CN2721927Y - Pressure adjuster of electric pump - Google Patents
Pressure adjuster of electric pump Download PDFInfo
- Publication number
- CN2721927Y CN2721927Y CN 200420078482 CN200420078482U CN2721927Y CN 2721927 Y CN2721927 Y CN 2721927Y CN 200420078482 CN200420078482 CN 200420078482 CN 200420078482 U CN200420078482 U CN 200420078482U CN 2721927 Y CN2721927 Y CN 2721927Y
- Authority
- CN
- China
- Prior art keywords
- changing device
- pressure
- instantaneously changing
- springboard
- adjusting screw
- 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 - Lifetime
Links
Abstract
The utility model discloses a pressure adjuster of an electric pump. On a base with a joint, a pressure adjuster which is composed of a spring and an adjusting screw press a diaphragm to a pressure sensing cavity through a pressing block; the pressing block supports an instantaneously changing device on a racking plate, and the contact point is connected with a springboard of the instantaneously changing device through a draw rod, wherein, a secondary control screw arranged on a machine frame supports the springboard of the instantaneously changing device. Through the adjustment of a secondary adjusting screw, the displacement value between the upper and the lower limit of the critical point of the instantaneously changing device can be adjusted, and namely, the differential value between the upper and the lower limit of the set pressure can be adjusted, which attains the goal of setting the upper and the lower limit of the pressure.
Description
Technical field
The utility model relates to the electrical automatic control equipment of pump, particularly to the improvement of the pressure controller of electric pump.
Background technique
On electric pumps such as electric water pump, air pump, for being reached on the setting value at pressure, it quits work automatically in limited time, pressure drops under the setting value in limited time and start automatically, to realize the purpose of control automatically, installed pressure controller on electric pump.Present pressure controller, be on a base that has a joint, the regulator of being made up of spring and adjusting screw is attached to pressing diaphragm on the pressure-sensitive chamber of this base by briquetting, and briquetting contacts on the rocker of instantaneously changing device, and the contact is connected by pull bar with the springboard of instantaneously changing device.Flange seat is connected on the delivery outlet or pressure-stored tank of pump, when pressure rises, surpasses certain value, and briquetting promotes the rocker of instantaneously changing device and crosses transition point, makes the rapid redirect of springboard of instantaneously changing device, and move the pulling contact, disconnects the power supply of motor; On the contrary, when pressure dropped to certain value, the rocker of instantaneously changing device moved back transition point, also made the rapid redirect of springboard of instantaneously changing device, promoted the contact action, connected the power supply of motor, realized the automatic control of pump.
In the prior art,, the displacement transition point of instantaneously changing device determined that the shift value between its upper and lower is fixed because being structure, size by itself.Therefore, existing pressure controller can only be by the pressure of adjusting screw Regulation spring, and then accurately set in the upper limit of action or the lower limit one, such as the accurate capping of need, then lower limit is to deduct certain value by the upper limit that sets, need accurately to set lower limit, then the upper limit is to add certain value by the lower limit that sets, and this difference becomes a fixed proportion with the force value of setting.Therefore, the existing pressure controller upper lower limit value of setting pressure simultaneously accurately.
Summary of the invention
The purpose of this utility model is to be to provide a kind of electric pump pressure controller that can accurately set upper and lower.
Scheme of the present utility model is: having on the base of joint, the regulator of being made up of spring and adjusting screw is attached to pressing diaphragm on the pressure-sensitive chamber of this base by briquetting, briquetting contacts on the rocker of instantaneously changing device, the contact is connected by pull bar with the springboard of instantaneously changing device, wherein, on frame, be provided with secondary adjusting screw, contact with the springboard of instantaneously changing device.
The utility model has the advantages that: owing to be provided with secondary adjusting screw, contact with the springboard of instantaneously changing device, adjusting by this screw, can regulate the shift value between the upper and lower of transition point of instantaneously changing device, promptly can regulate the difference between the setting pressure upper and lower, reach the purpose of accurate setting pressure upper and lower.
Description of drawings
The utility model is described in further detail with embodiment with reference to the accompanying drawings below.
Fig. 1 is the utility model structural representation.
Fig. 2 is the right elevation of Fig. 1.
Among the figure, 1 adjusting screw, 2 springs, the rocker of 3 instantaneously changing devices, the springboard of 4 instantaneously changing devices, 5 briquettings, 6 diaphragms, 7 bases, the spring of 8 instantaneously changing devices, 9 secondary adjusting screw, 10 pull bars, 11 supports, 12 contacts.
Embodiment
See figures.1.and.2, structure of the present utility model is: on base 7, the regulator of being made up of spring 2 and adjusting screw 1 overlays diaphragm 6 on the pressure-sensitive chamber of this base 7 by briquetting 5, be on the inner port of its inner chamber, in order to perception hydraulic pressure or air pressure, briquetting 5 contacts on the rocker 3 of instantaneously changing device, contact 12 is connected by pull bar 10 with the springboard 4 of instantaneously changing device, wherein, on frame 11, be provided with secondary adjusting screw 9, contact with the springboard 4 of instantaneously changing device.
During use, base 7 is connected on the delivery outlet or pressure-stored tank of pump by its joint, when pressure rises, diaphragm 6 pushes briquetting 5 and rises, and promotes the rocker 3 of instantaneously changing device, when moving and surpassing critical localisation, under the elastic force effect of spring 8, springboard 4 is flicked downwards rapidly, by pull bar 10 contact 12 is drawn back, and cuts off circuit.
Otherwise when pressure descends, under the effect of spring 2, briquetting 5, diaphragm 6 descend, and the rocker 3 of instantaneously changing device moves down, and when moving and surpassing critical localisation, under the elastic force effect of spring 8, springboard 4 is upwards flicked rapidly, and contact 12 recovers closed, connects circuit.
Secondary adjusting screw 9 contacts on the springboard 4 of instantaneously changing device, plays position-limiting action, promptly defines the initial position of springboard 4.This screw reduces the aperture of springboard 4 bobs toward downward modulation, and the stroke that rocker 3 moves hour can make springboard 4 redirects, otherwise then needs big stroke.Like this, 9 downward modulations of secondary adjusting screw, even the difference between the upper and lower of pressure dwindle, otherwise increase.In conjunction with the adjusting of adjusting screw 1, can realize the accurate setting of pressure upper and lower.
Claims (1)
- A kind of electric pump pressure controller, having on the base of joint (7), the regulator of being made up of spring (2) and adjusting screw (1) is attached to pressing diaphragm on the pressure-sensitive chamber of this base (7) by briquetting (5), briquetting (5) contacts on the rocker (3) of instantaneously changing device, contact (12) is connected by pull bar (10) with the springboard (4) of instantaneously changing device, it is characterized in that: on frame (11), be provided with secondary adjusting screw (9), contact with the springboard (4) of instantaneously changing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420078482 CN2721927Y (en) | 2004-08-09 | 2004-08-09 | Pressure adjuster of electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420078482 CN2721927Y (en) | 2004-08-09 | 2004-08-09 | Pressure adjuster of electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2721927Y true CN2721927Y (en) | 2005-08-31 |
Family
ID=35012299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420078482 Expired - Lifetime CN2721927Y (en) | 2004-08-09 | 2004-08-09 | Pressure adjuster of electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2721927Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889203A (en) * | 2012-09-04 | 2013-01-23 | 台州威尔普电器有限公司 | Pressure controller |
| CN103343745A (en) * | 2013-07-19 | 2013-10-09 | 陈佳妮 | Automatic pressure controller of electric pump |
| CN104085376A (en) * | 2014-07-17 | 2014-10-08 | 王智 | Safety-type car washer automatic starting and shut-off device and car washing system with same |
-
2004
- 2004-08-09 CN CN 200420078482 patent/CN2721927Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889203A (en) * | 2012-09-04 | 2013-01-23 | 台州威尔普电器有限公司 | Pressure controller |
| CN103343745A (en) * | 2013-07-19 | 2013-10-09 | 陈佳妮 | Automatic pressure controller of electric pump |
| CN103343745B (en) * | 2013-07-19 | 2015-07-01 | 陈佳妮 | Automatic pressure controller of electric pump |
| CN104085376A (en) * | 2014-07-17 | 2014-10-08 | 王智 | Safety-type car washer automatic starting and shut-off device and car washing system with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2721927Y (en) | Pressure adjuster of electric pump | |
| CN204375648U (en) | A kind of hydraulic pressure switch | |
| CN2914307Y (en) | Air-pressure switch | |
| CN2847508Y (en) | Water pump pressure controller | |
| CN203751657U (en) | Bearing press mounting device | |
| CN213122722U (en) | Adjustable pressure controller | |
| CN2793367Y (en) | Two-way pressure controller of air pump | |
| CN213647729U (en) | Vertical cutting machine for hydraulic rubber tube | |
| CN2721911Y (en) | Pressure controller of air pump | |
| CN210778394U (en) | Automatic pressure regulating switch structure of electric pressure cooker | |
| CN201539396U (en) | Water pump pressure controller with adjustable starting pressure | |
| CN102996890B (en) | Water purifier pipe connecting member | |
| CN202414224U (en) | Pedal-type sealing machine | |
| CN2703319Y (en) | Adjustable pressure switch | |
| CN2409045Y (en) | Automatic hydraulic oil press | |
| CN202601506U (en) | Pressure controller | |
| CN219144007U (en) | Improved structure of sealing travel control switch | |
| CN214956617U (en) | TSV constant temperature reset type temperature controller | |
| CN218939530U (en) | Low-temperature-resistant plug-in temperature controller | |
| CN2793366Y (en) | Air-pump pressure controller with manual adjuster | |
| CN214956619U (en) | TSV high stability defrosting type temperature controller | |
| CN211566029U (en) | Adjusting mechanism of board separator | |
| CN201934296U (en) | Water pump pressure controller convenient for regulating pressure | |
| CN218804249U (en) | Carton cutting device is used in carton production | |
| CN202992349U (en) | Water purifying machine pipeline joint part component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140809 Granted publication date: 20050831 |