CN215731410U - Close-fitting waterproof structure and push switch - Google Patents
Close-fitting waterproof structure and push switch Download PDFInfo
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- CN215731410U CN215731410U CN202121758229.3U CN202121758229U CN215731410U CN 215731410 U CN215731410 U CN 215731410U CN 202121758229 U CN202121758229 U CN 202121758229U CN 215731410 U CN215731410 U CN 215731410U
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- waterproof structure
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Abstract
The utility model relates to the technical field of switches, in particular to a tight-fit waterproof structure and a press switch, which comprise a shell, a supporting seat and a press cap arranged between the shell and the supporting seat; according to the block external diameter with the casing internal diameter closely cooperates, shells inner wall is provided with first ring platform, second ring platform and spacing platform, according the block include connecting portion and with the splenium is connected to connecting portion, connecting portion seted up with first ring platform complex first recess and with second ring platform complex second recess, the supporting seat includes supporting part and butt portion, the supporting part respectively with spacing platform with connecting portion butt. The utility model solves the problems that the traditional switch has simple structure and poor waterproof effect, and the internal structure of the switch is damaged because moisture easily enters the switch.
Description
Technical Field
The utility model relates to the technical field of switches, in particular to a tight-fit waterproof structure and a press switch.
Background
A switch is a commonly used electronic device that opens a circuit, interrupts current, or allows current to flow to other circuits. The switch sold on the existing market is various, such as a rocker switch, a button switch, a key switch, a knob switch, an emergency stop switch and the like, wherein the button switch cuts off and closes a circuit through pressing action, the switch is widely used in the field of electronic devices, generally the switch is generally provided with a metal outer cylinder, a cover cap, a light permeable ring, a waterproof ring and a base, a limiting table is generally annularly arranged on the inner wall of the metal outer cylinder, an annular groove for clamping the waterproof ring is formed between the limiting table and the base, and the waterproof ring is clamped and pressed in the annular groove to realize water prevention.
The button switch is also called a control button (abbreviated as a button), and is a low-voltage electrical appliance which is manual and can be reset automatically generally. Buttons are typically used in electrical circuits to issue start or stop commands to control the switching on and off of current to the coils of electrical appliances such as electromagnetic starters, contactors, relays, and the like.
But traditional switch's simple structure, the water-proof effects is poor, thereby moisture gets into the switch easily and leads to the damage of switch inner structure.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a tight fit waterproof construction and press the switch to the problem of present conventional art, and this tight fit waterproof construction and press the switch's structural design is reasonable, and water-proof effects is good, and the security performance is high, long service life.
A tight-fitting waterproof structure comprises a shell, a supporting seat and a pressing cap arranged between the shell and the supporting seat; according to the block external diameter with the casing internal diameter closely cooperates, shells inner wall is provided with first ring platform, second ring platform and spacing platform, according the block include connecting portion and with the splenium is connected to connecting portion, connecting portion seted up with first ring platform complex first recess and with second ring platform complex second recess, the supporting seat includes supporting part and butt portion, the supporting part respectively with spacing platform with connecting portion butt.
In one embodiment, the press cap is a soft silicone press cap.
In one embodiment, the diameter of the first land is greater than the diameter of the second land.
In one embodiment, the diameter of the support portion is greater than the diameter of the abutment portion; and a chamfer is arranged at the joint of the supporting part and the abutting part.
In one embodiment, the housing is a metal retaining sleeve.
In one embodiment, the side of the first annular platform and the side of the second annular platform facing the press cap are rounded.
In one embodiment, the pressing portion is provided with a curved arc.
The utility model provides a press switch, includes tight fit waterproof construction, and with tight fit waterproof construction complex promote module and contact module.
In one embodiment, the pushing module comprises a pushing seat, a self-locking structure arranged on the pushing seat, and a guide rod arranged on the contact module and matched with the self-locking structure.
In one embodiment, the contact module includes a conductive contact disposed corresponding to the pushing seat, and a plurality of sets of conductive pins connected to the conductive contact.
The utility model has the following beneficial effects:
the tight-fit waterproof structure and the press switch are reasonable in structural design, good in waterproof effect, high in safety performance and long in service life, the shell is arranged for fixed installation and use of the whole structure, the press cap is arranged between the shell and the supporting seat, the outer diameter of the press cap is tightly matched with the inner diameter of the shell, the sealing performance is good, the dustproof effect is good, external moisture can be effectively prevented from permeating into the press switch, the waterproof performance is good, the first ring platform is matched with the first groove, the second ring platform is matched with the second groove, the buckling of the shell and the press cap is firmer, furthermore, the supporting seat has a certain outward extrusion acting force on the press cap, the whole structure is stable and reliable, the dustproof and waterproof effects are good, and the service life of the press switch is greatly prolonged.
Drawings
FIG. 1 is a schematic perspective view of a tight-fitting waterproof structure according to the present invention;
FIG. 2 is an exploded view of the tight-fit waterproof structure of FIG. 1;
FIG. 3 is a cross-sectional view of the tight-fitting waterproof construction of FIG. 1;
FIG. 4 is an exploded perspective view of the push switch of FIG. 1;
FIG. 5 is a schematic view of the push module and the contact module of the push switch of FIG. 4;
fig. 6 is a schematic perspective view of a contact module of the push switch of fig. 4.
Description of reference numerals:
the contact module comprises a tight-fit waterproof structure 10, a shell 11, a first annular table 11a, a second annular table 11b, a limiting table 11c, a supporting seat 12, a supporting part 12a, an abutting part 12b, a pressing cap 13, a connecting part 131, a first groove 131a, a second groove 131b, a pressing part 132, a pushing module 20, a pushing seat 21, a self-locking structure 22, a guide rod 23, a contact module 30, a conducting contact 31 and a conducting pin 32.
Detailed Description
In order that the utility model may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1 to 6, a tight-fitting waterproof structure and a push switch according to an embodiment of the present invention are provided, and the tight-fitting waterproof structure and the push switch have reasonable structural design, good waterproof effect, high safety performance, and long service life.
In this embodiment, the tight-fitting waterproof structure 10 includes a housing 11, a supporting seat 12, and a pressing cap 13 disposed between the housing 11 and the supporting seat 12; closely cooperate according to block 13 external diameter and 11 internal diameters of casing, 11 inner walls of casing are provided with first ring platform 11a, second ring platform 11b, and spacing platform 11c, in this embodiment, press block 13 to press block 13 for soft silica gel, the elasticity is effectual, can reset, the contact effect is good, casing 11 is the fixed overcoat of metal, the external diameter according to block 13 closely cooperates with the internal diameter of casing 11, the leakproofness is good, it is dustproof effectual, can effectually prevent external moisture infiltration press switch's inside simultaneously, waterproof performance is good.
The diameter of the first annular platform 11a is larger than that of the second annular platform 11b, and the diameter of the supporting part 12a is larger than that of the abutting part 12 b; the junction of the support portion 12a and the abutting portion 12b is provided with a chamfer; in this embodiment, the diameter of the first annular platform 11a is larger than the diameter of the second annular platform 11b, so that the first annular platform and the second annular platform are closely matched from top to bottom, the sealing effect is good, and the waterproof and dustproof performance is high.
The pressing cap 13 comprises a connecting portion 131 and a pressing portion 132 connected with the connecting portion 131, the connecting portion 131 is provided with a first groove 131a matched with the first annular table 11a and a second groove 131b matched with the second annular table 11b, the supporting seat 12 comprises a supporting portion 12a and a butting portion 12b, and the supporting portion 12a is respectively butted with the limiting table 11c and the connecting portion 131; in this embodiment, first ring platform 11a cooperatees with first recess 131a, and second ring platform 11b cooperatees with second recess 131b for casing 11 is more firm with according to the lock of lid 13, and further, supporting seat 12 has certain outside extrusion effort to according lid 13, makes overall structure reliable and stable, and dustproof and waterproof effect is good, has promoted push switch's life greatly.
The first ring platform 11a and the second ring platform 11b are disposed in a rounded shape toward one side of the pressing cap 13, and the pressing portion 132 is disposed in a curved arc shape.
A push switch comprises a tight-fit waterproof structure 10, and a pushing module 20 and a contact module 30 which are matched with the tight-fit waterproof structure 10.
The pushing module 20 includes a pushing base 21, a self-locking structure 22 disposed on the pushing base 21, and a guide rod 23 mounted on the contact module 30 and engaged with the self-locking structure 22.
The contact module 30 includes a conductive contact 31 corresponding to the pushing base 21 and a plurality of sets of conductive pins 32 connected to the conductive contact 31; promote module 20 and set up in the bottom of pressing block 13 and set up with contact module 30 relatively, the accessible is pressed and is pressed block 13 and make to promote module 20 and contact module 30 case and be connected, realizes the break-make of circuit, presses the in-process auto-lock structure 22 and guide bar 23 and mutually supports the realization auto-lock, and the auto-lock is effectual.
The tight-fit waterproof structure 10 and the press switch are reasonable in structural design, good in waterproof effect, high in safety performance and long in service life, the shell 11 is arranged for fixed installation and use of the whole structure, the press cap 13 is arranged between the shell 11 and the supporting seat 12, the outer diameter of the press cap 13 is tightly matched with the inner diameter of the shell 11, the sealing performance is good, the dustproof effect is good, external moisture can be effectively prevented from permeating into the press switch, the waterproof performance is good, the first ring platform 11a is matched with the first groove 131a, the second ring platform 11b is matched with the second groove 131b, the shell 11 and the press cap 13 are buckled more firmly, further, the supporting seat 12 has a certain outward extrusion acting force on the press cap 13, the whole structure is stable and reliable, the dustproof and waterproof effects are good, and the service life of the press switch is greatly prolonged.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A tight-fitting waterproof structure is characterized by comprising a shell, a supporting seat and a pressing cap arranged between the shell and the supporting seat; according to the block external diameter with the casing internal diameter closely cooperates, shells inner wall is provided with first ring platform, second ring platform and spacing platform, according the block include connecting portion and with the splenium is connected to connecting portion, connecting portion seted up with first ring platform complex first recess and with second ring platform complex second recess, the supporting seat includes supporting part and butt portion, the supporting part respectively with spacing platform with connecting portion butt.
2. The tight-fitting waterproof structure of claim 1, wherein the press cap is a soft silica gel press cap.
3. The tight-fitting waterproof structure of claim 1, wherein the diameter of the first annular platform is greater than the diameter of the second annular platform.
4. The tight-fitting waterproof structure according to claim 1, wherein the diameter of the support portion is larger than the diameter of the abutting portion; and a chamfer is arranged at the joint of the supporting part and the abutting part.
5. The tight-fitting waterproof structure according to claim 1, wherein the housing is a metal fixing sheath.
6. The tight-fitting waterproof structure of claim 1, wherein the first annular platform and the second annular platform are rounded on the side facing the press cap.
7. The tight-fitting waterproof structure of claim 1, wherein the pressing portion is provided in a curved arc.
8. A push switch, characterized by comprising the tight-fit waterproof structure as claimed in any one of claims 1 to 7, and a pushing module and a contact module which are matched with the tight-fit waterproof structure.
9. The push switch of claim 8, wherein the push module comprises a push base, a self-locking structure disposed on the push base, and a guide rod mounted on the contact module and engaged with the self-locking structure.
10. The push switch of claim 9, wherein the contact module comprises a conductive contact disposed corresponding to the push base and a plurality of sets of conductive pins connected to the conductive contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121758229.3U CN215731410U (en) | 2021-07-29 | 2021-07-29 | Close-fitting waterproof structure and push switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121758229.3U CN215731410U (en) | 2021-07-29 | 2021-07-29 | Close-fitting waterproof structure and push switch |
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Publication Number | Publication Date |
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CN215731410U true CN215731410U (en) | 2022-02-01 |
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CN202121758229.3U Active CN215731410U (en) | 2021-07-29 | 2021-07-29 | Close-fitting waterproof structure and push switch |
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CN (1) | CN215731410U (en) |
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2021
- 2021-07-29 CN CN202121758229.3U patent/CN215731410U/en active Active
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