CN215523347U

CN215523347U - Improved rotary-closing type bolt positioning chimney

Info

Publication number: CN215523347U
Application number: CN202120697334.4U
Authority: CN
Inventors: 王忆凡; 黄伟
Original assignee: Tianjin Yunbai Environmental Equipment Manufacturing Co ltd
Current assignee: Tianjin Yunbai Environmental Equipment Manufacturing Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2022-01-14
Anticipated expiration: 2031-04-07

Abstract

The utility model relates to an improved rotary-closing type bolt positioning chimney which comprises an outer barrel and an inner barrel, wherein a gap is formed between the outer barrel and the inner barrel, a plurality of first limiting seats which are arranged at intervals and have equal arc lengths are arranged on the upper circumference of the inner side wall of the outer barrel, a second limiting seat which is in an annular structure is coaxially arranged at the bottom of the inner side wall of the outer barrel, and a plurality of first arc positioning seats which are arranged at intervals and have equal arc lengths are arranged on the upper circumference of the outer side wall of the inner barrel. The chimney fixing device is novel in structural design, the inner barrel body provided with the first arc-shaped positioning seat and the second arc-shaped positioning seat, the outer barrel body provided with the first limiting seat and the second limiting seat, the inner barrel body provided with the arc-shaped positioning groove and the bolt are matched, so that the inner barrel body and the outer barrel body can be conveniently and quickly assembled, the annular lifting plate provided with the first spring assembly and the second spring assembly is arranged between the second arc-shaped positioning seat and the second limiting seat, the problem that the chimney section is loosened due to thermal expansion and cold contraction is effectively solved, and the safe use of the chimney is further ensured.

Description

Improved rotary-closing type bolt positioning chimney

Technical Field

The utility model relates to the technical field of chimneys, in particular to an improved rotary-combined type bolt positioning chimney.

Background

The chimney is one of the oldest and most important anti-pollution devices, mainly has the functions of drawing fire and drawing smoke, discharging smoke, improving combustion conditions, is generally divided into brick masonry, iron, asbestos, ceramic and the like according to materials, and is mainly used for power plant power generation, industrial boiler heat energy combustion and the like at present by taking coal as fuel, so that a plurality of large and small chimneys can be seen in some industrial plants. The chimney is generally vertical or near vertical to ensure smooth flow of the gas. However, the existing chimney has the problem of inconvenient assembly, and the problem of easy loosening caused by thermal expansion and cold contraction of the chimney section causes that the safe use of the chimney cannot be ensured.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides an improved rotary-combined type bolt positioning chimney.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an improved rotary-closing type bolt positioning chimney comprises an outer barrel body and an inner barrel body coaxially arranged in the outer barrel body, a gap is arranged between the outer barrel body and the inner barrel body, the upper circumference of the inner side wall of the outer barrel body is provided with a plurality of limiting seats I which are arranged at intervals and have equal arc lengths, the bottom of the inner side wall of the outer barrel body is coaxially provided with a limiting seat II which is of an annular structure, the inner side walls of the limiting seats II and the inner side walls of the limiting seats I are both attached to the outer side wall of the inner barrel body, the upper circumference of the outer side wall of the inner barrel body is provided with a plurality of arc positioning seats I which are arranged at intervals and have equal arc lengths, the arc positioning seats I are positioned below the limiting seats I, the top end of the inner barrel body is coaxially and detachably provided with an installation barrel, a waterproof baffle is sleeved outside the installation barrel body and is positioned above the outer barrel body, the lower part of the outer side wall of the inner barrel body is provided with arc positioning seats II which correspond to the arc positioning seats one to one, and a plurality of arc positioning grooves are arranged on the outer side wall of the arc positioning seats II, the second arc-shaped positioning seat is located above the second limiting seat, an annular lifting plate is coaxially arranged above the second limiting seat, the annular lifting plate is sleeved outside the inner barrel and located below the second arc-shaped positioning seat, a convex shell which corresponds to the second arc-shaped positioning seat one to one and is provided with a downward opening is arranged on the annular lifting plate, a groove with an upward opening is formed in the annular lifting plate under the convex shell, a first spring assembly is fixedly connected between the bottom of the convex shell and the bottom of the groove, a guide groove for the annular lifting plate to move up and down is formed in the inner side wall of the outer barrel, a second spring assembly with a plurality of circumferentially distributed grooves is arranged between the annular lifting plate and the bottom surface in the guide groove, and a 7-shaped bolt inserted into the arc-shaped positioning groove is arranged on the upper surface of the annular lifting plate.

The upper surface of the waterproof baffle is arranged from inside to outside in an inclined and downward mode.

The installation cylinder and the waterproof baffle are of an integrated structure.

And a heat insulation cotton layer is arranged on the inner side wall of the inner cylinder body.

The top end of the inner barrel body is coaxially and fixedly connected with a connecting barrel, the lower part of the mounting barrel is provided with a thread groove for the connecting barrel to insert, and the thread groove is in threaded connection with the connecting barrel.

The connecting cylinder is fixedly connected with the inner cylinder body in a welding mode.

The first limiting seat is an arc-shaped seat.

The utility model has the beneficial effects that: the chimney fixing device is novel in structural design, the inner barrel body provided with the first arc-shaped positioning seat and the second arc-shaped positioning seat, the outer barrel body provided with the first limiting seat and the second limiting seat, the inner barrel body provided with the arc-shaped positioning groove and the bolt are matched, so that the inner barrel body and the outer barrel body can be conveniently and quickly assembled, the annular lifting plate provided with the first spring assembly and the second spring assembly is arranged between the second arc-shaped positioning seat and the second limiting seat, the problem that the chimney section is loosened due to thermal expansion and cold contraction is effectively solved, and the safe use of the chimney is further ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the inner barrel of the present invention;

FIG. 3 is a schematic view of the connection of the waterproof shield and the top cover of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

in the figure: 1-waterproof baffle; 2, mounting a cylinder; 3-a thread groove; 4-an arc-shaped positioning seat I; 5-inner cylinder; 6-outer cylinder body; 7-connecting cylinder; 8-a first limiting seat; 9-an arc-shaped positioning seat II; 10-convex hull; 11-a first spring assembly; 12-a second limiting seat; 13-annular lifter plate; 14-spring assembly two; 15-a guide groove; 16-a latch;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in the figure, the improved rotary-closing type bolt positioning chimney comprises an outer barrel body 6 and an inner barrel body 5 coaxially arranged in the outer barrel body 6, a gap is arranged between the outer barrel body 6 and the inner barrel body 5, a plurality of spacing seats 8 which are arranged at intervals and have equal arc lengths are arranged on the upper circumference of the inner side wall of the outer barrel body 6, a second spacing seat 12 which is in an annular structure is coaxially arranged at the bottom of the inner side wall of the outer barrel body 6, the inner side wall of the second spacing seat 12 and the inner side wall of the first spacing seat 8 are both attached to the outer side wall of the inner barrel body 5, a plurality of arc positioning seats 4 which are arranged at intervals and have equal arc lengths are arranged on the upper circumference of the outer side wall of the inner barrel body 5, the arc positioning seats 4 are positioned below the first spacing seats 8, an installation barrel 2 is coaxially and detachably arranged at the top end of the inner barrel body 5, a waterproof baffle 1 is sleeved outside the installation barrel body 2, the waterproof baffle 1 is positioned above the outer side wall of the outer barrel body 6, and arc positioning seats 9 which correspond to the arc positioning seats one-to-one, a plurality of arc-shaped positioning grooves are arranged on the outer side wall of the second arc-shaped positioning seat 9, the second arc-shaped positioning seat 9 is positioned above the second limiting seat 12, an annular lifting plate 13 is coaxially arranged above the second limiting seat 12, the annular lifting plate 13 is sleeved outside the inner barrel 5 and positioned below the second arc-shaped positioning seat 9, convex shells 10 which correspond to the second arc-shaped positioning seats 9 one by one and are provided with downward openings are arranged on the annular lifting plate 13, a groove with an upward opening is arranged on the annular lifting plate 13 positioned right below the convex shell 10, and a first spring assembly 11 is fixedly connected between the convex shell 10 and the bottom of the groove, a guide groove 15 for the annular lifting plate 13 to move up and down is arranged on the inner side wall of the outer cylinder 6, a plurality of circumferentially distributed spring assemblies II 14 are arranged between the annular lifting plate 13 and the bottom surface in the guide groove 15, the upper surface of the annular lifting plate 13 is provided with a 7-shaped bolt 16 inserted into the arc-shaped positioning groove.

The upper surface of the waterproof baffle 1 is arranged from inside to outside in an inclined manner.

The installation cylinder 2 and the waterproof baffle 1 are of an integrated structure.

And a heat insulation cotton layer is arranged on the inner side wall of the inner cylinder body 5.

The top end of the inner barrel body 5 is coaxially and fixedly connected with a connecting barrel 7, a thread groove 3 for inserting the connecting barrel 7 is arranged at the lower part of the mounting barrel 2, and the thread groove 3 is in threaded connection with the connecting barrel 7.

The connecting cylinder 7 is fixedly connected with the inner cylinder 5 in a welding mode.

The first limiting seat 8 is an arc-shaped seat.

When the utility model is assembled, firstly, the arc-shaped positioning seat II 9 and the arc-shaped positioning seat I4 on the inner cylinder body 5 penetrate through the gap between the limiting seat I8 and are inserted into the outer cylinder body 6, the arc-shaped positioning seat II 9 extrudes the annular lifting plate 13 provided with the spring assembly I11 and the spring assembly II 14 to move downwards along the guide groove 15, so that the top end surface of the arc-shaped positioning seat I4 is attached to the lower surface of the limiting seat I8, then the inner cylinder body 5 is rotated, so that the arc-shaped positioning seat I4 is positioned under the limiting seat I8, the bolt 16 is inserted into the arc-shaped positioning groove on the arc-shaped positioning seat II 9, then the mounting cylinder 2 provided with the waterproof baffle plate 1 is screwed with the mounting cylinder 2 through the connecting cylinder 7, the mounting cylinder 2 is mounted at the top end of the inner cylinder body 5, the assembly is finished, the inner cylinder body 5 and the outer cylinder body 6 are convenient to be rapidly assembled, and the annular lifting plate 13 provided with the spring assembly I11 and the spring assembly II 14 is arranged between the arc-shaped positioning seat II 9 and the limiting seat II 12, the problem that the chimney section is loosened due to expansion with heat and contraction with cold is effectively solved, and the safe use of the chimney is further ensured.

The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.

Claims

1. An improved rotary-closing type bolt positioning chimney is characterized by comprising an outer barrel body (6) and an inner barrel body (5) coaxially arranged in the outer barrel body (6), a gap is formed between the outer barrel body (6) and the inner barrel body (5), a plurality of spacing seats (8) which are arranged at intervals and have equal arc length are arranged on the upper circumference of the inner side wall of the outer barrel body (6), a spacing seat II (12) which is of an annular structure is coaxially arranged at the bottom of the inner side wall of the outer barrel body (6), the inner side wall of the spacing seat II (12) and the inner side wall of the spacing seat I (8) are both attached to the outer side wall of the inner barrel body (5), a plurality of arc positioning seats (4) which are arranged at intervals and have equal arc length are arranged on the upper circumference of the outer side wall of the inner barrel body (5), the arc positioning seats I (4) are positioned below the spacing seat I (8), a mounting barrel (2) is coaxially and detachably arranged at the top end of the inner barrel body (5), the waterproof baffle (1) is sleeved outside the mounting cylinder (2), the waterproof baffle (1) is positioned above the outer cylinder body (6), the lower part of the outer side wall of the inner cylinder body (5) is provided with arc positioning seats II (9) which are in one-to-one correspondence with the arc positioning seats I (4), the outer side wall of the arc positioning seats II (9) is provided with a plurality of arc positioning grooves, the arc positioning seats II (9) are positioned above the limiting seats II (12), the upper part of the limiting seats II (12) is coaxially provided with annular lifting plates (13), the annular lifting plates (13) are sleeved outside the inner cylinder body (5) and are positioned below the arc positioning seats II (9), the annular lifting plates (13) are provided with convex shells (10) which are in one-to-one correspondence with the arc positioning seats II (9) and have downward openings, the annular lifting plates (13) positioned under the convex shells (10) are provided with grooves with upward openings, and spring assemblies I (11) are fixedly connected between the convex shells (10) and the bottoms of the grooves, the inner side wall of the outer barrel body (6) is provided with a guide groove (15) for the annular lifting plate (13) to move up and down, a plurality of circumferentially distributed spring assembly II (14) are arranged between the annular lifting plate (13) and the bottom surface in the guide groove (15), and the upper surface of the annular lifting plate (13) is provided with a 7-shaped bolt (16) inserted into the arc-shaped positioning groove.

2. The improved screwing-on bolt positioning chimney as claimed in claim 1, characterized in that the upper surface of the water-proof baffle (1) is inclined downwards from inside to outside.

3. The improved screwing-type bolt positioning chimney as claimed in claim 1, characterized in that the mounting cylinder (2) and the waterproof baffle (1) are of an integrated structure.

4. The improved screwing type bolt positioning chimney as claimed in claim 1, characterized in that the inner side wall of the inner cylinder (5) is provided with a heat insulation cotton layer.

5. The improved screwing-type bolt positioning chimney as claimed in claim 1, wherein a connecting cylinder (7) is coaxially and fixedly connected to the top end of the inner cylinder (5), a threaded groove (3) for the connecting cylinder (7) to insert is formed in the lower portion of the mounting cylinder (2), and the threaded groove (3) is in threaded connection with the connecting cylinder (7).

6. The improved screwing type bolt positioning chimney as claimed in claim 5, characterized in that the connecting cylinder (7) is fixedly connected with the inner cylinder (5) by welding.

7. The improved screwing type bolt positioning chimney as claimed in claim 1, wherein the first limiting seat (8) is an arc-shaped seat.