CN209789514U - Closing detection switch for electric pressure cooker cover - Google Patents
Closing detection switch for electric pressure cooker cover Download PDFInfo
- Publication number
- CN209789514U CN209789514U CN201822192472.8U CN201822192472U CN209789514U CN 209789514 U CN209789514 U CN 209789514U CN 201822192472 U CN201822192472 U CN 201822192472U CN 209789514 U CN209789514 U CN 209789514U
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- mounting hole
- detection switch
- pressure cooker
- electric pressure
- shell
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Abstract
The utility model discloses a closed detection switch of electric pressure cooker pot cover, including casing, micro-gap switch and sealed cap, be provided with the mounting hole that has the spacing ring on the casing, sealed cap upper end is worn to establish lie in the casing upper end behind the mounting hole, sealed cap lower extreme be provided with support tightly in the holding ring of terminal surface under the spacing ring, the micro-gap switch upper end peg graft in the sealed cap, still be provided with on the casing and be used for the location micro-gap switch's reference column, the mounting hole intussuseption is filled with sealed glue. The utility model has the advantages of it is following and effect: through will sealing the cap location inside the casing, effectually avoided droing of sealed cap, on the other hand passes through the location of reference column to micro-gap switch, and micro-gap switch compresses tightly sealed cap, and sealed cap has higher leakproofness.
Description
Technical Field
The utility model relates to a micro-gap switch's technical field, in particular to electric pressure cooker pot cover closure detection switch.
Background
the microswitch is a switch having a minute contact interval and a snap action mechanism, which is a contact mechanism for performing a switching operation with a predetermined stroke and a predetermined force, covered with a case, and having a drive lever outside. The switch is characterized in that external mechanical force acts on an action reed through a transmission element to enable a fixed contact and a movable contact at the tail end of the switch to be quickly connected or disconnected.
Chinese patent "electric pressure cooker cover closed detection switch" with publication number CN207912553U discloses a detection switch, is equipped with the through-hole that runs through from top to bottom on the mounting bracket of casing, is equipped with micro-gap switch in the through-hole, last seal assembly and lower seal assembly in the through-hole, goes up seal assembly including the sealing washer and the sealed glue that covers the through-hole upside, and the sealing washer includes just to touching the extrusion portion of button position, embedding veneer portion between spacing post and the mounting bracket and the transition portion of connecting extrusion portion, veneer portion, the sealing washer links to each other with the mounting bracket through sealed glue in veneer portion.
Through last seal assembly and lower seal assembly with micro-gap switch sealed in the casing, avoid steam infiltration, but the sealing washer among the last seal assembly is only through sealed gluey location on the mounting bracket, and sealed glue is not complete the adhesion together with the mounting bracket. The detection switch is always in the environment of steam, colloid aging can occur to a certain extent, and deformation is caused, so that the whole sealing ring falls off from the shell to influence the use of the switch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric pressure cooker pot cover closure detection switch has the firm effect of switch structure installation.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an electric pressure cooker pot cover closure detection switch, includes casing, micro-gap switch and sealed cap, be provided with the mounting hole that has the spacing ring on the casing, sealed cap upper end is worn to establish lie in the casing upper end behind the mounting hole, sealed cap lower extreme be provided with support tightly in the holding ring of terminal surface under the spacing ring, the micro-gap switch upper end peg graft in sealed cap, still be provided with on the casing and be used for the location micro-gap switch's reference column, the packing has sealed glue in the mounting hole.
Through adopting above-mentioned technical scheme, sealed cap up pegs graft in the mounting hole from the casing bottom, and the casing is worn to establish out in the upper end of sealed cap, and the holding ring of lower extreme is spacing by the spacing ring in the mounting hole, and later place micro-gap switch and adopt a reference column to fix a position micro-gap switch in the mounting hole after, the micro-gap switch upper end will seal the cap and support tightly, and mutual butt is realized sealing between sealed cap and the casing, finally fills in the mounting hole and is full of sealed glue and carries out secondary seal. Compare in prior art seal cap by location in the mounting hole all the time, no matter how long time of using, seal cap can not drop from the casing again.
The utility model discloses a further set up to: the lower end of the limiting ring is convexly provided with an annular bulge, and the upper end face of the positioning ring is provided with an annular groove for the insertion of the annular bulge.
Through adopting above-mentioned technical scheme, the back is pegged graft in the mounting hole to the sealing cap, and the annular bulge inlays to be established in the annular groove of holding ring, and sealing cap and spacing ring area of contact increase have prolonged vapor permeation's route, and then have improved the leakproofness between sealing cap and the casing.
The utility model discloses a further set up to: the mounting hole further comprises a sealing groove located above the limiting ring, and sealing glue is filled in the sealing groove.
Through adopting above-mentioned technical scheme, be provided with the seal groove that supplies sealed glue to fill above the mounting hole for seal cap and casing upper end through sealed glue and seal, avoid steam to permeate the mounting hole of casing from the casing upper end and influence micro-gap switch.
The utility model discloses a further set up to: the microswitch comprises an insulating base and a touch button positioned on the insulating base, the touch button is inserted in the sealing cap, the positioning column is inserted on the shell, and the side end face of the positioning column abuts against the lower end face of the insulating base.
Through adopting above-mentioned technical scheme, the touching button in micro-gap switch pegs graft in the sealing cap, and then insulating base upper end butt is in the lower terminal surface of holding ring, and the lower extreme is fixed a position through a reference column. Through the reference column on the one hand with whole micro-gap switch location in the casing, on the other hand compresses tightly insulating base towards the holding ring, forces the holding ring to compress tightly on the spacing ring, and then increases the leakproofness of whole switch.
The utility model discloses a further set up to: and positioning holes for the positioning columns to be inserted are formed in the side walls of the two sides of the shell.
By adopting the technical scheme, the positioning column is directly inserted into the positioning hole of the shell and then positioned, and finally the positioning column is positioned on the shell through the sealant filled in the mounting hole.
the utility model discloses a further set up to: the shell is provided with a plurality of positioning convex strips which are used for abutting against the outer wall of the insulating base on the inner wall of the mounting hole.
Through adopting above-mentioned technical scheme, the setting up of location sand grip realizes on the one hand that the casing is to insulating base's preliminary location, also in order to increase the clearance between mounting hole and the insulating base on the other hand, and then the casing can be filled more sealed glues and be used for sealing up whole micro-gap switch.
The utility model discloses a further set up to: the lower end of the insulating base is provided with a wiring terminal located in the mounting hole, and a wire assembly is connected to the wiring terminal.
Through adopting above-mentioned technical scheme, the terminal is also sealed with sealed glue after having connected wire assembly, ensures whole detection switch's steady operation.
The utility model discloses a further set up to: one side of the upper end of the shell is further rotatably connected with a pressing rod, and the lower end face of the pressing rod is abutted to the top end of the sealing cap.
Through adopting above-mentioned technical scheme, increase the arm of force through the depression bar for can push the touch button in the sealing cap with littleer power and trigger micro-gap switch.
The utility model discloses a further set up to: the mounting columns with guide surfaces at the upper ends are arranged on two sides of the shell, and the connecting plate inserted into the mounting columns is arranged at one end of the pressure rod.
Through adopting above-mentioned technical scheme, the setting of spigot surface can be so that the connecting plate on the depression bar is easier through opening the erection column, also can not drop easily when the cover is established the location on the erection column.
To sum up, the utility model discloses following beneficial effect has: through will sealing the cap location inside the casing, effectually avoided droing of sealed cap, on the other hand passes through the location of reference column to micro-gap switch, and micro-gap switch compresses tightly sealed cap, and sealed cap has higher leakproofness.
Drawings
FIG. 1 is a schematic diagram of a detection switch;
FIG. 2 is a cross-sectional view of the detection switch;
FIG. 3 is an enlarged schematic view of section A of FIG. 2;
FIG. 4 is a schematic structural view of the housing;
Fig. 5 is an exploded schematic view of the structure of the shell, the sealing cap and the micro-control switch.
In the figure: 1. a housing; 1-1, mounting a plate; 1-2, fixing holes; 2. a microswitch; 3. a sealing cap; 4. mounting holes; 5. a limiting ring; 6. a positioning ring; 7. a positioning column; 8. sealing glue; 9. an annular projection; 10. an annular groove; 11. a sealing groove; 12. an insulating base; 13. touching a button; 14. a binding post; 15. positioning holes; 16. positioning the convex strip; 17. an electrical wire assembly; 18. a pressure lever; 19. mounting a column; 20. a guide surface; 21. a connecting plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A pot cover closing detection switch of an electric pressure cooker refers to fig. 1 and 2 and comprises a shell 1, wherein a through mounting hole 4 is formed in the middle of the shell 1, mounting plates 1-1 are arranged on two sides of the shell, and fixing holes 1-2 are formed in the mounting plates 1-1 and used for penetrating through bolts to fix the whole detection switch. Be provided with micro-gap switch 2 in the mounting hole 4 of casing 1, wire assembly 17 enters into the mounting hole 4 and is connected with micro-gap switch 2 from the downside, and casing 1 still is provided with a sealed cap 3 on mounting hole 4 and is used for sealing micro-gap switch 2's upper end and casing 1. One end of the shell 1 is also rotatably connected with a pressure lever 18, the lower end of the pressure lever 18 is placed on the sealing cap 3, and the pressure lever 18 is pressed to press the sealing cap 3.
Referring to fig. 2 and 3, the casing 1 is further convexly provided with a circle of limiting ring 5 at the middle upper end of the mounting hole 4, the mounting hole 4 at the upper end of the limiting ring 5 is a sealing groove 11, the sealing groove 11 is inserted upwards from the lower end of the mounting hole 4, the upper end of the sealing groove penetrates through the limiting ring 5 and protrudes out of the upper end of the casing 1, and the upper end of the sealing cap 3 can be abutted to the pressure rod 18. Inside being the cavity form and being arranged in supplying micro-gap switch 2 to touch button 13 grafting of 3 inside sealed caps, 3 outer terminal surface an organic whole of lower extreme of sealed caps are provided with round holding ring 6, and this holding ring 6 location is terminal surface under the spacing ring 5 in mounting hole 4 after sealed caps 3 wear to establish mounting hole 4.
referring to fig. 3, the middle part of the lower end of the limiting ring 5 is provided with a circle of annular bulge 9 in a downward protruding manner, and the section of the annular bulge 9 is rectangular. On the other hand, the upper end surface of the positioning ring 6 of the sealing cap 3 is concavely provided with a circle of annular groove 10, and after the sealing cap 3 is inserted into the limiting ring 5, the annular protrusion 9 can be inserted into the annular groove 10 on the positioning ring 6. Realize fixing a position sealing cap 3 on the one hand, avoid sealing cap 3 to break away from in the mounting hole 4, on the other hand has increased the area of contact between spacing ring 5 and the sealing cap 3 to increase leakproofness between the two.
Referring to fig. 2 and 4, the microswitch 2 comprises an insulating base 12 in which components are arranged, a touch button 13 arranged at the upper end of the insulating base 12 and inserted into the sealing cap 3, and a terminal 14 arranged at the lower end of the insulating base 12 and used for connecting a wire assembly 17. The post 14 on the insulating base 12 is arranged in the mounting hole 4, and the wire assembly 17 and the terminal of the post 14 are positioned in the mounting hole 4. A plurality of positioning convex strips 16 are convexly arranged on the peripheral side of the inner wall of the mounting hole 4, and when the insulating base 12 is inserted into the mounting hole 4, the peripheral side of the insulating base 12 is clamped and positioned on the positioning convex strips 16 for positioning.
Referring to fig. 2 and 5, a group of positioning holes 15 are formed in two side walls of the middle of the shell 1, a positioning column 7 is inserted into each positioning hole 15, and the distance between the highest point of the side wall of each positioning column 7 and the corresponding limiting ring 5 is smaller than the sum of the lengths of the positioning ring 6 and the insulating base 12. After the insulating base 12 is inserted into the mounting hole 4, the positioning column 7 is inserted into the positioning hole 15, and the side wall of the positioning column 7 abuts against the lower end face of the insulating base 12, so that the insulating base 12 is positioned in the mounting hole 4 by the positioning column 7. Through the compressing tightly of reference column 7 to insulating base 12 for insulating base 12 can compress tightly the sealing cap 3 of upper end, and then strengthens the leakproofness between sealing cap 3 and the spacing ring 5.
Referring to fig. 5, two end faces of one side of the upper end of the housing 1 are respectively provided with a mounting post 19, the front end of the mounting post 19 is provided with a guide surface 20, when two connecting plates 21 arranged at one end of the pressure lever 18 are mounted on the mounting post 19, the guide surfaces 20 are arranged to facilitate the two connecting plates 21 to be mutually spread apart, and then when through holes in the connecting plates 21 pass through the mounting post 19, the connecting plates 21 are positioned and rotated on the mounting post 19.
After the sealing cap 3 and the microswitch 2 are installed, the mounting hole 4 is filled with waterproof sealant 8, the mounting hole 4 is completely sealed, and the sealant 8 is made of epoxy resin. The sealing groove 11 of the mounting hole 4 at the upper end of the limiting ring 5 is filled with the sealing glue 8, and the gap between the sealing cap 3 and the limiting ring 5 is filled and sealed.
the specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an electric pressure cooker pot cover closure detection switch, includes casing (1), micro-gap switch (2) and sealing cap (3), its characterized in that: the sealing device is characterized in that a mounting hole (4) with a limiting ring (5) is formed in the shell (1), the upper end of the sealing cap (3) penetrates through the mounting hole (4) and then is located in the upper end of the shell (1), the lower end of the sealing cap (3) is provided with a positioning ring (6) which abuts against the lower end face of the limiting ring (5), the upper end of the microswitch (2) is inserted into the sealing cap (3), a positioning column (7) used for positioning the microswitch (2) is further arranged on the shell (1), and a sealant (8) is filled in the mounting hole (4).
2. The electric pressure cooker cover closure detection switch of claim 1, characterized in that: the lower end of the limiting ring (5) is convexly provided with an annular bulge (9), and the upper end face of the positioning ring (6) is provided with an annular groove (10) for the insertion of the annular bulge (9).
3. The closing detection switch of the cover of the electric pressure cooker as claimed in claim 2, characterized in that: the mounting hole (4) further comprises a sealing groove (11) located above the limiting ring (5), and a sealing glue (8) is filled in the sealing groove (11).
4. The closing detection switch of the cover of the electric pressure cooker as claimed in claim 3, wherein: the microswitch (2) comprises an insulating base (12) and a touch button (13) positioned on the insulating base (12), the touch button (13) is inserted in the sealing cap (3), the positioning column (7) is inserted in the shell (1), and the side end face of the positioning column abuts against the lower end face of the insulating base (12).
5. The electric pressure cooker cover closure detection switch of claim 4, characterized in that: the side walls of the two sides of the shell (1) are provided with positioning holes (15) for the positioning columns (7) to be inserted.
6. The closing detection switch of the cover of the electric pressure cooker according to claim 5, characterized in that: the inner wall of the mounting hole (4) of the shell (1) is provided with a plurality of positioning convex strips (16) which are used for abutting against the outer wall of the insulating base (12).
7. The closing detection switch of the cover of the electric pressure cooker as claimed in claim 6, wherein: the lower end of the insulating base (12) is provided with a binding post (14) located in the mounting hole (4), and the binding post (14) is connected with a wire assembly (17).
8. The closing detection switch of the cover of the electric pressure cooker according to claim 1 or 7, characterized in that: one side of the upper end of the shell (1) is further rotatably connected with a pressure lever (18), and the lower end face of the pressure lever (18) is abutted to the top end of the sealing cap (3).
9. The closing detection switch of the cover of the electric pressure cooker as claimed in claim 8, wherein: the improved structure is characterized in that mounting columns (19) with guide surfaces (20) arranged at the upper ends are arranged on the two sides of the shell (1), and a connecting plate (21) inserted into the mounting columns (19) is arranged at one end of the pressure lever (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822192472.8U CN209789514U (en) | 2018-12-25 | 2018-12-25 | Closing detection switch for electric pressure cooker cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822192472.8U CN209789514U (en) | 2018-12-25 | 2018-12-25 | Closing detection switch for electric pressure cooker cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209789514U true CN209789514U (en) | 2019-12-17 |
Family
ID=68818618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822192472.8U Active CN209789514U (en) | 2018-12-25 | 2018-12-25 | Closing detection switch for electric pressure cooker cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209789514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109393960A (en) * | 2018-12-25 | 2019-03-01 | 乐清市通达有线电厂 | A kind of electric pressure cooker cover occlusion detection switch |
-
2018
- 2018-12-25 CN CN201822192472.8U patent/CN209789514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109393960A (en) * | 2018-12-25 | 2019-03-01 | 乐清市通达有线电厂 | A kind of electric pressure cooker cover occlusion detection switch |
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