CN210860175U

CN210860175U - Ventilating duct connecting structure

Info

Publication number: CN210860175U
Application number: CN201921241516.XU
Authority: CN
Inventors: 杨清渊; 蔡信隆
Original assignee: CSCEC Strait Construction and Development Co Ltd
Current assignee: CSCEC Strait Construction and Development Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-06-26
Anticipated expiration: 2029-08-02

Abstract

The utility model relates to the field of industrial and constructional engineering, in particular to an air conduit connecting structure, which comprises a first connecting pipe and a second connecting pipe which are arranged oppositely and a connecting piece used for connecting the opposite ends of the first connecting pipe and the second connecting pipe, wherein the connecting piece is annular in shape, and the left side surface and the right side surface of the connecting piece are respectively connected with the end surfaces of the first connecting pipe and the second connecting pipe; the inner circumferential surface of the connecting piece is fixedly provided with a limiting sheet, and the outer circumferential surface of the connecting piece is fixedly provided with a connecting plate; the limiting piece, the connecting plate and the connecting piece are enclosed to form a left annular groove and a right annular groove which are opposite to each other and are used for clamping the first connecting pipe and the second connecting pipe respectively.

Description

Ventilating duct connecting structure

Technical Field

The utility model relates to an industry and building engineering field especially relate to an air pipe connection structure.

Background

Ventilating pipe is for making the circulation of air, reduces the municipal infrastructure of harmful gas concentration, and the ventilation pipe, used panel, section bar and other main finished product materials of tuber pipe preparation and installation should accord with the regulation of the current standard of design and relevant product country to the application is qualified for the inspection of leaving the factory, should be according to the current relevant standard of country when the material enters the field and accept, and ventilating pipe divides according to the material: generally, the following are provided: steel plate air pipes (common steel plates), galvanized plate (white iron) air pipes, stainless steel ventilation pipes, glass fiber reinforced plastic ventilation pipes, composite material ventilation pipes, color steel sandwich heat-preservation plate ventilation pipes, double-sided aluminum foil heat-preservation ventilation pipes, single-sided color steel heat-preservation air pipes, rubberized cloth ventilation pipes (such as mining air pipes), mining plastic ventilation pipes and the like.

According to CN201720792036.7 a ventilation pipe connecting piece, with the back that finishes of pipe connection, mainly carry out fixed connection between the pipeline through sealed pad and seal ring, but adopt sealed pad and seal ring to be connected, connect insecurely, after using a period, often all can produce the gap, lead to sealed insecurely, have the risk that drops even, be unfavorable for ventilation pipe's normal use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an air pipe connection structure has solved and has adopted sealed the pad to be connected with the sealing ring between the air pipe, but connect insecurely, often all can produce the gap, leads to sealed insecure, has the problem of risk of droing even.

The technical scheme of the utility model as follows:

a ventilating duct connecting structure comprises a first connecting pipe, a second connecting pipe and a connecting piece, wherein the first connecting pipe and the second connecting pipe are arranged oppositely, the connecting piece is used for connecting the opposite ends of the first connecting pipe and the second connecting pipe, the connecting piece is annular, and the left side surface and the right side surface of the connecting piece are respectively connected with the end surfaces of the first connecting pipe and the second connecting pipe; the inner circumferential surface of the connecting piece is fixedly provided with a limiting sheet, and the outer circumferential surface of the connecting piece is fixedly provided with a connecting plate; the limiting sheet, the connecting plate and the connecting piece are enclosed into a left annular groove and a right annular groove which are opposite to each other and are respectively used for clamping the first connecting pipe and the second connecting pipe; the connecting plate is provided with a plurality of threaded holes, the threaded rods are paired with the threaded rods one by one, and the lower ends of the threaded rods penetrate through the threaded holes and the connecting plate and are abutted against the outer surfaces of the first connecting pipe and the second connecting pipe; if the thickness of pipe wall is enough, also can set up half through screw hole on first connecting pipe and second connecting pipe to the threaded rod can be firm link together connecting plate and first connecting pipe and second connecting pipe.

The connecting device also comprises a plurality of sliding plates arranged on the connecting plate, wherein the sliding plates are uniformly distributed on two sides of the connecting piece; the sliding plate is also provided with a threaded hole; the lower end of the threaded rod sequentially penetrates through threaded holes in the sliding plate and the connecting plate to lock the first connecting pipe on the second connecting pipe.

And first elastic sealing gaskets are arranged at the contact positions of the first connecting pipe and the second connecting pipe with the connecting piece.

And second elastic sealing gaskets are fixedly arranged at two ends of the connecting plate.

The utility model discloses following beneficial effect has:

1. the utility model discloses, compromise the leakproofness in quick installation, can prevent effectively that external filth from getting into air pipe, lead to the pipe blockage, increased air pipe connection structure's practicality.

2. The utility model relates to an air pipe connection structure is provided with the threaded rod, has increased the wholeness and the stability of connecting plate and pipeline, avoids taking place breaking away from of pipeline and connecting piece because of the vibration to guarantee the normal use of tuber pipe, also reduced the maintenance cost.

Drawings

FIG. 1 is a front sectional view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a front sectional view of the present invention with the first connection pipe and the second connection pipe removed.

The reference numbers in the figures denote:

1. a first connecting pipe; 2. a second connecting pipe; 3. a connecting member; 31. a limiting sheet; 32. a connecting plate; 33. a threaded rod; 34. a slide plate; 35. a threaded hole; 4. a first resilient gasket; 5. a second resilient gasket.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 3, the ventilation duct connecting structure of the present embodiment includes a first connecting pipe 1 and a second connecting pipe 2 which are oppositely disposed, and a connecting member 3 for connecting opposite ends of the first connecting pipe 1 and the second connecting pipe 2, wherein the connecting member 3 is annular, and left and right side surfaces of the connecting member 3 are respectively connected with end surfaces of the first connecting pipe 1 and the second connecting pipe 2; a limiting piece 31 is fixedly arranged on the inner circumferential surface of the connecting piece 3, and a connecting plate 32 is fixedly arranged on the outer circumferential surface of the connecting piece 3; the limiting sheet 31, the connecting plate 32 and the connecting piece 3 enclose a left annular groove and a right annular groove which are opposite to each other and are respectively used for clamping the first connecting pipe 1 and the second connecting pipe 2; a plurality of threaded holes 35 are formed in the connecting plate 32, and the lower ends of the threaded rods 33 penetrate through the threaded holes to enable the connecting plate 32 to be abutted against the outer surfaces of the first connecting pipe 1 and the second connecting pipe 2.

Preferably, the connecting device also comprises a plurality of sliding plates 34 arranged on the connecting plate 32, wherein the sliding plates 34 are uniformly and respectively arranged on two sides of the connecting piece 3; the sliding plate 34 is also provided with a plurality of threaded holes, and the lower end of the threaded rod 33 sequentially penetrates through the sliding plate 34 and the threaded holes 35 on the connecting plate 32 to lock the first connecting pipe 1 and the second connecting pipe 2.

Preferably, the connecting device also comprises a plurality of sliding plates 34 arranged on the connecting plate 32, and the sliding plates 34 are uniformly distributed on two sides of the connecting piece 3; a plurality of threaded holes 35 matched with the threaded rods 33 are preset on the first connecting pipe 1 and the second connecting pipe 2; a long through hole is arranged on the connecting plate 32, and the threaded rod 33 passes through the long through hole and can slide freely along with the sliding plate; the lower end of the threaded rod 33 passes through the sliding plate 34 and the threaded hole 35 in turn, and is locked to the first connecting pipe 1 and the second connecting pipe 2.

Preferably, the contact positions of the first and

second connection pipes

1 and 2 and the connection member 3 are provided with first elastic packing 4.

Preferably, the second elastic sealing gaskets 5 are fixedly arranged at two ends of the connecting plate 32.

The utility model discloses a theory of operation:

when the installation, insert first connecting tube 1 and second connecting tube 2 respectively between connecting plate 32 and spacing piece 31, first connecting tube 1 and second connecting tube 2 contradict with first elastic sealing pad 4 respectively, slide 34 this moment, aim at the position of threaded rod 33 and screw hole 35, rotate the torsion ring and drive threaded rod 33 and screw in screw hole 35, fix slide 34 and connecting plate 32.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a ventilation pipe connection structure, includes relative first connecting pipe (1) and second connecting pipe (2) that set up and is used for connecting piece (3) of the relative one end of first connecting pipe (1) and second connecting pipe (2), its characterized in that: the connecting piece (3) is annular, and the left side surface and the right side surface of the connecting piece (3) are respectively connected with the end surfaces of the first connecting pipe (1) and the second connecting pipe (2); a limiting piece (31) is fixedly arranged on the inner circumferential surface of the connecting piece (3), and a connecting plate (32) is fixedly arranged on the outer circumferential surface of the connecting piece (3); the limiting sheet (31), the connecting plate (32) and the connecting piece (3) enclose a left annular groove and a right annular groove which are opposite to each other and are used for clamping the first connecting pipe (1) and the second connecting pipe (2) respectively; the connecting plate (32) is provided with a plurality of threaded holes (35), and the lower ends of a plurality of threaded rods (33) sequentially penetrate through the threaded holes (35) and the connecting plate (32) to be abutted against the outer surface of the first connecting pipe (1) or the second connecting pipe (2).

2. A ventilation duct connecting structure according to claim 1, wherein: the connecting device also comprises a plurality of sliding plates (34) arranged on the connecting plate (32), wherein the sliding plates (34) are uniformly distributed on two sides of the connecting piece (3); the sliding plate (34) is also provided with a plurality of threaded holes (35); the lower end of the threaded rod (33) sequentially penetrates through threaded holes (35) in the sliding plate (34) and the connecting plate (32) to lock the first connecting pipe (1) and the second connecting pipe (2).

3. A ventilation duct connecting structure according to claim 1 or 2, wherein: and first elastic sealing gaskets (4) are arranged at the contact positions of the first connecting pipe (1) and the second connecting pipe (2) and the connecting piece (3).

4. A ventilation duct connecting structure according to claim 3, wherein: and second elastic sealing gaskets (5) are fixedly arranged at two ends of the connecting plate (32).