CN217978856U

CN217978856U - Cigarette box door swing mechanism

Info

Publication number: CN217978856U
Application number: CN202222317229.0U
Authority: CN
Inventors: 杨世仿; 宋若鸿; 李逸辰; 田新稳
Original assignee: Henan Force Heat Energy Equipment Manufacturing Co ltd
Current assignee: Henan Force Heat Energy Equipment Manufacturing Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-06
Anticipated expiration: 2032-08-29

Abstract

The utility model provides a smoke box door swing mechanism, which relates to the technical field of boiler equipment and comprises an upper fixed seat and a lower fixed seat which are respectively fixedly connected with a boiler body, wherein a door shaft is inserted between the upper fixed seat and the lower fixed seat, the door shaft is provided with a rod part which runs through the upper fixed seat and the lower fixed seat and a head part which is integrally connected with the upper end of the rod part, the outer part of the door shaft is rotatably connected with a shaft sleeve, and the shaft sleeve is fixedly connected with a smoke box door through a connecting plate; go up fixing base and lower fixing base and pass through panel and furnace body fixed connection respectively, greatly improved the rigidity of door-hinge, guaranteed not slope, do not hang down in the smoke box door-opening and closing process, on the other hand, thrust bearing is equipped with to the door-hinge lower part for the switch door is light very much, has both guaranteed good thermal insulation performance, has also realized the light of switch door.

Description

Cigarette box door slewing mechanism

Technical Field

The utility model relates to a boiler equipment technical field specifically is a smoke box door rotation mechanism.

Background

The smoke box is a turning channel of a smoke flow path of the fuel oil and gas boiler and is also an important window for checking, overhauling and cleaning an internal structure and a heating surface, so the smoke box is required to be arranged into a door opening mechanism to periodically check the condition in the smoke box and the condition of the heating surface. However, because high-temperature flue gas is in the smoke box, the requirements on heat insulation and sealing performance are very high, the smoke box door has good heat insulation performance only by reaching a certain thickness of a fire-resistant layer and a certain thickness of a heat insulation layer, but the smoke box door is heavy, the design of the rotary hinge device is not good, the smoke box door is difficult to open and close, the door plate is not inclined or sags after being opened, the smoke box is difficult to open, and great inconvenience is caused for closing the door again.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a smoke box door rotation mechanism aims at solving the more heaviness of smoke box door of boiler among the prior art, opens the easy slope of back chamber door or flagging problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a smoke box door rotation mechanism, includes respectively with furnace body fixed connection's last fixing base and lower fixing base go up the fixing base and down the cartridge has the door-hinge between the fixing base, the door-hinge has the pole portion and the head of an organic whole connection in pole portion upper end of running through fixing base and lower fixing base the outside rotatable axle sleeve that is connected with of door-hinge, the axle sleeve passes through connecting plate fixedly connected with smoke box door.

The further technical proposal of the utility model is that the upper fixing seat and the lower fixing seat are respectively fixedly connected with the furnace body through a panel.

The utility model discloses a further technical scheme does install thrust bearing between the lower extreme of axle sleeve and the lower fixing base, the thrust bearing suit is in the outside of door-hinge.

The utility model discloses a further technical scheme does, the smoke box door is including the first guard plate that is located the furnace body outside, the inboard of first guard plate is provided with first heat preservation, the fixed second guard plate that is provided with of opposite side on first heat preservation, the opposite side of second guard plate is provided with the second heat preservation, the opposite side of second heat preservation is provided with the third heat preservation.

The further technical proposal of the utility model is that the first heat preservation layer is an aluminum silicate needled blanket.

The further technical proposal of the utility model is that the second heat preservation layer adopts an aluminum silicate needled blanket.

The utility model discloses a further technical scheme does, the third heat preservation is fire-resistant concrete.

The utility model discloses a further technical scheme does, the edge of second guard plate is equipped with the preformed hole, supplies the bolt to pass, makes fixedly between smoke box door and the furnace body.

The beneficial effects of the utility model are that:

the utility model discloses a lead to the axle design, can be according to the size of smoke box door, use the door-hinge of different diameters and length, go up the fixing base and pass through panel and furnace body fixed connection respectively with lower fixing base, greatly improved the rigidity of door-hinge, guarantee that smoke box door-switch in-process does not incline, does not hang down, on the other hand, thrust bearing is equipped with to the door-hinge lower part for the switch door is light very much, has both guaranteed good thermal insulation performance, has also realized the light of switch door.

Drawings

FIG. 1 is a schematic sectional view of the rear end of the furnace body of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a partial front view structure of the rear end face of the furnace body of the present invention;

FIG. 4 is a front view of the door shaft of the present invention;

fig. 5 is a schematic structural view of the cigarette box door of the present invention.

In the figure: 100. a furnace body; 110. an upper fixed seat; 120. a lower fixed seat; 130. a door shaft; 131. a rod portion; 132. a head portion; 140. a shaft sleeve; 150. a connecting plate; 160. a smoke box door; 161. a first guard plate; 162. a first insulating layer; 163. a second guard plate; 164. a second insulating layer; 165. a third insulating layer; 166. reserving a hole; 170. a panel; 180. and a thrust bearing.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 5, the cigarette box door swing mechanism includes an upper fixing base 110 and a lower fixing base 120 fixedly connected to the oven body 100, respectively, a door shaft 130 is inserted between the upper fixing base 110 and the lower fixing base 120, the door shaft 130 has a rod portion 131 penetrating the upper fixing base 110 and the lower fixing base 120 and a head portion 132 integrally connected to the upper end of the rod portion 131 (refer to fig. 4), a shaft sleeve 140 is rotatably connected to the outside of the door shaft 130, the shaft sleeve 140 is fixedly connected to the cigarette box door 160 through a connecting plate 150, it should be emphasized that a through hole for the rod portion 131 to penetrate is formed at a position corresponding to the upper fixing base 110 and the lower fixing base 120, the diameter of the head portion 132 is larger than the diameters of the rod portion 131 and the through hole, and after the cigarette box door 160 is closed, it is preferably fastened to the rear end of the oven body 100 by bolts.

In this embodiment, the upper fixing base 110 and the lower fixing base 120 are respectively fixedly connected to the furnace body 100 through a panel 170.

In another embodiment of the present invention, a thrust bearing 180 is installed between the lower end of the shaft sleeve 140 and the lower fixing base 120, and the thrust bearing 180 is installed outside the door shaft 130.

The utility model discloses a lead to the axle design, can be according to the size of cigarette chamber door 160, use the door-hinge 130 of different diameters and length, go up fixing base 110 and lower fixing base 120 respectively through panel 170 and furnace body 100 fixed connection, greatly improved the rigidity of door-hinge 130, guarantee that the cigarette chamber door 160 switch in-process does not incline, do not hang down, on the other hand, thrust bearing 180 is equipped with to door-hinge 130 lower part, make the switch door light very much, good thermal insulation performance has both been guaranteed, the light of switch door has also been realized.

In order to improve the heat preservation and sealing performance of the rear smoke box and avoid the high-temperature scalding accident or heat loss problem of the smoke box door;

as shown in fig. 5, the smoke box door 160 includes a first protection plate 161 located outside the furnace body 100, a first thermal insulation layer 162 is disposed inside the first protection plate 161, a second protection plate 163 is fixedly disposed on the other side of the first thermal insulation layer 162, a second thermal insulation layer 164 is disposed on the other side of the second protection plate 163, and a third thermal insulation layer 165 is disposed on the other side of the second thermal insulation layer.

Preferably, the first thermal insulation layer 162 is an aluminum silicate needle-punched blanket, which has low thermal conductivity, good thermal insulation performance, and high temperature resistance.

Preferably, the second insulating layer 164 is made of an aluminum silicate needle-punched felt.

Preferably, the third insulating layer 165 is made of refractory concrete, and has the functions of fire resistance, heat preservation and flue gas erosion prevention.

Specifically, a reserved hole 166 is formed at an edge of the second protection plate 163, and a bolt passes through the reserved hole, so that the smoke box door 160 and the furnace body are fixed.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a cigarette box door rotation mechanism which characterized in that: the furnace body fixing device comprises an upper fixing seat and a lower fixing seat which are fixedly connected with a furnace body respectively, a door shaft is inserted between the upper fixing seat and the lower fixing seat, the door shaft is provided with a rod part penetrating through the upper fixing seat and the lower fixing seat and a head part integrally connected to the upper end of the rod part, a shaft sleeve is rotatably connected to the outer part of the door shaft, and the shaft sleeve is fixedly connected with a smoke box door through a connecting plate.

2. The cigarette box door rotating mechanism according to claim 1, wherein the upper fixing seat and the lower fixing seat are respectively fixedly connected with the oven body through a panel.

3. The cigarette box door rotating mechanism according to claim 1, wherein a thrust bearing is installed between the lower end of the shaft sleeve and the lower fixed seat, and the thrust bearing is sleeved outside the door shaft.

4. The cigarette box door slewing mechanism according to any one of claims 1 to 3, wherein the cigarette box door comprises a first protection plate positioned outside the furnace body, a first heat preservation layer is arranged on the inner side of the first protection plate, a second protection plate is fixedly arranged on the other side of the first heat preservation layer, a second heat preservation layer is arranged on the other side of the second protection plate, and a third heat preservation layer is arranged on the other side of the second heat preservation layer.

5. The cigarette box door rotating mechanism according to claim 4, wherein the first heat preservation layer is an aluminum silicate needle punched blanket.

6. The cigarette box door rotating mechanism as claimed in claim 4, wherein the second insulation layer is made of an aluminum silicate needle-punched blanket.

7. The cigarette box door slewing mechanism according to claim 4, wherein the third insulating layer is refractory concrete.

8. The cigarette box door rotating mechanism according to claim 4, wherein the second protection plate has a predetermined hole at the edge for passing a bolt to fix the cigarette box door to the oven body.