CN201893287U - Hand-reset pressure controller - Google Patents
Hand-reset pressure controller Download PDFInfo
- Publication number
- CN201893287U CN201893287U CN2010206333053U CN201020633305U CN201893287U CN 201893287 U CN201893287 U CN 201893287U CN 2010206333053 U CN2010206333053 U CN 2010206333053U CN 201020633305 U CN201020633305 U CN 201020633305U CN 201893287 U CN201893287 U CN 201893287U
- Authority
- CN
- China
- Prior art keywords
- pressure
- reed
- limiting plate
- switch housing
- cover plate
- 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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Abstract
The utility model discloses a hand-reset pressure controller, which comprises a copper connector, a protecting casing, an upper cover, an electrical switch casing, a cover plate lead, a reed, a moving contact, a static contact, a right pin, a left pin, a pressure cap, an upper pressure lever, a pressure spring, a lower pressure lever, a limiting plate, a push rod, an inductive diaphragm, a safety disc, a copper sheet and a fixed ring, wherein the pressure cap is sleeved at the upper end of the electrical switch casing; the upper end of the upper pressure lever is positioned in the pressure cap; the lower end of the upper pressure lever is positioned in the electrical switch casing; the upper end of the pressure spring is connected with the upper pressure lever; the lower end of the pressure spring is connected with the lower pressure lever; the pressure spring and the lower pressure lever are respectively positioned in the electrical switch casing; the lower end of the lower pressure lever is supported against the reed; the safety disc is positioned between a cover plate and the limiting plate; the two ends of the inductive diaphragm are clamped between the limiting plate and the upper cover; one end of the push rod is supported on the safety disc; the other end of the push rod penetrates through the cover plate and then is supported against the reed; the copper sheet penetrates through the limiting plate; the upper end of the copper sheet is supported against the safety disc; and the lower end of the copper sheet is supported against the inductive diaphragm. The hand-reset pressure controller starts the protection when a system has faults; and the system is restarted when the system is restored to the state to be protected.
Description
Technical field
The utility model relates to a kind of hand-reset pressure controller, is used for refrigerating system.
Background technology
Pressure system in the existing large complicated refrigerating system can be used pressure controller; but because there is multifactor fault in the pressure system in the large complicated refrigerating system; occur following point when causing the pressure controller protection: the situation downforce controller that does not have to get rid of in fault starts again automatically, causes the defective of system's Fraquent start.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art; a kind of hand-reset pressure controller is provided; when can breaking down in system, this controller starts protection; this moment, system quit work; after must in system, removing fault, and the reset button of pressing this controller make controller revert to state to be protected just can restarting systems.
The technical scheme that realizes above-mentioned purpose is: a kind of hand-reset pressure controller; comprise copper sleeve; protecting sheathing; loam cake; the appliance switch housing; the cover plate lead; reed; moving contact; fixed contact; right pin and left pin; right pin all is connected with lead by the bonding wire sheet with left pin; reed; moving contact and fixed contact all are positioned at appliance switch housing inner chamber; the appliance switch housing is positioned at protecting sheathing; be filled with fluid sealant in the protecting sheathing; cover plate covers the opening part at the appliance switch housing; one end of reed is connected with left pin; the other end is connected with moving contact; fixed contact is positioned at the moving contact below; and fixed contact is connected with right pin; also comprise pressure cap; upperpush rod; stage clip; down-pressed pole; limiting plate; push rod; reaction diaphragm; the insurance video disc; copper sheet and retainer plate; pressure cap is sleeved on the upper end of electric switch housing; the upper end of upperpush rod is positioned at pressure cap; the lower end is positioned at the appliance switch housing; the upper end of stage clip is connected with upperpush rod; the lower end is connected with down-pressed pole; stage clip and down-pressed pole all are positioned at the appliance switch housing; the lower end of down-pressed pole props up reed; limiting plate is installed in the outside of cover plate; the insurance video disc is between cover plate and limiting plate; the two ends of reaction diaphragm are clamped between limiting plate and the loam cake and by retainer plate fixedlys connected with loam cake with limiting plate; one end bearing of push rod is on the insurance video disc; the other end props up reed after passing cover plate; copper sheet passes limiting plate; and the upper end of copper sheet props up the insurance video disc, and the lower end props up reaction diaphragm.
The lower end of pressure cap has shoulder, and this shoulder is provided with pressure ring.
After adopting technique scheme, the characteristic that the utility model utilizes the built-in turning action induction diaphragm of pre-bending curvature stainless steel can overturn round about after sensing certain pressure is made.Can promote the insurance video disc by copper sheet and reach latched position when reaction diaphragm moves, the while promotes the appliance contact disconnection through the insurance video disc by connecting guide rod.When sense pressure be reduced to recovery value when following reaction diaphragm can automatically reset, can not automatically reset because of the insurance video disc has been in latched position, switch can not be connected.When only pressing outer button and force promoting the insurance video disc and unlock state electrical contact under the effect of switch reed automatically and contacting.Normal operating conditions could be recovered by system.
Advantage of the present utility model is as follows:
Controller can be when sensing system protection pressure; reaction diaphragm flexibility and reliability action rapidly; all kinds of air-conditioning refrigeration systems and the various device that pressure protect are had specific (special) requirements; the extensive occasion of tool pressure system overpressure protective effect also can be used for the accurate height pressure protect of various device instrument, and this pressure switch can be directly installed on the pipeline and also can be installed on the device panel according to equipment requirements.Adopt gas thread snap joint made in Great Britain or copper pipe welded structure, easy to use, flexible for installation.
Description of drawings
Fig. 1 is a sectional structure schematic diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Above figure number and title: 1. copper sleeve, 2. reaction diaphragm, 3. insurance video disc, 4. loam cake; 5. protecting sheathing, 6. appliance switch housing, 7. limiting plate, 8. copper sheet; 9. reed, 10. cover plate, 11. push rods, 12. upperpush rods; 13. down-pressed pole, 14. moving contacts, 15. fixed contacts, 16. bonding wire sheets; 17. right pin, 18. left pins, 19. pressure caps, 20. pressure rings; 21. retainer plate, 22. stage clips, 23. leads, 24. fluid sealants.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Shown in Fig. 1 ~ 2; a kind of hand-reset pressure controller; comprise copper sleeve 1; protecting sheathing 5; loam cake 4; appliance switch housing 6; cover plate 10; lead 23; reed 9; moving contact 14; fixed contact 15; right pin 17 and left pin 18; right pin 17 all is connected with lead 23 by bonding wire sheet 16 with left pin 18; reed 9; moving contact 14 and fixed contact 15 all are positioned at appliance switch housing 6 inner chambers; appliance switch housing 6 is positioned at protecting sheathing 5; be filled with fluid sealant 24 in the protecting sheathing 5; cover plate 10 covers the opening part at appliance switch housing 6; one end of reed 9 is connected with left pin 18; the other end is connected with moving contact 14; fixed contact 15 is positioned at moving contact 14 belows; and fixed contact 15 is connected with right pin 17; also comprise pressure cap 19; upperpush rod 12; stage clip 22; down-pressed pole 13; limiting plate 7; push rod 11; reaction diaphragm 2; insurance video disc 3; copper sheet 8 and retainer plate 21; pressure cap 19 is sleeved on the upper end of electric switch housing 6; the upper end of upperpush rod 12 is positioned at pressure cap 19; the lower end is positioned at appliance switch housing 6; the upper end of stage clip 22 is connected with upperpush rod 12; the lower end is connected with down-pressed pole 13; stage clip 22 and down-pressed pole 13 all are positioned at appliance switch housing 6; the lower end of down-pressed pole 13 props up reed 9; limiting plate 7 is installed in the outside of cover plate 10; insurance video disc 3 is between cover plate 10 and limiting plate 7; the two ends of reaction diaphragm 2 are clamped between limiting plate 7 and the loam cake 4 and by retainer plate 21 fixedlys connected with loam cake 4 with limiting plate 7; one end bearing of push rod 11 is on insurance video disc 3; the other end props up reed 9 after passing cover plate 10; copper sheet 8 passes limiting plate 7; and the upper end of copper sheet 8 props up insurance video disc 3, and the lower end props up reaction diaphragm 2.
As shown in Figure 1, the lower end of pressure cap 19 has shoulder, and this shoulder is provided with pressure ring 20.
The course of work of the present utility model is as follows: copper sleeve 1 is connected with pressure system in the system, reaction diaphragm 2 is sensed when setting operating pressure and is produced upset and promote copper sheet 8 when fast, correspondingly promote 3 lockings of insurance video disc, insurance video disc 3 produces upset and correspondingly promotes push rod 11 again, and push rod drives reed 9 disconnects moving contact 14 and the fixed contact 15 of riveting on reed.When sensing the pressure reduction, reaction diaphragm 2 automatically resets.Because insurance video disc 3 is in the lock state, so the moving contact 14 on the reed 9 still is in the pressure protect state.At first press linkage when resetting with hand: pressure cap 19 → upperpush rod 12 → stage clip 22 → down-pressed pole 13, down-pressed pole 13 corresponding actuating springs 9 are connected moving contact 14 and fixed contact 15, push rod 11 stressed promotions insurance video discs 3 state that unlocks, copper sheet 8 resets.
Claims (2)
1. hand-reset pressure controller; comprise copper sleeve (1); protecting sheathing (5); loam cake (4); appliance switch housing (6); cover plate (10); lead (23); reed (9); moving contact (14); fixed contact (15); right pin (17) and left pin (18); right pin (17) all is connected with lead (23) by bonding wire sheet (16) with left pin (18); reed (9); moving contact (14) and fixed contact (15) all are positioned at appliance switch housing (6) inner chamber; appliance switch housing (6) is positioned at protecting sheathing (5); be filled with fluid sealant (24) in the protecting sheathing (5); cover plate (10) covers the opening part in appliance switch housing (6); one end of reed (9) is connected with left pin (18); the other end is connected with moving contact (14); fixed contact (15) is positioned at moving contact (14) below; and fixed contact (15) is connected with right pin (17); it is characterized in that: also comprise pressure cap (19); upperpush rod (12); stage clip (22); down-pressed pole (13); limiting plate (7); push rod (11); reaction diaphragm (2); insurance video disc (3); copper sheet (8) and retainer plate (21); pressure cap (19) is sleeved on the upper end of electric switch housing (6); the upper end of upperpush rod (12) is positioned at pressure cap (19); the lower end is positioned at appliance switch housing (6); the upper end of stage clip (22) is connected with upperpush rod (12); the lower end is connected with down-pressed pole (13); stage clip (22) and down-pressed pole (13) all are positioned at appliance switch housing (6); the lower end of down-pressed pole (13) props up reed (9); limiting plate (7) is installed in the outside of cover plate (10); insurance video disc (3) is positioned between cover plate (10) and the limiting plate (7); the two ends of reaction diaphragm (2) are clamped between limiting plate (7) and the loam cake (4) and by retainer plate (21) fixedlys connected with loam cake (4) with limiting plate (7); one end bearing of push rod (11) is on insurance video disc (3); the other end props up reed (9) after passing cover plate (10); copper sheet (8) passes limiting plate (7); and the upper end of copper sheet (8) props up insurance video disc (3), and the lower end props up reaction diaphragm (2).
2. hand-reset pressure controller according to claim 1 is characterized in that: the lower end of pressure cap (19) has shoulder, and this shoulder is provided with pressure ring (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206333053U CN201893287U (en) | 2010-11-30 | 2010-11-30 | Hand-reset pressure controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206333053U CN201893287U (en) | 2010-11-30 | 2010-11-30 | Hand-reset pressure controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893287U true CN201893287U (en) | 2011-07-06 |
Family
ID=44222757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206333053U Expired - Fee Related CN201893287U (en) | 2010-11-30 | 2010-11-30 | Hand-reset pressure controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201893287U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112079224A (en) * | 2020-09-21 | 2020-12-15 | 中国五冶集团有限公司 | Hanging flower basket travel limit switch protector |
| CN112256085A (en) * | 2019-07-22 | 2021-01-22 | 浙江三花制冷集团有限公司 | Pressure controller |
-
2010
- 2010-11-30 CN CN2010206333053U patent/CN201893287U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112256085A (en) * | 2019-07-22 | 2021-01-22 | 浙江三花制冷集团有限公司 | Pressure controller |
| CN112256085B (en) * | 2019-07-22 | 2023-06-20 | 浙江三花商用制冷有限公司 | Pressure controller |
| CN112079224A (en) * | 2020-09-21 | 2020-12-15 | 中国五冶集团有限公司 | Hanging flower basket travel limit switch protector |
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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 |
Granted publication date: 20110706 Termination date: 20171130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |