CN219038256U

CN219038256U - Air inlet connecting mechanism of pressure sensor

Info

Publication number: CN219038256U
Application number: CN202223371556.0U
Authority: CN
Inventors: 夏贤冲; 颜天宝
Original assignee: Chuandong Magnetic Electronic Co Ltd
Current assignee: Chuandong Magnetic Electronic Co Ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-16
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses an air inlet connecting mechanism of a pressure sensor, which comprises a pressure sensor body and an air delivery pipe, wherein a wiring socket is arranged on the right side of the pressure sensor body, an instrument is arranged at the upper end of the pressure sensor body, an air inlet is arranged at the lower end of the pressure sensor body, an installation shell is fixedly arranged at the lower end of the pressure sensor body through a screw, and a filter screen is fixedly arranged at the inner side of the installation shell through the screw. According to the utility model, the structure is adopted, the insertion frame is additionally arranged at the lower end of the pressure sensor body, the installation shell with the filter screen is inserted and matched with the screw, so that the air entering the pressure sensor can be conveniently filtered directly outside the pressure sensor, and the installation shell for loading the filter screen is arranged outside the pressure sensor, and the filter screen is arranged in the installation shell through the screw, so that the assembly, disassembly and maintenance are very convenient.

Description

Air inlet connecting mechanism of pressure sensor

Technical Field

The utility model belongs to the field of pressure sensors, and particularly relates to an air inlet connection mechanism of a pressure sensor.

Background

The sensor is a detecting device which can detect the measured information and convert the detected measured information into an electric signal or other forms of signal output according to a certain rule, thereby meeting the requirements of transmission, processing, storage, display, recording and control of the measured information. Therefore, the sensor is the first link for realizing automatic detection and automatic control, and the pressure sensor is the most commonly used sensor in industrial practice, and can sense pressure and convert the pressure into an electric signal, so that the pressure detection and processing in industry are realized.

At present, in order to prevent the pressure sensor from being damaged, a filter screen is generally arranged in the pressure sensor, so that the particulate impurities in the air can be filtered, the air inlet pipe head is connected with the filter in the pressure sensor, and the air inlet pipe is connected with the air inlet pipe, but the built-in filter structure needs to detach the shell of the pressure sensor to further detach and maintain the filter screen, and is more cumbersome and troublesome, so that technical improvement is needed.

Disclosure of Invention

In view of the above-mentioned problems in the background art, an object of the present utility model is to provide an air intake connection mechanism of a pressure sensor, which solves the above-mentioned problems in the background art.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides an inlet connection mechanism of pressure sensor, includes pressure sensor body and gas-supply pipe, the right side of pressure sensor body is equipped with the wiring socket, the upper end of pressure sensor body is equipped with the instrument, the lower extreme of pressure sensor body is equipped with the air inlet, the lower extreme of pressure sensor body passes through screw fixation installation has the installation shell, the inboard of installation shell has the filter screen through screw fixation, the lower extreme fixedly connected with connecting pipe of installation shell, the lower extreme at the connecting pipe is pegged graft to the gas-supply pipe, the first installation piece of outside symmetry fixedly connected with of connecting pipe, the lower extreme fixedly connected with second installation piece of gas-supply pipe, the square groove has been seted up to the lower extreme of first installation piece, the upper end grafting connection of first installation piece through square groove and second installation piece, the inboard of first installation piece is equipped with fixed establishment, first installation piece passes through fixed establishment and second installation piece joint and is connected.

Further, as the preferable technical scheme, the lower extreme fixed mounting of pressure sensor body has the plug frame, the upper end of installation shell passes through the plug frame and is pegged graft with the lower extreme of pressure sensor body and connect, the lower extreme of installation shell passes through screw and plug frame fixed mounting, the installation shell covers the air inlet of pressure sensor body.

Further, as a preferable technical scheme, the upper end of the installation shell is connected with a second sealing ring in an adhesion mode, and the shape of the second sealing ring is rectangular.

Further, as a preferable technical scheme, the lower end of the connecting pipe is provided with a slot, and the upper end of the gas pipe is connected with the lower end of the connecting pipe in a plugging manner through the slot.

Further, as a preferable technical scheme, the lower end of the connecting pipe is connected with a third sealing ring in an adhesive mode, and the inner side of the slot is connected with a first sealing ring in an adhesive mode.

Further, as the preferred technical scheme, fixed establishment includes the bullet chamber, the bullet chamber is established in first installation piece inboard, the inboard sliding connection in bullet chamber has the limiting plate, one side fixed mounting of limiting plate has the fixture block, the card income end of fixture block stretches into square groove and the upper end joint of second installation piece and is connected, one side fixed mounting that the fixture block was kept away from to the limiting plate has the spring, the other end fixed mounting of spring is in the bullet intracavity portion, the outside fixed mounting of limiting plate has the pull rod, the middle part of spring is run through to the one end of pull rod, the cavity wall fixedly connected with pull handle in bullet chamber is run through to the one end of pull rod.

Further, as the preferable technical scheme, the inside symmetry in bullet chamber has seted up the spout, limiting plate passes through spout sliding connection in bullet chamber inboard.

Further, as a preferable technical scheme, the lower end face of the clamping end of the clamping block is in an inclined plane shape.

In summary, the utility model has the following advantages:

firstly, through adding the plug frame at the lower end of the pressure sensor body, the installation shell with the filter screen is plugged and matched with the screw, the air entering the pressure sensor can be conveniently and directly filtered outside the pressure sensor, and the installation shell for loading the filter screen is arranged outside the pressure sensor, and the filter screen is arranged in the installation shell through the screw, so that the disassembly, the assembly and the maintenance are very convenient;

second, through add the connecting pipe at the lower extreme of installation shell, simultaneously, the connecting pipe is pegged graft with the gas-supply pipe, first installation piece is pegged graft with the second installation piece is further, cooperation first sealing washer and third sealing washer can ensure the leakproofness, and because add fixed establishment on the first installation piece, the second installation piece adopts T shape structure to insert in the square groove of first installation piece, insert the in-process, second installation piece upper end and the convex fixture block contact in the square groove, and extrude it along the fixture block inclined plane, make the limiting plate of fixture block connection slide compression spring in the bullet chamber, after first installation piece and second installation piece are inserted, the fixture block that the spring reset promotes the limiting plate to be connected carries out the joint fixedly to the second installation piece, during the dismantlement, only need pull the pull handle on the first installation piece of both sides simultaneously, make pull rod that the pull handle is connected drag the limiting plate and slide, can make fixture block and second installation piece separation, the dismouting maintenance is all very convenient.

Drawings

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

FIG. 2 is a schematic illustration of the mounting shell and bezel connection of the present utility model;

FIG. 3 is a schematic view of the internal structure of the mounting housing of the present utility model;

fig. 4 is a schematic view of the internal structure of the spring chamber of the present utility model.

Reference numerals: 1. the pressure sensor comprises a pressure sensor body, 2, a wiring socket, 3, an instrument, 4, a mounting shell, 5, a gas pipe, 6, a first mounting block, 7, a second mounting block, 8, an inserting frame, 9, a gas inlet, 10, a first sealing ring, 11, a second sealing ring, 12, a connecting pipe, 13, a slot, 15, a third sealing ring, 16, a filter screen, 17, a fixing mechanism, 171, a clamping block, 172, a spring, 173, a pull handle, 174, a pull rod, 175, a limiting plate, 176, a spring cavity, 18, a square groove, 19 and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, an air inlet connection mechanism of a pressure sensor in this embodiment includes a pressure sensor body 1 and an air pipe 5, wherein a wiring socket 2 is provided on the right side of the pressure sensor body 1, an instrument 3 is provided on the upper end of the pressure sensor body 1, an air inlet 9 is provided on the lower end of the pressure sensor body 1, a mounting shell 4 is fixedly mounted on the lower end of the pressure sensor body 1 through a screw, a filter screen 16 is fixedly mounted on the inner side of the mounting shell 4 through a screw, a connecting pipe 12 is fixedly connected to the lower end of the mounting shell 4, the air pipe 5 is connected to the lower end of the connecting pipe 12 in an inserting manner, a first mounting block 6 is symmetrically and fixedly connected to the outer side of the connecting pipe 12, a second mounting block 7 is fixedly connected to the lower end of the air pipe 5, a square groove 18 is provided on the lower end of the first mounting block 6, the first mounting block 6 is connected to the upper end of the second mounting block 7 in an inserting manner through the square groove 18, a fixing mechanism 17 is provided on the inner side of the first mounting block 6, and the first mounting block 6 is connected to the second mounting block 7 in a clamping manner through the fixing mechanism 17; the lower end of the connecting pipe 12 is provided with a slot 13, the upper end of the gas pipe 5 is connected with the lower end of the connecting pipe 12 in a plugging manner through the slot 13, and the gas pipe 5 and the connecting pipe 12 can be conveniently plugged and butted by arranging the slot 13 at the lower end of the connecting pipe 12; the lower extreme bonding of connecting pipe 12 is connected with third sealing washer 15, and the inboard bonding of slot 13 is connected with first sealing washer 10, through add third sealing washer 15 in connecting pipe 12 lower extreme to add first sealing washer 10 in slot 13 inboard, after gas-supply pipe 5 and connecting pipe 12 are installed, can promote the leakproofness between the two.

Example 2

Referring to fig. 2, in order to achieve the purpose of positioning and plugging the installation shell 4 and the pressure sensor body 1 conveniently, the lower end of the pressure sensor body 1 of this embodiment is fixedly provided with the plug frame 8, the upper end of the installation shell 4 is in plug connection with the lower end of the pressure sensor body 1 through the plug frame 8, the lower end of the installation shell 4 is fixedly installed through screws and the plug frame 8, the installation shell 4 covers the air inlet 9 of the pressure sensor body 1, the plug frame 8 is additionally arranged at the lower end of the pressure sensor body 1, positioning and plugging of the installation shell 4 can be conveniently carried out, and the installation shell 4 is conveniently fixed at the air inlet 9 of the pressure sensor.

Referring to fig. 2, in order to achieve the purpose of improving the tightness of the connection gap between the mounting shell 4 and the plug frame 8, in this embodiment, the upper end of the mounting shell 4 is adhesively connected with a second sealing ring 11, the shape of the second sealing ring 11 is rectangular, and the tightness of the connection between the mounting shell 4 and the pressure sensor can be achieved by adhesively connecting the second sealing ring 11 to the upper end of the mounting shell 4.

Example 3

Referring to fig. 1 and 4, in this embodiment, in order to achieve the purpose of conveniently connecting and fixing the connecting pipe 12 with the external air pipe 5 on the basis of embodiment 1, this embodiment innovates the fixing mechanism 17, specifically, the fixing mechanism 17 includes a spring cavity 176, the spring cavity 176 is disposed inside the first mounting block 6, a limiting plate 175 is slidably connected to the inner side of the spring cavity 176, a clamping block 171 is fixedly mounted on one side of the limiting plate 175, a clamping end of the clamping block 171 extends into the square groove 18 and is connected to an upper end of the second mounting block 7 in a clamping manner, a spring 172 is fixedly mounted on one side of the limiting plate 175 away from the clamping block 171, the other end of the spring 172 is mounted inside the spring cavity 176, a pull rod 174 is fixedly mounted on the outer side of the limiting plate 175, one end of the pull rod 174 extends through the middle of the spring 172, one end of the pull rod 174 extends through the cavity wall of the spring cavity 176 and is fixedly connected with a pull handle 173, on the basis of plugging the first mounting block 6 and the second mounting block 7, the second mounting block 7 is inserted into the square groove 18 of the first mounting block 6 by adopting a T-shaped structure, in the plugging process, the upper end of the second mounting block 7 is contacted with the convex clamping block 171 in the square groove 18 and is extruded along the inclined surface of the clamping block 171, so that the limiting plate 175 connected with the clamping block 171 slides in the spring cavity 176 to compress the spring 172, after the first mounting block 6 and the second mounting block 7 are plugged, the spring 172 resets to push the clamping block 171 connected with the limiting plate 175 to clamp and fix the second mounting block 7, and when the second mounting block 7 is disassembled, only the pull handles 173 on the first mounting block 6 on two sides are pulled at the same time, so that the pull rods 174 connected with the pull handles 173 drag the limiting plate 175 to slide, and the clamping block 171 can be separated from the second mounting block 7; the upper end of the second installation block 7 is provided with a clamping hole corresponding to the clamping block 171, so that the clamping block 171 can conveniently clamp and fix the upper end of the second installation block 7; the lower end surface of the clamping end of the clamping block 171 is in an inclined surface shape, and the second installation block 7 can be conveniently installed by designing the lower end surface of the clamping end of the clamping block 171 in an inclined surface shape.

Referring to fig. 4, in order to achieve the purpose of facilitating the sliding of the limiting plate 175 in the spring cavity 176, the inner side of the spring cavity 176 in this embodiment is symmetrically provided with the sliding grooves 19, the limiting plate 175 is slidably connected to the inner side of the spring cavity 176 through the sliding grooves 19, and the sliding of the limiting plate 175 in the spring cavity 176 can be facilitated by providing the sliding grooves 19 on the inner side of the spring cavity 176.

The use principle and the advantages are that: during the use, through add plug frame 8 in pressure sensor air inlet 9 department, peg graft and cooperate the screw installation to have the installation shell 4 of filter screen 16, can conveniently directly filter the air that gets into in the pressure sensor outside, and filter screen 16 passes through the screw installation in installation shell 4, and the dismouting is maintained, in the connecting pipe 12 to installation shell 4 lower extreme is connected with gas-supply pipe 5 in-process, connecting pipe 12 and gas-supply pipe 5 peg graft simultaneously, first installation piece 6 and second installation piece 7 further peg graft, cooperation first sealing washer 10 and third sealing washer 15 can ensure the leakproofness, and owing to add fixed establishment 17 on the first installation piece 6, second installation piece 7 adopts T shape structure to insert in the square groove 18 of first installation piece 6, in-process, second installation piece 7 upper end and square groove 18 in convex fixture block 171 contact, and extrude it along the fixture 171 inclined plane, make limiting plate 175 that the fixture block 171 connects slide compression spring 172 in bullet chamber 176, after first installation piece 6 and second installation piece 7 insert, spring 172 resets and promotes fixture block 173 that the limiting plate 175 connects, draw the fixture block 173 to make and install the second installation piece 173 and draw the both sides and make the quick-connect with the second installation piece 173, can realize that the pull-draw-down pipe 175 can be realized simultaneously, and install the two sides and draw-down pipe 3 and install and draw-down pipe 5 and install the connection piece 173.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An inlet connection mechanism of a pressure sensor, which is characterized in that: including pressure sensor body and gas-supply pipe, the right side of pressure sensor body is equipped with the wiring socket, the upper end of pressure sensor body is equipped with the instrument, the lower extreme of pressure sensor body is equipped with the air inlet, the lower extreme of pressure sensor body passes through screw fixed mounting has the installation shell, the inboard of installation shell passes through screw fixed mounting has the filter screen, the lower extreme fixedly connected with connecting pipe of installation shell, the lower extreme at the connecting pipe is pegged graft to the gas-supply pipe, the outside symmetry fixedly connected with first installation piece of connecting pipe, the lower extreme fixedly connected with second installation piece of gas-supply pipe, square groove has been seted up to the lower extreme of first installation piece, the upper end grafting connection of first installation piece through square groove and second installation piece, the inboard of first installation piece is equipped with fixed establishment, first installation piece passes through fixed establishment and second installation piece joint connection.

2. An air intake connection mechanism of a pressure sensor as claimed in claim 1, wherein: the lower extreme fixed mounting of pressure sensor body has the frame of inserting, the upper end of installation shell is through inserting the lower extreme grafting connection of frame and pressure sensor body, the lower extreme of installation shell is through screw and frame fixed mounting of inserting, the installation shell covers the air inlet of pressure sensor body.

3. An air intake connection mechanism of a pressure sensor as claimed in claim 1, wherein: the upper end of the installation shell is connected with a second sealing ring in an adhesion mode, and the shape of the second sealing ring is rectangular.

4. An air intake connection mechanism of a pressure sensor as claimed in claim 1, wherein: the lower end of the connecting pipe is provided with a slot, and the upper end of the gas pipe is connected with the lower end of the connecting pipe in a plugging manner through the slot.

5. An air intake connection mechanism for a pressure sensor as set forth in claim 4, wherein: the lower extreme of connecting pipe is connected with the third sealing washer in an adhesive bonding way, the inboard of slot is connected with the first sealing washer in an adhesive bonding way.

6. An air intake connection mechanism of a pressure sensor as claimed in claim 1, wherein: the fixing mechanism comprises a spring cavity, the spring cavity is arranged on the inner side of the first mounting block, a limiting plate is connected to the inner side of the spring cavity in a sliding mode, a clamping block is fixedly arranged on one side of the limiting plate, the clamping end of the clamping block stretches into the square groove and is connected with the upper end of the second mounting block in a clamping mode, a spring is fixedly arranged on one side, away from the clamping block, of the limiting plate, the other end of the spring is fixedly arranged inside the spring cavity, a pull rod is fixedly arranged on the outer side of the limiting plate, one end of the pull rod penetrates through the middle of the spring, and one end of the pull rod penetrates through a pull handle fixedly connected with the cavity wall of the spring cavity.

7. An air intake connection mechanism for a pressure sensor as set forth in claim 6, wherein: the inner side of the spring cavity is symmetrically provided with sliding grooves, and the limiting plate is connected to the inner side of the spring cavity in a sliding manner through the sliding grooves.

8. An air intake connection mechanism for a pressure sensor as set forth in claim 6, wherein: the lower end face of the clamping end of the clamping block is in an inclined plane shape.