CN203721624U - Small-scale double-potential pressure switch with OFF/ON function - Google Patents
Small-scale double-potential pressure switch with OFF/ON function Download PDFInfo
- Publication number
- CN203721624U CN203721624U CN201420056601.XU CN201420056601U CN203721624U CN 203721624 U CN203721624 U CN 203721624U CN 201420056601 U CN201420056601 U CN 201420056601U CN 203721624 U CN203721624 U CN 203721624U
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- China
- Prior art keywords
- pressure switch
- push rod
- inserted sheet
- switch
- moving contact
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- Withdrawn - After Issue
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Abstract
The utility model discloses a small-scale double-potential pressure switch with an OFF/ON function. The small-scale double-potential pressure switch comprises a pressure switch, an electrical part connected with a pump in a controlling manner is arranged in the pressure switch, and the pressure switch is also provided with a toggle switch for controlling the movement of the electrical part to control the electrical on-off of the pressure switch. The beneficial effects of the small-scale double-potential pressure switch are that the movement of the electrical part can be controlled by the toggle switch so that the OFF/ON function of the pressure switch is performed, and an extra OFF/ON switch connected with the pump in a controlling manner is not needed.
Description
Technical field
The utility model relates to pressure regulating switch technical field, particularly a kind of small capacity double current potential pressure switch with OFF/ON function.
Background technology
Be usually used in controlling pneumatic and pressure control switch water loop pressure have a lot of in, as used the pressure-regulating device in air compressor machine, in order to detect the gas pressure in gas receiver, in the time that the gas pressure in gas receiver is greater than the gas pressure that pumping pressurizes, pressure-regulating device forces motor to shut down, pumping stops gas pressurized sending into gas receiver, makes the gas refluxing directly not impact the pumping in running, and coordinates relief valve to reduce the gas pressure in gas receiver.
In order to solve the problems of the technologies described above, China Patent No. 200820055424.8 discloses a kind of novel pressure tunable switch apparatus, comprise pedestal and be compound in the vapour cup of pedestal bottom, pedestal and vapour cup define a chamber, top in pedestal is provided with a pressure regulation screwed hole, and bottom is provided with shoulder hole, on vapour cup, be provided with a working media entrance hole, at shoulder hole and a middle push rod guide bracket and the seal membrane of being provided with of vapour cup internal upper part of pedestal, seal membrane is positioned at the bottom of push rod guide bracket, push rod guide bracket and seal membrane are separated into downforce chamber and the gas chamber that powers on by chamber, in the middle of push rod guide bracket, have a push-rod hole, push-rod hole is laid a stairstepping push rod that extends upwardly into the gas chamber that powers on, in pressure regulation screwed hole, be rotary with a screw press, between screw press and stairstepping push rod upper end, be provided with a pressure spring, be provided with ecto-entad in pedestal bottom one side and insert fixed contact inserted sheet and the moving contact inserted sheet of the gas chamber that powers on, moving, fixed contact inserted sheet is positioned at one end outside pedestal and is welded with wire, be positioned at fixed contact inserted sheet on one end of the gas chamber that powers on and be provided with fixed contact, the one end that is positioned at the gas chamber that powers at moving contact inserted sheet has the hole that the multidiameter of an appearance stairstepping push rod upper end passes and is fixed on both sides, hole nose bar and moving contact to downward-extension, on the multidiameter of stairstepping push rod upper end also cover have with moving contact inserted sheet on the transition contacts conducting strip of nose bar conductive contact, on transition contacts conducting strip, be provided with the transition contacts that contacts conduction with the fixed contact on fixed contact inserted sheet with the moving contact on moving contact inserted sheet.
But above-mentioned patent does not possess OFF/ON function, need the OFF/ON switch of setting in addition and pumping control connection.
Utility model content
The purpose of this utility model is for shortcomings and deficiencies of the prior art, provides a kind of simple in structure and small capacity double current potential pressure switch with OFF/ON function, to address the above problem.
The technical problem that the utility model solves can realize by the following technical solutions:
With the small capacity double current potential pressure switch of OFF/ON function, comprise a pressure switch, in described pressure switch, be provided with one with the electric component of pumping control connection, in described pressure switch, be also provided with the described electric component of a control and move the toggle switch of the electric break-make of controlling described pressure switch.
In a preferred embodiment of the present utility model, described pressure switch comprises pedestal and vapour cup, described pedestal and vapour cup define a chamber, between described pedestal and vapour cup, be provided with shake-up parts that are subject to pressure medium control, described chamber is separated into power on gas chamber and downforce chamber by described shake-up parts, described in described electric component is arranged on, power in gas chamber, described in the power on top of gas chamber be a tapped tube structure, described electric component comprises:
Be arranged on a pair of moving contact inserted sheet and a pair of fixed contact inserted sheet on described pedestal, described in extending to, the inner of described a pair of moving contact inserted sheet and a pair of fixed contact inserted sheet powers in gas chamber, outer end extends to outside described pedestal, described in the fixed contact of the moving contact of described a pair of moving contact inserted sheet and described a pair of fixed contact inserted sheet is all arranged on, powers in gas chamber;
One with external screw thread and be arranged in the look nut in described tube structure;
Be arranged on the push rod of described look nut below, the lower end of described push rod and described shake-up parts are conflicted, the top of described push rod is provided with the hook part of extending described pedestal, described push rod is connected with the moving contact of described moving contact inserted sheet, and the action of described push rod drives the moving contact of described moving contact inserted sheet contact or throw off with the fixed contact of described fixed contact inserted sheet;
Two ends are enclosed within respectively the back-moving spring of described look nut bottom and described push rod upper end;
Described pressure switch also comprises a toggle switch, and described toggle switch has one and is used in conjunction with described hook part the main hook part that drives described push rod to move.
In a preferred embodiment of the present utility model, described toggle switch is one to be set in the rotary switch outside described tube structure, described main hook part is arranged on described rotary switch lower end, drives hook part that described main hook part triggers described push rod so that the action of described push rod when the rotation of described rotary switch.
In a preferred embodiment of the present utility model, described shake-up parts comprise:
One is arranged on the diaphragm on described vapour cup air inlet;
Be arranged on described diaphragm near the dish-shaped shell fragment in the one side of described pedestal;
Be arranged on the sealing ring between the dish limit of described diaphragm and described dish-shaped shell fragment.
Owing to having adopted technical scheme as above, the beneficial effects of the utility model are: can make electric component action by toggle switch, thereby reach the OFF/ON function of pressure switch, the OFF/ON switch without other setting with pumping control connection.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of embodiment of the small capacity double current potential pressure switch of the utility model band OFF/ON function (removing after vapour cup).
Longitudinal sectional view when Fig. 2 is the electric connection of a kind of embodiment of small capacity double current potential pressure switch of the utility model band OFF/ON function.
Longitudinal sectional view when Fig. 3 is the electric disconnection of a kind of embodiment of small capacity double current potential pressure switch of the utility model band OFF/ON function.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to the small capacity double current potential pressure switch with OFF/ON function shown in Fig. 1 to Fig. 3, comprise pressure switch 1000, pressure switch 1000 comprises pedestal 100 and vapour cup 200, vapour cup 200 is arranged on pedestal 100 bottoms by engage thread or insert mode, and the inwall of the inwall of pedestal 100 and vapour cup 200 defines a chamber.Between pedestal 100 and vapour cup 200, be provided with shake-up parts 210 that are subject to pressure medium control, touch parts 210 chamber is separated into power on gas chamber 400 and downforce chamber 215.Wherein, touch parts 210 and comprise diaphragm 214, dish-shaped shell fragment 211 and rubber seal 213, diaphragm 214 is arranged on vapour cup 200 air inlets 216, and dish-shaped shell fragment 211 is sticked on diaphragm 214, and rubber seal 213 is arranged between diaphragm 214 and the dish limit 212 of dish-shaped shell fragment 211.
The power on top of gas chamber 400 is a tapped tube structure 401, in gas chamber 400, be provided with electric component powering on, electric component comprises a pair of moving contact inserted sheet 410, a pair of fixed contact inserted sheet 420, look nut 430, push rod 440, back-moving spring 450.
The inner of a pair of moving contact inserted sheet 410, a pair of fixed contact inserted sheet 420 extends to and powers in gas chamber 400, outer end extends to outside pedestal 100, outer end is welded with wire, and the fixed contact of the moving contact of a pair of moving contact inserted sheet 410, a pair of fixed contact inserted sheet 420 is all arranged on and powers in gas chamber 400.
Look nut 430, with external screw thread, is arranged in tube structure 410 inner chamber tops.
The lower end 440a of push rod 440 conflicts through the through hole 460 powering in gas chamber 400 and the upper surface of dish-shaped shell fragment 211, the upper end 440b of push rod 440 is positioned at look nut 430 belows, and the two ends of back-moving spring 450 are enclosed within respectively look nut 430 bottoms and push rod 440 upper end 440b.Power in gas chamber 400 and be also provided with stepped hole 470, the top of push rod 440 has a step position-limited edge 444 coordinating with stepped hole 470.The top of push rod 440 is provided with the transverse part 440 extending along stepped hole 470 Widths, be provided with vertically upward a vertical part 441 in one end of transverse part 445, extend outside pedestal 100 through the through hole 480 at gas chamber 400 tops that power on this vertical part 441, and be also provided with a hook part 442 inwardly hooking on the top of vertical part 441, and the upper surface of the bottom of hook part 442 and pedestal 100 leaves gap 443.
One side of push rod 440 is provided with contact transition part (not shown), this contact transition part is connected with the moving contact of a pair of moving contact inserted sheet 410, and can control contacting or disengagement of the moving contact of a pair of moving contact inserted sheet 410 and the fixed contact of a pair of fixed contact inserted sheet by controlling this contact transition part.
Be provided with a toggle switch at the top of pedestal 100, toggle switch in the present embodiment is one to be set in the rotary switch 300 outside tube structure 401, be provided with a main hook part 310 being used in conjunction with hook part 442 in the lower end of rotary switch 300, main hook part 310 turns to the one side of hook part 442 to be provided with inclined plane, facilitates main hook part 310 in rotation process, to drive hook part 442 upwards to carry.Certainly, toggle switch can be also push-button switch, also can drive hook part 442 upwards to carry by push-button switch.
Operation principle of the present utility model is as follows:
Shown in Figure 2, in the time that the main hook part 310 of rotary switch 300 does not have with hook part 442 mating reaction, push rod 400 moves downward in a state of nature under the effect of back-moving spring 450, the moving contact of moving contact inserted sheet 410 now contacts with the fixed contact of fixed contact inserted sheet 420, so this pressure switch, in normally off, has ON function; In the time that pumping is worked, in air accumulator, inflate, compressed air also enters into downforce chamber 215 simultaneously, along with the increased pressure in downforce chamber 215, the pressure increasing exceedes after the initial pressure value of back-moving spring 450, dish shell fragment 211 promotes push rod 440 and moves upward, make the contact transition part of push rod 440 drive the moving contact of a pair of moving contact inserted sheet 410 and the fixed contact of a pair of fixed contact inserted sheet to throw off, whole pressure switch is in off-state, pumping quits work, simultaneously back-moving spring compress energy storage.In the time that the pressure in air accumulator continues to reduce, along with the pressure drop of downforce chamber 215, instantly when the pressure in pressure chamber 215 is lower than the initial pressure value of back-moving spring 450, back-moving spring 450 promotes push rod 440 and moves downward, now, the contact transition part of push rod 440 drives the moving contact of a pair of moving contact inserted sheet 410 to contact with the fixed contact of a pair of fixed contact inserted sheet, and whole pressure switch is in normally off, pumping work, continues to inflate in air accumulator.
The utility model can also regulate pressure OFF value, rotation look nut 430, change the decrement of back-moving spring 450, to change the initial pressure value of back-moving spring 450, in the time that the initial pressure value of back-moving spring 450 diminishes, pressure OFF value diminishes, otherwise when the initial pressure value of back-moving spring 450 becomes large, it is large that pressure OFF value becomes.
Shown in Figure 3, when the main hook part 310 of rotary switch 300 is during with hook part 442 mating reaction, rotation rotary switch 300, make winner hook part 310 pave hook part 442, so push rod 440 moves upward, make the contact transition part of push rod 440 drive the moving contact of a pair of moving contact inserted sheet 410 and the fixed contact of a pair of fixed contact inserted sheet to throw off, whole pressure switch is in off-state, pumping quits work, and has OFF function, the OFF/ON switch without other setting with pumping control connection.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the small capacity double current potential pressure switch with OFF/ON function, comprise a pressure switch, in described pressure switch, be provided with one with the electric component of pumping control connection, it is characterized in that, in described pressure switch, be also provided with the described electric component of a control and move the toggle switch of the electric break-make of controlling described pressure switch.
2. the small capacity double current potential pressure switch with OFF/ON function as claimed in claim 1, it is characterized in that, described pressure switch comprises pedestal and vapour cup, described pedestal and vapour cup define a chamber, between described pedestal and vapour cup, be provided with shake-up parts that are subject to pressure medium control, described chamber is separated into power on gas chamber and downforce chamber by described shake-up parts, described in being arranged on, described electric component powers in gas chamber, the top of the described gas chamber that powers on is a tapped tube structure, and described electric component comprises:
Be arranged on a pair of moving contact inserted sheet and a pair of fixed contact inserted sheet on described pedestal, described in extending to, the inner of described a pair of moving contact inserted sheet and a pair of fixed contact inserted sheet powers in gas chamber, outer end extends to outside described pedestal, described in the fixed contact of the moving contact of described a pair of moving contact inserted sheet and described a pair of fixed contact inserted sheet is all arranged on, powers in gas chamber;
One with external screw thread and be arranged in the look nut in described tube structure;
Be arranged on the push rod of described look nut below, the lower end of described push rod and described shake-up parts are conflicted, the top of described push rod is provided with the hook part of extending described pedestal, described push rod is connected with the moving contact of described moving contact inserted sheet, and the action of described push rod drives the moving contact of described moving contact inserted sheet contact or throw off with the fixed contact of described fixed contact inserted sheet;
Two ends are enclosed within respectively the back-moving spring of described look nut bottom and described push rod upper end;
Described pressure switch also comprises a toggle switch, and described toggle switch has one and is used in conjunction with described hook part the main hook part that drives described push rod to move.
3. the small capacity double current potential pressure switch with OFF/ON function as claimed in claim 2, it is characterized in that, described toggle switch is one to be set in the rotary switch outside described tube structure, described main hook part is arranged on described rotary switch lower end, drives hook part that described main hook part triggers described push rod so that the action of described push rod when the rotation of described rotary switch.
4. the small capacity double current potential pressure switch with OFF/ON function as described in claim as arbitrary in claims 1 to 3, is characterized in that, described shake-up parts comprise:
One is arranged on the diaphragm on described vapour cup air inlet;
Be arranged on described diaphragm near the dish-shaped shell fragment in the one side of described pedestal;
Be arranged on the sealing ring between the dish limit of described diaphragm and described dish-shaped shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056601.XU CN203721624U (en) | 2014-01-29 | 2014-01-29 | Small-scale double-potential pressure switch with OFF/ON function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056601.XU CN203721624U (en) | 2014-01-29 | 2014-01-29 | Small-scale double-potential pressure switch with OFF/ON function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721624U true CN203721624U (en) | 2014-07-16 |
Family
ID=51160761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420056601.XU Withdrawn - After Issue CN203721624U (en) | 2014-01-29 | 2014-01-29 | Small-scale double-potential pressure switch with OFF/ON function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794405A (en) * | 2014-01-29 | 2014-05-14 | 詹奇峰 | Small-size double-potential pressure switch with OFF/ON function |
| CN105719901A (en) * | 2014-11-28 | 2016-06-29 | 王刚 | Dish-shaped spring sheet automatic pressure switch |
-
2014
- 2014-01-29 CN CN201420056601.XU patent/CN203721624U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794405A (en) * | 2014-01-29 | 2014-05-14 | 詹奇峰 | Small-size double-potential pressure switch with OFF/ON function |
| CN103794405B (en) * | 2014-01-29 | 2016-01-06 | 詹奇峰 | With the small capacity double differential pressure switch of OFF/ON function |
| CN105719901A (en) * | 2014-11-28 | 2016-06-29 | 王刚 | Dish-shaped spring sheet automatic pressure switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20160106 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |