CN211324339U - Pressure switch of electric pressure cooker - Google Patents

Abstract

The utility model relates to an electric pressure cooker pressure switch, including the fixed column, the long piece of rigidity and the short piece of rigidity of being connected with the fixed column, rotate the shell fragment of being connected and drive shell fragment pivoted trigger block with the long piece of rigidity, trigger block including run through in the long piece of rigidity and the screw that the shell fragment set up, with screw thread connection's block and the spring of overcoat screw rod department on the screw, spring elastic compression is between the long piece of shell fragment and rigidity. The utility model provides an electric pressure cooker pressure switch, its simple structure is compact, occupies space still less, can effective save material simultaneously, reduces the product cost.

Description

Pressure switch of electric pressure cooker

Technical Field

The utility model relates to a switch field especially relates to an electric pressure cooker pressure switch.

Background

With the increasing improvement of the living standard of people, the electric pressure cooker is effectively popularized, and electric pressure cookers are basically equipped for families. As an important kitchen appliance, the electric pressure cooker greatly reduces the difficulty of cooking, but brings additional safety problems, and the electric pressure cooker is damaged and even explodes due to overhigh pressure in the cooker. At present, the pressure of an inner cooker is adjusted through a pressure switch of the electric pressure cooker; specifically, constantly heating up in the pot and stepping up, interior pot will generate heat the dish and down push down, and pressure switch connects the dish that generates heat, and when the pressure value reached predetermined pressure, pressure switch cut off the power supply of mainboard, and the stop heating waits to cool off to the uniform temperature, and after the pressure drop, pressure switch was again with pressure cooker ohmic heating, so the circulation is repeated. However, the pressure switch of the traditional electric pressure cooker has a complex structure, needs to be formed by compounding five plates, has high manufacturing cost, and needs to be made of expensive pure copper to ensure the structural stability, so that the pressure switch of the electric pressure cooker is at a high price for a long time and is difficult to improve.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an electric pressure cooker pressure switch, its simple structure is compact, occupies still less space, can effectively save material simultaneously, reduces the product cost.

The purpose of the utility model is realized through the following technical scheme:

the pressure switch of the electric pressure cooker comprises a fixed column, a rigid long sheet and a rigid short sheet which are connected with the fixed column, an elastic sheet which is connected with the rigid long sheet in a rotating mode, and a trigger block which drives the elastic sheet to rotate, wherein the trigger block comprises a screw which runs through the rigid long sheet and the elastic sheet, a block body which is connected with the screw in a threaded mode, and a spring which is sleeved on the screw and is arranged at the position of a screw rod, and the spring is elastically compressed between the elastic sheet and the rigid long sheet.

Preferably, the fixing column is made of an insulating material, and the rigid long sheet, the rigid short sheet and the elastic sheet are made of conductive materials.

Preferably, the rigid long sheet is provided with a vertical sheet intersected with the plane where the rigid long sheet is located, the vertical sheet is provided with a connecting joint, and the elastic sheet takes the connecting joint as a center and is driven to rotate by the trigger block.

Preferably, the shell fragment includes the middle part straight piece, is located the first crooked piece and the first straight piece of middle part straight piece one side and is located the crooked piece of second and the straight piece of second of middle part straight piece opposite side, and first crooked piece and the crooked piece of second are connected with a middle part straight piece end, and first straight piece and second are connected with another end portion of middle part straight piece.

Preferably, there is the clearance between first crooked piece and the first straight piece, and there is the clearance between second crooked piece and the second straight piece, and the shell fragment has two vertical pieces and two connecting links, marks as first connecting link and second connecting link respectively, and first connecting link is located the clearance of first crooked piece and first straight piece, and the second connecting link is located the clearance of second crooked piece and second straight piece.

Preferably, the first bending piece is bent in the direction of the long rigid piece, and the second bending piece is bent in the direction of the long rigid piece.

Preferably, the first bending piece is provided with a first baffle, the first straight piece is provided with a second baffle, and the first connecting joint is enclosed by the first bending piece, the first baffle, the first straight piece and the second baffle; the second bent piece is provided with a third separation blade, the second straight piece is provided with a fourth separation blade, and the second connecting joint is enclosed by the second bent piece, the third separation blade, the second straight piece and the fourth separation blade.

Preferably, the rigid short piece is provided with a first contact, the elastic piece is provided with a second contact, when the elastic piece is not acted by external force, the first contact is contacted with the second contact and electrically connected with the second contact, the rigid long piece is provided with a bulge, and the center of the bulge, the center of the first contact and the center of the second contact are positioned on the same straight line.

Preferably, the rigid long sheet is provided with a long sheet trepanning sleeved on the fixed column and a long sheet binding post connected with an external circuit, and the rigid short sheet is provided with a short sheet trepanning sleeved on the fixed column and a short sheet binding post connected with the external circuit.

Preferably, the upright piece and the rigid long piece are integrally formed.

The utility model discloses compare in prior art's beneficial effect and be:

the utility model discloses an electric pressure cooker pressure switch is different from the five board composite construction that traditional structure is complicated, only needs three boards to realize the pressure switch function, can effectively reduce the required material quantity of preparation pressure switch, and need not to adopt expensive pure copper preparation, can effectively reduce the material unit price, can improve traditional electric pressure cooker pressure switch and be in high-priced current situation for a long time. The structure is simple and compact, occupies less space, and can effectively save materials and reduce the manufacturing cost of products.

Drawings

Fig. 1 is a three-dimensional structure diagram of a pressure switch of an electric pressure cooker in an embodiment of the present invention.

Fig. 2 is a three-dimensional structure diagram of the pressure switch of the electric pressure cooker in an embodiment of the present invention.

Fig. 3 is a side view of the pressure switch of the electric pressure cooker in an embodiment of the present invention.

Fig. 4 is a structural diagram of the elastic sheet according to an embodiment of the present invention.

Fig. 5 is a structural diagram of the elastic sheet according to an embodiment of the present invention.

Fig. 6 is a structural diagram of a rigid long piece according to an embodiment of the present invention.

Fig. 7 is a structural diagram of a rigid strip according to an embodiment of the present invention.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to specific embodiments and drawings.

Referring to fig. 1-7, an embodiment of the present invention includes:

the utility model provides an electric pressure cooker pressure switch, includingfixed column 1, thelong piece 2 of rigidity and the rigidityshort piece 3 of being connected withfixed column 1, with thelong piece 2 rotation ofrigidity shell fragment 4 of being connected, anddrive shell fragment 4 pivoted trigger block 5, trigger block 5 is including running through in thelong piece 2 of rigidity and thescrew 6 that theshell fragment 4 set up, with theblock 7 of 6 threaded connection of screw, and thespring 8 of overcoat screw rod department onscrew 6,spring 8 elastic compression is betweenshell fragment 4 and thelong piece 2 of rigidity. Thefixed column 1 is made of an insulating material, and the rigidlong sheet 2, the rigidshort sheet 3 and theelastic sheet 4 are made of conductive materials.

The rigidlong sheet 2 is provided with avertical sheet 9 intersected with the plane where the rigidlong sheet 2 is located, thevertical sheet 9 is provided with a connecting joint, and theelastic sheet 4 is driven to rotate by the trigger block 5 by taking the connecting joint as a center. Theelastic sheet 4 comprises a middlestraight sheet 10, afirst bent sheet 11 and a firststraight sheet 12 which are positioned on one side of the middlestraight sheet 10, and asecond bent sheet 13 and a secondstraight sheet 14 which are positioned on the other side of the middlestraight sheet 10, wherein thefirst bent sheet 11 and thesecond bent sheet 13 are connected with one end part of the middlestraight sheet 10, and the firststraight sheet 12 and the secondstraight sheet 14 are connected with the other end part of the middlestraight sheet 10. There is the clearance between firstcrooked piece 11 and firststraight piece 12, and there is the clearance between secondcrooked piece 13 and secondstraight piece 14, andshell fragment 4 has two vertical slices and two connecting links, marks as first connectinglink 15 and second connectinglink 16 respectively, and first connectinglink 15 is located the clearance of firstcrooked piece 11 and firststraight piece 12, and second connectinglink 16 is located the clearance of secondcrooked piece 13 and secondstraight piece 14. Thefirst bending piece 11 is bent toward the longrigid piece 2, and thesecond bending piece 13 is bent toward the longrigid piece 2.

Thefirst bent piece 11 is provided with afirst baffle piece 17, the firststraight piece 12 is provided with asecond baffle piece 18, and the first connectingjoint 15 is enclosed by thefirst bent piece 11, thefirst baffle piece 17, the firststraight piece 12 and thesecond baffle piece 18; thesecond bending piece 13 is provided with athird baffle piece 19, the secondstraight piece 14 is provided with afourth baffle piece 20, and the second connectingjoint 16 is enclosed by thesecond bending piece 13, thethird baffle piece 19, the secondstraight piece 14 and thefourth baffle piece 20. The rigidshort sheet 3 is provided with afirst contact 21, theelastic sheet 4 is provided with asecond contact 22, when theelastic sheet 4 is not acted by external force, thefirst contact 21 is contacted with thesecond contact 22 and is electrically connected, the rigidlong sheet 2 is provided with abulge 23, and the center of thebulge 23, the center of thefirst contact 21 and the center of thesecond contact 22 are positioned on the same straight line. The rigidlong sheet 2 is provided with along sheet trepanning 24 sleeved on thefixed column 1 and a longsheet binding post 25 connected with an external circuit, and the rigidshort sheet 3 is provided with a short sheet trepanning sleeved on thefixed column 1 and a shortsheet binding post 26 connected with the external circuit. Theupright piece 9 is integrally formed with the rigidlong piece 2.

The working principle is as follows, the fixedcolumn 1 is firmly fixed in the electric pressure cooker, theblock body 7 is contacted with the inner cooker, when the pressure of the inner cooker is smaller than the preset pressure, thespring plate 4 keeps thesecond contact 22 on the spring plate to be contacted with thefirst contact 21 under the combined action of the spring, thefirst bending piece 11 and thesecond bending piece 13, at the moment, the circuit of the heating system in the electric pressure cooker is switched on, and the heating system in the electric pressure cooker heats the inner cooker; when interior pot pressure is greater than predetermined pressure,block 7 is down and contact and the extrusion withshell fragment 4, andshell fragment 4 is down because of receiving the pressure effect underblock 7, and whenshell fragment 4 arrived inflection point department down,shell fragment 4 can take place to rotate, andshell fragment 4 usesupright piece 9 to rotate as the center of rotation this moment, rotates the back, andsecond contact 22 separates withfirst contact 21, and the interior heating system circuit of electric pressure cooker breaks off this moment, and the heating of the interior pot pause of electric pressure cooker internal heating system. Heating is repeated until the preset heating time is reached.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims (10)

1. The pressure switch of the electric pressure cooker is characterized by comprising a fixed column (1), a rigid long sheet (2) and a rigid short sheet (3) which are connected with the fixed column (1), an elastic sheet (4) which is rotationally connected with the rigid long sheet (2) and a trigger block (5) which drives the elastic sheet (4) to rotate, wherein the trigger block (5) comprises a screw (6) which is arranged by penetrating through the rigid long sheet (2) and the elastic sheet (4), a block body (7) which is in threaded connection with the screw (6) and a spring (8) which is sleeved on the screw (6) and is positioned at a screw rod, and the spring (8) is elastically compressed between the elastic sheet (4) and the rigid long sheet (2).

2. The pressure switch of the electric pressure cooker according to claim 1, wherein the fixed column (1) is made of an insulating material, and the rigid long sheet (2), the rigid short sheet (3) and the elastic sheet (4) are made of a conductive material.

3. The pressure switch of the electric pressure cooker according to claim 1, characterized in that the rigid long sheet (2) is provided with a vertical sheet (9) intersecting with the plane of the rigid long sheet (2), the vertical sheet (9) is provided with a connecting joint, and the spring sheet (4) is driven to rotate by the trigger block (5) with the connecting joint as the center.

4. The pressure switch of the electric pressure cooker according to claim 1, wherein the elastic sheet (4) comprises a middle straight sheet (10), a first bent sheet (11) and a first straight sheet (12) which are positioned on one side of the middle straight sheet (10), and a second bent sheet (13) and a second straight sheet (14) which are positioned on the other side of the middle straight sheet (10), wherein the first bent sheet (11) and the second bent sheet (13) are connected with one end part of the middle straight sheet (10), and the first straight sheet (12) and the second straight sheet (14) are connected with the other end part of the middle straight sheet (10).

5. Pressure switch of electric pressure cooker according to claim 4, characterized in that there is a gap between the first bent piece (11) and the first straight piece (12), and a gap between the second bent piece (13) and the second straight piece (14), and the elastic piece (4) has two upright pieces and two connecting joints, respectively designated as first connecting joint (15) and second connecting joint (16), and the first connecting joint (15) is located in the gap between the first bent piece (11) and the first straight piece (12), and the second connecting joint (16) is located in the gap between the second bent piece (13) and the second straight piece (14).

6. Pressure switch of an electric pressure cooker according to claim 4, characterized in that said first bent tab (11) is bent towards the rigid long tab (2) and said second bent tab (13) is bent towards the rigid long tab (2).

7. The pressure switch of the electric pressure cooker according to claim 5, characterized in that the first bent piece (11) is provided with a first blocking piece (17), the first straight piece (12) is provided with a second blocking piece (18), and the first connecting joint (15) is enclosed by the first bent piece (11), the first blocking piece (17), the first straight piece (12) and the second blocking piece (18); the second bending piece (13) is provided with a third baffle piece (19), the second straight piece (14) is provided with a fourth baffle piece (20), and the second connecting section (16) is enclosed by the second bending piece (13), the third baffle piece (19), the second straight piece (14) and the fourth baffle piece (20) together.

8. The pressure switch of the electric pressure cooker according to claim 1, wherein the rigid short piece (3) is provided with a first contact (21), the elastic piece (4) is provided with a second contact (22), when the elastic piece (4) is not acted by an external force, the first contact (21) is in contact with the second contact (22) and is electrically connected with the second contact, the rigid long piece (2) is provided with a bulge (23), and the center of the bulge (23), the center of the first contact (21) and the center of the second contact (22) are positioned on the same straight line.

9. The pressure switch of the electric pressure cooker according to claim 1, characterized in that the rigid long piece (2) is provided with a long piece trepanning hole (24) sleeved on the fixed column (1) and a long piece binding post (25) connected with an external circuit, and the rigid short piece (3) is provided with a short piece trepanning hole sleeved on the fixed column (1) and a short piece binding post (26) connected with the external circuit.

10. Pressure switch of an electric pressure cooker according to claim 3, characterized in that said upright tab (9) is integrally formed with said rigid elongated tab (2).

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