CN215573533U

CN215573533U - Pressure sensing device

Info

Publication number: CN215573533U
Application number: CN202121207607.9U
Authority: CN
Inventors: 冯俊雄; 张亚昆
Original assignee: Suzhou Aijie Boya Bioelectronics Technology Co ltd
Current assignee: Suzhou Aijie Boya Technology Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-01-18
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a pressure sensing device which comprises a pressure sensor, wherein a flange is fixedly connected to the bottom end of the pressure sensor, a second connecting port is arranged below the pressure sensor, the flange is arranged on the periphery of the outer side of the top of the second connecting port, a filter screen base is arranged between the two flanges, and a filter screen is arranged on the inner side of the filter screen base. According to the utility model, the filter screen base is placed between the two flanges, the two flanges and the filter screen base are fixed through the two bolts, the two nuts are screwed, the positioning pins are placed into the two corresponding nuts, the two nuts can be prevented from falling off, the L-shaped ends of the two first connecting rods are placed in the two second grooves and clamped tightly, the connecting rods sleeved on the second connecting ports can be clamped tightly to prevent falling off, and the two protective covers are arranged, so that the pressure sensing device can be protected from freezing, the damage is reduced, and the service life is prolonged.

Description

Pressure sensing device

Technical Field

The utility model relates to the field of pressure sensing devices, in particular to a pressure sensing device.

Background

The pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, relates to water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and other industries, and simply introduces the principles and the applications of some common sensors. In addition, a medical pressure sensor is arranged.

When the pressure sensor in the prior art is connected with other connecting pipes in the use, because under the effect of pressure, drop easily, there is impurity in the material that needs detected pressure, damage pressure sensor easily, and pressure sensor is outdoor simultaneously, freezes in winter easily, for this reason, needs a solution that can solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a pressure sensing device.

In order to achieve the purpose, the utility model adopts the following technical scheme: a pressure sensing device comprises a pressure sensor, wherein a flange is fixedly connected to the bottom end of the pressure sensor, a second connecting port is arranged below the pressure sensor, the flange is arranged on the periphery of the outer side of the top of the second connecting port, a filter screen base is arranged between the two flanges, and a filter screen is arranged on the inner side of the filter screen base;

the equal fixedly connected with second connecting rod in outside both sides of second connector, two the top of second connecting rod is rotated and is connected with the second pivot, the one end of second pivot is rotated and is connected with the head rod, two head rod one end fixedly connected with spring, two the other end of spring and the outside both sides homogeneous phase fixed connection of second connector, the outside of second connector is provided with the connecting pipe, the outside both sides of connecting pipe are provided with the second recess, and two head rods keep away from the other end that corresponds the spring and cooperate with the second recess that corresponds.

Furthermore, the two first connecting rods are both L-shaped far away from the end fixed with the corresponding spring, and one end of the two L-shaped ends and one end of the fixed spring are respectively positioned at two sides of the second connecting rod.

Further, one of them flange just is located one side top of first interface and is close to the fixedly connected with support column of edge, the both sides of support column are all rotated and are connected with first pivot, two the one end of first pivot is all rotated and is connected with the protection casing, two the equal fixedly connected with connecting plate of one end of support column, two are kept away from to the protection casing the inside of protection casing all is provided with the heating wire.

Further, one of them one side of protection casing is rotated and is connected with the third pivot, third pivot one side is rotated and is connected with the third connecting rod, and wherein the outside one end fixedly connected with fixed block of another protection casing, the outside of fixed block is provided with the location boss, the one end of third connecting rod is L shape, and with the inboard cooperation chucking of location boss.

Furthermore, first grooves are formed in two sides of the top of one of the flanges, the inner bottom wall of each first groove is connected with the filter screen base and the other flange through bolts, nuts are arranged at the bottom ends of the bolts, and the nuts are connected through positioning pins.

Furthermore, two rubber sheets are arranged between the flange and the filter screen base.

Further, the inner sides of the two protective covers are provided with heat insulation layers.

Furthermore, two the protection casing is located the both sides of first interface and is provided with the breach.

The utility model has the beneficial effects that:

when the pressure sensing device is used, the filter screen base is placed between the two flanges, the two flanges and the filter screen base are fixed through the two bolts, the two nuts are screwed, the positioning pins are placed into the two corresponding nuts, the two nuts can be prevented from falling off, the L-shaped ends of the two first connecting rods are placed in the two second grooves to be clamped, the connecting rods sleeved on the second connecting ports can be clamped tightly, the falling off can be prevented, and the two protective covers are arranged, so that the pressure sensing device can be protected from freezing, damage is reduced, and the service life is prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic top view of a portion of two shields of the present invention;

FIG. 4 is a schematic view of the connection of the two shields of the present invention in an open position;

FIG. 5 is a schematic view of the notched shield of FIG. 1 in accordance with the present invention;

fig. 6 is an enlarged view of B of fig. 3 according to the present invention.

Illustration of the drawings:

1. a pressure sensor; 2. a first connection port; 3. a protective cover; 4. a first groove; 5. a bolt; 6. a rubber sheet; 7. a filter screen base; 8. a flange; 9. a connecting pipe; 10. a first rotating shaft; 11. a support pillar; 12. an electric heating wire; 13. a thermal insulation layer; 14. a nut; 15. a second connection port; 16. a first connecting rod; 17. a second connecting rod; 18. a second rotating shaft; 19. a spring; 20. filtering with a screen; 21. positioning pins; 22. a third rotating shaft; 23. a third connecting rod; 24. positioning the boss; 25. a fixed block; 26. a connecting plate; 27. a second groove; 28. and (4) a notch.

Detailed Description

Fig. 1 to 6 show that, a pressure sensing device is related to, and includes a pressure sensor 1, a flange 8 is fixedly connected to the bottom end of the pressure sensor 1, a second connector 15 is arranged below the pressure sensor 1, a flange 8 is arranged on the periphery of the outer side of the top of the second connector 15, a filter screen base 7 is arranged between the two flanges 8, and a filter screen 20 is arranged on the inner side of the filter screen base 7;

the utility model discloses a spring connecting device, including second connector 15, first connecting rod 17, two first connecting rod 17, first connecting rod 16, two are connected with second pivot 18, the one end of second pivot 18 is rotated and is connected with first connecting rod 16, two first connecting rod 16 one end fixedly connected with spring 19, two the other end of spring 19 and the outside both sides homogeneous phase fixed connection of second connector 15, the outside of second connector 15 is provided with connecting pipe 9, the outside both sides of connecting pipe 9 are provided with second recess 27, and two first connecting rods 16 keep away from the other end that corresponds spring 19 and cooperate with the second recess 27 that corresponds.

When the pressure sensing device is used, firstly, the filter screen base 7 is placed between the two flanges 8, the two flanges 8 and the filter screen base 7 are fixed through the two bolts 5, the two nuts 14 are screwed, and the positioning pins 21 are placed in the two corresponding nuts 14, so that the two nuts 14 can be prevented from falling off;

the L-shaped ends of the two first connecting rods 16 are placed in the two second grooves 27 to be clamped, so that the connecting pipes 9 sleeved on the second connecting ports 15 can be tightly clamped to prevent falling;

two protection casings 3 are combined together, can protect the pressure sensing device frostproofing, reduce the damage, and increase of service life can open third connecting rod 23 when the maintenance is changed, convenient maintenance.

In a further scheme, the two ends of the first connecting rods 16, which are far away from the end fixed with the corresponding spring 19, are both L-shaped, and the two L-shaped ends and the end fixed with the spring 19 are respectively located at two sides of the second connecting rod 17 for fixing the connecting pipe 9.

In the further scheme, one of them flange 8 and the one side top that is located first connector 2 are close to edge fixedly connected with support column 11, the both sides of support column 11 are all rotated and are connected with first pivot 10, two the one end of first pivot 10 is all rotated and is connected with protection casing 3, two the equal fixedly connected with connecting plate 26 of one end that support column 11 was kept away from to protection casing 3, two the inside of protection casing 3 all is provided with heating wire 12, can let open air induction system generate heat frostproofing.

In a further scheme, one side of one of the protective covers 3 is rotatably connected with a third rotating shaft 22, one side of the third rotating shaft 22 is rotatably connected with a third connecting rod 23, one end of the outer side of the other protective cover 3 is fixedly connected with a fixing block 25, a positioning boss 24 is arranged on the outer side of the fixing block 25, one end of the third connecting rod 23 is L-shaped and is matched and clamped with the inner side of the positioning boss 24 to fix the two protective covers 3 together;

in the further scheme, one of them flange 8's top both sides all are provided with first recess 4, two the interior diapire of first recess 4 all is connected through bolt 5 with filter screen base 7 and another flange 8, two bolt 5's bottom all is provided with nut 14, two nut 14 is connected through locating pin 21, prevents to drop.

In a further scheme, a rubber sheet 6 is arranged between the two flanges 8 and the filter screen base 7 and used for sealing.

In a further scheme, the inner sides of the two protective covers 3 are provided with heat insulation layers 13 for insulating heat of the induction device and preventing supercooling and freezing damage.

In a further scheme, two notches 28 are arranged on two sides of the first connecting port 2 of the two protective covers 3.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A pressure sensing device comprising a pressure sensor (1), characterized in that: the bottom end of the pressure sensor (1) is fixedly connected with a flange (8), a second connecting port (15) is arranged below the pressure sensor (1), the flange (8) is arranged on the periphery of the outer side of the top of the second connecting port (15), a filter screen base (7) is arranged between the two flanges (8), and a filter screen (20) is arranged on the inner side of the filter screen base (7);

equal fixedly connected with second connecting rod (17) in the outside both sides of second connector (15), two the top of second connecting rod (17) is rotated and is connected with second pivot (18), the one end of second pivot (18) is rotated and is connected with head rod (16), two head rod (16) one end fixedly connected with spring (19), two the other end of spring (19) and the outside both sides homogeneous phase fixed connection of second connector (15), the outside of second connector (15) is provided with connecting pipe (9), the outside both sides of connecting pipe (9) are provided with second recess (27), and two head rods (16) are kept away from the other end that corresponds spring (19) and are matched with second recess (27) that correspond.

2. A pressure sensing device according to claim 1, wherein: the two first connecting rods (16) are both L-shaped far away from one end fixed with the corresponding spring (19), and one ends of the two L-shaped connecting rods and one end of the fixed spring (19) are respectively positioned at two sides of the second connecting rod (17).

3. A pressure sensing device according to claim 1, wherein: one of them flange (8) and be located one side top of first connection mouth (2) and be close to edge fixedly connected with support column (11), the both sides of support column (11) are all rotated and are connected with first pivot (10), two the one end of first pivot (10) is all rotated and is connected with protection casing (3), two the equal fixedly connected with connecting plate (26) of one end of support column (11), two are kept away from in protection casing (3) the inside of protection casing (3) all is provided with heating wire (12).

4. A pressure sensing device according to claim 3, wherein: one of them one side of protection casing (3) is rotated and is connected with third pivot (22), third pivot (22) one side is rotated and is connected with third connecting rod (23), wherein outside one end fixedly connected with fixed block (25) of another protection casing (3), the outside of fixed block (25) is provided with location boss (24), the one end of third connecting rod (23) is L shape, and with location boss (24) inboard cooperation chucking.

5. A pressure sensing device according to claim 1, wherein: one of them the top both sides of flange (8) all are provided with first recess (4), two the interior diapire of first recess (4) all is connected through bolt (5) with filter screen base (7) and another flange (8), two the bottom of bolt (5) all is provided with nut (14), two nut (14) are connected through locating pin (21).

6. A pressure sensing device according to claim 1, wherein: and a rubber sheet (6) is arranged between the flange (8) and the filter screen base (7).

7. A pressure sensing device according to claim 3, wherein: the inner sides of the two protective covers (3) are provided with heat insulation layers (13).

8. A pressure sensing device according to claim 3, wherein: two the protection casing (3) are located the both sides of first interface (2) and are provided with breach (28).