CN212180012U - Small-flow water flow sensor - Google Patents
Small-flow water flow sensor Download PDFInfo
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- CN212180012U CN212180012U CN202020029663.7U CN202020029663U CN212180012U CN 212180012 U CN212180012 U CN 212180012U CN 202020029663 U CN202020029663 U CN 202020029663U CN 212180012 U CN212180012 U CN 212180012U
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- impeller
- casing
- water inlet
- water
- inlet pipe
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Abstract
The utility model relates to a low discharge water flow sensor, including the cavity casing, be equipped with the inlet tube and the outlet pipe that supply the bayonet joint to peg graft with casing integrated into one piece respectively at both ends on the casing, inlet tube and outlet pipe and casing intercommunication, be equipped with the magnetic impeller of the rotatable cartridge of first impeller mounting bracket and one end on first impeller mounting bracket in the casing, the casing is equipped with the hall element of response magnetic impeller outward, its technical essential does, the sleeve pipe has been inserted in the inlet tube, sheathed tube tip top is leaned on and is made bayonet joint and inlet tube grafting back sheathed tube tip and water inlet in the bayonet joint on the water inlet of inlet tube, be equipped with the second impeller mounting bracket that supplies the rotatable grafting of the magnetic impeller other end on the sheathed tube stretches into the end. The utility model discloses simple structure, simple to operate.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a sensor.
[ background of the invention ]
The water flow in drinking machines such as coffee machines and water purifiers is small, called as small flow. To control the flow of water within these dispensers, a water flow sensor is provided. In the existing small-flow sensor, the shell and the water inlet pipe are connected in a split mode, the water inlet pipe is connected with the water dispenser, therefore, the shell and the water inlet pipe need to be additionally plugged in a sealing mode, the production cost is high, and installation is inconvenient.
[ Utility model ] content
The utility model aims at overcoming the defects of the prior art and providing a small-flow water flow sensor with simple structure and convenient installation.
In order to solve the problem, the utility model adopts the following technical scheme:
the utility model provides a little flow water sensor, includes the cavity casing, the casing on be equipped with both ends respectively and be equipped with inlet tube and outlet pipe that supplies the bayonet joint to peg graft with casing integrated into one piece, inlet tube and outlet pipe and casing in intercommunication, the casing in be equipped with the magnetic impeller of the rotatable cartridge of first impeller mounting bracket and one end on first impeller mounting bracket, the casing be equipped with the response outward the hall element of magnetic impeller, its characterized in that: the water inlet pipe is internally inserted with a sleeve, the end part of the sleeve is propped against the water inlet of the water inlet pipe to ensure that the end part and the water inlet of the sleeve 7 are positioned in the plug after the plug connector is plugged with the water inlet pipe, and the extending end of the sleeve is provided with a second impeller mounting rack for the rotatable plugging of the other end of the magnetic impeller.
A small flow water sensor as described above, characterized by: the first impeller mounting frame is provided with a jack for inserting one end of the magnetic impeller, and a rigid ball for abutting against the inserted end of the magnetic impeller is arranged in the jack.
A small flow water sensor as described above, characterized by: the shell body is externally provided with a mounting groove, and a mounting shell for the Hall element to be mounted is clamped in the mounting groove.
A small flow water sensor as described above, characterized by: the two ends of the mounting shell are provided with elastic clasps buckled on the mounting groove.
A small flow water sensor as described above, characterized by: the magnetic impeller is formed by mixing magnetic powder and plastic.
A small flow water sensor as described above, characterized by: the plug connector comprises a plug shell for inserting the water inlet pipe and the water outlet pipe, a sealing ring is arranged between the plug shell and the water inlet pipe and between the plug shell and the water outlet pipe, and an elastic clamping claw sleeved and clamped outside the water inlet pipe and the water outlet pipe is arranged in the plug shell.
A small flow water sensor as described above, characterized by: the water inlet pipe and the sleeve are fixed through ultrasonic welding.
The beneficial effects of the utility model are that: the water inlet pipe, the water outlet pipe and the shell are integrally formed, the sleeve is inserted into the water inlet pipe, the plug connector in the water drinking machine is directly plugged with the water inlet pipe and the water outlet pipe, the water inlet pipe and the water inlet are both arranged in the plug connector after being plugged, the plug connector in the water drinking machine has a water leakage prevention function, the shell can be directly used after being plugged, an additional sealing ring does not need to be arranged in the shell, and the water drinking machine is simple in structure and convenient to install; by arranging the rigid ball, the direct friction between the magnetic impeller and the jack is reduced, the jack is prevented from becoming large and deep after being rubbed, and the service life is prolonged; the installation shell is clamped in the installation groove, and the Hall element is convenient to install.
[ description of the drawings ]
Fig. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a perspective view of the utility model in use;
fig. 4 is an exploded view of the usage state of the present invention.
[ detailed description ] embodiments
The invention will be described in further detail with reference to the following detailed description and accompanying drawings: as shown in fig. 1 to 4, a small flow water flow sensor, including hollow casing 1, casing 1 is cylindric, be equipped with both ends respectively and be equipped with inlet tube 2 and outlet pipe 3 that supply the bayonet joint to peg graft with casing 1 integrated into one piece on casing 1, inlet tube 2 and outlet pipe 3 are respectively at the both ends of casing 1 and radially extend, communicate in inlet tube 2 and the outlet pipe 3 and the casing 1, be equipped with the rotatable cartridge of first impeller mounting bracket 4 and one end magnetism impeller 5 on first impeller mounting bracket 4 in the casing 1, magnetism impeller 5 is formed by magnetic powder and plastics mixture, magnetism is effectual, be difficult to the demagnetization. Water flows into the water inlet pipe 2, passes through the magnetic impeller 5 and flows out of the water outlet pipe 3, and the water flows drive the magnetic impeller 5 to rotate. The Hall element 6 for inducing the magnetic impeller 5 is arranged outside the shell 1, the magnetic impeller 5 is adjacent to the Hall element 6, and the faster the magnetic impeller 5 rotates, the stronger the pulse signal induced by the Hall element 6. The insertion of inlet tube 2 has sleeve pipe 7, sleeve pipe 7's tip top is leaned on making on inlet tube 2's water inlet 21 behind sleeve pipe 7's tip and water inlet 21 peg graft in the bayonet joint with inlet tube 2, sleeve pipe 7's one end inserts completely in inlet tube 2, only the tip ring step of the sleeve pipe 7 other end presses outside water inlet 21, bayonet joint and rivers sensor in the drinking machine peg graft the back like this, inlet tube 2 and sleeve pipe 7 top are leaned on the end and are all at the bayonet joint, need not additionally set up the sealing washer again on casing 1 like this, and is convenient for installation, inlet tube 2 passes through ultrasonic welding with sleeve pipe 7 and fixes. The extending end of the casing 7 is provided with a second impeller mounting rack 8 for rotatably inserting the other end of the magnetic impeller 5, and two ends of a rotating shaft of the magnetic impeller 5 are respectively inserted on the first impeller mounting rack 4 and the second impeller mounting rack 8 in a relatively rotatable manner. The first impeller mounting frame 4 is provided with a jack 41 for inserting one end of the magnetic impeller 5, a rigid ball 42 for abutting against the insertion end of the magnetic impeller 5 is arranged in the jack 41, the rigid ball 42 can be a steel ball or other metal ball, and a rotating shaft of the magnetic impeller 5 directly abuts against the metal ball to rotate, so that the jack 41 is prevented from being deepened after friction. Casing 1 is equipped with mounting groove 11 outward, and the installation shell 12 that supplies hall element 6 to pack into is equipped with to the card in mounting groove 11, the hall element 6 installation of being convenient for, and the both ends of installation shell 12 are equipped with the elasticity clip 13 of detaining on mounting groove 11.
The connector comprises a plug-in shell 9 for inserting the water inlet pipe 2 and the water outlet pipe 3, a sealing ring 91 is arranged between the plug-in shell 9 and the water inlet pipe 2 and the water outlet pipe 3, an elastic clamping claw 92 which is sleeved and clamped outside the water inlet pipe 2 and the water outlet pipe 3 is arranged in the plug-in shell 9, and quick plug-in is realized through the elastic clamping claw 92.
Claims (7)
1. The utility model provides a little flow water sensor, includes cavity casing (1), casing (1) on be equipped with both ends and be equipped with respectively and supply inlet tube (2) and outlet pipe (3) that the bayonet joint was pegged graft with casing (1) integrated into one piece, inlet tube (2) and outlet pipe (3) and casing (1) in intercommunication, casing (1) in be equipped with first impeller mounting bracket (4) and the rotatable cartridge of one end magnetism impeller (5) on first impeller mounting bracket (4), casing (1) be equipped with the response outward hall element (6) of magnetism impeller (5), its characterized in that: the water inlet pipe is characterized in that a sleeve (7) is inserted into the water inlet pipe (2), the end part of the sleeve (7) abuts against the water inlet (21) of the water inlet pipe (2) to enable the end part of the sleeve (7) and the water inlet (21) to be in the plug-in connector after the plug-in connector is plugged with the water inlet pipe (2), and a second impeller mounting frame (8) for rotatably plugging the other end of the magnetic impeller (5) is arranged at the extending end of the sleeve (7).
2. A small flow water sensor as claimed in claim 1, wherein: the first impeller mounting frame (4) is provided with a jack (41) for inserting one end of the magnetic impeller (5), and a rigid ball (42) for abutting against the inserted end of the magnetic impeller (5) is arranged in the jack (41).
3. A small flow water sensor as claimed in claim 1, wherein: the Hall element mounting structure is characterized in that a mounting groove (11) is formed outside the shell (1), and a mounting shell (12) for mounting the Hall element (6) is clamped in the mounting groove (11).
4. A small flow water sensor as claimed in claim 3, wherein: and elastic clasps (13) buckled on the mounting grooves (11) are arranged at two ends of the mounting shell (12).
5. A small flow water sensor as claimed in claim 1, wherein: the magnetic impeller (5) is formed by mixing magnetic powder and plastic.
6. A small flow water sensor as claimed in claim 1, wherein: the plug connector comprises a plug shell (9) for inserting the water inlet pipe (2) and the water outlet pipe (3), a sealing ring (91) is arranged between the plug shell (9) and the water inlet pipe (2) and the water outlet pipe (3), and an elastic clamping claw (92) sleeved and clamped outside the water inlet pipe (2) and the water outlet pipe (3) is arranged in the plug shell (9).
7. A small flow water sensor as claimed in claim 1, wherein: the water inlet pipe (2) and the sleeve (7) are fixed through ultrasonic welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020029663.7U CN212180012U (en) | 2020-01-07 | 2020-01-07 | Small-flow water flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020029663.7U CN212180012U (en) | 2020-01-07 | 2020-01-07 | Small-flow water flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212180012U true CN212180012U (en) | 2020-12-18 |
Family
ID=73773994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020029663.7U Active CN212180012U (en) | 2020-01-07 | 2020-01-07 | Small-flow water flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212180012U (en) |
-
2020
- 2020-01-07 CN CN202020029663.7U patent/CN212180012U/en active Active
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