CN209727334U - A kind of highly sensitive pressure transmitter - Google Patents

Abstract

The utility model discloses a kind of highly sensitive pressure transmitters, are related to technical field of measuring equipment.The highly sensitive pressure transmitter, including shell of transducer head and transmitter cylindrical shell, the bottom on shell of transducer head offer round mouth, and the inner surface wall of round mouth is along the circumferential direction equidistantly welded with multiple springs close to edge.The highly sensitive pressure transmitter, by being rotated to screw rod, so that screw rod turns to U-shaped piece of inside, second nut is fastened, screw rod is allowed preferably to be fixed on U-shaped piece of inside, consequently facilitating transmitter cylindrical shell and shell of transducer head are fixedly connected, when the inner body to transmitter is safeguarded, by to the second nut loosening, so that screw rod above takes out from U-shaped piece, so that transmitter cylindrical shell is separated with shell of transducer head, so that worker can preferably safeguard the part inside transmitter, reduce a large amount of dismantlement work amount of worker.

Description

A kind of highly sensitive pressure transmitter

Technical field

The present invention relates to technical field of measuring equipment, specially a kind of highly sensitive pressure transmitter.

Background technique

Pressure transmitter refers to export the pressure sensor for standard signal, is that a kind of pressure variations that receive turn in proportion It is changed to the instrument of standard output signals, it can turn the physical pressures parameters such as gas, liquid that load cell is experienced Become the electric signal of standard and measured with supplying secondary meter, indicated and procedure regulation.But in the prior art, highly sensitive pressure Power transmitter is in use, and due to poor sealing, and then the data that will lead to measurement are inaccurate, to will affect equipment It uses, while existing highly sensitive pressure transmitter, since whole fixed form is complicated, inside to highly sensitive pressure transmitter Part when carry out demolition and maintenance, being not easy extremely, so that it is a large amount of greatly to increase worker in use.

Summary of the invention

In view of the deficiencies of the prior art, the present invention provides a kind of highly sensitive pressure transmitter, by using multi-sealed, Processing preferably can be sealed to highly sensitive pressure transmitter, while by using the fixed form of screw rod, convenient for height Sensitive pressure transmitter carries out demolition and maintenance, reduces a large amount of dismantlement work amount of worker.

In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of highly sensitive pressure transmitter, packet Shell of transducer head and transmitter cylindrical shell are included, the bottom on the shell of transducer head offers round mouth, the round mouth Inner surface wall be along the circumferential direction equidistantly welded with multiple springs close to edge, one end of multiple springs is welded with Elastic Circular Ring flat-plate, the inner surface wall of the Elastic Circular ring flat-plate are pasted with the first elastic packing ring pads, and near side (ns) is leaned in the bottom of the Elastic Circular ring flat-plate Sealant is along the circumferential direction stained at edge, and the outside of sealant and the inner surface wall of round mouth are circumferentially square at bottom margin To adherency, the bottom of the transmitter cylindrical shell is communicated with screwed pipe, and the outer surface of the screwed pipe is at top edge Thread bush is equipped with the first nut, and the outer surface of the screwed pipe is arranged with seal washer close to the basal sliding of the first nut.

Preferably, the outer surface on the shell of transducer head is along the circumferential direction equidistantly welded with four at bottom margin A U-shaped piece.

Preferably, the outer surface of the transmitter cylindrical shell is arranged with annulus block at top edge.

Preferably, the top of the annulus block is along the circumferential direction pasted with the second elastic packing ring pads, and the second elasticity is close The top of seal ring pad and the bottom on shell of transducer head attach.

Preferably, the outer surface of the annulus block is along the circumferential direction equidistantly welded with four groups of baffles, every group of two baffle it Between along the circumferential direction sliding be embedded with rotating bar.

Preferably, the outer surface sliding of the rotating bar, which runs through, screw rod, and the outer surface of screw rod and U-shaped piece of inner surface wall It attaches, the outer surface of screw rod thread bush at top edge is equipped with the second nut, and the bottom of the second nut and U-shaped piece Top attach.

Preferably, the outer surface of multiple springs is arranged with rubber tube, and one end of rubber tube and Elastic Circular ring flat-plate Outer surface adherency, and the inner surface wall of the other end of rubber tube and round mouth adhere to.

The present invention provides a kind of highly sensitive pressure transmitters.Have it is following the utility model has the advantages that

(1), highly sensitive pressure transmitter, by by the top slide of transmitter cylindrical shell to shell of transducer head Round mouth in so that multiple springs are compressed, by the restoring force of multiple springs, allow the first elastic packing ring pads tight Tight is attached on the outer surface of transmitter cylindrical shell, in use, preferably can be sealed processing to junction, together When by sealant, processing preferably can be sealed to the gap between Elastic Circular ring flat-plate and round mouth, so as to more preferable Raising transmitter leakproofness so that detection data it is more accurate.

(2), the highly sensitive pressure transmitter passes through after transmitter cylindrical shell is slid into shell of transducer head Screw rod is rotated, so that screw rod turns to U-shaped piece of inside, the second nut is fastened, allows screw rod more preferable The inside for being fixed on U-shaped piece, consequently facilitating transmitter cylindrical shell and shell of transducer head are fixedly connected, right When the inner body of transmitter is safeguarded, by being taken out so that screw rod is gone up from U-shaped piece to the second nut loosening, thus So that transmitter cylindrical shell is separated with shell of transducer head so that worker can preferably to transmitter inside Part is safeguarded, a large amount of dismantlement work amount of worker is reduced.

Detailed description of the invention

Fig. 1 is elevational cross-sectional view of the invention；

Fig. 2 is round mouth fragmentary bottom cross-sectional view of the invention；

Fig. 3 is round mouth partial bottom view of the invention；

Fig. 4 is annulus block top partial view diagram of the invention；

Fig. 5 is part A cutaway view Amplified image in Fig. 1 of the invention.

In figure: 1, screwed pipe；2, seal washer；3, the first nut；4, transmitter cylindrical shell；5, the second elastic sealing ring Pad；6, annulus block；7, shell of transducer head；8, round mouth；9, the second nut；10, U-shaped piece；11, screw rod；12, baffle；13, turn Lever；14, rubber tube；15, spring；16, Elastic Circular ring flat-plate；17, the first elastic packing ring pads；18, sealant.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport It is being used to explain the present invention, and is being not considered as limiting the invention.

Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of highly sensitive pressure transmitter, including transmitter enclosure Body head 7 and transmitter cylindrical shell 4, the bottom on shell of transducer head 7 offer round mouth 8, and round mouth 8 is convenient for transmitter cylinder Shell 4 slides into, and the inner surface wall of round mouth 8 is along the circumferential direction equidistantly welded with multiple springs 15 close to edge, passes through multiple springs 15 restoring force is attached to the first elastic packing ring pads 17 preferably on the outer surface of transmitter cylindrical shell 4, from And it is convenient for encapsulation process, one end of multiple springs 15 is welded with Elastic Circular ring flat-plate 16, and Elastic Circular ring flat-plate 16 can be better The position of first elastic packing ring pads 17 is fixed, the inner surface wall of Elastic Circular ring flat-plate 16 is pasted with the first elastic packing ring pads 17, the bottom of Elastic Circular ring flat-plate 16 is along the circumferential direction stained with sealant 18, and the outside of sealant 18 and circle close to edge The inner surface wall of mouth 8 along the circumferential direction adheres at bottom margin, and sealant 18 can be preferably to Elastic Circular ring flat-plate 16 and circle Gap between mouth 8 is sealed processing, and the bottom of transmitter cylindrical shell 4 is communicated with screwed pipe 1, and screwed pipe 1 is convenient for and pipe Road is attached, and the outer surface of screwed pipe 1 thread bush at top edge is equipped with the first nut 3, and the outer surface of screwed pipe 1 is leaned on The basal sliding of nearly first nut 3 is arranged with seal washer 2, by the fastening of the first nut 3, so that pipeline and screwed pipe 1 connect What is connect is stronger, while seal washer 2, preferably can be sealed processing to junction, by by transmitter cylindrical shell The top slide of body 4 is into the round mouth 8 on shell of transducer head 7, so that multiple springs 15 are compressed, passes through multiple springs 15 Restoring force, allow the first elastic packing ring pads 17 being attached on the outer surface of transmitter cylindrical shell 4 tightly, make With, processing preferably can be sealed to junction, while by sealant 18, it can be preferably to Elastic Circular ring flat-plate 16 Gap between round mouth 8 is sealed processing, so as to preferably improve the leakproofness of transmitter, so that the data of detection It is more accurate, after transmitter cylindrical shell 4 is slid into shell of transducer head 7, by being rotated to screw rod 11, so that Screw rod 11 turns to U-shaped piece 10 of inside, fastens to the second nut 9, screw rod 11 is allowed preferably to be fixed on U-shaped piece 10 inside, consequently facilitating transmitter cylindrical shell 4 and shell of transducer head 7 are fixedly connected, to transmitter When inner body is safeguarded, by being loosened to the second nut 9, so that screw rod 11 takes out from U-shaped piece 10, so that Transmitter cylindrical shell 4 is separated with shell of transducer head 7, so that worker can be preferably to zero inside transmitter Part is safeguarded, a large amount of dismantlement work amount of worker is reduced.

The outer surface on shell of transducer head 7 is along the circumferential direction equidistantly welded at bottom margin there are four U-shaped piece 10, It is convenient for for U-shaped piece 10 being fixedly connected with screw rod 11, the outer surface of transmitter cylindrical shell 4 is arranged with circle at top edge Ring block 6, the top of annulus block 6 are along the circumferential direction pasted with the second elastic packing ring pads 5, and the top of the second elastic packing ring pads 5 The bottom on portion and shell of transducer head 7 attaches, after transmitter cylindrical shell 4 is fixed on 7 inside of shell of transducer head, It, in use, can be preferably right by the bottom for being attached to shell of transducer head 7 of the second elastic packing ring pads 5 tightly Junction is sealed processing, and the outer surface of annulus block 6 is along the circumferential direction equidistantly welded with four groups of baffles 12, every group of two baffles Along the circumferential direction sliding is embedded with rotating bar 13 between 12, and baffle 12 allows rotating bar 13 to carry out stable rotation, rotation The outer surface sliding of bar 13, which runs through, screw rod 11, and the outer surface of screw rod 11 and U-shaped piece 10 of inner surface wall attach, outside screw rod 11 Surface thread bush at top edge is equipped with the second nut 9, and the bottom of the second nut 9 and U-shaped piece 10 of top attaching, will After screw rod 11 turns to U-shaped piece of 10 inside, by being tightened to the second nut 9, so that screw rod 11 is fixed, consequently facilitating will become Device housing head 7 is sent to be fixedly connected with transmitter cylindrical shell 4, the outer surface of multiple springs 15 is arranged with rubber tube 14, and the outer surface of one end of rubber tube 14 and Elastic Circular ring flat-plate 16 adheres to, and the other end of rubber tube 14 and round mouth 8 is interior The adherency of table wall, rubber tube 14 can preferably protect spring 15.

In use, so that multiple springs 15 compress, passing through after by the way that transmitter cylindrical shell 4 is slid into 8 inside of round mouth The restoring force of multiple springs 15 allows the first elastic packing ring pads 17 to be closely attached to the outer of transmitter cylindrical shell 4 On surface, so as to preferably be sealed processing to junction, by being rotated to screw rod 11, so that screw rod 11 is located at The second nut 9 is tightened in U-shaped piece 10 of inside, so that screw rod 11 is fixed, consequently facilitating by transmitter cylindrical shell 4 are fixedly connected with shell of transducer head 7 so that the second elastic packing ring pads 5 tightly be attached to transmitter enclosure The bottom on body head 7, so as to be preferably sealed to junction, when the inner body to transmitter is safeguarded It waits, by being loosened to the second nut 9, so that screw rod 11 loosens, so as to preferably by transmitter cylindrical shell 4 and transmitter Housing head 7 is separated, convenient for safeguarding to the part changed inside device.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (7)

1. a kind of highly sensitive pressure transmitter, including shell of transducer head (7) and transmitter cylindrical shell (4), feature exists In: the bottom of the shell of transducer head (7) offers round mouth (8), and the inner surface wall of the round mouth (8) is close to edge along circle Circumferential direction is equidistantly welded with multiple springs (15), and one end of multiple springs (15) is welded with Elastic Circular ring flat-plate (16), described The inner surface wall of Elastic Circular ring flat-plate (16) is pasted with the first elastic packing ring pads (17), and the bottom of the Elastic Circular ring flat-plate (16) is close Edge is along the circumferential direction stained with sealant (18), and the inner surface wall of the outside of sealant (18) and round mouth (8) is close to bottom Edge along the circumferential direction adheres to, and the bottom of the transmitter cylindrical shell (4) is communicated with screwed pipe (1), the screwed pipe (1) Outer surface at top edge thread bush be equipped with the first nut (3), the outer surface of the screwed pipe (1) is close to the first nut (3) basal sliding is arranged with seal washer (2).

2. a kind of highly sensitive pressure transmitter according to claim 1, it is characterised in that: the shell of transducer head (7) there are four U-shaped piece (10) for along the circumferential direction equidistantly welding at bottom margin for outer surface.

3. a kind of highly sensitive pressure transmitter according to claim 1, it is characterised in that: the transmitter cylindrical shell (4) outer surface is arranged with annulus block (6) at top edge.

4. a kind of highly sensitive pressure transmitter according to claim 3, it is characterised in that: the top of the annulus block (6) Along the circumferential direction it is pasted with the second elastic packing ring pads (5), and the top of the second elastic packing ring pads (5) and shell of transducer head The bottom in portion (7) attaches.

5. a kind of highly sensitive pressure transmitter according to claim 3, it is characterised in that: the appearance of the annulus block (6) Face is along the circumferential direction equidistantly welded with four groups of baffles (12), and along the circumferential direction sliding, which is embedded with, between every group of two baffles (12) turns Lever (13).

6. a kind of highly sensitive pressure transmitter according to claim 5, it is characterised in that: the appearance of the rotating bar (13) Face sliding, which runs through, to be had screw rod (11), and the outer surface of screw rod (11) and U-shaped piece (10) of inner surface wall attach, the screw rod (11) Outer surface thread bush at top edge is equipped with the second nut (9), and the top of the bottom of the second nut (9) and U-shaped piece (10) Portion attaches.

7. a kind of highly sensitive pressure transmitter according to claim 1, it is characterised in that: outside multiple springs (15) Surface is arranged with rubber tube (14), and the outer surface of one end of rubber tube (14) and Elastic Circular ring flat-plate (16) adheres to, and rubber The other end of sebific duct (14) and the inner surface wall of round mouth (8) adhere to.