CN205564637U - Anti -sticking type flow switch - Google Patents
Anti -sticking type flow switch Download PDFInfo
- Publication number
- CN205564637U CN205564637U CN201620383392.9U CN201620383392U CN205564637U CN 205564637 U CN205564637 U CN 205564637U CN 201620383392 U CN201620383392 U CN 201620383392U CN 205564637 U CN205564637 U CN 205564637U
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- magnet
- check valve
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- check
- wall
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Abstract
The utility model relates to an anti -sticking type flow switch, including the check valve seat, set up the quick switch of magnetism in the check valve seat, corresponding to the quick switching system's of magnetism check valve, check valve and check valve seat between set up return spring, its characterized in that set up magnet on the outer wall of check valve, during check valve jack -up, magnet triggers the quick switch motion of magnetism. It solves the dead problem of flow switch card on being applied to the pump body, and the effect is: with the magnet setting on the outer wall of check valve, the magnetic force of check valve outer wall is strong than the magnetic force of check valve inner wall, magnetic materials in the liquid is then adsorbed on the outer wall of check valve, and does not gather on the check valve inner wall, avoids check valve and check valve seat card to die for flow switch can long -term normal use.
Description
Technical field
This utility model relates to a kind of anti-card-type flow switch.
Background technology
The flow switch being currently used on pump, as depicted in figs. 1 and 2, including non-return valve seat 1 ', the magnet-sensitive switch being arranged in non-return valve seat, the check-valves 2 ' arranged corresponding to magnet-sensitive switch, arranging return spring 3 ' between described check-valves and non-return valve seat, check-valves arranges Magnet 4 ', Magnet 4 ' is arranged on the valve opening inwall of check-valves 2 '.The problem that this structure exists: the permeability magnetic materials such as the iron filings in liquid are unqualified, it is readily adsorbed on Magnet, after life-time service, the permeability magnetic material of absorption is unqualified by stuck non-return valve seat, check-valves can not move relative to non-return valve seat, and Magnet cannot well control magnet-sensitive switch work, finally makes flow switch cisco unity malfunction, need repairing, change, affect the normal use of pump.
Summary of the invention
The purpose of this utility model is to solve the problems referred to above of prior art existence and provide a kind of anti-card-type flow switch, Magnet is arranged on the outer wall of check-valves, the magnetic force of check-valves outer wall is strong compared with the magnetic force of check-valves inwall, permeability magnetic material in liquid is then attracted on the outer wall of check-valves, and be not gathered on check-valves inwall, avoid check-valves stuck with non-return valve seat so that the normal use that flow switch can be long-term.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: anti-card-type flow switch, including non-return valve seat, the magnet-sensitive switch being arranged in non-return valve seat, the check-valves arranged corresponding to magnet-sensitive switch, between described check-valves and non-return valve seat, return spring is set, it is characterized in that arranging on the outer wall of described check-valves Magnet, during described check-valves jack-up, described Magnet triggers magnet-sensitive switch action.This flow switch is adapted to pump.Change Magnet in prior art to be arranged on the inwall of check-valves as to be arranged on the outer wall of check-valves.Due to exposed outside check-valves between Magnet, magnetic force outside check-valves is far longer than the magnetic force within check-valves, and the permeability magnetic material in liquid is attracted to the outside of check-valves, and does not block the inner chamber of check-valves, check-valves can move relative to non-return valve seat smoothly, it is to avoid stuck.
As improving further and supplementing technique scheme, this utility model uses following technical measures: described check-valves is provided with tubular mounting portion, and described Magnet is arranged on installation portion outer wall.Arranging lead on non-return valve seat, arrange magnet-sensitive switch (such as tongue tube) in lead, lead inserts tubular mounting portion, play guide effect, check-valves moves back and forth relative to non-return valve seat in the effect of lead, and when check-valves is by current jack-up, check-valves moves towards non-return valve seat.The Magnet closing of contact on magnet-sensitive switch, magnet-sensitive switch.When the thrust of current is inadequate, under the effect of return spring, check-valves is return, and the magnetic force of Magnet is not enough to promote the closing of contact of magnet-sensitive switch.
In order to stably make Magnet be fixed on check-valves, described installation portion arranging installation groove, described Magnet is arranged in described installation groove.Installing the setting of groove, one conveniently can stablize fixed magnet, and on the other hand the sidewall of groove is relatively thin, and the magnetic force that Magnet is formed in the inner chamber of tubular mounting portion is bigger, it is possible to preferably control magnet-sensitive switch, improves and controls sensitivity.
The top of described installation portion arranges outer chamfering.The setting of outer chamfering, is to enable permeability magnetic material to adsorb on Magnet along outer chamfering, greatly reduces in the inner chamber that permeability magnetic material flows into tubular mounting portion, it is to avoid accumulate in the inner chamber of tubular mounting portion, it is to avoid the appearance of stuck phenomenon.
Described non-return valve seat is provided with lead, arranges described magnet-sensitive switch in described lead, and described lead coordinates with described tubular mounting portion plug-in unit.
On described non-return valve seat, the side corresponding to described lead arranges return spring installation portion, one flange collar is set on described check-valves, described flange collar is positioned at the bottom of described tubular mounting portion, described return spring is enclosed within described tubular mounting portion, and the two ends of described return spring set are separately fixed in described return spring installation portion and described flange collar.
The inner space of through hole, described through hole and described tubular mounting portion is set on the bottom sidewall of described tubular mounting portion.
This utility model has the advantages that 1, is arranged on the outer wall of check-valves by Magnet, the magnetic force of check-valves outer wall is strong compared with the magnetic force of check-valves inwall, permeability magnetic material in liquid is then attracted on the outer wall of check-valves, and be not gathered on check-valves inwall, avoid check-valves stuck with non-return valve seat so that the normal use that flow switch can be long-term.2, check-valves is provided with tubular mounting portion, and described Magnet is arranged on installation portion outer wall, it is therefore intended that the magnetic force that Magnet acts on kind quick switch is higher, makes switch sensitive.3, the top of installation portion arranges outer chamfering.The setting of outer chamfering, is to enable permeability magnetic material to adsorb on Magnet along outer chamfering, greatly reduces in the inner chamber that permeability magnetic material flows into tubular mounting portion, it is to avoid accumulate in the inner chamber of tubular mounting portion, it is to avoid the appearance of stuck phenomenon.
Accompanying drawing explanation
Fig. 1 is a kind of detonation configuration schematic diagram of the prior art corresponding to this utility model.
Fig. 2 is the sectional structure schematic diagram of check-valves in Fig. 1.
Fig. 3 is a kind of detonation configuration schematic diagram of the present utility model.
Fig. 4 is the sectional structure schematic diagram of check-valves in Fig. 3.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment: anti-card-type flow switch, as shown in Figure 3 and Figure 4, including non-return valve seat 1, the magnet-sensitive switch being arranged in non-return valve seat, the check-valves 2 arranged corresponding to magnet-sensitive switch, between described check-valves 2 and non-return valve seat 1, return spring 3 is set, on the outer wall of described check-valves 2, Magnet 4 is set, non-return valve seat 1 is provided with lead 11, arranges described magnet-sensitive switch in described lead 11, and described lead 11 coordinates with the grafting of described tubular mounting portion 21.
During described check-valves 2 jack-up, described Magnet 4 triggers magnet-sensitive switch action.This flow switch is adapted to pump.Change Magnet in prior art to be arranged on the inwall of check-valves as to be arranged on the outer wall of check-valves.Due to exposed outside check-valves between Magnet, magnetic force outside check-valves is far longer than the magnetic force within check-valves, and the permeability magnetic material in liquid is attracted to the outside of check-valves, and does not block the inner chamber of check-valves, check-valves can move relative to non-return valve seat smoothly, it is to avoid stuck.
Specifically, described check-valves 2 is provided with tubular mounting portion 21, and described Magnet 4 is arranged on installation portion outer wall.Lead 11 is set on non-return valve seat 1, magnet-sensitive switch (such as tongue tube) is set in lead 11, lead 11 inserts tubular mounting portion 21, play guide effect, check-valves 2 moves back and forth relative to non-return valve seat 1 in the effect of lead 11, when check-valves is by current jack-up, check-valves moves towards non-return valve seat.The Magnet closing of contact on magnet-sensitive switch, magnet-sensitive switch.When the thrust of current is inadequate, under the effect of return spring 3, check-valves 2 is return, and the magnetic force of Magnet is not enough to promote the closing of contact of magnet-sensitive switch.
Through hole 24, described through hole 24 and the inner space of described tubular mounting portion 21 are set on the bottom sidewall of described tubular mounting portion.When lead 11 gradually inserts to direction, tubular mounting portion bottom, the intracavity space of tubular mounting portion 21 diminishes, and the liquid (including impurity) in the inner chamber of tubular mounting portion 21 flows out from through hole 24.
In order to stably make Magnet 4 be fixed on check-valves 2, described installation portion arranging installation groove 22, described Magnet 4 is arranged in described installation groove 22.Installing the setting of groove, one conveniently can stablize fixed magnet, and on the other hand the sidewall of groove is relatively thin, and the magnetic force that Magnet is formed in the inner chamber of tubular mounting portion is bigger, it is possible to preferably control magnet-sensitive switch, improves and controls sensitivity.
Furthermore, it is understood that the top of described installation portion arranges outer chamfering 23.The setting of outer chamfering, is to enable permeability magnetic material to adsorb on Magnet along outer chamfering, greatly reduces in the inner chamber that permeability magnetic material flows into tubular mounting portion, it is to avoid accumulate in the inner chamber of tubular mounting portion, it is to avoid the appearance of stuck phenomenon.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model.In the above-described embodiments, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (4)
- The most anti-card-type flow switch, including non-return valve seat, the magnet-sensitive switch being arranged in non-return valve seat, the check-valves arranged corresponding to magnet-sensitive switch, between described check-valves and non-return valve seat, return spring is set, it is characterized in that arranging on the outer wall of described check-valves Magnet, during described check-valves jack-up, described Magnet triggers magnet-sensitive switch action.
- Anti-card-type flow switch the most according to claim 1, it is characterised in that described check-valves is provided with tubular mounting portion, described Magnet is arranged on installation portion outer wall.
- Anti-card-type flow switch the most according to claim 2, it is characterised in that arrange installation groove on described installation portion, described Magnet is arranged in described installation groove.
- 4. according to a described anti-card-type flow switch optional in claim 2-3, it is characterised in that the top of described installation portion arranges outer chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383392.9U CN205564637U (en) | 2016-04-29 | 2016-04-29 | Anti -sticking type flow switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383392.9U CN205564637U (en) | 2016-04-29 | 2016-04-29 | Anti -sticking type flow switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205564637U true CN205564637U (en) | 2016-09-07 |
Family
ID=56804625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620383392.9U Active CN205564637U (en) | 2016-04-29 | 2016-04-29 | Anti -sticking type flow switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205564637U (en) |
-
2016
- 2016-04-29 CN CN201620383392.9U patent/CN205564637U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200717 Address after: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317525 Industrial Zone Patentee after: SHIMGE PUMP (ZHEJIANG) Co.,Ltd. Address before: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317525 Industrial Zone Patentee before: SHIMGE PUMP INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG FANGXIN ELECTROMECHANICAL Co.,Ltd. Assignor: SHIMGE PUMP (ZHEJIANG) Co.,Ltd. Contract record no.: X2021330000151 Denomination of utility model: Anti jamming flow switch Granted publication date: 20160907 License type: Common License Record date: 20210828 |
|
| EE01 | Entry into force of recordation of patent licensing contract |