CN217875353U

CN217875353U - Digitalized electronic pressure sensor

Info

Publication number: CN217875353U
Application number: CN202222233692.7U
Authority: CN
Inventors: 任萍; 王尧
Original assignee: Liaoning Zhiguo Digital Technology Co ltd
Current assignee: Liaoning Zhiguo Digital Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-11-22
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a digital electronic type pressure sensor. The utility model relates to a measuring device technical field, it is limited to the structurally suitability of common test tube way to solve current digital electronic type pressure sensor, and can not fundamentally solve digital electronic type pressure sensor and test tube way's the easy infiltration rainwater of the junction region, leads to the problem of corrosion of rustting. The utility model provides a pair of digital electronic type pressure sensor, include: digital display, screwed joint, sleeve, pull rod, holding ring, signal connector and stainless steel casing, but direct mount need not to carry out extra processing to the test tube way in the internal thread hole of current test tube way, can carry out the rainwater protection to screwed joint simultaneously, and fundamentally solves the easy infiltration rainwater of digital electronic type pressure sensor and test tube way's junction area, leads to the problem of rust and corrosion.

Description

Digitalized electronic pressure sensor

Technical Field

The utility model relates to a measuring device technical field, concretely relates to digital electronic type pressure sensor.

Background

The digitalized electronic pressure sensor is a sensor commonly used in the industrial field, and is widely applied to various industrial self-control environments. The signal connector is connected to the top of the digital display and used for outputting the acquisition signal. The digital display is used for realizing digital display of the detection data. The stainless steel shell is connected to the bottom of the digital display. The inside of stainless steel casing is provided with electronic type pressure measurement subassembly for detect pressure. The threaded joint is connected to the bottom of the stainless steel shell and used for connecting the tested equipment. The device to be tested generally includes a main pipeline and a testing pipeline connected to the main pipeline, and an internal threaded hole is provided in the testing pipeline. The threaded joint may be mounted in an internally threaded bore. Under outdoor environment, digital electronic type pressure sensor's screwed joint and the test pipeline's the easy infiltration rainwater of junction area leads to the corrosion of rustting, in addition, also receives external influence easily and leads to digital electronic type pressure sensor to produce not hard up with being connected of test pipeline, influences data acquisition's accuracy.

In view of the above, the patent with application number 202220565724.0 discloses a digitalized electronic pressure sensor, which comprises a digitalized electronic pressure sensor body, wherein clamping columns are fixedly arranged at the front and the rear of the lower part of the digitalized electronic pressure sensor body respectively; the lower end of the digital electronic pressure sensor body is provided with a telescopic groove, a supporting spring is fixedly arranged in the telescopic groove, and the lower end of the supporting spring is fixedly connected with a telescopic column; the mounting equipment corresponds digital electronic type pressure sensor body lower extreme and has seted up the mounting hole, and both sides correspond the card post respectively around the mounting hole and have seted up guide slot and draw-in groove.

However, the above-mentioned digitized electronic pressure sensor has the following disadvantages in practical use: when the digitalized electronic pressure sensor is installed, structures such as an installation hole, a guide groove and a clamping groove need to be processed on a test pipeline, the applicability of the common test pipeline on the structure is limited, and in addition, the digitalized electronic pressure sensor still cannot fundamentally solve the problem that the connection area of the digitalized electronic pressure sensor and the test pipeline is easy to permeate rainwater to cause rusting and corrosion.

Disclosure of Invention

An object of the utility model is to provide a digital electronic type pressure sensor to it is limited to solve the structurally suitability of current digital electronic type pressure sensor to common test tube way, and can not fundamentally solve the easy infiltration rainwater of the region of connection of digital electronic type pressure sensor and test tube way, leads to the problem of rust and corrosion.

The utility model provides a digital electronic type pressure sensor, include: the pressure sensor comprises a digital display, a threaded connector, a sleeve, a pull rod, a positioning ring, a signal connector and a stainless steel shell, wherein the signal connector is connected to the top of the digital display, the stainless steel shell is connected to the bottom of the digital display, the threaded connector is connected to the bottom of the stainless steel shell, and an electronic pressure detection assembly is arranged inside the stainless steel shell; the sleeve is sleeved outside the digital display and is in sliding connection with the digital display, pull rods are arranged on two sides of the sleeve, and positioning rings are connected to the bottoms of the pull rods.

Furthermore, the digital display is cuboid, sliding grooves are formed in two ends of the side face of the digital display respectively, sliding blocks are arranged on the inner wall of the sleeve and are connected in the sliding grooves in a sliding mode, the top and the bottom of the sleeve are communicated, and the inner shape of the sleeve is matched with the outer shape of the digital display.

Further, telescopic both sides surface is provided with the pull rod guide block, be provided with vertical direction passageway in the pull rod guide block, be provided with the elevator in the vertical direction passageway, the elevator bottom is provided with the spring, the bottom of spring with the bottom surface of vertical direction passageway contacts, pull rod guide block bottom be provided with the through-hole of vertical direction passageway intercommunication, the top of pull rod is passed the through-hole connect in the elevator bottom, the bottom of pull rod is connected the holding ring.

Further, the holding ring includes the semi-ring portion that two symmetries set up, semi-ring portion bottom is connected with the fixed plate, be provided with the fixed orifices on the fixed plate, be provided with the bolt in the fixed orifices, threaded connection has the nut respectively at the bolt both ends, the nut is located the outside of fixed plate.

Furthermore, the bottom of pull rod is connected with the mount pad, the mount pad includes roof and two curb plates, two curb plates respectively perpendicular connect in the bottom both sides of roof, two the top of semi-ring portion is located between two curb plates, the top of semi-ring portion with the curb plate rotates and is connected.

The utility model discloses following beneficial effect has: the utility model provides a pair of digital electronic type pressure sensor is provided with sleeve, pull rod and holding ring, can be with during the use in the internal thread hole of screwed joint screw in test pipeline, then with the sleeve from the digital display upward downward slip, slide to extreme position until the sleeve, the sleeve covers the coupling region of screwed joint and test pipeline, can avoid the screwed joint coupling region to be drenched by water, avoids the screwed joint to produce the corrosion. The pull rod is pulled to descend, the main pipelines on the two sides of the test pipeline are respectively surrounded by the semi-ring parts of the two groups of positioning rings, and the bottoms of the opposite semi-ring parts are fixed through bolts and nuts. The spring of elevator bottom portion exerts ascending power to the elevator, further taut holding ring, and the holding ring is fixed at the main line, can realize spacing to digital electronic pressure sensor's axial to prevent that screwed joint direction of rotation from producing not hard up. The utility model discloses a digital electronic type pressure sensor can direct mount in the internal thread hole of current test pipeline, need not to carry out extra processing to the test pipeline, can carry out the rainwater protection to threaded joint simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of a digitized electronic pressure sensor provided by the present invention;

fig. 2 is a schematic view of a sliding groove of the digital electronic pressure sensor provided by the present invention;

fig. 3 is a schematic view of a pull rod guide block of the digital electronic pressure sensor provided by the present invention;

fig. 4 is a schematic view of a positioning ring of the digital electronic pressure sensor provided by the present invention;

fig. 5 is a schematic view of the inside of the sleeve of the digital electronic pressure sensor provided by the present invention;

fig. 6 is an installation schematic diagram of the digitized electronic pressure sensor provided by the present invention.

Illustration of the drawings: 1-a digital display; 2-a threaded joint; 3-a sleeve; 4-a pull rod guide block; 5-a pull rod; 6-a positioning ring; 7-a signal connector; 8-a mounting seat; 9-stainless steel housing; 11-a sliding groove; 41-lifting block; 42-a spring; 44-vertical guide channel; 61-semi-ring portion; 62-a fixing plate; 621-fixing hole; 63-bolt; 64-a nut; 81-top plate; 82-side plate; 100-main pipeline; 200-test line.

Detailed Description

Referring to fig. 1 to 6, an embodiment of the present invention provides a digital electronic pressure sensor, including: digital display 1, screwed joint 2, sleeve 3, pull rod 5, holding ring 6, signal connection 7 and stainless steel casing 9, signal connection 7 connect in digital display 1's top, and stainless steel casing 9 connects in digital display 1's bottom, and screwed joint 2 connects in stainless steel casing 9's bottom, and stainless steel casing 9's inside is provided with electronic type pressure measurement subassembly. The sleeve 3 is sleeved outside the digital display 1, the sleeve 3 is in sliding connection with the digital display 1, pull rods 5 are arranged on two sides of the sleeve 3, and the bottom of each pull rod 5 is connected with a positioning ring 6. The electronic pressure detecting component specifically comprises an electronic pressure sensor core, a chip and the like, and belongs to the prior art.

In this embodiment, the digital display 1 is rectangular parallelepiped, the two ends of the side surface of the digital display 1 are respectively provided with a sliding groove 11, the cross section of the sliding groove 11 is T-shaped, and the end with smaller width of the T-shape is located on the outer side and penetrates through the side surface of the digital display 1. The sliding groove 11 penetrates the upper surface of the digital display 1. The digital display 1 is used for displaying the detection values. The length of the sleeve 3 in the vertical direction is greater than the length of the digital display 1 in the vertical direction.

In this embodiment, the inner wall of the sleeve 3 is provided with a slider, the shape of the slider matches with the cross-sectional shape of the sliding groove 11, the slider is slidably connected in the sliding groove 11, and the slider reaches a limit position when sliding downwards to the bottom of the sliding groove 11, so that the sleeve 3 is prevented from falling off from the digital display 1. The top and bottom of the sleeve 3 are through, and the inner shape of the sleeve 3 matches the outer shape of the digital display. Referring to fig. 5, in order to clearly show the position of the sliding groove 11 on the digital display 1 and the structure inside the sleeve 3, the pull rod 5, and the positioning ring 6 are hidden in fig. 5. Moreover, the digital display 1, the stainless steel casing 9 and the part between the digital display 1 and the stainless steel casing 9 are all positioned inside the sleeve 3 to avoid interference with the sleeve 3.

In this embodiment, the both sides surface of sleeve 3 is provided with pull rod guide block 4, pull rod guide block 4 is the cubic and vertical setting of cuboid, be provided with vertical direction passageway 44 in the pull rod guide block 4, be provided with elevator 41 in the vertical direction passageway 44, elevator 41 can reciprocate in vertical direction passageway 44, elevator 41 bottom is provided with spring 42, spring 42's bottom contacts with vertical direction passageway 44's bottom surface, pull rod guide block 4 bottom is provided with the through-hole with vertical direction passageway 44 intercommunication, the diameter of through-hole is greater than the diameter of pull rod 5. The top of the pull rod 5 passes through the through hole and is connected with the bottom of the lifting block 41, and the bottom of the pull rod 5 is connected with the positioning ring 6.

In this embodiment, the positioning ring 6 includes two symmetrically disposed half ring portions 61, the bottom of the half ring portion 61 is connected with a fixing plate 62, the fixing plate 62 extends vertically downward, a fixing hole 621 is disposed on the fixing plate 62, a bolt 63 is disposed in the fixing hole 621, two ends of the bolt 63 are respectively connected with a nut 64 through threads, the nut 64 is located outside the fixing plate 62, and the fixing plate 62 of the two half ring portions 61 can be fixed through the bolt 63 and the nut 64.

In this embodiment, the bottom of the pull rod 5 is connected with the mounting seat 8, the mounting seat 8 includes a top plate 81 and two side plates 82, the two side plates 82 are respectively and vertically connected to two sides of the bottom of the top plate 81, the top of the two half ring portions 61 is located between the two side plates 82, the top of the half ring portion 61 is rotatably connected with the side plates 82, and the two half ring portions 61 can be outwardly rotated and opened so as to clamp the main pipeline 100. The main pipeline 100 is vertically communicated with a test pipeline 200, and an internal thread hole is formed in the test pipeline 200.

The utility model discloses a digital electronic type pressure sensor can be with in the internal thread hole of screwed joint 2 screw in test pipeline 200 when using, then with sleeve 3 from digital display 1 lapse, slides to extreme position until sleeve 3, and sleeve 3 covers screwed joint 2 and test pipeline 200's connection region, can avoid screwed joint 2 connection region to be drenched by water, avoids screwed joint 2 to produce the corrosion. The pull rod 5 is pulled to descend, the half ring parts 61 of the two groups of positioning rings 6 respectively surround the main pipeline 100 on two sides of the test pipeline 200, and the bottom parts of the opposite half ring parts 61 are fixed through the bolts 63 and the nuts 64. The spring 42 at the bottom of the lifting block 41 exerts an upward force on the lifting block 41 to further tension the positioning ring 6, and the positioning ring 6 is fixed on the main pipeline 100, so that the axial limit of the digital electronic pressure sensor can be realized, and the loosening of the rotating direction of the threaded joint 2 is prevented. The utility model discloses a digital electronic type pressure sensor, but direct mount need not to carry out extra processing to test tube 200 in current test tube 200's internal thread hole, can carry out the rainwater protection to screwed joint 2 simultaneously, and fundamentally solves the easy infiltration rainwater of digital electronic type pressure sensor and test tube's junction region, leads to the problem of rusty corrosion.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A digitized electronic pressure sensor comprising: digital display (1), screwed joint (2), signal connection (7) and stainless steel casing (9), signal connection (7) connect in the top of digital display (1), stainless steel casing (9) connect in the bottom of digital display (1), screwed joint (2) connect in the bottom of stainless steel casing (9), the inside of stainless steel casing (9) is provided with electronic type pressure measurement subassembly, its characterized in that still includes: the device comprises a sleeve (3), a pull rod (5) and a positioning ring (6); the sleeve (3) is sleeved outside the digital display (1), the sleeve (3) is connected with the digital display (1) in a sliding mode, pull rods (5) are arranged on two sides of the sleeve (3), and positioning rings (6) are connected to the bottom of the pull rods (5).

2. The digitized electronic pressure sensor according to claim 1, wherein the digital display (1) is rectangular, sliding grooves (11) are respectively arranged at two ends of the side surface of the digital display (1), a sliding block is arranged on the inner wall of the sleeve (3), the sliding block is slidably connected in the sliding grooves (11), the top and the bottom of the sleeve (3) are communicated, and the inner shape of the sleeve (3) is matched with the outer shape of the digital display (1).

3. The digitized electronic pressure sensor according to claim 2, wherein the sleeve (3) is provided with a pull rod guide block (4) on both side surfaces thereof, a vertical guide channel (44) is provided in the pull rod guide block (4), a lifting block (41) is provided in the vertical guide channel (44), a spring (42) is provided at the bottom of the lifting block (41), the bottom of the spring (42) is in contact with the bottom surface of the vertical guide channel (44), a through hole communicating with the vertical guide channel (44) is provided at the bottom of the pull rod guide block (4), the top of the pull rod (5) is connected to the bottom of the lifting block (41) through the through hole, and the bottom of the pull rod (5) is connected to the positioning ring (6).

4. The digitized electronic pressure sensor according to claim 3, wherein the positioning ring (6) comprises two symmetrically arranged half ring portions (61), a fixing plate (62) is connected to the bottom of the half ring portions (61), a fixing hole (621) is formed in the fixing plate (62), a bolt (63) is arranged in the fixing hole (621), nuts (64) are respectively connected to two ends of the bolt (63) in a threaded manner, and the nuts (64) are located on the outer side of the fixing plate (62).

5. The digitized electronic pressure sensor according to claim 4, wherein the bottom of the pull rod (5) is connected with a mounting seat (8), the mounting seat (8) comprises a top plate (81) and two side plates (82), the two side plates (82) are respectively vertically connected with two sides of the bottom of the top plate (81), the top of the two semi-ring portions (61) is positioned between the two side plates (82), and the top of the semi-ring portions (61) is rotatably connected with the side plates (82).