CN217270844U - Circulating water pump - Google Patents
Circulating water pump Download PDFInfo
- Publication number
- CN217270844U CN217270844U CN202121149594.4U CN202121149594U CN217270844U CN 217270844 U CN217270844 U CN 217270844U CN 202121149594 U CN202121149594 U CN 202121149594U CN 217270844 U CN217270844 U CN 217270844U
- Authority
- CN
- China
- Prior art keywords
- shell
- cover plate
- pump
- pump body
- fixed 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 provides a circulating water pump, which is used for efficiently and stably conveying liquid and comprises a pump body and a power mechanism, wherein the pump body comprises a first shell, and the power mechanism is arranged in the first shell; the pump body still includes the second casing, the second casing suit is outside first casing, form first passageway between first casing and the second casing, first passageway is used for the liquid circulation. The sealing performance is improved by utilizing the packaging structures of the plurality of shells, the use of sealing elements is reduced, and the processing cost of the device is saved; the sliding bearing is utilized to reduce the friction force of the rotor yoke rotating on the fixed shaft, and the sliding bearing has a fixing effect on the fixed shaft, so that the stability of the power mechanism is improved; the water inlet channel and the water outlet channel are arranged in parallel or on the same axis, so that the size of the circulating pump is reduced, and the circulating pump can be installed and used in various environments.
Description
Technical Field
The disclosure relates to the field of water pumps, in particular to a circulating water pump.
Background
The water pump is very extensive in daily life's application, and present water pump is mostly motor drive or electromagnetic drive, and power device and functional device are independent each other, and power device's waterproof performance often is not good, has consequently restricted the water pump to use in some special environment greatly. In order to improve the waterproof performance of the water pump, various sealing modes are often required, the consumption of sealing materials is high, and further the manufacturing cost of the water pump is high. The structure that the power device and the functional device of the water pump are independently arranged enables the water inlet and the water outlet of the water pump not to be always on the same straight line, the water inlet direction and the water outlet direction are mutually perpendicular, the arrangement position of the water outlet greatly increases the volume of the water pump, a larger installation space is needed, and the water pump is possibly limited by the body type when being used in certain special environments.
Some straight cylinder water pumps already exist in the prior art, the water inlet and the water outlet of the water pump are arranged on one axis, the usable environment of the water pump is increased, the power device of the water pump is good in waterproof performance, and even the water pump can be used as a submersible pump, for example, the publication number is as follows: the invention patent of CN101672286A discloses a submersible pump without dynamic seal, and particularly discloses a technical scheme for greatly improving two parts of a motor and a water pump of the prior submersible pump: the method comprises the steps of firstly, soaking, curing, sealing and boring and grinding a compound sizing material of epoxy and silicon iron powder outside a silicon steel core of a stator embedded with a linear GUO so that the stator coil can be kept in absolute isolation and high insulation with water when immersed, and an electromagnetic field generated by the stator coil generates a magnetic action with a non-magnetic field of a rotor and a squirrel cage induction bar through a compound water-resisting layer of the stator core so that the rotor can rotate efficiently. The original squirrel-cage-shaped silicon steel sheet solid rotor is changed into a squirrel-cage bar permanent magnet hollow iron tubular rotor, rare earth magnetic shoes and cast aluminum squirrel-cage bars with opposite magnetic poles alternately discharged are embedded outside the iron tubular rotor, a pair of axial-flow impellers are connected in two ends of an iron tube, and the impellers are fixed on a rotating shaft. The pump body and the motor adopt an M static sealing structure, the rotor is a power source for driving the axial-flow impeller to rotate and is a working main body of the axial-flow water pump, water flow directly passes through the rotor, so that a stator and the rotor of the motor are completely soaked in water, and heat generated when the motor is electrified can be absorbed by surrounding cold water. Although the technical scheme adopts the composite sizing material of epoxy and ferrosilicon powder as the sealing material, the sealing performance of the composite material is increasingly poor after long-term use; on the other hand, the kinetic energy loss of water flow directly passing through the rotor is large, the working efficiency of the power mechanism is influenced, and the requirement on the waterproof performance of the liquid flowing mode is high.
The invention with the publication number of CN104454559A discloses an AC/DC axial flow water pump, and specifically discloses that the device comprises an AC/DC motor, a water inlet, a water outlet and an impeller, wherein the AC/DC motor comprises a stator arranged in a motor shell, a rotor arranged in the stator and a rotating shaft arranged in the rotor, the impeller is fixedly connected with one end of the rotating shaft and is adjacent to the water inlet, the AC/DC motor is arranged between the water inlet and the water outlet, and the water inlet and the water outlet are on the same straight line; and a water flow channel is arranged near the inner surface of the motor shell and is communicated with the water inlet and the water outlet. Although the problem of leaking, electric leakage easily appears in the sealed of motor among the prior art with the water pump has been solved to the alternating current-direct current axial compressor water pump that this technical scheme disclosed, the work efficiency of motor can be influenced in the setting of its a plurality of isolation sheath to its pivot rocks easily in the use, and then increases the noise in the use.
The invention patent application with the prior art publication number of CN108894999A discloses an electric water pump, and specifically discloses that the device comprises a shell, turbine blades and a motor, wherein the turbine blades and the motor are arranged in the shell, the motor comprises a motor shaft, a rotor fixed on the motor shaft and a stator sleeved outside the rotor, the shell is provided with a water inlet and a water outlet, the turbine blades are fixed on the motor shaft and driven by the motor to rotate so as to enable liquid to enter the shell from the water inlet and flow out from the water outlet, the stator is provided with a first plastic coating, the rotor is provided with a second plastic coating, the first plastic coating is used for isolating the stator from being in contact with the liquid entering the shell from the water inlet, and the second plastic coating is used for isolating the rotor from being in contact with the liquid entering the shell from the water inlet. According to the electric water pump, the first plastic-coated layer and the second plastic-coated layer are used for isolating liquid from a circuit so as to avoid electric leakage or short circuit, a sealing element between the water pump and a motor is omitted, the assembly of the electric water pump is simplified, and the production cost is reduced. Although the electric water pump disclosed by the technical scheme has good sealing performance, the working efficiency of the motor is influenced by the arrangement of the plurality of sealing layers, and the service life of the motor can be shortened by the mode that liquid directly flows through the motor.
From the disclosure of the prior art, the currently used circulating water pump has the defects of poor waterproof performance, large kinetic energy loss, unstable motor rotating shaft and the like.
SUMMERY OF THE UTILITY MODEL
The present disclosure provides a circulating water pump for efficiently and stably conveying a liquid, which is directed to problems of poor waterproof performance, use of a sealing material, and the like in the prior art.
One of the concepts of the present disclosure is to improve the sealing performance of the device by changing the structure of the pump body and the path of the water flow.
Further, another concept of the present disclosure is that the pump body includes a first housing, and the first housing is used for sealing and installing the power mechanism, so as to improve the sealing performance of the device.
Furthermore, another concept of the present disclosure is that the pump body includes a second housing, and a first channel is formed between the second housing and the first housing for fluid communication, so as to separate the power mechanism from the water flow, thereby improving the waterproof performance of the power mechanism.
Furthermore, another idea of the present disclosure is that the pump body is provided with a third housing which is connected with the front cover plate and the rear cover plate in a sealing manner, and the use of a sealing member is reduced by the third housing, so that the overall sealing difficulty is reduced.
The utility model provides a circulating water pump, which is mainly used for efficiently and stably conveying liquid and comprises a pump body and a power mechanism;
the pump body comprises a first shell, and the power mechanism is installed in the first shell.
First casing makes power unit have independent installation cavity, and in independent sealed installation cavity, power unit is difficult to appear the electric leakage under operating condition or by the condition of steam corrosion, improves the waterproof performance of device.
Further, the power mechanism comprises a rotor and a stator, wherein the rotor comprises a fixed shaft and a rotor yoke;
the power mechanism further comprises a connecting piece, the connecting piece is connected with the rotor yoke and the fixed shaft, and the rotor yoke rotates on the fixed shaft through the connecting piece.
The connecting piece is a sliding bearing.
The sliding bearing enables the clearance between the fixed shaft and the rotor yoke to be relatively small, so that the precision can be improved, the stability of the rotor yoke in rotation is good, and the damping and noise eliminating effects can be achieved.
Furthermore, a groove is arranged in the first shell, and one end of the groove, which is connected with the fixed shaft, is used for fixing the fixed shaft.
Furthermore, the circulating water pump further comprises a front cover plate, a fixed support is arranged in the front cover plate and connected with one end, away from the groove, of the fixed shaft, and the fixed support enables the fixed shaft to be stabilized in the pump body.
The sliding bearing is connected with the rotor yoke and the fixed shaft, so that the friction resistance between the rotor yoke and the fixed shaft is reduced, and the groove fixes one end of the fixed shaft, so that the vibration of the power mechanism is reduced. But still there is the clearance between the part of power unit, and still can produce the vibration when power unit high-speed operation, the one end of recess is kept away from to the fixed bolster connection in the dead axle, can effectively slow down the skew that power unit produced because of rotating, the one end of dead axle is fixed respectively to fixed bolster and recess, has improved the stability can of rotor greatly, receives the effect vibration reduction of fixed bolster and recess under power unit operating condition, and then the noise also reduces.
Further, the pump body still includes the second casing, the second casing suit is outside first casing, form first passageway between first casing and the second casing, first passageway is used for the liquid circulation.
The liquid flows through the first channel in the pump body, and the flowing liquid can take away heat generated by the pump body in the working process, so that the temperature of the working environment in the pump body is relatively stable, the working efficiency is further ensured, the continuous working time of equipment can be prolonged, the situation of overhigh temperature is not easy to occur, and the use stability is better; and the rivers through the pump body still can play the buffering to the vibration that the pump body during operation produced to play absorbent effect to the noise, and then make equipment during operation vibration and noise homogeneous phase relatively less.
Furthermore, the circulating water pump further comprises a rear cover plate, a glue filling hole is formed in the rear cover plate and communicated with the first shell, and the glue filling hole is used for performing glue filling treatment on installation of the stator in the first shell.
The stator glue filling treatment not only can play a role in fixing the stator, but also can play a role in preventing moisture and electric leakage, so that the service life of equipment can be prolonged, and the use safety of the equipment can be improved.
Furthermore, the pump body further comprises a third shell, one end of the third shell is connected with the front cover plate, and the other end of the third shell is connected with the rear cover plate; sealing elements are arranged between the third shell and the front cover plate and between the third shell and the rear cover plate for sealing;
the third shell is sleeved on the outer side of the second shell.
After the third shell is arranged, the inner cavity of the whole shell can be sealed only by sealing two positions, so that the overall sealing difficulty can be reduced, the production cost can be reduced, the leakage risk can be reduced, the overall use stability can be improved, and the service life is long.
Furthermore, a flow guide ring is arranged between the front cover plate and the pump body, an impeller is further arranged on the front cover plate, the impeller is located in a working cavity formed by the front cover plate and the flow guide ring, and the working cavity is communicated with the first channel through the flow guide ring.
The guide ring and the front cover plate form a working cavity, so that the guide ring replaces part of the front cover plate and the pump body, the integral volume is smaller, and the pump is more suitable for being used in places with relatively smaller space. The liquid has larger impact force under the action of the impeller, and the impact on the pump body is reduced under the buffer action of the guide ring and the first channel, so that the vibration of the pump body is reduced.
On the other hand, the work cavity that water conservancy diversion ring and front shroud formed need do sealed treatment and avoid leaking, and is provided with the third casing in this technical scheme and is used for sealed inner chamber, has reduced the use of whole equipment sealing member, has saved the processing cost greatly.
Further, the impeller is in transmission connection with the rotor.
The impeller rotates under the action of the power mechanism to work, the working rotating speed of the impeller can generate centrifugal force, the impeller is fixed on the rotor to improve the stability, the efficient vibration and noise reduction is realized, and the installation precision of the device is improved.
Furthermore, the front cover plate is provided with a water inlet channel, the rear cover plate is provided with a water outlet channel, the water outlet channel is connected with the first channel, the water inlet channel and the water outlet channel are located on the same axis, and the axes of the water inlet channel and the water outlet channel coincide with the rotation axis of the power mechanism.
The water inlet channel and the water outlet channel are arranged in a mode that the circulating water pump is linear, the linear circulating pump is small in size and suitable for being installed in a large number of environments, and the use convenience of the water pump is greatly improved. The concentricity of the water flow track and the power mechanism in the pump body is high, the water flow is stable at the moment, the vibration of the power mechanism is buffered, the stability of the device is improved, and the vibration of the pump body is reduced.
Furthermore, after the circulating water pump provided by the disclosure is powered on, the rotor yoke rotates on the fixed shaft under the action of current and the stator, the impeller is driven by the rotor yoke to start working, water flows through the water inlet channel and is thrown out by the impeller, and the thrown water flows through the flow guide ring and the first channel and is finally output through the water outlet channel. In the whole set of device working process, power unit is under complete sealing state, and the rivers set up independent flow channel, and the pump body is provided with seal structure third casing, and the whole set of device leakproofness is good, waterproof nature is good, and device simple structure, operate steadily.
Compared with the prior art, the circulating water pump provided by the disclosure is used for efficiently and stably conveying liquid, the sealing performance is improved by utilizing the packaging structures of the multiple shells, the use of sealing elements is reduced, and the processing cost of the circulating water pump is saved; the sliding bearing is utilized to reduce the friction force of the rotor yoke rotating on the fixed shaft, and the sliding bearing has a fixing effect on the fixed shaft, so that the stability of the power mechanism is improved; the water inlet channel and the water outlet channel are arranged in parallel or on the same axis, so that the size of the circulating pump is reduced, and the circulating pump can be installed and used in various environments.
Drawings
The present disclosure will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the present disclosure. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on the concept of a composition or construction of the object being described and may include exaggerated displays and are not necessarily drawn to scale.
FIG. 1: the present disclosure relates to a cross-sectional view of a circulating water pump;
wherein, 1, a pump body; 2. a first housing; 3. a stator; 4. a rotor yoke; 5. fixing a shaft; 6. a connecting member; 7. a front cover plate; 8. fixing a bracket; 9. a second housing; 10. a first channel; 11. a rear cover plate; 12. a third housing; 13. a seal member; 14. a flow guide ring; 15. an impeller; 16. a water inlet channel; 17. and a water outlet channel.
Detailed Description
The present disclosure is described in detail below with reference to the attached drawing figures.
In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.
Fig. 1 is a specific embodiment of the present disclosure, specifically as follows:
fig. 1 is a sectional view of an embodiment of the present disclosure, in which waterproofness is improved mainly by changing the installation position of a power mechanism.
The embodiment specifically provides a circulating water pump, which is used for efficiently and stably conveying liquid and specifically comprises a pump body 1 and a power mechanism;
the pump body comprises a first shell 2, and the power mechanism is arranged in the first shell 2.
Further, the present disclosure may also provide an embodiment as follows:
the idea of this embodiment is that changing the structure of the power mechanism results in a reduction of the vibration of the water pump.
The embodiment specifically provides a circulating water pump, which is used for efficiently and stably conveying liquid and specifically comprises a pump body 1 and a power mechanism; the pump body comprises a first shell 2, and the power mechanism is arranged in the first shell 2;
the power mechanism comprises a rotor and a stator 3, wherein the rotor comprises a rotor yoke 4 and a fixed shaft 5;
the power mechanism further comprises a connecting piece 6, the connecting piece 6 is connected with the rotor yoke 4 and the fixed shaft 5, and the rotor yoke 4 rotates on the fixed shaft 5 through the connecting piece 6;
the connecting piece 6 is a sliding bearing.
The sliding bearing enables the clearance between the dead axle 5 and the rotor yoke 4 to be relatively small, so that the precision can be improved, the stability of the rotor yoke 4 in rotation is good, and the damping and noise eliminating effects can be achieved.
A groove is arranged in the first shell 2, and the groove is connected with one end of the fixed shaft 5 and used for fixing the fixed shaft 5;
the circulating water pump also comprises a front cover plate 7, a fixed support 8 is arranged in the front cover plate 7, the fixed support 8 is connected with one end, far away from the groove, of the fixed shaft 5, and the fixed support 8 enables the fixed shaft 5 to be stabilized in the pump body 1;
the sliding bearing is connected with the rotor yoke 4 and the fixed shaft 5, so that the friction resistance between the rotor yoke 4 and the fixed shaft 5 is reduced, and the groove fixes one end of the fixed shaft 5, so that the vibration of the power mechanism is reduced. But still there is the clearance between the part of power unit, and still can produce the vibration when power unit high-speed operation, fixed support 8 framves in the one end that the recess was kept away from to dead axle 5, can effectively slow down the skew that power unit produced because of rotating, and the one end of dead axle 5 is fixed respectively to fixed support 8 and recess, has improved the stability performance of rotor greatly, and power unit operating condition receives the effect vibration reduction of fixed support 8 and recess, and then the noise also reduces.
Further, the present disclosure may also provide an embodiment as follows:
the idea of this embodiment is to improve the water resistance of the device by changing the flow path of the liquid.
The embodiment specifically provides a circulating water pump, which is used for efficiently and stably conveying liquid and specifically comprises a pump body 1 and a power mechanism; the pump body comprises a first shell 2, and the power mechanism is arranged in the first shell 2; the power mechanism comprises a rotor and a stator 3, wherein the rotor comprises a rotor yoke 4 and a fixed shaft 5; the power mechanism further comprises a connecting piece 6, the connecting piece 6 is connected with the rotor yoke 4 and the fixed shaft 5, and the rotor yoke 4 rotates on the fixed shaft 5 through the connecting piece 6; the connecting piece 6 is a sliding bearing;
the pump body still includes second casing 9, second casing 9 suit is outside first casing 2, form first passageway 10 between first casing 2 and the second casing 9, first passageway 10 is used for the liquid circulation.
The liquid flows through the first channel 10 in the pump body 1, and the flowing liquid can take away heat generated by the pump body 1 in the working process, so that the temperature of the working environment in the pump body 1 is relatively stable, the working efficiency is further ensured, the continuous working time of the equipment can be prolonged, the situation of overhigh temperature is not easy to occur, and the use stability is better; and the rivers that pass through the pump body 1 still can play the buffering to the vibration that pump body 1 during operation produced to play absorbent effect to the noise, and then make equipment during operation vibration and noise homogeneous phase relatively less.
Further, the present disclosure may also provide an embodiment as follows:
the idea of this embodiment is to improve the waterproof performance of the device by changing the structure of the pump body.
The embodiment specifically provides a circulating water pump, which is used for efficiently and stably conveying liquid and specifically comprises a pump body 1 and a power mechanism; the pump body comprises a first shell 2, and the power mechanism is arranged in the first shell 2; the power mechanism comprises a rotor and a stator 3, wherein the rotor comprises a rotor yoke 4 and a fixed shaft 5; the power mechanism further comprises a connecting piece 6, the connecting piece 6 is connected with the rotor yoke 4 and the fixed shaft 5, and the rotor yoke 4 rotates on the fixed shaft 5 through the connecting piece 6; the connecting piece 6 is a sliding bearing; the pump body further comprises a second shell 9, the second shell 9 is sleeved outside the first shell 2, a first channel 10 is formed between the first shell 2 and the second shell 9, and the first channel 10 is used for liquid circulation;
the circulating water pump further comprises a rear cover plate 11, wherein a glue filling hole is formed in the rear cover plate 11 and communicated with the first shell 2, and the glue filling hole is used for performing glue filling treatment on the installation of the stator 3 in the first shell 2.
The glue filling treatment of the stator 3 not only can play a role in fixing the stator 3, but also can play a role in preventing moisture and electric leakage, so that the service life of the equipment can be prolonged, and the use safety of the equipment can be improved.
The pump body 1 further comprises a third shell 12, one end of the third shell 12 is connected with the front cover plate 7, and the other end of the third shell 12 is connected with the rear cover plate 11; sealing elements 13 are arranged between the third shell 12 and the front cover plate 7 and between the third shell 12 and the rear cover plate 11 for sealing;
the third housing 12 is sleeved outside the second housing 9.
After the third shell 12 is arranged, the inner cavity of the whole shell can be sealed only by sealing two positions, so that the whole sealing difficulty can be reduced, the production cost can be reduced, the risk of leakage can be reduced, the whole use stability can be further improved, and the service life is longer.
Further, the present disclosure may also provide an embodiment as follows:
the embodiment specifically provides a circulating water pump, which is used for efficiently and stably conveying liquid and specifically comprises a pump body 1 and a power mechanism; the pump body comprises a first shell 2, and the power mechanism is arranged in the first shell 2; the power mechanism comprises a rotor and a stator 3, wherein the rotor comprises a rotor yoke 4 and a fixed shaft 5; the power mechanism further comprises a connecting piece 6, the connecting piece 6 is connected with the rotor yoke 4 and the fixed shaft 5, and the rotor yoke 4 rotates on the fixed shaft 5 through the connecting piece 6; the connecting piece 6 is a sliding bearing; the pump body further comprises a second shell 9, the second shell 9 is sleeved outside the first shell 2, a first channel 10 is formed between the first shell 2 and the second shell 9, and the first channel 10 is used for liquid circulation; the circulating water pump further comprises a rear cover plate 11, wherein a glue pouring hole is formed in the rear cover plate 11 and is communicated with the first shell 2, and the glue pouring hole is used for performing glue pouring treatment on the installation of the stator 3 in the first shell 2; the pump body 1 further comprises a third shell 12, one end of the third shell 12 is connected with the front cover plate 7, and the other end of the third shell 12 is connected with the rear cover plate 11; sealing elements 13 are arranged between the third shell 12 and the front cover plate 7 and between the third shell 12 and the rear cover plate 11 for sealing; the third shell 12 is sleeved on the outer side of the second shell 9;
a flow guide ring 14 is arranged between the front cover plate 7 and the pump body 1, the front cover plate 7 is further provided with an impeller 15, the impeller 15 is located in a working cavity formed by the front cover plate 7 and the flow guide ring 14, and the working cavity is communicated with the first channel 10 through the flow guide ring 14.
The guide ring 14 and the front cover plate 7 form a working cavity, so that the guide ring 14 replaces part of the front cover plate 7 and the pump body 1, the whole volume is smaller, and the pump is more suitable for being used in places with relatively small space. The liquid has larger impact force under the action of the impeller 15, and the impact on the pump body 1 is reduced under the buffer action of the guide ring 14 and the first channel 10, so that the vibration of the pump body 1 is reduced.
On the other hand, the working cavity formed by the flow guide ring 14 and the front cover plate 7 needs to be sealed to avoid water leakage, and the third shell 12 is arranged for sealing the inner cavity in the technical scheme, so that the use of a sealing material of the whole device is reduced, and the processing cost is greatly saved.
The impeller 15 is in transmission connection with the rotor.
The impeller 15 rotates under the action of the power mechanism, the working rotating speed of the impeller 15 can generate centrifugal force, the impeller 14 is fixed on the rotor, the stability can be improved, efficient vibration and noise reduction is realized, and the installation precision of the device is improved.
The arrangement mode of the water inlet channel 16 and the water outlet channel 17 enables the circulating water pump to be linear, the linear circulating pump is small in size and suitable for installation in a plurality of environments, and the use convenience of the water pump is greatly improved. The concentricity of the water flow track and the power mechanism in the pump body is high, the water flow is stable at the moment, the vibration of the power mechanism is buffered, the stability of the device is improved, and the vibration of the pump body is reduced.
After the circulating water pump provided by the present disclosure is powered on, the rotor yoke 4 is acted on the fixed shaft 5 by the current and the stator 3 to rotate, the impeller 15 is driven by the rotor yoke 4 to start working, water flows through the water inlet channel 16 and then is thrown out by the impeller 15, and the thrown water flows through the flow guide ring 14 and the first channel 10 and finally is output through the water outlet channel 17. In the working process of the whole device, the power mechanism is in a completely sealed state, the water flow is provided with an independent flow channel, the pump body 1 is provided with the third shell 12 of the sealing structure, the whole device is good in sealing performance and waterproof performance, and the device is simple in structure and stable in operation.
The present disclosure has been described in detail, and the principles and embodiments of the present disclosure have been described herein using specific examples, which are provided only to assist in understanding the present disclosure and the core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present disclosure, several improvements and modifications can be made to the present disclosure, and these improvements and modifications also fall into the protection scope of the claims of the present disclosure.
Claims (8)
1. A circulating water pump is characterized by comprising a pump body and a power mechanism, wherein the pump body comprises a first shell, and the power mechanism is arranged in the first shell;
the pump body further comprises a second shell, the second shell is sleeved outside the first shell, a first channel is formed between the first shell and the second shell, and the first channel is used for liquid circulation;
the circulating water pump also comprises a front cover plate and a rear cover plate;
the pump body further comprises a third shell, one end of the third shell is connected with the front cover plate, and the other end of the third shell is connected with the rear cover plate;
sealing elements are arranged between the third shell and the front cover plate and between the third shell and the rear cover plate for sealing;
the third shell is sleeved on the outer side of the second shell.
2. The circulating water pump of claim 1, wherein the power mechanism includes a rotor and a stator, the rotor including a rotor yoke and a fixed shaft;
the power mechanism further comprises a connecting piece, the connecting piece is connected with the rotor yoke and the fixed shaft, and the rotor yoke rotates on the fixed shaft through the connecting piece;
the connecting piece is a sliding bearing.
3. The water circulating pump as claimed in claim 2, wherein a groove is formed in the first housing, and the groove is connected to one end of the fixed shaft to fix the fixed shaft.
4. The circulating water pump of claim 3, wherein a fixing bracket is arranged in the front cover plate, the fixing bracket is connected with one end of the fixed shaft away from the groove, and the fixed bracket enables the fixed shaft to be stabilized in the pump body.
5. The circulating water pump as claimed in claim 1, wherein the back cover plate is provided with a glue filling hole, the glue filling hole is communicated with the first housing, and the glue filling hole is used for performing glue filling treatment on the installation of the stator in the first housing.
6. The circulating water pump according to claim 1, wherein a flow guide ring is arranged between the front cover plate and the pump body;
the front cover plate is further provided with an impeller, the impeller is located in a working cavity formed by the front cover plate and the flow guide ring, and the working cavity is communicated with the first channel through the flow guide ring.
7. A circulating water pump according to claim 6, characterised in that the impeller is in driving connection with the rotor.
8. The water circulating pump according to claim 1, wherein the front cover plate is provided with a water inlet passage, and the rear cover plate is provided with a water outlet passage;
the water outlet channel is connected with the first channel, and the water inlet channel and the water outlet channel are positioned on the same axis;
and the axes of the water inlet channel and the water outlet channel are superposed with the rotation axis of the power mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121149594.4U CN217270844U (en) | 2021-05-26 | 2021-05-26 | Circulating water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121149594.4U CN217270844U (en) | 2021-05-26 | 2021-05-26 | Circulating water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217270844U true CN217270844U (en) | 2022-08-23 |
Family
ID=82853325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121149594.4U Active CN217270844U (en) | 2021-05-26 | 2021-05-26 | Circulating water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217270844U (en) |
-
2021
- 2021-05-26 CN CN202121149594.4U patent/CN217270844U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100426668B1 (en) | Motor-driven pump with a plurality of impellers | |
| CN108518347B (en) | Integrated axial suspension permanent magnet synchronous shielding pump | |
| CN111306070B (en) | Centrifugal pump with rotor integrated blade axial flux permanent magnet motor | |
| CN107040075A (en) | A kind of liquid immersion type pump | |
| CN202468342U (en) | Direct drive electromagnetic pump | |
| JP2000303986A5 (en) | ||
| CN110601448A (en) | Liquid cooling high power density position-free control PMSM motor | |
| CN217270844U (en) | Circulating water pump | |
| CN107191385B (en) | Magnetic driving type water jet propulsion pump | |
| CN211525117U (en) | High-frequency low-energy-consumption submersible electric pump | |
| CN111641308A (en) | Annular electric propeller driven by axial magnetic motor | |
| CN111271294A (en) | Water-cooled permanent magnet direct-drive slurry pump | |
| CN217539033U (en) | Shaftless electrically driven axial-flow pump | |
| CN111350668B (en) | Shaftless driving mute booster pump and implementation method | |
| CN215908071U (en) | Submersible wet type full tubular pump without shaft structure | |
| CN114526243B (en) | Hub-driven fluid machine | |
| CN217270843U (en) | Straight cylinder type circulating water pump | |
| Xiang et al. | Design and optimization of BLDC machine for bidirectional impeller pump | |
| CN212435560U (en) | Annular electric propeller driven by axial magnetic motor | |
| CN205605453U (en) | PMSM formula immersible pump that soaks | |
| CN113410948A (en) | High-speed asynchronous motor integrating stator section and rotor blade | |
| CN106208591A (en) | A kind of Novel electric liquid pump | |
| CN208793256U (en) | Electric water pump | |
| CN218062697U (en) | Double-stator water-filling type submersible tubular pump | |
| CN217632946U (en) | Centrifugal circulating pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |