Expansion tank fixing structure for heating boilers

Abstract

This utility model discloses a fixing structure for an expansion tank in a heating boiler. The expansion tank has an elliptical columnar structure, with the length of the major axis of the ellipse parallel to the height of the heating boiler. A ring of protruding mounting reinforcing ribs is provided near the middle of the annular sidewall. Both sides of the expansion tank are equipped with tank fixing devices. Each fixing device has a concave arc-shaped structure matching the corresponding part of the expansion tank, extending downwards from the outermost ends of both sides of the expansion tank. On the facing inner surfaces, grooves are provided at the positions corresponding to the mounting reinforcing ribs. Each groove extends arc-shaped along the corresponding part of the mounting reinforcing rib. An expansion tank fixing plate is provided on the upper part of the expansion tank. The expansion tank fixing plate includes an expansion tank support extending downwards along the side of the expansion tank facing away from the back plate. This utility model simplifies the fixing structure of the expansion tank in a heating boiler, reducing material processing costs and assembly steps.

Description

Technical Field

[0001] This utility model relates to the field of manufacturing technology of heating furnaces, and in particular to a fixing structure for an expansion tank used in a heating furnace. Background Technology

[0002] An expansion tank is a water storage component commonly used in heating boilers.

[0003] In the prior art, the fixing structure of the expansion tank usually includes left and right side beams and a crossbeam in the middle. The side beams and crossbeams form a frame-like fixing grid inside the heating furnace shell, and the fixing grid is then fixed to the expansion tank by welding or bolting.

[0004] The aforementioned existing technologies have a large number of parts in practical applications, and the assembly steps are complicated, making it easy to make assembly errors. In addition, operating the machinery is labor-intensive.

[0005] Therefore, how to simplify the structure, reduce material processing costs, and decrease assembly steps has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0006] In view of the above-mentioned defects of the prior art, the present invention provides an expansion tank fixing structure for a heating boiler, the purpose of which is to simplify the fixing structure of the expansion tank in the heating boiler, reduce material processing costs and reduce assembly steps.

[0007] To achieve the above objectives, this utility model discloses an expansion tank fixing structure for a heating furnace, used to fix the expansion tank tightly against the back plate of the heating furnace.

[0008] The expansion tank has an elliptical cylindrical structure, with the length of the ellipse's major axis parallel to the height of the heating furnace. A ring of protruding reinforcing ribs is provided near the center of the annular sidewall.

[0009] Both sides of the expansion tank are equipped with tank fixing devices;

[0010] Both of the aforementioned water tank fixing devices have an inwardly concave arc-shaped structure that matches the corresponding part of the expansion water tank. They extend downward from the outermost ends on both sides of the expansion water tank, and the inner surfaces facing each other have grooves at the positions corresponding to the assembly reinforcing ribs.

[0011] Each of the grooves extends in an arc along the corresponding part of the assembly reinforcing rib;

[0012] An expansion tank fixing plate is provided on the upper end of the expansion tank;

[0013] The expansion tank fixing plate includes an expansion tank bracket extending downward along the side of the expansion tank facing away from the back plate.

[0014] Preferably, the cross-section of the assembly reinforcing rib is a convex semi-circle;

[0015] The bottom of the cross-section of each groove is an inwardly recessed semicircle that matches the assembly reinforcing rib.

[0016] Preferably, the expansion tank fixing plate is fixed to the back plate and the expansion tank bracket by bolts;

[0017] The expansion tank bracket is fixed to the expansion tank by welding.

[0018] Preferably, each of the water tank fixing devices is a folded plate structure formed by bending inward from the corresponding position of the back plate.

[0019] Preferably, the back panel is connected to the water channel assembly and the front panel via a snap-fit ​​connection.

[0020] The beneficial effects of this utility model are:

[0021] This invention simplifies the fixing structure of the expansion tank in a heating boiler, reducing material processing costs and assembly steps.

[0022] The following will further explain the concept, specific structure and technical effects of this utility model in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of this utility model. Attached Figure Description

[0023] Figure 1 A schematic diagram of the existing fixed expansion tank structure is shown.

[0024] Figure 2 A three-dimensional structural schematic diagram of an embodiment of the present invention is shown.

[0025] Figure 3 This diagram shows a structural schematic of the expansion tank facing away from the back plate in one embodiment of the present invention.

[0026] Figure 4 This diagram shows a structural schematic of an expansion tank whose lower part is fixed to the grooves on both sides in one embodiment of the present invention. Detailed Implementation

[0027] Example: Figures 2 to 4 As shown, the expansion tank fixing structure for the heating boiler is used to fix the expansion tank 1 tightly against the back plate 2 of the heating boiler.

[0028] The expansion tank 1 has an elliptical cylindrical structure, with the length of the major axis of the ellipse parallel to the height of the heating furnace. A ring of protruding assembly reinforcing ribs 11 is provided near the middle of the annular side wall.

[0029] Both sides of the expansion tank 1 are equipped with tank fixing devices 3;

[0030] Both water tank fixing devices 3 have an inwardly concave arc-shaped structure that matches the corresponding part of the expansion water tank 1. They extend downward from the outermost ends on both sides of the expansion water tank 1, and the inner sides facing each other have grooves 31 at the positions where the reinforcing ribs 11 are assembled.

[0031] Each groove 31 extends in an arc along the corresponding part of the assembly reinforcing rib 11;

[0032] An expansion tank fixing plate 4 is provided on the upper end of the expansion tank 1;

[0033] The expansion tank mounting plate 4 includes an expansion tank bracket 41 that extends downward along the side of the expansion tank 1 facing away from the back plate 2.

[0034] In practical applications, this invention reduces the number of parts originally used to fix the expansion tank in a heating boiler from eight to three, thereby reducing material processing costs and assembly steps.

[0035] In some embodiments, the cross-section of the assembly reinforcing rib 11 is a convex semi-circle;

[0036] The bottom of the cross-section of each groove 31 is an inwardly recessed semi-circle that matches the assembly reinforcing rib 11.

[0037] In some embodiments, the expansion tank fixing plate 4 is fixed to the back plate 2 and the expansion tank bracket 41 by bolts;

[0038] The expansion tank bracket 41 is fixed to the expansion tank 1 by welding.

[0039] In some embodiments, each water tank fixing device 3 is a folded plate structure formed by bending inward from the corresponding position of the back plate 2.

[0040] In some embodiments, the back panel 2 is connected to the water system assembly and the front panel by snap-fit.

[0041] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A fixing structure for an expansion tank in a heating boiler; characterized in that, Used to fix the expansion tank (1) tightly against the back plate (2) of the heating furnace; The expansion tank (1) has an elliptical columnar structure, and is arranged parallel to the height of the heating furnace, corresponding to the length of the major axis of the ellipse. A ring of protruding assembly reinforcing ribs (11) is provided on the annular side wall near the middle position. The expansion tank (1) is equipped with tank fixing devices (3) on both sides; Both of the water tank fixing devices (3) have an inwardly concave arc-shaped structure that matches the corresponding part of the expansion water tank (1). They extend downward from the outermost ends on both sides of the expansion water tank (1), and the inner sides facing each other have grooves (31) at the positions corresponding to the assembly reinforcing ribs (11). Each of the grooves (31) extends arcuately along the corresponding part of the assembly reinforcing rib (11); An expansion tank fixing plate (4) is provided on the upper end of the expansion tank (1); The expansion tank fixing plate (4) includes an expansion tank bracket (41) extending downward along the side of the expansion tank (1) facing away from the back plate (2).

2. The expansion tank fixing structure for a heating boiler according to claim 1, characterized in that, The cross-section of the assembly reinforcing rib (11) is an outwardly convex semi-circle; The bottom of the cross-section of each groove (31) is an inwardly concave semicircle that matches the assembly reinforcing rib (11).

3. The expansion tank fixing structure for a heating boiler according to claim 1, characterized in that, The expansion tank fixing plate (4) is fixed to the back plate (2) and the expansion tank bracket (41) by bolts; The expansion tank bracket (41) is fixed to the expansion tank (1) by welding.

4. The expansion tank fixing structure for a heating boiler according to claim 1, characterized in that, Each of the water tank fixing devices (3) is a folded plate structure formed by bending inward from the corresponding position of the back plate (2).

5. The expansion tank fixing structure for a heating boiler according to claim 1, characterized in that, The back panel (2) is connected to the water system assembly and the front panel by a snap fastener.

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