CN203643060U - Novel pressure transmitter - Google Patents
Novel pressure transmitter Download PDFInfo
- Publication number
- CN203643060U CN203643060U CN201320895618.XU CN201320895618U CN203643060U CN 203643060 U CN203643060 U CN 203643060U CN 201320895618 U CN201320895618 U CN 201320895618U CN 203643060 U CN203643060 U CN 203643060U
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- CN
- China
- Prior art keywords
- circuit board
- movable sealing
- pressure
- pressure transducer
- sealing 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a novel pressure transmitter which comprises a housing, a pressure sensor and a circuit board. The inner wall of the housing is provided with a pressure sensor installing projection and a circuit board fixing projection. The circuit board is connected with the pressure sensor. The housing is internally provided with a movable sealing block and a buffering spring, the movable sealing block abuts against the pressure sensor, the sidewall of the movable sealing block matches the inner wall of the housing and is provided with a groove, a pressure spring and a sealing rubber ring are arranged in the groove, and the sealing rubber ring is arranged outside the pressure spring and abuts against the inner wall of the housing. The novel pressure transmitter is simple in structure and improves the sealing and anti-vibration performance; the sidewall of the movable sealing block is provided with the groove, and the pressure spring and the sealing rubber ring are arranged in the groove, so that excellent sealing is maintained between the movable sealing block and the inner wall of the housing; and thus, it is ensured that the circuit board is normally used and not easy to damage, the service life is improved, and the using stability is high.
Description
Technical field
The utility model belongs to pressure unit technical field, is specifically related to a kind of novel pressure transmitter.
Background technology
Pressure unit is a kind of conventional instrument that pressure signal is converted to output electrical signals, the pressure unit of prior art is generally made up of housing, pressure transducer and packoff, its structure is comparatively complicated, and its packoff is mainly made up of O-ring seal, baffle plate and dividing plate, its sealing effectiveness is also poor, easily damage the electronic circuit in inner housing, and the antivibration effect of the pressure unit of prior art is also poor, is difficult to meet the needs in market.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, stability in use good and vibration resistance is strong novel pressure transmitter.
The technical scheme that realizes the utility model object is a kind of novel pressure transmitter, comprise shell, be arranged on pressure transducer and circuit board in described shell, on described outer casing inner wall, be provided with pressure transducer projection and circuit board fixed lobe are installed, described pressure transducer is arranged on described pressure transducer and installs in projection, described circuit board is arranged on described circuit board fixed lobe, described circuit board is connected with described pressure transducer, in described shell, be also provided with movable sealing piece and buffer spring, described movable sealing piece connects with described pressure transducer and the sidewall of movable sealing piece matches with outer casing inner wall, described buffer spring is arranged between described movable sealing piece and circuit board, on the sidewall of described movable sealing piece, be provided with groove, in described groove, be provided with pressure spring and sealing rubber ring, described sealing rubber ring is arranged on the outside of pressure spring and connects with outer casing inner wall.
Be provided with the cylindrical tube of hollow at described movable sealing Kuai center, the wire of pressure transducer is connected with circuit board through cylindrical tube, outside, end in described cylindrical tube is provided with sealant, the center of described pressure transducer is provided with shrinkage pool, described cylindrical tube is inserted described shrinkage pool setting, and described sealant is arranged between described cylindrical tube and the shrinkage pool of pressure transducer.
In described shell, be also provided with spacing preiection, described spacing preiection is arranged between movable sealing piece and described circuit board.
On described spacing preiection, be provided with cushion, described cushion matches with described movable sealing piece.
Described shell is provided with pressure guide hole, and described pressure guide hole is connected with described pressure transducer.
The utlity model has positive effect: of the present utility model simple in structure, in housing, be provided with movable sealing piece and buffer spring, sealing property and resistance to shock are improved to a certain extent, and on the sidewall of movable sealing piece, be provided with groove, in groove, be provided with pressure spring and sealing rubber ring, make movable sealing piece keep good sealing property with outer casing inner wall all the time, guarantee the normal use of circuit board, not fragile, effectively raise serviceable life, stability in use is good.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is structural representation of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model.
See Fig. 1, a kind of novel pressure transmitter, comprise shell 1, be arranged on pressure transducer 2 and circuit board 3 in described shell 1, on described shell 1 inwall, be provided with pressure transducer projection 4 and circuit board fixed lobe 5 are installed, described pressure transducer 2 is arranged on described pressure transducer and installs in projection 4, described circuit board 3 is arranged on described circuit board fixed lobe 5, described circuit board 3 is connected with described pressure transducer 2, in described shell 1, be also provided with movable sealing piece 6 and buffer spring 7, described movable sealing piece 6 connects with described pressure transducer 2 and the sidewall of movable sealing piece 6 matches with shell 1 inwall, described buffer spring 7 is arranged between described movable sealing piece 6 and circuit board 3, on the sidewall of described movable sealing piece 6, be provided with groove 8, in described groove 8, be provided with pressure spring 9 and sealing rubber ring 10, described sealing rubber ring 10 is arranged on the outside of pressure spring 9 and connects with shell 1 inwall.
Be provided with the cylindrical tube 11 of hollow at the center of described movable sealing piece 6, the wire 12 of pressure transducer 2 is connected with circuit board 3 through cylindrical tube 11, outside, end in described cylindrical tube 11 is provided with sealant 13, the center of described pressure transducer 2 is provided with shrinkage pool 14, described cylindrical tube 11 is inserted described shrinkage pool 14 and is arranged, and described sealant 13 is arranged between described cylindrical tube 11 and the shrinkage pool 14 of pressure transducer.
In described shell 1, be also provided with spacing preiection 15, described spacing preiection 15 is arranged between movable sealing piece 6 and described circuit board 3.
On described spacing preiection 15, be provided with cushion 16, described cushion 16 matches with described movable sealing piece 6.
Described shell 1 is provided with pressure guide hole 17, and described pressure guide hole 17 is connected with described pressure transducer 2.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And these belong to apparent variation or the variation that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (5)
1. a novel pressure transmitter, comprise shell, be arranged on pressure transducer and circuit board in described shell, on described outer casing inner wall, be provided with pressure transducer projection and circuit board fixed lobe are installed, described pressure transducer is arranged on described pressure transducer and installs in projection, described circuit board is arranged on described circuit board fixed lobe, described circuit board is connected with described pressure transducer, it is characterized in that: in described shell, be also provided with movable sealing piece and buffer spring, described movable sealing piece connects with described pressure transducer and the sidewall of movable sealing piece matches with outer casing inner wall, described buffer spring is arranged between described movable sealing piece and circuit board, on the sidewall of described movable sealing piece, be provided with groove, in described groove, be provided with pressure spring and sealing rubber ring, described sealing rubber ring is arranged on the outside of pressure spring and connects with outer casing inner wall.
2. novel pressure transmitter according to claim 1, it is characterized in that: the cylindrical tube that is provided with hollow at described movable sealing Kuai center, the wire of pressure transducer is connected with circuit board through cylindrical tube, outside, end in described cylindrical tube is provided with sealant, the center of described pressure transducer is provided with shrinkage pool, described cylindrical tube is inserted described shrinkage pool setting, and described sealant is arranged between described cylindrical tube and the shrinkage pool of pressure transducer.
3. novel pressure transmitter according to claim 2, is characterized in that: in described shell, be also provided with spacing preiection, described spacing preiection is arranged between movable sealing piece and described circuit board.
4. novel pressure transmitter according to claim 3, is characterized in that: on described spacing preiection, be provided with cushion, described cushion matches with described movable sealing piece.
5. novel pressure transmitter according to claim 4, is characterized in that: described shell is provided with pressure guide hole, described pressure guide hole is connected with described pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895618.XU CN203643060U (en) | 2013-12-29 | 2013-12-29 | Novel pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895618.XU CN203643060U (en) | 2013-12-29 | 2013-12-29 | Novel pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643060U true CN203643060U (en) | 2014-06-11 |
Family
ID=50874295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320895618.XU Expired - Fee Related CN203643060U (en) | 2013-12-29 | 2013-12-29 | Novel pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203643060U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767945A (en) * | 2017-01-10 | 2017-05-31 | 瑞安市科丰电子科技有限公司 | Automobile crane position sensor |
| CN109387322A (en) * | 2017-08-08 | 2019-02-26 | 罗伯特·博世有限公司 | Pressure sensor and method for manufacturing pressure sensor |
| CN114607867A (en) * | 2022-05-12 | 2022-06-10 | 东营佰旺商贸有限公司 | Oil field has pressure transmitter that has pressure buffer function |
-
2013
- 2013-12-29 CN CN201320895618.XU patent/CN203643060U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767945A (en) * | 2017-01-10 | 2017-05-31 | 瑞安市科丰电子科技有限公司 | Automobile crane position sensor |
| CN109387322A (en) * | 2017-08-08 | 2019-02-26 | 罗伯特·博世有限公司 | Pressure sensor and method for manufacturing pressure sensor |
| CN114607867A (en) * | 2022-05-12 | 2022-06-10 | 东营佰旺商贸有限公司 | Oil field has pressure transmitter that has pressure buffer function |
| CN114607867B (en) * | 2022-05-12 | 2022-07-15 | 东营佰旺商贸有限公司 | Pressure transmitter with pressure buffering function for oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141229 |
|
| EXPY | Termination of patent right or utility model |