CN205140864U - Double -contact hydraulic pressure switch - Google Patents
Double -contact hydraulic pressure switch Download PDFInfo
- Publication number
- CN205140864U CN205140864U CN201521026793.0U CN201521026793U CN205140864U CN 205140864 U CN205140864 U CN 205140864U CN 201521026793 U CN201521026793 U CN 201521026793U CN 205140864 U CN205140864 U CN 205140864U
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- contact
- top base
- spring
- piston rod
- hydraulic pressure
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Abstract
The utility model relates to a double -contact hydraulic pressure switch, the drill bit comprises a joint head, lower base, the lid, the top base, the headstock gear, be provided with inhalant canal in the joint, be provided with the rubber membrane in the inhalant canal, the headstock gear includes the piston rod, the moving contact, the static contact, one end of the support rack is hinged at the support, little support, big support, the shell fragment of setting between big support and little support, the carriage that the setting set up in the top base and with movable contact spring linkage, fix the spring unit who serves on the top base, the pressure adjustment subassembly of setting on spring unit, the lower extreme setting of piston rod is on the up end of rubber membrane, the mounting hole that the upper end of piston rod was passed in the top base is conflicted on spring unit's lower terminal surface, little support clamps on the piston rod, the one end of this little support is connected on the support frame, the one end of big support is connected on the support frame, the other end of big support is conflicted and is served on the carriage. The utility model has the advantages of simple structure, small, compact structure, performance safety and stability.
Description
Technical field
The utility model relates to a kind of hydraulic pressure switch, is specifically related to a kind of double-contact hydraulic pressure switch.
Background technology
At present, hydraulic pressure switch is a kind of pressure protective device, for controlling the start and stop of various water pump; it utilizes the pressure in system pipeline to change the start and stop automatically realizing water pump; prescribe a time limit when system pipeline internal pressure reaches in setting pressure, automatic cut-off power, water pump quits work; under system pipeline internal pressure drops to setting pressure in limited time; automatically switch on power, water pump is started working, and so goes round and begins again; complete automatic control process, need not be manually on duty.But existing hydraulic pressure switch exists that complex structure, structure are not compact, volume is large, the defect of unstable properties.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art, provides the double-contact hydraulic pressure switch that a kind of structure is simple, volume is little, compact conformation, performance safety are stable.
For achieving the above object, the utility model adopts a kind of double-contact hydraulic pressure switch, comprises joint, be arranged on the bottom base on joint, the lid of cover cap on bottom base, be arranged on the top base in lid, be arranged on the headstock gear on top base, be provided with intake tunnel in described joint, be provided with rubber membrane in this intake tunnel, described headstock gear comprises the piston rod be arranged in top base, be arranged on the moving contact in top base, the top place of corresponding moving contact is arranged on the fixed contact on top base, the top place of corresponding fixed contact is arranged on the bracing frame on top base, small rack, large support, be arranged on the shell fragment between large support and small rack, to be arranged in top base and to link the travelling carriage arranged with movable contact spring, be fixed on the spring assembly on top base upper end, be arranged on the pressure adjusting part on spring assembly, the lower end of described piston rod is arranged on the upper surface of rubber membrane, conflict on the lower surface of spring assembly through the installing hole in top base in the upper end of described piston rod, described small rack clamps on the piston rod, one end of this small rack is connected on bracing frame, one end of described large support is connected on bracing frame, and the other end of large support is conflicted on the upper end of travelling carriage.
The beneficial effect of said structure is: this double-contact hydraulic pressure switch has the advantage that structure is simple, volume is little, compact conformation, performance safety are stable.When hydraulic pressure reaches the pressure set points of this hydraulic pressure switch, rubber membrane in joint promotes piston rod upwards action, piston rod compression spring assembly, piston rod drives small rack upwards action, small rack promotes shell fragment, and shell fragment promotes large support action, and large support drives the downward action of travelling carriage, travelling carriage drives the downward action of moving contact, and moving contact and fixed contact disconnect; When hydraulic pressure is not enough, piston rod loses the thrust of rubber membrane, and spring assembly releases energy, and drives the downward action of piston rod, thus moving contact resets, and moving contact and fixed contact close.
Especially, described spring assembly comprises the spring pedestal be arranged on the upper surface of piston rod, the framework be fixed on top base, the spring be arranged in framework, conflicts on the upper surface of spring pedestal in the lower end of described spring.The spring assembly compact conformation of this vibrational power flow, it is convenient to assemble.
Especially, described pressure adjusting part comprises the pressing plate be arranged in framework, corresponding pressing plate place is arranged on the adjustment screw on framework, the lower surface of described pressing plate is provided with a boss, described boss is installed on the upper end of spring, and described pressing plate can screw action compresses spring with adjustment screw.By being provided with a pressure adjusting part on spring assembly, thus be convenient to the starting pressure that user regulates this hydraulic pressure switch, reach the instructions for use of user, when regulating, user only need screw or unscrew adjustment screw, the i.e. starting pressure of this hydraulic pressure switch adjustable, thus this hydraulic pressure switch has the advantage of simple operation.
Especially, described moving contact comprises U-shaped contact, two moving contacts be separately positioned on two openends of U-shaped contact, described travelling carriage is crosswise, this travelling carriage comprises riser and transverse slat, the lower end of described riser is arranged in U-shaped contact, and the two ends of transverse slat are respectively corresponding conflicts on the upper surface of two openends of U-shaped contact, this U-shaped contact is with travelling carriage action and drive two moving contact actions, the disconnection realizing two moving contacts and the fixed contact of two on fixed contact be connected.The movable contact spring of this hydraulic pressure switch adopts double contact structure, thus extend the useful life of this hydraulic pressure switch, and the shape of travelling carriage is crosswise, thus this travelling carriage can ensure the reliable contacts of moving contact and fixed contact, and this travelling carriage has structure simply, is convenient to the advantage of producing.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment cutaway view.
Fig. 2 is the stereogram after the utility model embodiment removes lid.
Fig. 3 is the front view after the utility model embodiment removes lid, top base.
Fig. 4 is the assembling schematic diagram of the utility model embodiment travelling carriage and moving contact.
Fig. 5 is the stereogram of the utility model embodiment moving contact.
Embodiment
As shown in Fig. 1,2,3,4,5, the utility model embodiment is a kind of double-contact hydraulic pressure switch, comprises joint 10, the bottom base 11 be arranged on joint 10, the lid 13 of cover cap on bottom base 11, the top base 12 be arranged in lid 13, the headstock gear be arranged on top base 12.Be provided with intake tunnel 101 in described joint 10, in this intake tunnel 101, be provided with rubber membrane 102.Described headstock gear comprises the piston rod 20 be arranged in top base 12, be arranged on the moving contact 27 in top base 12, the top place of corresponding moving contact 27 is arranged on the fixed contact 26 on top base 12, the top place of corresponding fixed contact 26 is arranged on the bracing frame 21 on top base 12, small rack 22, large support 23, be arranged on the shell fragment 24 between large support 23 and small rack 22, to be arranged in top base 12 and to link the travelling carriage 25 arranged with movable contact spring 27, be fixed on the spring assembly 28 on top base 12 upper end, be arranged on the pressure adjusting part 29 on spring assembly 28, the lower end of described piston rod 20 is arranged on the upper surface of rubber membrane 102, conflict on the lower surface of spring assembly 28 through the installing hole in top base 12 in the upper end of described piston rod 20, described small rack 22 is installed on piston rod 20, one end of this small rack 22 is connected on bracing frame 21, one end of described large support 23 is connected on bracing frame 21, the other end of large support 23 is conflicted on the upper end of travelling carriage 26.Described spring assembly 28 comprises the spring pedestal 281 on the upper surface being arranged on piston rod 20, the framework 282 be fixed on top base 12, the spring 283 be arranged in framework 282, conflicts on the upper surface of spring pedestal 281 in the lower end of described spring 283.The spring assembly compact conformation of this vibrational power flow, it is convenient to assemble.Described pressure adjusting part 29 comprises the pressing plate 291 be arranged in framework 282, corresponding pressing plate 291 place is arranged on the adjustment screw 292 on framework 282, the lower surface of described pressing plate 291 is provided with a boss 293, described boss 293 is installed on the upper end of spring 283, and described pressing plate 291 can screw action compresses spring 283 with adjustment screw 292.By being provided with a pressure adjusting part on spring assembly, thus be convenient to the starting pressure that user regulates this hydraulic pressure switch, reach the instructions for use of user, when regulating, user only need screw or unscrew adjustment screw, the i.e. starting pressure of this hydraulic pressure switch adjustable, thus this hydraulic pressure switch has the advantage of simple operation.Described moving contact 27 comprises U-shaped contact 271, two moving contacts 272 be separately positioned on two openends 273 of U-shaped contact 271, described travelling carriage 25 is in crosswise, this travelling carriage 25 comprises riser 251 and transverse slat 252, the lower end of described riser 251 is arranged in U-shaped contact 271, and difference corresponding conflict in the two ends of transverse slat 252 is on the upper surface of two openends 273 of U-shaped contact 271, this U-shaped contact 271 is with travelling carriage 25 action and drive two moving contacts 272 actions, the disconnection realizing two moving contacts 272 and the fixed contact of two on fixed contact 26 261 be connected.The movable contact spring of this hydraulic pressure switch adopts double contact structure, thus extend the useful life of this hydraulic pressure switch, and the shape of travelling carriage is crosswise, thus this travelling carriage can ensure the reliable contacts of moving contact and fixed contact, and this travelling carriage has structure simply, is convenient to the advantage of producing.
This double-contact hydraulic pressure switch has the advantage that structure is simple, volume is little, compact conformation, performance safety are stable.When hydraulic pressure reaches the pressure set points of this hydraulic pressure switch, rubber membrane in joint promotes piston rod upwards action, piston rod promotes spring pedestal, spring pedestal Compress Spring, piston rod drives small rack upwards action, and small rack promotes shell fragment, shell fragment promotes large support action, large support drives the downward action of travelling carriage, and travelling carriage drives the downward action of moving contact, and moving contact and fixed contact disconnect; When hydraulic pressure is not enough, piston rod loses the thrust of rubber membrane, and spring releases energy, and drive the downward action of piston rod, the downward action of small rack, shell fragment drives large support action, and travelling carriage is action upwards, and moving contact is action upwards, and moving contact and fixed contact close.
Claims (5)
1. a double-contact hydraulic pressure switch, comprises joint, be arranged on the bottom base on joint, the lid of cover cap on bottom base, be arranged on the top base in lid, be arranged on the headstock gear on top base, it is characterized in that: be provided with intake tunnel in described joint, be provided with rubber membrane in this intake tunnel, described headstock gear comprises the piston rod be arranged in top base, be arranged on the moving contact in top base, the top place of corresponding moving contact is arranged on the fixed contact on top base, the top place of corresponding fixed contact is arranged on the bracing frame on top base, small rack, large support, be arranged on the shell fragment between large support and small rack, to be arranged in top base and to link the travelling carriage arranged with movable contact spring, be fixed on the spring assembly on top base upper end, be arranged on the pressure adjusting part on spring assembly, the lower end of described piston rod is arranged on the upper surface of rubber membrane, conflict on the lower surface of spring assembly through the installing hole in top base in the upper end of described piston rod, described small rack clamps on the piston rod, one end of this small rack is connected on bracing frame, one end of described large support is connected on bracing frame, and the other end of large support is conflicted on the upper end of travelling carriage.
2. double-contact hydraulic pressure switch according to claim 1, it is characterized in that: described spring assembly comprises the spring pedestal be arranged on the upper surface of piston rod, the framework be fixed on top base, the spring be arranged in framework, conflicts on the upper surface of spring pedestal in the lower end of described spring.
3. double-contact hydraulic pressure switch according to claim 1 and 2, it is characterized in that: described pressure adjusting part comprises the pressing plate be arranged in framework, corresponding pressing plate place is arranged on the adjustment screw on framework, the lower surface of described pressing plate is provided with a boss, described boss is installed on the upper end of spring, and described pressing plate can screw action compresses spring with adjustment screw.
4. double-contact hydraulic pressure switch according to claim 1, it is characterized in that: described pressure adjusting part comprises the pressing plate be arranged in framework, corresponding pressing plate place is arranged on the adjustment screw on framework, the lower surface of described pressing plate is provided with a boss, described boss is installed on the upper end of spring, and described pressing plate can screw action compresses spring with adjustment screw.
5. the double-contact hydraulic pressure switch according to claim 1 or 2 or 4, it is characterized in that: described moving contact comprises U-shaped contact, two moving contacts be separately positioned on two openends of U-shaped contact, described travelling carriage is crosswise, this travelling carriage comprises riser and transverse slat, the lower end of described riser is arranged in U-shaped contact, and difference corresponding conflict in the two ends of transverse slat is on the upper surface of two openends of U-shaped contact, this U-shaped contact with travelling carriage action and drive two moving contact actions, the disconnection realizing two moving contacts and the fixed contact of two on fixed contact be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521026793.0U CN205140864U (en) | 2015-12-05 | 2015-12-05 | Double -contact hydraulic pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521026793.0U CN205140864U (en) | 2015-12-05 | 2015-12-05 | Double -contact hydraulic pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205140864U true CN205140864U (en) | 2016-04-06 |
Family
ID=55626629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521026793.0U Active CN205140864U (en) | 2015-12-05 | 2015-12-05 | Double -contact hydraulic pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205140864U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652503A (en) * | 2019-10-10 | 2021-04-13 | 侯耀淞 | Differential pressure switch |
| RU215006U1 (en) * | 2022-04-05 | 2022-11-24 | Общество С Ограниченной Ответственностью "Электро Пром Торг" | Switching device contact system device |
-
2015
- 2015-12-05 CN CN201521026793.0U patent/CN205140864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652503A (en) * | 2019-10-10 | 2021-04-13 | 侯耀淞 | Differential pressure switch |
| RU215006U1 (en) * | 2022-04-05 | 2022-11-24 | Общество С Ограниченной Ответственностью "Электро Пром Торг" | Switching device contact system device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |