CN207800489U - Water pressure switch - Google Patents
Water pressure switch Download PDFInfo
- Publication number
- CN207800489U CN207800489U CN201820203046.7U CN201820203046U CN207800489U CN 207800489 U CN207800489 U CN 207800489U CN 201820203046 U CN201820203046 U CN 201820203046U CN 207800489 U CN207800489 U CN 207800489U
- Authority
- CN
- China
- Prior art keywords
- sliding
- sliding block
- pedestal
- inner cavity
- cavity
- 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.)
- Active
Links
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of water pressure switch, including pedestal, pedestal includes fluid channel and sliding inner cavity, fluid channel is used for and fluid circuit unicom, sliding is provided with sliding block in sliding inner cavity, the sliding inner cavity is divided into pressure measuring cavity and pressure balance chamber by the sliding block, wherein pressure measuring cavity is connected with fluid channel, it is connected outside pressure balance chamber and pedestal, resetting spring is provided in pressure balance chamber, the resetting spring is butted between sliding block and pressure balance cavity wall, the sliding block can move when hydraulic pressure increase towards resetting spring compression direction in pressure measuring cavity, one end of sliding block towards resetting spring is provided with the magnet slided with sliding block, the hall sensing device for coordinating induction slide position with magnet is provided on pedestal.Water pressure switch provided by the utility model, simple in structure, high sensitivity, service life are long, it is not easy to break down.
Description
Technical field
The utility model is related to a kind of water pressure switch.
Background technology
Water pressure switch is usually used in the electric appliances such as water purifier, water purification machine, water dispenser, and water pressure switch generally comprises pedestal, seat
Body includes fluid channel and pressure measuring cavity, and for being connected with fluid circuit, pressure measuring cavity is connected fluid channel with fluid channel,
It is provided with water-proof film in pressure measuring cavity, microswitch is provided in switch element installation cavity, between microswitch and water-proof film
It is provided with the linkage mechanism with elastic reset ability, when Fluid pressure increases, diaphragm deformation is pressed simultaneously by linkage mechanism
Trigger microswitch；When Fluid pressure reduces, linkage mechanism reduces the pressing to microswitch with diaphragm deformation, and then makes micro-
Dynamic switch restPoses, and is detected by the action state to microswitch, can realize stream in control fluid circuit
The purpose of body pressure.
The linkage structure of water pressure switch in the prior art is complicated, and service life is shorter, and sensitivity is poor, is used for a long time
It is susceptible to failure.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of water pressure switch, simple in structure, high sensitivity,
Service life is long, it is not easy to break down.
To achieve the above object, the utility model provides a kind of water pressure switch, including pedestal, and pedestal includes fluid
Channel and sliding inner cavity, fluid channel be used for fluid circuit unicom, slide sliding in inner cavity and be provided with sliding block, the sliding block is by institute
It states sliding inner cavity and is divided into pressure measuring cavity and pressure balance chamber, wherein pressure measuring cavity is connected with fluid channel, pressure balance chamber and seat
Be connected outside body, resetting spring be provided in pressure balance chamber, the resetting spring be butted on sliding block and pressure balance cavity wall it
Between, the sliding block can in pressure measuring cavity hydraulic pressure increase when towards resetting spring compression direction move, sliding block towards resetting spring one
End is provided with the magnet slided with sliding block, and the hall sensing device for coordinating induction slide position with magnet is provided on pedestal.
It is using the advantages of above-mentioned technical proposal：After water pressure switch is connect with fluid circuit, the water in fluid circuit
Stream can flow through fluid channel；Due to fluid channel and pressure measuring cavity unicom, the flow in fluid channel can enter in pressure measuring cavity.
Sliding block can be pushed to move towards the direction for making resetting spring compress when the hydraulic pressure in pressure measuring cavity increases, and when the water in pressure measuring cavity
When pressure reduces, sliding block can reset under the action of resetting spring.Since magnet being arranged on sliding block, and setting is matched with magnet on pedestal
The hall sensing device for closing induction slide position, is detected by the output signal to hall sensing device, can realize control
The purpose of fluid circuit fluid pressure processed.The utility model is due to the above structure, more compared with structure for the prior art
To be simple, and high sensitivity, service life are long, it is not easy to break down.
Be provided in the pressure measuring cavity as a further improvement of the utility model, anti-limited slip block and pressure measuring cavity inner wall it
Between the buffer spring that collides, which is butted between sliding block and the inner wall of pressure measuring cavity.
It is using the advantages of above-mentioned technical proposal：When hydraulic pressure reduces suddenly in pressure measuring cavity, sliding block is in action of reset spring
It is easy to collide with the inner wall of pressure measuring cavity when lower rapid reset, to cause mechanical failure, the setting of buffer spring that can rise
To cushioning effect, service life is improved.
The sliding inner cavity is cylinder as a further improvement of the utility model, and the sliding block includes and slides
The sliding part of the internal perisporium cooperation sliding of inner cavity, offers annular groove on the periphery wall of sliding part, be provided in annular groove in sliding
The sealing ring of the internal perisporium fitted seal of chamber.
It is using the advantages of above-mentioned technical proposal：Guiding is played the role of in sliding inner cavity to the sliding part of sliding block, makes sliding block
It can be moved along sliding inner cavity；Due to offering annular groove on the periphery wall of sliding part, it is provided in annular groove and sliding inner cavity
The sealing ring of internal perisporium fitted seal can prevent the water in pressure measuring cavity from being flowed by the gap between sliding part and sliding inner cavity
Into pressure balance chamber, leak is avoided.
One end of the sliding block towards resetting spring includes pillar as a further improvement of the utility model, described
Magnet, which is arranged on the inner wall to offset with resetting spring on the end of pillar, pressure balance chamber, offers first annular slot, resets
One end of spring is set on pillar, and the other end of resetting spring is inserted in first annular slot.
It is using the advantages of above-mentioned technical proposal：Enable resetting spring stablize be butted on sliding block and pressure balance cavity wall it
Between, guarantee resetting spring can normally compress and diastole.
Is offered on the inner wall to offset as a further improvement of the utility model, with buffer spring on the pressure measuring cavity
One end of second ring slot, the sliding block towards buffer spring includes third annular groove, and the both ends of buffer spring are inserted in respectively
In second annular groove and third annular groove.
It is using the advantages of above-mentioned technical proposal：Enable buffer spring stablize be butted on sliding block and pressure balance cavity wall it
Between, guarantee resetting spring can normally compress and diastole.
The pedestal includes lower base and upper pedestal, upper pedestal splicing setting as a further improvement of the utility model,
In the upper end of lower base, the fluid channel is arranged on lower base, on lower base setting there are two respectively with fluid channel two
It holds the fast connector of unicom, the sliding inner cavity to be mutually spliced to form by lower base and upper pedestal, connection is provided on lower base
Lead to the guide hole of sliding inner cavity and fluid channel, the venthole being provided on upper pedestal outside unicom sliding inner cavity and pedestal, the seat of honour
Body upper end is provided with slot at the outer wall of sliding inner cavity, and the hall sensing device is inserted in slot.
It is using the advantages of above-mentioned technical proposal：The pedestal uses this knot that lower base and upper pedestal mutually splice
The parts such as sliding block, resetting spring can be easily assembled in sliding inner cavity by structure；Fast connector sets on lower base
It sets, is convenient for the connection of fluid channel and fluid circuit；The installation of hall sensing device is convenient in the setting of the slot of upper pedestal upper end
It is fixed.
Description of the drawings
Fig. 1 is the structure chart of the utility model embodiment；
Fig. 2 is the explosive view of the utility model embodiment；
Fig. 3 is the vertical view of the utility model embodiment；
Fig. 4 is the sectional view of the parts A-A in Fig. 3.
Specific implementation mode
A kind of embodiment of water pressure switch of the utility model is as shown in Figures 1 to 4：Including pedestal, pedestal includes stream
Body channel 18 and sliding inner cavity, fluid channel 18 be used for fluid circuit unicom, slide inner cavity in sliding be provided with sliding block 3, should
The sliding inner cavity is divided into pressure measuring cavity 17 and pressure balance chamber 15 by sliding block 3, and wherein pressure measuring cavity 17 is connected with fluid channel 18
It is logical, it is connected outside pressure balance chamber 15 and pedestal, resetting spring 34 is provided in pressure balance chamber 15, which supports
Between 15 inner wall of sliding block 3 and pressure balance chamber, the sliding block 3 can press when hydraulic pressure increase towards resetting spring 34 in pressure measuring cavity 17
Contracting direction moves, and one end of sliding block 3 towards resetting spring 34 is provided with the magnet 23 slide with sliding block 3, be provided on pedestal and
The hall sensing device 2 of 3 position of the cooperation induction sliding block of magnet 23, hall sensing device 2 is including wiring board 21 and is integrated in line
Hall element 22 on the plate of road.Due to pressure measuring cavity 17 and 18 unicom of fluid channel, the hydraulic pressure in pressure measuring cavity 17 is with fluid channel
Hydraulic pressure in 18 and change, to drive sliding block 3 to move up and down.Sliding block 3 during exercise, magnet 23 and Hall element 22
The distance between change, be detected by the output signal to hall sensing device, can realize control fluid circuit
The purpose of fluid pressure.
In the present embodiment, it is provided between anti-limited slip block 3 and the inner wall of pressure measuring cavity 17 and touches in the pressure measuring cavity 17
The buffer spring 35 hit, the buffer spring 35 are butted between sliding block 3 and the inner wall of pressure measuring cavity 17, buffer spring 3 and resetting spring
34 force direction is on same axis.
In the present embodiment, the sliding inner cavity is cylinder, and the sliding block 3 includes to match with the internal perisporium of sliding inner cavity
The sliding part 31 of sliding is closed, sliding inner cavity plays the role of guiding to sliding part 31, ring is offered on the periphery wall of sliding part 31
Slot is provided with the sealing ring 33 with the internal perisporium fitted seal of sliding inner cavity in annular groove, due to the setting of sealing ring 33, pressure measuring cavity
Water in 17 is not easy to be flowed into pressure balance chamber 15.
In the present embodiment, one end of the sliding block 3 towards resetting spring 34 includes pillar 32, and the magnet 23 is embedded in
In the end of pillar 32, first annular slot 51 is offered on the inner wall that offsets with resetting spring 34 on pressure balance chamber 15, is resetted
One end of spring 34 is set on pillar 32, and the other end of resetting spring 34 is inserted in first annular slot 51.
In the present embodiment, the second annular groove is offered on the inner wall to offset with buffer spring 35 on the pressure measuring cavity 17
52, one end of the sliding block 3 towards buffer spring 35 includes third annular groove 53, and the both ends of buffer spring 35 are inserted in respectively
In second annular groove 52 and third annular groove 53.
In the present embodiment, the pedestal includes lower base 12 and upper pedestal 11, and the splicing of upper pedestal 11 is set to lower base
12 upper end is fixed after splicing between lower base 12 and upper pedestal 11 by screw 14, and the setting of the fluid channel 18 exists
On lower base 12, there are two the fast connector 13 with 18 both ends unicom of fluid channel respectively, the cunnings for setting on lower base 12
Dynamic inner cavity is mutually spliced to form by lower base 12 and upper pedestal 11, and unicom sliding inner cavity and fluid channel are provided on lower base 12
18 guide hole 4, the venthole 16 being provided on upper pedestal 11 outside unicom sliding inner cavity and pedestal, 11 upper end of upper pedestal is close to sliding
It is provided with slot 19 at the outer wall of dynamic inner cavity, the hall sensing device 2 is inserted in slot, the Hall element 22 and magnet
It is separated by the outer wall for sliding inner cavity between 23.
Above example, only one kind of the utility model preferably specific example, those skilled in the art are new in this practicality
The usual variations and alternatives carried out in type technical proposal scope are included in the scope of protection of the utility model.
Claims (6)
1. a kind of water pressure switch, including pedestal, it is characterised in that：Pedestal includes fluid channel and sliding inner cavity, and fluid is logical
Road be used for fluid circuit unicom, slide inner cavity in sliding be provided with sliding block, which is divided into pressure measurement by the sliding inner cavity
Chamber and pressure balance chamber, wherein pressure measuring cavity are connected with fluid channel, are connected outside pressure balance chamber and pedestal, pressure balance
Resetting spring is provided in chamber, which is butted between sliding block and pressure balance cavity wall, and the sliding block can be in pressure measuring cavity
It is moved towards resetting spring compression direction when middle hydraulic pressure increases, one end of sliding block towards resetting spring is provided with the magnetic slided with sliding block
Body is provided with the hall sensing device for coordinating induction slide position with magnet on pedestal.
2. according to the water pressure switch described in claim 1, it is characterised in that：Be provided in the pressure measuring cavity anti-limited slip block with
The buffer spring to collide between the inner wall of pressure measuring cavity, the buffer spring are butted between sliding block and the inner wall of pressure measuring cavity.
3. the water pressure switch according to claims 1 or 2, it is characterised in that：The sliding inner cavity is cylinder, described
Sliding block includes the sliding part with the internal perisporium cooperation sliding of sliding inner cavity, and annular groove, annular groove are offered on the periphery wall of sliding part
In be provided with sliding inner cavity internal perisporium fitted seal sealing ring.
4. the water pressure switch according to claims 1 or 2, it is characterised in that：The sliding block towards resetting spring one
End includes pillar, and the magnet, which is arranged on the inner wall to offset with resetting spring on the end of pillar, pressure balance chamber, to be opened up
There are first annular slot, one end of resetting spring to be set on pillar, the other end of resetting spring is inserted in first annular slot.
5. according to the water pressure switch described in claim 2, it is characterised in that：It offsets with buffer spring on the pressure measuring cavity
The second annular groove is offered on inner wall, one end of the sliding block towards buffer spring includes third annular groove, buffer spring
Both ends are inserted in respectively in the second annular groove and third annular groove.
6. according to the water pressure switch described in claim 1, it is characterised in that：The pedestal includes lower base and upper pedestal,
Upper pedestal splices the upper end for being set to lower base, and the fluid channel is arranged on lower base, and there are two divide for setting on lower base
Not with the fast connector of fluid channel both ends unicom, the sliding inner cavity is mutually spliced to form by lower base and upper pedestal, under
It is provided with the guide hole of unicom sliding inner cavity and fluid channel on pedestal, is provided on upper pedestal outside unicom sliding inner cavity and pedestal
Venthole, upper pedestal upper end close to sliding inner cavity outer wall at be provided with slot, the hall sensing device is inserted in slot
In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820203046.7U CN207800489U (en) | 2018-02-06 | 2018-02-06 | Water pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820203046.7U CN207800489U (en) | 2018-02-06 | 2018-02-06 | Water pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800489U true CN207800489U (en) | 2018-08-31 |
Family
ID=63268251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820203046.7U Active CN207800489U (en) | 2018-02-06 | 2018-02-06 | Water pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627750A (en) * | 2020-07-30 | 2020-09-04 | 南京网安视智能系统有限公司 | Novel pressure relay |
-
2018
- 2018-02-06 CN CN201820203046.7U patent/CN207800489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627750A (en) * | 2020-07-30 | 2020-09-04 | 南京网安视智能系统有限公司 | Novel pressure relay |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207800489U (en) | Water pressure switch | |
| CN207763876U (en) | A kind of pressure difference signal device with novel measurement method and sealing structure | |
| CN104792635A (en) | Soil-hardness meter | |
| CN202372295U (en) | Novel vibrating wire type osmometer | |
| CN204479100U (en) | A kind of airtight test device | |
| CN103851242A (en) | Household automatic water closing valve and automatic water closing method thereof | |
| CN210198626U (en) | Gas differential pressure transmitter | |
| CN203929309U (en) | A kind of pressure unit that detects mud pressure | |
| CN206257037U (en) | A kind of pump capacity control device | |
| CN103700540B (en) | Current inductive switch | |
| CN203757141U (en) | Domestic automatic water closing valve | |
| CN110243530A (en) | A kind of novel pressure sensor | |
| CN203249649U (en) | Fluid flowmeter | |
| CN208123589U (en) | A kind of gas pressure regulator, governor with the instruction of valve position scene | |
| CN208872460U (en) | Flat membranous type pressure transmitter | |
| CN213239296U (en) | Pressure sensor | |
| CN208750061U (en) | A kind of multichannel flow control valve | |
| CN207068744U (en) | A kind of Multifunctional, air compresses switch | |
| CN203604794U (en) | Mechanical reversing safety valve based on monitoring of inductive transducer | |
| CN107654788B (en) | Shutoff silica gel device | |
| CN204168267U (en) | Electron wind compresses switch and gas utensil | |
| CN105043652A (en) | Cut-off-type pressure gage short connector | |
| CN104242891A (en) | Electronic wind pressure switch and gas appliance | |
| CN1831491A (en) | Oil container for measuring oil volume changing | |
| CN104422427B (en) | A kind of mechanical switch type depth transducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |