CN211042580U

CN211042580U - Explosion-proof type double-flange pressure transmitter

Info

Publication number: CN211042580U
Application number: CN201922470215.0U
Authority: CN
Inventors: 孟凡良; 魏雯霞; 陆胜; 张永汪; 杨正好
Original assignee: Shanghai Duotong Information Technology Co ltd
Current assignee: Shanghai Duotong Information Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-17
Anticipated expiration: 2029-12-31

Abstract

The utility model belongs to the field of flange pressure transmitters, in particular to a flame-proof type double-flange pressure transmitter, aiming at the problem that a display of the existing double-flange pressure transmitter is easy to damage due to impact, and the service life is influenced; with the pipe connection's leakproofness relatively poor, the influence detects the precision, the relatively poor problem of operating mass, the following scheme is proposed now, it includes the pressure transmitter main part and locates the display main part on pressure transmitter main part top, the bolt fastening has the horizontally backup pad on the top of pressure transmitter main part, and the through-hole has been seted up to the intermediate position of backup pad, and the display main part is located the inside of through-hole, is located and installs the installation circle on the roof of the backup pad of display main part outer lane, the utility model discloses novel structure can carry out effectual protection to the display, can prevent that the display from damaging because of receiving the striking, can guarantee life, and pipe connection's leakproofness is higher, can guarantee to detect the precision, and operating mass is higher.

Description

Explosion-proof type double-flange pressure transmitter

Technical Field

The utility model relates to a flange pressure transmitter technical field especially relates to a flame-proof type double flange pressure transmitter.

Background

The flange type pressure transmitter (can be provided with a digital display type) adopts flange 304 stainless steel, the shell adopts an isolation explosion-proof design and additionally adopts a digital display meter head to realize on-site display, the circuit adopts an intrinsic safety explosion-proof design, the circuit adopts signal isolation and amplification, the frequency cut-off interference design (strong anti-interference capability and lightning stroke prevention) overvoltage protection, current limiting protection, impact resistance, corrosion resistance, small size, flexibility and the like. 316 stainless steel full seal welding, small and compact structure, good moisture-proof capability and excellent medium compatibility. However, the display of the existing double-flange pressure transmitter is easily damaged due to impact, and the service life is influenced; the existing double-flange pressure transmitter is poor in sealing performance of connection with a pipeline, detection accuracy is affected, and working quality is poor, so that the explosion-proof double-flange pressure transmitter is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flame-proof type double-flange pressure transmitter, which solves the problem that the display of the existing double-flange pressure transmitter is easy to damage due to impact, and the service life is influenced; and the existing double-flange pressure transmitter has poor tightness for connecting with a pipeline, so that the detection precision is influenced, and the working quality is poor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a flame-proof type double-flange pressure transmitter comprises a pressure transmitter main body and a display main body arranged at the top end of the pressure transmitter main body, wherein a horizontal supporting plate is fixed at the top end of the pressure transmitter main body through a bolt, a through hole is formed in the middle of the supporting plate, the display main body is positioned in the through hole, an installation ring is arranged on the top wall of the supporting plate positioned on the outer ring of the display main body, first limiting blocks are fixed on two sides of the bottom end of the installation ring, first limiting grooves are formed in the top wall of the supporting plate positioned on two sides of the display main body, the two first limiting blocks are respectively in clearance fit in the two first limiting grooves, second limiting grooves are formed in the outer rings on two sides of the installation ring, vertical fixing plates are fixed at two ends of the top wall of the supporting plate, and a movable hole is formed in the top of the, the movable hole clearance fit has horizontally pull rod, two the one end that the pull rod is close to each other extends fixed plate and fixedly connected with second stopper, two the second stopper is intermittent type cooperation respectively two the inside of second spacing groove, the top of collar is fixed with the protection casing, the display main part is located the inside of protection casing, the both ends of pressure transmitter main part all are connected with the wire, two the one end that the wire was kept away from each other all is connected with detects the head, two the outer lane that the wire was kept away from each other all overlaps and is equipped with vertically flange body, two fixedly connected with horizontally retainer plate on the lateral wall that the flange body was kept away from each other, the outer lane of retainer plate is fixed to be cup jointed the sealing washer.

Preferably, one end of each of the two pull rods, which is far away from each other, extends out of the fixing plate and is welded with the operation block.

Preferably, the protection casing passes through the bolt fastening in the top of collar, the protection casing is made by transparent PC plastics, it has the handle to bond on the outer roof of protection casing.

Preferably, the outer ring of the lead is fixedly sleeved with a steel wire hose, and the flange body is fixedly sleeved on the outer ring of the steel wire hose.

Preferably, the seal ring is made of a rubber material, and the detection head is located at the inner ring of the fixed ring.

Preferably, the two side walls of the fixing plate, which are close to each other, are respectively connected with the two second limiting blocks through springs, and the springs are sleeved on the outer ring of the pull rod.

The utility model has the advantages that:

1. through the cooperation of backup pad, installation circle, protection casing, first spacing groove, second spacing groove, first stopper, second stopper, fixed plate, pull rod and spring, the accessible protection casing carries out effectual protection to the display, can prevent that the display from receiving the striking, can prevent that the display from damaging because of receiving the striking, can guarantee life.

2. Through the cooperation of flange body, detection head, retainer plate and sealing washer, the leakproofness that can effectual promotion double flange pressure transmitter and pipe connection can guarantee to detect the precision, and operating mass is higher.

The utility model discloses novel structure can carry out effectual protection to the display, can prevent that the display from damaging because of receiving the striking, can guarantee life, and is higher with pipe connection's leakproofness, can guarantee to detect the precision, and operating mass with rated load is higher.

Drawings

Fig. 1 is the utility model provides a flame-proof type double-flange pressure transmitter's schematic structure diagram.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is the utility model provides a side view of the flange body of flame-proof type double-flange pressure transmitter.

Reference numbers in the figures: 1. a pressure transmitter body; 2. a wire; 3. a flange body; 4. a detection head; 5. a stationary ring; 6. a seal ring; 7. a support plate; 8. installing a ring; 9. a display main body; 10. a protective cover; 11. a first limit groove; 12. a first stopper; 13. a fixing plate; 14. a pull rod; 15. a spring; 16. a second limit groove; 17. and a second limiting block.

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.

Referring to fig. 1-3, an explosion-proof type double-flange pressure transmitter comprises a pressure transmitter main body 1 and a display main body 9 arranged at the top end of the pressure transmitter main body 1, wherein a horizontal supporting plate 7 is fixed at the top end of the pressure transmitter main body 1 through a bolt, a through hole is arranged at the middle position of the supporting plate 7, the display main body 9 is arranged in the through hole, a mounting ring 8 is arranged on the top wall of the supporting plate 7 at the outer ring of the display main body 9, first limiting blocks 12 are fixed at both sides of the bottom end of the mounting ring 8, first limiting grooves 11 are arranged on the top wall of the supporting plate 7 at both sides of the display main body 9, the two first limiting blocks 12 are respectively in clearance fit with the two first limiting grooves 11, second limiting grooves 16 are arranged at both sides of the mounting ring 8, vertical fixing plates 13 are fixed at both ends of the top wall of the supporting plate 7, a movable hole is, clearance fit has horizontally pull rod 14 in the movable hole, fixed plate 13 and fixedly connected with second stopper 17 are extended to the one end that two pull rods 14 are close to each other, two second stoppers 17 intermittent type cooperation respectively are in the inside of two second spacing grooves 16, the top of collar 8 is fixed with protection casing 10, display main part 9 is located the inside of protection casing 10, the both ends of pressure transmitter main part 1 all are connected with wire 2, the one end that two wires 2 kept away from each other all is connected with detects head 4, the outer lane that two wires 2 kept away from each other all overlaps and is equipped with vertically flange body 3, fixedly connected with horizontally retainer plate 5 on the lateral wall that two flange bodies 3 kept away from each other, the outer lane of retainer plate 5 is fixed to have cup jointed sealing washer 6.

The end of each pull rod 14 far away from each other extends out of the fixing plate 13 and is welded with the operation block, so that the pull rods 14 can be pulled conveniently.

The protection casing 10 passes through the bolt fastening on the top of installation circle 8, and it has the handle to bond on the outer roof of protection casing 10, can make things convenient for dismouting protection casing 10, and protection casing 10 is made by transparent PC plastics, and PC plastics have hardness height, service temperature wide range, characteristics such as corrosion resistance are strong, can guarantee that protection casing 10 realizes effectual protection to display main part 9.

The fixed cup joint of outer lane of wire 2 has wired hose, and flange body 3 is fixed cup joints in wired hose's outer lane, and accessible wired hose carries out effectual protection to wire 2.

The sealing ring 6 is made of rubber materials, the rubber materials have elasticity, the sealing ring 6 can be in interference fit with the inner ring of the pipeline, and the detection head 4 is located on the inner ring of the fixing ring 5.

The side walls of the two fixing plates 13, which are close to each other, are connected with two second limiting blocks 17 respectively through springs 15, the second limiting blocks 17 can be tightly embedded into the second limiting grooves 16 under the elastic action of the springs 15, and the springs 15 are sleeved on the outer ring of the pull rod 14.

Example (b): when the explosion-proof double-flange pressure transmitter is installed, the sealing ring 6 is inserted into the inner ring of the pipeline, so that the sealing ring 6 is in interference fit with the inner ring of the pipeline, and the flange body 3 is fixedly connected with the flange on the pipeline through the bolt, so that the sealing performance of connection with the pipeline can be ensured, and the detection accuracy can be ensured; after the explosion-proof double-flange pressure transmitter is installed, the two operation blocks are far away from each other by pulling the two operation blocks, so that the two pull rods 14 can be driven to be far away from each other, so that the two second limit blocks 17 can be driven to be far away from each other until the distance between the two second limit blocks 17 is greater than the length of the installation ring 8, at the moment, the springs 15 are in a compressed state, then the two first limit blocks 12 of the installation ring 8 are respectively inserted into the two first limit grooves 11, the operation blocks are released, the two second limit blocks 17 can be pushed to be close to each other by the two springs 15 until the two second limit blocks 17 are respectively inserted into the two second limit grooves 16, the fixing of the protective cover 10 can be completed through the limiting action of the first limit blocks 12 and the second limit blocks 17, and the display main body 9 can be effectively protected by the protective cover 10, the display main body 9 can be prevented from being struck, thereby preventing the display main body 9 from being damaged by the striking.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The flame-proof type double-flange pressure transmitter comprises a pressure transmitter main body (1) and a display main body (9) arranged at the top end of the pressure transmitter main body (1), and is characterized in that a horizontal supporting plate (7) is fixed at the top end of the pressure transmitter main body (1) through a bolt, a through hole is formed in the middle position of the supporting plate (7), the display main body (9) is positioned in the through hole, a mounting ring (8) is installed on the top wall of the supporting plate (7) positioned at the outer ring of the display main body (9), first limiting blocks (12) are fixed on two sides of the bottom end of the mounting ring (8), first limiting grooves (11) are formed in the top wall of the supporting plate (7) positioned at two sides of the display main body (9), and the two first limiting blocks (12) are respectively in clearance fit in the two first limiting grooves (11), the two sides of the mounting ring (8) are provided with second limiting grooves (16) in outer rings, the two ends of the top wall of the supporting plate (7) are fixed with vertical fixing plates (13), the top of each fixing plate (13) is provided with a movable hole, the movable holes are matched with horizontal pull rods (14) in a clearance fit mode, one end, close to each other, of each pull rod (14) extends out of the corresponding fixing plate (13) and is fixedly connected with a second limiting block (17), the two second limiting blocks (17) are respectively and intermittently matched inside the two second limiting grooves (16), the top end of the mounting ring (8) is fixed with a protective cover (10), the display main body (9) is located inside the protective cover (10), the two ends of the pressure transmitter main body (1) are connected with wires (2), and one end, far away from each other, of the two wires (2) is connected with a detection head (4), two the outer lane that wire (2) kept away from each other all overlaps and is equipped with vertically flange body (3), two fixed connection has horizontally retainer plate (5) on the lateral wall that flange body (3) kept away from each other, sealing washer (6) have been cup jointed to the outer lane of retainer plate (5) is fixed.

2. The flameproof double-flange pressure transmitter of claim 1, wherein one end of each of the two pull rods (14) which is far away from each other extends out of the fixed plate (13) and is welded with the operation block.

3. The flameproof double-flange pressure transmitter of claim 1, wherein the protective cover (10) is fixed at the top end of the mounting ring (8) through bolts, the protective cover (10) is made of transparent PC plastic, and a handle is bonded on the outer top wall of the protective cover (10).

4. The flameproof double-flange pressure transmitter of claim 1, wherein the outer ring of the wire (2) is fixedly sleeved with a steel wire hose, and the flange body (3) is fixedly sleeved on the outer ring of the steel wire hose.

5. The flameproof double-flange pressure transmitter of claim 1, wherein the sealing ring (6) is made of rubber material, and the detection head (4) is located at the inner ring of the fixed ring (5).

6. The flameproof double-flange pressure transmitter according to claim 1, wherein the two mutually adjacent side walls of the fixing plates (13) are connected with two second limiting blocks (17) through springs (15), and the springs (15) are sleeved on the outer ring of the pull rod (14).