CN220380655U - Oil-filled core body with pressure protection function - Google Patents
Oil-filled core body with pressure protection function Download PDFInfo
- Publication number
- CN220380655U CN220380655U CN202322024091.XU CN202322024091U CN220380655U CN 220380655 U CN220380655 U CN 220380655U CN 202322024091 U CN202322024091 U CN 202322024091U CN 220380655 U CN220380655 U CN 220380655U
- Authority
- CN
- China
- Prior art keywords
- core
- fixing
- circuit board
- pressure
- piece
- 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
- 239000011258 core-shell material Substances 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims description 13
- 238000012856 packing Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses an oil-filled core with pressure protection, which comprises a core body and a fixing mechanism, wherein the core body is provided with a plurality of grooves; the core body comprises a core shell, a circuit board piece detachably arranged in the core shell and a pressure sensor detachably arranged at the upper end of the circuit board piece, and an external wiring communicated with the circuit board piece is detachably arranged at the outer side of the core shell; the fixing mechanism comprises a first fixing piece vertically fixed at the upper end of the circuit board piece, a second fixing piece arranged outside the first fixing piece and a fixing seat arranged outside the pressure sensor. According to the oil filling core with pressure protection, through the arranged core body and the fixing mechanism, the first fixing piece, the second fixing piece and the fixing seat are matched for use, so that the pressure sensor can be fixedly protected, the pressure sensor can be effectively protected through the arranged compression ring and the pressure sensing device, and the pressure sensing device and the fixing seat can be flexibly connected through the arranged circular gasket.
Description
Technical Field
The utility model relates to the technical field of cores, in particular to an oil-filled core with pressure protection.
Background
The pressure transmitter is the most commonly used sensor in industrial practice, is widely applied to various industrial automatic control, and relates to various industries such as aerospace, military national defense, automobile electronics, petroleum power, railway traffic, ship shipping, industrial manufacturing and the like.
The oil filling core body generally comprises a pressure sensing element for sensing pressure and converting a pressure signal into an electric signal, a signal processing chip for amplifying the electric signal and compensating temperature and linearity, silicone oil, a membrane and a shell.
The existing oil filling core has certain defects when in use, and the pressure sensor is usually directly fixed in the oil filling core when in use, so that when the pressure outside the core exceeds the chip breaking pressure, the chip is also damaged by overpressure, thereby causing economic loss, and therefore, the oil filling core with pressure protection is required.
To this end we propose an oil filled core with pressure protection.
Disclosure of Invention
The utility model mainly aims to provide an oil-filled core body with pressure protection, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an oil-filled core with pressure protection comprises a core body and a fixing mechanism; the fixing mechanism is arranged in the core body; the core body comprises a core shell, a circuit board piece detachably arranged in the core shell and a pressure sensor detachably arranged at the upper end of the circuit board piece, and an external wiring communicated with the circuit board piece is detachably arranged at the outer side of the core shell; the fixing mechanism comprises a first fixing piece vertically fixed at the upper end of the circuit board piece, a second fixing piece arranged outside the first fixing piece and a fixing seat arranged outside the pressure sensor, and a protection groove attached to the pressure sensor is formed in the fixing seat.
Preferably, the cross section of the pressure sensor is in a circular structure, and the fixing seat is in a circular ring structure.
Preferably, the core body is provided with a pressure ring, the core shell is internally provided with a pressure sensing device which is connected with the bottom end of the pressure ring in a fit mode, and the bottom end of the pressure sensing device is connected with the pressure sensor.
Preferably, the top end surface of the circuit board is fixed with a plurality of assembly welding pieces, and the bottom end surface of the circuit board is welded and fixed with the circuit board through the welding pieces.
Preferably, the welding pieces are fixed on the top end surface of the circuit board in a circular array, and the welding pieces are arranged on the inner side of the first fixing piece.
Preferably, the second fixing piece is vertically fixed at the upper end of the circuit board, the first fixing piece and the second fixing piece are both arranged to be of a circular ring structure, and the height dimension of the first fixing piece is larger than that of the second fixing piece.
Preferably, the bottom end surface of the fixing seat is provided with a first fixing groove corresponding to the first fixing piece, the bottom end surface of the fixing seat is provided with a second fixing groove connected with the second fixing piece, and the second fixing groove is arranged on the outer side of the first fixing groove.
Preferably, the top of fixing base is provided with the circular packing ring of being connected with the pressure sensing device bottom, the sealing washer of being connected with the clamping ring laminating is installed to the inboard top surface of core shell, the external connection spare with circuit board spare intercommunication is installed to the inner wall of core shell, one side of external connection spare and the one end fixed connection of external connection line.
Compared with the prior art, the utility model has the following beneficial effects:
through core main part and fixed establishment that sets up, first mounting, second mounting and fixing base cooperation are used, can fix the protection to pressure sensor, can carry out effective protection to pressure sensor through clamping ring and the pressure sensing device that sets up, can make flexonics between pressure sensing device and the fixing base through the circular packing ring that sets up, have made things convenient for people's use, convenient operation has increased the suitability of filling oil core.
Drawings
Fig. 1 is an overall block diagram of an oil-filled core with pressure protection according to the present utility model.
Fig. 2 is a partial block diagram of a core body and a fixing mechanism in an oil-filled core with pressure protection according to the present utility model.
Fig. 3 is a partial block diagram of a circuit board member in an oil filled core with pressure protection according to the present utility model.
Fig. 4 is a partial block diagram of a fixing base in an oil-filled core with pressure protection according to the present utility model.
In the figure: 1. a core body; 2. a core shell; 3. a circuit board member; 4. a pressure sensor; 5. an external wiring; 6. a first fixing member; 7. a second fixing member; 8. a fixing seat; 9. a compression ring; 10. a pressure sensing device; 11. welding the tab; 12. a first fixing groove; 13. a second fixing groove; 14. a circular washer; 15. a seal ring; 16. an external connection piece.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. In addition, for convenience of description hereinafter, references to "upper", "lower", "left", "right" are equivalent to the directions of upper, lower, left, right, etc. of the drawings themselves, and the references to "first", "second", etc. are to be distinguished in description, and have no other special meaning
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Example 1
Referring to fig. 1-4, an oil-filled core with pressure protection comprises a core body 1 and a fixing mechanism; the fixing mechanism is arranged inside the core body 1; the core body 1 comprises a core shell 2, a circuit board 3 detachably arranged in the core shell 2 and a pressure sensor 4 detachably arranged at the upper end of the circuit board 3, wherein an external line 5 communicated with the circuit board 3 is detachably arranged at the outer side of the core shell 2; the fixing mechanism comprises a first fixing piece 6 vertically fixed at the upper end of the circuit board piece 3, a second fixing piece 7 arranged outside the first fixing piece 6 and a fixing seat 8 arranged outside the pressure sensor 4, wherein a protection groove attached to the pressure sensor 4 is formed in the fixing seat 8.
The cross section of the pressure sensor 4 is in a circular structure, and the fixing seat 8 is in a circular ring structure.
The pressure sensing device is characterized in that a pressure ring 9 is arranged on the core body 1, a pressure sensing device 10 which is connected with the bottom end of the pressure ring 9 in a fitting mode is arranged in the core shell 2, and the bottom end of the pressure sensing device 10 is connected with the pressure sensor 4.
The top end face of the circuit board 3 is fixed with a plurality of assembly welding pieces 11, and the bottom end face of the circuit board 3 is welded and fixed with the circuit board 3 through the welding pieces 11.
The plurality of groups of welding pieces 11 are all fixed on the top end face of the circuit board piece 3 in a circular array, and the welding pieces 11 are arranged on the inner side of the first fixing piece 6.
The second fixing piece 7 is vertically fixed at the upper end of the circuit board 3, the first fixing piece 6 and the second fixing piece 7 are both arranged into a circular ring structure, and the height dimension of the first fixing piece 6 is larger than that of the second fixing piece 7.
The bottom surface of fixing base 8 has seted up the first fixed slot 12 corresponding with first mounting 6, the bottom surface of fixing base 8 has seted up the second fixed slot 13 that is connected with second mounting 7, and second fixed slot 13 sets up in the outside of first fixed slot 12.
The top of fixing base 8 is provided with the circular packing ring 14 that is connected with pressure sensing device 10 bottom, and sealing washer 15 that is connected with clamping ring 9 laminating is installed to the inboard top surface of core shell 2, and external connection piece 16 with circuit board 3 intercommunication is installed to the inner wall of core shell 2, one side of external connection piece 16 and the one end fixed connection of external connection 5.
It should be noted that the present utility model is an oil-filled core with pressure protection, and when in use:
the core body 1 and the fixing mechanism are adjusted, the first fixing piece 6 is fixed into the first fixing groove 12, the second fixing piece 7 is fixed into the second fixing groove 13, so that the first fixing piece 6 and the second fixing piece 7 are respectively fixed on the fixing seat 8, the fixing seat 8 is arranged on the outer side of the pressure sensor 4, the circular gasket 14 is arranged on the outer side of the pressure sensor 4, and the pressure sensing device 10 is respectively connected with the pressure sensor 4 and the circular gasket 14.
Through core main part 1 and fixed establishment that set up, first mounting 6, second mounting 7 and fixing base 8 cooperation are used, can fix the protection to pressure sensor 4, can effectively protect pressure sensor 4 through clamping ring 9 and the pressure sensing device 10 that set up, can make flexonics between pressure sensing device 10 and the fixing base 8 through the circular packing ring 14 that sets up, have made things convenient for people's use, convenient operation has increased the suitability of filling the oil core.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. An oil filled core with pressure protection, comprising:
a core body (1);
a fixing mechanism which is arranged inside the core body (1);
the core body (1) comprises a core shell (2), a circuit board (3) detachably arranged in the core shell (2) and a pressure sensor (4) detachably arranged at the upper end of the circuit board (3), and an external line (5) communicated with the circuit board (3) is detachably arranged at the outer side of the core shell (2);
the fixing mechanism comprises a first fixing piece (6) vertically fixed at the upper end of the circuit board piece (3), a second fixing piece (7) arranged outside the first fixing piece (6) and a fixing seat (8) arranged outside the pressure sensor (4), wherein a protection groove attached to the pressure sensor (4) is formed in the fixing seat (8).
2. An oil-filled core with pressure protection according to claim 1, characterized in that: the cross section of the pressure sensor (4) is of a circular structure, and the fixing seat (8) is of a circular ring structure.
3. An oil-filled core with pressure protection according to claim 2, characterized in that: the pressure sensing device is characterized in that a pressing ring (9) is arranged on the core body (1), a pressure sensing device (10) which is connected with the bottom end of the pressing ring (9) in a fitting mode is arranged in the core shell (2), and the bottom end of the pressure sensing device (10) is connected with the pressure sensor (4).
4. A pressure protected oil filled core according to claim 3, wherein: the top end face of the circuit board piece (3) is fixed with a plurality of assembly welding pieces (11), and the bottom end face of the circuit board piece (3) is welded and fixed with the circuit board piece (3) through the welding pieces (11).
5. An oil-filled core with pressure protection according to claim 4, wherein: the welding pieces (11) are fixed on the top end face of the circuit board (3) in a circular array, and the welding pieces (11) are arranged on the inner side of the first fixing piece (6).
6. An oil-filled core with pressure protection according to claim 5, wherein: the second fixing piece (7) is vertically fixed at the upper end of the circuit board (3), the first fixing piece (6) and the second fixing piece (7) are both arranged to be of circular ring structures, and the height dimension of the first fixing piece (6) is larger than that of the second fixing piece (7).
7. An oil-filled core with pressure protection according to claim 6, wherein: the bottom end face of fixing base (8) has seted up first fixed slot (12) corresponding with first mounting (6), the bottom end face of fixing base (8) has seted up second fixed slot (13) that are connected with second mounting (7), second fixed slot (13) set up in the outside of first fixed slot (12).
8. An oil-filled core with pressure protection according to claim 7, wherein: the top of fixing base (8) is provided with circular packing ring (14) of being connected with pressure sensing device (10) bottom, sealing washer (15) that are connected with clamping ring (9) laminating are installed to the inboard top surface of core shell (2), external connection spare (16) with circuit board spare (3) intercommunication are installed to the inner wall of core shell (2), one side of external connection spare (16) and the one end fixed connection of external connection line (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322024091.XU CN220380655U (en) | 2023-07-27 | 2023-07-27 | Oil-filled core body with pressure protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322024091.XU CN220380655U (en) | 2023-07-27 | 2023-07-27 | Oil-filled core body with pressure protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220380655U true CN220380655U (en) | 2024-01-23 |
Family
ID=89570969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322024091.XU Active CN220380655U (en) | 2023-07-27 | 2023-07-27 | Oil-filled core body with pressure protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220380655U (en) |
-
2023
- 2023-07-27 CN CN202322024091.XU patent/CN220380655U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220380655U (en) | Oil-filled core body with pressure protection function | |
| CN105157907A (en) | Differential pressure sensor with overload protecting function | |
| CN205940851U (en) | Be used for detecting hydraulic pressure sensor | |
| CN204679206U (en) | A kind of jamproof pressure unit | |
| WO2021018723A1 (en) | Sensor | |
| CN101979977A (en) | Pressure sensor | |
| CN217819159U (en) | Monocrystalline silicon differential pressure sensor | |
| CN213658145U (en) | Diffused silicon pressure sensor | |
| CN213183886U (en) | Power transformer capable of preventing oil leakage | |
| CN215262205U (en) | PTFE (polytetrafluoroethylene) spraying and oil filling pressure sensor | |
| CN210630071U (en) | Sealing structure of automobile nitrogen-oxygen sensor | |
| CN203103514U (en) | Connection structure of sensor cable connector | |
| CN212340318U (en) | Integrative intelligent sensor is pressed to temperature | |
| CN216922254U (en) | Engine oil pressure detection device, engine and automobile | |
| CN205661396U (en) | Packaging structure of casing | |
| CN214502746U (en) | Pressure sensor | |
| CN218002758U (en) | Oil-filled diffused silicon piezoresistive pressure sensor based on PCB welding seal | |
| CN218098134U (en) | Wireless transmission spray tail end pressure sensor | |
| CN213985359U (en) | Structure of vibration sensing equipment | |
| CN210719139U (en) | Static level gauge with suspended pressure sensor | |
| CN210605513U (en) | Multifunctional stroke limiter shell waterproof structure | |
| CN212082514U (en) | Oil level monitoring device and anti-corrosion structure thereof | |
| CN211291852U (en) | Pressure sensor | |
| CN215815863U (en) | Sensor module structure of integrated lead frame and transmission | |
| CN214534146U (en) | Sealing cover for exhaust port of hydraulic clutch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |