CN214843762U

CN214843762U - Pressure sensing type fire fighting pressure gauge

Info

Publication number: CN214843762U
Application number: CN202121278829.XU
Authority: CN
Inventors: 孙秀会; 张迪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-11-23
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a pressure sensing formula fire control manometer, which comprises a housin, the inside intermediate position fixed mounting of casing has the intermediate bottom that is horizontal distribution, and the inside of casing divide into seal chamber and interface storehouse along the intermediate bottom, the inside fixed mounting of seal chamber has the calibrated scale, calibrated scale inner wall central point puts fixed mounting has a sealed section of thick bamboo, the inside fixed mounting in interface storehouse has inflatable rubber circle, inflatable rubber circles fixed mounting and connects the trachea, it runs through the intermediate bottom to connect the trachea, and connect and communicate between trachea end and the sealed section of thick bamboo, inside one side difference slidable mounting of a sealed section of thick bamboo has piston plate and activity thread bush, calibrated scale inner wall central point puts and is provided with the graticule pointer, the graticule pointer is close to one side central point fixed mounting of activity thread bush and is connected the threaded rod. The utility model discloses a marking pointer activity on the manometer is driven to the mode of atmospheric pressure difference, to the great fluid of instantaneous pressure, can reduce the damage to the manometer.

Description

Pressure sensing type fire fighting pressure gauge

Technical Field

The utility model relates to a fire control safety technical field especially relates to a pressure sensing formula fire control manometer.

Background

Pressure gauges (pressure gauge) are instruments that measure and indicate pressures above ambient pressure, which are very common, using elastic elements as sensors, and are used in almost all fields of industrial processes and scientific research. The method is widely available in the fields of heat pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like;

in particular, in the industrial process control and technical measurement process, such as a pressure gauge used in fire safety engineering, the pressure gauge adopted at present displays pressure by the rotation of a pointer through the elastic deformation of a sensitive element (a Bourdon tube, a bellows and a corrugated tube) in the pressure gauge and then the pressure deformation is transmitted to the pointer through a conversion mechanism of a movement in the pressure gauge, but when a medium flowing through the pressure generates a large instantaneous pressure, the sensitive element in the pressure gauge is irreversibly deformed, so that a numerical value on the pressure gauge generates a large deviation, and therefore, in order to solve the problems, a pressure sensing type fire pressure gauge is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure sensing type fire-fighting pressure gauge.

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

a pressure sensing type fire fighting pressure gauge comprises a shell, wherein a middle partition plate which is horizontally distributed is fixedly arranged at the middle position in the shell, the interior of the shell is divided into a sealing bin and an interface bin along the middle partition plate, a dial is fixedly arranged in the sealing bin, a sealing barrel is fixedly arranged at the central position of the inner wall of the dial, an inflatable rubber ring is fixedly arranged in the interface bin, a connecting air pipe is fixedly arranged on the inflatable rubber ring, the connecting air pipe penetrates through the middle partition plate and is communicated with the sealing barrel, a piston plate and a movable thread sleeve are respectively and slidably arranged at one side in the sealing barrel, a pointer is arranged at the central position of the inner wall of the dial, a connecting threaded rod is fixedly arranged at the central position of one side, close to the movable thread sleeve, of the marking pointer, and the connecting threaded rod is in threaded connection with the movable thread sleeve, and the movable threaded sleeve is fixedly connected with the piston plate.

Preferably, a transparent cover is arranged on the dial, and a sealing rubber ring is arranged between the outer contour edge of the transparent cover and the dial.

Preferably, the end of the connecting air pipe is located between the piston plate and the bottom end of the inner wall of the sealing cylinder.

Preferably, the piston plate is fixedly provided with a buffer spring at the bottom end of the inner wall close to the sealing cylinder, and the tail end of the buffer spring is not in contact with the bottom end of the inner wall of the sealing cylinder.

Preferably, the joint of the connecting threaded rod and the sealing barrel is fixedly provided with a limiting strip, and the joint of the sealing barrel and the connecting threaded rod is provided with a limiting groove matched with the limiting strip.

Preferably, the piston plate is fixedly connected with the movable threaded sleeve.

The utility model provides a pressure sensing formula fire control manometer, beneficial effect lies in:

1. the structure adopts the mode of air pressure difference to detect the pressure of the fluid flowing through, and drives the connecting threaded rod to move through the pressure change in the inflatable rubber ring, so that the marking pointer can be driven to move;

2. and the buffering spring is arranged, so that the piston plate can be promoted to restore the original position, and the pressure of the inflatable rubber ring is ensured not to change.

Drawings

Fig. 1 is a schematic structural view of a pressure-sensing fire-fighting pressure gauge provided by the utility model;

FIG. 2 is a sectional view of a pressure-sensing type fire pressure gauge of the present invention;

fig. 3 is a cutaway view of the sealing barrel component of the pressure sensing type fire pressure gauge provided by the utility model.

In the figure: 1. a housing; 2. a dial scale; 3. a transparent cover; 4. sealing the rubber ring; 5. marking a pointer; 6. a limiting groove; 7. an interface bin; 8. an inflatable rubber ring; 9. connecting an air pipe; 10. a sealing cylinder; 11. a buffer spring; 12. a piston plate; 13. connecting a threaded rod; 14. a movable threaded sleeve; 15. a limiting strip; 16. sealing the bin; 17. a middle clapboard.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1-3, a pressure sensing type fire-fighting pressure gauge comprises a shell 1, a middle partition 17 which is horizontally distributed is fixedly arranged in the middle of the inside of the shell 1, the inside of the shell 1 is divided into a sealed cabin 16 and a connector cabin 7 along the middle partition 17, a dial 2 is fixedly arranged in the sealed cabin 16, a sealed cylinder 10 is fixedly arranged in the center of the inner wall of the dial 2, an inflatable rubber ring 8 is fixedly arranged in the connector cabin 7, a connecting air pipe 9 is fixedly arranged on the inflatable rubber ring 8, the connecting air pipe 9 penetrates through the middle partition 17, the tail end of the connecting air pipe 9 is communicated with the sealed cylinder 10, a piston plate 12 and a movable threaded sleeve 14 are respectively slidably arranged on one side of the inside of the sealed cylinder 10, a marking pointer 5 is arranged in the center of the inner wall of the dial 2, a connecting threaded rod 13 is fixedly arranged in the center of one side of the marking pointer 5 which is close to the movable threaded sleeve 14, threaded connection between connecting threaded rod 13 and movable thread bush 14, and fixed connection between movable thread bush 14 and piston plate 12, be provided with translucent cover 3 on the calibrated scale 2, be provided with sealed rubber ring 4 between the outline limit of translucent cover 3 and calibrated scale 2, connect the position that the trachea 9 end is located between piston plate 12 and the sealed section of thick bamboo 10 inner wall bottom, piston plate 12 is close to the inner wall bottom fixed mounting of sealed section of thick bamboo 10 has buffer spring 11, contactless between the terminal of buffer spring 11 and the inner wall bottom of sealed section of thick bamboo 10, the junction fixed mounting of connecting threaded rod 13 and sealed section of thick bamboo 10 has spacing strip 15, spacing groove 6 with spacing strip 15 matching is seted up to the junction of sealed section of thick bamboo 10 and connecting threaded rod 13, fixed connection between piston plate 12 and the movable thread bush 14.

In the utility model, after the structure is arranged on the fire fighting pipeline, when no fluid passes through the fire fighting pipeline, the inflatable rubber ring 8 is in an initial state, and the marking pointer 5 is on the scale mark of '0';

when fluid passes through, the fluid extrudes the inflatable rubber ring 8 to deform the inflatable rubber ring 8 in the interface bin 7, and air in the inflatable rubber ring 8 is extruded and blown into the sealing cylinder 10 along the connecting air pipe 9;

the air extrudes the piston plate 12 and pushes the movable threaded sleeve 14 to move, the connecting threaded rod 13 is driven to rotate in the moving process of the movable threaded sleeve 14, and the connecting threaded rod 13 can only rotate but cannot transversely move due to the arrangement of the limiting strips 15 and the limiting grooves 6, so that the marking pointer 5 can be driven to move to indicate the pressure;

because the inflatable rubber ring 8 is adopted, the deformation amount generated by any pressure can be dealt with, and after the pressure disappears, the internal air of the sealing cylinder 10 is squeezed back to the inflatable rubber ring 8 through the buffer spring 11.

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 utility model provides a pressure sensing formula fire control manometer, includes casing (1), its characterized in that, the inside intermediate position fixed mounting of casing (1) has intermediate bottom (17) that is horizontal distribution, just the inside of casing (1) is divided into sealed storehouse (16) and interface storehouse (7) along intermediate bottom (17), the inside fixed mounting of sealed storehouse (16) has calibrated scale (2), calibrated scale (2) inner wall central point fixed mounting has sealed cylinder (10), the inside fixed mounting of interface storehouse (7) has inflatable rubber circle (8), fixed mounting has connecting trachea (9) on inflatable rubber circle (8), connecting trachea (9) run through intermediate bottom (17), just communicate between connecting trachea (9) end and sealed cylinder (10), there are piston plate (12) and movable thread bush (14) sealing cylinder (10) inside one side difference slidable mounting, dial (2) inner wall central point puts and is provided with marking pointer (5), marking pointer (5) are close to one side central point fixed mounting of activity thread bush (14) and have connecting threaded rod (13), threaded connection between connecting threaded rod (13) and activity thread bush (14), just fixed connection between activity thread bush (14) and piston plate (12).

2. The pressure sensing type fire pressure gauge according to claim 1, wherein a transparent cover (3) is arranged on the dial (2), and a sealing rubber ring (4) is arranged between the outer contour edge of the transparent cover (3) and the dial (2).

3. The pressure sensing type fire pressure gauge according to claim 1, wherein the end of the connecting air pipe (9) is located between the piston plate (12) and the bottom end of the inner wall of the sealing cylinder (10).

4. The pressure sensing type fire pressure gauge according to claim 1, wherein the piston plate (12) is fixedly provided with a buffer spring (11) near the bottom end of the inner wall of the sealing cylinder (10), and the tail end of the buffer spring (11) is not in contact with the bottom end of the inner wall of the sealing cylinder (10).

5. The pressure sensing type fire pressure gauge according to claim 1, wherein a limiting strip (15) is fixedly installed at the joint of the connecting threaded rod (13) and the sealing barrel (10), and a limiting groove (6) matched with the limiting strip (15) is formed at the joint of the sealing barrel (10) and the connecting threaded rod (13).

6. The pressure sensing type fire pressure gauge according to claim 1, wherein the piston plate (12) is fixedly connected with the movable threaded sleeve (14).