CN108663159A - A kind of endoporus sealing structure of pressure sensor - Google Patents
A kind of endoporus sealing structure of pressure sensor Download PDFInfo
- Publication number
- CN108663159A CN108663159A CN201810639155.8A CN201810639155A CN108663159A CN 108663159 A CN108663159 A CN 108663159A CN 201810639155 A CN201810639155 A CN 201810639155A CN 108663159 A CN108663159 A CN 108663159A
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- fixedly connected
- mounting groove
- push rod
- groove
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of endoporus sealing structures of pressure sensor, including shell, mounting groove is offered at the top of the shell, the mounting groove is internally provided with fixing piece, the inside of the mounting groove and positioned at fixing piece top be equipped with rubber seal ring, pressure sensor component is fixedly connected at the top of the fixing piece, the bottom of the pressure sensor component is fixedly connected with push rod, is opened up at the bottom surface of the mounting groove and corresponding push rod fluted.The endoporus sealing structure of the pressure sensor, sensor is greatly reduced with media contact area in structure, and the pressing force smaller that when assembly needs, sensor does not stress longitudinally when assembly is completed, sensing element is not contacted with shell, pressure sensor component is in suspended state, and without prestressing force, measurement accuracy and stability greatly improve, simultaneously, encapsulation volume reduces, and cost also reduces, and the effect of sealing is also more preferable.
Description
Technical field
The present invention relates to sealing structure technical field more particularly to a kind of endoporus sealing structures of pressure sensor.
Background technology
Pressure sensor is to experience pressure signal, and can be converted into pressure signal according to certain rule available defeated
The device or device of the electric signal gone out, pressure sensor are usually made of pressure-sensing device and signal processing unit, by difference
Test pressure type, pressure sensor can be divided into gauge pressure transducer, differential pressure pick-up and absolute pressure sensor.
In the prior art, the endoporus sealing structure sealing effect of pressure sensor is poor, under the precision that can lead to sensor
Drop.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of pressure sensor proposed is interior
Hole sealing structure.
To achieve the goals above, present invention employs following technical solutions：
A kind of endoporus sealing structure of pressure sensor, including shell offer mounting groove at the top of the shell, described
Mounting groove is internally provided with fixing piece, the inside of the mounting groove and is equipped with rubber seal ring, institute positioned at the top of fixing piece
It states and is fixedly connected with pressure sensor component at the top of fixing piece, the bottom of the pressure sensor component, which is fixedly connected with, to push away
Open up fluted at bar, the bottom surface of the mounting groove and corresponding push rod, the bottom end of the push rod extends to the inside of groove and leads to
It crosses clamping structure to be clamped with groove, sealing ring, the bottom surface of the mounting groove is fixedly connected between the mounting groove and fixing piece
And it has been fixedly connected with slip pipe at left and right sides of push rod, the internal slide of the slip pipe is connected with mandril, the mandril
Top and bottom has been fixedly connected with resetting spring, and the resetting spring is fixedly connected close to one end of slip pipe with slip pipe, described
The one end of mandril far from push rod is fixedly connected with the arc panel contacted with rubber seal ring, the top of the pressure sensor component
And it is fixedly connected with gasket positioned at the inside of mounting groove, it is fixed that the left and right sides at the top of the gasket offers symmetrical first
Position slot, the inside of first locating slot are plugged with locating rod, and the top of the locating rod extends to the outside of the first locating slot
And it is hinged with the top of shell.
Preferably, the opposite face of two fixing pieces has been fixedly connected with connecting rod, and rubber is extended at the top of connecting rod
The top of glue sealing ring is simultaneously fixedly connected with the bottom of pressure sensor component.
Preferably, the top and bottom of the mandril has been fixedly connected with vertical plate, and vertical plate is solid close to the one side of slip pipe
Surely it is connected with resetting spring.
Preferably, the mandril is oblique at the top of one end of push rod.
Preferably, the clamping structure includes being opened in the elastic groove of push rod two bottom sides and being opened in bottom portion of groove both sides
Card slot, the internal slide of elastic groove is connected with piston, and piston is fixedly connected with snap-gauge, snap-gauge on one side far from elastic groove slot bottom
It extends to the outside of elastic groove and is clamped with card slot.
Preferably, the mounting groove offers the second locating slot, sealing ring close to the cell wall of two fixing piece opposite sides
Positioned at the inside of the second locating slot.
Compared with prior art, beneficial effects of the present invention are：In the present invention, rubber seal ring is first placed on fixing piece
Between pressure sensor component, pressure sensor component is fixedly connected with fixing piece for inductive signal and output signal
Pressure sensor component is placed in the mounting groove opened up on shell, and the push rod of pressure sensor component bottom is inserted into groove,
Snap-gauge pressing piston in clamping structure slides into elastic groove, when the bottom piston that push rod is inserted into groove pushes snap-gauge to skid off elasticity
Slot makes push rod be clamped with card slot, simple in structure, saves connection space, and push rod pushes two mandrils in slip pipe during declining
It slides in the opposite direction, mandril drives resetting spring to elongate, and the mobile drive arc panel of mandril is to the direction of rubber seal ring
It is mobile so that rubber seal ring contact even closer with the cell wall of mounting groove, and sealing effect is more preferable, sensor and Jie in the structure
Matter contact area greatly reduces, and the pressing force smaller that when assembly needs, sensor does not stress longitudinally when assembly is completed, sensing element
Part is not contacted with shell, and pressure sensor component is in suspended state, and without prestressing force, measurement accuracy and stability carry significantly
Height, meanwhile, encapsulation volume reduces, and cost also reduces, and the effect of sealing is also more preferable.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the endoporus sealing structure of pressure sensor proposed by the present invention；
Fig. 2 is the partial enlarged view at A in Fig. 1.
In figure：1 shell, 2 mounting grooves, 3 fixing pieces, 4 rubber seal rings, 5 pressure sensor components, 6 push rods, 7 card slots, 8
Clamping structure, 9 sealing rings, 10 slip pipes, 11 mandrils, 12 resetting springs, 13 arc panels, 14 gaskets, 15 first locating slots, 16 are determined
Position bar, 17 connecting rods, 18 vertical plates, 19 elastic grooves, 20 pistons, 21 snap-gauges, 22 second locating slots, 23 grooves.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, the top of the endoporus sealing structure of a kind of pressure sensor, including shell 1, shell 1 offers peace
Tankage 2, mounting groove 2 are internally provided with fixing piece 3, the inside of mounting groove 2 and are equipped with rubber seal positioned at the top of fixing piece 3
The top of ring 4, fixing piece 3 is fixedly connected with pressure sensor component 5, and the opposite face of two fixing pieces 2 has been fixedly connected with company
Extension bar 17, the top of connecting rod 17, which extends to the top of rubber seal ring 4 and fixed with the bottom of pressure sensor component 5, to be connected
It connects, pressure sensor component 5 can be kept to be in suspended state, reduce stress, ensure precision, the bottom of pressure sensor component 5
Portion is fixedly connected with push rod 6, opens up fluted 23 at the bottom surface of mounting groove 2 and corresponding push rod 6, and the bottom end of push rod 6 extends to recessed
The inside of slot 23 is simultaneously clamped by clamping structure 8 and groove 23, and clamping structure 8 includes the elasticity for being opened in 6 two bottom sides of push rod
Slot 19 and the card slot 7 for being opened in 23 two bottom sides of groove, the internal slide of elastic groove 19 are connected with piston 20, and piston 20 is far from bullet
Property 19 slot bottom of slot be fixedly connected with snap-gauge 21 on one side, snap-gauge 21 extends to the outside of elastic groove 19 and is clamped with card slot 7, structure
Simply, connection space is saved, sealing ring 9 is fixedly connected between mounting groove 2 and fixing piece 3, mounting groove 2 is close to two fixing pieces
The cell wall of 3 opposite sides offers the second locating slot 22, and sealing ring 9 is located at the inside of the second locating slot 22, convenient for connection sealing
Circle 9, the bottom surface of mounting groove 2 and the left and right sides for being located at push rod 6 have been fixedly connected with slip pipe 10, the internal slide connection of slip pipe 10
There is mandril 11, mandril 11 is oblique at the top of one end of push rod 6, two mandrils 11 of the promotion that push rod 6 can be simpler
It slides in the opposite direction, the top and bottom of mandril 11 has been fixedly connected with resetting spring 12, the top and bottom of mandril 11
It is fixedly connected with vertical plate 18, vertical plate 18 is fixedly connected with resetting spring 12 close to slip pipe 10, keeps mandril 11 on one side
It is steady, avoid run-off the straight when sliding of mandril 11, resetting spring 12 from being fixed close to one end of slip pipe 10 and slip pipe 10
Connection, the one end of mandril 11 far from push rod 6 are fixedly connected with the arc panel 13 contacted with rubber seal ring 4, pressure sensor member
The top of part 5 and it is fixedly connected with gasket 14 positioned at the inside of mounting groove 2, the left and right sides at 14 top of gasket offers pair
The inside of the first locating slot 15 claimed, the first locating slot 15 is plugged with locating rod 16, and the top of locating rod 16 extends to first and determines
The outside of position slot 15 is simultaneously hinged with the top of shell 1.
In the present invention, first rubber seal ring 4 is placed between fixing piece 3 and pressure sensor component 5, pressure sensor
For inductive signal and output signal, the pressure sensor component 5 for being fixedly connected with fixing piece 3 is placed on shell 1 and opens element 5
If mounting groove 2 in, the push rod 6 of 5 bottom of pressure sensor component is inserted into groove 23, and the snap-gauge 21 in clamping structure 8 presses
Piston 20 slides into elastic groove 19, when the bottom piston 20 that push rod 6 is inserted into groove 23 pushes snap-gauge 21 to skid off elastic groove 19 and make to push away
Bar 6 is clamped with card slot 7, simple in structure, saves connection space, and push rod 6 pushes two mandrils 11 in slip pipe 10 during declining
It inside slides in the direction away from each other, mandril 11 drives resetting spring 12 to elongate, and the mobile drive arc panel 13 of mandril 11 is to rubber
It the direction of glue sealing ring 4 moving so that rubber seal ring 4 contacts even closer with the cell wall of mounting groove 2, and sealing effect is more preferable,
Sensor is greatly reduced with media contact area in the structure, the pressing force smaller that when assembly needs, sensor when assembly is completed
It does not stress longitudinally, sensing element 5 is not contacted with shell 1, and pressure sensor component 5 is in suspended state, without prestressing force, is surveyed
Accuracy of measurement and stability greatly improve, meanwhile, encapsulation volume reduces, and cost also reduces, and the effect of sealing is also more preferable.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of endoporus sealing structure of pressure sensor, including shell (1), which is characterized in that opened at the top of the shell (1)
Equipped with mounting groove (2), the mounting groove (2) is internally provided with fixing piece (3), the inside of the mounting groove (2) and positioned at solid
The top for determining part (3) is equipped with rubber seal ring (4), and pressure sensor component is fixedly connected at the top of the fixing piece (3)
(5), the bottom of the pressure sensor component (5) is fixedly connected with push rod (6), the bottom surface of the mounting groove (2) and correspondence pushes away
It is opened up at bar (6) fluted (23), the bottom end of the push rod (6) extends to the inside of groove (23) and by clamping structure (8)
It is clamped with groove (23), sealing ring (9), the mounting groove (2) is fixedly connected between the mounting groove (2) and fixing piece (3)
Bottom surface and slip pipe (10) has been fixedly connected at left and right sides of the push rod (6), the internal slide connection of the slip pipe (10)
There are mandril (11), the top and bottom of the mandril (11) to be fixedly connected with resetting spring (12), the resetting spring (12)
It is fixedly connected with slip pipe (10) close to one end of slip pipe (10), the one end of the mandril (11) far from push rod (6) is fixedly connected with
The arc panel (13) contacted with rubber seal ring (4), the top of the pressure sensor component (5) and positioned at mounting groove (2)
Inside is fixedly connected with gasket (14), and the left and right sides at the top of the gasket (14) offers symmetrical first locating slot
(15), the inside of first locating slot (15) is plugged with locating rod (16), and the top of the locating rod (16) extends to first
The outside of locating slot (15) is simultaneously hinged with the top of shell (1).
2. a kind of endoporus sealing structure of pressure sensor according to claim 1, which is characterized in that two fixations
The opposite face of part (2) has been fixedly connected with connecting rod (17), and the top of rubber seal ring (4) is extended at the top of connecting rod (17)
And it is fixedly connected with the bottom of pressure sensor component (5).
3. a kind of endoporus sealing structure of pressure sensor according to claim 1, which is characterized in that the mandril (11)
Top and bottom be fixedly connected with vertical plate (18), vertical plate (18) is fixedly connected with reset on one side close to slip pipe (10)
Spring (12).
4. a kind of endoporus sealing structure of pressure sensor according to claim 1, which is characterized in that the mandril (11)
It is oblique at the top of one end of push rod (6).
5. a kind of endoporus sealing structure of pressure sensor according to claim 1, which is characterized in that the clamping structure
(8) including being opened in the elastic groove (19) of push rod (6) two bottom sides and being opened in the card slot (7) of groove (23) two bottom sides, bullet
Property slot (19) internal slide be connected with piston (20), piston (20) is fixedly connected with card on one side far from elastic groove (19) slot bottom
Plate (21), snap-gauge (21) extend to the outside of elastic groove (19) and are clamped with card slot (7).
6. a kind of endoporus sealing structure of pressure sensor according to claim 1, which is characterized in that the mounting groove
(2) the second locating slot (22) is offered close to the cell wall of two fixing piece (3) opposite sides, sealing ring (9) is located at the second positioning
The inside of slot (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810639155.8A CN108663159B (en) | 2018-06-20 | 2018-06-20 | Inner hole sealing structure of pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810639155.8A CN108663159B (en) | 2018-06-20 | 2018-06-20 | Inner hole sealing structure of pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108663159A true CN108663159A (en) | 2018-10-16 |
| CN108663159B CN108663159B (en) | 2020-04-17 |
Family
ID=63772186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810639155.8A Active CN108663159B (en) | 2018-06-20 | 2018-06-20 | Inner hole sealing structure of pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108663159B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947829A (en) * | 2020-08-13 | 2020-11-17 | 上海宝舶科技有限公司 | High-precision pressure and flow measurement and control instrument |
| CN112097817A (en) * | 2020-09-21 | 2020-12-18 | 蚌埠开恒电子有限公司 | Integrated sensor base |
| CN112762329A (en) * | 2021-01-19 | 2021-05-07 | 深圳市磐锋精密技术有限公司 | Pressure sensor sealing ring mounting structure and mounting method thereof |
| CN114622784A (en) * | 2022-04-02 | 2022-06-14 | 郑州鸿浩信息技术有限公司 | Intelligent lead sealing strip with electromagnetic interference resistance |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1876456A (en) * | 2005-06-11 | 2006-12-13 | 淄博龙达汽车配件制造有限公司 | Double pipe electrically-controlled trailer brake valve |
| CN201408119Y (en) * | 2009-04-28 | 2010-02-17 | 吉林省浩然正大科技有限责任公司 | Device for detecting curve combination property of automobile booster |
| CN204666306U (en) * | 2015-06-04 | 2015-09-23 | 黄河科技学院 | A kind of sensing chip protective device for differential pressure pickup |
| CN103616119B (en) * | 2013-11-29 | 2016-06-15 | 北京北机机电工业有限责任公司 | The fire extinguisher of pressure monitoring device and this pressure monitoring device of employing |
| JP2017138113A (en) * | 2016-02-01 | 2017-08-10 | 日本電産トーソク株式会社 | Oil pressure sensor module |
| CN207064793U (en) * | 2017-07-07 | 2018-03-02 | 星宇电子(宁波)有限公司 | A kind of electric Proportion valve |
-
2018
- 2018-06-20 CN CN201810639155.8A patent/CN108663159B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1876456A (en) * | 2005-06-11 | 2006-12-13 | 淄博龙达汽车配件制造有限公司 | Double pipe electrically-controlled trailer brake valve |
| CN201408119Y (en) * | 2009-04-28 | 2010-02-17 | 吉林省浩然正大科技有限责任公司 | Device for detecting curve combination property of automobile booster |
| CN103616119B (en) * | 2013-11-29 | 2016-06-15 | 北京北机机电工业有限责任公司 | The fire extinguisher of pressure monitoring device and this pressure monitoring device of employing |
| CN204666306U (en) * | 2015-06-04 | 2015-09-23 | 黄河科技学院 | A kind of sensing chip protective device for differential pressure pickup |
| JP2017138113A (en) * | 2016-02-01 | 2017-08-10 | 日本電産トーソク株式会社 | Oil pressure sensor module |
| CN207064793U (en) * | 2017-07-07 | 2018-03-02 | 星宇电子(宁波)有限公司 | A kind of electric Proportion valve |
Non-Patent Citations (1)
| Title |
|---|
| 纪夏夏: "高性能LTCC高温压力传感器的制备", 《传感器与微系统》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947829A (en) * | 2020-08-13 | 2020-11-17 | 上海宝舶科技有限公司 | High-precision pressure and flow measurement and control instrument |
| CN112097817A (en) * | 2020-09-21 | 2020-12-18 | 蚌埠开恒电子有限公司 | Integrated sensor base |
| CN112762329A (en) * | 2021-01-19 | 2021-05-07 | 深圳市磐锋精密技术有限公司 | Pressure sensor sealing ring mounting structure and mounting method thereof |
| CN112762329B (en) * | 2021-01-19 | 2022-06-24 | 深圳市磐锋精密技术有限公司 | Pressure sensor sealing ring mounting structure and mounting method thereof |
| CN114622784A (en) * | 2022-04-02 | 2022-06-14 | 郑州鸿浩信息技术有限公司 | Intelligent lead sealing strip with electromagnetic interference resistance |
| CN114622784B (en) * | 2022-04-02 | 2024-05-03 | 郑州鸿浩信息技术有限公司 | Intelligent lead seal with electromagnetic interference prevention function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108663159B (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108663159A (en) | A kind of endoporus sealing structure of pressure sensor | |
| CN101509817B (en) | Differential fluid pressure measurement apparatus | |
| CN100535623C (en) | Insulation type IC pressure sensing device | |
| CN207636232U (en) | A kind of strain-type differential pressure pickup | |
| CN106197912A (en) | Stiffness test device with auxiliary chamber air spring | |
| CN111141640A (en) | Lubricating grease similar viscosity measuring device | |
| CN105043335B (en) | A kind of nozzle ring aisle spare measuring instrument | |
| CN207763876U (en) | A kind of pressure difference signal device with novel measurement method and sealing structure | |
| CN111024007B (en) | Tactile sensor and manipulator | |
| CN210375521U (en) | Pressure transmitter detection device for automatic control system | |
| CN208606929U (en) | High-pressure micro-difference pressure sensor | |
| CN107764636A (en) | A kind of deformation measuring device and method of cuboid rock sample conventional triaxial compression test | |
| CN204128505U (en) | A kind of product elevation angle one pick-up unit | |
| CN208847376U (en) | Pressure sensor | |
| CN206862306U (en) | Detection device for spline shaft | |
| CN101520356A (en) | Pressure sensing device for insulated integrated circuit | |
| CN216523784U (en) | Double-channel linear measuring sensor | |
| CN110044520A (en) | The force snesor of pressure between measurement solid | |
| CN211856310U (en) | Friction coefficient test device for automobile gasket | |
| CN108151963B (en) | Bamboo joint tubular manometer check-up quick connecting device | |
| CN211042632U (en) | Air pressure detection mechanism and leakage detector | |
| CN203365046U (en) | All-welded differential pressure sensor | |
| CN206945860U (en) | A kind of connector positive force measurement jig | |
| CN206847935U (en) | Hydraulic motorcycle brake system rigidity test frock | |
| CN219223612U (en) | Shell shape deformation measuring jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |