CN202601506U - Pressure controller - Google Patents
Pressure controller Download PDFInfo
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- CN202601506U CN202601506U CN 201220222984 CN201220222984U CN202601506U CN 202601506 U CN202601506 U CN 202601506U CN 201220222984 CN201220222984 CN 201220222984 CN 201220222984 U CN201220222984 U CN 201220222984U CN 202601506 U CN202601506 U CN 202601506U
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Abstract
The utility model provides a pressure controller, which comprises a shell, a circuit control mechanism, an induction mechanism, a transmission mechanism and at least two sets of pressure adjusting mechanisms; the shell is provided with a cavity, wherein the bottom of the cavity is provided with an opening, and the opening is connected to a liquid supply pipeline by a flange cover assembly; the induction mechanism for inducing the pressure of the liquid supply pipeline is arranged on the opening, and the induction mechanism is connected with the pressure adjusting mechanisms by the transmission mechanism and is used for enabling the circuit control mechanism to open/close a hydraulic pump according to the set values of the pressure adjusting mechanisms; the circuit control mechanism comprises a movable contact and a static contact which are arranged in the cavity, wherein the movable contact and the static contact are connected to a power supply circuit of the hydraulic pump; and the static contact is stable to position in the shell, and the movable contact can move in the shell. At least two sets of pressure adjusting mechanism are arranged in the pressure controller so as to adjust the initial pressure of the pressure controller, and therefore the pressure adjustment range and the pressure adjusting precision are improved.
Description
Technical field
The utility model relates to field of mechanical technique, relates in particular to a kind of pressure controller.
Background technology
Hydraulic pump generally need utilize pressure controller that it is controlled in the feed flow process.With the water pump is example, generally just pressure controller need be set on the water pump.The pressure controller of hydraulic pump is the hydraulic pressure that is used in the perception feed liquid pipeline, when the intraluminal fluid pressure is higher than set point, cuts off the power supply of hydraulic pump; Conducting hydraulic pump power supply when intraluminal fluid forces down in set point, thus the hydraulic pump stability that intraluminal fluid is pressed when feed flow guaranteed, and can the certain protection effect be provided to hydraulic pump.
China's utility model patent (patent No.: disclose the adjustable water-aspirator pressure controller of a kind of starting pressure 200920311128.4); Comprise the housing of bringing the mouth of a river and delivery port into; In housing, be provided with a pressure lever; The lever bottom is connected with the starting mode of pump circuit module, and the lever middle part is provided with barrier film and is divided into upper chamber and lower chambers to the housing inner chamber, and lower chambers is communicated with water inlet and delivery port.Lever is provided with pressure stop in the lower chambers of barrier film downside simultaneously, and lever is provided with back-up block in the upper chamber of barrier film upside, and a compression spring is installed on the back-up block, and compression spring top is provided with a pad.
Only be provided with a cover pressure governor motion in this water-aspirator pressure controller, pressure controlled scope is little on the one hand, and the stride of adjustment is big, is unfavorable for the starting pressure of controller is accurately adjusted.
Summary of the invention
To the defective and the deficiency of the pressure controller unreasonable structure of existing hydraulic pump, the purpose of the utility model is to propose a kind of can accurately the adjustment and pressure controller rational in infrastructure.
In order to achieve the above object, the utility model provides a kind of pressure controller, comprising: comprising: shell, circuit controlling organization, induction mechanism, transmission mechanism, at least two cover pressure governor motions; This shell has a cavity, and this bottom has an opening, and this opening is connected on the feed flow pipeline through the blind flange assembly; On this opening, be provided with the induction mechanism that is used to respond to the feed flow loine pressure, said induction mechanism connects said pressure regulating mechanism through transmission mechanism makes said circuit controlling organization On/Off hydraulic pump with the set point according to affiliated pressure regulating mechanism; Said circuit controlling organization comprises: be arranged on moving contact and fixed contact in cavity, moving contact and fixed contact are connected into the supply line of hydraulic pump; The position stability of fixed contact in housing, moving contact can be movable in housing;
Described transmission mechanism comprises: platter, jumping plate, base plate; Wherein said base plate is the U font and is provided with an extension along the outside of one of them wall; Said platter is fixed on the shell, and an end of an end of platter and base plate is hinged, and the other end and jumping plate flexible connection; Jumping plate comprises a U font body and an extension, and this jumping plate is arranged on the base plate, and said moving contact is arranged on the extension of jumping plate; The other end of said platter upwarps under the effect of said induction mechanism; Be provided with torsion spring between this end of platter and the jumping plate, the two ends difference cross-under of torsion spring is on the other end and jumping plate of platter.
Preferred as technique scheme, space one preset distance setting between the said at least two cover pressure governor motions; Each pressure regulating mechanism comprises: screw rod, stage clip, platen and adjusting nut; Screw rod is fixed on the base after passing platter, base plate; Stage clip and platen are socketed in the periphery of screw rod; Adjusting nut is connected with screw flight, and the both ends of stage clip act on respectively on platter and the platen, and adjusting nut is positioned at the outside of platen to carry out spacing to confirm the compressed degree of stage clip to the distance that moves axially of platen on screw rod.
Preferred as technique scheme, the syndeton of the extension of said moving contact and jumping plate is specially: the outer end of jumping plate is plugged with the iron pin, and moving contact is fixed on the connecting plate of metal, and connecting plate is socketed on the iron pin; Between the end of connecting plate and jumping plate, be provided with spring, the both ends of spring act on this end of connecting plate and jumping plate respectively.
Preferred as technique scheme, said base is provided with plate, jumping plate have a body that a cross-sectional area is a U-shaped, be provided with slot in the said body, described plate is plugged in the slot with passing the base plate post gap.
Preferred as technique scheme, the other end of said base plate is provided with catch, said catch is provided with respect to the base plate outward inclining so that said moving contact during with the fixed contact disengaging displacement to the moving contact of the end of said jumping plate carry out spacing.
Preferred as technique scheme, said induction mechanism comprises: be arranged between blind flange assembly and the opening and be provided with pad, said pad is provided with the top heart towards the one side of cavity; Said top is provided with top flat in the heart, and the inner end of top flat contacts on platter.
The beneficial effect of the technical scheme that the utility model embodiment provides is: the utility model is through being provided with the described pressure regulating mechanism of at least two covers in housing; These pressure regulating mechanisms all can be realized the initial pressure of pressure controller is adjusted; Improved the adjusting range of pressure, the scope of application of this pressure controller of ability efficient extn.A few cover pressure governor motions can be adjusted simultaneously, and each adjusted pressure change value can be very little, thereby can effectively improve the accuracy when adjusting pressure.A few cover pressure governor motions are separated setting; Stress point on the transmission mechanism comparatively disperses; But evenly these movable parts can have good positional stability for stressed on some action component in the transmission mechanism, and the stability in the transmission mechanism course of work can guarantee.
Description of drawings
Fig. 1 is the sectional structure sketch map of the utility model;
Fig. 2 is the decomposition texture sketch map of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the utility model preferred embodiment one is further specified.
Below in conjunction with accompanying drawing and case study on implementation the utility model is done further to describe, certain following embodiment should not be construed as the restriction to the utility model.
Like Fig. 1, shown in Figure 2, it is a kind of pressure controller that the utility model provides, and comprises the cavity in shell and the shell.Shell comprises housing 1, the base 12 that snaps together, and is arranged on the sealing ring that seals 10 between base 12 and the housing 1.
In this cavity, be provided with moving contact 21 and fixed contact 23, fixed contact 23 is fixed on the shell, the position stability in housing 1; Moving contact 21 can be movable in housing 1, to contact/to break away from fixed contact 23.On base 12, be fixed with coil holder 22, described fixed contact 23 is fixed on the coil holder 22.Between moving contact 21 and fixed contact 23, be provided with transmission mechanism, transmission mechanism links with the induction installation that is used for perception intraluminal fluid pressure, and described moving contact 21 is arranged on the transmission mechanism.
In cavity, be provided with induction mechanism, transmission mechanism, at least two cover pressure governor motions.
Induction mechanism comprises: be fixed with the blind flange assembly 14 that is used to connect the feed flow pipeline in the outside of cavity, this blind flange assembly 14 and opening conducting.Between blind flange assembly 14 and opening, be provided with the pad 13 and the top heart 15, pad 13 is fixed on the inner face of blind flange assembly 14, and the outer surface of pad 13 directly contacts with the interior liquid phase of pipeline, and the top heart 15 is shelved on the inner surface of pad 13 naturally.As shown in Figure 2, have top flat 16 on this top heart 15.As shown in Figure 2, this top flat 16 comprise foundation ring and two along the foundation ring extended convexity perpendicular to the foundation ring.This convexity is inserted in the base 12, and the inner end of top flat 16 contacts with transmission mechanism mutually.
Described transmission mechanism comprises: platter 6, jumping plate 8, base plate 9.Like Fig. 1, shown in Figure 2, on base 12, be fixed with the base plate 9 of U-shaped.One end of platter 6 is hinged on an end of base plate 9, the other end of platter 6 and 8 movable connections of jumping plate.Jumping plate 8 is shelved on the base plate 9, and said moving contact 21 is arranged on the outer end of jumping plate 8.Wherein, moving contact 21 is to be connected on the jumping plate 8 with the mode of floating.Concrete structure is: the outer end of jumping plate 8 is plugged with iron pin 19, and moving contact 21 is fixed on the connecting plate 20 of metal, and connecting plate 20 is socketed on the iron pin 19.Between the end of connecting plate 20 and jumping plate 8, be provided with spring 18, the both ends of spring 18 act on this end of connecting plate 20 and jumping plate 8 respectively.Be provided with catch 17 in the other end of base plate 9, catch 17 is with respect to base plate 9 outward inclining settings.When moving contact 21 and fixed contact 23 were separated, catch 17 was used for the end that barrier support jumping plate 8 is provided with moving contact 21, in order to avoid this end counteragent of jumping plate 8 is excessive.The inner end of the top heart 15 top pieces 16 passes base 12 and base plate 9 successively, and leather packing 13 receives the compressing of flow in the pipeline.After the pipe internal pressure was excessive, leather packing 13 is the distortion of the heart 15 directions towards the top, and the inner end of the top heart 15 top pieces 16 contacts on platter 6, impels the other end of platter 6 to upwarp.Be provided with torsion spring 7 between the other end of platter 6 and the jumping plate 8, the two free ends difference cross-under of torsion spring 7 is on the other end and jumping plate 8 of platter 6.When platter 6 other ends upwarped, torsion spring 7 was able to loosen, and the elastic force that torsion spring 7 is executed on jumping plate 8 diminishes; Under the effect of jumping plate 8 gravity, moving contact 21 is separated with fixed contact 23, thereby blocks the power supply of hydraulic pump; Hydraulic pump is quit work, to slow down the pressure in the pipeline.When flow quantity is not enough in pipeline, leather packing 13 deformation recoveries, the power that top flat 16 is applied on the platter 6 diminishes; Under the effect of platter 6 gravity, the other end of platter 6 falls after rise, and the distance between platter 6 other ends and the jumping plate 8 diminishes; Thereby torsion spring 7 is applied torsion, and shrink at the two ends of torsion spring 7, and the elastic force that torsion spring 7 acts on the jumping plate 8 becomes big; Under the effect of this elastic force, the outer end perk of jumping plate 8, and moving contact 21 and fixed contact 23 are contacted; And then the power supply of conducting hydraulic pump, hydraulic pump is started working.Be provided with the concaveconvex structure that matches at base plate 9 with the medium position place of jumping plate 8, jumping plate 8 time generally is to be that fulcrum moves with this concaveconvex structure that is combined together in action.For guaranteeing the positional stability of jumping plate 8 in course of action; On base 12, be provided with the plate 11 that is connected as a single entity with it; The inner end of jumping plate 8 is the U-shaped portion that takes the shape of the letter U, and this U-shaped portion is provided with slot, and described plate 11 is plugged in the slot with passing base plate 9 post gaps.
Also comprise at least two cover pressure governor motions, space one preset distance setting between the said pressure regulating mechanism.Each pressure regulating mechanism comprises: screw rod 5, stage clip 4, platen 3 and adjusting nut 2, screw rod 5 are fixed on the base 12 after passing platter 6, base plate 9, and stage clip 4 and platen 3 are socketed in the periphery of screw rod 5; Adjusting nut 2 is threaded with screw rod 5; The both ends of stage clip 4 act on respectively on platter 6 and the platen 3, and adjusting nut 2 is positioned at the outside of platen 3, is used to limit the axial location of platen 3 on screw rod 5; Thereby confirm stage clip 4 compressed degree, and then reach the purpose of regulating pressure.
The pressure regulating mechanism of the utility model is when the fluid pressure in the feed flow pipeline is excessive, to let hydraulic pump quit work.The operation principle of the utility model is following: when feed flow pipeline fluid pressure is excessive; Pad 13 pressurizeds that are connected on the opening on the feed flow pipeline produce deformation; And drive the elastic force that platters 6 overcome stage clip 4 through the top heart 15, make the other end of platter 6 upwarp.This moment, torsion spring 7 reduced elastic force that jumping plate 8 is applied, and fall after rise the end that jumping plate 8 is provided with moving contact 21, and moving contact 21 is separated with fixed contact 23.After the fluid pressure in the feed flow pipeline diminishes; Leather packing 13 is replied reset condition; Platter 6 receives the elastic force that power on the top heart 15 is not enough to overcome stage clip 4, and the other end of platter 6 falls after rise, thereby moving contact 21 is contacted on fixed contact 23; And then the power supply of conducting hydraulic pump, hydraulic pump works on.
Certainly; The utility model also can have other embodiment; Under the situation that does not deviate from the utility model spirit and essence thereof; The person of ordinary skill in the field works as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the claim of the utility model.
Claims (6)
1. a pressure controller is characterized in that, comprising: shell, circuit controlling organization, induction mechanism, transmission mechanism, at least two cover pressure governor motions; This shell has a cavity, and this bottom has an opening, and this opening is connected on the feed flow pipeline through the blind flange assembly; On this opening, be provided with the induction mechanism that is used to respond to the feed flow loine pressure, said induction mechanism connects said pressure regulating mechanism through transmission mechanism makes said circuit controlling organization On/Off hydraulic pump with the set point according to affiliated pressure regulating mechanism; Said circuit controlling organization comprises: be arranged on moving contact and fixed contact in cavity, moving contact and fixed contact are connected into the supply line of hydraulic pump; The position stability of fixed contact in housing, moving contact can be movable in housing;
Described transmission mechanism comprises: platter, jumping plate, base plate; Wherein said base plate is the U font and is provided with an extension along the outside of one of them wall; Said platter is fixed on the shell, and an end of an end of platter and base plate is hinged, and the other end and jumping plate flexible connection; Jumping plate comprises a U font body and an extension, and this jumping plate is arranged on the base plate, and said moving contact is arranged on the extension of jumping plate; The other end of said platter upwarps under the effect of said induction mechanism; Be provided with torsion spring between this end of platter and the jumping plate, the two ends difference cross-under of torsion spring is on the other end and jumping plate of platter.
2. a kind of pressure controller according to claim 1 is characterized in that, space one preset distance setting between the said at least two cover pressure governor motions; Each pressure regulating mechanism comprises: screw rod, stage clip, platen and adjusting nut; Screw rod is fixed on the base after passing platter, base plate; Stage clip and platen are socketed in the periphery of screw rod; Adjusting nut is connected with screw flight, and the both ends of stage clip act on respectively on platter and the platen, and adjusting nut is positioned at the outside of platen to carry out spacing to confirm the compressed degree of stage clip to the distance that moves axially of platen on screw rod.
3. a kind of pressure controller according to claim 2; It is characterized in that; The syndeton of the extension of said moving contact and jumping plate is specially: the outer end of jumping plate is plugged with the iron pin, and moving contact is fixed on the connecting plate of metal, and connecting plate is socketed on the iron pin; Between the end of connecting plate and jumping plate, be provided with spring, the both ends of spring act on this end of connecting plate and jumping plate respectively.
4. a kind of pressure controller according to claim 3; It is characterized in that said base is provided with plate, jumping plate have a body that a cross-sectional area is a U-shaped; Be provided with slot in the said body, described plate is plugged in the slot with passing the base plate post gap.
5. according to claim 3 or 4 described a kind of pressure controllers; It is characterized in that; The other end of said base plate is provided with catch; Said catch is provided with respect to the base plate outward inclining so that said moving contact during with the fixed contact disengaging displacement to the moving contact of the end of said jumping plate carry out spacing.
6. a kind of pressure controller according to claim 1 is characterized in that, said induction mechanism comprises: be arranged between blind flange assembly and the opening and be provided with pad, said pad is provided with the top heart towards the one side of cavity; Said top is provided with top flat in the heart, and the inner end of top flat contacts on platter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222984 CN202601506U (en) | 2012-05-16 | 2012-05-16 | Pressure controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222984 CN202601506U (en) | 2012-05-16 | 2012-05-16 | Pressure controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202601506U true CN202601506U (en) | 2012-12-12 |
Family
ID=47319036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220222984 Expired - Fee Related CN202601506U (en) | 2012-05-16 | 2012-05-16 | Pressure controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202601506U (en) |
Cited By (1)
| 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 |
-
2012
- 2012-05-16 CN CN 201220222984 patent/CN202601506U/en not_active Expired - Fee Related
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 |
| CN107978484B (en) * | 2016-10-25 | 2019-12-17 | 浙江三花制冷集团有限公司 | Pressure controller |
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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: 20121212 Termination date: 20150516 |
|
| EXPY | Termination of patent right or utility model |