Pressure measuring tool for heating water tank

Abstract

The utility model discloses a pressure measuring tool for a heating water tank. The pressure measuring tool comprises a pressure measuring plate, the pressure measuring plate is provided with an inner sealing groove and an outer sealing groove which are coaxial, an inner sealing ring and an outer sealing ring are installed in the inner sealing groove and the outer sealing groove respectively, and a circle of fixing holes distributed around the center circumference of the pressure measuring plate are formed between the inner sealing groove and the outer sealing groove. The distance between the fixing hole and the center of the pressure measuring plate is equal to the distance between the threading hole and the center of the bottom plate, and the pressure measuring plate is further provided with an outer protruding ring which is located on the outer side of the outer sealing groove. The pressure measuring tool for the heating water tank is reasonable in structural design, the pressure measuring plate can be fixed on the bottom plate of the water tank shell through the bolt, the outer convex ring on the pressure measuring plate plays a role in outer sealing, and meanwhile, a double-ring sealing structure formed by the inner sealing ring and the outer sealing ring can better ensure that leakage does not occur during pressure testing, so that the pressure measuring tool is convenient to use. And the sealing effect is better, and the application prospect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of testing fixture, and relates to a heating water tank pressure measuring tool for plugging the heat dissipation hole. BACKGROUND

[0002] Industrial heating water tank is also called industrial water heater, which is a large water heating device heated by industrial fuel. The industrial heating water tank is generally made of stainless steel material, and its internal structure is relatively complex. It is generally composed of multiple components combined and welded. The industrial heating water tank heats water to produce steam, which greatly increases the pressure in the water tank. At this time, if the welding gap leaks, the sealing performance is poor, which will greatly affect the product performance. At the same time, the over-heated steam from the gap exists a safety hazard. Therefore, after the industrial heating water tank is processed, it needs to be tested for pressure. Due to the need for heat dissipation, the bottom surface of the industrial heating water tank is often provided with multiple heat dissipation holes. The heat dissipation hole is a light hole, and it is difficult to directly plug the heat dissipation hole with screws during pressure testing, which to some extent affects the pressure testing of the industrial heating water tank.

[0003] Therefore, it is of great practical significance to develop a heating water tank pressure measuring tool for plugging the heat dissipation hole with good applicability. CONTENT OF THE UTILITY MODEL

[0004] Due to the above-mentioned defects of the prior art, the utility model provides a heating water tank pressure measuring tool for plugging the heat dissipation hole with good applicability to solve the problem that the heat dissipation hole of the water tank bottom plate is difficult to plug during pressure testing of the current heating water tank.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A heating water tank pressure measuring tool, the heating water tank includes a water tank shell, a plurality of densely distributed heat dissipation holes are opened in the center of the bottom plate of the water tank shell, a circle of screw holes and a plurality of threading holes are opened on the bottom plate and distributed around the center circumference of the bottom plate, the spacing between the threading hole and the center of the bottom plate is equal to the spacing between the screw hole and the center of the bottom plate, and a pressure measuring plate is included.

[0007] The pressure measuring plate is provided with coaxial inner sealing groove and outer sealing groove, inner sealing ring and outer sealing ring are respectively installed in the inner sealing groove and the outer sealing groove, a circle of fixing holes are opened between the inner sealing groove and the outer sealing groove and distributed around the center circumference of the pressure measuring plate, the spacing between the fixing hole and the center of the pressure measuring plate is equal to the spacing between the threading hole and the center of the bottom plate, and the pressure measuring plate is further provided with an outer convex ring located outside the outer sealing groove.

[0008] The heating water tank pressure measurement tool has reasonable structure, the pressure measurement plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure measurement plate plays an outer sealing role, meanwhile, the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure testing, the sealing effect is better, and the tool has great application prospect.

[0009] As a preferred technical solution:

[0010] The heating water tank pressure measurement tool has reasonable structure, the pressure measurement plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure measurement plate plays an outer sealing role, meanwhile, the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure testing, the sealing effect is better, and the tool has great application prospect.

[0011] The heating water tank pressure measurement tool has reasonable structure, the pressure measurement plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure measurement plate plays an outer sealing role, meanwhile, the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure testing, the sealing effect is better, and the tool has great application prospect.

[0012] The heating water tank pressure measurement tool has reasonable structure, the pressure measurement plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure measurement plate plays an outer sealing role, meanwhile, the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure testing, the sealing effect is better, and the tool has great application prospect.

[0013] The heating water tank pressure measurement tool has reasonable structure, the pressure measurement plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure measurement plate plays an outer sealing role, meanwhile, the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure testing, the sealing effect is better, and the tool has great application prospect.

[0014] The heating water tank pressure measurement tool has reasonable structure, the pressure measurement plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure measurement plate plays an outer sealing role, meanwhile, the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure testing, the sealing effect is better, and the tool has great application prospect.

[0015] The heating water tank pressure measurement tool has reasonable structure, the pressure measurement plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure measurement plate plays an outer sealing role, meanwhile, the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure testing, the sealing effect is better, and the tool has great application prospect.

[0016] The heating water tank pressure measurement tool has reasonable structure, the pressure measurement plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure measurement plate plays an outer sealing role, meanwhile, the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure testing, the sealing effect is better, and the tool has great application prospect.

[0017] The heating water tank pressure measurement tool has reasonable structure, the pressure measurement plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure measurement plate plays an outer sealing role, meanwhile, the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure testing, the sealing effect is better, and the tool has great application prospect.

[0018] Compared with the prior art, the above-mentioned utility model has the following advantages or beneficial effects:

[0019] The heating water tank pressure measurement tool has reasonable structure design, the pressure measurement plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure measurement plate plays an outer sealing role, meanwhile, the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure measurement, the sealing effect is better, and the application prospect is excellent. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model and its features, shape and advantages will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings. The same reference signs indicate the same parts throughout the drawings. The drawings can not be drawn to scale, the emphasis being on illustrating the principle of the utility model.

[0021] Figure 1 It is a structure schematic view of heating water tank;

[0022] Figure 2 It is a bottom plate plan view of heating water tank;

[0023] Figure 3 It is a three-dimensional schematic view of heating water tank pressure measurement tool of the utility model;

[0024] Figure 4 It is a plan view of heating water tank pressure measurement tool of the utility model;

[0025] Among them, 1 is water tank shell bottom plate, 11 is heat dissipation hole, 12 is screw hole, 13 is threading hole, 2 is pressure measurement plate, 21 is inner sealing groove, 22 is outer sealing groove, 23 is fixing hole, 24 is outer convex ring. DETAILED DESCRIPTION

[0026] The structure of the utility model will be further described below in combination with the drawings and specific embodiments, but not as the limitation of the utility model.

[0027] The heating water tank as shown in Figure 1 And 2 It includes water tank shell, the center of water tank shell bottom plate 1 is provided with multiple densely distributed heat dissipation holes 11, a circle of screw holes 12 and multiple threading holes 13 are opened on the bottom plate 1 and are distributed around the center circumference of the bottom plate, the spacing between threading hole 13 and the center of the bottom plate is equal to the spacing between screw hole 12 and the center of the bottom plate.

[0028] Example 1

[0029] A kind of heating water tank pressure measurement tool, as shown in Figure 3 And 4 It includes pressure measurement plate 2;

[0030] The pressure plate 2 is provided with coaxial inner sealing groove 21 and outer sealing groove 22, the inner sealing groove 21 and the outer sealing groove 22 are respectively provided with inner sealing ring and outer sealing ring, a circle of fixing holes 23 are distributed around the center of the pressure plate between the inner sealing groove 21 and the outer sealing groove 22, the distance between the fixing holes 23 and the center of the pressure plate 2 is equal to the distance between the threading hole 13 and the center of the bottom plate, the pressure plate 2 is further provided with an outer convex ring 24 which is located outside the outer sealing groove 22;

[0031] The pressure plate 2 is fixedly connected with the bottom plate of the water tank shell through bolts, the bolts pass through the fixing holes 23 and are threadedly connected with the screw holes, the outer convex ring 24 is tightly attached to the bottom plate of the water tank shell, the heat dissipation holes 11, the screw holes 12 and the threading hole 13 are all located in the outer convex ring 24, the multiple densely distributed heat dissipation holes 11 are located in the inner sealing ring, and the screw holes 12 and the threading hole 13 are located between the outer sealing ring and the inner sealing ring.

[0032] The use steps of the above heating water tank pressure testing tool are as follows:

[0033] The inner sealing ring and the outer sealing ring are respectively installed in the inner sealing groove and the outer sealing groove, then the pressure plate can be fixed on the bottom plate of the water tank shell through bolts, and the heating water tank is inflated to pressurize and perform pressure testing, at this time, the outer convex ring, the outer sealing ring and the inner sealing ring cooperate to better ensure that no leakage occurs during pressure testing, and the sealing effect is better, and the internal pressure of the heating water tank is generally lower than 6kg, the above device can meet the use requirement, and application of the tool can save the time of the inspection personnel and improve the work efficiency.

[0034] In summary, the application provides a heating water tank pressure testing tool, which has a reasonable structure design, the pressure plate can be fixed on the bottom plate of the water tank shell through bolts, the outer convex ring on the pressure plate plays an outer sealing role, and the double-ring sealing structure composed of the inner sealing ring and the outer sealing ring can better ensure that no leakage occurs during pressure testing, and the sealing effect is better, which has a good application prospect.

[0035] Those skilled in the art should understand that those skilled in the art can realize the variant examples in combination with the prior art and the above-mentioned embodiments, which are not described here. Such variant examples do not affect the essential content of the application, which is not described here.

[0036] The preferred embodiments of the present application are described above. It should be understood that the present application is not limited to the specific embodiments described above, wherein the devices and structures not described in detail should be understood as being implemented in the ordinary way in the art; any person skilled in the art, without departing from the scope of the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application by using the disclosed methods and technical contents, or modify equivalent embodiments, which does not affect the essential content of the present application. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the content of the technical scheme of the present application, still belongs to the scope of protection of the technical scheme of the present application.

Claims

1. A heating water tank pressure testing tool, the heating water tank comprising a tank shell, a plurality of closely distributed heat dissipation holes are opened in the center of the bottom plate of the tank shell, a circle of screw holes and a plurality of threading holes are opened on the bottom plate, the spacing between the threading holes and the center of the bottom plate is equal to the spacing between the screw holes and the center of the bottom plate, characterized in that: The pressure plate comprises a pressure plate; The pressure plate is provided with coaxial inner sealing groove and outer sealing groove, and the inner sealing ring and outer sealing ring are respectively arranged in the inner sealing groove and outer sealing groove.

2. The heating water tank pressure measurement tool according to claim 1, wherein, The pressure plate and the bottom plate of the water tank shell are fixedly connected by bolts, and the bolts are screwed into the screw holes after passing through the fixing holes.

3. The water heating tank pressure testing tool of claim 2, wherein, The outer convex ring is in close contact with the bottom plate of the water tank shell.

4. The heating water tank pressure measurement tool according to claim 2, wherein, The heat dissipation holes, screw holes and threading holes are located in the outer convex ring.

5. The water heating tank pressure testing tool of claim 4, wherein, A plurality of densely distributed heat dissipation holes are located in the inner sealing ring.

6. The water heating tank pressure testing tool of claim 4, wherein, The screw holes and threading holes are located between the outer sealing ring and the inner sealing ring.

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