CN219474850U

CN219474850U - Pressure sensor

Info

Publication number: CN219474850U
Application number: CN202223311928.0U
Authority: CN
Inventors: 王皓
Original assignee: Jiaxing Yirong Intelligent Technology Co ltd
Current assignee: Jiaxing Yirong Intelligent Technology Co ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-08-04
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a pressure sensor, which comprises a mounting plate with threaded connecting holes at four corners of the upper end surface, wherein annular sealing grooves are formed at the four corners of the upper end surface of the mounting plate and are positioned outside the threaded connecting holes, fixing bolts are detachably arranged in the threaded connecting holes, a protection component is detachably arranged in the annular sealing grooves, the protection component comprises a protection cap with a magnetic attraction ring fixedly arranged at the bottom, the protection cap is covered outside the fixing bolts, a rubber sealing ring is fixedly adhered to one side of the magnetic attraction ring far away from the protection cap, the magnetic attraction ring is detachably and magnetically attracted and fixed in the annular sealing grooves, the threaded connecting holes are spirally screwed out at the bottom ends of bolts, and pressure springs I with two ends respectively abutted to the cap body and the upper end surface of the mounting plate are sleeved on the outer edge surfaces of the bolts.

Description

Pressure sensor

Technical Field

The utility model belongs to the technical field of pressure sensors, and particularly relates to a pressure sensor.

Background

The pressure sensor is the most commonly used sensor in industrial practice, is widely applied to various industrial self-control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent building, production self-control, aerospace, military industry, petrochemical industry, oil well, electric power, ships, machine tools, pipelines and the like.

At present, the pressure sensor is mainly used for detecting pressure, and is mainly fixed on a mounting surface through a bolt during mounting, and due to the influence of environmental factors, after the bolt is fixed for a period of time, a thread tooth part of the bolt is easy to break due to corrosion, so that the bolt is loosened, and the condition of unstable mounting of the pressure sensor is caused, so that the pressure sensor is inconvenient to use.

Disclosure of Invention

The present utility model is directed to a pressure sensor, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a pressure sensor comprises a mounting plate with threaded connection holes at four corners of the upper end surface;

the utility model discloses a mounting panel, including mounting panel up end four corners, screw connection hole is interior to be dismantled and install fixing bolt, demountable installation has the protection subassembly in the annular seal groove, the protection subassembly includes that bottom fixed mounting has the protection cap of magnetic attraction ring, the protection cap cover locates fixing bolt's outside, the magnetic attraction ring is kept away from one side bonding of protection cap and is fixed with rubber seal, and the magnetic attraction ring can dismantle the magnetism and inhale and be fixed in the annular seal groove.

Further, the bottom end of the bolt body of the fixing bolt is screwed out of the threaded connection hole, and the outer edge surface of the bolt body of the fixing bolt is sleeved with a pressure-bearing spring I with two ends respectively abutted against the cap body and the upper end face of the mounting plate

Further, a locking nut is arranged on the outer edge surface of one end of the screw of the fixing bolt body, which is screwed out of the threaded connection hole, in a threaded fit manner, and a pressure-bearing spring II with two ends respectively abutted against the upper end surface of the locking nut and the lower end surface of the mounting plate is sleeved on the outer edge surface of the bottom end of the fixing bolt.

Further, one side, away from the magnetic attraction ring, of the rubber sealing ring is abutted to the bottom of the inner wall of the annular sealing groove.

Further, the upper end face of the mounting plate is fixedly provided with a pressure sensor body in the middle, and the outer edge face of the pressure sensor body is connected with a lead.

Compared with the prior art, the utility model has the following beneficial effects: the mounting plate, the annular sealing groove, the protective cap, the magnetic attraction ring, the rubber sealing ring and the fixing bolt are arranged, the mounting plate can be fixed on the mounting surface through the fixing bolt, the protective cap is fixed in the annular sealing groove through the magnetic attraction matching of the magnetic attraction ring and the annular sealing groove, and the fixing bolt is covered inside the annular sealing groove through the protective cap, so that the influence of external environment is isolated, the protection of the fixing bolt is realized, the loosening condition of the fixing bolt caused by the influence of environmental factors is reduced, and the practicability is strong;

thanks to the arrangement of the mounting plate, the threaded connection hole, the fixing bolt and the first pressure-bearing spring, one end of the fixing bolt can be screwed into the threaded connection hole, and the first pressure-bearing spring is extruded through the cap body of the fixing bolt, so that the first pressure-bearing spring is subjected to pressure deformation, the screw thread meshing strength between the fixing bolt and the first pressure-bearing spring can be improved through the elastic force generated by the deformation of the first pressure-bearing spring, the mounting plate mounting stability can be improved, and the practicability is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a protective assembly of the present utility model;

fig. 3 is a cross-sectional view of fig. 1 of the present utility model.

In the figure: 1. a mounting plate; 2. an annular seal groove; 3. a pressure sensor body; 4. a lead wire; 5. protective cap; 6. a magnetic ring; 7. a rubber seal ring; 8. a fixing bolt; 9. a pressure-bearing spring I; 10. locking the nut; 11. and a pressure-bearing spring II.

Detailed Description

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.

As shown in fig. 1 and 2, this pressure sensor, mounting panel 1 including the up end four corners has all been seted up threaded connection hole, annular seal groove 2 has all been seted up to the outside that mounting panel 1 up end four corners was located threaded connection hole, demountable installation has fixing bolt 8 in the threaded connection hole, demountable installation has the protection subassembly in the annular seal groove 2, the protection subassembly includes that bottom fixed mounting has the protection block 5 of ring 6 is inhaled to magnetism, the outside of fixing bolt 8 is located to protection block 5 cover, the one side that ring 6 was kept away from to the protection block 5 is fixed with rubber seal 7 in the bonding of magnetism, and the magnetism is inhaled ring 6 and can be dismantled magnetism and inhale and be fixed in annular seal groove 2, benefited by mounting panel 1, annular seal groove 2, protection block 5, magnetism is inhaled ring 6, rubber seal 7 and fixing bolt 8's setting, can be fixed mounting panel on the mounting panel through fixing bolt 8, and the magnetism inhale the cooperation with magnetism of ring 6 and annular seal groove 2 and be fixed in annular seal groove 2, and cover the inside with fixing bolt 8, thereby the influence of external environment is located through protection block 5, realize reducing the protection to fixing bolt 8's the circumstances that causes the strong looseness because of environmental factor, the practicality takes place.

As shown in fig. 1-3, the bottom end of the bolt body of the fixing bolt 8 is screwed out of the threaded connection hole, and the outer edge surface of the bolt body of the fixing bolt 8 is sleeved with a first bearing spring 9 with two ends respectively abutting against the cap body of the fixing bolt and the upper end surface of the mounting plate 1, one end of the fixing bolt 8 can be screwed into the threaded connection hole due to the arrangement of the mounting plate 1, the threaded connection hole, the fixing bolt 8 and the first bearing spring 9, the first bearing spring 9 is extruded through the cap body of the fixing bolt 8, the first bearing spring 9 is deformed under compression, the threaded engagement strength between the fixing bolt 8 and the first bearing spring 9 can be improved through the elastic force generated by the deformation of the first bearing spring 9, and therefore the mounting plate 1 is convenient to improve the mounting stability of the mounting plate 1, and the practicability is strong.

As shown in fig. 1-3, a locking nut 10 is mounted on an outer edge surface of one end of a bolt body of the fixing bolt 8, which is screwed out of a threaded connection hole, in a threaded fit manner, a pressure-bearing spring II 11 with two ends respectively abutting against an upper end surface of the locking nut 10 and a lower end surface of the mounting plate 1 is sleeved on an outer edge surface of the bottom end of the fixing bolt 8, and one side, away from the magnetic attraction ring 6, of the rubber sealing ring 7 is abutted against and mounted on the bottom of the inner wall of the annular sealing groove 2.

As shown in fig. 1 and 3, a pressure sensor body 3 is fixedly installed in the middle of the upper end surface of the mounting plate 1, and a lead 4 is connected to the outer edge surface of the pressure sensor body 3.

Working principle: when the pressure sensor is used, one end of the fixing bolt 8 can be screwed out of the threaded connection hole and screwed into the installation surface, then the protective cap 5 is fixed in the annular sealing groove 2 through the magnetic attraction fit of the magnetic attraction ring 6 and the annular sealing groove 2, the fixing bolt 8 is covered inside through the protective cap 5, the sealing is realized through the abutting connection of the rubber sealing ring 7 and the bottom wall of the annular sealing groove 2, the influence of the external environment is isolated, the protection of the fixing bolt 8 is realized, the first pressure spring 9 is extruded through the cap body of the fixing bolt 8 while the fixing bolt 8 is screwed, the first pressure spring 9 is subjected to compression deformation, the screw engagement strength between the fixing bolt 8 and the first pressure spring 9 can be improved through the elastic force generated by the deformation of the first pressure spring 9, so that the installation stability of the installation plate 1 is improved, then the locking nut 10 is screwed to the bottom end of the bolt body of the fixing bolt 8, the second pressure spring 11 is subjected to compression deformation, the screw engagement strength between the locking nut 10 and the fixing bolt 8 is improved through the action generated by the deformation of the second pressure spring 11, the pressure sensor is reasonable in structure, the stability of the installation is facilitated, and practicability is high.

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

1. A pressure sensor comprises a mounting plate (1) with threaded connection holes at four corners of the upper end surface;

the method is characterized in that: annular seal groove (2) have all been seted up to mounting panel (1) up end four corners in the outside of threaded connection hole, demountable installation has fixing bolt (8) in the threaded connection hole, demountable installation has protection component in annular seal groove (2), protection component includes that bottom fixed mounting has the protection block (5) of magnetism suction ring (6), the outside of fixing bolt (8) is located in protection block (5) cover, one side bonding that protection block (5) was kept away from to magnetism suction ring (6) is fixed with rubber seal (7), and magnetism suction ring (6) demountable magnetism is inhaled and is fixed in annular seal groove (2).

2. A pressure sensor according to claim 1, characterized in that: the bottom end of the bolt body of the fixing bolt (8) is screwed out of the threaded connection hole in a spiral mode, and a bearing spring I (9) with two ends respectively abutting against the cap body and the upper end face of the mounting plate (1) is sleeved on the outer edge face of the bolt body of the fixing bolt (8).

3. A pressure sensor according to claim 1, characterized in that: the locking nut (10) is arranged on the outer edge surface of one end of the bolt body of the fixing bolt (8) screwed out of the threaded connection hole in a threaded fit mode, and the pressure-bearing spring II (11) with two ends respectively abutted to the upper end surface of the locking nut (10) and the lower end surface of the mounting plate (1) is sleeved on the outer edge surface of the bottom end of the fixing bolt (8).

4. A pressure sensor according to claim 1, characterized in that: one side of the rubber sealing ring (7) far away from the magnetic attraction ring (6) is abutted to the bottom of the inner wall of the annular sealing groove (2).

5. A pressure sensor according to claim 1, characterized in that: the pressure sensor is characterized in that the pressure sensor body (3) is fixedly installed in the middle of the upper end face of the mounting plate (1), and a lead (4) is connected to the outer edge face of the pressure sensor body (3).