CN220893666U - Fire-fighting pressure gauge - Google Patents

Abstract

The utility model relates to a fire-fighting pressure gauge, which comprises a watchcase, wherein an explosion-proof oil plug is arranged at the top of the watchcase, a reading gauge dial is arranged in the watchcase, an instrument core assembly is arranged between the reading gauge dial and the watchcase, a spring tube is arranged at the outer side of the instrument core assembly, the instrument core assembly is fixed on the watchcase through a fixing screw, a pointer is arranged on the reading gauge dial, a sealing ring is arranged at one side of the reading gauge dial far away from the watchcase, window glass is arranged on the sealing ring, a cover ring is arranged at the outer side of the window glass, a connector is arranged on the instrument core assembly, and the connector is connected with the watchcase through a sealing O-shaped ring. This novel fire control manometer should be in more extensive use scene when enough, can do good adaptability assembly simultaneously to most installation environment that uses.

Description

Fire-fighting pressure gauge

Technical Field

The utility model relates to the technical field of measuring instruments, in particular to a fire-fighting pressure gauge.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very common in application, and almost extends to all industrial processes and scientific research fields. Is widely visible in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance factories, shops and the like. In particular, in the industrial process control and technical measurement process, the mechanical pressure gauge is increasingly widely used due to the characteristics of high mechanical strength, convenient production and the like of the elastic sensitive element of the mechanical pressure gauge. The common pressure gauge is limited by the self structural design problem, and cannot be highly adapted to specific installation environments.

Disclosure of utility model

In order to solve the technical problems, the fire-fighting pressure gauge comprises a watchcase, an explosion-proof oil plug is arranged at the top of the watchcase, a reading meter dial plate is arranged in the watchcase, an instrument movement assembly is arranged between the reading meter dial plate and the watchcase, a spring tube is arranged on the outer side of the instrument movement assembly, the instrument movement assembly is fixed on the watchcase through a fixing screw, a pointer is arranged on the reading meter dial plate, a sealing ring is arranged on one side, far away from the watchcase, of the reading meter dial plate, window glass is arranged on the sealing ring, a cover ring is arranged on the outer side of the window glass, a connector is arranged on the instrument movement assembly, and the connector is connected with the watchcase through a sealing O-shaped ring.

Compared with the prior art, the utility model has the advantages that: the fire-fighting pressure gauge can be used in a wider application scene, and can be axially installed according to most installation environments.

As an improvement, the watchcase and the instrument core assembly are connected through two fixing screws, and the screw connection is more tight.

As an improvement, the fixing screw is connected with the watchcase, the instrument movement assembly and the joint, and the fixing screw penetrates through the parts and is combined more tightly.

As improvement, interference fit is adopted between window glass and the sealing ring, the sealing ring is self-elastic, the smoothness of the interference fit can be ensured, and meanwhile, the tightness is also ensured.

As improvement, the sealing ring and the cover ring are in interference fit, the sealing ring is self-elastic, the smoothness of the interference fit can be ensured, and the tightness is ensured.

As an improvement, the watchcase, the dial of the reading meter, the sealing ring, the window glass and the cover ring are concentric circle parts, and the concentric circle structure ensures that the whole pressure meter can normally operate and the precision is not influenced.

As an improvement, the pointer interval reading meter dial is arranged on the instrument core assembly, and the reading meter dial is fixed on the instrument core assembly through a dial plate fixing bolt.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

FIG. 1 is a schematic exploded view of the fire manometer of the present utility model;

FIG. 2 is a rear view of the pressure gauge of the present utility model;

FIG. 3 is a cross-sectional view of section A-A of the pressure gauge of the present utility model;

FIG. 4 is a perspective view of a combination state of the pressure gauge according to the present utility model;

FIG. 5 is an exploded view of a pressure gauge according to a second embodiment of the present utility model;

FIG. 6 is a side view of a pressure gauge of the second embodiment;

FIG. 7 is a cross-sectional view of section A-A of the pressure gauge of the second embodiment;

Fig. 8 is a perspective view showing a combination state of the pressure gauge according to the second embodiment.

As shown in the figure: 1. the meter comprises a meter shell, 2, an explosion-proof oil plug, 3, a reading meter dial, 4, a meter movement assembly, 5, a spring tube, 6, a fixing screw, 7, a pointer, 8, a sealing ring, 9, window glass, 10, a cover ring, 11, a connector, 12, a sealing O-shaped ring, 13, a dial plate fixing bolt, 14, a meter bracket, 15, a gasket, 16, a movement assembly, 17, a spring tube, 18 and an M3 fixing screw.

Detailed Description

Example 1

As shown in fig. 1 and 2, the present embodiment provides a fire-fighting pressure gauge, which comprises a case 1, an explosion-proof oil plug 2 is installed at the top of the case 1, a meter reading dial 3 is installed inside the case 1, a meter movement assembly 4 is installed between the meter reading dial 3 and the case 1, a spring tube 5 is installed outside the meter movement assembly 4, the meter movement assembly 4 is fixed on the case 1 through a fixing screw 6, a pointer 7 is installed on the meter reading dial 3, a sealing ring 8 is installed on one side of the meter reading dial 3 far away from the case 1, a window glass 9 is arranged on the sealing ring 8, a cover ring 10 is arranged outside the window glass 9, a joint 11 is installed on the meter movement assembly 4, and the joint 11 is connected with the case 1 through a sealing O-ring 12.

As an improvement, the case 1 and the instrument deck assembly 4 are connected by two set screws 6, the screw connection being more secure.

As an improvement, the fixing screw 6 connects the case 1, the instrument deck assembly 4 and the joint 11, and the combination is more fastened by penetrating the above parts through the fixing screw.

As an improvement, the window glass 9 and the sealing ring 8 are in interference fit, the sealing ring is self-elastic, the smoothness of the interference fit can be ensured, and the tightness is ensured.

As an improvement, the sealing ring 8 and the cover ring 10 are in interference fit, the sealing ring is self-elastic, the smoothness of the interference fit can be ensured, and the tightness is ensured.

As an improvement, the watchcase 1, the dial 3, the sealing ring 8, the window glass 9 and the cover ring 10 are concentric circle parts, and the concentric circle structure ensures that the whole pressure gauge can normally operate and the precision is not influenced.

As an improvement, the pointer 7 is mounted on the meter movement assembly 4 with the meter reading dial 3 spaced, and the meter reading dial 3 is fixed on the meter movement assembly 4 by the dial fixing bolts 13.

Wherein the case 1, the instrument core assembly 4 and the joint 11 are assembled in the same vertical direction, an axial mounting solution is possible for most mounting environments of use.

Example two

As shown in fig. 5, a radial fire-fighting pressure gauge comprises a case 1, and is characterized in that: the meter case is characterized in that the meter case 1 is internally provided with a meter support 14, a gasket 15 and a movement assembly 16 are arranged on the meter support, a spring tube 17 is arranged between the meter support 14 and the movement assembly 16, the end part of the meter case 1 is provided with a meter reading dial 3, the movement assembly 16 is fixed on the meter reading dial 3 through an M3 fixing screw 18, the meter reading dial 3 is provided with a pointer 7, one side, far away from the meter case 1, of the meter reading dial 3 is provided with a sealing ring 8, the sealing ring 8 is provided with a window glass 9, and the outer side of the window glass 9 is provided with a cover ring 10.

As shown in fig. 7, the assembly directions of the instrument support 14, the movement assembly 16 and the spring tube 17 are perpendicular to each other, and finally, the fire-fighting pressure gauge of the embodiment can be used as a radial installation scheme to adapt to the environmental requirements of different installations.

To sum up, this novel manometer is to different service environment, designs radial and the different scheme of axial, and the perspective of security personnel is in the front vertically observation angle all the time in the in-service use environment of being convenient for.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (7)

1. Fire control manometer, including watchcase (1), its characterized in that: the utility model provides an explosion-proof oil plug (2) is installed at watchcase (1) top, watchcase (1) internally mounted has reading table calibrated scale (3), install instrument core subassembly (4) between reading table calibrated scale (3) and watchcase (1), spring pipe (5) are installed in instrument core subassembly (4) outside, instrument core subassembly (4) are fixed on watchcase (1) through set screw (6), install pointer (7) on reading table calibrated scale (3), one side that watchcase (1) was kept away from to reading table calibrated scale (3) is installed sealing washer (8), be equipped with window glass (9) on sealing washer (8), window glass (9) outside is equipped with cage ring (10), install joint (11) on instrument core subassembly (4), joint (11) are connected through sealed O type circle (12) and watchcase (1).

2. The fire pressure gauge of claim 1, wherein: the watch case (1) and the instrument movement assembly (4) are connected through two fixing screws (6).

3. The fire pressure gauge of claim 1, wherein: the fixing screw (6) is connected with the watchcase (1), the instrument movement assembly (4) and the joint (11).

4. The fire pressure gauge of claim 1, wherein: and the window glass (9) and the sealing ring (8) are in interference fit.

5. The fire pressure gauge of claim 1, wherein: the sealing ring (8) and the cover ring (10) are in interference fit.

6. The fire pressure gauge of claim 1, wherein: the watch case (1), the reading meter dial (3), the sealing ring (8), the window glass (9) and the cover ring (10) are concentric round parts.

7. The fire pressure gauge of claim 1, wherein: the pointer (7) is arranged on the instrument core assembly (4) at intervals, and the reading meter dial (3) is fixed on the instrument core assembly (4) through a dial fixing bolt (13).