of ensuring that no air is retained in the pump body; the drain hole is additionally provided with a pipeline which is arranged at the rotary joint of the pump shaft and the pump body, and because the pipeline pump works, the kinetic energy of water at the water inlet end is certainly less than that of water at the water outlet end under the condition that the kinetic energy of the water is not driven by the impeller 13, and the water is output to the rotary joint of the pump shaft and the pump body under the condition that the initial kinetic energy is less, so that the spraying effect can not be achieved by utilizing the backwater of the drain hole.
Therefore, the pipe pump in this embodiment lifts the initial kinetic energy of the water by the impeller 13, so that the water can retain a certain kinetic energy at the water outlet end of the water return device 4, and the effect that the water can be sprayed can be achieved.
In this embodiment, the water inlet end of the water returning device 4 is disposed on the annular vortex chamber 22, and the water inlet end of the water returning device 4 is disposed near the water outlet side of the pump body 2.
The annular vortex chamber 22 provides an installation position for installing the impeller 13 and is used for limiting the installation position of the annular vortex chamber 22, and as can be seen from another angle, the impeller 13 rotates to generate a vortex flow, water is thrown into the water outlet end of the vortex chamber of the pump body 2, negative pressure is generated at the central position of the impeller 13, and the external atmospheric pressure can enable the water to be placed at the impeller 13.
Certainly, the water inlet end of the water returning device 4 is arranged close to one side of the water outlet of the pump body 2, the purpose of the pipeline pump is to enable water with potential difference to enter from the water inlet of the pump body 2 and to be discharged from the water outlet, the rotation of the impeller 13 enables the water in the pipeline pump to have kinetic energy change, in the working process of the pipeline pump, the kinetic energy of the water at the water inlet end of the pump body 2 is certainly smaller than that of the water at the water outlet end of the pump body 2, the kinetic energy of the water is improved due to the fact that the impeller 13 is driven to rotate by the rotation of the pump shaft 11, and correspondingly, the water inlet end of the water returning device 4 located at the water outlet end side of the pump body 2 enters the water returning device 4 with certain initial kinetic energy, and certain kinetic energy can still be reserved after being output from the water outlet end of the water returning device 4, and accordingly the spraying effect is achieved.
In this embodiment, as a preferable arrangement structure of the water returning device 4, as shown in fig. 1 or fig. 4, the water returning device 4 includes a pipe body 41, pipe joints 42 are provided at both ends of the pipe body 41, the pipe joints 42 are provided to enable the water returning device 4 to be installed in a position-aligned manner on a hole of the annular volute or the first cavity 3 for installing the water returning device 4, a connecting nut 43 arranged close to the pipe joint 42 is sleeved on the pipe body 41, the connecting nut 43 is used in cooperation with the pipe joint 42, and the pipe body 41 is installed and fixed by the connecting nut 43.
In addition, the matching use of the connecting nut 43 and the pipe joint 42 can also have a sealing function, and the water return device 4 is ensured not to leak.
In this embodiment, as a preferable use solution in this embodiment, as shown in fig. 1 to 2, a shaft sleeve 13 is sleeved on an end portion of the pump shaft 11, a bearing 14 is disposed outside the shaft sleeve 13, the bearing 14 is disposed in close contact with the pump body 2, and the shaft sleeve 13 and the bearing 14 cooperate with the sealing member 12 to form the first cavity 3.
The pump shaft 11 is contacted with the bearing 14 to generate heat by friction when rotating, and the pipeline pump is used for a long time to generate scale or crystal at the positions of the pump shaft 11 and the bearing 14, the water return device 4 can clear the scale or the crystal by spraying water, and meanwhile, the water can take away the heat at the contact position of the pump shaft 11 and the bearing 14.
Of course, in the pipe pump designed in the above embodiment, the contact position of the pump shaft 11 and the pump body 2 is more than one, in another arrangement structure of the pipe pump applied in this embodiment, as shown in fig. 1 or fig. 3, the pump body 2 includes a housing 202 and a pump cover 201 arranged on the housing 202, and the pump shaft 11 passes through the pump cover 201 and is fixedly mounted on the housing 202;
the cover is equipped with shaft seal 15 on the pump shaft 11, and also is provided with the sealing member with 3 looks isostructures in first chamber and function in second chamber 6 shaft seal 15 can fixed mounting on pump cover 201, just shaft seal 15 with pump shaft 11 passes the position of pump cover 201 mutually supports and forms second chamber 6, and above is the conventional structure that sets up among the prior art, does not describe repeatedly.
Wherein, be provided with return water passageway 5 on the pump body 2, return water passageway 5 intercommunication second cavity 6 with the inside of cyclic annular volute chamber 22, this return water passageway 5 is the cast hole of integrated into one piece on pump cover 201, practices thrift the inner space of tubing pump, also can realize the effect of the sprinkler water that aforementioned backwater device 4 can reach simultaneously.
In the present embodiment, as shown in fig. 1 or fig. 3, the water return channel 5 is provided in such a way that the water return channel 5 includes a first channel section 51 and a second channel section 52 that can be coupled to each other; the first channel section 51 and the second channel section 52 are arranged on the pump cover 201, so that the assembly and the application of the pipeline pump are facilitated.
In this embodiment, as shown in fig. 1 or fig. 3, the shaft seal 15 is a mechanical seal, and of course, both the shaft seal 15 and the sealing member 12 can be detached from the pump body 2 according to the above, so as to facilitate cleaning of the second cavity.
As another preferred aspect of the present invention, the present invention also provides a water circulation system, including the above-mentioned pipe pump, the water circulation system can obtain the effect obtained by the pipe pump, and it can prolong the service life of the water circulation system, and is safe, and in a specific example, the water circulation system can be an air conditioner chilled water circulation system, a sewage circulating and filtering system, etc.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (8)
1. A pipeline pump is characterized by comprising
The motor is connected with a pump shaft on a driving shaft of the motor;
the pump body is internally provided with an impeller and is provided with a mounting hole for mounting and positioning the pump shaft, and the pump shaft penetrates through the mounting hole and is fixed on the pump body;
the end part of the pump shaft is arranged at the bottom of the pump body, a sealing member is arranged at the end part of the pump shaft, and the sealing member and the pump shaft are matched to form a first cavity;
an annular vortex chamber with a hollow inner part is arranged in the pump body, the impeller is installed in the annular vortex chamber, and a water return device is arranged on the annular vortex chamber;
the first cavity is communicated with the inside of the annular vortex chamber through the water return device.
2. The tubing pump of claim 1,
the water inlet end of the water return device is arranged on the annular vortex chamber, and the water inlet end of the water return device is arranged close to one side of the water outlet of the pump body.
3. The tubing pump of claim 1,
the water return device comprises a pipe body, pipe joints are arranged at two ends of the pipe body, a connecting nut which is close to the pipe joints is sleeved on the pipe body, and the connecting nut is matched with the pipe joints for use.
4. The tubing pump of claim 1,
the end part of the pump shaft is sleeved with a shaft sleeve, a bearing is arranged outside the shaft sleeve, the bearing is attached to the pump body in a clinging mode, and the shaft sleeve, the bearing and the sealing component are matched to form the first cavity.
5. The tubing pump of claim 1,
the pump body comprises a shell and a pump cover arranged on the shell, and the pump shaft penetrates through the pump cover and is fixedly installed on the shell;
the pump shaft is sleeved with a shaft sealing piece, the shaft sealing piece can be fixedly arranged on the pump cover, and the shaft sealing piece and the pump shaft are matched with each other at the position where the pump shaft penetrates through the pump cover to form a second cavity;
and a water return channel is arranged on the pump body and is communicated with the second cavity and the inside of the annular vortex chamber.
6. The in-line pump of claim 5,
the water return channel comprises a first channel section and a second channel section which can be connected with each other;
the first channel section and the second channel section are arranged on the pump cover;
and when the pump cover is fixed on the shell, the first channel section and the second channel section are communicated with each other.
7. The in-line pump of claim 5,
the shaft seal is a mechanical seal.
8. A water circulation system is characterized in that,
comprising a pipeline pump as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120527246.XU CN214617078U (en) | 2021-03-11 | 2021-03-11 | Pipeline pump and water circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120527246.XU CN214617078U (en) | 2021-03-11 | 2021-03-11 | Pipeline pump and water circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214617078U true CN214617078U (en) | 2021-11-05 |
Family
ID=78394876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120527246.XU Active CN214617078U (en) | 2021-03-11 | 2021-03-11 | Pipeline pump and water circulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214617078U (en) |
-
2021
- 2021-03-11 CN CN202120527246.XU patent/CN214617078U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105673574B (en) | Low noise centrifugal multistage pump multiple centrifugal pump | |
| JP4746982B2 (en) | Single stage roots type vacuum pump and vacuum fluid transfer system using this single stage roots type vacuum pump | |
| CN201433911Y (en) | Dry-running sewage submersible pump with dirt separator | |
| CN102003396A (en) | Self-cooling guide vane downdraft type submersible pump | |
| CN210317841U (en) | Mute type cooling fan motor structure capable of preventing lubricating oil from leaking | |
| JP2015175240A (en) | Bearing device and vertical shaft pump including the same | |
| CN214617078U (en) | Pipeline pump and water circulating system | |
| CN107970004B (en) | Dish washer wind channel of airing exhaust, dish washer exhaust subassembly and dish washer | |
| CN102192662B (en) | Energy-saving cooling tower | |
| CN110131215B (en) | Flow guiding body structure for pump | |
| CN108843627B (en) | But self-cleaning's fan device | |
| US10240609B2 (en) | Screw pump and impeller fan assemblies and method of operating | |
| CN111550421A (en) | Dustproof axial fan suitable for high concentration dust environmental condition | |
| KR20100050986A (en) | A underwater pump | |
| RU2509923C1 (en) | Vertical chemical electrically driven pump with exposed impeller and method of transfer of chemically aggressive fluids | |
| CN115076107A (en) | Cantilever vertical screw vacuum pump | |
| CN105317729A (en) | Sliding bearing and multi-stage centrifugal pump | |
| RU2161730C2 (en) | Hydraulic-turbine generator | |
| CN112814919A (en) | Equipment cooling water pump for 1400MW nuclear power unit | |
| RU2752789C1 (en) | Hermetically sealed electric pump | |
| CN219827156U (en) | Centrifugal pump with high cavitation resistance | |
| JP3124447U (en) | Axial flow pump for water treatment | |
| CN221761996U (en) | Mining single hydrodynamic dust collector | |
| CN220505379U (en) | Built-in mechanical seal flushing structure | |
| CN213270297U (en) | Centrifugal pump device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220531 Address after: 528429 No. 3, guangchuang street, Huangpu town, Zhongshan City, Guangdong Province Patentee after: GUANGYI PUMP Co.,Ltd. Address before: 510000 room 3005, No. 228-3, Qiaotou street, Beishan village, Xinjiao South Road, Haizhu District, Guangzhou City, Guangdong Province (office only) Patentee before: GUANGZHOU GUANGYI PUMP Co.,Ltd. |