CN207687418U - Clamping-proof type inductive flow switchs - Google Patents
Clamping-proof type inductive flow switchs Download PDFInfo
- Publication number
- CN207687418U CN207687418U CN201721448611.8U CN201721448611U CN207687418U CN 207687418 U CN207687418 U CN 207687418U CN 201721448611 U CN201721448611 U CN 201721448611U CN 207687418 U CN207687418 U CN 207687418U
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- CN
- China
- Prior art keywords
- valves
- check
- valve seat
- clamping
- return valve
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model is related to a kind of clamping-proof type inductive flow switches, and solving the problems, such as the prior art, there are stuck, the technical solutions of use：Non-return valve seat including check-valves, with check-valves cooperation, it is characterized in that being lower guide type cooperation between the non-return valve seat and the check-valves, hall sensing switch and return unit are equipped between the non-return valve seat and the check-valves, the non-return valve seat moves upwards, and the hall sensing switch motion is made to send signal.Its technique effect：Change the guidance mode of valve body, only there is lower guiding, supreme guiding, magnet setting is on valve body top, even if magnet nearby adsorbs the impurity such as iron filings, will not under the influence of be oriented to, stuck probability greatly reduces.
Description
Technical field
The utility model is related to a kind of induction type flow switches more particularly to a kind of clamping-proof type inductive flow to switch.
Background technology
Common discharge inductive switch using magnet movement incude tongue tube, when magnet is close to tongue tube, signal connect or
Person disconnects, and passes through to judge whether there is flow, to control starting mode of pump or shutdown.Since sensing element is tongue tube, do
Reed pipe 8 needs more often to change tongue tube by mechanical action inductive signal there are mechanical life, increases repair and replacement expense；If
It is changed without tongue tube, then influences the service life of flow switch, increases the use cost of flow switch.
Moreover, the check-valves on general flow switch is by the way of upper guiding and lower guiding while guiding.Such as Fig. 5 and
Shown in 6, the guiding that is above directed between the endoporus 13 of check-valves upper end and 22 outer circle of pillar of non-return valve seat；Under be directed to non-return
Valve lower end 11（That is guide post）Guiding between outer circle and sealing 6 endoporus of copper sheathing.For upper guiding：Endoporus is arranged in magnet 5
In, the impurity such as iron filings can be adsorbed on magnet, and check-valves endoporus becomes smaller, and flow switch is caused to block.In addition, above being led using having
To positioning and lower guide-localization.It also increases and generates stuck probability.
Invention content
A kind of clamping-proof type induced flow is provided utility model aims to solve the above problem of the existing technology
Amount switch, changes the guidance mode of valve body, and only there is lower guiding, supreme guiding, magnet to be arranged on valve body top, even if magnet is attached
The impurity such as nearly absorption iron filings, will not under the influence of be oriented to, and decrease and be oriented to position, further decrease stuck probability,
Keep flow switch action smooth；Meanwhile tongue tube is substituted using Hall element, avoid tongue tube from there is asking for mechanical service life
Topic occurs, and avoids more preferable tongue tube, reduces maintenance cost, also improves the service life of flow switch.
What the above-mentioned technical purpose of the utility model mainly solved by the following technical programs：Clamping-proof type inductive flow is opened
It closes, including check-valves, the non-return valve seat with check-valves cooperation, it is characterised in that be between the check-valves and the non-return valve seat
Lower guide type cooperation, is equipped with hall sensing switch and return unit, the check-valves between the non-return valve seat and the check-valves
Seat movement, makes the hall sensing switch motion send signal.
The technical program changes the guidance mode of valve body, and only there is lower guiding, supreme guiding, magnet to be arranged on valve body
Portion, even if magnet nearby adsorbs the impurity such as iron filings, will not under the influence of be oriented to, stuck probability greatly reduces.And it decreases
It is oriented to position, further decreases stuck probability, keeps flow switch action smooth；Meanwhile tongue tube is substituted using Hall element,
It avoids the problem that tongue tube has mechanical service life and occurs, avoids more preferable tongue tube, reduce maintenance cost, also improve flow
The service life of switch.
As further improving and supplementing to above-mentioned technical proposal, the utility model uses following technical measures：It is described
Hall sensing switch includes that the Hall element in the non-return valve seat is arranged, upper magnet is arranged at the top of the check-valves；Institute
Check-valves lower part setting guide part is stated, the length that the guide part is assembled to form the position of guiding role is b；It is described when static
The distance between Hall element and the magnet are a, then the length of the guide part is more than or equal to：a+b.That is, flow
When switching work, under the action of fluid thrust, check-valves is pushed up, the endoporus of sealing copper sheathing of the guide part in the pump housing
In move upwards, while guide part with sealing copper sheathing（The size of b is equal to the length of sealing copper sheathing）Endoporus formed guiding role,
When Hall element senses the magnetic field of magnet, flow is generated by signal, to control starting mode of pump or shutdown.In order to make to lead
Good guiding role is formed to the endoporus of portion and sealing copper sheathing, guide part cannot be detached from the endoporus of sealing copper sheathing.Work as guide part
Development length in sealing copper sheathing lower end is slightly less than a, and can ensure not departing from sealing copper sheathing when guide part moves upwards
Endoporus is also feasible, but the more demanding precision of scheme in this way, therefore, development length of the guide part in sealing copper sheathing lower end
Scheme equal to or more than a is preferred version.
In order to facilitate setting Hall element, setting upper end has the accommodating chamber of opening, the non-return on the non-return valve seat
Valve seat closes the accommodating chamber with unification valve deck, for covering, and the Hall element is arranged in the accommodating chamber.In order to improve Hall
The ability of element senses signal, Hall element are positioned close to accommodating chamber bottom position as possible.
The return unit is spring, and spring base is arranged in the check-valves top, and the spring upper end is contradicted in the non-return
On valve seat lower wall, lower end is mounted on the spring base.
The magnet is arranged at the top of the spring base.
The guide part includes circumferentially disposed three guide posts, and three guide posts are integrated knot with the check-valves
Structure.It when check-valves is acted on by fluid thrust, moves upwards, can then form runner between check-valves and sealing copper sheathing, make stream
Body passes through check-valves.
Since the length of guide post is comparatively longer, in order to improve the intensity of guide post, prevent guide post to center side
To bending, good guiding role can be formed, reinforcing ring, the guide post and reinforcement is arranged in the lower end of three guide posts
Ring is structure as a whole.
The utility model has the advantage that：1, change valve body guidance mode, only have lower guiding, supreme guiding,
Magnet setting is on valve body top, even if magnet nearby adsorbs the impurity such as iron filings, will not under the influence of be oriented to, stuck probability subtracts significantly
It is small.2, it decreases and is oriented to position, further decrease stuck probability, keep flow switch action smooth.3, using Hall element
Tongue tube is substituted, avoids the problem that tongue tube has mechanical service life and occurs, avoids more preferable tongue tube, reduce maintenance cost,
Also improve the service life of flow switch.4, guide post at least has the surplus of distance between magnet and Hall element, convenient
Guide post plays guiding role, and can push magnet and remove induction Hall element.5, it in order to improve the intensity of guide post, prevents
Guide post is bent to center position, can form good guiding role, and reinforcing ring is arranged in the lower end of three guide posts.
Description of the drawings
Fig. 1 be the utility model is related to a kind of schematic cross-sectional view.
Fig. 2 is a kind of dimensional structure diagram of Fig. 1.
Fig. 3 is a kind of schematic cross-sectional view that the utility model is applied to pump.
Fig. 4 is the partial structural diagram of Fig. 3.
Fig. 5 be the utility model is related to a kind of prior art structural schematic diagram.
Fig. 6 is the partial structural diagram of Fig. 5.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：It is described picture 1-4, clamping-proof type inductive flow switch, including check-valves 1, the non-return with check-valves cooperation
Valve seat 2, is the cooperation of lower guide type between the check-valves 1 and the non-return valve seat 2, the non-return valve seat and the check-valves it
Between be equipped with hall sensing switch and return unit 3, when the non-return valve seat 2 moves, the hall sensing switch motion is made to send letter
Number.As shown in Figs 1-4, the return unit 3 is spring（The component of other certain effects equivalents is also feasible）, the check-valves
Spring base 12 is arranged in 1 top, and the spring upper end contradicts on the non-return valve seat lower wall, and lower end is mounted on the spring base 12
On.
The technical program changes the guidance mode of valve body, and only there is lower guiding, supreme guiding, magnet to be arranged on valve body
Portion, even if magnet nearby adsorbs the impurity such as iron filings, will not under the influence of be oriented to, stuck probability greatly reduces.And it decreases
It is oriented to position（At least there is upper guiding position and lower guiding position in relevant art, only have lower guide part in the technical program
Position）, stuck probability is further decreased, keeps flow switch action smooth；Meanwhile tongue tube is substituted using Hall element, it avoids
Tongue tube has that mechanical service life occurs, and avoids more preferable tongue tube, reduces maintenance cost, also improves flow switch
Service life.
Further illustrate above-mentioned technical proposal：
The hall sensing switch includes the Hall element 4 being arranged in the non-return valve seat 2, is arranged in the check-valves
Upper magnet 5 at the top of 1；Guide part 11 is arranged in the check-valves lower part, and the guide part 11 is assembled to form guiding with sealing copper sheathing 6 and makees
The length of position 11-1 is b；When static, the distance between the Hall element 4 and the magnet 5 are a, then the guiding
The length in portion 11 is more than or equal to：a+b.
That is, when flow switch works, under the action of fluid thrust, check-valves is pushed up, guide part 11
It is moved upwards in the endoporus of sealing copper sheathing 6 in the pump housing, while guide part and sealing copper sheathing（The size of b is equal to sealing copper sheathing
Length）Endoporus form guiding role, when Hall element 4 senses the magnetic field of magnet 5, generate flow by signal, from
And control starting mode of pump or shutdown.In order to make guide part 11 form good guiding role, guide part with the endoporus for sealing copper sheathing 6
11 cannot be detached from the endoporus of sealing copper sheathing.When development length of the guide part 11 in sealing copper sheathing 6 lower end is slightly less than a, and can
Ensure that it is also feasible that the endoporus of sealing copper sheathing is not departed from when guide part moves upwards, but the more demanding essence of scheme in this way
Degree, therefore, development length scheme equal to or more than a of the guide part in sealing copper sheathing lower end is preferred version.
In order to facilitate setting Hall element 5, setting upper end has the accommodating chamber 21 of opening on the non-return valve seat, described to stop
Valve seat is returned with unification valve deck 7, closes the accommodating chamber 21 for covering, the Hall element 5 is arranged in the accommodating chamber 21.In order to
The ability of 4 inductive signal of Hall element is improved, Hall element 4 is positioned close to accommodating chamber bottom position as possible.The magnet 5 is then
Setting is at 12 top of the spring base.When check-valves moves, Hall element 4 can sense signal in time.
The guide part 11 includes circumferentially disposed three guide posts, and three guide posts are integrated knot with the check-valves
Structure.It when check-valves is acted on by fluid thrust, moves upwards, can then form runner between check-valves and sealing copper sheathing, make stream
Body passes through check-valves.
Since the length of guide post is comparatively longer, in order to improve the intensity of guide post, prevent guide post to center side
To bending, good guiding role can be formed, the lower ends of three guide posts is arranged reinforcing ring 13, the guide post and plus
Strong ring is structure as a whole.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model.Above-mentioned
In embodiment, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, made by
Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this utility model.
Claims (7)
1. clamping-proof type inductive flow switchs, including check-valves, the non-return valve seat with check-valves cooperation, it is characterised in that the non-return
It is lower guide type cooperation between valve seat and the check-valves, is opened equipped with hall sensing between the non-return valve seat and the check-valves
It closes and return unit, the non-return valve seat moves upwards, the hall sensing switch motion is made to send signal.
2. clamping-proof type inductive flow switch according to claim 1, it is characterised in that the hall sensing switch includes setting
It sets the Hall element in the non-return valve seat, upper magnet is set at the top of the check-valves；The check-valves lower part setting is led
To portion, the length that the guide part is assembled to form the position of guiding role is b；When static, the Hall element and the magnet
The distance between be a, then the length of the guide part be more than or equal to：a+b.
3. clamping-proof type inductive flow switch according to claim 2, it is characterised in that upper end is arranged on the non-return valve seat
Accommodating chamber with opening, the non-return valve seat close the accommodating chamber with unification valve deck, for covering, and the Hall element setting exists
In the accommodating chamber.
4. clamping-proof type inductive flow switch according to claim 2 or 3, it is characterised in that the return unit is spring, institute
Check-valves top setting spring base is stated, the spring upper end contradicts on the non-return valve seat lower wall, and lower end is mounted on the bullet
On spring abutment.
5. clamping-proof type inductive flow switch according to claim 4, it is characterised in that the magnet is arranged in the spring
Seat top.
6. clamping-proof type inductive flow switch according to claim 5, it is characterised in that the guide part includes circumferentially disposed
Three guide posts, three guide posts are structure as a whole with the check-valves.
7. clamping-proof type inductive flow switch according to claim 6, it is characterised in that the lower end of three guide posts is set
Reinforcing ring is set, the guide post and reinforcing ring are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721448611.8U CN207687418U (en) | 2017-11-02 | 2017-11-02 | Clamping-proof type inductive flow switchs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721448611.8U CN207687418U (en) | 2017-11-02 | 2017-11-02 | Clamping-proof type inductive flow switchs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687418U true CN207687418U (en) | 2018-08-03 |
Family
ID=62989580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721448611.8U Withdrawn - After Issue CN207687418U (en) | 2017-11-02 | 2017-11-02 | Clamping-proof type inductive flow switchs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763256A (en) * | 2017-11-02 | 2018-03-06 | 新界泵业集团股份有限公司 | Clamping-proof type inductive flow switchs |
-
2017
- 2017-11-02 CN CN201721448611.8U patent/CN207687418U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763256A (en) * | 2017-11-02 | 2018-03-06 | 新界泵业集团股份有限公司 | Clamping-proof type inductive flow switchs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180803 Effective date of abandoning: 20190203 |
|
| AV01 | Patent right actively abandoned |