CN210221352U

CN210221352U - Ultrahigh pressure sensor base

Info

Publication number: CN210221352U
Application number: CN201921422047.1U
Authority: CN
Inventors: Weidong Wang; 王维东; Chenggong Xie; 谢成功; Weijuan Wang; 王维娟
Original assignee: BENGBU CHUANGYE ELECTRONICS Co Ltd
Current assignee: BENGBU CHUANGYE ELECTRONICS Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-03-31
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses an ultrahigh pressure sensor base belongs to sensor technical field, which comprises a housin, the top of casing is provided with along the axial and places the chamber, the bottom of placing the chamber is provided with the oil filler point who link up the casing along the axial, the middle part outer end of casing is provided with the bulge loop piece, the outside surface of bulge loop piece is provided with the screw thread, the utility model discloses a first hole groove and the second hole groove that set up can make the base bear bigger pressure, transmit from the casing upper end when pressure, through first one of the casing, until the cross-section department of reacing the junction in first hole groove and second hole groove, the cross-section bears and offsets some stress to make the casing can bear bigger pressure, the suitability is high. The utility model discloses a bulge loop piece and the outside screw thread that set up to the realization passes through threaded connection rather than the fixed slot seat of being connected, and is firm reliable, and dismantles the convenience, when having guaranteed to measure bearing pressure, does not take place to rock, reduces measuring error.

Description

Ultrahigh pressure sensor base

Technical Field

The utility model belongs to the technical field of the sensor, concretely relates to superhigh pressure sensor base.

Background

The pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to a plurality of industries such as 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 the like. And under different environment, need use the pressure sensor of different grade type, in order to avoid the error, current pressure sensor base, generally include the casing and the pin that is connected with the casing, the pin is connected with the sensor core body of installing in the base and is transmitted the signal, current pressure sensor base volume is less, can't bear great pressure, direct the base is inserted the fixed slot seat in the installation simultaneously, though simple, but in the in-process of using, because reasons such as pressurized vibrations, lead to sensor base to rock easily, lead to the measured pressure value inaccurate, the error is great.

SUMMERY OF THE UTILITY MODEL

The utility model provides a superhigh pressure sensor base has the characteristics that can bear bigger pressure and fix firm.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ultrahigh pressure sensor base, includes the casing, the top of casing is provided with along the axial and places the chamber, the bottom of placing the chamber is provided with the oil filler point who link up the casing along the axial, the middle part outer end of casing is provided with the bulge loop piece, the outside surface of bulge loop piece is provided with the screw thread, the bottom of placing the chamber is provided with first hole groove along the axial, the lower extreme in first hole groove is provided with the second hole groove that the aperture is less than first hole groove, first hole groove is connected with second hole groove and runs through the casing, first hole groove and second hole groove are fixed with the glass insulator, the inside of glass insulator is provided with the pin that runs through the casing.

Preferably, a total of five terminal pins are arranged in the shell.

Preferably, the first hole grooves and the oil injection hole are equally divided by taking the center of the placing cavity as the circle center, five first hole grooves are arranged, and the circle center between every two first hole grooves and the circle center of the first hole grooves and the center of the oil injection hole are connected with the center of the placing cavity to form an angle of 60 degrees.

Preferably, two groups of air holes penetrating through the shell are axially formed in the bottom of the placing cavity.

Preferably, the aperture of the first pore groove is set to be 1.8mm, and the aperture of the second pore groove is set to be 1.4 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a first hole groove and the second hole groove that set up can make the base bear bigger pressure, transmit from the casing upper end as pressure, through first one of the casing, until the cross-section department of reacing the junction in first hole groove and second hole groove, the cross-section bears offsets partly stress to make the casing can bear bigger pressure, the suitability is high.

2. The utility model discloses a bulge loop piece and the outside screw thread that set up to the realization passes through threaded connection rather than the fixed slot seat of being connected, and is firm reliable, and dismantles the convenience, when having guaranteed to measure bearing pressure, does not take place to rock, reduces measuring error.

Drawings

Fig. 1 is a schematic structural diagram of the ultrahigh pressure sensor base of the present invention.

Fig. 2 is a schematic view of the connection between the fixing groove seat and the fixing groove seat of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a schematic diagram of a conventional sensor base structure and connection with a fixed slot.

In the figure: 1. a housing; 2. a convex ring block; 3. a placement chamber; 4. a first hole groove; 5. an oil filler hole; 6. a second hole groove; 7. a glass insulator; 8. a terminal pin; 9. and (4) air holes.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: an ultrahigh pressure sensor base comprises a shell 1, wherein the top of the shell 1 is axially provided with a placing cavity 3, and in order to dissipate heat of a sensor chip arranged in the placing cavity 3, the bottom of the placing cavity 3 is axially provided with two groups of air holes 9 penetrating through the shell 1; an oil filling hole 5 penetrating through the shell 1 is axially formed in the bottom of the placing cavity 3, a convex ring block 2 is arranged at the outer end of the middle of the shell 1, the convex ring block 2 is a ring and is fixedly arranged on the outer wall of the shell 1 for damage, threads are arranged on the outer side surface of the convex ring block 2 and correspond to threads in a fixed groove seat installed on the convex ring block, a first hole groove 4 is axially formed in the bottom of the placing cavity 3, the first hole groove 4 and the oil filling hole 5 are equally distributed by taking the center of the placing cavity 3 as the circle center, five first hole grooves 4 are formed, and the circle center between every two first hole grooves 4 and the circle center of the first hole grooves 4 and the center of the oil filling hole 5 are connected with the center of the placing cavity 3 to form a 60; the lower end of the first hole groove 4 is provided with a second hole groove 6 with the aperture smaller than that of the first hole groove 4, in order to bear larger pressure, the aperture of the first hole groove 4 is set to be 1.8mm, and the aperture of the second hole groove 6 is set to be 1.4 mm; the first hole groove 4 and the second hole groove 6 are connected and penetrate through the shell 1, the glass insulator 7 is fixed on the first hole groove 4 and the second hole groove 6, the glass insulator 7 is a known technology which is widely applied to daily life and already disclosed, the mechanical strength of the surface layer of the glass insulator 7 is high, cracks are not prone to occurring on the surface, the electrical strength of glass generally keeps unchanged during the whole operation period, the aging process of the glass is much slower than that of porcelain, the inner device insulation is better supported and protected, the lead pins 8 penetrating through the shell 1 are arranged inside the glass insulator 7, and for better signal transmission, five lead pins 8 are arranged in the shell 1.

The utility model discloses a theory of operation and use flow: the utility model discloses during the use, install sensor chip in casing 1 place chamber 3 bottoms, be connected terminal pin 8 and sensor chip, will place 3 lids in chamber, the bleeder vent 9 is connected and is carried out ventilative heat dissipation in sensor chip below, first hole groove 4 and second hole groove 6 through setting up can make the base bear bigger pressure, transmit from casing 1 upper end when pressure, through casing 1 first, until the cross-section department of reacing the junction of first hole groove 4 and second hole groove 6, the cross-section bears and offsets some stress, thereby make casing 1 can bear bigger pressure, the bulge loop piece 2 that sets up simultaneously is fixed with fixed slot seat threaded connection, when having guaranteed the measurement bearing pressure, do not take place to rock, reduce measuring error.

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

1. An ultrahigh pressure sensor base comprises a shell (1), and is characterized in that: the top of casing (1) is provided with along the axial and places chamber (3), the bottom of placing chamber (3) is provided with oil filler point (5) of lining up casing (1) along the axial, the middle part outer end of casing (1) is provided with bulge loop piece (2), the outside surface of bulge loop piece (2) is provided with the screw thread, the bottom of placing chamber (3) is provided with first hole groove (4) along the axial, the lower extreme of first hole groove (4) is provided with second hole groove (6) that the aperture is less than first hole groove (4), first hole groove (4) are connected with second hole groove (6) and are run through casing (1), first hole groove (4) are fixed with glass insulator (7) with second hole groove (6), the inside of glass insulator (7) is provided with pin (8) that run through casing (1).

2. The supervoltage pressure sensor mount as claimed in claim 1, wherein: five terminal pins (8) are arranged in the shell (1).

3. The supervoltage pressure sensor mount as claimed in claim 1, wherein: first hole groove (4) and oil filler point (5) are used for placing the center of chamber (3) and set up as the centre of a circle equallyd divide, first hole groove (4) are provided with five, the centre of a circle between two liang of first hole groove (4) and the centre of a circle of first hole groove (4) and oil filler point (5) connect into 60 jiaos with the center of placing chamber (3).

4. The supervoltage pressure sensor mount as claimed in claim 1, wherein: the bottom of the placing cavity (3) is provided with two groups of air holes (9) which penetrate through the shell (1) along the axial direction.

5. The supervoltage pressure sensor mount as claimed in claim 1, wherein: the aperture of the first hole groove (4) is set to be 1.8mm, and the aperture of the second hole groove (6) is set to be 1.4 mm.