CN210778351U - Sealed refrigerator door switch - Google Patents
Sealed refrigerator door switch Download PDFInfo
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- CN210778351U CN210778351U CN201922108345.XU CN201922108345U CN210778351U CN 210778351 U CN210778351 U CN 210778351U CN 201922108345 U CN201922108345 U CN 201922108345U CN 210778351 U CN210778351 U CN 210778351U
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Abstract
The utility model discloses a canned type refrigerator door switch, including base and gluey lid, the base is equipped with exocoel and inner chamber, is equipped with the through-hole between exocoel and the inner chamber, and through-hole department is equipped with seal assembly and sealing oil, realizes the sealed of base exocoel and inner chamber through seal assembly and sealing oil, glues lid and base sealing connection, and the lid fits the inner chamber, and the exocoel is equipped with presses down the subassembly, and the inner chamber is equipped with the terminal subassembly, and runs through the through-hole through the pivot and carry out interconnect, and the one end of terminal subassembly is passed and is glued the lid and locate and glue the lid outside. Set up seal assembly and sealing oil in through-hole department, base and rubber cover carry out sealing connection simultaneously, seal up equally between terminal subassembly and the rubber cover, carry out waterproof explosion-proof to the refrigerator door switch, other sealed modes still can be adopted to its sealed mode, protect the terminal subassembly of inner chamber, reach switch IP67 sealing function to improve travel switch's life, and improve the security performance.
Description
Technical Field
The utility model relates to a switching device for break-make circuit, in particular to canned type refrigerator door switch.
Background
The switch device for switching on and off the circuit is named as a travel switch or a position switch (also called a limit switch) in the technical name, and is a common small-current master control electrical appliance. The contact of the mechanical motion part is operated by the collision to realize the connection or disconnection of the control circuit, thereby achieving a certain control purpose. Generally, such switches are used to limit the position or stroke of the movement of the machine, so that the moving machine can automatically stop, move in reverse, shift or automatically move back and forth according to a certain position or stroke.
Travel switches are arranged in the existing refrigerator, when a refrigerator door is opened, a light source in the refrigerator is turned on, so that illumination is facilitated, and when the refrigerator door is closed, the light source in the refrigerator is turned off; because the cold air of refrigerator can form the ponding condition, and current refrigerator travel switch does not all design into sealed form, so the cold air in the refrigerator enters into travel switch easily inside, makes its inside ponding, damages travel switch, and more seriously can cause the damage to the refrigerator, causes the potential safety hazard, consequently, it is necessary to carry out sealed design to the travel switch in the refrigerator.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a canned type refrigerator door switch that can effectively seal and improve life and peaceful and quiet performance.
For solving the above technical problem, the utility model discloses can adopt following technical scheme to realize:
the sealing type refrigerator door switch comprises a base and a rubber cover, wherein the base is provided with an outer cavity and an inner cavity, a through hole is formed between the outer cavity and the inner cavity, a sealing assembly and sealing oil are arranged at the through hole, the outer cavity and the inner cavity of the base are sealed through the sealing assembly and the sealing oil, the rubber cover is connected with the base in a sealing mode and covers the inner cavity, the outer cavity is provided with a pressing assembly, a terminal assembly is arranged in the inner cavity and penetrates through the through hole through a rotating shaft to be connected with each other, one end of the terminal assembly penetrates through the rubber cover to be arranged outside the rubber cover, and the terminal assembly and the rubber.
Furthermore, the pressing assembly comprises a button and a torsion spring, a torsion spring arm on the torsion spring is abutted to one side of the lower end of the button, the terminal assembly comprises a static terminal assembly and a moving plate assembly, one end of the rotating shaft is connected with the button, and the other end of the rotating shaft is connected with the moving plate assembly in a shifting mode.
Furthermore, the seal assembly comprises a seal box and a first seal ring, the seal box is arranged in the outer cavity, the seal oil is filled in the seal box, one end of the rotating shaft penetrates through the seal box to be connected with the pressing assembly, and the first seal ring is sleeved on the rotating shaft and arranged in the seal box.
Further, the sealing assembly comprises a first groove and a second sealing ring, the first groove is arranged in the inner cavity and is arranged outside the through hole, one end of the rotating shaft, which is arranged in the inner cavity, is provided with a clamping block matched with the first groove, a second groove is formed between the clamping block and the rotating shaft, the sealing oil is filled in the first groove and/or the second groove, and the second sealing ring is arranged in the first groove and/or the second groove.
Furthermore, the joint of the base and the rubber cover is provided with a first rubber adding groove, and a first sealing rubber is added in the first rubber adding groove.
Further, be equipped with the seal groove on the base to locate the inner chamber outside, be equipped with sealed the pad in the seal groove, seal base and gluey lid through sealed the pad.
Further, be equipped with the welding groove on the base, be equipped with the welding muscle on the gluey lid, weld through ultrasonic wave or laser to welding groove and welding muscle and weld sealedly.
Furthermore, the glue cover is provided with a second glue adding groove, the second glue adding groove is formed in the periphery of the position, penetrating through the glue cover, of the terminal assembly, and a second sealant is added into the second glue adding groove.
Furthermore, the terminal assembly and the rubber cover are sealed by adopting integral plastic coating.
Furthermore, plastic wrapping is adopted between the terminal assembly and the rubber cover and between the rubber cover and the base for sealing.
The utility model has the advantages that: the utility model discloses canned type refrigerator door switch sets up exocoel and inner chamber on the base respectively, sets up seal assembly and sealing oil between exocoel and inner chamber simultaneously and seals, and seal connection is carried out between base and the rubber cover equally, and terminal assembly and rubber cover also seal; the outer cavity and the inner cavity are sealed through the sealing assembly and the sealing oil, the base is connected with the rubber cover in a sealing mode, the terminal assembly is connected with the rubber cover in a sealing mode, the switch is subjected to waterproof and explosion-proof treatment, the terminal assembly in the inner cavity is protected, the service life of the travel switch is prolonged, and safety performance is improved.
Drawings
Fig. 1 is a schematic view of a sealed refrigerator door switch of the present invention;
FIG. 2 is an exploded view of the sealed refrigerator door of the present invention;
FIG. 3 is a schematic view of the base structure of the sealing type refrigerator door switch of the present invention;
FIG. 4 is a schematic view of a seal assembly according to an embodiment of the sealed type refrigerator door switch of the present invention;
FIG. 5 is a cross-sectional view of a seal assembly according to an embodiment of the sealed type refrigerator door switch of the present invention;
FIG. 6 is a schematic structural view of a second seal assembly of the sealed type refrigerator door switch of the present invention;
FIG. 7 is a sectional view of a second seal assembly of the sealed type refrigerator door switch of the present invention;
FIG. 8 is a schematic view of a second embodiment of the sealing type refrigerator door switch of the present invention;
FIG. 9 is a schematic view showing the sealing connection between the base and the rubber cover in the third and fourth embodiments of the sealed type refrigerator door switch of the present invention;
FIG. 10 is a schematic view showing the sealing connection between the base and the rubber cover in the fourth embodiment of the sealed type refrigerator door switch of the present invention;
FIG. 11 is a schematic view showing the sealing connection between the base and the rubber cover in the fifth embodiment of the sealed type refrigerator door switch of the present invention;
fig. 12 is a schematic view showing the terminal assembly and the rubber cover in the seventh embodiment of the sealed type refrigerator door switch of the present invention;
fig. 13 is a schematic view of the sealing connection between the terminal assembly and the rubber cover and between the rubber cover and the base in the eighth embodiment of the sealed type refrigerator door switch of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the product of the present invention with reference to the embodiments and the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 5, a sealed refrigerator door switch includes a base 1 and a rubber cover 2, the base 1 is provided with an outer cavity 3 and an inner cavity 4, a through hole 5 is provided between the outer cavity 3 and the inner cavity 4, a sealing assembly 6 and a sealing oil 7 are provided at the through hole 5, the outer cavity 3 and the inner cavity 4 of the base 1 are sealed by the sealing assembly 6 and the sealing oil 7, the rubber cover 2 is hermetically connected with the base 1 and covers the inner cavity 4, the outer cavity 3 is provided with a pressing assembly 8, the inner cavity 4 is provided with a terminal assembly 9 and is interconnected by a rotating shaft 10 penetrating through the through hole 5, one end of the terminal assembly 9 passes through the rubber cover 2 and is provided outside the rubber cover 2, the terminal assembly 9 and the rubber cover 2 are sealed, the pressing assembly 8 includes a button 81 and a torsion spring 82, a torsion spring arm 83 on the torsion spring 82 abuts against one side of a lower end of the button 81, the terminal assembly 9 includes a static terminal assembly, one end of the rotating shaft 10 is connected with the button 81, the other end of the rotating shaft is connected with the moving plate assembly 92 in a shifting manner, the sealing assembly 6 comprises a sealing box 61 and a first sealing ring 62, the sealing box 61 is arranged in the outer cavity 3, the sealing oil 7 is filled in the sealing box 61, one end of the rotating shaft 10 penetrates through the sealing box 61 to be connected with the pressing assembly 8, and the first sealing ring 62 is sleeved on the rotating shaft 10 and arranged in the sealing box 61.
In this embodiment, sealing between outer chamber 3 and inner chamber 4, adopt seal box 61 and first sealing washer 62 to seal, set up seal box 61 in outer chamber 3, and pack sealing oil 7 in seal box 61, establish first sealing washer 62 cover on pivot 10, seal the gap between pivot 10 and through-hole 5 through first sealing washer 62 and sealing oil 7, be convenient for protect terminal subassembly 9 of inner chamber 4, and when sealing up, can not influence the rotation of pivot 10, make refrigerator door switch can normal operating, thereby carry out sealing process such as waterproof, dustproof and explosion-proof to inner chamber 4, improve the life and the security performance of refrigerator door switch.
Example two:
as shown in fig. 6 to 8, the sealing assembly 6 includes a first groove 63 and a second sealing ring 64, the first groove 63 is disposed in the inner cavity 4 and is disposed outside the through hole 5, the rotating shaft 10 is disposed at one end of the inner cavity 4 and is provided with a locking block 11 matched with the first groove 63, a second groove 12 is formed between the locking block 11 and the rotating shaft 10, the first groove 63 and the second groove 12 are filled with the sealing oil 7, and the second sealing ring 64 is disposed in the first groove 63 and/or the second groove 12.
In this embodiment, when the space between the outer cavity 3 and the inner cavity 4 is sealed, the inner cavity 4 may be further provided with a first groove 63, the first groove 63 is disposed outside the through hole 5, the rotating shaft 10 is provided with a clamping block 11 matched with the first groove 63, the clamping block 11 is in an "L" shape, so that a second groove 12 is formed between the clamping block 11 and the rotating shaft 10, the sealing oil 7 is filled in the first groove 63 and/or the second groove 12, the second sealing ring 64 is disposed in the first groove 63 and/or the second groove 12, the space between the outer cavity 3 and the inner cavity 4 is sealed by the sealing oil 7 and the second sealing ring 64, and the terminal assembly 9 of the inner cavity 4 is protected by the sealing oil 7 without affecting the rotation of the rotating shaft 10, so as to improve the service life and the safety performance of the refrigerator door switch.
Example three:
as shown in fig. 9, a first glue adding groove 13 is formed at a joint of the base 1 and the glue cover 2, and a first sealant 14 is added in the first glue adding groove 13.
Adopt any of the above-mentioned embodiment, seal base 1 and gluey lid 2, the accessible sets up first gluey groove 13 at the junction of base 1 and gluey lid 2 to add first sealed glue 14 in first gluey groove 13, seal the junction of base 1 and gluey lid 2 through first sealed glue 14, finally improve the leakproofness of inner chamber 4.
Example four:
as shown in fig. 10, a sealing groove 15 is formed in the base 1 and is disposed outside the inner cavity 4, a sealing gasket 16 is disposed in the sealing groove 15, and the base 1 and the rubber cover 2 are sealed by the sealing gasket 16.
With any of the above embodiments, when the base 1 and the rubber cover 2 are sealed, the base 1 may further be provided with the sealing groove 15, the sealing gasket 16 may be provided in the sealing groove 15, and when the base 1 and the rubber cover 2 are connected through the sealing gasket 16, the base and the rubber cover 2 are sealed, so that the sealing performance of the inner cavity 4 is finally improved.
Example five:
as shown in fig. 11, a welding groove 17 is formed in the base 1, a welding rib 18 is formed in the rubber cover 2, and the welding groove 17 and the welding rib 18 are welded and sealed by ultrasonic waves or laser.
By adopting any one of the above embodiments, the welding groove 17 is formed in the base 1, the welding rib 18 is formed in the rubber cover 2, and the welding groove 17 and the welding rib 18 are welded by ultrasonic waves or laser, so that the rubber cover 2 and the base 1 are sealed, and finally the sealing performance of the inner cavity 4 is improved.
Example six:
as shown in fig. 9, the glue cover 2 is provided with a second glue adding groove 19, the second glue adding groove 19 is arranged on the periphery of the terminal assembly 9 passing through the glue cover 2, and a second sealant 20 is added in the second glue adding groove 19.
By adopting any of the above embodiments, when sealing between the terminal assembly 9 and the rubber cover 2, the second rubber adding groove 19 can be arranged on the rubber cover 2, meanwhile, the second rubber sealant 20 is added in the second rubber adding groove 19, the terminal assembly 9 and the rubber cover 2 are sealed by the second rubber sealant 20, and finally, the sealing performance of the inner cavity 4 is improved.
Example seven:
as shown in fig. 11, the terminal assembly 9 and the rubber cover 2 are sealed by integral plastic coating.
With any of the above embodiments, when sealing between the terminal assembly 9 and the rubber cover 2, the terminal assembly 9 and the rubber cover 2 may be integrally encapsulated (encapsulated) to improve the sealing of the inner cavity 4.
Example eight:
as shown in fig. 12, the terminal assembly 9 and the rubber cover 2, and the joint between the rubber cover 2 and the base 1 are sealed by plastic coating.
By adopting any of the above embodiments, the soft glue 21 can be coated at the joint of the rubber cover 2 and the base 1 and at the joint of the terminal assembly 9 and the rubber cover 2, the rubber cover 2 and the base 1 are sealed by coating the soft glue 21, the terminal assembly 9 and the rubber cover are sealed, and finally the sealing performance of the inner cavity 4 is improved.
When the refrigerator door switch is sealed, the sealing modes of the refrigerator door switch can be combined in any way through the embodiments, and the sealing modes of the refrigerator door switch are not limited to the sealing modes, and other sealing modes can be provided.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the art should understand that changes, modifications, and evolutions equivalent to those made by the above disclosed technical content without departing from the technical scope of the present invention are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a canned type refrigerator door switch, includes base and rubber cover, its characterized in that: the base is provided with an outer cavity and an inner cavity, a through hole is formed between the outer cavity and the inner cavity, a sealing assembly and sealing oil are arranged at the through hole, the outer cavity of the base is sealed with the inner cavity through the sealing assembly and the sealing oil, the rubber cover is hermetically connected with the base and covers the inner cavity, the outer cavity is provided with a pressing assembly, the inner cavity is provided with a terminal assembly and is mutually connected through a rotating shaft penetrating through the through hole, one end of the terminal assembly penetrates through the rubber cover to be arranged outside the rubber cover, and the terminal assembly and the rubber cover are sealed.
2. The sealed type refrigerator door switch according to claim 1, wherein: the pressing assembly comprises a button and a torsion spring, a torsion spring arm on the torsion spring is abutted to one side of the lower end of the button, the terminal assembly comprises a static terminal assembly and a moving plate assembly, one end of the rotating shaft is connected with the button, and the other end of the rotating shaft is connected with the moving plate assembly in a shifting mode.
3. The sealed type refrigerator door switch according to claim 2, characterized in that: the sealing assembly comprises a sealing box and a first sealing ring, the sealing box is arranged in the outer cavity, the sealing oil is filled in the sealing box, one end of the rotating shaft penetrates through the sealing box to be connected with the pressing assembly, and the first sealing ring is sleeved on the rotating shaft and arranged in the sealing box.
4. The sealed type refrigerator door switch according to claim 2, characterized in that: the sealing assembly comprises a first groove and a second sealing ring, the first groove is arranged in the inner cavity and is arranged outside the through hole, one end of the rotating shaft, which is arranged in the inner cavity, is provided with a clamping block matched with the first groove, a second groove is formed between the clamping block and the rotating shaft, the sealing oil is filled in the first groove and/or the second groove, and the second sealing ring is arranged in the first groove and/or the second groove.
5. The sealed type refrigerator door switch according to claim 2, characterized in that: the joint of the base and the rubber cover is provided with a first rubber adding groove, and a first sealant is added into the first rubber adding groove.
6. The sealed type refrigerator door switch according to claim 2, characterized in that: the base is provided with a sealing groove and is arranged outside the inner cavity, a sealing gasket is arranged in the sealing groove, and the base and the rubber cover are sealed through the sealing gasket.
7. The sealed type refrigerator door switch according to claim 2, characterized in that: the base is provided with a welding groove, the rubber cover is provided with a welding rib, and the welding groove and the welding rib are welded and sealed through ultrasonic waves or laser.
8. The sealed type refrigerator door switch according to claim 2, characterized in that: the glue cover is provided with a second glue adding groove, the second glue adding groove is formed in the periphery of the position, penetrating through the glue cover, of the terminal assembly, and second sealing glue is added into the second glue adding groove.
9. The sealed type refrigerator door switch according to claim 2, characterized in that: and the terminal assembly and the rubber cover are sealed by adopting integral plastic coating.
10. The sealed type refrigerator door switch according to claim 2, characterized in that: and plastic wrapping is adopted between the terminal assembly and the rubber cover and between the rubber cover and the base for sealing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922020189 | 2019-11-21 | ||
| CN2019220201891 | 2019-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210778351U true CN210778351U (en) | 2020-06-16 |
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ID=71034651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922108345.XU Active CN210778351U (en) | 2019-11-21 | 2019-11-29 | Sealed refrigerator door switch |
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| Country | Link |
|---|---|
| CN (1) | CN210778351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103030A1 (en) * | 2019-11-21 | 2021-06-03 | 惠州冠泰电子有限公司 | Sealing type refrigerator door switch |
-
2019
- 2019-11-29 CN CN201922108345.XU patent/CN210778351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103030A1 (en) * | 2019-11-21 | 2021-06-03 | 惠州冠泰电子有限公司 | Sealing type refrigerator door switch |
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