CN217384552U - High-sealing corrosion-resistant pressure sensor - Google Patents
High-sealing corrosion-resistant pressure sensor Download PDFInfo
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- CN217384552U CN217384552U CN202221264855.1U CN202221264855U CN217384552U CN 217384552 U CN217384552 U CN 217384552U CN 202221264855 U CN202221264855 U CN 202221264855U CN 217384552 U CN217384552 U CN 217384552U
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Abstract
The utility model discloses a high sealed anticorrosive pressure sensor, including the sensor body and with sensor body complex detection interface, the top fixedly connected with encapsulation piece of sensor body, the bottom fixed connection of sensor body and the connector that detects the interface spiro union, the junction of sensor body and detection interface is provided with sealing mechanism, sealing mechanism establishes the seal cover at the junction of sensor body and detection interface including the cover, two annular groove have been seted up to the seal cover inner wall, all be provided with in two annular groove and be used for sealed gasbag, the passageway that supplies two gasbags to link up is seted up to two seal cover inner walls, fixedly connected with carries out the gas filled interface of aerifing to two gasbags on the outline of seal cover, one side that the gas filled interface was kept away from to the seal cover outline is provided with the press button that is used for the gasbag gassing. The utility model discloses, possess sealed effectual, anticorrosive advantage has solved the problem of proposing in the background art.
Description
Technical Field
The utility model relates to a pressure sensor technical field, concretely relates to anticorrosive pressure sensor of high seal.
Background
The pressure sensor is a detection device which can sense the measured pressure information and convert the sensed pressure information into an electric signal or other required form of information output according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. It is composed of three parts of sensitive element, conversion element and process connecting piece.
At present, most of pressure sensors used in industry are fixedly connected with an equipment body through a threaded interface, and in the actual use process, because the threaded interface of the pressure sensor is in contact with corrosive media for a long time, the pressure sensor is easy to seal and is not tight, so that leakage is caused. Therefore, the improvement is made, and a pressure sensor with high sealing performance and corrosion resistance is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high sealed anticorrosive pressure sensor possesses sealed effectual, and anticorrosive advantage has solved the problem of proposing in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high sealed anticorrosive pressure sensor, includes the sensor body and with sensor body complex detection interface, its characterized in that: the sensor comprises a sensor body, a packaging block is fixedly connected to the top end of the sensor body, the bottom end of the sensor body is fixedly connected with a connector in threaded connection with a detection interface, a sealing mechanism is arranged at the joint of the sensor body and the detection interface and comprises a sealing sleeve sleeved at the joint of the sensor body and the detection interface, two annular grooves are formed in the inner wall of the sealing sleeve, two air bags used for sealing are arranged in the annular grooves, channels for the two air bags to run through are formed in the inner wall of the sealing sleeve, an inflation interface used for inflating the two air bags is fixedly connected to the outer contour of the sealing sleeve, and a pressing block used for air bag deflation is arranged on one side, away from the inflation interface, of the outer contour of the sealing sleeve.
Preferably, an annular groove is formed in the outer contour of the connector, a sealing ring used for sealing the connector and the detection interface is sleeved in the annular groove, and the sealing ring is made of polytetrafluoroethylene materials.
Preferably, a one-way valve for one-way air inlet is arranged in the inflation connector, the inflation connector is communicated with the channel, and the inflation connector is communicated with the two air bags through the channel.
The surface of the sealing sleeve is provided with an air release port communicated with the channel, the pressing block is in a round table shape, one end of the pressing block, which is located in the air release port, is fixedly connected with a second spring, and one end, far away from the second spring, of the pressing block is fixedly connected with the inner wall of the channel.
Preferably, the outer contour of the sensor body is fixedly connected with a first connecting plate, the outer contour of the seal sleeve is fixedly connected with a second connecting plate, the upper surface of the second connecting plate is fixedly connected with two symmetrically arranged movable rods, the surface of the first connecting plate is provided with two through holes for limiting and sliding the two movable rods, and a first spring is arranged between the first connecting plate and the movable rods.
Preferably, the first spring is provided with two springs, the two springs are sleeved on the outer contours of the two movable rods respectively, one end of the first spring is fixedly connected with the lower surface of the first connecting plate, the other end of the first spring is fixedly connected with the upper surface of the second connecting plate, and the outer contour of the sensor body is fixedly connected with a twisting block which is abutted to the sealing sleeve.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the air bags positioned in the two annular grooves on the inner wall of the sealing sleeve are expanded, and the two air bags are expanded and sealed at the joint of the sensor body and the detection interface, so that the sealing effect can be further improved, and the detection accuracy is improved;
2. the sealing ring is arranged for primary sealing treatment, and is made of polytetrafluoroethylene materials, so that the sealing ring has the advantages of corrosion resistance and ageing resistance;
3. through setting up the press block for the round platform form, press the great one end of press block cross-section diameter to be located the deflation port, press the inner wall of press block and deflation port under the effect of spring two and offset, manually press the press block, make and separate according to press block and deflation port inner wall and be convenient for, press the block through the gassing from outwards flowing out, be convenient for to deflate in the gasbag, loosen the sealed of gasbag to be convenient for dismantle the sensor body.
Drawings
Fig. 1 is a schematic perspective view of the first embodiment of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the present invention;
fig. 3 is a schematic three-dimensional structure diagram of the present invention;
fig. 4 is a schematic view of the structure of the present invention in partial section.
In the figure: 1. a sensor body; 2. a connector; 3. packaging the block; 4. a first connecting plate; 5. a movable rod; 6. a second connecting plate; 7. sealing sleeves; 8. an inflation interface; 9. a first spring; 10. screwing the block; 11. a pressing block; 12. an annular groove; 13. an air bag; 14. a channel; 15. a one-way valve; 16. a seal ring; 17. and a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a high sealed anticorrosive pressure sensor, including sensor body 1 and with sensor body 1 complex detection interface, sensor body 1's top fixedly connected with encapsulation piece 3, sensor body 1's bottom fixed connection and detection interface spiro union's connector 2, sensor body 1 is provided with sealing mechanism with the junction that detects the interface, sealing mechanism establishes the seal cover 7 at sensor body 1 and detection interface's junction including the cover, two annular groove 12 have been seted up to seal cover 7 inner wall, all be provided with in two annular groove 12 and be used for sealed gasbag 13, the passageway 14 that supplies two gasbags 13 to link up is seted up to two seal cover 7 inner walls, fixedly connected with carries out gas filled interface 8 to two gasbags 13 on the outline of seal cover 7, one side that gas filled interface 8 was kept away from to the outline of seal cover 7 is provided with the pressure piece 11 that is used for gasbag 13 to bleed.
Through rotating sensor body 1, carry out the spiro union with the connector 2 and the detection interface of the bottom of sensor body 1, establish the junction at sensor body 1 and detection interface when seal cover 7 cover, aerify interface 8 on the outline of seal cover 7, make the gasbag 13 that is located two annular groove 12 of seal cover 7 inner wall expand, expand and seal with being close to sensor body 1 and detection interface junction through two gasbags 13, can further improve sealed effect, improve the precision that detects.
An annular groove is formed in the outer contour of the connector 2, a sealing ring 16 used for sealing the connector 2 and the detection interface is sleeved in the annular groove, and the sealing ring 16 is made of polytetrafluoroethylene materials.
Preliminary sealing treatment is carried out through setting up sealing ring 16, makes for polytetrafluoroethylene material through setting up sealing ring 16, has anticorrosive, the advantage of ageing resistance.
A one-way valve 15 for one-way air inlet is arranged in the inflation connector 8, the inflation connector 8 is communicated with the channel 14, and the inflation connector 8 is communicated with the two air bags 13 through the channel 14.
The one-way valve 15 is arranged to perform one-way air inlet to inflate the channel 14, so that air can enter the channel 14 through the inflation connector 8 in a one-way mode.
The surface of the sealing sleeve 7 is provided with an air release port through which the channel 14 runs, the pressing block 11 is in a circular truncated cone shape, one end of the pressing block 11, which is positioned in the air release port, is fixedly connected with a second spring 17, and one end of the pressing block 11, which is far away from the second spring 17, is fixedly connected with the inner wall of the channel 14.
Through setting up the pressing block 11 and being the round platform form, the great one end of pressing block 11 cross-sectional diameter is located the relief port, presses the inner wall of pressing block 11 and relief port to offset under the effect of spring two 17, and manual pressing presses the pressing block 11, makes pressing block 11 and relief port inner wall separate to be convenient for, presses the pressing block 11 to flow outward through the gassing.
The outer contour of the sensor body 1 is fixedly connected with a first connecting plate 4, the outer contour of the sealing sleeve 7 is fixedly connected with a second connecting plate 6, the upper surface of the second connecting plate 6 is fixedly connected with two movable rods 5 which are symmetrically arranged, two through holes for limiting and sliding the two movable rods 5 are formed in the surface of the first connecting plate 4, and a first spring 9 is arranged between the first connecting plate 4 and the movable rods 5.
Through setting up spring one 9, through spring one 9 pulling connecting plate two 6, carry out spacing slip in the through-hole that 4 surfaces were seted up through two movable rods 5 at connecting plate one, carry on spacingly to the movement track of seal cover 7, through connecting plate two 6 and seal cover 7 fixed connection, be convenient for stimulate connecting plate two 6 and prevent that seal cover 7 is because of the sealed effect of gravity influence.
The two springs I9 are arranged, the two springs I9 are sleeved on the outer contours of the two movable rods 5 respectively, one end of each spring I9 is fixedly connected with the lower surface of the corresponding connecting plate I4, the other end of each spring I9 is fixedly connected with the upper surface of the corresponding connecting plate II 6, and the outer contour of the sensor body 1 is fixedly connected with a twisting block 10 which is abutted to the sealing sleeve 7.
The connecting plate II 6 is pulled under the action of the two springs I9, so that the two movable rods 5 on the connecting plate II 6 slide in the through holes formed in the connecting plate I4, and the sealing sleeve 7 is pulled to be attached to the screwing block 10.
The working principle is as follows: this anticorrosive pressure sensor of high seal, through rotating sensor body 1, carry out the spiro union with the connector 2 and the detection interface of the bottom of sensor body 1, through setting up spring one 9, move connecting plate two 6 under the effect of two springs one 9, make two movable rods 5 on connecting plate two 6 slide in the through-hole of seting up on connecting plate one 4, pulling connecting plate two 6, make seal cover 7 and twist and move piece 10 and laminate mutually, be convenient for carry on spacingly to the position of seal cover 7, can make seal cover 7 cover establish on the outline of sensor body 1 and detection interface connection department, sensor body 1 and detection interface connection department are located between two gasbags 13 of seal cover 7 simultaneously.
Then inflate interface 8 on 7 outline of seal cover, make the gasbag 13 that is located two annular grooves 12 of seal cover 7 inner wall expand, through two gasbags 13 inflation and with be close to sensor body 1 and detect the interface connection department and seal, can further improve sealed effect, improve the precision that detects.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high sealed anticorrosive pressure sensor, includes sensor body (1) and with sensor body (1) complex detection interface, its characterized in that: the top end of the sensor body (1) is fixedly connected with a packaging block (3), the bottom end of the sensor body (1) is fixedly connected with a connector (2) which is in threaded connection with a detection interface, a sealing mechanism is arranged at the joint of the sensor body (1) and the detection interface, the sealing mechanism comprises a sealing sleeve (7) sleeved at the joint of the sensor body (1) and the detection interface, two annular grooves (12) are formed in the inner wall of each sealing sleeve (7), air bags (13) for sealing are arranged in the two annular grooves (12), a channel (14) for the two air bags (13) to run through is formed in the inner walls of the two sealing sleeves (7), the outer contour of the sealing sleeve (7) is fixedly connected with an inflation interface (8) for inflating the two air bags (13), and a pressing block (11) for air discharge of the air bag (13) is arranged on one side of the outer contour of the sealing sleeve (7) far away from the inflation interface (8).
2. A highly sealed corrosion resistant pressure sensor according to claim 1, wherein: the ring channel has been seted up on the outline of connector (2), the ring channel endotheca is equipped with and is used for connector (2) and detection interface to carry out sealed sealing ring (16), sealing ring (16) are made for the polytetrafluoroethylene material.
3. A highly sealed corrosion resistant pressure sensor as claimed in claim 1, wherein: be provided with in the interface of aerifing (8) and be used for one-way check valve (15) that admit air, interface of aerifing (8) and passageway (14) through connection, interface of aerifing (8) are through connection with two gasbag (13) through connection through passageway (14).
4. A highly sealed corrosion resistant pressure sensor as claimed in claim 1, wherein: the surface of the sealing sleeve (7) is provided with an air release port communicated with the channel (14), the pressing block (11) is in a circular truncated cone shape, one end of the pressing block (11) in the air release port is fixedly connected with a second spring (17), and one end, far away from the second spring (17), of the pressing block (11) is fixedly connected with the inner wall of the channel (14).
5. A highly sealed corrosion resistant pressure sensor as claimed in claim 1, wherein: the sensor comprises a sensor body (1), and is characterized in that a first connecting plate (4) is fixedly connected to the outer contour of the sensor body (1), a second connecting plate (6) is fixedly connected to the outer contour of a sealing sleeve (7), two movable rods (5) which are symmetrically arranged are fixedly connected to the upper surface of the second connecting plate (6), two through holes for limiting and sliding the two movable rods (5) are formed in the surface of the first connecting plate (4), and a first spring (9) is arranged between the first connecting plate (4) and the movable rods (5).
6. A highly sealed corrosion resistant pressure sensor as claimed in claim 5, wherein: the sensor comprises a sensor body (1) and is characterized in that two springs (9) are arranged, the springs (9) are sleeved on the outer contours of two movable rods (5), one ends of the springs (9) are fixedly connected with the lower surface of a connecting plate (4), the other ends of the springs (9) are fixedly connected with the upper surface of a connecting plate (6), and screwing blocks (10) which are abutted to a sealing sleeve (7) are fixedly connected to the outer contour of the sensor body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221264855.1U CN217384552U (en) | 2022-05-25 | 2022-05-25 | High-sealing corrosion-resistant pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221264855.1U CN217384552U (en) | 2022-05-25 | 2022-05-25 | High-sealing corrosion-resistant pressure sensor |
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| Publication Number | Publication Date |
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| CN217384552U true CN217384552U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221264855.1U Active CN217384552U (en) | 2022-05-25 | 2022-05-25 | High-sealing corrosion-resistant pressure sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293153A (en) * | 2023-05-11 | 2023-06-23 | 山东中自仪测控技术有限公司 | Pipeline connection structure of pressure transmitter |
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2022
- 2022-05-25 CN CN202221264855.1U patent/CN217384552U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293153A (en) * | 2023-05-11 | 2023-06-23 | 山东中自仪测控技术有限公司 | Pipeline connection structure of pressure transmitter |
| CN116293153B (en) * | 2023-05-11 | 2023-07-18 | 山东中自仪测控技术有限公司 | Pipeline connection structure of pressure transmitter |
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