CN110864008A - Pump body end cover, water pump and water heater - Google Patents
Pump body end cover, water pump and water heater Download PDFInfo
- Publication number
- CN110864008A CN110864008A CN201911071847.8A CN201911071847A CN110864008A CN 110864008 A CN110864008 A CN 110864008A CN 201911071847 A CN201911071847 A CN 201911071847A CN 110864008 A CN110864008 A CN 110864008A
- Authority
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- China
- Prior art keywords
- water
- end cover
- water flow
- outer tube
- pump
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 225
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
- F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a pump body end cover, a water pump with the pump body end cover and a water heater with the water pump, wherein the pump body end cover comprises: the end cover comprises an end cover body, a water service pipe is arranged on the end cover body, a water flow channel is arranged on the inner side of the water service pipe, a water service port is formed in one end of the water flow channel, the end cover body and the water service pipe are integrally formed, and a sensor installation space is formed in the water service pipe. The water service pipe and the end cover body are integrally formed, the water service pipe can be arranged at a water inlet of the end cover body or a water outlet of the end cover body, a sensor installation space of an external sensor is installed on the water service pipe, the sensor can detect the state of water at the water inlet or the water outlet, the sensor does not need to be additionally installed on the installation pipe and then is connected with the water pump through a sealing ring for installation, the sensor is installed on the water pump in an integrated mode, the hidden danger of water leakage is reduced, the assembly steps of the sensor and the water pump are simplified, and the assembly.
Description
Technical Field
The invention relates to the technical field of water pumps, in particular to a pump body end cover, a water pump and a water heater.
Background
Water pump control rivers are often used in waterway system, and the condition such as discharge, temperature of sensor detection water route is often connected in waterway system simultaneously, carries out real-time supervision and control to waterway system. For example, water pumps are more and more widely applied to gas water heaters, and a water pump, a water flow sensor and a temperature sensor are connected to a water path of the water heater, so that heating water flow can be controlled according to the relation between the water outlet temperature and the water flow of the water heater, and the water heater can discharge water at constant temperature; as shown in fig. 1, which is an exploded view of a connection structure between a conventional water flow sensor and a water pump, the conventional water flow sensor 01 is installed in an installation pipe, the installation pipe is hermetically connected to a water inlet of a water pump 03 through a seal ring 02, and water flows from the water flow sensor 01 to the water pump and then flows out from a water outlet of the water pump 03. The structure that uses the sealing washer to connect installation pipe and water pump has the hidden danger of leaking, and need assemble a plurality of parts when assembling sensor and water pump, and the assembly flow is more complicated, and assembly cost is higher relatively.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the pump body end cover which can reduce the hidden danger of water leakage of the connection of the sensor and the water pump and simplify the assembly steps of the sensor and the water pump.
The invention also provides a water pump with the pump body end cover.
The invention also provides a water heater with the water pump.
The pump body end cover comprises an end cover body, wherein a water supply cavity with a downward opening is formed in the lower side of the end cover body, a water through pipe is arranged on the end cover body, a water flow channel is formed in the inner side of the water through pipe, one end of the water flow channel is communicated with the water supply cavity, a water through opening is formed in the other end of the water flow channel, the end cover body and the water through pipe are integrally formed, and a sensor mounting space is formed in the water through pipe.
The pump body end cover provided by the embodiment of the invention at least has the following beneficial effects: the water service pipe and the end cover body are integrally formed, the peripheral sensor is arranged in the sensor installation space on the water service pipe, the sensor does not need to be additionally arranged on the installation pipe and then is connected with the water pump through the sealing ring for the installation pipe, the water leakage hidden danger is reduced, the assembly steps of the sensor and the water pump are simplified, and the assembly cost and the material cost are reduced.
According to some embodiments of the present invention, a magnetic wheel assembly is disposed in the water flow channel, the magnetic wheel assembly includes an outer tube, a magnetic wheel is rotatably connected to an inner side of the outer tube, the magnetic wheel and the outer tube are coaxially disposed, the outer tube is fixedly connected to an inner side of the water flow channel, an axial direction of the outer tube is the same as an axial direction of the water flow channel, a magnetic sensor is fixedly connected to an outer side of the water flow tube, the magnetic sensor is disposed corresponding to the magnetic wheel, and the magnetic wheel assembly and the magnetic sensor are both disposed in the sensor mounting space.
According to some embodiments of the invention, a plurality of swirl vanes are fixedly connected to the inner wall of the outer tube, the plurality of swirl vanes are uniformly distributed on the inner wall of the outer tube in the circumferential direction, and a plurality of magnets are uniformly distributed on the magnetic wheel in the circumferential direction at intervals.
According to some embodiments of the present invention, the magnetic wheel assembly is detachably and fixedly connected to the water flow channel, a positioning shoulder is disposed on an inner wall of the water flow channel, an end surface of the outer tube far away from the water passage opening abuts against the positioning shoulder, an outer tube fixing member is detachably and fixedly connected to an inner side of the water flow channel, and the outer tube fixing member abuts against another end surface of the outer tube.
According to some embodiments of the invention, the outer pipe fixing member is an elastic collar which is telescopic in a radial direction of the water flow passage, and the outer pipe fixing member is connected with an inner wall of the water flow passage in an interference fit manner.
According to some embodiments of the invention, the outer tube fixing member includes an arc strip arranged on the upper side, both ends of the arc strip are bent downwards to form first positioning strips, the lower end of each first positioning strip is bent towards one side close to the other first positioning strip to form a second positioning strip, the arc strip and the second positioning strip are connected with the inner wall of the water flow channel, and the first positioning strip abuts against the end surface of the outer tube.
According to some embodiments of the invention, the magnetic inductor is a hall sensor.
According to some embodiments of the invention, a temperature sensor is further fixedly connected in the water flow channel.
According to some embodiments of the present invention, an ultrasonic water flow sensor is fixedly connected to an outer side of the water service pipe, and the ultrasonic water flow sensor is disposed in the sensor installation space.
The water pump according to the second aspect of the present invention includes the pump body end cover according to the first aspect of the present invention, and further includes a pump casing fixedly connected to a lower side of the pump body end cover, wherein a motor is disposed in the pump casing, an output shaft of the motor is fixedly connected to a water delivery impeller, and the water delivery impeller is disposed in the water delivery cavity.
The water pump provided by the embodiment of the invention at least has the following beneficial effects: through adopting foretell pump body end cover, the hidden danger of leaking that reducible sensor is connected with the water pump, reduction in production cost.
The water heater according to the third aspect embodiment of the invention comprises the water pump according to the second aspect embodiment of the invention.
The water heater provided by the embodiment of the invention at least has the following beneficial effects: by adopting the water pump, the water leakage hidden danger of the water channel can be reduced, and the production cost is reduced.
The invention is used for the water pump.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
FIG. 1 is an exploded view of a prior art water flow sensor and water pump mounting arrangement;
FIG. 2 is an exploded perspective view of a pump body end cap according to embodiment 1 of the present invention;
FIG. 3 is a schematic partial cross-sectional view of a pump body end cover according to embodiment 1 of the present invention;
FIG. 4 is a view taken along line A of FIG. 3;
fig. 5 is a perspective view of a water pump according to an embodiment of the present invention.
In the drawings: 101-an end cover body, 102-a water feeding cavity, 103-a water through pipe, 104-a water flow channel, 105-a water inlet, 106-a water outlet, 107-a magnetic inductor, 108-a positioning shoulder, 109-a temperature sensor, 110-a pump shell, 200-a magnetic wheel assembly, 201-an outer pipe, 202-a swirl vane, 203-a magnetic wheel, 300-an outer pipe fixing piece, 301-an arc strip, 302-a first positioning strip and 303-a second positioning strip.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly defined, terms such as provided, connected and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
Embodiment 1 of a pump body end cap according to an embodiment of the first aspect of the invention is described below with reference to fig. 2 to 4.
The pump body end cover comprises an end cover body 101, a water supply cavity 102 with a downward opening is formed in the lower side of the end cover body 101, a water service pipe 103 is arranged on the end cover body 101, a water flow channel 104 is arranged on the inner side of the water service pipe 103, one end of the water flow channel 104 is communicated with the water supply cavity 102, a water service opening is formed in the other end of the water flow channel 104, the end cover body 101 and the water service pipe 103 are integrally formed, and a sensor installation space is formed in the water service pipe 103.
The water service pipe 103 and the end cover body 101 are integrally formed, the water service pipe 103 can be arranged at a water inlet 105 of the end cover body 101 or a water outlet 106 of the end cover body 101, water flows through the water supply cavity 102 through the water inlet 105 of the end cover body 101 and then flows out of the water outlet 106 of the end cover body 101, an external sensor is arranged in a sensor mounting space on the water service pipe 103, the sensor can detect the state of water at the water inlet 105 or the water outlet 106, the sensor does not need to be additionally arranged on the mounting pipe and then is connected with a water pump through a sealing ring for mounting, the sensor is mounted and integrated on the water pump, the hidden danger of water leakage is reduced, the number of parts required for connecting the sensor and the water pump is reduced, the assembly.
In some embodiments of the present invention, a magnetic wheel assembly 200 is disposed in the water flow channel 104, the magnetic wheel assembly 200 includes an outer tube 201, a magnetic wheel 203 is rotatably connected to an inner side of the outer tube 201, the magnetic wheel 203 is coaxially disposed with the outer tube 201, the outer tube 201 is fixedly connected to an inner side of the water flow channel 104, an axial direction of the outer tube 201 is the same as an axial direction of the water flow channel 104, a magnetic sensor 107 is fixedly connected to an outer side of the water flow tube 103, the magnetic sensor 107 is disposed corresponding to the magnetic wheel 203, and both the magnetic wheel assembly 200 and the magnetic sensor 107 are disposed in the sensor mounting space. The magnetic wheel assembly 200 and the magnetic inductor 107 are directly and respectively installed in the water flow channel 104 and on the water service pipe 103, and the magnetic wheel assembly 200 and the magnetic inductor 107 form a water flow sensor to detect water flow.
In some embodiments of the present invention, a plurality of swirl vanes 202 are fixedly connected to an inner wall of the outer tube 201, the plurality of swirl vanes 202 are circumferentially and uniformly distributed on the inner wall of the outer tube 201, and a plurality of magnets are circumferentially and uniformly distributed on the magnetic wheel 203 at intervals. Water flow enters the outer pipe 201 from the water inlet 105 of the end cover body 101, the water flow forms rotating water flow with circumferential motion through the rotational flow blades 202, the rotating water flow impacts the surface of the magnet to enable the magnetic wheel 203 to rotate, when the magnet is close to the magnetic inductor 107, the magnetic inductor 107 generates pulse signals, different rotating speeds of the water flow can be generated on the magnetic wheel 203, and the different rotating speeds can generate pulse signals with different frequencies to achieve detection of the water flow.
In some embodiments of the present invention, the magnetic wheel assembly 200 is detachably and fixedly connected to the water flow channel 104, the inner wall of the water flow channel 104 is provided with a positioning shoulder 108, the end surface of the outer tube 201 away from the water through opening abuts against the positioning shoulder 108, the inner side of the water flow channel 104 is further detachably and fixedly connected to an outer tube fixing member 300, and the outer tube fixing member 300 abuts against the other end surface of the outer tube 201. The magnetic wheel assembly 200 is inserted into the water flow channel 104 from the water through opening, one end of the outer tube 201 far away from the water through opening abuts against the positioning shoulder 108 for limiting, and then the other end of the outer tube 201 is clamped by the outer tube fixing member 300 to be fixed so that the outer tube 201 cannot fall off. The outer tube fixing member 300 is detachably connected to the water flow passage 104, so that the magnetic wheel assembly 200 can be conveniently disassembled and replaced when worn after being used for a long time.
In some embodiments of the present invention, the outer tube fixing member 300 is an elastic collar that is retractable in a radial direction of the water flow passage 104, and the outer tube fixing member 300 is connected to an inner wall of the water flow passage 104 in an interference fit manner. The elastic collar can stretch out and draw back along the radial direction of water flow channel 104, when the elastic collar is installed, the elastic collar is compressed towards the center and can be plugged into water flow channel 104, the elastic collar is pushed into the end face of outer pipe 201 to abut against the end face, and then the elastic collar is loosened to enable the elastic collar to extend outwards to press the inner wall of water flow channel 104, so that interference fit fixation is achieved.
In some embodiments of the present invention, the outer tube fixing member 300 includes an arc strip 301 disposed on the upper side, both ends of the arc strip 301 are bent downward to form a first positioning strip 302, a lower end of the first positioning strip 302 is bent toward a side close to another first positioning strip 302 to form a second positioning strip 303, the arc strip 301 and the second positioning strip 303 are connected to an inner wall of the water flow channel 104, and the first positioning strip 302 abuts against an end surface of the outer tube 201. The two first positioning bars 302 are compressed from two sides to the middle, so that the two first positioning bars 302 approach to the middle, the outer tube fixing member 300 is taken out after the second positioning bar 303 leaves the side wall of the water flow passage 104, and the two first positioning bars 302 are arranged to facilitate compression. The two first positioning strips 302 also act against the outer tube 201, with less effect on the water flow. The outer tube fixing member 300 may be bent using a stainless steel strip, and the bent stainless steel strip may be rebounded within a limited deformation distance.
In some embodiments of the present invention, the magnetic sensor 107 is a hall sensor, and is fixed on the water inlet pipe by screws or glue.
In some embodiments of the present invention, a temperature sensor 109 is also fixedly connected to the water flow channel 104. The temperature sensor 109 is fixedly connected to the water inlet pipe, and a probe of the temperature sensor 109 is arranged in the water flow channel 104 to detect the water temperature. The temperature sensor 109 is also arranged on the end cover of the integrated pump body, so that the integration level of the water pump is further improved.
Embodiment 2 of the pump body end cap according to the embodiment of the first aspect of the present invention is described below. The outer side of the water pipe 103 is fixedly connected with an ultrasonic water flow sensor, and the ultrasonic water flow sensor is arranged in a sensor mounting space. Can install ultrasonic wave water flow sensor in the sensor installation space, ultrasonic wave water flow sensor is higher to the precision that water flow detected.
The water pump according to the second aspect of the present invention includes the pump body cover according to the first aspect of the present invention, as shown in fig. 5, and further includes a pump casing 110 fixedly connected to the lower side of the pump body cover, a motor is disposed in the pump casing 110, and a water delivery impeller is fixedly connected to an output shaft of the motor and disposed in the water delivery cavity 102. The motor drives the water delivery impeller to rotate in the water delivery cavity 102, so as to drive the water to flow.
According to the water pump provided by the embodiment of the invention, by adopting the pump body end cover, the hidden water leakage danger caused by connection of the sensor and the water pump is reduced, and the production cost is reduced.
The water heater according to the third aspect embodiment of the invention comprises the water pump according to the second aspect embodiment of the invention.
According to the water heater provided by the embodiment of the invention, by adopting the water pump, the hidden danger of water leakage of a water path can be reduced, and the production cost is reduced.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments, and various equivalent modifications or substitutions can be made within the knowledge of those skilled in the art without departing from the gist of the present invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (11)
1. The pump body end cover is characterized by comprising an end cover body, wherein a water supply cavity with a downward opening is formed in the lower side of the end cover body, a water through pipe is arranged on the end cover body, a water flow channel is arranged on the inner side of the water through pipe, one end of the water flow channel is communicated with the water supply cavity, a water through opening is formed in the other end of the water flow channel, the end cover body and the water through pipe are integrally formed, and a sensor installation space is formed in the water through pipe.
2. The pump body end cover according to claim 1, wherein a magnetic wheel assembly is arranged in the water flow channel, the magnetic wheel assembly comprises an outer tube, a magnetic wheel is rotatably connected to the inner side of the outer tube, the magnetic wheel and the outer tube are coaxially arranged, the outer tube is fixedly connected to the inner side of the water flow channel, the axial direction of the outer tube is the same as that of the water flow channel, a magnetic inductor is fixedly connected to the outer side of the water flow tube, the magnetic inductor and the magnetic wheel are correspondingly arranged, and the magnetic wheel assembly and the magnetic inductor are both arranged in the sensor installation space.
3. The pump body end cover according to claim 2, wherein a plurality of swirl vanes are fixedly connected to the inner wall of the outer tube, the plurality of swirl vanes are circumferentially and uniformly distributed on the inner wall of the outer tube, and a plurality of magnets are circumferentially and uniformly distributed on the magnetic wheel at intervals.
4. The pump body end cover according to claim 2, wherein the magnetic wheel assembly is detachably and fixedly connected with the water flow channel, a positioning shoulder is arranged on the inner wall of the water flow channel, the end surface of the outer tube far away from the water through opening abuts against the positioning shoulder, an outer tube fixing member is detachably and fixedly connected to the inner side of the water flow channel, and the outer tube fixing member abuts against the other end surface of the outer tube.
5. The pump body end cap of claim 4, wherein the outer tube fixing member is an elastic collar that is retractable in a radial direction of the water flow passage, and the outer tube fixing member is connected with an inner wall of the water flow passage in an interference fit manner.
6. The pump body end cover according to claim 5, wherein the outer tube fixing member includes an arc strip disposed at an upper side, both ends of the arc strip are bent downward to form first positioning strips, a lower end of each first positioning strip is bent toward a side close to the other first positioning strip to form a second positioning strip, the arc strip and the second positioning strip are connected with an inner wall of the water flow channel, and the first positioning strips abut against end surfaces of the outer tubes.
7. The pump body end cap of claim 2, wherein the magnetic sensor is a hall sensor.
8. The pump body end cap of claim 1, wherein a temperature sensor is also fixedly attached within the water flow passage.
9. The pump body end cover according to claim 1, wherein an ultrasonic water flow sensor is fixedly connected to an outer side of the water through pipe, and the ultrasonic water flow sensor is disposed in the sensor mounting space.
10. A water pump, comprising the pump body end cover according to any one of claims 1 to 9, and further comprising a pump casing fixedly connected to the lower side of the pump body end cover, wherein a motor is arranged in the pump casing, an output shaft of the motor is fixedly connected with a water delivery impeller, and the water delivery impeller is arranged in the water delivery cavity.
11. A water heater comprising a water pump according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911071847.8A CN110864008A (en) | 2019-11-05 | 2019-11-05 | Pump body end cover, water pump and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911071847.8A CN110864008A (en) | 2019-11-05 | 2019-11-05 | Pump body end cover, water pump and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110864008A true CN110864008A (en) | 2020-03-06 |
Family
ID=69653416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911071847.8A Pending CN110864008A (en) | 2019-11-05 | 2019-11-05 | Pump body end cover, water pump and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110864008A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217403A (en) * | 2021-05-13 | 2021-08-06 | 浙江恒胜机械有限公司 | Quantitative pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB607648A (en) * | 1946-02-09 | 1948-09-02 | Jarrett Rainsford & Laughton L | Boxes or cases having an inner container or receptacle |
| CN204961330U (en) * | 2015-09-26 | 2016-01-13 | 佛山市顺德区卓高电机制造有限公司 | Automatic permanent magnetism water pump that stops control that opens in area |
| JP2016055900A (en) * | 2014-09-10 | 2016-04-21 | 日本通運株式会社 | Built-up type uld device |
| CN208624987U (en) * | 2018-02-07 | 2019-03-22 | 吴耀全 | A kind of backrest buffer gear |
| CN110285070A (en) * | 2019-07-19 | 2019-09-27 | 新界泵业(浙江)有限公司 | Automatic pressure pump |
| CN110332965A (en) * | 2019-08-05 | 2019-10-15 | 广东万家乐燃气具有限公司 | A kind of water flow sensor and gas heater |
| CN211314650U (en) * | 2019-11-05 | 2020-08-21 | 广东万家乐燃气具有限公司 | Pump body end cover, water pump and water heater |
-
2019
- 2019-11-05 CN CN201911071847.8A patent/CN110864008A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB607648A (en) * | 1946-02-09 | 1948-09-02 | Jarrett Rainsford & Laughton L | Boxes or cases having an inner container or receptacle |
| JP2016055900A (en) * | 2014-09-10 | 2016-04-21 | 日本通運株式会社 | Built-up type uld device |
| CN204961330U (en) * | 2015-09-26 | 2016-01-13 | 佛山市顺德区卓高电机制造有限公司 | Automatic permanent magnetism water pump that stops control that opens in area |
| CN208624987U (en) * | 2018-02-07 | 2019-03-22 | 吴耀全 | A kind of backrest buffer gear |
| CN110285070A (en) * | 2019-07-19 | 2019-09-27 | 新界泵业(浙江)有限公司 | Automatic pressure pump |
| CN110332965A (en) * | 2019-08-05 | 2019-10-15 | 广东万家乐燃气具有限公司 | A kind of water flow sensor and gas heater |
| CN211314650U (en) * | 2019-11-05 | 2020-08-21 | 广东万家乐燃气具有限公司 | Pump body end cover, water pump and water heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217403A (en) * | 2021-05-13 | 2021-08-06 | 浙江恒胜机械有限公司 | Quantitative pump |
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