CN206789485U - A kind of pressure switch - Google Patents
A kind of pressure switch Download PDFInfo
- Publication number
- CN206789485U CN206789485U CN201720237691.6U CN201720237691U CN206789485U CN 206789485 U CN206789485 U CN 206789485U CN 201720237691 U CN201720237691 U CN 201720237691U CN 206789485 U CN206789485 U CN 206789485U
- Authority
- CN
- China
- Prior art keywords
- mounting
- hole
- housing
- sealing ring
- pressure switch
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 8
- 239000000565 sealant Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Abstract
The utility model discloses a kind of pressure switch, including housing, mounting hole is provided with shell one end, detecting means are installed in mounting hole, detecting means include mounting shell, seal groove is provided with mounting hole and mounting shell contact site, sealing ring is provided with seal groove, mounting groove is provided with mounting shell, sensor is provided with mounting groove, screw thread is provided with mounting groove inwall, the retainer ring for being connected through a screw thread fixed sensor is provided with mounting groove, the detection hole of mounting groove is communicated with mounting shell；Fixing hole is provided with housing, screw thread is provided with fixing hole inwall, export head is connected with fixing hole internal thread, sealing ring is provided with fixed bore edges, sealing ring is provided with sealing ring, sealed set has aviation plug in export head；Circuit board is provided with housing, control panel, sensor and circuit board electrical connection, control panel and circuit board electrical connection, aviation plug and circuit board electrical connection are externally provided with housing.
Description
Technical field
Pressure testing and controlling Instrument technology field is the utility model is related to, especially a kind of pressure switch.
Background technology
" nerve " of the pressure sensor as the measurement control of various fluid medium pressure Automated electronics, navigates in modern space flight
Irreplaceable effect is played in sea, military project scientific research, industrial stokehold, vehicle operation monitoring, more and more extensive applies
Military project scientific research, industrial production, communications and transportation, the various aspects of people's life facility, it is excessively program control for the production run of all industries
System provides decision-making foundation；In recent years along with industrial development and the rapid development of automatic control technology, to corrosive fluid pressure
The technical requirements of power measurement control, convenience, stability, reliability requirement improve constantly, while to possess corrosion resistance, scene
The real-time digital display of pressure, pressure switch point, which can be pre-adjusted, sets simultaneously intelligent switching control while with 4~20mA of pressure transmitter
The complex function measure and control instrument of the normal teletransmission output signal of standard electric signal, the sealing and corrosion resistance of existing pressure switch are all
Need greatly to improve.
Utility model content
There is provided one kind compact-sized, good sealing effect to solve deficiency of the prior art, corrosion resistant pressure switch,
Technical scheme is used by the utility model：
A kind of pressure switch, including housing, mounting hole is provided with described shell one end, is installed in described mounting hole
There are detecting means, described detecting means include mounting shell, seal groove are provided with described mounting hole and mounting shell contact site, in institute
Sealing ring is provided with the seal groove stated, mounting groove is provided with described mounting shell, is provided with and passes in described mounting groove
Sensor, screw thread is provided with described mounting groove inwall, is provided with described mounting groove and is connected through a screw thread fixed sensor
Retainer ring, the detection hole of mounting groove is communicated with described mounting shell；Fixing hole is provided with described housing, described
Fixing hole inwall be provided with screw thread, be connected with export head in described fixing hole internal thread, be provided with described fixation bore edges
Sealing ring, sealing ring is provided with described sealing ring, sealed set has aviation plug in described export head；Described
Circuit board is provided with housing, control panel, described sensor and circuit board electrical connection are externally provided with described housing, it is described
Control panel and circuit board electrical connection, described aviation plug and circuit board electrical connection.
Locking hole is provided with described housing, the holds out against screw of locked mounting shell, institute are provided with described locking hole
The locking hole stated is located at installation groove location.
Buffer substrate tablet is additionally provided with described mounting groove, described buffer substrate tablet is placed between detection hole and sensor.
Described seal groove is equipped with sealing ring at least provided with three in described each seal groove.
Described housing, mounting shell and export head is made of stainless steel.
It is cylindrical in described housing, the mounting surface in plane, described control are provided with described housing exterior walls
Panel is fixedly mounted on mounting surface by fluid sealant, and power supply connecting wire is offered on described mounting surface and passes through opening.
Described buffer substrate tablet is evenly equipped with the disk of through hole.
Using the pressure switch of above structure, because mounting shell and housing contact site are provided with seal groove, in seal groove
Provided with sealing ring so that position sealing is close, export head is connected by screw thread with housing, is provided between housing and export head
Sealing ring, sealing ring is set in sealing ring, makes the position good airproof performance, it is rotten in housing that both ends sealing prevents that pressure measurement liquid from entering
Internal component is lost, improves service life.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model structure first.
Fig. 2 is the schematic diagram of the utility model structure second.
Fig. 3 is the utility model explosive view.
Fig. 4 is the utility model shell structure schematic diagram.
Fig. 5 is the utility model mounting shell structural representation.
Fig. 6 is the utility model export head structural representation.
Fig. 7 is the utility model section view.
Fig. 8 is the utility model circuit block diagram.
Embodiment
As shown in Figure 1, Figure 2, the pressure switch shown in Fig. 3 and Fig. 7, including housing 1, as shown in Figure 3 and Figure 4 at the both ends of housing 1
Mounting hole 1-1 and fixing hole 1-2 are respectively arranged with, detecting means 2 are provided with mounting hole 1-1, detecting means 2 include mounting shell 2-
1st, sensor 2-2, retainer ring 2-3 and buffer substrate tablet 2-4, mounting groove 2-11 and detection are provided with mounting shell 2-1 as shown in Figure 5
Hole 2-12, detection hole 2-12 connect with mounting groove 2-11, as Fig. 7 from mounting groove 2-11 bottoms is outwards disposed with buffer substrate tablet 2-
4th, sensor 2-2, retainer ring 2-3, setting for buffer substrate tablet 2-4 can be increased and decreased according to the environmental pressure difference to be tested in practice
Put, using the pressure switch for being provided with buffer substrate tablet 2-4 in the case of needing test pressure environment larger, due on buffer substrate tablet 2-4
Through hole is evenly equipped with, can cut down test fluid by these through holes directly impacts to sensor 2-2, so as to protect sensor 2-
2, screw thread is provided with mounting groove 2-11 inwalls, retainer ring 2-3, which is connected through a screw thread, to be fixed in mounting groove 2-11, retainer ring 2-3
Pressure sensor 2-2 is fixed and plays sealing function simultaneously, it is necessary to which the fluid of detection is made by detection hole 2-12 into detecting means 2
With carrying out pressure detecting on sensor 2-2；Seal groove 3 is provided with mounting shell 2-1 and mounting hole 1-1 contacts site, it is close
Sealing ring 4 is set in sealing groove 3, and what seal groove 3 and sealing ring 1-21 were matched in the embodiment is provided with three, in practice at least
Three are set, more, raising sealing effectiveness can be set according to ambient conditions, avoids being influenceed to destroy internal first device by environment
Part；Locking hole 1-3 is additionally provided with housing 1, holds out against screw 8 is provided with locking hole 1-3, holds out against screw 8 can be right after tightening
Mounting shell 2-1 in mounting hole 1-1 plays locked effect, is set so locking hole 1-3 positions are set on mounting shell 2-1
On mounting hole 1-1 position.
Export head 5 is installed in fixing hole 1-2, as figure fixing hole 1-2 inwalls are provided with screw thread, export head 5 passes through screw thread
It is fixedly mounted in fixing hole 1-2, fixing hole 1-2 edges are provided with the sealing ring 1-21 in arc groove, are set on sealing ring 1-21
Put sealing ring 4, export head 5, which is connected through a screw thread, to be fixed rear crush seal circle 4 and play sealing function, is being exported as shown in Figure 6
Through hole is provided with first 5, sets aviation plug 5-1, aviation plug 5-1 to consolidate by fluid sealant in through hole interior sealing in through hole
It is fixed；
Housing 1 as shown in Figure 4 is cylindrical in this embodiment, and mounting hole 1-1 and fixing hole 1-2 are separately positioned on shell
The plan-position at the both ends of body 1, the center of housing 1 are hollow, and circuit board 6 is provided with housing 1, one is milled out in the outer wall of housing 1
Individual mounting surface 1-4, mounting surface 1-4 are plane, and opening 1-5 is opened up on mounting surface 1-4 and is connected with the inner cavity chamber of housing 1, is being pacified
Control panel 7 is set on the 1-4 of dress face, and control panel 7 is fixed on mounting surface 1-4 by sealant sealing.
Circuit part above is connected as：Sensor 2-2 is electrically connected to circuit board 6, and control panel 7 passes through opening 1-5 electricity
Circuit board 6 is connected to, aviation plug 5-1 is electrically connected to circuit board 6, and sensor 2-2 as shown in Figure 8 is converted into by Fluid pressure
For electric signal transmission to circuit board 6, the signal after the processing of circuit board 6 shows current pressure by the display on control panel 7,
Control button on control panel 7 stores the information to adjust pressure value and pressure setting is transferred into circuit board 6, works as circuit
Plate 6 detects that sensor 2-2 pressure value exceedes or during less than this setting range value to connecting superincumbent aviation plug
5-1 output signals are turned on or off aviation plug, play a part of switch.
Housing 1, mounting shell 2-1 in above structure, export head 5 are made of stainless steel, and each part it
Between good airproof performance, so that the pressure switch can also be kept for the long-life in a corrosive environment, and can Breakup of Liquid Ring again
Still internal electric elements are played a protective role within the border.Housing causes volume to reduce using cylindrical shape, integral assembling structure
It is compact, it is more convenient to install and use in small space.
Claims (7)
1. a kind of pressure switch, including housing (1), it is characterised in that：Mounting hole (1-1) is provided with described housing (1) one end,
Detecting means (2) are installed in described mounting hole (1-1), described detecting means (2) include mounting shell (2-1), described
Mounting hole (1-1) and mounting shell (2-1) contact site are provided with seal groove (3), and sealing ring is provided with described seal groove (3)
(4) mounting groove (2-11), is provided with described mounting shell (2-1), sensing is provided with described mounting groove (2-11)
Device (2-2), screw thread is provided with described mounting groove (2-11) inwall, is provided with described mounting groove (2-11) and is connected by screw thread
Fixed sensor (2-2) retainer ring (2-3) is connect, mounting groove (2-11) inspection is communicated with described mounting shell (2-1)
Gaging hole (2-12)；Fixing hole (1-2) is provided with described housing (1), screw thread is provided with described fixing hole (1-2) inwall,
Export head (5) is connected with described fixing hole (1-2) internal thread, sealing ring (1- is provided with described fixing hole (1-2) edge
21) sealing ring (4), is provided with described sealing ring (1-21), sealed set has aviation plug in described export head (5)
(5-1)；Circuit board (6) is provided with described housing (1), control panel (7) is externally provided with described housing (1), it is described
Sensor (2-2) is electrically connected with circuit board (6), and described control panel (7) is electrically connected with circuit board (6), and described aviation is inserted
Head (5-1) electrically connects with circuit board (6).
A kind of 2. pressure switch according to claim 1, it is characterised in that：Locking hole is provided with described housing (1)
(1-3), the holds out against screw (8) of locked mounting shell (2-1), described locking hole (1-3) are provided with described locking hole (1-3)
It is located at mounting groove (2-11) position.
A kind of 3. pressure switch according to claim 1 or 2, it is characterised in that：In described mounting groove (2-11) also
Provided with buffer substrate tablet (2-4), described buffer substrate tablet (2-4) is placed between detection hole (2-12) and sensor (2-2).
A kind of 4. pressure switch according to claim 3, it is characterised in that：Described seal groove (3) at least provided with three,
Sealing ring (1-21) is equipped with described each seal groove (3).
A kind of 5. pressure switch according to claim 4, it is characterised in that：Described housing (1), mounting shell (2-1) with
And export head (5) is made of stainless steel.
A kind of 6. pressure switch according to claim 5, it is characterised in that：It is cylindrical in described housing (1), in institute
Housing (1) outer wall stated is provided with the mounting surface (1-4) in plane, and described control panel (7) is fixedly mounted by fluid sealant
On mounting surface (1-4), power supply connecting wire is offered on described mounting surface (1-4) and passes through opening (1-5).
A kind of 7. pressure switch according to claim 6, it is characterised in that：Described buffer substrate tablet (2-4) is evenly equipped with through hole
Disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720237691.6U CN206789485U (en) | 2017-03-13 | 2017-03-13 | A kind of pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720237691.6U CN206789485U (en) | 2017-03-13 | 2017-03-13 | A kind of pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206789485U true CN206789485U (en) | 2017-12-22 |
Family
ID=60704107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720237691.6U Expired - Fee Related CN206789485U (en) | 2017-03-13 | 2017-03-13 | A kind of pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206789485U (en) |
-
2017
- 2017-03-13 CN CN201720237691.6U patent/CN206789485U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pressure switch Effective date of registration: 20180822 Granted publication date: 20171222 Pledgee: Bank of Changan Limited by Share Ltd. Baoji Jinling subbranch Pledgor: BAOJI HUAMIN MEASUREMENT CONTROL INSTRUMENT Co.,Ltd. Registration number: 2018610000134 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190822 Granted publication date: 20171222 Pledgee: Bank of Changan Limited by Share Ltd. Baoji Jinling subbranch Pledgor: BAOJI HUAMIN MEASUREMENT CONTROL INSTRUMENT Co.,Ltd. Registration number: 2018610000134 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pressure switch Effective date of registration: 20190826 Granted publication date: 20171222 Pledgee: Bank of Changan Limited by Share Ltd. Baoji Jinling subbranch Pledgor: BAOJI HUAMIN MEASUREMENT CONTROL INSTRUMENT Co.,Ltd. Registration number: Y2019980000056 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200904 Granted publication date: 20171222 Pledgee: Bank of Changan Limited by Share Ltd. Baoji Jinling subbranch Pledgor: BAOJI HUAMIN MEASUREMENT CONTROL INSTRUMENT Co.,Ltd. Registration number: Y2019980000056 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressure switch Effective date of registration: 20200909 Granted publication date: 20171222 Pledgee: Bank of Changan Limited by Share Ltd. Baoji Jinling subbranch Pledgor: BAOJI HUAMIN MEASUREMENT CONTROL INSTRUMENT Co.,Ltd. Registration number: Y2020980005788 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210924 Granted publication date: 20171222 Pledgee: Bank of Changan Limited by Share Ltd. Baoji Jinling subbranch Pledgor: BAOJI HUAMIN MEASUREMENT CONTROL INSTRUMENT Co.,Ltd. Registration number: Y2020980005788 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressure switch Effective date of registration: 20210928 Granted publication date: 20171222 Pledgee: Bank of Changan Limited by Share Ltd. Baoji Jinling subbranch Pledgor: BAOJI HUAMIN MEASUREMENT CONTROL INSTRUMENT Co.,Ltd. Registration number: Y2021980010034 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |