Chuck type remote transmission differential pressure transmitter

Abstract

The utility model relates to the technical field of chuck type remote transmission differential pressure transmitters, in particular to a chuck type remote transmission differential pressure transmitter which comprises a chuck, a mounting groove is formed in the bottom of the chuck, a sealing groove is formed in the periphery of the outer ring of the mounting groove, a first clamping ring is arranged on the inner side of the sealing groove, and an O-shaped sealing ring is installed in the first clamping ring. The isolation diaphragm is inserted into the sealing groove through the insertion ring, the bottom surface of the isolation diaphragm is parallel to the bottom surface of the chuck, and the isolation diaphragm is a flat diaphragm; the side of the mounting base is connected with a cable, the cable is divided into two strands, and the two strands of cables are connected with the chuck at the same time; the beneficial effects are that according to the chuck type remote transmission differential pressure transmitter provided by the utility model, the isolation diaphragm is inserted into the sealing groove at the outer side of the top of the installation groove at the bottom of the chuck through the insertion ring, the isolation diaphragm is installed in the installation groove, the isolation diaphragm is a flat diaphragm, the bottom surface of the isolation diaphragm is smooth and flat and is parallel to the bottom surface of the chuck, and the isolation diaphragm is not easy to deform; therefore, the measurement medium is not left on the isolation diaphragm, and the isolation diaphragm is convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of a chuck type remote differential pressure transmitter, in particular to a chuck type remote differential pressure transmitter. Background Art

[0002] A remote differential pressure transmitter is a pressure sensor that outputs a standard signal. It is an instrument that receives pressure variables and converts them into a standard output signal in proportion. It can convert the physical pressure parameters of gas, liquid, etc. sensed by the pressure measuring element sensor into a standard electrical signal (such as 4~20mADC, etc.) to provide secondary instruments such as indicator alarms, recorders, and regulators for measurement, indication, and process regulation.

[0003] In the prior art, a remote differential pressure transmitter usually has an isolation diaphragm installed on the bottom flange to prevent the medium from directly contacting the differential pressure transmitter diaphragm.

[0004] However, when the existing remote differential pressure transmitter is used to measure liquids in pharmaceutical and food factories, the measuring medium is likely to remain in the annular groove on the isolation diaphragm, which is very troublesome to clean. Utility Model Content

[0005] The purpose of the utility model is to provide a chuck type remote differential pressure transmitter to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chuck, a mounting groove is provided at the bottom of the chuck, a sealing groove is provided around the outer ring of the mounting groove, a first clamping ring is provided on the inner side of the sealing groove, an O-ring is installed in the first clamping ring, an isolation diaphragm is inserted into the sealing groove through an insert ring, the bottom surface of the isolation diaphragm is parallel to the bottom surface of the chuck, and the isolation diaphragm is a flat diaphragm; and a mounting seat, the side of the mounting seat is connected to a cable, the cable is divided into two strands, and the two strands of cable are connected to the chuck at the same time.

[0007] Preferably, a dashboard is provided on the top of the mounting seat, and a display is provided on the dashboard, and the dashboard can display the detection information through the display.

[0008] Preferably, a flange handle is provided in the middle of the top of the chuck, and the cable is inserted into the flange handle and connected to the chuck, and the chuck can be lifted up and placed into the medium to be tested through the flange handle.

[0009] Preferably, the outer sides of the insert ring and the sealing groove are provided with a second retaining ring, a sealing strip is arranged in the second retaining ring, and the sealing strip can be retained in the second retaining ring provided on the outer side of the insert ring.

[0010] Preferably, one end of the sealing strip is fixed to one side of a second clamping ring provided on the outer side of the sealing groove, and the other end is connected to a screw rod inserted in the tightening groove through the second clamping ring.

[0011] Preferably, the screw rod can drive the sealing strip to be tightened by rotating the screw rod, so that the sealing strip is clamped in the second clamping ring outside the plug ring, and the isolation diaphragm connected to the bottom of the plug ring is fixed in the installation groove. A threaded groove is provided at the bottom of the screw rod, and the screw rod can be inserted into the threaded groove and fixed.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses a chuck type remote transmission differential pressure transmitter, in which an isolation diaphragm is inserted into a sealing groove on the top outer side of a mounting groove at the bottom of a chuck through an insert ring, and the isolation diaphragm is installed in the mounting groove. The isolation diaphragm adopts a flat diaphragm, and the bottom surface of the isolation diaphragm is smooth and flat and parallel to the bottom surface of the chuck, so that the measuring medium will not remain on the isolation diaphragm, and the isolation diaphragm is easy to clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the chuck of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the other side of the chuck of the utility model.

[0017] In the figure: mounting base 1, instrument panel 2, cable 3, flange handle 4, chuck 5, sealing groove 6, isolation diaphragm 7, plug ring 8, first retaining ring 9, O-ring 10, second retaining ring 11, sealing strip 12, tightening groove 13, screw 14, threaded groove 15. DETAILED DESCRIPTION

[0018] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 3The utility model provides a technical solution: a chuck 5, a mounting groove is provided at the bottom of the chuck 5, a sealing groove 6 is provided around the outer ring of the mounting groove, a first clamping ring 9 is provided on the inner side of the sealing groove 6, an O-ring 10 is installed in the first clamping ring 9, an isolation diaphragm 7 is inserted into the sealing groove 6 through an insert ring 8, the bottom surface of the isolation diaphragm 7 is parallel to the bottom surface of the chuck 5, and the isolation diaphragm 7 is a flat diaphragm; and a mounting seat 1, a cable 3 is connected to the side of the mounting seat 1, the cable 3 is divided into two strands, and the two strands of cable 3 are connected to the chuck 5 at the same time; an instrument panel 2 is provided on the top of the mounting seat 1, and a display is provided on the instrument panel 2, and the instrument panel 2 can display the detection information through the display; a flange handle 4 is provided in the middle of the top of the chuck 5, and the cable 3 is plugged into the flange handle 4 and connected to the chuck 5, The chuck 5 can be lifted up and put into the medium to be tested by the flange handle 4; the outer sides of the plug ring 8 and the sealing groove 6 are provided with a second holding ring 11, and a sealing strip 12 is arranged in the second holding ring 11, which can be held in the second holding ring 11 provided on the outer side of the plug ring 8; one end of the sealing strip 12 is fixed to one side of the second holding ring 11 provided on the outer side of the sealing groove 6, and the other end is connected to a screw 14 inserted in the tightening groove 13 through the second holding ring 11; the screw 14, screwing the screw 14 can drive the sealing strip 12 to tighten, so that the sealing strip 12 is held in the second holding ring 11 on the outer side of the plug ring 8, and the isolation diaphragm 7 connected to the bottom of the plug ring 8 is fixed in the installation groove, and a threaded groove 15 is provided at the bottom of the screw 14, and the screw 14 can be inserted into the threaded groove 15 for fixing.

[0020] In actual use, the isolation diaphragm 7 is inserted into the sealing groove 6 on the top outer side of the mounting groove at the bottom of the chuck 5 through the plug ring 8, and the isolation diaphragm 7 is installed in the mounting groove. The isolation diaphragm 7 adopts a flat diaphragm, and the bottom surface of the isolation diaphragm 7 is smooth and parallel to the bottom surface of the chuck 5, so that the measured medium will not remain on the isolation diaphragm 7, and the isolation diaphragm 7 is easy to clean; when the plug ring 8 at the top of the isolation diaphragm 7 is inserted into the sealing groove 6, the O-ring 10 in the first retaining ring 9 opened on the inner side of the sealing groove 6 begins to seal the inner side of the plug ring 8 to prevent the medium liquid from entering. At the same time, by rotating the screw 14, the screw 14 drives the sealing strip 12 to shrink in the tightening groove 13, so that the sealing strip 12 is retained in the second retaining ring 11 opened on the outer side of the plug ring 8, and the isolation diaphragm 7 connected to the bottom of the plug ring 8 is fixed in the mounting groove, and the outer side of the plug ring 8 is sealed by plugging in the second retaining ring 11 on the outer side of the plug ring 8 to prevent liquid from penetrating.

[0021] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A chuck-type remote differential pressure transmitter, characterized in that: include: A chuck (5), wherein a mounting groove is formed at the bottom of the chuck (5), a sealing groove (6) is formed around the outer ring of the mounting groove, a first retaining ring (9) is formed on the inner side of the sealing groove (6), an O-ring (10) is installed in the first retaining ring (9), an isolation diaphragm (7) is inserted into the sealing groove (6) through an insert ring (8), a bottom surface of the isolation diaphragm (7) is parallel to the bottom surface of the chuck (5), and the isolation diaphragm (7) is a flat diaphragm; and The mounting seat (1) is connected to a cable (3) on the side of the mounting seat (1), the cable (3) is divided into two strands, and the two strands of cable (3) are simultaneously connected to the chuck (5).

2. A chuck-type remote differential pressure transmitter according to claim 1, characterized in that: A dashboard (2) is arranged on the top of the mounting seat (1), and a display is arranged on the dashboard (2). The dashboard (2) can display detection information through the display.

3. A chuck-type remote differential pressure transmitter according to claim 2, characterized in that: A flange handle (4) is provided at the middle of the top of the chuck (5), and the cable (3) is inserted into the flange handle (4) to be connected to the chuck (5). The chuck (5) can be lifted up through the flange handle (4) and placed into the medium to be tested.

4. The chuck-type remote differential pressure transmitter according to claim 3 is characterized in that: The insert ring (8) and the outer side of the sealing groove (6) are both provided with a second retaining ring (11), and a sealing strip (12) is arranged in the second retaining ring (11). The sealing strip (12) can be retained in the second retaining ring (11) provided on the outer side of the insert ring (8).

5. The chuck-type remote differential pressure transmitter according to claim 4 is characterized in that: One end of the sealing strip (12) is fixed to one side of a second clamping ring (11) provided on the outside of the sealing groove (6), and the other end is connected to a screw rod (14) inserted into the tightening groove (13) through the second clamping ring (11).

6. A chuck-type remote differential pressure transmitter according to claim 5, characterized in that: The screw rod (14) is screwed to drive the sealing strip (12) to be tightened, so that the sealing strip (12) is clamped in a second clamping ring (11) outside the insert ring (8), and the isolation diaphragm (7) connected to the bottom of the insert ring (8) is fixed in the installation groove. The bottom of the screw rod (14) is provided with a thread groove (15), and the screw rod (14) can be inserted into the thread groove (15) for fixing.

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