CN204696034U - Pressure controller - Google Patents
Pressure controller Download PDFInfo
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- CN204696034U CN204696034U CN201520446214.1U CN201520446214U CN204696034U CN 204696034 U CN204696034 U CN 204696034U CN 201520446214 U CN201520446214 U CN 201520446214U CN 204696034 U CN204696034 U CN 204696034U
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- pressure
- housing
- pedestal
- rod
- bellows
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Abstract
A kind of pressure controller.Solve the problem that existing pressure control switch can not accurately control.It comprises housing, cover cap, protective cover and pedestal, switch assembly is provided with in described housing, installing rack, pressure indicator board and dynamic plate, pressure spring is arranged with outside described installing rack, described joint chair assembly comprises joint, connector and bellows, described joint, connector and bellows coordinate formation cavity, described bellows to be located in housing and to be offseted with pressure spring, described pedestal is provided with adjusting screw(rod), described adjusting screw(rod) to insert in housing and with pressure spring by press-fit, it is outer and coordinate the accommodating protection chamber formed for accommodating adjusting screw(rod) with pedestal that described protective cover is placed in pedestal.The utility model also has that structure is simple, easy for installation, reliable in action, control accurately, long service life, the advantage such as easy to adjust.
Description
Technical field
The utility model relates to Pressure Control Technology field, is specifically related to a kind of equipment such as compressor, water pump, fire-fighting, boiler, hydraulic pressure, flatiron, vacuum for the protection of refrigeration or aircondition and avoids the pressure controller out of control or destroyed because of hypertonia.
Background technology
In industrial detection control procedure, especially compressor, water pump, boiler equal pressure equipment, all needs to control relevant pressure size.But, mostly be in the past a Pressure gauge to be installed, artificial monitor force situation on corresponding press device, and went unlatching according to the change of pressure or close corresponding equipment to carry out pressure in controlled pressure equipment with this and be unlikely to too high or too low.
Chinese patent once disclosed one " setting-type single-pressure controller " (China, publication number CN2063249U, 3 days October nineteen ninety of publication date), it comprises switch block, shell, collar nut, it is characterized in that: also have bellows pressure sensor, drive block, spring base, spring(-supported) mount, spring, limit base, collar nut is connected with bellows pressure sensor, drive block is placed on bellows pressure sensor, and spring base is put on ground drive block, spring(-supported) mount connects with one end of spring, and be placed on spring base, limit base is put on the other end of spring, switch block is placed on limit base, push rod in switch block stretches into spring.Owing to adopting bellows pressure sensor to drive the break-make of switch block, and install in refrigeration systems, therefore can control turning of compressor and stop, it does not have pressure and pressure reduction regulatory function, and it is short to there is useful life, controls problem not accurately.
Summary of the invention
For solving the problem that in background technology, existing pressure control switch can not accurately control, the utility model provides a kind of pressure controller.
The technical solution of the utility model is: a kind of pressure controller, comprise housing, cover cap, protective cover and pedestal, switch assembly is provided with in described housing, pressure reduction indicator board, installing rack, pressure indicator board and dynamic plate, described housing is provided with joint chair assembly and the Connection jacket for wire access, described Connection jacket is connected with switch assembly, pressure spring is arranged with outside described installing rack, described joint chair assembly comprises joint, connector and bellows, described joint, connector and bellows coordinate formation cavity, described bellows to be located in housing and to be offseted with pressure spring, described pedestal is provided with adjusting screw(rod), described adjusting screw(rod) to insert in housing and with pressure spring by press-fit, it is outer and coordinate the accommodating protection chamber formed for accommodating adjusting screw(rod) with pedestal that described protective cover is placed in pedestal.
Improve as one of the present utility model, described installing rack protrudes projection downwards, and described dynamic plate is hinged in housing, and one end and the projection of described dynamic plate offset, and the other end and back-moving spring offset.
As further improvement of the utility model, described dynamic plate is provided with the groove corresponding with projection.
As further improvement of the utility model, described back-moving spring is disc spring.
As further improvement of the utility model, described pedestal is provided with pressure reduction screw rod, and described pressure reduction screw rod inserts in housing and is connected with pressure reduction indicator board.
As further improvement of the utility model, in described cover cap, be provided with pressure display panel.
As further improvement of the utility model, between described Connection jacket and switch assembly, be provided with wiring protective sleeve.
The beneficial effects of the utility model are; the pressure of pressure spring is set by adjusting screw(rod); switch assembly can be made relative to setting pressure correctly action; make product reliable in action; control accurately; the setting in accommodating protection chamber, can prevent user etc. from accidentally operating this adjusting screw(rod) and avoid accident to occur, and impurity also can be avoided to enter the action affecting product in housing simultaneously.The utility model also has that structure is simple, easy for installation, reliable in action, control accurately, long service life, the advantage such as easy to adjust.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model embodiment.
What accompanying drawing 2 was the utility model embodiment partly cuts open structural representation.
What accompanying drawing 3 was the utility model embodiment other direction partly cuts open structural representation.
In figure, 1, housing; 11, switch assembly; 12, pressure reduction indicator board; 13, installing rack; 131, pressure spring; 132, projection; 14, pressure indicator board; 15, dynamic plate; 151, groove; 16, joint chair assembly; 161, joint; 162, connector; 163, bellows; 164, cavity; 17, Connection jacket; 18, back-moving spring; 2, cover cap; 21, pressure display panel; 3, protective cover; 4, pedestal; 41, adjusting screw(rod); 42, accommodating protection chamber; 43, pressure reduction screw rod; 5, wiring protective sleeve.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
By Fig. 1 composition graphs 2, shown in 3, a kind of pressure controller, comprise housing 1, cover cap 2, protective cover 3 and pedestal 4, switch assembly 11 is provided with in described housing 1, pressure reduction indicator board 12, installing rack 13, pressure indicator board 14 and dynamic plate 15, described housing 1 is provided with joint chair assembly 16 and the Connection jacket 17 for wire access, described Connection jacket 17 is connected with switch assembly 11, pressure spring 131 is arranged with outside described installing rack 13, described joint chair assembly 16 comprises joint 161, connector 162 and bellows 163, described joint 161, connector 162 and bellows 163 coordinate formation cavity 164, described bellows 163 to be located in housing 1 and to be offseted with pressure spring 131, described pedestal 4 is provided with adjusting screw(rod) 41, described adjusting screw(rod) 41 to insert in housing 1 and with pressure spring 131 by press-fit, described protective cover 3 covers and is placed in outside pedestal 4 and coordinates the accommodating protection chamber 42 formed for accommodating adjusting screw(rod) 41 with pedestal 4.When the utility model uses, is connected by joint with relevant device, responds to the pressure of corresponding device by bellows, bellows is a kind of refrigerant pressure effect and flexible metal tube of can being subject to; When bellows tension force is upwards greater than the pressure of regulating spring, conducts to switch assembly by pressure indicator board, dynamic plate, switch is closed.Thus give the signal that press device one is closed, this closure signal can go stop or opening some equipment to balance the pressure in this press device.When this press device pressure drop is to during lower than set point, the pressure of regulating spring is greater than the tension force of bellows, now, dynamic strip dynamic pressure indicator board is returned to original position, switches is disconnected, thus give press device cut-off signal, and then open or stop some equipment to balance the pressure in this press device.The beneficial effects of the utility model are; the pressure of pressure spring is set by adjusting screw(rod); switch assembly can be made relative to setting pressure correctly action; make product reliable in action; control accurately; the setting in accommodating protection chamber, can prevent user etc. from accidentally operating this adjusting screw(rod) and avoid accident to occur, and impurity also can be avoided to enter the action affecting product in housing simultaneously.The utility model also has that structure is simple, easy for installation, reliable in action, control accurately, long service life, the advantage such as easy to adjust.
Described installing rack 13 protrudes projection 132 downwards, and described dynamic plate 15 is hinged in housing 1, and one end and the projection 132 of described dynamic plate 15 offset, and the other end and back-moving spring 18 offset.Described dynamic plate 15 is provided with the groove 151 corresponding with projection 132.Described back-moving spring 18 is disc spring.Such structure makes dynamic plate reliable in action.Ensure being switched on or switched off of switch assembly.
Described pedestal 4 is provided with pressure reduction screw rod 43, and described pressure reduction screw rod 43 inserts in housing 1 and is connected with pressure reduction indicator board 12.The precision arranging guarantee product action further of pressure reduction screw rod, makes product regulate reliable.
Pressure display panel 21 is provided with in described cover cap 2.Cover cap is provided with transparent watch window, and user can see pressure display panel by cover cap transparent observing window, is convenient to user and understands pressure condition in housing, is convenient to product maintenance, ensures security of system.
Wiring protective sleeve 5 is provided with between described Connection jacket 17 and switch assembly 11.Such structure makes the wiring of switch assembly more reliable, considerably increases the useful life of product.
Every technical staff's notice: although the utility model describes according to above-mentioned embodiment; but invention thought of the present utility model is not limited in this utility model; the repacking of any utilization inventive concept, all will include in this patent scope of patent protection.
Claims (7)
1. a pressure controller, it is characterized in that: comprise housing (1), cover cap (2), protective cover (3) and pedestal (4), switch assembly (11) is provided with in described housing (1), pressure reduction indicator board (12), installing rack (13), pressure indicator board (14) and dynamic plate (15), described housing (1) is provided with joint chair assembly (16) and the Connection jacket (17) for wire access, described Connection jacket (17) is connected with switch assembly (11), pressure spring (131) is arranged with outside described installing rack (13), described joint chair assembly (16) comprises joint (161), connector (162) and bellows (163), described joint (161), connector (162) and bellows (163) coordinate formation cavity (164), described bellows (163) to be located in housing (1) and to be offseted with pressure spring (131), described pedestal (4) is provided with adjusting screw(rod) (41), described adjusting screw(rod) (41) to insert in housing (1) and with pressure spring (131) by press-fit, described protective cover (3) lid is placed in pedestal (4) and coordinates the accommodating protection chamber (42) being formed and be used for accommodating adjusting screw(rod) (41) outward and with pedestal (4).
2. pressure controller according to claim 1, it is characterized in that described installing rack (13) protrudes projection (132) downwards, described dynamic plate (15) is hinged in housing (1), one end and the projection (132) of described dynamic plate (15) offset, and the other end and back-moving spring (18) offset.
3. pressure controller according to claim 2, is characterized in that described dynamic plate (15) is provided with the groove (151) corresponding with projection (132).
4. pressure controller according to claim 2, is characterized in that described back-moving spring (18) is disc spring.
5. pressure controller according to claim 1, is characterized in that described pedestal (4) is provided with pressure reduction screw rod (43), and described pressure reduction screw rod (43) inserts in housing (1) and is connected with pressure reduction indicator board (12).
6. pressure controller according to claim 1, is characterized in that being provided with pressure display panel (21) in described cover cap (2).
7. pressure controller according to claim 1, is characterized in that being provided with wiring protective sleeve (5) between described Connection jacket (17) and switch assembly (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520446214.1U CN204696034U (en) | 2015-06-26 | 2015-06-26 | Pressure controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520446214.1U CN204696034U (en) | 2015-06-26 | 2015-06-26 | Pressure controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204696034U true CN204696034U (en) | 2015-10-07 |
Family
ID=54236296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520446214.1U Active CN204696034U (en) | 2015-06-26 | 2015-06-26 | Pressure controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204696034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978484A (en) * | 2016-10-25 | 2018-05-01 | 浙江三花制冷集团有限公司 | Pressure controller |
| CN115547742A (en) * | 2022-11-04 | 2022-12-30 | 浙江力夫自控技术股份有限公司 | Temperature switch |
-
2015
- 2015-06-26 CN CN201520446214.1U patent/CN204696034U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978484A (en) * | 2016-10-25 | 2018-05-01 | 浙江三花制冷集团有限公司 | Pressure controller |
| CN107978484B (en) * | 2016-10-25 | 2019-12-17 | 浙江三花制冷集团有限公司 | Pressure controller |
| CN115547742A (en) * | 2022-11-04 | 2022-12-30 | 浙江力夫自控技术股份有限公司 | Temperature switch |
| CN115547742B (en) * | 2022-11-04 | 2023-09-22 | 浙江力夫自控技术股份有限公司 | Temperature switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325600 Yueqing Economic Development Zone, Wenzhou, No. fifteen weft Road No. 220, Zhejiang Patentee after: Zhejiang LEFOO automation technology Limited by Share Ltd Address before: 325600 Yueqing Economic Development Zone, Wenzhou, No. fifteen weft Road No. 220, Zhejiang Patentee before: LEFOO Industrial Co., Ltd. |