Water pump

Abstract

The utility model provides a water pump. The water pump comprises a pump body and a sensor. And a pump head is arranged on the pump body. The pump head is provided with a water inlet connector and a water outlet connector. A pump cavity is formed in the pump head, and the water inlet connector and the water outlet connector are both communicated with the pump cavity. The sensor is arranged on the water outlet connector. The sensor is integrated on the water outlet connector, the integration degree is high, and the installation space and the manufacturing cost are saved. And meanwhile, the water pump is more convenient to install and maintain.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of water pumps, in particular to a water pump. BACKGROUND

[0002] With the increasing improvement of people's living standards, many different types of water pumps appear on the market. Water pumps are generally used for outdoor water discharge, such as air conditioning condensate water discharge. The existing water pump does not set a sensor, and needs to add an adapter, and a sensor is set on the adapter to realize temperature detection of the water pump. However, the installation form of the sensor installed on the water pump through the adapter is unstable, the accessories are scattered, and the manufacturing cost is high. At the same time, the parts need to be assembled on site, the process is complex, the integration is low, and the installation space is large.

[0003] Therefore, it is necessary to provide an improved water pump to solve the above problems. CONTENT OF THE INVENTION

[0004] The present application provides a water pump with low manufacturing cost and high integration.

[0005] The present application provides a water pump, comprising a pump body and a sensor, wherein the pump body is provided with a pump head; the pump head is provided with a water inlet connector and a water outlet connector; the pump head is provided with a pump cavity, and the water inlet connector and the water outlet connector are in communication with the pump cavity; and the sensor is arranged on the water outlet connector.

[0006] Further, a sensor connecting hole is formed in the side wall of the water outlet connector, an internal thread is arranged on the side wall surrounding the sensor connecting hole, and the sensor protrudes into the sensor connecting hole and is threadedly connected with the water outlet connector.

[0007] Further, the sensor is a water temperature sensor, which comprises a plug-in part and a connecting part, the plug-in part penetrates through the sensor connecting hole and extends into the water outlet connector, and the connecting part is connected with the plug-in part and located outside the water outlet connector.

[0008] Further, the plug-in part comprises a thermistor and a packaging part fixed together, the thermistor is arranged in the water outlet connector, part of the packaging part is located in the sensor connecting hole and has an external thread on the outer surface, the external thread cooperates with the internal thread to threadedly connect the packaging part with the water outlet connector, and the remaining part of the packaging part is attached to the side wall of the water outlet connector.

[0009] Further, the connecting part comprises a wire and a protective tube, the wire is connected with the packaging part, and the protective tube is sleeved on one end of the wire close to the packaging part; the packaging part is made of metal material; and the protective tube is made of insulating material.

[0010] Further, one end of the water inlet joint is welded and fixed with the pump head, and an expansion tank adapter is arranged on the water inlet joint, one end of the expansion tank adapter is welded and fixed with the water inlet joint.

[0011] Further, the water inlet joint is arranged along the length direction of the pump body, the other end of the water inlet joint is provided with a water inlet, and a first fixing thread is arranged on the side wall of the water inlet.

[0012] Further, the other end of the expansion tank adapter is provided with an adapter port, and a rotating thread is arranged on the side wall of the adapter port.

[0013] Further, the water outlet joint is arranged along the height direction of the pump body, one end of the water outlet joint is welded and fixed with the pump head, the other end of the water outlet joint is provided with a water outlet, and a second fixing thread is arranged on the side wall of the water outlet.

[0014] Further, a motor is further arranged on the pump body, and the motor is connected with the pump head.

[0015] The sensor of the water pump is integrated on the water outlet joint, the integration degree of the water pump is high, the installation space and the manufacturing cost are saved, and meanwhile, the operation is more convenient when the water pump is installed and maintained. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the water pump of the present application.

[0017] Figure 2 is a front view of the water pump shown in Figure 1

[0018] Figure 3 is a top view of the water pump shown in Figure 1

[0019] Figure 4 is a side view of the water pump shown in Figure 1

[0020] Figure 5 is a partial enlarged view of the top view of the water pump shown in Figure 3

[0021] Figure 6 is a sectional view of the water pump along line A-A shown in Figure 3

[0022] Figure 7 is a sectional view of the water outlet joint and the sensor of the water pump shown in Figure 6

[0023] Figure 8 is a schematic view of the sensor of the water pump of the present application.

[0024] ​​​​​​Figure 9 is Figure 8 a schematic diagram of the plug of the sensor shown.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 10, pump body; 11, motor; 12, foot stand; 13, junction box; 131, nameplate; 20, sensor; 21, plug; 211, thermistor; 212, packaging part; 213, external thread; 22, connecting piece; 221, wire; 222, protective tube; 30, pump head; 31, pump cavity; 32, water inlet connecting port; 33, water outlet connecting port; 40, water inlet connector; 41, water inlet; 42, first fixing thread; 43, expansion tank interface; 50, water outlet connector; 51, sensor connecting hole; 511, internal thread; 52, water outlet; 53, second fixing thread; 60, expansion tank adapter; 61, adapter interface; 62, rotating thread. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments (or modes of implementation) of the present application will be described clearly and completely below with reference to the drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated.

[0028] If the application embodiments involve directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships, movement conditions, etc. between components in a certain specific posture (as shown in the drawings); if the specific posture changes, the directional indications or positional relationships also change accordingly. In addition, the terms "first", "second", etc. in the application embodiments are only used for convenience of description and cannot be understood as indicating or implying relative importance.

[0029] Referring to Figures 1 to 4 shown, the present application provides a water pump, comprising a pump body 10, a sensor 20, a pump head 30, a water inlet connector 40, and a water outlet connector 50. The pump head 30 is arranged on the pump body 10. The water inlet connector 40 and the water outlet connector 50 are arranged on the pump head 30. The pump head 30 is provided with a pump cavity 31. The water inlet connector 40 and the water outlet connector 50 are both in communication with the pump cavity 31. The sensor 20 is arranged on the water outlet connector 50, which can monitor the water flow, pressure, and water temperature, etc. key parameters at the water outlet connector 50 in real time, and optimize the operation state of the water pump in a timely manner.

[0030] According to other embodiments of the present application, a sensor can also be arranged in the pump cavity 31 or the water inlet connector 40 to obtain water temperature or pressure parameters, etc. at other parts of the water pump.

[0031] The pump body 10 is further provided with a motor 11. The motor 11 and the pump head 30 are respectively arranged at two ends of the pump body 10. The motor 11 is connected with the pump head 30. The bottom of the motor 11 is provided with a foot stand 12. The foot stand 12 is a pair of and oppositely arranged along the width direction of the motor 11. The symmetrical arrangement of the foot stand 12 can enhance the overall balance and installation stability of the water pump. The side wall of the motor 11 is provided with a junction box 13. The junction box 13 facilitates the line connection of the motor 11 and simplifies the installation process. The outer wall of the junction box 13 is provided with a nameplate 131. The nameplate 131 can be used for laser engraving the specific parameters and model identification of the water pump, which is beneficial to the later management and tracing of the water pump.

[0032] According to other embodiments of the present application, the foot stand can be designed in an adjustable manner, and the height of the foot stand can adapt to the requirements of different installation environments and ground levels.

[0033] According to the embodiments of the present application, the sensor 20 is a water temperature sensor. In addition, the sensor 20 can also be an integrated flow sensor, a pressure sensor, etc.

[0034] Referring to FIGS. 1, 2 and 3, Figure 8 and Figure 9 The sensor 20 includes a plug-in part 21 and a connecting part 22. The plug-in part 21 is connected with the connecting part 22. The plug-in part 21 is arranged in the water outlet connector 50. The plug-in part 21 includes a thermistor 211 and a packaging part 212 fixed together. The thermistor 211 is arranged in the water outlet connector 50. The connection between the thermistor 211 and the packaging part 212 is provided with packaging resin. The use of the packaging resin can effectively prevent moisture and other external substances from entering the inside of the sensor 20, thereby improving the waterproof performance thereof. Part of the packaging part 212 is arranged outside the water outlet connector 50, and the outer surface of the remaining part of the packaging part 212 is provided with external threads 213. The remaining part of the packaging part 212 is attached to the side wall of the water outlet connector 50.

[0035] According to the embodiments of the present application, the plug-in part 21 and the connecting part 22 are assembled into the sensor 20 in a split type. In addition, the sensor can also adopt a plug-in part and a connecting part in an integrated type.

[0036] According to the embodiments of the present application, the sensor 20 is a plug-in type temperature measuring sensor, and the sensor 20 needs to be inserted into the inside of the water outlet connector 50 to realize measurement. In addition, an infrared temperature sensor can also be used to realize non-contact temperature measurement, which can avoid direct exposure of the sensor to the flowing medium and reduce wear and corrosion. According to other embodiments of the present application, the sensor can also be integrally formed with the water outlet connector 50, instead of being connected through threads.

[0037] The connecting piece 22 comprises a wire 221 and a protective tube 222. The wire 221 is connected with the packaging part 212. The protective tube 222 is sleeved on one end of the wire 221 close to the packaging part 212. The packaging part 212 is made of metal material. The protective tube 222 is made of insulating material. According to the embodiment of the present application, the protective tube 222 is a heat shrink tube.

[0038] According to other embodiments of the present application, a flexible sheath can be used instead of the heat shrink tube, which can adapt to a moving or vibrating environment in a larger range.

[0039] In some embodiments, the wire and the protective tube can be integrated into one whole structure, reducing the number of components, thereby simplifying production and installation.

[0040] According to the embodiment of the present application, a sealant or an O-ring is used at the connection between the wire 221 and the packaging part 212, further enhancing the waterproof performance and improving the overall sealing performance.

[0041] Referring to Figures 5 to 7 As shown in the figure, the pump head 30 is cylindrical. The pump cavity 31 is also cylindrical. The side surface of the pump head 30 is provided with a water inlet connecting port 32. The upper part of the pump head 30 is provided with a water outlet connecting port 33. One end of the water inlet connector 40 communicates with the pump cavity 31 through the water inlet connecting port 32. One end of the water outlet connector 50 communicates with the pump cavity 31 through the water outlet connecting port 33.

[0042] According to other embodiments of the present application, the pump head can also adopt other geometric shapes (such as conical or square) to adapt to specific application requirements.

[0043] According to the embodiment of the present application, the pump head 30 and the pump body 10 are made of cast aluminum, cast steel or stainless steel material. In addition, composite materials or engineering plastics that are lighter and stronger can be used to manufacture the pump head and the pump cavity, reducing the weight while improving the durability.

[0044] In some embodiments, a filter screen (not shown) is added at the water inlet connecting port 32 and the water outlet connecting port 33 to prevent impurities from entering the pump cavity 31 and protect the normal operation of the water pump.

[0045] The water inlet connector 40 is arranged along the length direction of the pump body 10. One end of the water inlet connector 40 is welded and fixed with the pump head 30. The other end of the water inlet connector 40 is provided with a water inlet port 41. The side wall of the water inlet port 41 is provided with a first fixing thread 42. The water outlet connector 50 is arranged along the height direction of the pump body 10. One end of the water outlet connector 50 is welded and fixed with the pump head 30. The other end of the water outlet connector 50 is provided with a water outlet port 52. The side wall of the water outlet port 52 is provided with a second fixing thread 53.

[0046] One end of the water inlet joint 40 is welded and fixed with the pump head 30, and one end of the water outlet joint 50 is welded and fixed with the pump head 30. The design of welded and fixed enhances the connection strength of the water inlet joint 40 and the water outlet joint 50 with the pump head 30, and reduces the risk of loosening caused by vibration or pressure change. The setting of the first fixing thread 42 and the second fixing thread 53 enables the water inlet 41 and the water outlet 52 to be quickly and conveniently connected to the external pipeline system, reducing installation time and complexity. At the same time, the threaded design makes the disassembly and replacement process more simple, facilitating regular maintenance and cleaning, and prolonging the service life of the water pump.

[0047] According to other embodiments of the present application, the water inlet joint 40 and the water outlet joint 50 can introduce quick connection technology, using buckles or quick plug joints, to further simplify the installation and disassembly process.

[0048] The side wall of the water outlet joint 50 is provided with a sensor connection hole 51. The side wall surrounding the sensor connection hole 51 is provided with an internal thread 511. The sensor 20 protrudes into the sensor connection hole 51 and is threadedly connected with the water outlet joint 50. The external thread 213 cooperates with the internal thread 511 to threadedly connect the packaging part 212 with the water outlet joint 50. The plug-in part 21 passes through the sensor connection hole 51 and extends into the water outlet joint 50.

[0049] In some embodiments, the external thread 213 and the internal thread 511 can also not be provided, and the sensor and the water outlet joint can adopt a quick plug joint type connection mode to improve the connection efficiency.

[0050] According to embodiments of the present application, the inner diameter of the sensor connection hole 51 is smaller than the inner diameter of the water outlet 52. The sensor connection hole 51 is provided along the width direction of the pump body 10. The sensor connection hole 51 is perpendicular to the water outlet joint 50.

[0051] The water inlet joint 40 is provided with an expansion tank adapter 60. One end of the expansion tank adapter 60 is welded and fixed with the water inlet joint 40. The water inlet joint 40 is provided with an expansion tank interface 43. The expansion tank adapter 60 communicates with the pump cavity 31 through the expansion tank interface 43. The other end of the expansion tank adapter 60 is provided with an adapter interface 61, and the side wall of the adapter interface 61 is provided with a rotating thread 62. The expansion tank adapter 60 is threadedly connected with the expansion tank (not shown) through the rotating thread 62. The expansion tank can absorb pressure fluctuations in the system, effectively reducing the impact on the pump body 10 and the pipeline, improving the stability and service life of the entire system.

[0052] According to embodiments of the present application, the expansion tank adapter 60 is provided along the height direction of the pump body 10. The expansion tank adapter 60 is perpendicular to the water inlet joint 40.

[0053] The sensor 20 of the application is integrated on the water outlet joint 50, so that the water pump has high integration, and installation space and manufacturing cost are saved. Meanwhile, the expansion tank adapter 60 is integrated on the water inlet joint 40, so that the installation process is simplified.

[0054] It should be noted that the technical solutions or technical features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of the application is not limited to the precise structures described in the above embodiments and shown in the drawings; any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the application shall be included in the scope of protection of the application.

Claims

1. A water pump characterized by comprising: The pump body is provided with a pump head, a water inlet joint and a water outlet joint, and a pump cavity is arranged in the pump head, wherein the water inlet joint and the water outlet joint are communicated with the pump cavity; the sensor is arranged on the water outlet joint.

2. The water pump of claim 1, wherein A sensor connecting hole is formed in the side wall of the water outlet joint, and an internal thread is arranged on the side wall surrounding the sensor connecting hole; the sensor protrudes into the sensor connecting hole and is threadedly connected with the water outlet joint.

3. The water pump of claim 2, wherein The sensor is a water temperature sensor, which comprises a plug-in part and a connecting part; the plug-in part penetrates through the sensor connecting hole and extends into the water outlet joint, and the connecting part is connected with the plug-in part and located outside the water outlet joint.

4. The water pump of claim 3, wherein The plug-in part comprises a thermistor and a packaging part which are fixed together; the thermistor is arranged in the water outlet joint, and part of the packaging part is located in the sensor connecting hole and is provided with an external thread on the outer surface; the external thread is matched with the internal thread to threadedly connect the packaging part with the water outlet joint; the remaining part of the packaging part is attached to the side wall of the water outlet joint.

5. The water pump of claim 4, wherein The connecting part comprises a wire and a protective tube; the wire is connected with the packaging part, and the protective tube is sleeved on one end of the wire close to the packaging part; the packaging part is made of metal material; the protective tube is made of insulating material.

6. The water pump of claim 1, wherein One end of the water inlet joint is welded and fixed with the pump head, and the water inlet joint is provided with an expansion tank adapter; one end of the expansion tank adapter is welded and fixed with the water inlet joint.

7. The water pump of claim 6, wherein The water inlet joint is arranged along the length direction of the pump body; the other end of the water inlet joint is provided with a water inlet port, and a first fixing thread is arranged on the side wall of the water inlet port.

8. The water pump of claim 6, wherein The other end of the expansion tank adapter is provided with an adapter port, and a rotating thread is arranged on the side wall of the adapter port.

9. The water pump of claim 1, wherein The water outlet joint is arranged along the height direction of the pump body; one end of the water outlet joint is welded and fixed with the pump head, the other end of the water outlet joint is provided with a water outlet port, and a second fixing thread is arranged on the side wall of the water outlet port.

10. The water pump of claim 1, wherein The pump body is further provided with a motor, and the motor is connected with the pump head.

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