CN211452711U

CN211452711U - Self-adaptive pressure sensor

Info

Publication number: CN211452711U
Application number: CN202020309363.4U
Authority: CN
Inventors: 孙铭荣
Original assignee: Nanjing Hanzhili Chemical Technology Co ltd
Current assignee: Nanjing Hanzhili Chemical Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-09-08
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a self-adaptation pressure sensor, include waterproof construction, seal structure, predetermine base and fixed knot and construct, the top of predetermineeing the base is provided with waterproof construction, predetermine the both sides fixedly connected with seal structure of base, predetermine through seal structure fixed connection between base and the waterproof construction, predetermine the bottom fixedly connected with fixed knot of base and construct. The utility model discloses a waterproof construction is convenient for waterproof, avoid leading to inside precision parts to be corroded the oxidation because long-time the use, the advantage of this structure makes the life extension of device, waterproof construction's theory of operation is connected through installation joint piece and installation joint groove block, predetermine the external screw thread and predetermine the internal screw thread effect and be the outside cover body of fixed connection, the centre packing of installation joint groove and protective housing body has the packing granule, the effect of packing granule is that avoid the ageing damaged rivers of shell to advance the device, the packing granule can absorb moisture.

Description

Self-adaptive pressure sensor

Technical Field

The utility model relates to a pressure sensor technical field specifically is a self-adaptation pressure sensor.

Background

Pressure sensors are one of the most widely used. The traditional pressure sensor is mainly based on a mechanical structure type device, and indicates pressure by deformation of an elastic element, but the structure is large in size and heavy in weight, and cannot provide electrical output. With the development of semiconductor technology, semiconductor pressure sensors have come to be developed. Its advantages are small size, light weight, high accuracy and high temp. Particularly, with the development of MEMS technology, the semiconductor sensor is miniaturized, and has low power consumption and high reliability. Adaptive pressure sensors can replace and fill a plurality of gaps, but the existing adaptive pressure sensor has a plurality of problems or defects:

firstly, the traditional self-adaptive pressure sensor is inconvenient to prevent water, and after long-term use, internal precise parts are easy to corrode and oxidize, so that the service life of the device is influenced;

secondly, in the traditional self-adaptive pressure sensor, the joint of the shell and the device is not provided with a sealing structure, and the device is easy to be invaded by water vapor to cause mildewing when being used in a place with humid air;

thirdly, the traditional self-adaptive pressure sensor is inconvenient to install and fix, and the installation position is easy to fall off.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-adaptation pressure sensor to the easy steam that is difficult to be invaded when solving the waterproof, device of being not convenient for that proposes in the above-mentioned background art uses and leads to going mildy and the device problem fixed of being not convenient for installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a self-adaptation pressure sensor, includes waterproof construction, seal structure, predetermines base and fixed knot construct, the top of predetermineeing the base is provided with waterproof construction, the both sides fixedly connected with seal structure of predetermineeing the base, predetermine through seal structure fixed connection between base and the waterproof construction, predetermine the bottom fixedly connected with fixed knot structure of base.

Preferably, waterproof construction's inside has set gradually installation joint piece, installation joint groove, packing granule, protective housing body and has predetermine the external screw thread, protective housing body's inside intermediate position department is provided with the packing granule, and the inside intermediate position department of packing the granule is provided with the installation joint groove, through packing granule fixed connection between installation joint groove and the protective housing body, the inside intermediate position department in installation joint groove is provided with the installation joint piece of mutually supporting with installation joint groove, the both sides of installation joint piece are inlayed and are had preset the internal thread, the both sides in installation joint groove are inlayed and are had and predetermine the internal thread mutually supporting and predetermine the external screw thread.

Preferably, the inside of seal structure has set gradually first predetermined recess, compression silver, second predetermined recess and oil filler point, one side of first predetermined recess is provided with the compression silver.

Preferably, one side of compression silver is provided with the recess is predetermine to the second that mutually supports with first recess of predetermineeing, first recess and the second of predetermineeing is predetermine the recess and is around the axis symmetric distribution of compression silver, one side fixedly connected with oil filler point of recess is predetermine to the second.

Preferably, fixed fixture block, fixed external screw thread and anti-drop buckle have set gradually in fixed knot constructs, the both sides fixedly connected with fixed external screw thread of fixed fixture block.

Preferably, the two sides of the fixed clamping block are provided with anti-falling buckles, and the anti-falling buckles are symmetrically distributed about the central axis of the fixed clamping block.

Compared with the prior art, the beneficial effects of the utility model are that: this self-adaptation pressure sensor has not only realized that the device can be waterproof, has realized avoiding the device to go mildy and oxidize, has realized moreover that the installation of being convenient for is fixed:

(1) the waterproof structure is convenient for waterproofing, corrosion and oxidation of internal precision parts caused by long-time use are avoided, the structure has the advantages that the service life of the device is prolonged, the working principle of the waterproof structure is that the waterproof structure is connected with the installation clamping groove in a clamping manner through the installation clamping block, the preset external thread and the preset internal thread are used for fixedly connecting an external cover body, filling particles are filled in the middle of the installation clamping groove and the protective shell body, the filling particles are used for preventing the shell from aging and damaging to cause water to flow into the device, and the filling particles can absorb moisture;

(2) the sealing structure seals the joint of the shell and the device, so that the device is prevented from mildewing caused by water vapor invasion when the device is used in a place with moist air, and the working principle of the sealing structure is that oil is injected into the oil injection hole, and the compression cotton sliver absorbs the oil to expand, so that the joint of the first preset groove and the second preset groove which are symmetrically distributed is extruded and sealed;

(3) make the device be convenient for the installation fixed through fixed knot structure, fixed knot structure's theory of operation is installed in the place that needs are fixed through fixed fixture block and fixed external screw thread mutually supporting, and the advantage of this structure is that the shortcoming that the installation department easily drops can be avoided to the anti-drop buckle of symmetric distribution.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a partial schematic view of the waterproof structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a partial schematic view of the sealing structure of the present invention.

In the figure: 1. a waterproof structure; 101. installing a clamping block; 102. installing a clamping groove; 103. filling particles; 104. a protective outer shell; 105. presetting external threads; 106. presetting internal threads; 2. a sealing structure; 201. a first preset groove; 202. compressing the cotton sliver; 203. a second preset groove; 204. an oil filler hole; 3. presetting a base; 4. a fixed structure; 401. fixing the fixture block; 402. fixing the external thread; 403. anti-falling buckle.

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 an embodiment: a self-adaptive pressure sensor comprises a waterproof structure 1, a sealing structure 2, a preset base 3 and a fixed structure 4, wherein the waterproof structure 1 is arranged at the top end of the preset base 3;

the waterproof structure comprises a waterproof structure 1 and is characterized in that an installation clamping block 101, an installation clamping groove 102, filling particles 103, a protective outer shell 104 and preset external threads 105 are sequentially arranged in the waterproof structure 1, the filling particles 103 are arranged at the middle position in the protective outer shell 104, the installation clamping groove 102 is arranged at the middle position in the filling particles 103, the installation clamping groove 102 and the protective outer shell 104 are fixedly connected through the filling particles 103, the installation clamping block 101 matched with the installation clamping groove 102 is arranged at the middle position in the installation clamping groove 102, the preset internal threads 106 are embedded in two sides of the installation clamping block 101, and the preset external threads 105 matched with the preset internal threads 106 are embedded in two sides of the installation clamping groove 102;

specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, the waterproof structure 1 is used for facilitating waterproofing, and preventing internal precision parts from being corroded and oxidized due to long-term use, the waterproof structure has the advantage of prolonging the service life of the device, the working principle of the waterproof structure 1 is that the installation clamping block 101 is clamped and connected with the installation clamping groove 102, the preset external thread 105 and the preset internal thread 106 are used for fixedly connecting an external cover body, the filling particles 103 are filled between the installation clamping groove 102 and the protective outer shell 104, the filling particles 103 are used for preventing water from flowing into the device due to aging and damage of the outer shell, and the filling particles 103 can absorb moisture;

the sealing structure 2 is fixedly connected to two sides of the preset base 3, a first preset groove 201, a compressed cotton sliver 202, a second preset groove 203 and an oil filler 204 are sequentially arranged in the sealing structure 2, the compressed cotton sliver 202 is arranged on one side of the first preset groove 201, the second preset groove 203 matched with the first preset groove 201 is arranged on one side of the compressed cotton sliver 202, the first preset groove 201 and the second preset groove 203 are symmetrically distributed about the central axis of the compressed cotton sliver 202, and the oil filler 204 is fixedly connected to one side of the second preset groove 203;

specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, the sealing structure 2 seals the joint between the housing and the device, so as to prevent the device from mildewing due to moisture invasion when the device is used in a place with humid air, and the sealing structure 2 works on the principle that oil is injected into the oil injection hole 204, the compressed cotton sliver 202 absorbs the oil to expand, so that the joint of the first preset groove 201 and the second preset groove 203 which are symmetrically distributed is squeezed and sealed;

the preset base 3 and the waterproof structure 1 are fixedly connected through the sealing structure 2, and the bottom end of the preset base 3 is fixedly connected with the fixed structure 4;

a fixed fixture block 401, a fixed external thread 402 and anti-falling buckles 403 are sequentially arranged in the fixed structure 4, the fixed external thread 402 is fixedly connected to two sides of the fixed fixture block 401, the anti-falling buckles 403 are arranged on two sides of the fixed fixture block 401, and the anti-falling buckles 403 are symmetrically distributed about the central axis of the fixed fixture block 401;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, the fixing structure 4 facilitates installation and fixation of the device, the fixing structure 4 works on the principle that the fixing fixture block 401 and the fixing external thread 402 are mutually matched and installed at a place needing fixation, and the advantage of the structure is that the symmetrically distributed anti-falling buckles 403 can avoid the defect that the installation place is easy to fall off.

The working principle is as follows: the utility model discloses when using, at first, it is waterproof to be convenient for through waterproof construction 1, avoid leading to inside precision parts to be corroded the oxidation because long-time the use, the advantage of this structure is the life extension that makes the device, waterproof construction 1's theory of operation is connected through installation joint piece 101 and installation joint groove 102 block, it is the outside cover body of fixed connection to predetermine external screw thread 105 and predetermine the effect of internal thread 106, the centre packing of installation joint groove 102 and protective housing body 104 has filling particle 103, filling particle 103's effect is to avoid the ageing damaged rivers that lead to of shell to advance the device, filling particle 103 can absorb moisture.

Afterwards, the sealing structure 2 seals the joint of the shell and the device, so that the device is prevented from mildewing due to the fact that the device is invaded by water vapor when being used in a place with damp air, the working principle of the sealing structure 2 is that oil is injected into the oil hole 204, the compression cotton sliver 202 absorbs oil content to expand, and the joint of the first preset groove 201 and the second preset groove 203 which are symmetrically distributed is extruded and sealed.

Finally, the device is convenient to install and fix through the fixing structure 4, the working principle of the fixing structure 4 is that the fixing fixture block 401 and the fixing external thread 402 are matched with each other to be installed at a place needing fixing, and the structure has the advantage that the symmetrically distributed anti-falling buckles 403 can avoid the defect that the installation part is easy to fall off.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a self-adaptation pressure sensor, includes waterproof construction (1), seal structure (2), predetermines base (3) and fixed knot structure (4), its characterized in that: the utility model discloses a waterproof structure, including predetermine base (3), predetermine the top of base (3) and be provided with waterproof construction (1), predetermine both sides fixedly connected with seal structure (2) of base (3), predetermine through seal structure (2) fixed connection between base (3) and waterproof construction (1), predetermine bottom fixedly connected with fixed knot of base (3) and construct (4).

2. An adaptive pressure sensor according to claim 1, wherein: the interior of the waterproof structure (1) is sequentially provided with an installation clamping block (101), an installation clamping groove (102), filling particles (103), a protective outer shell (104) and a preset external thread (105), filling particles (103) are arranged at the middle position inside the protective outer shell (104), and the middle position inside the filling particles (103) is provided with an installation clamping groove (102), the mounting clamping groove (102) and the protective outer shell (104) are fixedly connected through filling particles (103), the middle position in the installation clamping groove (102) is provided with an installation clamping block (101) which is matched with the installation clamping groove (102), preset internal threads (106) are embedded at two sides of the mounting clamping block (101), and preset external threads (105) matched with the preset internal threads (106) are embedded on two sides of the mounting clamping groove (102).

3. An adaptive pressure sensor according to claim 1, wherein: the inside of seal structure (2) has set gradually first predetermined recess (201), compression silver (202), second predetermined recess (203) and oil filler point (204), one side of first predetermined recess (201) is provided with compression silver (202).

4. An adaptive pressure sensor according to claim 3, wherein: one side of compression silver (202) is provided with and presets recess (203) with first presetting recess (201) second of mutually supporting, recess (201) are predetermine to first presetting recess (201) and second and predetermine recess (203) central axis symmetric distribution about compression silver (202), one side fixedly connected with oil filler point (204) of recess (203) are predetermine to the second.

5. An adaptive pressure sensor according to claim 1, wherein: the fixing structure is characterized in that a fixing clamping block (401), a fixing external thread (402) and an anti-falling buckle (403) are sequentially arranged in the fixing structure (4), and the fixing external thread (402) is fixedly connected to two sides of the fixing clamping block (401).

6. An adaptive pressure sensor according to claim 5, wherein: the two sides of the fixed fixture block (401) are provided with anti-falling buckles (403), and the anti-falling buckles (403) are symmetrically distributed around the central axis of the fixed fixture block (401).