CN204375648U - A kind of hydraulic pressure switch - Google Patents
A kind of hydraulic pressure switch Download PDFInfo
- Publication number
- CN204375648U CN204375648U CN201520018881.XU CN201520018881U CN204375648U CN 204375648 U CN204375648 U CN 204375648U CN 201520018881 U CN201520018881 U CN 201520018881U CN 204375648 U CN204375648 U CN 204375648U
- Authority
- CN
- China
- Prior art keywords
- hydraulic pressure
- actuating rod
- pressure switch
- diaphragm seal
- upper cover
- 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
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- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 230000035945 sensitivity Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000009471 action Effects 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The utility model discloses a kind of hydraulic pressure switch, comprise upper cover and be arranged on the base below upper cover, described upper cover cavity is provided with diaphragm seal, actuating rod and centring ring is provided with below diaphragm seal, described actuating rod and centring ring matched in clearance, sensitive switch is provided with below actuating rod, actuating rod contacts with the shift knob of sensitive switch, COM terminal is provided with in described base, NC terminal, NO terminal and spring, the portion of terminal of described sensitive switch is inserted on above-mentioned three terminals, also set screw is provided with below base, described both ends of the spring abuts with set screw and actuating rod respectively, this hydraulic pressure switch has compact conformation, produce assembling simple, sensitivity advantages of higher, the good seal performance of hydraulic pressure switch simultaneously, pressure is easy to adjust.
Description
Technical field
The utility model relates generally to electric elements field, specifically a kind of hydraulic pressure switch.
Background technology
For electric device such as picture water heater, wall-mounted electrical heating stove etc., in use in order to avoid there is dry combustion method proterctive equipment, adopting hydraulic pressure switch to make its work that is energized when water flowing, automatically closing after cutting off the water supply.
Traditional hydraulic pressure switch is made up of body, float, contact pilotage and relay, when current enter hydraulic pressure switch body from one end, relay opened by float rising jack-up contact pilotage makes hydraulic pressure switch open-minded, but the problems such as this traditional hydraulic pressure opening structure exists complex structure, sensitivity is low, not high pressure resistant, pressure adjustment is inconvenient, assembling complex effects production efficiency.
Utility model content
The technical problem that the utility model solves is, for the deficiency of current technology, provides a kind of hydraulic pressure switch, and this hydraulic pressure switch has compact conformation, produces and assemble simple, sensitivity advantages of higher, and the good seal performance of hydraulic pressure switch simultaneously, pressure is easy to adjust.
For achieving the above object, technical solutions of the utility model are as follows:
A kind of hydraulic pressure switch, comprise upper cover and be arranged on the base below upper cover, described upper cover cavity is provided with diaphragm seal, actuating rod and centring ring is provided with below diaphragm seal, described actuating rod and centring ring matched in clearance, sensitive switch is provided with below actuating rod, actuating rod contacts with the shift knob of sensitive switch, COM terminal, NC terminal, NO terminal and spring is provided with in described base, the portion of terminal of described sensitive switch is inserted on above-mentioned three terminals, also be provided with set screw below base, described both ends of the spring abuts with set screw and actuating rod respectively.
Further, described upper cover and base are fixed by circle riveting of riveting tightly.
Further, described upper cover cavity is provided with annular groove, mounting O-shaped rings in annular groove, and O type circle contacts with diaphragm seal.
Further, packing ring is provided with between described spring and set screw.
Further, described diaphragm seal is provided with projection, and actuating rod is provided with the groove corresponding with projection.
Further, described base is provided with the location notch placing spring.
Further, described set screw lower surface is provided with the location notch of placing screws bottle opener.
The beneficial effects of the utility model:
1, the utility model compact conformation, easy for installation, greatly heighten production efficiency, make this switch have higher sensitivity by microswitch structure simultaneously, by the starting pressure of spring structure control switch, control range is wide, the use compared with flood pressure can be met, be provided with pressure adjustment knob bottom Simultaneous Switching, make pressure easy to adjust.
2, upper cover and base riveting are fixed by circle of riveting tightly by hydraulic pressure switch after finishing assembly, and make switch become integrated switched, outward appearance is beautiful easy to use.
3, by the sealing of O type circle, effective anti-sealing infiltrates the powered device of switch internal, adds useful life and the coefficient of safety of switch.
4, be provided with pad between spring and adjusting bolt, below set screw, be provided with the location notch of placing screws bottle opener, make adjustment structure stable convenient.
5, diaphragm seal adopts stainless steel diaphragm seal, by the groove on the protruding push action push rod on diaphragm seal, in order to avoid in the course of work diaphragm seal with moved push rod relative position and changed, add the sensitivity of switch.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model general structure schematic diagram;
Accompanying drawing 2 is the utility model fractionation structural representation;
Accompanying drawing 3 is the utility model upward view structural representation.
Label shown in accompanying drawing: 1, upper cover; 2, O type circle; 3, diaphragm seal; 4, centring ring; 5, actuating rod; 6, sensitive switch; 7, COM terminal; 8, NC terminal; 9, NO terminal; 10, to rivet tightly circle; 11, spring; 12, pad; 13, base; 14, set screw.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As Fig. 1, Fig. 2, hydraulic pressure switch shown in Fig. 3, the base 13 comprising upper cover 1 and be arranged on below upper cover, the inner chamber of described upper cover 1 is provided with diaphragm seal 3, diaphragm seal 3 can prioritizing selection stainless steel diaphragm seal, deform toward pressing down after being subject to certain hydraulic pressure, actuating rod 5 and centring ring 4 is provided with below diaphragm seal 3, described actuating rod 5 and centring ring 4 matched in clearance, centring ring 4 upper surface contacts with diaphragm seal, the inner chamber close contact of outer ring and upper cover 1, centring ring 4 is the annulars having shoulder hole, actuating rod 5 is arranged in centring ring 4 and centring ring 4 matched in clearance, actuating rod 5 can axially vertical motion, the shoulder hole of centring ring 4 has two positioning actions to actuating rod 5, the radial motion of limit movement push rod 5 on the one hand, the distance that one side limit movement push rod 5 moves upward, a boss is all had above and below actuating rod 5, the convex platform of actuating rod 5 is promoted after diaphragm seal 3 compressive deformation, sensitive switch 6 is provided with below actuating rod 5, the lower convex platform of actuating rod 5 contacts with the shift knob of sensitive switch 6, produce distortion pushing action push rod 5 at diaphragm seal 3 like this to move downward, trigger sensitive switch 6, sensitive switch 6 has small contact separation and snap-action mechanism, the contact mechanism of switch motion is carried out by the stroke of regulation and the power of regulation, COM terminal 7 is provided with in base 13, NC terminal 8, NO terminal 9 and spring 11, the portion of terminal of described sensitive switch 6 is inserted on above-mentioned three terminals, can by electric signal transmission on three terminals after sensitive switch triggers, set screw 14 is also provided with below base 13, described spring 11 two ends abut with set screw 14 and actuating rod 5 respectively, set screw 14 is threaded connection on base 13, the decrement of set screw 14 adjustable springs 11, when amount of spring compression is large, higher hydraulic pressure is needed to move by pushing action push rod 5, when amount of spring compression hour then less hydraulic pressure just can pushing action push rod 15.
The operation principle of hydraulic pressure switch is as follows: be used on water heater for this hydraulic pressure switch, hydraulic pressure switch upper cover 1 there is limbers, after water arrives certain pressure by the limbers of upper cover 1, the pressure effect of water and stainless steel diaphragm seal 3 is utilized to be out of shape toward pressing down pushing action push rod 5, actuating rod 5 triggers sensitive switch 6 toward pressing down again, the terminal of sensitive switch 6 connects NC terminal, NO terminal, with COM terminal, these three terminals connect the binding post of water heater, now water heater energising, when cutting off the water, hydraulic pressure disappears, now spring 11 plays reset response, actuating rod 5 is up pushed away, shift the position that centring ring 4 limits onto, now the shift knob of sensitive switch 6 resets, sensitive switch 6 disconnects, water heater power-off, when needs regulate pressure of supply water, only set screw 14 need be regulated to carry out the decrement of control spring 11, now the utility model has when making water heater water flowing and is energized, the function of power-off when cutting off the water supply.
Preferably, described upper cover 1 and base 13 are fixed by circle 10 riveting of riveting tightly, and make switch become an entirety, compact conformation, outward appearance is beautiful.
Preferably, described upper cover 1 inner chamber is provided with annular groove, and in annular groove, mounting O-shaped rings 2, O type circle 2 contacts with diaphragm seal 3, and O type circle serves good sealing function, effectively prevents current from passing diaphragm seal 3 and enters internal damage device.
Preferably, described diaphragm seal 3 is provided with projection, actuating rod 5 is provided with the groove corresponding with projection, when after diaphragm seal 3 compressive deformation, groove on its protruding pushing action push rod 5, boss and groove serve positioning action, and avoiding diaphragm seal and actuating rod relative position in the course of the work to change affects switch sensitivity.
Preferably, described base 13 is provided with places the location notch of spring 11, is provided with pad 12 between spring 11 and set screw 14, and preventing from spring from producing in telescopic process being shifted affects the sensitivity of hydraulic pressure switch.
Embodiment:
Embodiment 1: a kind of hydraulic pressure switch, the base 13 comprising upper cover 1 and fixed by circle 10 riveting of riveting tightly with upper cover, the inner chamber of described upper cover 1 is provided with stainless steel diaphragm seal 3, actuating rod 5 and centring ring 4 is provided with below stainless steel diaphragm seal 3, described actuating rod 5 and centring ring 4 matched in clearance, sensitive switch 6 is provided with below actuating rod 5, actuating rod 5 contacts with the shift knob of sensitive switch 6, COM terminal 7 is provided with in described base 13, NC terminal 8, NO terminal 9 and spring 11, the portion of terminal of described sensitive switch 6 is inserted on above-mentioned three terminals, set screw 14 is also provided with below base 13, described spring 11 two ends abut with set screw 14 and actuating rod 5 respectively, described upper cover 1 inner chamber is provided with annular groove, mounting O-shaped rings 2 in annular groove, O type circle 2 contacts with diaphragm seal 3.The beneficial effect of the present embodiment is: hydraulic pressure switch is an integrated switch, and compact conformation volume is little, and outward appearance is beautiful, by the sealing of O type circle, effectively prevents current from passing diaphragm seal and enters internal damage device, add the useful life of switch.
Embodiment 2: a kind of hydraulic pressure switch, comprise upper cover 1 and with upper cover 1 below base 13, the inner chamber of described upper cover 1 is provided with stainless steel diaphragm seal 3, actuating rod 5 and centring ring 4 is provided with below stainless steel diaphragm seal 3, described actuating rod 5 and centring ring 4 matched in clearance, described diaphragm seal 3 is provided with projection, actuating rod 5 is provided with the groove corresponding with projection, sensitive switch 6 is provided with below actuating rod 5, actuating rod 5 contacts with the shift knob of sensitive switch 6, COM terminal 7 is provided with in described base 13, NC terminal 8, NO terminal 9 and spring 11, described base 13 is provided with the location notch placing spring 11, the portion of terminal of described sensitive switch 6 is inserted on above-mentioned three terminals, set screw 14 is also provided with below base 13, described spring 11 two ends abut with set screw 14 and actuating rod 5 respectively.The beneficial effect of the present embodiment is: when after diaphragm seal compressive deformation, groove on its protruding pushing action push rod, boss and groove serve positioning action, location notch on base can effectively prevent spring from telescopic process, producing displacement, and avoiding diaphragm seal and actuating rod relative position in the course of the work to change affects switch sensitivity.
Embodiment 3: a kind of hydraulic pressure switch, comprise upper cover 1 and with upper cover 1 below base 13, the inner chamber of described upper cover 1 is provided with stainless steel diaphragm seal 3, actuating rod 5 and centring ring 4 is provided with below stainless steel diaphragm seal 3, described actuating rod 5 and centring ring 4 matched in clearance, sensitive switch 6 is provided with below actuating rod 5, actuating rod 5 contacts with the shift knob of sensitive switch 6, COM terminal 7 is provided with in described base 13, NC terminal 8, NO terminal 9 and spring 11, the portion of terminal of described sensitive switch 6 is inserted on above-mentioned three terminals, set screw 14 is also provided with below base 13, described spring 11 two ends abut with set screw 14 and actuating rod 5 respectively, pad 12 is provided with between described spring 11 and set screw 14, described set screw 14 lower surface is provided with the location notch of placing screws bottle opener.The beneficial effect of the present embodiment is: to pressure setting modification stability, the convenience of hydraulic pressure switch.
Claims (8)
1. a hydraulic pressure switch, comprise upper cover (1) and be arranged on the base (13) below upper cover, it is characterized in that: the inner chamber of described upper cover (1) is provided with diaphragm seal (3), diaphragm seal (3) below is provided with actuating rod (5) and centring ring (4), described actuating rod (5) and centring ring (4) matched in clearance, actuating rod (5) below is provided with sensitive switch (6), actuating rod (5) contacts with the shift knob of sensitive switch (6), COM terminal (7) is provided with in described base (13), NC terminal (8), NO terminal (9) and spring (11), the portion of terminal of described sensitive switch (6) is inserted on above-mentioned three terminals, base (13) below is also provided with set screw (14), described spring (11) two ends abut with set screw (14) and actuating rod (5) respectively.
2. a kind of hydraulic pressure switch as claimed in claim 1, is characterized in that: described upper cover (1) and base (13) are fixed by circle (10) riveting of riveting tightly.
3. a kind of hydraulic pressure switch as claimed in claim 1, is characterized in that: described upper cover (1) inner chamber is provided with annular groove, and mounting O-shaped rings (2) in annular groove, O type circle (2) contacts with diaphragm seal (3).
4. a kind of hydraulic pressure switch as claimed in claim 1, is characterized in that: be provided with pad (12) between described spring (11) and set screw (14).
5. a kind of hydraulic pressure switch as claimed in claim 1, is characterized in that: described diaphragm seal (3) is provided with projection, and actuating rod (5) is provided with the groove corresponding with projection.
6. a kind of hydraulic pressure switch as claimed in claim 1, is characterized in that: described base (13) is provided with the location notch placing spring (11).
7. a kind of hydraulic pressure switch as claimed in claim 1, is characterized in that: described set screw (14) lower surface is provided with the location notch of placing screws bottle opener.
8. a kind of hydraulic pressure switch as claimed in claim 1, is characterized in that: described diaphragm seal (3) is stainless steel diaphragm seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520018881.XU CN204375648U (en) | 2015-01-12 | 2015-01-12 | A kind of hydraulic pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520018881.XU CN204375648U (en) | 2015-01-12 | 2015-01-12 | A kind of hydraulic pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204375648U true CN204375648U (en) | 2015-06-03 |
Family
ID=53331844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520018881.XU Expired - Fee Related CN204375648U (en) | 2015-01-12 | 2015-01-12 | A kind of hydraulic pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204375648U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107440506A (en) * | 2017-08-21 | 2017-12-08 | 佛山市顺德区德尔玛电器有限公司 | A kind of Universal base, matching component and its application method |
| CN110120311A (en) * | 2018-02-07 | 2019-08-13 | 上海哲宏机器人自动化有限公司 | A kind of waterproof switch |
| CN113314380A (en) * | 2021-04-09 | 2021-08-27 | 江元(天长)科技股份有限公司 | Mechanical pressure switch structure convenient to debug and switching system |
| CN115306735A (en) * | 2022-07-11 | 2022-11-08 | 利欧集团浙江泵业有限公司 | Controller for starting and stopping water level of submersible pump |
-
2015
- 2015-01-12 CN CN201520018881.XU patent/CN204375648U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107440506A (en) * | 2017-08-21 | 2017-12-08 | 佛山市顺德区德尔玛电器有限公司 | A kind of Universal base, matching component and its application method |
| CN107440506B (en) * | 2017-08-21 | 2022-12-16 | 广东德尔玛科技股份有限公司 | Universal base, matched assembly and use method thereof |
| CN110120311A (en) * | 2018-02-07 | 2019-08-13 | 上海哲宏机器人自动化有限公司 | A kind of waterproof switch |
| CN113314380A (en) * | 2021-04-09 | 2021-08-27 | 江元(天长)科技股份有限公司 | Mechanical pressure switch structure convenient to debug and switching system |
| CN113314380B (en) * | 2021-04-09 | 2023-06-27 | 江元(天长)科技股份有限公司 | Mechanical pressure switch structure and switch system convenient to debug |
| CN115306735A (en) * | 2022-07-11 | 2022-11-08 | 利欧集团浙江泵业有限公司 | Controller for starting and stopping water level of submersible pump |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 |