CN204133166U - Combination pressure switch and the pressure cooker with it - Google Patents
Combination pressure switch and the pressure cooker with it Download PDFInfo
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- CN204133166U CN204133166U CN201420503049.4U CN201420503049U CN204133166U CN 204133166 U CN204133166 U CN 204133166U CN 201420503049 U CN201420503049 U CN 201420503049U CN 204133166 U CN204133166 U CN 204133166U
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Abstract
The utility model discloses a kind of combination pressure switch and have its pressure cooker, combination pressure switch comprises: switch base; Upper stationary contact part and lower stationary contact part, upper stationary contact part and lower stationary contact part are located on switch base; Upper movable contact piece and lower movable contact piece, upper movable contact piece to be located on switch base and to contact with upper stationary contact part, and lower movable contact piece to be located on switch base and to contact with lower stationary contact part; Upper shake-up shell fragment and lower shake-up shell fragment, upper shake-up shell fragment and lower shake-up shell fragment are located on switch base, and lower shake-up shell fragment is connected with lower touch part by touching connecting rod; Upper opening pressure regulating part, upper opening pressure regulating part can be located on shake-up shell fragment up or down; Lower opening pressure regulating part, lower opening pressure regulating part can be located on lower shake-up shell fragment up or down.Effectively can regulate opening pressure according to combination pressure switch of the present utility model, have that production cost is low, pressure controling precision is high, uniformity advantages of higher.
Description
Technical field
The utility model relates to electrical equipment manufacturing technology field, in particular to a kind of combination pressure switch and the pressure cooker with described combination pressure switch.
Background technology
Pressure cooker in correlation technique, in order to simplify assembling process, is integrated into combination pressure switch by pressure switch and cut-off switch, for controlling the power on/off of heater block according to pot inner pressure.For the combination pressure switch that pressure switch and cut-off switch are arranged up and down, due to the restriction of structure, effectively cannot regulate the opening pressure of pressure switch, opening pressure can only be ensured by machining accuracy and assembly precision, not only production cost is higher, and pressure controling precision and uniformity poor.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of combination pressure switch, this combination pressure switch effectively can regulate opening pressure, has that production cost is low, pressure controling precision is high, uniformity advantages of higher.
The utility model also proposes a kind of pressure cooker with described combination pressure switch.
For achieving the above object, first aspect of the present utility model proposes a kind of combination pressure switch, and described combination pressure switch comprises: switch base; Upper stationary contact part and lower stationary contact part, described upper stationary contact part and described lower stationary contact part are located on described switch base and described upper stationary contact part is positioned at above described lower stationary contact part; Upper movable contact piece and lower movable contact piece, described upper movable contact piece to be located on described switch base and to be positioned at below described upper stationary contact part and to contact with described upper stationary contact part, and described lower movable contact piece to be located on described switch base and to be positioned at below described lower stationary contact part and to contact with described lower stationary contact part; Upper shake-up shell fragment and lower shake-up shell fragment, described upper shake-up shell fragment to be located on described switch base and to be positioned at above described upper stationary contact part, described lower shake-up shell fragment to be located on described switch base and in the vertical direction on described between movable contact piece and described lower stationary contact part, described lower shake-up shell fragment is connected with described lower touch part by touching connecting rod, and described lower shake-up shell fragment promotes described lower movable contact piece downwards by described shake-up connecting rod and is separated with described lower stationary contact part to make described lower movable contact piece; Upper opening pressure regulating part, described upper opening pressure regulating part can be located on described upper shake-up shell fragment and upper movable contact piece described in lower end aligned up or down, and described upper shake-up shell fragment promotes described upper movable contact piece downwards by described upper opening pressure regulating part and is separated with described upper stationary contact part to make described upper movable contact piece; Lower opening pressure regulating part, described lower opening pressure regulating part can be located on described lower shake-up shell fragment and upper end up or down and aim at described upper shake-up shell fragment, and described upper shake-up shell fragment promotes described lower shake-up shell fragment downwards by described lower opening pressure regulating part.
According to combination pressure switch of the present utility model, by arrange on upper shake-up shell fragment moving up and down on opening pressure regulating part, opening pressure regulating part can be regulated to stretch out the length of shake-up shell fragment downwards, to regulate the opening pressure of upper switch group, can significantly reduce in production process the machining accuracy of parts and assembly precision thus, thus can production cost be reduced, and after combination pressure switch has assembled, can by regulating upper opening pressure regulating part and lower opening pressure regulating part, effectively can regulate opening pressure, there is production cost low, pressure controling precision is high, uniformity advantages of higher.
In addition, following additional technical characteristic can also be had according to combination pressure switch of the present utility model:
Described combination pressure switch also comprises initial opening pressure regulating part, and described initial opening pressure regulating part can be located on described upper shake-up shell fragment up or down.
Described initial opening pressure regulating part is located at one end away from described switch base of described upper shake-up shell fragment, described upper opening pressure regulating part touch on described on shell fragment described switch base and described between initial opening pressure regulating part and described in lower end aligned on one end away from described switch base of movable contact piece.
Described upper shake-up shell fragment is provided with through hole on first, the upper surface of described upper shake-up shell fragment is provided with first top nut relative with lead to the hole site on described first, described disconnected initial opening pressure regulating part through through hole on described first and threaded engagement in described first top nut.
Described lower opening pressure regulating part is located at one end away from described switch base of described lower shake-up shell fragment and part between the described upper opening pressure regulating part of described upper shake-up shell fragment and described initial opening pressure regulating part is aimed in upper end, described shake-up connecting rod on described lower shake-up shell fragment between described switch base and described lower opening pressure regulating part and lower end be connected with one end away from described switch base of described lower movable contact piece.
Described upper shake-up shell fragment is provided with through hole on second, the upper surface of described upper shake-up shell fragment is provided with second top nut relative with lead to the hole site on described second, described upper opening pressure regulating part through through hole on described second and threaded engagement in described second top nut; Described lower shake-up shell fragment is provided with lower through-hole, and the lower surface of described lower shake-up shell fragment is provided with the lower nut relative with described lower through-hole position, described lower opening pressure regulating part through described lower through-hole and threaded engagement in described lower nut.
Described combination pressure switch also comprises lower jumping and to break displacement regulating part, and the described lower jumping displacement regulating part that breaks can be located on described switch base and upper end up or down and is against on described lower movable contact piece.
Described switch base has the installing plate be positioned at below described lower movable contact piece, and the described lower jumping displacement regulating part that breaks can be located on described installing plate up or down.
The described lower jumping displacement regulating part that breaks is positioned at the middle part of described installing plate length direction and upper end is against the middle part on described lower movable contact piece length direction.
Described installing plate is provided with screwed hole, and the described lower jumping displacement regulating part that breaks is bolt, and described lower jumping is broken, and in described screwed hole, and described lower jumping is broken, the nut of displacement regulating part is positioned at below described installing plate displacement regulating part threaded engagement.
Each in described upper movable contact piece and described lower movable contact piece comprises: lower reed, stage portion that one end of described lower reed is arranged on described switch base and the other end is configured to upwards; Upper reed plate, one end of described upper reed plate is connected in described stage portion and the other end tilts upward extension to described switch base; Movable contact, described movable contact is located on the upper surface of the described other end of described upper reed plate.
Described lower reed is provided with semi-circular groove, described lower reed by described semi-circular groove around part form lower elastic portion; Described upper reed plate is provided with fluting, is connected with upper elastic portion protruding upward between the two side relative on the length direction of described upper reed plate of described fluting.
Each in described upper stationary contact part and described lower stationary contact part comprises: gripper shoe, and described gripper shoe is arranged on described switch base; Stationary contact, the lower surface that described stationary contact is located at described gripper shoe contacts with described movable contact.
One in the stationary contact of described upper stationary contact part and the movable contact of described upper movable contact piece is provided with semicircle boss and another is provided with semi-circular recesses, and described semicircle boss is engaged in described semi-circular recesses.
Second aspect of the present utility model proposes a kind of pressure cooker, and described pressure cooker comprises: outer pot; Electric hot tray, described electric hot tray is arranged on described outer pot by elastic component, and described electric hot tray is provided with shift transmission part; Interior pot, described interior pot to be located in described outer pot and to be supported on described electric hot tray; Combination pressure switch, described combination pressure switch is the combination pressure switch according to first aspect of the present utility model, the switch base of described combination pressure switch to be arranged on described outer pot and described in the lower end aligned of described shift transmission part on touch shell fragment; Pot cover, described pot cover is located on described outer pot or described interior pot.
According to pressure cooker of the present utility model, by utilizing combination pressure switch according to first aspect of the present utility model, have that Stress control is accurate, security is high, low cost and other advantages.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the combination pressure switch according to the utility model embodiment.
Fig. 2 is the side view of the combination pressure switch according to the utility model embodiment.
Fig. 3 is the sectional view of the pressure cooker according to the utility model embodiment.
Reference numeral: pressure cooker 1, outer pot 10, electric hot tray 20, elastic component 21, shift transmission part 22, interior pot 30, combination pressure switch 40, pot cover 50, switch base 100, installing plate 110, upper stationary contact part 200, lower stationary contact part 300, gripper shoe 310, stationary contact 320, upper movable contact piece 400, lower movable contact piece 500, lower reed 510, stage portion 511, lower elastic portion 512, upper reed plate 520, upper elastic portion 521, movable contact 530, upper shake-up shell fragment 600, first top nut 610, second top nut 620, lower shake-up shell fragment 700, lower nut 710, touch connecting rod 800, upper opening pressure regulating part 900, lower opening pressure regulating part 1000, upper initial opening pressure regulating part 1100, lower jumping is broken displacement regulating part 1200.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to the accompanying drawings pressure cooker 1 according to the utility model embodiment is described.
As shown in Figure 3, outer pot 10, electric hot tray 20, interior pot 30, combination pressure switch 40 and pot cover 50 is comprised according to the pressure cooker 1 of the utility model embodiment.
First with reference to figure 1 and Fig. 2, the combination pressure switch 40 according to the utility model embodiment is described.
As depicted in figs. 1 and 2, comprise switch base 100, upper stationary contact part 200, lower stationary contact part 300, upper movable contact piece 400, lower movable contact piece 500, upper shake-up shell fragment 600, lower shake-up shell fragment 700 according to the combination pressure switch 40 of the utility model embodiment, touch connecting rod 800, upper opening pressure regulating part 900 and lower opening pressure regulating part 1000.
Upper stationary contact part 200 and lower stationary contact part 300 are located on switch base 100, and upper stationary contact part 200 is arranged in (above-below direction is as shown in the arrow A of Fig. 1-Fig. 3) above lower stationary contact part 300.Upper movable contact piece 400 is located on switch base 100, and upper movable contact piece 400 to be positioned at below stationary contact part 200 and to contact with upper stationary contact part 200.Lower movable contact piece 500 is located on switch base 100, and lower movable contact piece 500 to be positioned at below lower stationary contact part 300 and to contact with lower stationary contact part 300.Wherein, upper movable contact piece 400 is for resetting movable contact piece, and lower stationary contact part 300 is the movable contact piece that can not reset.
Upper shake-up shell fragment 600 is located on switch base 100, and upper shake-up shell fragment 600 is positioned at above stationary contact part 200.Upper opening pressure regulating part 900 can be located on shake-up shell fragment 600 up or down, and movable contact piece 400 in the lower end aligned of upper opening pressure regulating part 900.Upper shake-up shell fragment 600 promotes upper movable contact piece 400 downwards by upper opening pressure regulating part 900 and is separated with upper stationary contact part 200 to make upper movable contact piece 400.
Lower shake-up shell fragment 700 is located on switch base 100, and lower shake-up shell fragment 700 is in the vertical direction between upper movable contact piece 400 and lower stationary contact part 300.Lower shake-up shell fragment 700 is connected with lower movable contact piece 500 by touching connecting rod 800.Lower opening pressure regulating part 1000 can be located on lower shake-up shell fragment 700 up or down, and upper shake-up shell fragment 600 is aimed in the upper end of lower opening pressure regulating part 1000.Upper shake-up shell fragment 600 touches shell fragment 700 under being promoted by lower opening pressure regulating part 1000 downwards, and then lower shake-up shell fragment 700 is separated with lower stationary contact part 300 to make lower movable contact piece 500 by touching the lower movable contact piece 500 of connecting rod 800 promotion downwards.
According in the pressure cooker 1 of the utility model embodiment, electric hot tray 20 is arranged on outer pot 10 by elastic component 21, and electric hot tray 20 is provided with the shift transmission part 22 to downward-extension.Wherein, elastic component 21 can be elastic metal sheet, and shift transmission part 22 and electric hot tray 20 can be integrated part.Interior pot 30 to be located in outer pot 10 and to be supported on electric hot tray 20.The switch base 100 of combination pressure switch 40 to be arranged on outer pot 10 and the lower end aligned of shift transmission part 22 touches shell fragment 600.Pot cover 50 is located on outer pot 10 or interior pot 30, can be provided with sealing ring between pot cover 50 and interior pot 30.
Pressure control procedure according to pressure cooker 1 of the present utility model is described below.
After pressure cooker 1 is started working, electric hot tray 20 heats interior pot 30, and along with the rising of temperature in interior pot 30, pressure also increases thereupon.Interior pot 30 presses electric hot tray 20 downwards, and elastic component 21 is compressed.Electric hot tray 20 promotes the upper shake-up shell fragment 600 of combination pressure switch 40 downwards in the process moved down by shift transmission part 22.
Along with the pressure in interior pot 30 constantly raises, upper shake-up shell fragment 600 promotes upper movable contact piece 400 downwards by upper opening pressure regulating part 900, movable contact piece 400 is separated with upper stationary contact part 200, realizes the control to pot inner pressure.
When pressure cooker 1 operation irregularity; pressure in interior pot 30 exceedes and limits force value when reaching pressure release state; lower shake-up shell fragment 700 promotes lower opening pressure regulating part 1000 downwards; lower opening pressure regulating part 1000 promotes upper shake-up shell fragment 600 downwards; upper shake-up shell fragment 600 is separated with lower stationary contact part 300 to make lower movable contact piece 500 by touching the lower movable contact piece 500 of connecting rod 800 promotion downwards; cut off heater circuit or control circuit, to realize superpressure power-off protection.
According to the combination pressure switch 40 that the utility model is implemented, by arranging two groups of switches up and down, can the function of integrated pressure switch and cut-off switch, thus simplify assembling.
And, by arranging lower opening pressure regulating part 1000 moving up and down on lower shake-up shell fragment 700, lower opening pressure regulating part 1000 can be regulated to protrude upward the length of lower shake-up shell fragment 700, to regulate the opening pressure difference of upper and lower two groups of switches, thus the opening pressure of setting lower switch group.
In addition, by arrange on upper shake-up shell fragment 600 moving up and down on opening pressure regulating part 900, opening pressure regulating part 900 can be regulated to stretch out the length of shake-up shell fragment 600 downwards, to regulate the opening pressure of upper switch group, can significantly reduce in production process the machining accuracy of parts and assembly precision thus, thus can production cost be reduced, and after combination pressure switch 40 has assembled, can pass through to regulate upper opening pressure regulating part 900 and lower opening pressure regulating part 1000, to ensure uniformity.
Therefore, the combination pressure switch 40 according to the utility model embodiment effectively can regulate opening pressure, has that production cost is low, pressure controling precision is high, uniformity advantages of higher.
According to the pressure cooker 1 of the utility model embodiment, by utilizing according to the combination pressure switch 40 of the utility model above-described embodiment, have that Stress control is accurate, security is high, low cost and other advantages.
According to the pressure cooker 1 of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.
Below with reference to the accompanying drawings combination pressure switch 40 according to the utility model specific embodiment is described.
In specific embodiments more of the present utility model, as shown in Figure 1-Figure 3, comprise switch base 100, upper stationary contact part 200, lower stationary contact part 300, upper movable contact piece 400, lower movable contact piece 500, upper shake-up shell fragment 600, lower shake-up shell fragment 700 according to the combination pressure switch 40 of the utility model embodiment, touch connecting rod 800, upper opening pressure regulating part 900 and lower opening pressure regulating part 1000, displacement regulating part 1200 is broken in upper initial opening pressure regulating part 1100 and lower jumping.
Upper initial opening pressure regulating part 1100 can be located on shake-up shell fragment 600 up or down, the upper end of initial opening pressure regulating part 1100 in the lower end aligned of the shift transmission part 22 of electric hot tray 20, the shift transmission part 22 of electric hot tray 20 moves down to make upper shake-up shell fragment 600 by promoting upper initial opening pressure regulating part 1100 downwards.Initial opening pressure regulating part 1100 can be regulated thus to protrude upward the length of shake-up shell fragment 600, to regulate the initial distance of upper initial opening pressure regulating part 1100 and shift transmission part 22, thus upper switch group is regulated initially to disconnect corresponding force value.
Particularly, as depicted in figs. 1 and 2, upper initial opening pressure regulating part 1100 is located at one end away from switch base 100 of shake-up shell fragment 600, upper opening pressure regulating part 900 on upper shake-up shell fragment 600 switch base 100 and between initial opening pressure regulating part 1100, and one end away from switch base 100 of movable contact piece 400 in the lower end aligned of upper opening pressure regulating part 900.Thus can so that the shift transmission part 22 of electric hot tray 20 promotes upper initial opening pressure regulating part 1100 downwards to promote upper shake-up shell fragment 600 downwards, and can so that upper opening pressure regulating part 900 promotes upper movable contact piece 400 downwards, thus the displacement of interior pot 30 can be made to transmit sensitiveer, thus improve pressure controlled precision further.
Alternatively, upper shake-up shell fragment 600 is provided with through hole on first, and the upper surface of upper shake-up shell fragment 600 is provided with first top nut 610 relative with lead to the hole site on described first.Upper initial opening pressure regulating part 1100 is provided with external screw thread, upper initial opening pressure regulating part 1100 through through hole on described first and threaded engagement in the first top nut 610, by rotating upper initial opening pressure regulating part 1100, regulate initial opening pressure regulating part 1100 to protrude upward the length of shake-up shell fragment 600, and the stability that initial opening pressure regulating part 1100 is installed with upper shake-up shell fragment 600 can be ensured.
In concrete examples more of the present utility model, as depicted in figs. 1 and 2, lower opening pressure regulating part 1000 is located at one end away from switch base 100 of lower shake-up shell fragment 700, and upper part of touching between the upper opening pressure regulating part 900 of shell fragment 600 and upper initial opening pressure regulating part 1100 is aimed in lower opening pressure regulating part 1000 upper end.Touch the upper end of connecting rod 800 on lower shake-up shell fragment 700 between switch base 100 and lower opening pressure regulating part 1000, and the lower end of touching connecting rod 800 is connected with one end away from switch base 100 of lower movable contact piece 500.So that lower opening pressure regulating part 1000 promotes lower shake-up shell fragment 700 downwards, and so that touch connecting rod 800 to promote lower movable contact piece 500 downwards, thus can can improve the displacement transmitted sensitivity of interior pot 30, to improve pressure controlled precision thus.
Alternatively, as depicted in figs. 1 and 2, upper shake-up shell fragment 600 is provided with through hole on second, and the upper surface of upper shake-up shell fragment 600 is provided with second top nut 620 relative with lead to the hole site on described second.Upper opening pressure regulating part 900 is provided with external screw thread, upper opening pressure regulating part 900 through through hole on described second and threaded engagement in the second top nut 620, by rotating upper opening pressure regulating part 900, opening pressure regulating part 900 is regulated to stretch out the length of shake-up shell fragment 600 downwards.The lower end structure of upper opening pressure regulating part 900 is the truncated cone-shaped that cross-sectional area from top to bottom reduces gradually, and upper movable contact piece 400 away from one end of switch base 100 being provided with pilot hole, after the 900 times movements of upper opening pressure regulating part, the part of its truncated cone-shaped stretches in pilot hole to promote upper movable contact piece 400 downwards.
As depicted in figs. 1 and 2, lower shake-up shell fragment 700 is provided with lower through-hole, the lower surface of lower shake-up shell fragment 700 is provided with the lower nut 710 relative with described lower through-hole position, lower opening pressure regulating part 1000 is provided with external screw thread, lower opening pressure regulating part 1000 through described lower through-hole and threaded engagement in lower nut 710.By rotating lower opening pressure regulating part 1000, lower opening pressure regulating part 1000 is regulated to protrude upward the length of lower shake-up shell fragment 700.
In specific embodiments more of the present utility model, as depicted in figs. 1 and 2, switch base 100 has the installing plate 110 be positioned at below lower movable contact piece 500, and the lower jumping displacement regulating part 1200 that breaks can be located on installing plate 110 up or down.By regulate lower jumping break displacement regulating part 1200 protrude upward installing plate 110 length, finely tune with displacement of breaking to the jumping of lower switch group, thus jointly can regulate disconnection and the reset difference of lower switch group in conjunction with upper opening pressure regulating part 900.
Specifically, as depicted in figs. 1 and 2, the lower jumping displacement regulating part 1200 that breaks is positioned at the middle part of installing plate 110 length direction, and lower jumping is broken, the upper end of displacement regulating part 1200 is against the middle part on lower movable contact piece 500 length direction.Can ensure that lower jumping is broken the adjustment reliability of the supporting role of displacement regulating part 1200 to lower movable contact piece 500, the displacement regulating part 1200 that breaks with the stability and lower jumping that ensure lower movable contact piece 500 thus.
Alternatively, as depicted in figs. 1 and 2, installing plate 110 is provided with screwed hole, and lower jumping breaks displacement regulating part 1200 for bolt, and lower jumping breaks displacement regulating part 1200 threaded engagement in screwed hole, and lower jumping is broken, the nut of displacement regulating part 1200 is positioned at below installing plate 110.Lower can jump disconnected displacement regulating part 1200 by rotating thus, protruding upward the length of installing plate 110 to regulate the lower jumping displacement regulating part 1200 that breaks.
In concrete examples more of the present utility model, as depicted in figs. 1 and 2, each in upper movable contact piece 400 and lower movable contact piece 500 comprises lower reed 510, upper reed plate 520 and movable contact 530.
One end of lower reed 510 is arranged on switch base 100, and the other end of lower reed 510 is configured to stage portion 511 upwards.One end of upper reed plate 520 is connected in stage portion 511, and the other end of upper reed plate 520 tilts upward extension to switch base 100.Movable contact 530 is located on the upper surface of one end of the proximity switches seat 100 of upper reed plate 520.Both can ensure the reliability that movable contact 530 contacts with stationary contact part thus, movable contact piece 400 and lower movable contact piece 500 can be made again to have enough elasticity, break to facilitate to realize jumping.
Further, as depicted in figs. 1 and 2, lower reed 510 is provided with semi-circular groove, lower reed 510 by described semi-circular groove around part form lower elastic portion 512.Wherein, the break upper end of displacement regulating part 1200 of lower jumping can be against in the lower elastic portion 512 of lower movable contact piece 500.Upper reed plate 520 is provided with fluting, is connected with upper elastic portion 521 protruding upward between the two side relative on the length direction of upper reed plate 520 of described fluting.The elasticity of lower reed 510 and upper reed plate 520 can be improved thus further.
In specific embodiments more of the present utility model, as depicted in figs. 1 and 2, each in upper stationary contact part 200 and lower stationary contact part 300 comprises gripper shoe 310 and stationary contact 320.
Gripper shoe 310 is arranged on switch base 100.The lower surface that stationary contact 320 is located at gripper shoe 310 contacts with movable contact 530.
Wherein, in order to improve reliability when upper switch group is connected, one in the stationary contact 320 of upper stationary contact part 200 and the movable contact 530 of upper movable contact piece 400 is provided with semicircle boss and another is provided with semi-circular recesses, and described semicircle boss is engaged in described semi-circular recesses.
Significantly can reduce the requirement to machining accuracy and assembly precision according to the combination pressure switch 40 of the utility model embodiment, and good uniformity can be ensured.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this description or example can carry out engaging and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (15)
1. a combination pressure switch, is characterized in that, comprising:
Switch base;
Upper stationary contact part and lower stationary contact part, described upper stationary contact part and described lower stationary contact part are located on described switch base and described upper stationary contact part is positioned at above described lower stationary contact part;
Upper movable contact piece and lower movable contact piece, described upper movable contact piece to be located on described switch base and to be positioned at below described upper stationary contact part and to contact with described upper stationary contact part, and described lower movable contact piece to be located on described switch base and to be positioned at below described lower stationary contact part and to contact with described lower stationary contact part;
Upper shake-up shell fragment and lower shake-up shell fragment, described upper shake-up shell fragment to be located on described switch base and to be positioned at above described upper stationary contact part, described lower shake-up shell fragment to be located on described switch base and in the vertical direction on described between movable contact piece and described lower stationary contact part, described lower shake-up shell fragment is connected with described lower touch part by touching connecting rod, and described lower shake-up shell fragment promotes described lower movable contact piece downwards by described shake-up connecting rod and is separated with described lower stationary contact part to make described lower movable contact piece;
Upper opening pressure regulating part, described upper opening pressure regulating part can be located on described upper shake-up shell fragment and upper movable contact piece described in lower end aligned up or down, and described upper shake-up shell fragment promotes described upper movable contact piece downwards by described upper opening pressure regulating part and is separated with described upper stationary contact part to make described upper movable contact piece;
Lower opening pressure regulating part, described lower opening pressure regulating part can be located on described lower shake-up shell fragment and upper end up or down and aim at described upper shake-up shell fragment, and described upper shake-up shell fragment promotes described lower shake-up shell fragment downwards by described lower opening pressure regulating part.
2. combination pressure switch according to claim 1, is characterized in that, also comprises initial opening pressure regulating part, and described initial opening pressure regulating part can be located on described upper shake-up shell fragment up or down.
3. combination pressure switch according to claim 2, it is characterized in that, described initial opening pressure regulating part is located at one end away from described switch base of described upper shake-up shell fragment, described upper opening pressure regulating part touch on described on shell fragment described switch base and described between initial opening pressure regulating part, and one end away from described switch base of upper movable contact piece described in the lower end aligned of described upper opening pressure regulating part.
4. combination pressure switch according to claim 2, it is characterized in that, described upper shake-up shell fragment is provided with through hole on first, described upper shake-up shell fragment is provided with first top nut relative with lead to the hole site on described first, described disconnected initial opening pressure regulating part through through hole on described first and threaded engagement in described first top nut.
5. combination pressure switch according to claim 3, it is characterized in that, described lower opening pressure regulating part is located at one end away from described switch base of described lower shake-up shell fragment, and the part between the described upper opening pressure regulating part of described upper shake-up shell fragment and described initial opening pressure regulating part is aimed in the upper end of described lower opening pressure regulating part, described shake-up connecting rod on described lower shake-up shell fragment between described switch base and described lower opening pressure regulating part and the lower end of described shake-up connecting rod be connected with one end away from described switch base of described lower movable contact piece.
6. combination pressure switch according to claim 1, it is characterized in that, described upper shake-up shell fragment is provided with through hole on second, described upper shake-up shell fragment is provided with second top nut relative with lead to the hole site on described second, described upper opening pressure regulating part through through hole on described second and threaded engagement in described second top nut;
Described lower shake-up shell fragment is provided with lower through-hole, and described lower shake-up shell fragment is provided with the lower nut relative with described lower through-hole position, described lower opening pressure regulating part through described lower through-hole and threaded engagement in described lower nut.
7. combination pressure switch according to claim 1, is characterized in that, also comprises lower jumping and to break displacement regulating part, and the described lower jumping displacement regulating part that breaks can be located on described switch base and upper end up or down and is against on described lower movable contact piece.
8. combination pressure switch according to claim 7, is characterized in that, described switch base has the installing plate be positioned at below described lower movable contact piece, and the described lower jumping displacement regulating part that breaks can be located on described installing plate up or down.
9. combination pressure switch according to claim 8, is characterized in that, the described lower jumping displacement regulating part that breaks is positioned at the middle part of described installing plate length direction and upper end is against the middle part on described lower movable contact piece length direction.
10. combination pressure switch according to claim 8, it is characterized in that, described installing plate is provided with screwed hole, the described lower jumping displacement regulating part that breaks is bolt, and described lower jumping is broken, and in described screwed hole, and described lower jumping is broken, the nut of displacement regulating part is positioned at below described installing plate displacement regulating part threaded engagement.
11. combination pressure switch according to claim 1, is characterized in that, each in described upper movable contact piece and described lower movable contact piece comprises:
Lower reed, stage portion that one end of described lower reed is arranged on described switch base and the other end is configured to upwards;
Upper reed plate, one end of described upper reed plate is connected in described stage portion and the other end tilts upward extension to described switch base;
Movable contact, described movable contact is located on the upper surface of the described other end of described upper reed plate.
12. combination pressure switch according to claim 11, is characterized in that, described lower reed is provided with semi-circular groove, described lower reed by described semi-circular groove around part form lower elastic portion;
Described upper reed plate is provided with fluting, is connected with upper elastic portion protruding upward between the two side relative on the length direction of described upper reed plate of described fluting.
13. combination pressure switch according to claim 11, is characterized in that, each in described upper stationary contact part and described lower stationary contact part comprises:
Gripper shoe, described gripper shoe is arranged on described switch base;
Stationary contact, described stationary contact to be located on described gripper shoe lower surface and to contact with described movable contact.
14. combination pressure switch according to claim 13, it is characterized in that, one in the stationary contact of described upper stationary contact part and the movable contact of described upper movable contact piece is provided with semicircle boss and another is provided with semi-circular recesses, and described semicircle boss is engaged in described semi-circular recesses.
15. 1 kinds of pressure cookers, is characterized in that, comprising:
Outer pot;
Electric hot tray, described electric hot tray is arranged on described outer pot by elastic component, and described electric hot tray is provided with shift transmission part;
Interior pot, described interior pot to be located in described outer pot and to be supported on described electric hot tray;
Combination pressure switch, described combination pressure switch is the combination pressure switch according to any one of claim 1-14, the switch base of described combination pressure switch to be arranged on described outer pot and described in the lower end aligned of described shift transmission part on touch shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503049.4U CN204133166U (en) | 2014-09-02 | 2014-09-02 | Combination pressure switch and the pressure cooker with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503049.4U CN204133166U (en) | 2014-09-02 | 2014-09-02 | Combination pressure switch and the pressure cooker with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204133166U true CN204133166U (en) | 2015-02-04 |
Family
ID=52409899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420503049.4U Expired - Fee Related CN204133166U (en) | 2014-09-02 | 2014-09-02 | Combination pressure switch and the pressure cooker with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204133166U (en) |
-
2014
- 2014-09-02 CN CN201420503049.4U patent/CN204133166U/en not_active Expired - Fee Related
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20200902 |