CN212725153U

CN212725153U - Low-voltage switch structure

Info

Publication number: CN212725153U
Application number: CN202021968364.6U
Authority: CN
Inventors: 徐征
Original assignee: Shenzhen Hongyuan Kaitai Technology Development Co ltd
Current assignee: Shenzhen Hongyuan Kaitai Technology Development Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-03-16
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a pressure control switch technical field specifically is a low-voltage switch structure, including casing, T shape inner chamber, T shape slider and micro-gap switch, the top of the horizontal portion of T shape inner chamber is provided with elasticity diaphragm and water inlet, the horizontal portion of T shape slider and T shape inner chamber is equipped with first permanent magnet and second permanent magnet respectively, micro-gap switch just is provided with the switch contact to the bottom of the vertical portion of T shape inner chamber, micro-gap switch output end drive connects domestic water supply system; in practical application, when a low-pressure water source enters the water inlet, the low-pressure water source flows onto the elastic diaphragm, the elastic diaphragm pushes the bottom surface of the T-shaped sliding block to slide down to a switch contact of the micro switch, and the micro switch automatically turns on the household water supply system; when no water pressure exists, the T-shaped sliding block is always attached to the lower surface of the elastic membrane through the magnetic repulsion of the first permanent magnet and the second permanent magnet; the utility model discloses also can start domestic water supply system fast when low water pressure, convenient to use, sensitivity is high.

Description

Low-voltage switch structure

Technical Field

The utility model relates to a pressure control switch technical field specifically is a low-voltage switch structure.

Background

At present, in high-rise buildings in water shortage areas, particularly during peak water consumption, high-rise buildings can only wait for the increase of water pressure, and the high-rise buildings are very inconvenient, so that the problem that the low water pressure can start a low water pressure switch of a household water supply system is urgently solved by most users is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to foretell not enough, provide one kind also can quick start domestic water supply system when low water pressure, convenient to use, the high low-voltage switch structure of sensitivity.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a low-voltage switch structure comprises a shell, a T-shaped inner cavity arranged in the shell, a T-shaped sliding block arranged in the T-shaped inner cavity and a micro switch arranged below the T-shaped inner cavity, wherein the transverse part of the T-shaped inner cavity is matched with the transverse part of the T-shaped sliding block, the vertical part of the T-shaped inner cavity is matched with the vertical part of the T-shaped sliding block, the T-shaped sliding block slides up and down along the inner side wall of the T-shaped inner cavity, an elastic diaphragm is arranged at the top of the transverse part of the T-shaped inner cavity, a water inlet communicated with the outside of the shell is arranged above the elastic diaphragm, a first permanent magnet is arranged at the bottom surface of the transverse part of the T-shaped sliding block, a second permanent magnet is arranged right above the first permanent magnet at the bottom surface of the transverse part of the T-shaped inner cavity, a switch contact is arranged right above the vertical part of, the switch contact is arranged right below the vertical part of the T-shaped sliding block, and the output end of the microswitch is in driving connection with a household water supply system.

Further, the shell comprises an upper shell and a lower shell, and the upper shell is connected with the lower shell through screws.

Furthermore, after the upper shell and the lower shell are connected through the screws, the periphery of the elastic membrane is pressed on the top of the lower shell through the upper shell.

Further, a distance induction sensor is arranged on the switch contact and is electrically connected with the micro switch.

Further, when the first permanent magnet is an N pole, the second permanent magnet is an N pole; and when the first permanent magnet is an S pole, the second permanent magnet is an S pole.

The utility model has the advantages that:

in practical application, when a low-pressure water source enters the water inlet, the low-pressure water source flows onto the elastic diaphragm, the elastic diaphragm pushes the bottom surface of the T-shaped sliding block to slide down to a switch contact of the micro switch, and the micro switch automatically turns on the household water supply system; when no water pressure exists, the T-shaped sliding block is always attached to the lower surface of the elastic membrane through the magnetic repulsion of the first permanent magnet and the second permanent magnet; the utility model discloses also can start domestic water supply system fast when low water pressure, convenient to use, sensitivity is high.

Drawings

Fig. 1 is a sectional view of the overall structure of the present invention;

reference numerals: a housing 1; a T-shaped inner cavity 2; a T-shaped slider 3; a microswitch 4; a switch contact 41; an elastic membrane 5; a water inlet 6; a first permanent magnet 71; a second permanent magnet 72; a distance sensing sensor 8.

Detailed Description

As shown in fig. 1, a low-voltage switch structure comprises a housing 1, a T-shaped inner cavity 2 arranged in the housing 1, a T-shaped slider 3 arranged in the T-shaped inner cavity 2, and a micro switch 4 arranged below the T-shaped inner cavity 2, wherein a transverse portion of the T-shaped inner cavity 2 is matched with a transverse portion of the T-shaped slider 3, a vertical portion of the T-shaped inner cavity 2 is matched with a vertical portion of the T-shaped slider 3, the T-shaped slider 3 slides up and down along an inner side wall of the T-shaped inner cavity 2, an elastic diaphragm 5 is arranged at the top of the transverse portion of the T-shaped inner cavity 2, a water inlet 6 communicated with the outside of the housing 1 is arranged above the elastic diaphragm 5, a first permanent magnet 71 is arranged at the bottom surface of the transverse portion of the T-shaped slider 3, a second permanent magnet 72 is arranged at the bottom surface of the transverse portion of the T-shaped inner cavity 2 opposite to the first permanent magnet 71, and a switch contact 41, the water inlet 6 is arranged right above the T-shaped sliding block 3, the switch contact 41 is arranged right below the vertical part of the T-shaped sliding block 3, and the output end of the microswitch 4 is in driving connection with a household water supply system.

When the household water supply system works, when a low-pressure water source enters the water inlet 6, the low-pressure water source flows onto the elastic diaphragm 5, the elastic diaphragm 5 pushes the bottom surface of the T-shaped sliding block 3 to slide down onto the switch contact 41 of the microswitch 4, and the microswitch 4 automatically turns on the household water supply system; when no water pressure exists, the T-shaped sliding block 3 is always attached to the lower surface of the elastic membrane 5 through the magnetic repulsion of the first permanent magnet 71 and the second permanent magnet 72; the utility model discloses also can start domestic water supply system fast when low water pressure, convenient to use, sensitivity is high.

As shown in fig. 1, the housing 1 includes an upper housing and a lower housing, the upper housing and the lower housing are screwed, in this embodiment; through last casing and lower casing screwed connection, it is convenient to dismantle the maintenance.

As shown in fig. 1, after the upper housing and the lower housing are screwed, the upper housing presses the periphery of the elastic membrane 5 to the top of the lower housing, in this embodiment; the elastic diaphragm 5 is connected and pressed and fixed through the upper shell and the lower shell through screws, so that the elastic diaphragm 5 is always positioned at the top of the lower shell when no water exists.

As shown in fig. 1, a distance sensor 8 is disposed on the switch contact 41, and the distance sensor 8 is electrically connected to the micro switch 4, in this embodiment; when the water pressure is too low and the bottom surface of the vertical part of the T-shaped sliding block 3 can not contact the switch contact 41, the distance induction sensor 8 induces the vertical part of the T-shaped sliding block 3 to generate displacement, the microswitch 4 is automatically started, and the sensitivity is higher.

As shown in fig. 1, when the first permanent magnet 71 is an N pole, the second permanent magnet 72 is an N pole; when the first permanent magnet 71 is an S pole, the second permanent magnet 72 is an S pole, in this embodiment; only when the first permanent magnet 71 and the second permanent magnet 72 are of the same polarity, the mutual repulsion between the magnets enables the top of the transverse part of the T-shaped slider 3 to be always attached to the bottom surface of the elastic membrane 5.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.

Claims

1. A low voltage switch structure characterized by: comprises a shell (1), a T-shaped inner cavity (2) arranged in the shell (1), a T-shaped sliding block (3) arranged in the T-shaped inner cavity (2) and a micro switch (4) arranged below the T-shaped inner cavity (2), wherein the transverse part of the T-shaped inner cavity (2) is matched with the transverse part of the T-shaped sliding block (3), the vertical part of the T-shaped inner cavity (2) is matched with the vertical part of the T-shaped sliding block (3), the T-shaped sliding block (3) slides up and down along the inner side wall of the T-shaped inner cavity (2), an elastic diaphragm (5) is arranged at the top of the transverse part of the T-shaped inner cavity (2), a water inlet (6) communicated with the outside of the shell (1) is arranged above the elastic diaphragm (5), a first permanent magnet (71) is arranged on the bottom surface of the transverse part of the T-shaped sliding block (3), a second permanent magnet (72) is arranged right against the first permanent magnet (71) on the bottom surface of the, micro-gap switch (4) just right the bottom of the vertical portion of T shape inner chamber (2) is provided with switch contact (41), water inlet (6) are located directly over T shape slider (3), switch contact (41) are located directly under the vertical portion of T shape slider (3), domestic water supply system is connected in micro-gap switch (4) output drive.

2. A low-voltage switch architecture as claimed in claim 1, characterized in that: the shell (1) comprises an upper shell and a lower shell, and the upper shell is connected with the lower shell through screws.

3. A low-voltage switch architecture as claimed in claim 2, characterized in that: after the upper shell and the lower shell are connected through the screws, the periphery of the elastic membrane (5) is pressed on the top of the lower shell through the upper shell.

4. A low-voltage switch architecture as claimed in claim 1, characterized in that: and a distance induction sensor (8) is arranged on the switch contact (41), and the distance induction sensor (8) is electrically connected with the microswitch (4).

5. A low-voltage switch architecture as claimed in claim 1, characterized in that: when the first permanent magnet (71) is N-pole, the second permanent magnet (72) is N-pole; and when the first permanent magnet (71) is an S pole, the second permanent magnet (72) is an S pole.