CN208417604U - A kind of self-retaining clamp valve system - Google Patents
A kind of self-retaining clamp valve system Download PDFInfo
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- CN208417604U CN208417604U CN201820868528.4U CN201820868528U CN208417604U CN 208417604 U CN208417604 U CN 208417604U CN 201820868528 U CN201820868528 U CN 201820868528U CN 208417604 U CN208417604 U CN 208417604U
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Abstract
A kind of self-retaining clamp valve system controls for realizing controlling the on-off flowed in hose or gating.The self-retaining pinch valve includes clamp mechanism, self-retaining mechanism, sensor, driver, transmission mechanism and controller；Self-retaining mechanism can apply self-locking moment to clamp mechanism, it is maintained to be in first position or the second position；Sensor can incude clamp mechanism position；When switch valve state, controller provides excitation to driver, generates torsional moment and drives clamp system to switch between first position and the second position after amplifying by transmission mechanism；After the completion of valve state switching, valve state is maintained by self-retaining mechanism.Self-retaining clamp valve system described in the utility model only consumes energy in stateful switchover process, the persistent fever problem and overheating failure risk of conventional electromagnetic pinch valve are prevented, and the on-off control that flexibly can be used to flow in single hose or the gating control flowed in more root canal roads.
Description
Technical field
The utility model belongs to automation field, is related to a kind of on-off control or gating control for flowing in hose
Clamp valve system.
Background technique
Valve is widely used in various fluid delivery systems.In fields such as biology, medicine and chemical industry, in order to avoid Machinery Ministry
Corrosion of the part to flow working medium pollution or flow working medium to mechanical part, is widely applied pinch valve and realizes to flow process in pipe
Control, including on-off control or commutation control etc..The executing agency of existing pinch valve is usually electromagnetic type, it is by solenoid actuated
Valve core movement changes valve state, and passes through spring return function after electromagnet release.It is with common normally closed type on-off pinch valve
Example, valve pushes spool squeezing tube by spring when power is off, provides certain clamping force；It is then driven by electromagnet when powering on
Spool release, enables soft tube fluid to flow freely.
Such pinch valve principle is mature, is widely used, but there are energy consumptions it is high, fever is big and reliability is low the problems such as.Still with
For above-mentioned normally closed type on-off pinch valve, need to apply to electromagnet enough electric currents when the valve is open so that it is enough to overcome
Spring force, and under continuous duty needs to continue to power to electromagnet to maintain valve to open, thus will consumption compared with
Big electric energy；And due to not doing work in continuous duty lower electromagnet, consumed electric energy will all be converted into thermal energy,
Lead to device heating；If the heat to dissipate cannot be discharged in time, device overheat can have an important influence on the safety of system,
Especially in long time continuous working, there are failure risks.By taking haemodialysis as an example, haemodialysis or CRRT equipment all can
Using a certain number of normally closed type pinch valves, valve is maintained to open in the therapeutic process up to a few hours or even tens of hours
A large amount of electric energy can be consumed, a large amount of heat is distributed, and generates very important security risk.It is existing some more advanced
Clamp valve system usually can also mating complexity driving control system, as the VERSAGRIP electromagnetism pinch valve of ACRO is usually matched
It covers dedicated driving plate to use, be powered by PWM mode to valve body.The application of driving control system can reduce to a certain extent
Fever improves reliability, but does not overcome the problems, such as from principle, and increase the complexity and use cost of system.
In addition, solenoid actuated process is inevitably present in principle with regard to specific significant nonlinear characteristic
It is difficult to the problem of steadily controlling, therefore electromagnetic type pinch valve usually has the problems such as impact is strong, noise is big.Especially in medical environment
In, obvious noise of the electromagnetic type pinch valve in switching will affect medical worker and patient's mood, interfere therapeutic effect.
Summary of the invention
The purpose of the utility model is to provide a kind of self-retaining clamp valve systems, can be by the self-locking moment of self-retaining mechanism
Its working condition is maintained, electric power is only consumed in stateful switchover process, to reduce the energy consumption in valve working, and is prevented
Device overheat and corresponding thrashing risk.
A kind of self-retaining clamp valve system, it is characterised in that: the self-retaining pinch valve includes clamp mechanism, self-insurance
Hold mechanism, sensor, driver, transmission mechanism and controller；Valve state includes first state and the second state, corresponds to folder
The first position and the second position of pipe mechanism；Self-retaining mechanism applies to clamp mechanism self-locking under first state or the second state
Torque maintains it to be in first position or the second position；Sensor can incude clamp mechanism position, and feed back to controller to sentence
Disconnected valve state；When needing switch valve state, controller provides excitation to driver, it is made to generate torsional moment, the power
Square is amplified by transmission mechanism, and clamp system is driven to overcome the self-locking moment of self-retaining mechanism, from first position to the second position
Movement is moved from the second position to first position；After the completion of valve state switching, the excitation of controller discommect drive, by
Self-retaining mechanism maintains valve state.
The self-retaining clamp valve system can be used as on-off valve, and valve function is in one or more hose, and the of valve
One state is closed state, the flowing in clamp mechanism squeezing tube and blocking tube；Second state is on state, clamp mechanism
Release hose flow freely working medium therein can.
The self-retaining clamp valve system can be used as sluice valve, and valve acts on a plurality of hose, including A group hose simultaneously
With B group hose；Clamp mechanism squeezes A group hose and discharges B group hose under the first state of valve, so that flowing in A group hose
It disconnects and flowing conducting in B group hose；Clamp mechanism squeezes B group hose and discharges A group hose under second state, so that B group is soft
Flowing disconnects and flowing conducting in A group hose in pipe.
The self-retaining mechanism is acted on by mechanical self-latching to clamp mechanism under first state or the second state to be applied
Certain self-locking moment, and the torque size can flexible modulation.
The self-locking moment that the clamp mechanism can provide self-retaining mechanism is converted into pressure, is applied on hose, realizes
To the squeezing action of hose.
The sensor is Hall sensor or infrared sensor, and controller is passed according under different clamp mechanism positions
Sensor generates different feedback signals, realizes the judgement to valve state.
The driver is motor, can positive and negative rotation；The needs that controller switches according to valve state apply not to driver
Same excitation makes its generate torque forward or backwards, acts on transmission mechanism.
The transmission mechanism is gear reduction, is transferred to clamp mechanism after can amplifying the torque that driver generates,
To overcome the self-locking moment of self-retaining mechanism.
When the power needed for clamping pipeline is smaller, can automatic holding device in omission system, hindered by the friction of transmission mechanism
Power provides the self-locking moment for keeping valve state.
The advantageous effects of the utility model are
(1) pinch valve of the utility model maintains valve state by the self-locking moment of self-retaining mechanism, and driver only exists
State works when switching, and system energy consumption is low, and has prevented the heating problem of conventional electromagnetic pinch valve.
(2) due to controllably being controlled, it can be achieved that smoothly commutating using motor rather than solenoid actuated, the commutation running of valve
System, impact is small, and noise is low.
(3) by selecting different clamp mechanisms, the on-off control that the utility model flexibly can be used to flow in single hose
The gating control flowed in system or more root canal roads.
Detailed description of the invention
Fig. 1 is Tthe utility model system composition and action principle schematic diagram
Fig. 2 is the first state schematic diagram of embodiment 1
Fig. 3 is the second status diagram of embodiment 1
Fig. 4 is the stateful switchover process schematic diagram of embodiment 1
Fig. 5 is the first state schematic diagram of embodiment 2
Fig. 6 is the second status diagram of embodiment 2
In figure, 1 is clamp mechanism, and 2 be self-retaining mechanism, and 3 be sensor, and 4 be transmission mechanism, and 5 be driver, and 6 be control
Device processed, 1a, 1b are the limited block in clamp mechanism, and 1c is the swing arm in clamp mechanism, and 1d is the briquetting in clamp mechanism, and 2a is
The fixed installation position of self-retaining mechanism, 2b are the elastic element of self-retaining mechanism, and 3a, 3b are Hall sensor.
Specific embodiment
With reference to the accompanying drawing, by embodiment, the utility model is further described.
Embodiment 1, a kind of on-off type clamp valve system, referring to Fig. 1-4, including clamp mechanism 1, self-retaining mechanism 2, sensing
Device 3, transmission mechanism 4, driver 5 and controller 6；Wherein clamp mechanism 1 includes left side limited block 1a, right side limited block 1b, pendulum
Arm 1c and briquetting 1d；Self-retaining mechanism 2 includes that position 2a and elastic element 2b is fixedly mounted.
The on-off type pinch valve includes first state (Fig. 2) and the second state (Fig. 3), and wherein first state is to disconnect shape
State, the second state are on state.
In the first state, driver 5 does not work, and self-retaining mechanism 2 passes through pendulum of the elastic element 2b into clamp mechanism 1
Arm 1c applies elastic acting force, and the power and swing arm 1c are in a certain angle, so that it is anticlockwise to apply one to clamp mechanism
Torsional moment T3；Under the moment loading, briquetting 1d be maintained at under hose contact condition, and squeezing tube, the flowing in hose
It disconnects.
In the second condition, driver 5 does not work, and self-retaining mechanism 2 passes through pendulum of the elastic element 2b into clamp mechanism 1
Arm 1c applies elastic acting force, and the power and swing arm 1c are in a certain angle, forms a clockwise torsional moment T3；The power
Under square effect, briquetting 1d is maintained at under the limited block 1b contact condition of right side, and clamp mechanism 1 does not apply active force, pipe to hose
Interior flowing conducting.
The sensor includes left Hall sensor 3a and right sensor 3b, passes through the pressure in induction clamp mechanism 1
The position of block 1d judges valve state, and feeds back to controller 6.
The self-retaining pinch valve realizes the switching from first state to the second state: controller 6 by following process
Whether left side restraining position is in by the briquetting 1d that sensor 3a incudes clamp mechanism 1 first, judges whether current valve is located
In first state；After confirmation, controller 6 provides excitation to driver 5, drives it to rotate clockwise, and generate torsional moment T1；
The torsional moment that driver 5 provides is amplified to T2 and acted in clamp mechanism 1 by transmission mechanism 4；The torque is greater than self-sustaining machine
The holding torque T3 of structure drives clamp mechanism 1 to form commutation action；By left side limited block 1a, limited block 1b is transported briquetting 1d to the right
Dynamic, release hose manages interior flowing conducting；Controller 6 judges whether briquetting 1d has reached right side restraining position by sensor 3b,
The excitation of discommect drive 5 after confirmation maintains valve state by self-retaining mechanism 2.
The self-retaining pinch valve realizes the switching from the second state to first state: controller 6 by following process
Whether right side restraining position is in by the briquetting 1d that sensor 3b incudes clamp mechanism 1 first, judges whether current valve is located
In the second state；After confirmation, controller 6 provides excitation to driver 5, drives it to rotate counterclockwise, and generate torsional moment T1；
The torsional moment that driver 5 provides is amplified to T2 and acted in clamp mechanism 1 by transmission mechanism 4；The torque is greater than self-sustaining machine
The holding torque T3 of structure drives clamp mechanism 1 to form commutation action；Briquetting 1d is transported by right side limited block 1b limited block 1a to the left
Dynamic, squeezing tube is managed interior flowing and is disconnected；Controller 6 judges whether briquetting 1d has reached left side restraining position by sensor 3a,
The excitation of discommect drive 5 after confirmation maintains valve state by self-retaining mechanism 2.
Embodiment 2, a kind of on-off type clamp valve system, referring to Fig. 1, Fig. 5 and Fig. 6, including clamp mechanism 1, self-sustaining machine
Structure 2, sensor 3, transmission mechanism 4, driver 5 and controller 6；Wherein clamp mechanism 1 includes left side limited block 1a, right side limit
Position block 1b, swing arm 1c and briquetting 1d；Self-retaining mechanism 2 includes that position 2a and elastic element 2b is fixedly mounted.
The gating formula pinch valve includes first state (Fig. 5) and the second state (Fig. 6), and wherein first state is hose A
It disconnects, hose B on state, the second state is hose A conducting, hose B off-state.
In the first state, driver 5 does not work, and self-retaining mechanism 2 passes through pendulum of the elastic element 2b into clamp mechanism 1
Arm 1c applies elastic acting force, and the power and swing arm 1c are in a certain angle, so that it is anticlockwise to apply one to clamp mechanism
Torsional moment T3；Under the moment loading, briquetting 1d is maintained at under hose A contact condition, and the stream in pipe is made by squeezing tube A
Dynamic circuit breaker is opened；Clamp mechanism 1 does not apply active force to hose B, manages interior flowing conducting.
In the second condition, driver 5 does not work, and self-retaining mechanism 2 passes through pendulum of the elastic element 2b into clamp mechanism 1
Arm 1c applies elastic acting force, and the power and swing arm 1c are in a certain angle, forms a clockwise torsional moment T3；The power
Under square effect, briquetting 1d is maintained at under hose B contact condition, disconnects the flowing in pipe by squeezing tube B；Clamp mechanism
1 does not apply active force to hose A, manages interior flowing conducting.
Switching principle and process of the gating formula pinch valve between first state and the second state are similar to Example 1.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (9)
1. a kind of self-retaining clamp valve system, it is characterised in that: the self-retaining pinch valve includes clamp mechanism, self-sustaining
Mechanism, sensor, driver, transmission mechanism and controller；Valve state includes first state and the second state, corresponds to clamp
The first position and the second position of mechanism；Self-retaining mechanism applies self-lock force to clamp mechanism under first state or the second state
Square maintains it to be in first position or the second position；Sensor can incude clamp mechanism position, and feed back to controller to judge
Valve state；When needing switch valve state, controller provides excitation to driver, it is made to generate torsional moment, the torque
Amplified by transmission mechanism, clamp system is driven to overcome the self-locking moment of self-retaining mechanism, transported from first position to the second position
It moves or is moved from the second position to first position；After the completion of valve state switching, the excitation of controller discommect drive, by certainly
Holding mechanism maintains valve state.
2. self-retaining clamp valve system according to claim 1, it is characterised in that: the self-retaining clamp valve system can
As on-off valve, valve function is closed state, clamp mechanism squeezing tube in one or more hose, the first state of valve
And the flowing in blocking tube；Second state is on state, and clamp mechanism release hose flow freely working medium therein can.
3. self-retaining clamp valve system according to claim 1, it is characterised in that: the self-retaining clamp valve system can
As sluice valve, valve acts on a plurality of hose, including A group hose and B group hose simultaneously；Clamp machine under the first state of valve
Structure squeezes A group hose and discharges B group hose, so that flowing disconnects and flowing conducting in B group hose in A group hose；Second state
Lower clamp mechanism squeezes B group hose and discharges A group hose, so that flowing disconnects and flowing conducting in A group hose in B group hose.
4. self-retaining clamp valve system according to claim 1, it is characterised in that: include elasticity in the self-retaining mechanism
Element applies certain self-lock force to clamp mechanism by the self-locking of mechanical structure under first state or the second state
Square, and by selecting different elastic elements can flexible modulation self-locking moment size.
5. self-retaining clamp valve system according to claim 1, it is characterised in that: the clamp mechanism can be by self-sustaining machine
The self-locking moment that structure provides is converted into pressure, is applied on hose, realizes the squeezing action to hose.
6. self-retaining clamp valve system according to claim 1, it is characterised in that: the sensor be Hall sensor or
Infrared sensor generates different feedback signals under different clamp mechanism positions, and controller is by reading sensor signal
Realize the real-time judge to valve state.
7. self-retaining clamp valve system according to claim 1, it is characterised in that: the driver is motor, can be positive and negative
Turn；The needs that controller switches according to valve state apply different excitations to driver, it is made to generate torsion forward or backwards
Square acts on transmission mechanism, and valve is promoted to switch between first state and the second state.
8. self-retaining clamp valve system according to claim 1, it is characterised in that: the transmission mechanism is gear reduction unit
Structure is transferred to clamp mechanism after can amplifying the torque that driver generates, to overcome the self-locking moment of self-retaining mechanism.
9. self-retaining clamp valve system according to claim 1, it is characterised in that: the power needed for clamping pipeline is smaller
When, can automatic holding device in omission system, the self-locking moment for keeping valve state is provided by the frictional resistance of transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820868528.4U CN208417604U (en) | 2018-06-06 | 2018-06-06 | A kind of self-retaining clamp valve system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820868528.4U CN208417604U (en) | 2018-06-06 | 2018-06-06 | A kind of self-retaining clamp valve system |
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| CN208417604U true CN208417604U (en) | 2019-01-22 |
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| CN201820868528.4U Active CN208417604U (en) | 2018-06-06 | 2018-06-06 | A kind of self-retaining clamp valve system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692059A (en) * | 2018-06-06 | 2018-10-23 | 成都酷卓生命科技有限公司 | A kind of self-retaining clamp valve system |
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2018
- 2018-06-06 CN CN201820868528.4U patent/CN208417604U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692059A (en) * | 2018-06-06 | 2018-10-23 | 成都酷卓生命科技有限公司 | A kind of self-retaining clamp valve system |
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