CN208721167U - A kind of novel turbine type flow sensor - Google Patents
A kind of novel turbine type flow sensor Download PDFInfo
- Publication number
- CN208721167U CN208721167U CN201821420377.2U CN201821420377U CN208721167U CN 208721167 U CN208721167 U CN 208721167U CN 201821420377 U CN201821420377 U CN 201821420377U CN 208721167 U CN208721167 U CN 208721167U
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- shaft sleeve
- ring
- hall
- impeller
- flow sensor
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Abstract
A kind of novel turbine type flow sensor, including shell, Hall circuit board, cover board, dead axle, impeller, magnet ring, positioning retainer ring, baffle and retaining ring, shell include the magnet ring chamber positioned at lower part, the connector portions around magnet ring chamber and the Hall chamber for being located at top；Impeller is equipped with the axis hole along axis and the axle sleeve positioned at one end, and magnet ring is fixed on axle sleeve；Dead axle is fixedly connected with the top plate of magnet ring chamber, and the lower part of dead axle and wheel rotation cooperate, and retaining ring and baffle are located at the lower end of dead axle, and baffle and impeller cooperate；Hall circuit board is located at that Hall is intracavitary, the top opening of cover closure Hall chamber；It is characterized by also including shaft sleeve made of ceramic material or special, wear-resistant engineering material, shaft sleeve and it is located in the counterbore of axis hole lower end of impeller；Shaft sleeve and fixed-axis rotation cooperate.The setting of shaft sleeve made of ceramic material or special, wear-resistant engineering material, shaft sleeve and dead axle precise match rotate, and reduce noise, extend service life.
Description
Technical field
The utility model relates to a kind of water flow sensing units.
Background technique
Currently available technology, turbine type water flow sensor are that industry uses commonplace flow measurement device at present,
Mainly it is made of impeller, the magnet ring with multipair magnetic pole or magnetic stripe, Hall element and shell etc..Pass through the powered leaf of fluid
The rotation of wheel is detected the variation of pulse signal by the Hall element being fixed on shell so that magnet rotor be driven to rotate, from
And uninterrupted is converted into the electric signal of control circuit needs.Between design cooperation between the impeller and fixing axle or set of rotation
Gap size can both generate noise, also be influenced by the impurity in outside liquid medium, and it is existing rotation clamping stagnation or noise increase etc. occur
As causing flow detection drift and comfort level to reduce after long term wear.
Utility model content
The purpose of this utility model is: a kind of novel turbine type flow sensor is provided, it have it is wear-resistant, noise is small,
The characteristics of long service life.
The utility model is realized in this way: a kind of novel turbine type flow sensor, including shell, Hall circuit board,
Cover board, dead axle, impeller, magnet ring, positioning retainer ring, baffle and retaining ring, shell include positioned at the magnet ring chamber of lower part, around magnet ring chamber
Connector portions and the Hall chamber for being located at top；Impeller is equipped with the axis hole along axis and the axle sleeve positioned at one end, and magnet ring is fixed on axle sleeve
On；Dead axle is fixedly connected with the top plate of magnet ring chamber, and the lower part of dead axle and wheel rotation cooperate, and retaining ring and baffle are located under dead axle
End, baffle and impeller cooperate；Hall circuit board is located at that Hall is intracavitary, the top opening of cover closure Hall chamber；Its special character exists
In: it further include shaft sleeve made of ceramic material or special, wear-resistant engineering material, shaft sleeve and the axis hole lower end that is located at impeller
In counterbore；Shaft sleeve and fixed-axis rotation cooperate.
It is described heavy to be characterized in that the shaft sleeve is embedded in for a kind of novel turbine type flow sensor
In hole or the shaft sleeve is fixed together with counterbore hot melt or shaft sleeve is interference fitted with counterbore.
A kind of novel turbine type flow sensor, is characterized in that the connector portions of the shell are equipped with
Neck and fixing head, the diameter of fixing head are less than the diameter of neck；
It further include sealing ring and positioning ring, sealing ring is located on neck, and positioning ring cooperates with fixing head protects sealing ring
It holds on neck.
A kind of novel turbine type flow sensor is characterized in that the fixing head is equipped with clasp
With guiding grafting planar portions, clasp setting alternate with guiding grafting planar portions；
The axial end face of the positioning ring is equipped with button bit, is equipped with plane in centre bore；
Fixing head is inserted into the centre bore of positioning ring, and clasp and button bit fasten, and guiding grafting planar portions are bonded with plane.
A kind of novel turbine type flow sensor, is characterized in that the clasp and grafting planar section
There are not two；The positioning ring is equipped with two button bits, and centre bore is equipped with two planes；
The end face of positioning ring is equipped with two parallel grooves, and groove is parallel with the plane on centre bore.
A kind of novel turbine type flow sensor, is characterized in that the positioning ring and fixing head mistake
It is full of cooperation.
A kind of novel turbine type flow sensor is characterized in that the shell is equipped with and is located at one
The top walls panels of the inserting groove of the radial opening of diameter line two sides, inserting groove are made of square block.
A kind of novel turbine type flow sensor of the utility model, due to using such structure, ceramic material or special type
The setting of shaft sleeve made of wear-resisting engineering material, shaft sleeve and dead axle precise match rotate, and reduce noise, extend use
Service life.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model.
Fig. 2 is the perspective view of the utility model.
Fig. 3 is one of stereogram exploded view of the utility model.
Fig. 4 is the two of the stereogram exploded view of the utility model.
Fig. 5 is the cross-sectional view of the utility model use state.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
As shown in Figure 1, a kind of novel turbine type flow sensor, including shell 1, Hall circuit board 2, cover board 3, dead axle 4,
Impeller 5, magnet ring 6, positioning retainer ring 7, baffle 81 and retaining ring 82, shell 1 include positioned at the magnet ring chamber 11 of lower part, around magnet ring chamber
Connector portions 12 and the Hall chamber 13 for being located at top；Impeller 5 is equipped with the axis hole along axis and the axle sleeve positioned at one end 51, and magnet ring 6 is logical
Positioning retainer ring 7 is crossed to be fixed on axle sleeve 51；Dead axle 4 is integrally fixedly connected with the top plate of magnet ring chamber 11, the lower part of dead axle 4 and impeller
5 are rotatably assorted, and retaining ring 82 and baffle 81 are located at the lower end of dead axle 4, and baffle 81 and impeller 5 cooperate；Hall circuit board 2 is located at Hall
In chamber 13, cover board 3 closes the top opening of Hall chamber 13.It further include that ceramic material is made or the shaft sleeve of special, wear-resistant engineering material
9, shaft sleeve 9 in the counterbore 52 of the axis hole lower end that is located at impeller 51；Shaft sleeve 9 is rotatably assorted with dead axle 4.
The shaft sleeve 9 is embedded in the counterbore 52；
Or the shaft sleeve 9 is fixed together with the hot melt of counterbore 52 or shaft sleeve 9 is interference fitted with counterbore 52.
As further improvement of the utility model: the connector portions 12 are equipped with neck 121 and fixing head 122, Gu
The diameter for determining head 122 is less than the diameter of neck 121；
It further include sealing ring 10 and positioning ring 14, sealing ring 10 is located on neck 121, positioning ring 14 and fixing head 122
Sealing ring 10 is maintained on neck 121 by cooperation；
The fixing head 122 is equipped with clasp 123 and guiding grafting planar portions 124, clasp 123 and guiding grafting plane
The alternate setting in portion 124；
The axial end face of the positioning ring 14 is equipped with button bit 141, is equipped with plane 142 in the centre bore of positioning ring 14；
Fixing head 122 is inserted into the centre bore of positioning ring 14, and clasp 123 and button bit 141 fasten, and is oriented to grafting planar portions
124 are bonded with plane 142；Positioning cup is bonded with the end face of neck.It is easy to assembly using such structure, moreover it is possible to prevent from positioning
Ring 14 is moved axially along fixing head 122, and is rotated on fixing head.
The clasp 123 and guiding grafting planar portions 124 have two respectively；The positioning ring 14 is equipped with two button bits 141,
Centre bore is equipped with two planes 142；
The end face of positioning ring 14 is equipped with two parallel grooves 143, the plane on groove 143 and 14 centre bore of positioning ring
142 is parallel.
The positioning ring 14 is interference fitted with fixing head 122.
The shell 1 is equipped with the inserting groove 15 of the radial opening positioned at a diameter line two sides, the roof of inserting groove 15
Plate is made of square block 151.
In Fig. 5, shell 16, impeller cavity 161, grafting chamber 162, connecting cavity 163, shell 16 are equipped with and communicate with impeller cavity
Water inlet interface and water outlet mouthpiece；
When the utility model is used, impeller 5 is located in impeller cavity 161, connector portions 12 are inserted into grafting chamber 162, sealing
Circle 10 is fitted close with grafting chamber 162, and 163 wall of connecting cavity that the bar portion 17 of U-shaped pin passes through shell 16 has on pin hole and shell 1
Inserting groove 15.When disassembly, first U-shaped pin is dismantled, then square block 151 is acted on tool and takes out.
Above-described is only the preferred embodiments of the utility model.It should be pointed out that for the common of this field
For technical staff, in the case where not departing from the utility model principle, it can also make several improvements and modification, this is also considered as
The protection scope of the utility model.
Claims (7)
1. a kind of novel turbine type flow sensor, including shell, Hall circuit board, cover board, dead axle, impeller, magnet ring, positioning gear
Circle, baffle and retaining ring, shell include the magnet ring chamber positioned at lower part, the connector portions around magnet ring chamber and the Hall chamber for being located at top；
Impeller is equipped with the axis hole along axis and the axle sleeve positioned at one end, and magnet ring is fixed on axle sleeve；The top plate of dead axle and magnet ring chamber is fixed
Connection, the lower part of dead axle and wheel rotation cooperation, retaining ring and baffle are located at the lower end of dead axle, and baffle and impeller cooperate；Hall line
Road plate is located at that Hall is intracavitary, the top opening of cover closure Hall chamber；It is characterized by also including ceramic material or special, wear-resistant works
Shaft sleeve made of journey material, shaft sleeve and is located in the counterbore of axis hole lower end of impeller；Shaft sleeve and fixed-axis rotation cooperate.
2. a kind of novel turbine type flow sensor according to claim 1, it is characterised in that: the shaft sleeve is embedded in
In the counterbore or the shaft sleeve is fixed together with counterbore hot melt or shaft sleeve is interference fitted with counterbore.
3. a kind of novel turbine type flow sensor according to claim 1 or 2, it is characterised in that: the shell connects
Head is equipped with neck and fixing head, and the diameter of fixing head is less than the diameter of neck；
It further include sealing ring and positioning ring, sealing ring is located on neck, and positioning ring cooperates with fixing head is maintained at sealing ring
On neck.
4. a kind of novel turbine type flow sensor according to claim 3, it is characterised in that: set on the fixing head
There are clasp and guiding grafting planar portions, clasp setting alternate with guiding grafting planar portions；
The axial end face of the positioning ring is equipped with button bit, is equipped with plane in centre bore；
Fixing head is inserted into the centre bore of positioning ring, and clasp and button bit fasten, and guiding grafting planar portions are bonded with plane.
5. a kind of novel turbine type flow sensor according to claim 4, it is characterised in that: the clasp and grafting are flat
Face has two respectively；The positioning ring is equipped with two button bits, and centre bore is equipped with two planes；
The end face of positioning ring is equipped with two parallel grooves, and groove is parallel with the plane on centre bore.
6. a kind of novel turbine type flow sensor according to claim 3, it is characterised in that: the positioning ring and fixation
Head interference fit.
7. a kind of novel turbine type flow sensor according to claim 1, it is characterised in that: the shell is equipped with position
It is made of in the top walls panels of the inserting groove of the radial opening of a diameter line two sides, inserting groove square block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821420377.2U CN208721167U (en) | 2018-08-30 | 2018-08-30 | A kind of novel turbine type flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821420377.2U CN208721167U (en) | 2018-08-30 | 2018-08-30 | A kind of novel turbine type flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208721167U true CN208721167U (en) | 2019-04-09 |
Family
ID=65980465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821420377.2U Active CN208721167U (en) | 2018-08-30 | 2018-08-30 | A kind of novel turbine type flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208721167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614348A (en) * | 2020-04-20 | 2020-09-01 | 中山市博安泰电器科技有限公司 | Hall switch with electricity-proof wall |
| CN112555088A (en) * | 2020-09-07 | 2021-03-26 | 金华市捷欣智能科技有限公司 | Miniature water flow generator |
-
2018
- 2018-08-30 CN CN201821420377.2U patent/CN208721167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614348A (en) * | 2020-04-20 | 2020-09-01 | 中山市博安泰电器科技有限公司 | Hall switch with electricity-proof wall |
| CN112555088A (en) * | 2020-09-07 | 2021-03-26 | 金华市捷欣智能科技有限公司 | Miniature water flow generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220927 Address after: Room 10-12, 16th Floor, North Building, Block C, No. 2, Xueyuan South Road, Haidian District, Beijing 100000 Patentee after: GRUNDFOS (CHINA) HOLDING Co.,Ltd. Address before: 528425 2nd floor, building 1, 99 Tongle Industrial Avenue, Dongfeng Town, Zhongshan City, Guangdong Province Patentee before: GUANGDONG LINGMU INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221009 Address after: 528425 2nd floor, building 1, 99 Tongle Industrial Avenue, Dongfeng Town, Zhongshan City, Guangdong Province Patentee after: GUANGDONG LINGMU INTELLIGENT TECHNOLOGY Co.,Ltd. Patentee after: GRUNDFOS (CHINA) HOLDING Co.,Ltd. Address before: Room 10-12, 16th Floor, North Building, Block C, No. 2, Xueyuan South Road, Haidian District, Beijing 100000 Patentee before: GRUNDFOS (CHINA) HOLDING Co.,Ltd. |