CN108493049B - Pressure switch for waterway system and assembling method - Google Patents
Pressure switch for waterway system and assembling method Download PDFInfo
- Publication number
- CN108493049B CN108493049B CN201810357415.2A CN201810357415A CN108493049B CN 108493049 B CN108493049 B CN 108493049B CN 201810357415 A CN201810357415 A CN 201810357415A CN 108493049 B CN108493049 B CN 108493049B
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- CN
- China
- Prior art keywords
- base
- shell
- pressure switch
- sheet
- switch body
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 7
- 239000007769 metal material Substances 0.000 claims abstract 2
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
A pressure switch for waterway system and its assembling method are disclosed. The pressure switch mainly solves the problems that the joint at the bottom of the pressure switch for the current waterway system is welded with the bottom cover, air leakage is easy to occur, and the welded joint is easy to oxidize after welding processing, so that metal components at the welded part are separated out when the pressure switch is used on a water purifier. The method is characterized in that: the device also comprises a joint (4) which is made of non-metal materials and comprises a base (41) used for being connected with the inner wall of the shell and a connecting pipe (42) used for enabling fluid to enter the shell and contact with the membrane. The utility model provides a pressure switch for a waterway system and an assembling method, wherein a connector is made of nonmetal materials and comprises a base part connected with a shell and a connecting pipe part for entering fluid, and the pressure switch is convenient to install and safe to use.
Description
Technical Field
The utility model relates to the field of switches for waterway systems, in particular to a pressure switch for a waterway system and an assembly method.
Background
The main function of the pressure switch used on the water purifier or the water purifier is to detect the pressure of the pressure water storage barrel so as to control the start and stop of the booster pump, so that the water storage barrel always has enough pressure water to meet the use requirement of users.
The joint and the bottom cover at the bottom of the existing pressure switch are generally welded, so that the problems of air leakage easily occur in the production process due to the welding process and precipitation of metal components at the welding part when the pressure switch is used on a water purifier due to the fact that the welding part is easy to oxidize after welding processing are solved.
For example, chinese patent publication No. CN203406196U, publication No. 2014, 1-22, and patent name "a pressure controller", in which the specification refers to "the threaded joint 1 and the chassis 20 may be welded by one or two materials using the welding material 2 when they are in sealed connection".
Disclosure of Invention
In order to overcome the defects of the background technology, the utility model provides the pressure switch for the waterway system and the assembly method, and mainly solves the problems that the joint at the bottom of the pressure switch for the waterway system and the bottom cover are welded, air leakage is easy to occur, and metal components at the welded part are easy to oxidize after welding processing and are separated out when the pressure switch is used on a water purifier.
The technical scheme adopted by the utility model is as follows:
the pressure switch for the waterway system comprises a shell, wherein a contact mechanism and an actuating mechanism are arranged in the shell, the actuating mechanism comprises a diaphragm and a connector, the connector is made of nonmetal materials, and the connector comprises a base used for being connected with the inner wall of the shell and a connecting pipe used for enabling fluid to enter the shell to be in contact with the diaphragm.
The action mechanism further comprises a mounting frame, a push rod in sliding fit is arranged in the mounting frame, the bottom of the push rod is correspondingly arranged with the diaphragm, a containing groove is axially formed in the base, and the mounting frame is arranged in the containing groove and is in threaded connection with the inner wall of the containing groove.
The base circumference outer wall is equipped with the bulge loop, the base passes through bulge loop with shells inner wall joint cooperation.
The base is provided with a limit groove, and the diaphragm comprises support legs which are arranged in the limit groove.
The upper end face of the membrane is also provided with an elastic sheet, and the elastic sheet is contacted with the bottom of the ejector rod.
Still be equipped with the switch body in the casing, switch body bottom with the mounting bracket is connected, casing top outer wall still is equipped with first inserted sheet terminal and second inserted sheet terminal, first inserted sheet terminal bottom stretches into the internal stationary contact that is equipped with of switch, second inserted sheet terminal bottom stretches into in the switch body and relatively the stationary contact is equipped with the movable contact that can swing, be equipped with the movable contact on the movable contact, the ejector pin corresponds to be located movable contact below.
The switch further comprises a connecting sheet, one end of the connecting sheet is connected with the second inserting sheet terminal, and the other end of the connecting sheet is inserted into the switch body and provided with the movable contact sheet capable of swinging.
Be equipped with the boss on the mounting bracket, switch body bottom with boss joint cooperation.
The joint is made of plastic.
An assembling method for assembling the pressure switch for the waterway system is characterized by comprising the following steps of: the method comprises the following steps:
step one, assembling a switch body assembly: connecting a movable contact piece provided with a movable contact with a connecting piece, inserting one end of the connecting piece into a first mounting hole of a switch body, inserting an NC terminal provided with a static contact into a second mounting hole of the switch body, riveting the bottom of a second inserting piece terminal with the top of the connecting piece, and riveting the top of the first inserting piece terminal with the top of the NC terminal;
step two, assembling a base assembly: placing the elastic sheet into the mounting frame, placing the membrane into the base, screwing the mounting frame and the base together through threads on the periphery of the mounting frame, and finally placing the ejector rod into the mounting frame;
step three, assembly: the bottom of the switch body is matched with the boss in a clamping way, so that the switch body component and the base component are connected together;
step four, mounting a shell: sleeving the shell outside the base, exposing the upper ends of the first inserting sheet terminal and the second inserting sheet terminal to the shell, and extruding the base into the shell through external force;
step five, dispensing: and pouring the adhesive into the product through the opening at the upper end of the shell.
The beneficial effects of the utility model are as follows: the utility model provides a pressure switch for a waterway system and an assembling method, wherein a connector is made of nonmetal materials and comprises a base part connected with a shell and a connecting pipe part for entering fluid, and the pressure switch is convenient to install and safe to use.
Drawings
FIG. 1 is a schematic cross-sectional view of one embodiment of the present utility model.
FIG. 2 is a schematic partial cross-sectional view of one embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings: as shown in the figure, the pressure switch for the waterway system comprises a shell 1, wherein a contact mechanism 2 and an actuating mechanism 3 are arranged in the shell, the actuating mechanism comprises a diaphragm 31 and a connector 4, the connector is made of nonmetal materials and comprises a base 41 used for being connected with the inner wall of the shell and a connecting pipe 42 used for enabling fluid to enter the shell and contact with the diaphragm.
The connector can be made of various materials such as plastics and rubber, a runner is arranged in the connecting pipe, fluid is contacted with the membrane after passing through the runner, when the pressure is high, the membrane can push against the elastic sheet as a preferential choice, then the elastic sheet can push the ejector rod to rise, the ejector rod pushes the movable contact to open, so that the movable contact is separated from the static contact, and the switch is disconnected.
Otherwise, when the pressure is smaller, the elastic sheet is reset, the ejector rod is lowered, the movable contact is contacted with the static contact, and the switch is turned on.
The application provides a waterway system pressure switch and an assembly method, wherein the connector is made of nonmetal materials, and comprises a base part connected with a shell and a connecting pipe part used for entering fluid, so that the waterway system pressure switch is convenient to install and safe to use.
In the utility model, as shown in the figure, the actuating mechanism further comprises a mounting frame 32, wherein a push rod 33 in sliding fit is arranged in the mounting frame, the bottom of the push rod is correspondingly arranged with the membrane, a containing groove 411 is axially arranged on the base, and the mounting frame is arranged in the containing groove and is in threaded connection with the inner wall of the containing groove.
In this embodiment, the base circumference is equipped with the holding tank, and the mounting bracket is wholly located in the holding tank to be connected with the holding tank through threaded connection, simple to operate.
In the utility model, as shown in the figure, the peripheral outer wall of the base is provided with a convex ring 412, and the base is in clamping fit with the inner wall of the shell through the convex ring. The base and the shell are installed by adopting clamping installation or interference fit, so that the structure is simple, and the installation is convenient.
In the present utility model, as shown in the figure, the base is provided with a limiting groove 413, and the membrane includes a support leg 311 extending into the limiting groove. The support leg at the bottom of the diaphragm stretches into the limiting groove to limit the diaphragm, so that the diaphragm is prevented from shifting, and the operation is stable.
In the present utility model, as shown in the figure, the upper end surface of the membrane is further provided with a spring 44, and the spring contacts with the bottom of the ejector rod.
In the utility model, as shown in the figure, a switch body 6 is further arranged in the shell, the bottom of the switch body is connected with the mounting frame, a first inserting sheet terminal 51 and a second inserting sheet terminal 52 are further arranged on the outer wall of the top of the shell, the bottom of the first inserting sheet terminal stretches into the switch body 6 to be provided with a static contact 511, the bottom of the second inserting sheet terminal stretches into the switch body 6 and is provided with a movable contact 513 capable of swinging relative to the static contact, a movable contact 515 is arranged on the movable contact, and the ejector rod is correspondingly arranged below the movable contact. The tab terminal may be connected to a power source.
In the utility model, as shown in the figure, the switch further comprises a connecting piece 514, one end of the connecting piece is connected with the second inserting piece terminal, and the other end of the connecting piece is inserted into the switch body and is provided with the movable contact piece capable of swinging. The movable contact piece is installed by adopting the connecting piece, so that the movable contact piece is more convenient to install, one end of the movable contact piece is connected with the connecting piece, and the other end of the movable contact piece is used for pushing the ejector rod.
In the utility model, as shown in the figure, the mounting frame is provided with a boss 321, and the bottom of the switch body is in clamping fit with the boss. The installation is more stable.
In the present utility model, the joint is made of plastic as shown. Preferably, the connector is made of plastic, so that the cost is low and the connector is safe to use.
An assembling method of a pressure switch for assembling a waterway system, comprising the following steps:
step one, assembling a switch body assembly: connecting a movable contact 513 provided with a movable contact with a connecting sheet 514, inserting one end of the connecting sheet into a first mounting hole 61 of the switch body, inserting an NC terminal 516 provided with a stationary contact into a second mounting hole 62 of the switch body, riveting the bottom of a second inserting sheet terminal 52 with the top of the connecting sheet, and riveting the top of the first inserting sheet terminal with the NC terminal (connecting sheet can also be adopted);
step two, assembling a base assembly: placing the elastic sheet into the mounting frame, placing the membrane into the base, screwing the mounting frame and the base together through threads on the periphery of the mounting frame, and finally placing the ejector rod into the mounting frame;
step three, assembly: the bottom of the switch body is matched with the boss in a clamping way, so that the switch body component and the base component are connected together;
step four, mounting a shell: sleeving the shell outside the base, exposing the upper ends of the first inserting sheet terminal and the second inserting sheet terminal to the shell, and extruding the base into the shell through external force;
step five, dispensing: glue 9 is poured into the product through an opening 11 in the upper end of the housing.
The method has higher assembly efficiency and is a preferable scheme.
The examples should not be construed as limiting the utility model, but any modifications based on the spirit of the utility model should be within the scope of the utility model.
Claims (8)
1. The utility model provides a pressure switch for waterway system, includes casing (1), be equipped with contact mechanism (2) and actuating mechanism (3) in the casing, actuating mechanism includes diaphragm (31), its characterized in that: the device also comprises a joint (4) which is made of non-metal materials and comprises a base (41) used for being connected with the inner wall of the shell and a connecting pipe (42) used for enabling fluid to enter the shell and contact with the membrane; the action mechanism further comprises a mounting frame (32), a push rod (33) in sliding fit is arranged in the mounting frame, the bottom of the push rod is correspondingly arranged with the diaphragm, a containing groove (411) is axially formed in the base, the mounting frame is arranged in the containing groove and is in threaded connection with the inner wall of the containing groove, a convex ring (412) is arranged on the peripheral outer wall of the base, and the base is matched with the inner wall of the shell through the convex ring in a clamping manner.
2. The pressure switch for waterway system according to claim 1, wherein: the base is provided with a limit groove (413), and the membrane comprises support legs (311) extending into the limit groove.
3. The pressure switch for waterway system according to claim 1, wherein: and an elastic sheet (44) is further arranged on the upper end surface of the diaphragm, and the elastic sheet is contacted with the bottom of the ejector rod.
4. The pressure switch for waterway system according to claim 1, wherein: still be equipped with switch body (6) in the casing, switch body bottom with the mounting bracket is connected, casing top outer wall still is equipped with first inserted sheet terminal (51) and second inserted sheet terminal (52), first inserted sheet terminal bottom stretches into be equipped with stationary contact (511) in switch body (6), second inserted sheet terminal bottom stretches into in switch body (6) and relative stationary contact is equipped with wobbling movable contact (513), be equipped with movable contact (515) on the movable contact, the ejector pin corresponds to be located movable contact below.
5. The pressure switch for waterway system according to claim 4, wherein: the switch further comprises a connecting sheet (514), one end of the connecting sheet is connected with the second inserting sheet terminal, and the other end of the connecting sheet is inserted into the switch body and provided with the movable contact sheet capable of swinging.
6. The pressure switch for waterway system according to claim 5, wherein: be equipped with boss (321) on the mounting bracket, switch body bottom with boss joint cooperation.
7. The pressure switch for waterway system according to claim 1, wherein: the joint is made of plastic.
8. A method of assembling a pressure switch for a waterway system according to any one of claims 1 to 7, characterized by: the method comprises the following steps:
step one, assembling a switch body assembly: connecting a movable contact (513) provided with a movable contact with a connecting sheet (514), inserting one end of the connecting sheet into a first mounting hole (61) of the switch body, inserting an NC terminal (516) provided with a stationary contact into a second mounting hole (62) of the switch body, riveting the bottom of a second inserting sheet terminal (52) with the top of the connecting sheet, and riveting the top of the first inserting sheet terminal with the top of the NC terminal;
step two, assembling a base assembly: placing the elastic sheet into the mounting frame, placing the membrane into the base, screwing the mounting frame and the base together through threads on the periphery of the mounting frame, and finally placing the ejector rod into the mounting frame;
step three, assembly: the bottom of the switch body is matched with the boss in a clamping way, so that the switch body component and the base component are connected together;
step four, mounting a shell: sleeving the shell outside the base, exposing the upper ends of the first inserting sheet terminal and the second inserting sheet terminal to the shell, and extruding the base into the shell through external force;
step five, dispensing: glue (9) is poured into the product through an opening (11) at the upper end of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357415.2A CN108493049B (en) | 2018-04-20 | 2018-04-20 | Pressure switch for waterway system and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357415.2A CN108493049B (en) | 2018-04-20 | 2018-04-20 | Pressure switch for waterway system and assembling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108493049A CN108493049A (en) | 2018-09-04 |
| CN108493049B true CN108493049B (en) | 2023-12-19 |
Family
ID=63313630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810357415.2A Active CN108493049B (en) | 2018-04-20 | 2018-04-20 | Pressure switch for waterway system and assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108493049B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045023B (en) * | 2021-04-26 | 2022-07-15 | 宁波利佳青石电气科技有限公司 | High-low voltage switch of water purifier |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2144859Y (en) * | 1992-01-18 | 1993-10-27 | 顾适 | Stream current relay |
| CN2788339Y (en) * | 2005-01-25 | 2006-06-14 | 杨振华 | Liquid high voltage switch |
| CN202084473U (en) * | 2011-06-09 | 2011-12-21 | 刘晓红 | Anti-explosion pressure switch |
| CN203339058U (en) * | 2013-08-05 | 2013-12-11 | 浙江力夫机电制造有限公司 | Overpressure resistant control switch |
| CN203966969U (en) * | 2014-07-02 | 2014-11-26 | 宁波捷尔天电气有限公司 | New type steam pressure switch |
| CN106384693A (en) * | 2016-08-16 | 2017-02-08 | 杭州富阳中荷电子有限公司 | High-voltage switch |
| CN206505866U (en) * | 2017-02-28 | 2017-09-19 | 常州市雷利压力控制器有限公司 | Pressure resistant type locomotive oil pressure pressure controlling switch |
| CN107293445A (en) * | 2017-09-07 | 2017-10-24 | 南通曼淇威电气有限公司 | Quickly dismantled pressure controller |
| CN208093442U (en) * | 2018-04-20 | 2018-11-13 | 浙江力夫自控技术股份有限公司 | Water circuit system pressure switch |
-
2018
- 2018-04-20 CN CN201810357415.2A patent/CN108493049B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2144859Y (en) * | 1992-01-18 | 1993-10-27 | 顾适 | Stream current relay |
| CN2788339Y (en) * | 2005-01-25 | 2006-06-14 | 杨振华 | Liquid high voltage switch |
| CN202084473U (en) * | 2011-06-09 | 2011-12-21 | 刘晓红 | Anti-explosion pressure switch |
| CN203339058U (en) * | 2013-08-05 | 2013-12-11 | 浙江力夫机电制造有限公司 | Overpressure resistant control switch |
| CN203966969U (en) * | 2014-07-02 | 2014-11-26 | 宁波捷尔天电气有限公司 | New type steam pressure switch |
| CN106384693A (en) * | 2016-08-16 | 2017-02-08 | 杭州富阳中荷电子有限公司 | High-voltage switch |
| CN206505866U (en) * | 2017-02-28 | 2017-09-19 | 常州市雷利压力控制器有限公司 | Pressure resistant type locomotive oil pressure pressure controlling switch |
| CN107293445A (en) * | 2017-09-07 | 2017-10-24 | 南通曼淇威电气有限公司 | Quickly dismantled pressure controller |
| CN208093442U (en) * | 2018-04-20 | 2018-11-13 | 浙江力夫自控技术股份有限公司 | Water circuit system pressure switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108493049A (en) | 2018-09-04 |
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