CN212107318U

CN212107318U - Fan pipeline connecting piece capable of bearing force uniformly

Info

Publication number: CN212107318U
Application number: CN202020211875.7U
Authority: CN
Inventors: 郑文贵
Original assignee: Quanzhou Junkang Industrial Design Service Co ltd
Current assignee: Jiangyin Yuanda Fan Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-12-08
Anticipated expiration: 2030-02-26

Abstract

The utility model relates to a fan pipe connection spare technical field specifically is a fan pipe connection spare of even atress, its simple structure, reasonable in design, practical meaning and spreading value have, expect to produce good economic benefits, including solid fixed ring, double-screw bolt and gasket, gu fixed ring comprises a plurality of stationary blade end to end concatenation in proper order, be equipped with fixture block and draw-in groove on two stationary blades that lie in solid fixed ring concatenation department respectively, the fixture block matches with the draw-in groove, be equipped with the screw that link up fixture block and draw-in groove on the stationary blade, the double-screw bolt constitutes the spiral pair with the screw, the stationary blade inboard is located to the gasket, the gasket comprises metal level and rubber layer, the metal level is located gasket and stationary blade contact one side, metal level and rubber layer adhesive connection, be equipped with the.

Description

Fan pipeline connecting piece capable of bearing force uniformly

Technical Field

The utility model relates to a fan pipe connection spare technical field specifically is a fan pipe connection spare of even atress.

Background

The fan is a machine for conveying gas by means of input mechanical energy and improving gas pressure, the fan is a habit short for gas compression and gas conveying machines, the conveying ends of some high-precision fans are usually connected by adopting flange plates, and for some fans with low precision requirements, pipe hoops or connecting pieces with two ends in threaded connection are adopted for connection, the tightness degree of a ventilation hose and an air outlet opening is adjusted by bolts arranged on the connecting pieces, because the connecting pieces are stressed unevenly, the connecting pieces can not be attached to pipelines at positions close to the adjusting bolts, so that air is easy to leak from the positions, the working efficiency of the fan is reduced, in addition, the adjusting bolts of the existing connecting pieces are exposed outside, the joints of the hose and the fan are loosened, further, the hose and the fan can be separated, therefore, if improvement is carried out on the basis of the prior art, research and development an even atress, it will have positive significance to compress tightly the hose fully with the fan export and the bolt can not expose outside novel pipe connection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan pipe connection spare of even atress to solve the problem of mentioning in the background art.

In order to achieve the purpose, the utility model provides a following technical scheme, including solid fixed ring, double-screw bolt and gasket, solid fixed ring comprises a plurality of stationary blade end to end concatenation in proper order, is located two of solid fixed ring concatenation department be equipped with fixture block and draw-in groove on the stationary blade respectively, the fixture block with the draw-in groove matches, be equipped with on the stationary blade and link up the fixture block with the screw of draw-in groove, the double-screw bolt with the screw constitutes the screw pair, the gasket is located the stationary blade is inboard, the gasket comprises metal level and rubber layer, the metal level is located the gasket with stationary blade contact one side, the metal level with rubber layer adhesive connection, be equipped with the atress groove on the metal level, the double-screw bolt bottom with the atre.

Preferably, the fixing ring is formed by splicing 3 fixing plates.

Preferably, the metal layer is made of aluminum magnesium alloy.

Preferably, the top end of the stud is provided with a cross-shaped recess.

Preferably, the spacer is matched with the fixing piece.

Preferably, the rubber layer is corrosion-resistant rubber.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

the utility model provides a fan pipeline connecting piece of even atress, paste the gasket during use and tightly need the pipeline of fixing, later splice into the solid fixed ring with each stationary blade and cover the gasket, and the screw position aims at the atress groove, fix the stationary blade with double-screw bolt screw in screw, continue the screw in double-screw bolt after the stationary blade is fixed, the double-screw bolt bottom supports the atress groove this moment, make the gasket hug closely the pipeline, adjust the degree of tightness of pipeline and fan air outlet through changing the distance in double-screw bolt screw in screw, the double-screw bolt screw in distance is bigger, the gasket is more closely combined with the pipeline; the smaller the screw-in distance of the stud is, the looser the gasket is combined with the pipeline.

The utility model discloses simple structure can improve the combination degree of pipeline and fan export, and the atress is even, is difficult to appear the not hard up problem of screw, has practical meaning and spreading value, expects to produce good economic benefits.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

in the figure: the fixing ring comprises a fixing ring 1, a fixing piece 11, a clamping block 12, a clamping groove 13, a screw hole 14, a stud 15, a gasket 16, a metal layer 17, a rubber layer 18 and a stress groove 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

With reference to fig. 1-3, a blower pipeline connecting piece with uniform stress comprises a fixing ring 1, a stud 15 and a gasket 16, wherein the fixing ring 1 is formed by sequentially splicing 3 fixing pieces 11 end to end, two fixing pieces 11 positioned at the splicing position of the fixing ring 1 are respectively provided with a clamping block 12 and a clamping groove 13, the clamping block 12 is matched with the clamping groove 13, the fixing piece 11 is provided with a screw hole 14 penetrating through the clamping block 12 and the clamping groove 13, the top end of the stud 15 is provided with a cross-shaped recess, the stud 15 and the screw hole 14 form a screw pair, the gasket 16 is arranged on the inner side of the fixing piece 11, the gasket 16 is matched with the fixing piece 11, the gasket 16 is formed by a metal layer 17 and a rubber layer 18, the metal layer 17 is arranged on one side of the gasket 16, which is in contact with the fixing piece 11, and the, and a stress groove 19 is formed in the metal layer 17, and the bottom end of the stud 15 is in contact with the stress groove 19.

The metal layer 17 is specifically an aluminum magnesium alloy layer; the rubber layer 18 is a butyronitrile corrosion-resistant rubber layer; the stress groove 19 is a groove body which plays a role in bearing and stressing, and the shape of the stress groove is matched with the bottom end of the stud 15; the fixing ring 1 refers to an annular part playing a fixing role and is formed by splicing fixing plates.

The utility model discloses the theory of operation: when the device is used, the gasket 16 is tightly attached to a pipeline to be fixed, then the fixing plates 11 are spliced into the fixing ring 1 to cover the gasket 16, the position of the screw hole 14 is aligned to the stress groove 119, the stud 15 is screwed into the screw hole 14 to fix the fixing plate 11, the fixing plate 11 is fixed and then is continuously screwed into the stud 15, the bottom end of the stud 15 abuts against the stress groove 19 at the moment, the gasket 16 is tightly attached to the pipeline, the tightness degree between the pipeline and the air outlet of the fan is adjusted by changing the screwing distance of the stud 15 into the screw hole 14, and the larger the screwing distance of the stud 15 is, the tighter the combination between; the smaller the screwing distance of the stud 15 is, the looser the gasket 16 is combined with the pipeline; the screw bolt 15 is screwed into the screw hole 14, so that the screw bolt is not easy to contact with the outside, and the problems of looseness and air leakage at the joint are not easy to occur.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fan pipe connection spare of even atress, includes solid fixed ring (1), gu fixed ring (1) comprises a plurality of stationary blade (11) end to end concatenation in proper order, its characterized in that:

two fixing pieces (11) positioned at the splicing position of the fixing ring (1) are respectively provided with a clamping block (12) and a clamping groove (13), the clamping block (12) is matched with the clamping groove (13), and the fixing pieces (11) are provided with screw holes (14) penetrating through the clamping block (12) and the clamping groove (13);

the device also comprises a stud (15) and a gasket (16);

the stud (15) and the screw hole (14) form a screw pair;

the gasket (16) is arranged on the inner side of the fixing piece (11), the gasket (16) is composed of a metal layer (17) and a rubber layer (18), the metal layer (17) is arranged on one side, in contact with the fixing piece (11), of the gasket (16), the metal layer (17) is connected with the rubber layer (18) in an adhesion mode, a stress groove (19) is formed in the metal layer (17), and the bottom end of the stud (15) is in contact with the stress groove (19).

2. The blower duct joint of claim 1, wherein the blower duct joint is configured to be evenly stressed: the fixing ring (1) is formed by splicing 3 fixing pieces (11).

3. The blower duct joint of claim 1, wherein the blower duct joint is configured to be evenly stressed: the metal layer (17) is made of aluminum magnesium alloy.

4. The blower duct joint of claim 1, wherein the blower duct joint is configured to be evenly stressed: the top end of the stud (15) is provided with a cross-shaped recess.

5. The blower duct joint of claim 1, wherein the blower duct joint is configured to be evenly stressed: the gasket (16) is matched with the fixing piece (11).

6. The blower duct joint of claim 1, wherein the blower duct joint is configured to be evenly stressed: the rubber layer (18) is made of corrosion-resistant rubber.