CN204730894U - Flow sensor - Google Patents
Flow sensor Download PDFInfo
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- CN204730894U CN204730894U CN201520457120.4U CN201520457120U CN204730894U CN 204730894 U CN204730894 U CN 204730894U CN 201520457120 U CN201520457120 U CN 201520457120U CN 204730894 U CN204730894 U CN 204730894U
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- return valve
- magnet ring
- flow sensor
- guide part
- high magnetic
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Abstract
The utility model provides a kind of flow sensor, belongs to water pump control technology field.It solve the problem that the design of existing flow sensor arrangement is unreasonable, serviceable life is short.This flow sensor, comprise sensor holder and non-return valve, the downside of sensor holder has the guide part to downward-extension, non-return valve is sheathed on guide part and also can moves up and down along guide part, tongue tube and wiring board is provided with in guide part, non-return valve is provided with magnet ring, the spring for making non-return valve reset after non-return valve rises to certain position is provided with between sensor holder and non-return valve, non-return valve is provided with the high magnetic conduction iron hoop for cutting off the magnetic line of force that magnet ring outer ring produces, and non-return valve is also provided with the disconnecting prevention structure for preventing magnet ring and high magnetic conduction iron hoop from coming off.The utility model has the advantage such as reasonable in design, long service life.
Description
Technical field
The utility model belongs to water pump control technology field, relates to a kind of flow sensor.
Background technology
That sells in the market forms primarily of non-return valve, flow sensor seat, magnet ring, tongue tube and O-ring seal for the flow sensor controlling water pump start and stop, flow sensor seat is by being screwed on pump body water outlet, non-return valve is placed in the pump housing, current are through the pump housing, non-return valve can move up and down, in non-return valve, magnet ring is installed, flow sensor seat is provided with tongue tube, during pump working, non-return valve moves up, magnet ring and tongue tube are responded to, tongue tube action, realize the automatic control to water pump.
Although the flow sensor that market is sold can to automatic pump, but in Long-Time Service process, because its structural design is comparatively short of, iron sand in current can under the magneticaction of magnet ring, slowly be deposited on the outer wall of non-return valve, cause the magnetic of magnet ring to weaken, check-valve spring time serious, can be caused stuck, cause whole flow sensor disabler, water pump cannot normally work.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes the flow sensor of a kind of reasonable in design, long service life.
The purpose of this utility model realizes by following technical proposal:
This flow sensor, comprise sensor holder and non-return valve, the downside of described sensor holder has the guide part to downward-extension, non-return valve is sheathed on guide part and also can moves up and down along guide part, tongue tube and wiring board is provided with in described guide part, described non-return valve is provided with magnet ring, the spring for making non-return valve reset after non-return valve rises to certain position is provided with between described sensor holder and non-return valve, it is characterized in that, described non-return valve is provided with the high magnetic conduction iron hoop for cutting off the magnetic line of force that magnet ring outer ring produces, described non-return valve is also provided with the disconnecting prevention structure for preventing magnet ring and high magnetic conduction iron hoop from coming off.
In above-mentioned flow sensor, in the form of a ring and be sheathed on the outside of magnet ring, the axial length of described high magnetic conduction iron hoop is greater than the axial length of magnet ring to described high magnetic conduction iron hoop.
In above-mentioned flow sensor, described disconnecting prevention structure comprise be located on non-return valve for installing the annular mounting groove one of magnet ring and the annular mounting groove two for installing high magnetic conduction iron hoop, the upper end of described non-return valve is provided with the plug for limiting magnet ring and the axially-movable of high magnetic conduction iron hoop.
In above-mentioned flow sensor, described non-return valve also has the mounting groove three for installing plug, the upper end of described mounting groove one and mounting groove two and mounting groove tee joint.Magnet ring is installed in mounting groove one, and high magnetic conduction iron hoop is installed in mounting groove two, and plug is installed with in mounting groove three, after installing, the upper end of magnet ring and high magnetic conduction iron hoop is resisted against on plug, under the effect of this plug and non-return valve, prevents magnet ring and high magnetic conduction iron hoop from moving.
In above-mentioned flow sensor, the downside of described sensor holder also has the annular connecting portion for being connected with pump body, and the outside of described connecting portion has external thread, and described connecting portion is in the outside of above-mentioned guide part and coaxially arrange with guide part.
In above-mentioned flow sensor, between described sensor holder and connecting portion, be provided with O-ring seal one.
In above-mentioned flow sensor, the lower end of described non-return valve is provided with head, and the lower end abutment of above-mentioned spring is on head, and its upper end is resisted against on sensor holder.
In above-mentioned flow sensor, described head is provided with O-ring seal two.
In use, sensor holder is threadedly connected to the water outlet of pump body by connecting portion, non-return valve is as in the pump housing, water pump is started working and water swivel in pipeline is in open mode time, the head of non-return valve drives non-return valve to move up along guide part under the effect of current, the magnet ring be located on non-return valve also moves up together, now spring-compressed, when magnet ring is moved upwards up to certain position, tongue tube and magnet ring are responded to, the contact adhesive of tongue tube, signal passes to pressure controller by wiring board, ensures that water pump is in running status always.When in pipeline water swivel close or pipeline lack of water time; non-return valve under the effect of self gravitation and spring to bottom offset; tongue tube and magnet ring disconnect to be responded to; the contact of tongue tube disconnects; pressure controller controls water pump auto stop according to the signal of tongue tube; non-return valve, under the effect of head and O-ring seal two, prevents refluence and the leakage of water in pipeline.
Compared with prior art, this flow sensor has the following advantages:
This flow sensor is by installing high magnetic conduction iron hoop at the outer ring place of magnet ring, the magnetic line of force that magnet ring outer ring produces can be cut off, the sidewall that non-return valve corresponds to magnet ring will lose magnetism, can effectively prevent the sand of the iron in water source from piling up at non-return valve outer wall, also spring can be avoided stuck, effectively extend the serviceable life of this flow sensor.
Accompanying drawing explanation
Fig. 1 is the cut-open view of a kind of preferred embodiment that the utility model provides.
Fig. 2 is the cut-open view of the non-return valve that the utility model provides.
In figure, 1, sensor holder; 11, guide part; 12, connecting portion; 2, non-return valve; 21, mounting groove one; 22, mounting groove two; 23, mounting groove three; 24, head; 3, tongue tube; 4, wiring board; 5, magnet ring; 6, spring; 7, high magnetic conduction iron hoop; 8, plug; 91, O-ring seal one; 92, O-ring seal two.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this flow sensor, comprises sensor holder 1 and non-return valve 2, and the downside of sensor holder 1 has the guide part 11 to downward-extension, non-return valve 2 is sheathed on guide part 11 and also can moves up and down along guide part 11, is provided with tongue tube 3 and wiring board 4 in guide part 11.As shown in Figure 1, non-return valve 2 is provided with magnet ring 5, the spring 6 for making non-return valve 2 reset after non-return valve 2 rises to certain position is provided with between sensor holder 1 and non-return valve 2, non-return valve 2 being provided with the high magnetic conduction iron hoop 7 for cutting off the magnetic line of force that magnet ring 5 outer ring produces, non-return valve 2 being also provided with the disconnecting prevention structure for preventing magnet ring 5 and high magnetic conduction iron hoop 7 from coming off.
In the present embodiment, in the form of a ring and be sheathed on the outside of magnet ring 5, the axial length of high magnetic conduction iron hoop 7 is greater than the axial length of magnet ring 5 to high magnetic conduction iron hoop 7.
As shown in Figure 2, disconnecting prevention structure comprise be located on non-return valve 2 for installing the annular mounting groove 1 of magnet ring 5 and the annular mounting groove 2 22 for installing high magnetic conduction iron hoop 7, as shown in Figure 1, the upper end of non-return valve 2 is provided with the plug 8 for limiting magnet ring 5 and the axially-movable of high magnetic conduction iron hoop 7, as shown in Figure 2, non-return valve 2 also has the mounting groove 3 23 for installing plug 8, mounting groove 1 is communicated with mounting groove 3 23 with the upper end of mounting groove 2 22.Magnet ring 5 is installed in mounting groove 1, high magnetic conduction iron hoop 7 is installed in mounting groove 2 22, plug 8 is installed with in mounting groove 3 23, after installing, magnet ring 5 is resisted against on plug 8 with the upper end of high magnetic conduction iron hoop 7, at this plug 8 with under the effect of non-return valve 2, prevent magnet ring 5 and high magnetic conduction iron hoop 7 from moving.
As shown in Figure 1, the downside of sensor holder 1 also has the annular connecting portion 12 for being connected with pump body, the outside of connecting portion 12 has external thread, and connecting portion 12 is positioned at the outside of guide part 11 and coaxially arranges with guide part 11, is provided with O-ring seal 1 between sensor holder 1 and connecting portion 12.
As shown in Figure 1, the lower end of non-return valve 2 is provided with head 24, and the lower end abutment of spring 6 is on head 24, and its upper end is resisted against on sensor holder 1, and head 24 is provided with O-ring seal 2 92.
In use, sensor holder 1 is threadedly connected to the water outlet of pump body by connecting portion 12, non-return valve 2 is as in the pump housing, water pump is started working and water swivel in pipeline is in open mode time, the head 24 of non-return valve 2 drives non-return valve 2 to move up along guide part 11 under the effect of current, the magnet ring 5 be located on non-return valve 2 also moves up together, now spring 6 compresses, when magnet ring 5 is moved upwards up to certain position, tongue tube 3 and magnet ring 5 are responded to, the contact adhesive of tongue tube 3, signal passes to pressure controller by wiring board 4, ensure that water pump is in running status always.When in pipeline water swivel close or pipeline lack of water time; non-return valve 2 under the effect of self gravitation and spring 6 to bottom offset; tongue tube 3 and magnet ring 5 disconnect to be responded to; the contact of tongue tube 3 disconnects; pressure controller controls water pump auto stop according to the signal of tongue tube 3; non-return valve 2 with under the effect of O-ring seal 2 92, prevents refluence and the leakage of water in pipeline at head 24.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (8)
1. a flow sensor, comprise sensor holder (1) and non-return valve (2), the downside of described sensor holder (1) has the guide part (11) to downward-extension, non-return valve (2) is sheathed on guide part (11) and above also can moves up and down along guide part (11), tongue tube (3) and wiring board (4) is provided with in described guide part (11), described non-return valve (2) is provided with magnet ring (5), the spring (6) for making non-return valve (2) reset after non-return valve (2) rises to certain position is provided with between described sensor holder (1) and non-return valve (2), it is characterized in that, described non-return valve (2) is provided with the high magnetic conduction iron hoop (7) for cutting off the magnetic line of force that magnet ring (5) outer ring produces, described non-return valve (2) is also provided with the disconnecting prevention structure for preventing magnet ring (5) and high magnetic conduction iron hoop (7) from coming off.
2. flow sensor according to claim 1, is characterized in that, in the form of a ring and be sheathed on the outside of magnet ring (5), the axial length of described high magnetic conduction iron hoop (7) is greater than the axial length of magnet ring (5) to described high magnetic conduction iron hoop (7).
3. flow sensor according to claim 2, it is characterized in that, described disconnecting prevention structure comprise be located on non-return valve (2) for installing the annular mounting groove one (21) of magnet ring (5) and the annular mounting groove two (22) for installing high magnetic conduction iron hoop (7), the upper end of described non-return valve (2) is provided with the plug (8) for limiting magnet ring (5) and the axially-movable of high magnetic conduction iron hoop (7).
4. flow sensor according to claim 3, it is characterized in that, described non-return valve (2) also has the mounting groove three (23) for installing plug (8), described mounting groove one (21) is communicated with mounting groove three (23) with the upper end of mounting groove two (22).
5. the flow sensor according to claim 1 or 2 or 3 or 4, it is characterized in that, the downside of described sensor holder (1) also has the annular connecting portion (12) for being connected with pump body, the outside of described connecting portion (12) has external thread, and described connecting portion (12) is positioned at the outside of above-mentioned guide part (11) and coaxially arranges with guide part (11).
6. flow sensor according to claim 5, is characterized in that, is provided with O-ring seal one (91) between described sensor holder (1) and connecting portion (12).
7. the flow sensor according to claim 1 or 2 or 3 or 4, it is characterized in that, the lower end of described non-return valve (2) is provided with head (24), the lower end abutment of above-mentioned spring (6) is on head (24), and its upper end is resisted against on sensor holder (1).
8. flow sensor according to claim 7, is characterized in that, described head (24) is provided with O-ring seal two (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457120.4U CN204730894U (en) | 2015-06-30 | 2015-06-30 | Flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457120.4U CN204730894U (en) | 2015-06-30 | 2015-06-30 | Flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204730894U true CN204730894U (en) | 2015-10-28 |
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ID=54389235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520457120.4U Active CN204730894U (en) | 2015-06-30 | 2015-06-30 | Flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204730894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506201A (en) * | 2018-06-13 | 2018-09-07 | 合肥新沪屏蔽泵有限公司 | Flow controller and the pump housing including the controller |
| CN116892983A (en) * | 2023-09-11 | 2023-10-17 | 中交第一航务工程勘察设计院有限公司 | Water flow direction and flow velocity measuring device and measuring method |
-
2015
- 2015-06-30 CN CN201520457120.4U patent/CN204730894U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506201A (en) * | 2018-06-13 | 2018-09-07 | 合肥新沪屏蔽泵有限公司 | Flow controller and the pump housing including the controller |
| CN108506201B (en) * | 2018-06-13 | 2023-12-01 | 合肥新沪屏蔽泵有限公司 | Flow controller and pump body comprising same |
| CN116892983A (en) * | 2023-09-11 | 2023-10-17 | 中交第一航务工程勘察设计院有限公司 | Water flow direction and flow velocity measuring device and measuring method |
| CN116892983B (en) * | 2023-09-11 | 2023-11-14 | 中交第一航务工程勘察设计院有限公司 | Water flow direction and flow velocity measuring device and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Wenling City, Taizhou City, Zhejiang province 317511 industrial town southeast of loose accumulation Patentee after: TAIZHOU YAODA INDUSTRY & TRADE CO., LTD. Address before: Wenling City, Taizhou City, Zhejiang province 317511 industrial town southeast of loose accumulation Patentee before: Taizhou Yaoda Trade Co., Ltd. |