CN205505420U - A water flow switch for instant heating type electric water heater - Google Patents
A water flow switch for instant heating type electric water heater Download PDFInfo
- Publication number
- CN205505420U CN205505420U CN201620196782.5U CN201620196782U CN205505420U CN 205505420 U CN205505420 U CN 205505420U CN 201620196782 U CN201620196782 U CN 201620196782U CN 205505420 U CN205505420 U CN 205505420U
- Authority
- CN
- China
- Prior art keywords
- switch
- magnetic piece
- water
- valve body
- straight sections
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Details Of Fluid Heaters (AREA)
Abstract
The utility model provides a water flow switch for instant heating type electric water heater, it is including the valve main part, first magnetic path, second magnetic path and micro -gap switch, the valve main part has straight tube portion, outlet pipe portion and tubulose installation department, the one end of straight tube portion has the water inlet, the other end has end shrouding and sharp connection pipe installation department, tubulose installation department end touches the mouth for the switch, the lateral wall of straight tube portion near -end shrouding is connected with outlet pipe portion and is led to, the outer end of outlet pipe portion has the delivery port, first magnetic path slides and locates in the straight tube portion, the second magnetic path slides and locates in the tubulose installation department, and the same magnetic pole end is relative to be set up, the tubulose installation department is equipped with the switch mounting seat and is fixed with micro -gap switch, the switch that its shift knob is located the tubulose installation department touches the mouth and leans on to the second magnetic path, the outer parcel of first magnetic path has first waterproof cover, firstly prevent having the cannelure on the water jacketed lateral wall. Further, the water inlet of straight tube portion is equipped with the filter screen in the valve main part. The utility model discloses instant heating electric water heater's security can effectively improve.
Description
Technical field
This utility model relates to water flow switch, the water flow switch being particularly serially connected with on the water inlet pipe of instant-heating electric water heater.
Background technology
Instant electric water heater is the hot water apparatus of plug and play, it installs water flow switch on heater inleting pipe, when electric heater uses, (after boiled water) makes heating starting by water flow switch sensing water flowing, resetting without water flow switch during water makes electric heater stop heating, and the existing water flow switch for instant-heating electric water heater mostly is electromagnetic levitation type structure.A kind of water flow switch as disclosed in the Chinese patent of Application No. 201210015215.1, including housing, one end of housing is water inlet, the other end is equipped with microswitch, it is provided with outlet at the middle part of housing, it is provided with magnetic control means in the housing residing for outlet, described magnetic control means includes that seat fixed by former and later two magnetic cylinders, each magnetic cylinder is fixed and is laid magnetic cylinder inside seat, the magnetic pole that two magnetic cylinders are relative is identical, it is in mutually exclusive state, magnetic cylinder before close with water inlet is fixed the port of seat and is provided with sealing ring, the contact of described microswitch is near magnetic cylinder below.
And for example a kind of water flow switch disclosed in the Chinese patent of Application No. 201220177213.8, including water valve, it is provided with water stream channel inside described water valve, outside arranges switch base and is connected with microswitch, the first magnetic piece it is provided with in water stream channel, it is provided with the second magnetic piece, the first magnetic piece and the second magnetic piece homopolarity between microswitch and switch base to be oppositely arranged；It is also covered with waterproof jacket outside first magnetic piece.
Existing this water flow switch does not has pressure relief, after instant electric water heater is out of service, inner bag is in full closeding state, in a period of time, the waste heat of electrothermal tube may proceed to the water in heating inner liner, inner bag water temperature is made to exceed preset value, pressure in inner bag the most slightly elevated but in the range of safe pressure, when user is again turned on electric heater during this period, high pressure in inner bag makes the high-temperature-hot-water exceeding preset value quickly export, there is the risk scalding user, there is potential safety hazard, need for this to improve.
Summary of the invention
The purpose of this utility model is to propose a kind of water flow switch for instant electric water heater, the feature that it has simple in construction, using effect is good, is especially suitable for instant-heating electric water heater and uses.
The purpose of this utility model can be achieved through the following technical solutions:
nullA kind of water flow switch for instant electric water heater，It includes valve body、First magnetic piece、Second magnetic piece and microswitch，Described valve body is tubular structure，It has straight sections、Outlet pipe portion and tubular mounting portion，One end of described straight sections has water inlet、The other end has end-plate straight line connecting tubular installation portion，Tubular mounting portion end touches mouth for switch，The sidewall of straight sections near-end shrouding is connected logical with outlet pipe portion，The outer end in outlet pipe portion has outlet，In first magnetic piece is located at the straight sections of valve body and can be along the inwall slip of straight sections，Second magnetic piece can slide along the inwall of tubular mounting portion in being located at the tubular mounting portion of valve body，First magnetic piece and the identical magnetic pole of the second magnetic piece are oppositely arranged，The tubular mounting portion of valve body is provided with switch installation seat，Microswitch is fixed on switch installation seat，The shift knob of described microswitch is positioned at the switch of tubular mounting portion and touches mouth and be close to the second magnetic piece，First magnetic piece is wrapped with the first waterproof jacket，On the sidewall of the first waterproof jacket, there is cannelure.
Prioritization scheme, described valve body has on the inwall of the inlet end of straight sections annular recess, and filter screen is compressed by filter screen retainer ring to be located in described annular recess.
Prioritization scheme further, described second magnetic piece is wrapped with the second waterproof jacket.
This utility model has following substantive distinguishing features and a progress:
1, in this utility model, the cannelure of the first magnetic piece has decompression function, after instant electric water heater is out of service, the remaining thermogenetic high pressure of electrothermal tube is by cannelure pressure release in running water pipe, the hydraulic pressure making inner bag maintains normal pressure, avoid user to have after being again turned on electric heater quickly to discharge higher than the high-temperature water of preset value, improve safety in utilization and comfort level.
2, it is further also provided with filter screen in this utility model, plays and filter the effect of impurity in water body that flows through, it is ensured that first magnetic piece sliding in valve body, have the advantages that length in service life, sensitivity are stable.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is that a kind of of Fig. 1 structure uses view.
Fig. 3 is another kind of structural representation of the present utility model.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
With reference to Fig. 1 and Fig. 2, a kind of water flow switch for instant electric water heater, it includes valve body the 1, first magnetic piece the 2, second magnetic piece 3 and microswitch 4.
Valve body 1 is tubular structure, and it has straight sections 11, outlet pipe portion 12 and tubular mounting portion 13.One end of straight sections 11 has water inlet 111, the other end has end-plate 112 straight line connecting tubular installation portion 13, tubular mounting portion 13 is provided with switch installation seat 14, tubular mounting portion 13 end touches mouth for switch, the sidewall of straight sections 11 near-end shrouding 112 is connected logical with outlet pipe portion 12, and the outer end in outlet pipe portion 12 has outlet 121.
In first magnetic piece 2 is located at the straight sections 11 of valve body 1 and can be along the inwall slip of straight sections 11, the first magnetic piece 2 be wrapped with the first waterproof jacket 20, the sidewall of the first waterproof jacket 20 has cannelure 21.
Second magnetic piece 3 can slide along the inwall of tubular mounting portion 13 in being located at the tubular mounting portion 13 of valve body 1, and the second magnetic piece 3 is wrapped with the second waterproof jacket 30.
The magnetic pole that first magnetic piece 2 is identical with the second magnetic piece 3 is oppositely arranged.
Microswitch 4 is fixed on the switch installation seat 14 on valve body 1, and the shift knob 40 of microswitch 4 is positioned at the switch of tubular mounting portion 13 and touches mouth and be close to the second magnetic piece 3.
During use, this utility model is serially connected with on the water inlet pipe of instant-heating electric water heater, after the water valve of water inlet pipe is opened, cold water is entered straight sections 11 inner chamber by the water inlet 111 of valve body 1, as shown in Figure 2, the water body of flowing promotes the first magnetic piece 2 to move to the second magnetic piece 3, the straight sections 11 making valve body 1 is connected logical with outlet pipe portion 12, cold water is inputted water heater liner by outlet pipe portion 12 by the outlet 121 of valve body 1, first magnetic piece 2 promotes the second magnetic piece 3 to move the shift knob 40 pressing to microswitch 4 simultaneously, microswitch 4 is made to connect the operating circuit of water heater, water heater is made to start heating.
After the water valve of the water inlet pipe closing electric heater, cold water stops entering straight sections 11 inner chamber, and the first magnetic piece 2 is not subjected to the motive force of water body, and the second magnetic piece 3 and the first magnetic piece 2 reset under gravity, and the shift knob 40 of microswitch 4 resets (as shown in Figure 1)
While the water valve of water inlet pipe cuts out, electric heater is out of service, the remaining thermogenetic high pressure of electrothermal tube is by cannelure 21 pressure release in running water pipe on the first waterproof jacket 20 sidewall, reduce hydraulic pressure in inner bag in time, the hydraulic pressure making inner bag maintains normal pressure, avoid user to have after being again turned on electric heater quickly to discharge higher than the high-temperature water of preset value, improve safety in utilization and comfort level.
Embodiment 2
With reference to Fig. 3, the present embodiment is with the difference of embodiment 1: have annular recess on valve body 1 on the inwall of water inlet 111 end of straight sections 11, and filter screen 5 is compressed by filter screen retainer ring 50 to be located in described annular recess.In the present embodiment, filter screen 5 plays filtration and flows through the effect of this utility model water body impurity, to guarantee first magnetic piece 2 sliding in valve body 1, improves service life of the present utility model and using effect.
Claims (3)
- null1. the water flow switch for instant electric water heater，It includes valve body (1)、First magnetic piece (2)、Second magnetic piece (3) and microswitch (4)，Described valve body (1) is tubular structure，It has straight sections (11)、Outlet pipe portion (12) and tubular mounting portion (13)，One end of described straight sections (11) has water inlet (111)、The other end has end-plate (112) straight line connecting tubular installation portion (13)，Tubular mounting portion (13) end touches mouth for switch，The sidewall of straight sections (11) near-end shrouding (112) is connected logical with outlet pipe portion (12)，The outer end in outlet pipe portion (12) has outlet (121),In first magnetic piece (2) is located at the straight sections (11) of valve body (1) and can be along the inwall slip of straight sections (11)，Second magnetic piece (2) can slide along the inwall of tubular mounting portion (13) in being located at the tubular mounting portion (13) of valve body (1)，The magnetic pole that first magnetic piece (2) is identical with the second magnetic piece (3) is oppositely arranged，The tubular mounting portion (13) of valve body (1) is provided with switch installation seat (14)，Microswitch (4) is fixed on switch installation seat (14)，The shift knob (40) of described microswitch (4) is positioned at the switch of tubular mounting portion (13) and touches mouth and be close to the second magnetic piece (3)，It is characterized in that: the first magnetic piece (2) is wrapped with the first waterproof jacket (20)，There is on the sidewall of the first waterproof jacket (20) cannelure (21).
- Water flow switch the most according to claim 1, it is characterized in that: have annular recess on the inwall that the water inlet (111) of the upper straight sections (11) of described valve body (1) is held, filter screen (5) is compressed by filter screen retainer ring (50) to be located in described annular recess.
- Water flow switch the most according to claim 1 and 2, it is characterised in that: described second magnetic piece (3) is wrapped with the second waterproof jacket (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620196782.5U CN205505420U (en) | 2016-03-15 | 2016-03-15 | A water flow switch for instant heating type electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620196782.5U CN205505420U (en) | 2016-03-15 | 2016-03-15 | A water flow switch for instant heating type electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205505420U true CN205505420U (en) | 2016-08-24 |
Family
ID=56731462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620196782.5U Expired - Fee Related CN205505420U (en) | 2016-03-15 | 2016-03-15 | A water flow switch for instant heating type electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205505420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288645A (en) * | 2020-02-19 | 2020-06-16 | 佛山博发智能科技有限公司 | Be used for pipeline heat preservation device |
-
2016
- 2016-03-15 CN CN201620196782.5U patent/CN205505420U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288645A (en) * | 2020-02-19 | 2020-06-16 | 佛山博发智能科技有限公司 | Be used for pipeline heat preservation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204218687U (en) | Dual power supply portable electric cup of hot coffee | |
| CN204268683U (en) | A kind of instantaneously heated type heater of intellectual water closet | |
| CN102578914A (en) | Drinking water heating device with pre-heating function | |
| CN205505420U (en) | A water flow switch for instant heating type electric water heater | |
| CN204460661U (en) | Constant-temperature water faucet electric heater | |
| CN203847773U (en) | Double-purpose mixed water directly drinking faucet | |
| CN107166706A (en) | A kind of water dispenser electric heater unit | |
| CN204260575U (en) | A kind of two relief valve | |
| CN103829655B (en) | A kind of water bed of band automatic temperature-adjusting function | |
| CN205618813U (en) | Add hot type electric heating faucet | |
| CN100560004C (en) | The relief valve that is used for coffee machine | |
| CN209027080U (en) | A kind of infrared instant electric water installations of hot water machine | |
| CN206944452U (en) | A kind of water dispenser electric heater unit | |
| CN206959308U (en) | A kind of beauty parlour's purpose energy-saving instant water heater | |
| CN207567877U (en) | A kind of intelligent closestool with filter | |
| CN205877396U (en) | Tap structure | |
| CN106486258B (en) | Self- recoverage respirator | |
| CN208365815U (en) | Electric water heater | |
| CN204765078U (en) | Instant heating water dispenser | |
| CN203797134U (en) | Upper-control pressure-free electrothermal faucet and electrothermal faucet heating device | |
| CN204593826U (en) | Kitchen hot-water heating system | |
| CN204477377U (en) | A kind of anti-scald drawing type water faucet | |
| CN106871461A (en) | A kind of detachable shower | |
| CN208652902U (en) | A kind of two-stage intelligent constant-temperature double-mode electric water heater | |
| CN210688769U (en) | Integrated safe pressure relief and electric leakage prevention device adaptable to Hall sensor and used for water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |