Stamping fire grate with staggered buckles at junctions

Abstract

The stamping fire grate comprises an upper plate portion and a lower plate portion, a plurality of intersecting fasteners are fixedly connected to one side of a first connecting strip, gaps are formed among the intersecting fasteners, a ventilation cavity is fixedly formed in the inner side surface of the lower plate portion, and the upper plate portion and the lower plate portion are fixedly connected with the upper plate portion and the lower plate portion. The ventilation cavity extends into the protruding part, the staggered fastener is inserted into a gap of the crossed fastener through the arranged first connecting strip, the crossed fastener, the second connecting strip and the staggered fastener, subsequent shearing at the position is facilitated through connection of the staggered fastener and the crossed fastener, meanwhile, folding between the upper plate part and the lower plate part is facilitated, and the upper plate part and the lower plate part can be conveniently folded. And meanwhile, the upper plate part and the lower plate part can be accurately controlled to be folded and equally divided.

Description

Technical Field

[0001] The utility model belongs to the technical field of sheet metal stamping dies, and in particular relates to a stamping fire bar with staggered buckles at the junction. Background Art

[0002] The working principle of a gas water heater is to heat the water that continuously passes through the coil through combustion, so as to heat the cold water to the required temperature. There is a core component in the gas water heater called a fire grate, which is used to fully mix the gas and air, burn the gas, and transfer the heat generated by the combustion to the heat exchanger. The material of the fire grate is generally a high-temperature resistant metal stamping, which can meet the complex shape requirements of the fire grate itself.

[0003] The existing stamped fire grate itself also has a cavity that is basically mirror-symmetrical. This cavity is difficult to punch out in one go. For this reason, we propose a stamped fire grate with staggered buckles at the junction. Utility Model Content

[0004] The utility model aims to provide a stamped fire grate with staggered buckles at the junction, so as to solve the problem in the above background technology that the existing stamped fire grate is difficult to complete in one time during stamping.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stamped fire bar with staggered buckles at the junction, comprising an upper plate portion and a lower plate portion, a lower plate portion is provided below the upper plate portion, the upper plate portion and the lower plate portion have the same structure, a protrusion is provided on the top of the upper plate portion, a flame outlet is provided on one side of the upper plate portion, an air duct is provided on the inner side of the flame outlet, a first connecting strip is provided on the outer side of the upper plate portion, a fastener is provided on one side of the first connecting strip, a ventilation cavity is provided on the inner side of the lower plate portion, a second connecting strip is provided on the outer side of the lower plate portion, and a staggered fastener is provided on one side of the second connecting strip.

[0006] Preferably, a protrusion is fixedly connected to the top surface of the upper plate portion, and a flame vent is fixedly connected to one side of the upper plate portion.

[0007] Preferably, an air passage is fixedly opened on the inner side of the blast port, and a plurality of air passages are provided. A first connecting strip is fixedly connected to the outer edge of the upper plate portion.

[0008] Preferably, a fastening piece is fixedly connected to one side of the first connecting strip, and a plurality of the fastening pieces are provided with gaps between the fastening pieces. A ventilation cavity is fixedly opened on the inner surface of the lower plate portion, and the ventilation cavity extends to the interior of the raised portion.

[0009] Preferably, the outer edge of the lower plate portion is fixedly connected with a second connecting strip, one side of the second connecting strip is fixedly connected with a fastener, a plurality of the fasteners are provided, and gaps are provided between the fasteners.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] By means of the first connecting strip, the interlocking piece, the second connecting strip and the wrong fastener, the wrong fastener is inserted into the gap of the interlocking piece, and the connection between the wrong fastener and the interlocking piece facilitates subsequent cutting at this point, and at the same time facilitates the folding of the upper plate part and the lower plate part, and facilitates the subsequent folding process. At the same time, the upper plate part and the lower plate part can also be folded into equal parts with precise control. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the top structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the structure between the upper plate part and the lower plate part of the utility model.

[0015] In the figure: 1, upper plate; 2, lower plate; 3, raised portion; 4, flame-throwing port; 5, air duct; 6, first connecting strip; 7, cross-fastening piece; 8, ventilation cavity; 9, second connecting strip; 10, cross-fastening piece. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model provides a technical solution: a stamped fire bar with staggered buckles at the junction, comprising an upper plate portion 1 and a lower plate portion 2, a lower plate portion 2 is provided below the upper plate portion 1, the upper plate portion 1 and the lower plate portion 2 have the same structure, a raised portion 3 is provided on the top of the upper plate portion 1, a flame outlet 4 is provided on one side of the upper plate portion 1, an air duct 5 is provided on the inner side of the flame outlet 4, a first connecting strip 6 is provided on the outer side of the upper plate portion 1, a fastening piece 7 is provided on one side of the first connecting strip 6, a ventilation cavity 8 is provided on the inner side of the lower plate portion 2, a second connecting strip 9 is provided on the outer side of the lower plate portion 2, and a staggered fastener 10 is provided on one side of the second connecting strip 9.

[0018] Specifically, a raised portion 3 is fixedly connected to the top surface of the upper plate portion 1, a flamethrower 4 is fixedly connected to one side of the upper plate portion 1, an air duct 5 is fixedly opened on the inner side of the flamethrower 4, and a plurality of air ducts 5 are provided; a first connecting strip 6 is fixedly connected to the outer edge of the upper plate portion 1, a fastening piece 7 is fixedly connected to one side of the first connecting strip 6, and a plurality of fastening pieces 7 are provided, and gaps are provided between the fastening pieces 7; a ventilation cavity 8 is fixedly opened on the inner surface of the lower plate portion 2, and the ventilation cavity 8 extends to the inside of the raised portion 3; a second connecting strip 9 is fixedly connected to the outer edge of the lower plate portion 2, a fastening piece 10 is fixedly connected to one side of the second connecting strip 9, and a plurality of fastening pieces 10 are provided, and gaps are provided between the fastening pieces 10.

[0019] In this embodiment, the outer edge of the upper plate portion 1 is fixedly connected with a first connecting strip 6 and a fastener 7, and the outer edge of the lower plate portion 2 is fixedly connected with a second connecting strip 9 and a cross-fastener 10, and a certain gap is respectively provided between the cross-fastener 7 and the cross-fastener 10. When the upper plate portion 1 and the lower plate portion 2 are merged and sealed, the cross-fastener 10 is inserted into the gap of the fastener 7 and then connected. The connection between the cross-fastener 10 and the fastener 7 facilitates subsequent cutting at this point, and at the same time facilitates folding the upper plate portion 1 and the lower plate portion 2, thereby facilitating the subsequent folding process between the upper plate portion 1 and the lower plate portion 2, and at the same time, the upper plate portion 1 and the lower plate portion 2 can be precisely controlled to be folded equally, so as to facilitate the connection between the upper plate portion 1 and the lower plate portion 2.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stamped fire bar with staggered buckles at the junction, comprising an upper plate portion and a lower plate portion, characterized in that: A lower plate portion is provided below the upper plate portion, and the upper plate portion and the lower plate portion have the same structure. A protrusion is provided on the top of the upper plate portion, a flame vent is provided on one side of the upper plate portion, an air duct is provided on the inner side of the flame vent, a first connecting strip is provided on the outer side of the upper plate portion, a fastener is provided on one side of the first connecting strip, a ventilation cavity is provided on the inner side of the lower plate portion, a second connecting strip is provided on the outer side of the lower plate portion, and a fastener is provided on one side of the second connecting strip.

2. A stamped fire bar with staggered buckles at the junction according to claim 1, characterized in that: A protrusion is fixedly connected to the top surface of the upper plate portion, and a flame-spraying port is fixedly connected to one side of the upper plate portion.

3. A stamped fire bar with staggered buckles at the junction according to claim 1, characterized in that: An air passage is fixedly opened on the inner side of the flame-spraying port, and a plurality of the air passages are provided.

4. A stamped fire bar with staggered buckles at the junction according to claim 1, characterized in that: The outer edge of the upper plate portion is fixedly connected with a first connecting strip, and one side of the first connecting strip is fixedly connected with a fastening piece.

5. A stamped fire bar with staggered buckles at the junction according to claim 1, characterized in that: There are a plurality of the fastening parts, and gaps are provided between the fastening parts.

6. A stamped fire bar with staggered buckles at the junction according to claim 1, characterized in that: A ventilation cavity is fixedly opened on the inner surface of the lower plate portion, and the ventilation cavity extends to the interior of the raised portion.

7. A stamped fire bar with staggered buckles at the junction according to claim 1, characterized in that: The outer edge of the lower plate portion is fixedly connected with a second connecting strip, and one side of the second connecting strip is fixedly connected with a fastener.

8. A stamped fire bar with staggered buckles at the junction according to claim 1, characterized in that: There are a plurality of the fastening members, and gaps are provided between the fastening members.

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