CN106551618A - Cover assembly and cooking apparatus - Google Patents
Cover assembly and cooking apparatus Download PDFInfo
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- CN106551618A CN106551618A CN201510761367.XA CN201510761367A CN106551618A CN 106551618 A CN106551618 A CN 106551618A CN 201510761367 A CN201510761367 A CN 201510761367A CN 106551618 A CN106551618 A CN 106551618A
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- pressure regulation
- pressure
- motor
- catch
- microswitch
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Abstract
The invention provides a kind of cover assembly and cooking apparatus.The cover assembly includes lid, pressure regulator valve, pressure spring bar, pressure regulation lever and motor, motor can drive pressure regulation lever around pressure regulation holder pivots to drive pressure spring bar to move up and down, to adjust the vent pressure size during entrance of pressure regulator valve opening steam channel；Pressure regulation lever is provided with catch, and pressure regulation support is provided with microswitch, and when motor drives pressure regulation lever rotation, catch can be contacted with the shell fragment in microswitch, so that microswitch conducting；The controllable motor of the controller of cooking apparatus carries out rotating, and controller can start the lock-out pulse number for calculating motor output when microswitch is turned on, and control motor stops operating when lock-out pulse is counted to up to preset value.The cover assembly that the present invention is provided, sets a datum mark to the rotation of motor, it is ensured that motor turns to the control accuracy with corner, so as to ensure that the accuracy for adjusting vent pressure.
Description
Technical field
The present invention relates to kitchen utensils field, in particular to a kind of cover assembly and including lid group on this
The cooking apparatus of part.
Background technology
At present, can be present grain of rice caking phenomenon in existing cooking apparatus such as electric cooker during cooking, lead to
Cross in rice water heating period moment pressure release mode, meter Shui " bumping " can be made to produce strenuous exercise, the grain of rice is prevented
Caking, so as to lift rice mouthfeel.It is but existing pressure relief device typically adopts pressure bead pressure release, this
The vent pressure of pressure relief device setting is constant, it is impossible to according to different rice kinds, rice soft or hard and soup medicated porridge meal etc.
Pressure release is carried out using different vent pressures, it is good so as to can not reach when different classes of rice is cooked
Culinary art effect so that the experience effect of user is poor.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.
For this purpose, the purpose of one aspect of the invention is, there is provided a kind of effectively to adjust cooking apparatus
Vent pressure, and ensure to adjust the accuracy of vent pressure, and effectively improve the use peace of cooking apparatus
The cover assembly of full property.
The purpose of another aspect of the invention is, there is provided a kind of cooking pot including above-mentioned cover assembly
Tool.
For achieving the above object, the embodiment of one aspect of the invention provides a kind of cover assembly, is used for
Cooking apparatus, including：Lid, has steam channel, and the lid is provided with pressure regulation on the lid
Frame；Pressure regulator valve, the pressure regulator valve are located at the porch of the steam channel；Pressure spring bar, the pressure regulation
The lower end of spring lever is against on the pressure regulator valve；Pressure regulation lever, the pressure regulation lever are hinged on the pressure regulation
On frame, and the first end of the pressure regulation lever is connected with the upper end of the pressure spring bar；And motor,
Second end of the pressure regulation lever is connected with the outfan of the motor, and the motor can drive
The pressure regulation lever around the pressure regulation holder pivots to drive the pressure spring bar to move up and down, to adjust
State the vent pressure size during entrance of the pressure regulator valve opening steam channel；Wherein, on the pressure regulation lever
Catch is provided with, and on the pressure regulation support, microswitch, the stepping is provided with the relative position of the catch
When motor drives the second end of the pressure regulation lever to rotate, the catch can be with the shell fragment in the microswitch
Contact, so that microswitch conducting；The motor is electrically connected with the controller of the cooking apparatus,
The controller can control the motor and carry out rotating, and the controller can be in the microswitch
Start to calculate the lock-out pulse number of the motor output during conducting, and count to up in advance in the lock-out pulse
If controlling the motor to stop operating during value.
The cover assembly that the above embodiment of the present invention is provided, by step motor drive pressure regulation lever around tune
Pressure holder pivots, move up and down pressure regulation lever drives pressure spring bar, so as to pass through to control pressure regulation bullet
Spring base pushes stroke, can effective control pressure regulator valve act on steam channel porch pressure size,
So as to effectively adjust vent pressure size when cooking apparatus works, make the cooking apparatus can be according to rice kind, rice
The different situations such as soft or hard and soup medicated porridge meal control different vent pressures, reach the purpose of stepless voltage regulation, improve
The mouthfeel of cooking food, so as to improve the experience effect of user；Pressure regulation lever is provided with catch, pressure regulation
Frame is provided with microswitch, when controller control motor is rotated, can cause catch on pressure regulation lever with
The shell fragment of microswitch contacts so that microswitch is turned on, and when microswitch is turned on, starts note
The lock-out pulse number of record motor output, the i.e. rotation to motor set a datum mark so that when
When motor drives pressure regulation lever rotation to a setting position, then start to calculate the angle that motor is rotated
Degree, so as to ensure that pressure regulation lever drives pressure spring bar pushes the reliability and accuracy of stroke, so that
The accuracy for adjusting the vent pressure in the cooking apparatus course of work must be ensure that；And with step motor drive
Pressure regulation lever rotation, making catch contact with shell fragment makes point on the basis of microswitch conducting, controls stepping electricity
The rotational angle of machine forward or reverse, is prevented effectively from and causes pressure regulation lever, pressure regulation because motor rotational angle is excessive
The movement travels such as spring lever are excessive and cause the situation of the damage of components on cover assembly to occur, and effectively keep away
Exempt from because pressure spring bar push stroke it is excessive cause supertension in cooking apparatus, occur, there is potential safety hazard
Situations such as generation, so as to ensure adjust vent pressure accuracy while, improve making for cooking apparatus
Use safety.
In addition, the cover assembly that the above embodiment of the present invention is provided also has following additional technical feature：
According to one embodiment of present invention, the controller includes：Control unit, described control unit
Corresponding synchronization pulse can be sent to the motor according to required vent pressure size, so that described
Pressure regulation lever rotation described in step motor drive；And counting unit, the counting unit can the catch with
When the shell fragment contact turns on the microswitch, start to calculate the lock-out pulse of the motor output
Number, and the lock-out pulse number is fed back to into described control unit, described control unit can be in the synchronous arteries and veins
Punching controls the motor when counting to up to the preset value and stops operating.
In above-described embodiment, controller includes control unit and counting unit, and control unit can be let out according to required
Pressure pressure size sends corresponding synchronization pulse to motor, makes motor carry out forward or reverse
And the rotational angle corresponding with the synchronization pulse is rotated, so that step motor drive pressure regulation lever turns
Move and drive pressure spring bar to move up and down, make pressure regulator valve apply and required pressure release pressure the entrance of steam channel
The equal-sized pressure of power, realizes the control to cooking apparatus vent pressure；Counting unit turns in pressure regulation lever
Move so that catch is contacted with shell fragment, microswitch starts to calculate the lock-out pulse of motor output when turning on
Number, specifically, when motor is rotated forward, lock-out pulse number is added, lock-out pulse number phase when motor is inverted
Subtract, so, by microswitch and the collective effect of controller, a base is set to the rotation of motor
On schedule, when can better control over steering, rotational angle and the abnormal power failure of motor, motor is multiple
The problems such as position, so as to improve the reliability of motor work, improve the safety of cooking apparatus work
And reliability.
Specifically, when needing to make cooking apparatus to produce P1 vent pressures, the control unit of controller to
Motor applies pulse signal N1, and the catch of the counting unit of controller on pressure regulation lever is opened with fine motion
When the shell fragment contact shut turns on microswitch, start to calculate the lock-out pulse number of motor output, when
Motor rotates M1 steps and reaches specified location, i.e. the lock-out pulse number of motor output reaches and pulse
During the corresponding preset values of signal N1, control unit control motor stops operating, now pressure regulator valve pair
The porch of steam channel produces P1 pressure, even if cooking apparatus produces P1 vent pressures；When stepping electricity
Machine rotates forward M2, reversion M3, the pulse signal N=N2-N3 of now control unit output, and controls N values
Less than setting value N0, effectively prevent the angle that motor is rotated excessive, so as to avoid driving because of motor
Stroke that dynamic pressure regulation lever drives pressure spring bar is moved up and down is excessive and causes the parts on cover assembly
The situation of damage occurs；The unexpected power-off when motor works, pulse signal are lost, and control single after energization
Unit's control motor first drives pressure regulation lever rotation, turns on microswitch, finds motor rotation
Datum mark, then synchronization pulse corresponding with required vent pressure, control stepping electricity are sent to motor
Machine rotates corresponding corner, so as to ensure that the steering of control motor and the accuracy and reliability of corner
Property, and then ensure that the accuracy for adjusting vent pressure.In other words, by setting up microswitch, can be more preferable
The problems such as motor gives datum mark for change when ground controls steering, corner and the abnormal power failure of motor, keeps away
Exempt from motor rotational angle and cross ambassador's damage of components, while the pressure in effective control cooking apparatus, keeps away
The problems such as exempting from the potential safety hazard that supertension brings.
According to one embodiment of present invention, the catch is fixed on the pressure regulation lever, the fine motion
Switch is oppositely arranged with the catch positioned at the lower section of the catch, the shell fragment in the microswitch,
When the motor drives the pressure regulation lever rotation to same position, the catch is connected with the shell fragment
Touch.
In above-described embodiment, catch is fixed on pressure regulation lever so that catch follows pressure regulation lever rotation, micro-
Dynamic switch is fixed on pressure regulation support so that catch can be rotated relative to the shell fragment in microswitch, and is worked as
When motor drives pressure regulation lever rotation to same position, catch is contacted with shell fragment, i.e., so that pressure regulation thick stick
Bar drives the movement of pressure spring bar, and causes pressure spring bar to act on the power on pressure regulator valve for a setting value
When, microswitch conducting, controller start the lock-out pulse number for calculating motor output.So, when cooking
Abnormal power-down during preparing food, pulse signal are lost, and after energization, motor first drives pressure regulation lever rotation, makes
Microswitch is turned on, then sends synchronization pulse to control motor, and control motor is rotated and institute
The corresponding rotational angle of vent pressure is needed, so as to ensure that the steering of control motor and the accuracy of corner
And reliability, and then ensure that the accuracy for adjusting vent pressure.
According to one embodiment of present invention, the pressure regulation lever is hinged on the pressure regulation by jointed shaft
On frame, and the jointed shaft is located between the pressure spring bar and the motor, so that the stepping
Pressure regulation lever described in Motor drive is rotated around the jointed shaft.
According to one embodiment of present invention, the catch is located on the pressure regulation lever near the pressure regulation
At the position at the second end of lever, and the pressure regulation lever rotation to horizontal level when, the catch can be made
Lower surface is contacted with the upper surface of the shell fragment.
In above-described embodiment, jointed shaft is located between pressure spring bar and motor, so that stepping electricity
When machine drives the second end of pressure regulation lever to push (upper to move), the first end of pressure regulation lever can be made to drive pressure regulation bullet
(pushing) is moved on spring base；Catch is located on pressure regulation lever at the position at the second end of pressure regulation lever, this
Sample is caused when motor drive catch is moved down and contacted with the shell fragment in microswitch, pressure spring bar
The pressure of pressure regulator valve is gradually reduced, and on the basis of pressure of the now pressure regulator valve to the porch of steam channel
Point, control motor are rotated backward, effectively to increase the vent pressure of cooking apparatus, and by controlling step
The rotational angle of stepper motor carrys out the size of effective control vent pressure.
According to one embodiment of present invention, the motor shaft of the motor is provided with gear, the tune
The engaging tooth being meshed with the gear is provided with second end of pressure lever, the motor passes through the tooth
Wheel and the engaging tooth drive the pressure regulation lever rotation.
In above-described embodiment, by gear and the engagement of engaging tooth so that motor can drive tune
Pressure lever rotates, simple structure, and take full advantage of that meshed transmission gear is steady, gear ratio accurate,
The advantage of reliable operation, life-span length, and then improve the reliability and accuracy of cover assembly pressure regulation.
According to one embodiment of present invention, the pressure regulation support is provided with the mounting groove of upper end open, institute
State gear and the engaging tooth is respectively positioned in the mounting groove, the motor and the microswitch are distinguished
Installed in the outside of two relative side walls of the mounting groove, the catch is located at the top of the mounting groove,
And the mounting groove is stretched out in one end of the catch, and with the microswitch below the catch
The shell fragment be oppositely arranged.
According to one embodiment of present invention, the pressure regulator valve includes：Pressure regulation valve gap, the pressure regulation valve gap
Upper end be provided with the steam (vapor) outlet that can be connected with the entrance of the steam channel；Pressure regulation push rod, the pressure regulation
The upper end of push rod passes through the steam (vapor) outlet, and abuts against with the lower end of the pressure spring bar；Adjusting pressuring valve core,
The adjusting pressuring valve core is located at the porch of the steam channel；Pressure spring, the pressure spring are supported on institute
State between pressure regulation push rod and the adjusting pressuring valve core, the pressure regulation push rod can be driven described by the pressure spring
Adjusting pressuring valve core is moved down；With pressure regulation sealing member, the pressure regulation sealing member is located at the lower end of the adjusting pressuring valve core,
The pressure regulation sealing member can be opened under the collective effect of the adjusting pressuring valve core and steam thrust or close described
The entrance of steam channel, so that the entrance of the steam channel is connected with the steam (vapor) outlet or is mutually disconnected.
In above-described embodiment, pressure regulator valve include pressure regulation valve gap, pressure regulation push rod, adjusting pressuring valve core, pressure spring and
Pressure regulation sealing member, step motor drive pressure regulation lever are rotated around jointed shaft so that the first end band of pressure regulation lever
Dynamic pressure spring bar is moved up and down, and moving up and down for pressure spring bar drives pressure regulation pushrod movement, so that pressure regulation
Valve element moves up and down, and so as to pass through to control the angle that motor is rotated, can effectively adjust adjusting pressuring valve core upper and lower
Mobile distance, so as to effectively adjust pressure size of the adjusting pressuring valve core to the porch of steam channel, reaches tune
The effect of the steam pressure in section cooking apparatus, so as to realize the effect of stepless voltage regulation；When in cooking apparatus
Steam pressure more than adjusting pressuring valve core downward pressure when, by the entrance of steam channel under steam thrust
Open, realize the moment exhaust pressure relief function of cooking apparatus.
The embodiment of another aspect of the invention provides a kind of cooking apparatus, including any of the above-described embodiment institute
The cover assembly stated, and the beneficial effect with the cover assembly described in any of the above-described embodiment.
According to one embodiment of present invention, the cooking apparatus is electric cooker or electric pressure cooking saucepan.
The additional aspect and advantage of the present invention will be given in following description section, partly will be from following
Description in become obvious, or by the present invention practice recognize.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is from the description with reference to accompanying drawings below to embodiment
Will be apparent from it is easy to understand, wherein：
Fig. 1 is the dimensional structure diagram of the cover assembly described in one embodiment of the invention；
Fig. 2 is the partial structural diagram of cover assembly shown in Fig. 1；
Fig. 3 is the cross section structure diagram of cover assembly shown in Fig. 1；
Fig. 4 is the enlarged diagram of the A portions structure of Fig. 3.
Wherein, the corresponding relation in Fig. 1 to Fig. 4 between reference and component names is：
10 lids, 101 steam channels, the entrance of 1011 steam channels, 11 pressure regulation supports, 111 fine motions
Switch, 112 shell fragments, 113 mounting grooves, 12 pressure spring bars, 13 pressure regulation levers, 131 catch, 132
Jointed shaft, 133 engaging tooths, 14 motors, 140 motor shafts, 141 gears, 142 motor shafts, 15
Pressure regulator valve, 151 pressure regulation valve gaps, 152 steam (vapor) outlets, 153 pressure regulation push rods, 154 adjusting pressuring valve cores, 155 adjust
Pressing spring, 156 pressure regulation sealing members.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, with reference to attached
Figure and specific embodiment are further described in detail to the present invention.It should be noted that not
In the case of conflict, the feature in embodiments herein and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but,
The present invention can also be different from mode described here to implement using other, therefore, the guarantor of the present invention
Shield scope is not limited by following public specific embodiment.
The cover assembly and cooking apparatus of some embodiments of the invention are described with reference to the accompanying drawings.
As shown in figures 1 and 3, some embodiments of the present invention provide a kind of for cooking apparatus
Cap assemblies, including：Lid 10, pressure regulator valve 15, pressure spring bar 12, pressure regulation lever 13 and stepping electricity
Machine 14.
Wherein, there is steam channel 101 on the lid 10, and the lid 10 is provided with pressure regulation support
11；
The pressure regulator valve 15 is located at the entrance 1011 of the steam channel；
The lower end of the pressure spring bar 12 is against on the pressure regulator valve 15；
The pressure regulation lever 13 is hinged on the pressure regulation support 11, and the first of the pressure regulation lever 13
End is connected with the upper end of the pressure spring bar 12；
Second end of the pressure regulation lever 13 is connected with the outfan of the motor 14, the stepping
Motor 14 can drive the pressure regulation lever 13 to rotate to drive the pressure spring around the pressure regulation support 11
Bar 12 is moved up and down, to adjust the letting out when pressure regulator valve 15 opens the entrance 1011 of the steam channel
Pressure pressure size；
Wherein, as shown in Fig. 2 the pressure regulation lever 13 is provided with catch 131, the pressure regulation support 11
On be provided with microswitch 111 with the relative position of the catch 131, the motor 14 drives institute
When stating the second end rotation of pressure regulation lever 13, the catch 131 can be with the bullet in the microswitch 111
Piece 112 is contacted, so that the microswitch 111 is turned on；
The motor 14 is electrically connected with the controller (not shown) of the cooking apparatus, described
Controller can control the motor 14 and carry out rotating, and the controller can be in the microswitch
Start to calculate the lock-out pulse number of the output of the motor 14 during 111 conducting, and in the lock-out pulse
Control the motor 14 to stop operating when counting to up to preset value.
The cover assembly that the above embodiment of the present invention is provided, by step motor drive pressure regulation lever around tune
Pressure holder pivots, move up and down pressure regulation lever drives pressure spring bar, so as to pass through to control pressure regulation bullet
Spring base pushes stroke, can effective control pressure regulator valve act on steam channel porch pressure size,
So as to effectively adjust vent pressure size when cooking apparatus works, make the cooking apparatus can be according to rice kind, rice
The different situations such as soft or hard and soup medicated porridge meal control different vent pressures, reach the purpose of stepless voltage regulation, improve
The mouthfeel of cooking food, so as to improve the experience effect of user；Pressure regulation lever is provided with catch, pressure regulation
Frame is provided with microswitch, when controller control motor is rotated, can cause catch on pressure regulation lever with
The shell fragment of microswitch contacts so that microswitch is turned on, and when microswitch is turned on, starts note
The lock-out pulse number of record motor output, the i.e. rotation to motor set a datum mark so that when
When motor drives pressure regulation lever rotation to a setting position, then start to calculate the angle that motor is rotated
Degree, so as to ensure that pressure regulation lever drives pressure spring bar pushes the reliability and accuracy of stroke, so that
The accuracy for adjusting the vent pressure in the cooking apparatus course of work must be ensure that；And with step motor drive
Pressure regulation lever rotation, making catch contact with shell fragment makes point on the basis of microswitch conducting, controls stepping electricity
The rotational angle of machine forward or reverse, is prevented effectively from and causes pressure regulation lever, pressure regulation because motor rotational angle is excessive
The movement travels such as spring lever are excessive and cause the situation of the damage of components on cover assembly to occur, and effectively keep away
Exempt from because pressure spring bar push stroke it is excessive cause supertension in cooking apparatus, occur, there is potential safety hazard
Situations such as generation, so as to ensure adjust vent pressure accuracy while, improve making for cooking apparatus
Use safety.
In one embodiment of the present of invention, the controller includes：Control unit and counting unit, it is described
Control unit can send corresponding lock-out pulse letter to the motor 14 according to required vent pressure size
Number, so that the motor 14 drives the pressure regulation lever 13 to rotate；The counting unit can be described
Catch 131 is contacted with the shell fragment 112 when turning on the microswitch 111, starts to calculate the stepping
The lock-out pulse number of the output of motor 14, and the lock-out pulse number is fed back to into described control unit, it is described
Control unit can control the motor 14 and stop turning when the lock-out pulse is counted to up to the preset value
It is dynamic.
In above-described embodiment, controller includes control unit and counting unit, and control unit can be let out according to required
Pressure pressure size sends corresponding synchronization pulse to motor, makes motor carry out forward or reverse
And the rotational angle corresponding with the synchronization pulse is rotated, so that step motor drive pressure regulation lever turns
Move and drive pressure spring bar to move up and down, make pressure regulator valve apply and required pressure release pressure the entrance of steam channel
The equal-sized pressure of power, realizes the control to cooking apparatus vent pressure；Counting unit turns in pressure regulation lever
Move so that catch is contacted with shell fragment, microswitch starts to calculate the lock-out pulse of motor output when turning on
Number, specifically, when motor is rotated forward, lock-out pulse number is added, lock-out pulse number phase when motor is inverted
Subtract, so, by microswitch and the collective effect of controller, a base is set to the rotation of motor
On schedule, when can better control over steering, rotational angle and the abnormal power failure of motor, motor is multiple
The problems such as position, so as to improve the reliability of motor work, improve the safety of cooking apparatus work
And reliability.
In some embodiments of the present invention, as depicted in figs. 1 and 2, the catch 131 is fixed on described
On pressure regulation lever 13, the microswitch 111 is located at the lower section of the catch 131, the microswitch
The shell fragment 112 on 111 is oppositely arranged with the catch 131, and the motor 14 drives described
When pressure regulation lever 13 turns to same position, the catch 131 is contacted with the shell fragment 112.
In above-described embodiment, catch is fixed on pressure regulation lever so that catch follows pressure regulation lever rotation, micro-
Dynamic switch is fixed on pressure regulation support so that catch can be rotated relative to the shell fragment in microswitch, and is worked as
When motor drives pressure regulation lever rotation to same position, catch is contacted with shell fragment, i.e., so that pressure regulation thick stick
Bar drives the movement of pressure spring bar, and causes pressure spring bar to act on the power on pressure regulator valve for a setting value
When, microswitch conducting, controller start the lock-out pulse number for calculating motor output.So, when cooking
Abnormal power-down during preparing food, pulse signal are lost, and after energization, motor first drives pressure regulation lever rotation, makes
Microswitch is turned on, then sends synchronization pulse to control motor, and control motor is rotated and institute
The corresponding rotational angle of vent pressure is needed, so as to ensure that the steering of control motor and the accuracy of corner
And reliability, and then ensure that the accuracy for adjusting vent pressure.
Further, as depicted in figs. 1 and 2, the pressure regulation lever 13 is hinged by jointed shaft 132
On the pressure regulation support 11, and the jointed shaft 132 is located at the pressure spring bar 12 and the stepping
Between motor 14, so that the motor 14 drives the pressure regulation lever 13 to surround the jointed shaft 132
Rotate.
Preferably, as depicted in figs. 1 and 2, the catch 131 is located on the pressure regulation lever 13 and leans on
At the position at the second end of the nearly pressure regulation lever 13, and the pressure regulation lever 13 is when turning to horizontal level,
The lower surface of the catch 131 can be made to contact with the upper surface of the shell fragment 112.
In above-described embodiment, jointed shaft is located between pressure spring bar and motor, so that stepping electricity
When machine drives the second end of pressure regulation lever to push (upper to move), the first end of pressure regulation lever can be made to drive pressure regulation bullet
(pushing) is moved on spring base；Catch is located on pressure regulation lever at the position at the second end of pressure regulation lever, this
Sample is caused when motor drive catch is moved down and contacted with the shell fragment in microswitch, pressure spring bar
The pressure of pressure regulator valve is gradually reduced, and on the basis of pressure of the now pressure regulator valve to the porch of steam channel
Point, control motor are rotated backward, effectively to increase the vent pressure of cooking apparatus, and by controlling step
The rotational angle of stepper motor carrys out the size of effective control vent pressure.
In one embodiment of the present of invention, as shown in Fig. 2 the motor shaft 140 of the motor 14
Gear 141 is provided with, at the second end of the pressure regulation lever 13, is provided with what is be meshed with the gear 141
Engaging tooth 133, the motor 14 are driven described by the gear 141 and the engaging tooth 133
Pressure regulation lever 13 is rotated.
In above-described embodiment, by gear and the engagement of engaging tooth so that motor can drive tune
Pressure lever rotates, simple structure, and take full advantage of that meshed transmission gear is steady, gear ratio accurate,
The advantage of reliable operation, life-span length, and then improve the reliability and accuracy of cover assembly pressure regulation.
Further, as shown in Fig. 2 the pressure regulation support 11 is provided with the mounting groove 113 of upper end open,
The gear 141 and the engaging tooth 133 are respectively positioned in the mounting groove 113, the motor 14
The outside of two relative side walls of the mounting groove 113 is separately mounted to the microswitch 111, it is described
Catch 131 is located at the top of the mounting groove 113, and the mounting groove is stretched out in one end of the catch 131
113, and it is relative with the shell fragment 112 in the microswitch 111 below the catch 131
Arrange.
In one specific embodiment of the present invention, as shown in Figure 3 and Figure 4, the pressure regulator valve 15 includes：
Pressure regulation valve gap 151, pressure regulation push rod 153, adjusting pressuring valve core 154, pressure spring 155 and pressure regulation sealing member 156.
Wherein, be provided with can be with the entrance 1011 of the steam channel for the upper end of 15 lid 151 of the pressure regulator valve
The steam (vapor) outlet 152 being connected；The upper end of the pressure regulation push rod 153 passes through the steam (vapor) outlet 152, and
Abut against with the lower end of the pressure spring bar 12；15 core 154 of the pressure regulator valve is located at the steam channel
Entrance 1011 at；The pressure spring 155 is supported on the pressure regulation push rod 153 and the pressure regulator valve 15
Between core 154, the pressure regulation push rod 153 can drive the pressure regulator valve 15 by the pressure spring 155
Core 154 is moved down；The pressure regulation sealing member 156 is located at the lower end of 15 core 154 of the pressure regulator valve, institute
State pressure regulation sealing member 156 can open under the collective effect of 15 core 154 of the pressure regulator valve and steam thrust or
The entrance 1011 of the steam channel is closed, so that the entrance 1011 of the steam channel is gone out with the steam
Mouth 152 is connected or mutually disconnects.
In above-described embodiment, pressure regulator valve include pressure regulation valve gap, pressure regulation push rod, adjusting pressuring valve core, pressure spring and
Pressure regulation sealing member, step motor drive pressure regulation lever are rotated around jointed shaft so that the first end band of pressure regulation lever
Dynamic pressure spring bar is moved up and down, and moving up and down for pressure spring bar drives pressure regulation pushrod movement, so that pressure regulation
Valve element moves up and down, and so as to pass through to control the angle that motor is rotated, can effectively adjust adjusting pressuring valve core upper and lower
Mobile distance, so as to effectively adjust pressure size of the adjusting pressuring valve core to the porch of steam channel, reaches tune
The effect of the steam pressure in section cooking apparatus, so as to realize the effect of stepless voltage regulation；When in cooking apparatus
Steam pressure more than adjusting pressuring valve core downward pressure when, by the entrance of steam channel under steam thrust
Open, realize the moment exhaust pressure relief function of cooking apparatus.
The embodiment of another aspect of the invention provides a kind of cooking apparatus (not shown), including upper
The cover assembly described in any embodiment is stated, and with the beneficial of the cover assembly described in any of the above-described embodiment
Effect.
According to one embodiment of present invention, the cooking apparatus is electric cooker or electric pressure cooking saucepan.
In sum, the cover assembly that the present invention is provided, by catch, pressure regulation are provided with pressure regulation lever
Frame is provided with microswitch, when controller control motor is rotated, can cause catch on pressure regulation lever with
The shell fragment of microswitch contacts so that microswitch is turned on, and when microswitch is turned on, starts note
The lock-out pulse number of record motor output, the i.e. rotation to motor set a datum mark so that when
When motor drives pressure regulation lever rotation to a setting position, then start to calculate the angle that motor is rotated
Degree, so as to ensure that pressure regulation lever drives pressure spring bar pushes the reliability and accuracy of stroke, so that
The accuracy for adjusting the vent pressure in the cooking apparatus course of work must be ensure that；And with step motor drive
Pressure regulation lever rotation, making the catch on pressure regulation lever contact with shell fragment makes point on the basis of microswitch conducting,
To control the rotational angle of motor forward or reverse, it is prevented effectively from
Press the movement travels such as lever, pressure spring bar excessive and cause the situation of the damage of components on cover assembly to be sent out
It is raw, and be prevented effectively from because pressure spring bar push stroke it is excessive cause to occur in cooking apparatus supertension,
The generation of situations such as there is potential safety hazard, so as to, while ensureing to adjust vent pressure accuracy, improve
The safety in utilization of cooking apparatus.
In describing the invention, term " connection ", " installation ", " fixation " etc. all should be interpreted broadly,
For example, it can be fixedly connected, or be detachably connected " to connect ", or is integrally connected；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill people of this area
For member, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, term " some embodiments ", " one embodiment ", " be embodied as
The description of example " etc. means specific features, structure, material or the feature described with reference to the embodiment or example
It is contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.And, the specific features of description,
Structure, material or feature can be in one or more any embodiments or example in an appropriate manner
With reference to.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for
For those skilled in the art, the present invention can have various modifications and variations.All essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included in the present invention
Protection domain within.
Claims (10)
1. a kind of cover assembly, for cooking apparatus, it is characterised in that include：
Lid, has steam channel, and the lid is provided with pressure regulation support on the lid；
Pressure regulator valve, the pressure regulator valve are located at the porch of the steam channel；
Pressure spring bar, the lower end of the pressure spring bar are against on the pressure regulator valve；
Pressure regulation lever, the pressure regulation lever are hinged on the pressure regulation support, and the first of the pressure regulation lever
End is connected with the upper end of the pressure spring bar；With
Motor, the second end of the pressure regulation lever are connected with the outfan of the motor, described
Motor can drive the pressure regulation lever around the pressure regulation holder pivots to drive on the pressure spring bar
Lower movement, to adjust the vent pressure size during entrance of the pressure regulator valve opening steam channel；
Wherein, the pressure regulation lever is provided with catch, the relative position on the pressure regulation support with the catch
Place is provided with microswitch, when the motor drives the second end of the pressure regulation lever to rotate, the catch
Can contact with the shell fragment in the microswitch, so that microswitch conducting；
The motor is electrically connected with the controller of the cooking apparatus, and the controller can control the step
Stepper motor carries out rotating, and the controller can start to calculate the stepping when the microswitch is turned on
The lock-out pulse number of motor output, and the motor is controlled when the lock-out pulse is counted to up to preset value
Stop operating.
2. cover assembly according to claim 1, it is characterised in that the controller includes：
Control unit, described control unit can send phase to the motor according to required vent pressure size
The synchronization pulse answered, so that pressure regulation lever rotation described in the step motor drive；With
Counting unit, the counting unit can be contacted with the shell fragment in the catch leads the microswitch
When logical, start to calculate the lock-out pulse number of the motor output, and the lock-out pulse number is fed back to
Described control unit, described control unit can control described when the lock-out pulse is counted to up to the preset value
Motor stops operating.
3. cover assembly according to claim 1, it is characterised in that
The catch is fixed on the pressure regulation lever, and the microswitch is located at the lower section of the catch, institute
The shell fragment stated in microswitch is oppositely arranged with the catch, and the motor drives the pressure regulation thick stick
When bar turns to same position, the catch is contacted with the shell fragment.
4. cover assembly according to claim 3, it is characterised in that
The pressure regulation lever is hinged on the pressure regulation support by jointed shaft, and the jointed shaft is positioned at described
Between pressure spring bar and the motor, so that pressure regulation lever described in the step motor drive surrounds institute
State jointed shaft rotation.
5. cover assembly according to claim 4, it is characterised in that
The catch is located on the pressure regulation lever at the position at the second end of the pressure regulation lever, and institute
When pressure regulation lever rotation is stated to horizontal level, can make the lower surface of the catch and the upper surface phase of the shell fragment
Contact.
6. cover assembly according to any one of claim 1 to 5, it is characterised in that
The motor shaft of the motor is provided with gear, be provided with the second end of the pressure regulation lever with it is described
The engaging tooth that gear is meshed, the motor drive the pressure regulation by the gear and the engaging tooth
Lever rotation.
7. cover assembly according to claim 6, it is characterised in that
The pressure regulation support is provided with the mounting groove of upper end open, and the gear and the engaging tooth are respectively positioned on institute
State in mounting groove, it is two relative that the motor and the microswitch are separately mounted to the mounting groove
The outside of side wall, the catch are located at the top of the mounting groove, and the peace is stretched out in one end of the catch
Tankage, and be oppositely arranged with the shell fragment in the microswitch below the catch.
8. cover assembly according to any one of claim 1 to 5, it is characterised in that the tune
Pressure valve includes：
Pressure regulation valve gap, the upper end of the pressure regulation valve gap are provided with the steaming that can be connected with the entrance of the steam channel
Vapor outlet；
Pressure regulation push rod, the upper end of the pressure regulation push rod pass through the steam (vapor) outlet, and with the pressure spring bar
Lower end abut against；
Adjusting pressuring valve core, the adjusting pressuring valve core are located at the porch of the steam channel；With
Pressure spring, the pressure spring are supported between the pressure regulation push rod and the adjusting pressuring valve core, described
Pressure regulation push rod can drive the adjusting pressuring valve core to move down by the pressure spring；With
Pressure regulation sealing member, the pressure regulation sealing member are located at the lower end of the adjusting pressuring valve core, the pressure regulation sealing member
The entrance of the steam channel can be opened or is closed under the collective effect of the adjusting pressuring valve core and steam thrust,
So that the entrance of the steam channel is connected with the steam (vapor) outlet or is mutually disconnected.
9. a kind of cooking apparatus, it is characterised in that include as any one of claim 1 to 8
Cover assembly.
10. cooking apparatus according to claim 9, it is characterised in that
The cooking apparatus is electric cooker or electric pressure cooking saucepan.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510628818 | 2015-09-25 | ||
| CN2015106288182 | 2015-09-25 |
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| Publication Number | Publication Date |
|---|---|
| CN106551618A true CN106551618A (en) | 2017-04-05 |
Family
ID=55562981
Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520893023.XU Active CN205125972U (en) | 2015-09-25 | 2015-11-09 | Upper cover subassembly and cooking utensil |
| CN201520891516.XU Active CN205107317U (en) | 2015-09-25 | 2015-11-09 | Upper cover subassembly and cooking utensil |
| CN201520891494.7U Active CN205107326U (en) | 2015-09-25 | 2015-11-09 | Pressure limiting device , upper cover and cooking utensil |
| CN201510761367.XA Pending CN106551618A (en) | 2015-09-25 | 2015-11-09 | Cover assembly and cooking apparatus |
| CN201520892318.5U Active CN205107318U (en) | 2015-09-25 | 2015-11-09 | Upper cover subassembly and cooking utensil |
| CN201520899621.8U Active CN205107396U (en) | 2015-09-25 | 2015-11-11 | Upper cover subassembly and cooking utensil |
| CN201510790735.3A Pending CN106551620A (en) | 2015-09-25 | 2015-11-16 | Cooker and its control method |
| CN201520917573.0U Active CN205181117U (en) | 2015-09-25 | 2015-11-17 | Cooking utensil |
| CN201521037366.2U Active CN205267824U (en) | 2015-09-25 | 2015-12-11 | Upper cover subassembly and cooking utensil |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520893023.XU Active CN205125972U (en) | 2015-09-25 | 2015-11-09 | Upper cover subassembly and cooking utensil |
| CN201520891516.XU Active CN205107317U (en) | 2015-09-25 | 2015-11-09 | Upper cover subassembly and cooking utensil |
| CN201520891494.7U Active CN205107326U (en) | 2015-09-25 | 2015-11-09 | Pressure limiting device , upper cover and cooking utensil |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520892318.5U Active CN205107318U (en) | 2015-09-25 | 2015-11-09 | Upper cover subassembly and cooking utensil |
| CN201520899621.8U Active CN205107396U (en) | 2015-09-25 | 2015-11-11 | Upper cover subassembly and cooking utensil |
| CN201510790735.3A Pending CN106551620A (en) | 2015-09-25 | 2015-11-16 | Cooker and its control method |
| CN201520917573.0U Active CN205181117U (en) | 2015-09-25 | 2015-11-17 | Cooking utensil |
| CN201521037366.2U Active CN205267824U (en) | 2015-09-25 | 2015-12-11 | Upper cover subassembly and cooking utensil |
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| Country | Link |
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| CN (9) | CN205125972U (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN205267824U (en) | 2016-06-01 |
| CN106551620A (en) | 2017-04-05 |
| CN205107317U (en) | 2016-03-30 |
| CN205107396U (en) | 2016-03-30 |
| CN205125972U (en) | 2016-04-06 |
| CN205181117U (en) | 2016-04-27 |
| CN205107318U (en) | 2016-03-30 |
| CN205107326U (en) | 2016-03-30 |
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Application publication date: 20170405 |