CN218094874U

CN218094874U - Nonmetal fireproof corrugated compensator

Info

Publication number: CN218094874U
Application number: CN202220482599.7U
Authority: CN
Inventors: 吴彩云
Original assignee: Individual
Current assignee: Zhang Hanyu
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-12-20
Anticipated expiration: 2032-03-04

Abstract

The utility model belongs to the technical field of corrugated compensator, a nonmetal fire prevention corrugated compensator is disclosed, including bellows, connecting sleeve and fastener, the both ends of bellows all are provided with annular protruding, all are provided with the reinforcement muscle in the annular protruding, the surface of bellows is provided with the flame retardant coating, connecting sleeve's quantity has two, its bottom all with the upper and lower both ends nested connection of bellows. This application is through the annular bulge gomphosis of each other at fastening groove and ring channel and bellows both ends, a plurality of fasteners are connected through tightening up the bolt, it is fixed to compress bellows and adapter sleeve's junction, make to connect inseparabler, leakproofness and stability are stronger, be convenient for simultaneously installation and dismantlement, through adding antioxidant and bromine system fire retardant in the material of bellows, and the surface bonding at the bellows has set up the flame retardant coating, the durability and the fire behavior of bellows structure have further been improved, and service life is higher.

Description

Nonmetal fireproof corrugated compensator

Technical Field

The application relates to the technical field of corrugated compensators, in particular to a nonmetal fireproof corrugated compensator.

Background

The corrugated compensator is a compensating element, utilizes the effective expansion and contraction deformation of the working main body corrugated pipe to absorb the dimensional change of pipelines, conduits, containers and the like caused by expansion with heat and contraction with cold or compensate the axial, transverse and angular displacement of the pipelines, conduits, containers and the like, can also be used for noise reduction and vibration reduction, and has wide application in modern industry.

Traditional corrugated compensator adopts welded connection usually between bellows and adapter sleeve, and the not hard up fracture phenomenon easily appears in the junction in the long-time use, influences corrugated compensator's sealing performance, and traditional nonmetal corrugated compensator fire behavior is relatively poor, is difficult to adapt to complicated service environment.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present application provides a non-metal fireproof corrugated compensator.

The application provides a nonmetal fire prevention ripple compensator adopts following technical scheme:

the utility model provides a nonmetal fire prevention ripple compensator, includes bellows, adapter sleeve and fastener, the both ends of bellows all are provided with annular arch, all are provided with the reinforcement muscle in the annular arch, the surface of bellows is provided with the flame retardant coating, adapter sleeve's quantity has two, its bottom all with the upper and lower both ends nested connection of bellows, the quantity of fastener has eight, every four as a set of fixed mounting in adapter sleeve's bottom.

Furthermore, the corrugated pipe is made of modified polypropylene with an antioxidant and a brominated flame retardant added inside.

Through above-mentioned technical scheme, the durability and the fire behavior of bellows structure have been improved.

Furthermore, the fireproof layer is made of silicon rubber coated glass fiber cloth, and the fireproof layer is bonded with the outer wall of the corrugated pipe through PU glue.

Through above-mentioned technical scheme, further improved the structural strength and the fire behavior of bellows.

Furthermore, an annular groove and a limiting groove are formed in the outer wall of the connecting sleeve.

Through above-mentioned technical scheme, the ring channel makes the bellows cup joint more firm in adapter sleeve's bottom, and the setting of spacing recess is convenient for fix a position the mounted position of fastener.

Furthermore, the fastener is the arc, and fastening groove and spacing arch have all been seted up to its inboard.

Through above-mentioned technical scheme, the annular bulge gomphosis of fastening groove and ring channel and bellows both ends each other can effectively carry out the centre gripping to the bellows both ends and fix.

Furthermore, the shape and the size of the limiting protrusion and the limiting groove correspond to each other.

Through above-mentioned technical scheme, spacing arch and spacing recess gomphosis each other prevent that the fastener from taking place the displacement of vertical direction.

Furthermore, the top of the connecting sleeve is fixedly connected with a flange plate, the side face of the flange plate is provided with an ear plate, and an adjusting screw rod is fixedly connected between the ear plates of the upper flange plate and the lower flange plate.

Through above-mentioned technical scheme, improved the holistic structural strength of compensator.

To sum up, the present application includes at least one of the following advantageous technical effects:

(1) According to the corrugated pipe connecting structure, the fastening grooves are mutually embedded with the annular grooves and the annular bulges at the two ends of the corrugated pipe, the plurality of fasteners are connected through the tightening bolts, and the connecting part of the corrugated pipe and the connecting sleeve is compressed and fixed, so that the connection is tighter, the sealing performance and the stability are stronger, and the corrugated pipe connecting structure is convenient to install and disassemble;

(2) This application is through adding antioxidant and bromine system fire retardant in the material of bellows to bond at the surface of bellows and set up the flame retardant coating, further improved the durability and the fire behavior of bellows structure, life is higher.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view in elevation cut-away of the present application;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic view of the construction of the connection sleeve;

fig. 5 is a schematic view of the fastener structure.

The numbering in the figures illustrates:

1. a bellows; 2. connecting a sleeve; 3. a fastener; 4. reinforcing ribs; 5. a fire barrier layer; 6. an annular groove; 7. a limiting groove; 8. a fastening groove; 9. a limiting bulge; 10. a flange plate; 11. an ear plate; 12. and adjusting the screw rod.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

the present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses nonmetal fire prevention ripple compensator, including bellows 1, adapter sleeve 2 and fastener 3, its characterized in that: the both ends of bellows 1 all are provided with the annular arch, all be provided with reinforcing rib 4 in the annular arch, the structural strength at 1 both ends of bellows has been improved, the surface of bellows 1 is provided with flame retardant coating 5, connecting tube 2's quantity has two, its bottom all with the upper and lower both ends nested connection of bellows 1, fastener 3's quantity has eight, per four as a set of fixed mounting in connecting tube 2's bottom, be convenient for tighten up fixedly to the junction, be convenient for simultaneously the maintenance and the change in later stage.

Referring to fig. 2-3, the corrugated pipe 1 is made of modified polypropylene with an antioxidant and a brominated flame retardant added inside, so that the durability and the fire resistance of the structure of the corrugated pipe 1 are improved, the fire-proof layer 5 is silicon rubber coated glass fiber cloth, and the fire-proof layer is bonded with the outer wall of the corrugated pipe 1 by adopting PU glue, so that the structural strength and the fire resistance of the corrugated pipe 1 are further improved.

Referring to fig. 4, the outer wall of the connecting sleeve 2 is provided with an annular groove 6 and a limiting groove 7, the annular groove 6 enables the corrugated pipe 1 to be sleeved at the bottom of the connecting sleeve 2 more stably, and the limiting groove 7 is arranged to facilitate positioning of the mounting position of the fastener 3.

Referring to fig. 5, the fastening member 3 is arc-shaped, and has fastening grooves 8 and limiting protrusions 9 on the inner side thereof, the fastening grooves 8 and the annular grooves 6 are mutually embedded with the annular protrusions at the two ends of the corrugated pipe 1, so as to effectively clamp and fix the two ends of the corrugated pipe 1, the limiting protrusions 9 and the limiting grooves 7 are mutually corresponding in shape and size, and the limiting protrusions 9 and the limiting grooves 7 are mutually embedded to prevent the fastening member 3 from moving in the vertical direction.

Referring to fig. 1, flange plates 10 are fixedly connected to the tops of the connecting sleeves 2, lug plates 11 are arranged on the side faces of the flange plates 10, and adjusting screws 12 are fixedly connected between the lug plates 11 of the upper and lower flange plates 10, so that the overall structural strength of the compensator is improved.

The implementation principle of the nonmetal fireproof corrugated compensator in the embodiment of the application is as follows: through fastening groove 8 and annular groove 6 and the annular protrusion gomphosis of each other at bellows 1 both ends, a plurality of fasteners 3 are connected through tightening up the bolt, fastening bolt's tightening up makes arc fastener 3 shrink to the inboard along centre of a circle direction, and then it is fixed to compress bellows 1 and adapter sleeve 2's junction, make and connect inseparabler, leakproofness and stability are stronger, the maintenance and the change in the later stage of being convenient for simultaneously, through adding antioxidant and bromine system fire retardant in bellows 1's material, and the surface bonding at bellows 1 has set up flame retardant coating 5, the durability and the fire behavior of bellows 1 structure have further been improved, service life is higher.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a nonmetal fire prevention ripple compensator, includes bellows (1), adapter sleeve (2) and fastener (3), its characterized in that: the both ends of bellows (1) all are provided with annular protruding, all are provided with in the annular protruding and add reinforcing bar (4), the surface of bellows (1) is provided with flame retardant coating (5), the quantity of adapter sleeve (2) has two, its bottom all with the upper and lower both ends nested connection of bellows (1), the quantity of fastener (3) has eight, and per four is as the bottom of a set of fixed mounting in adapter sleeve (2).

2. A non-metallic fire protection bellow compensator according to claim 1, characterized by: the fireproof layer (5) is made of silicon rubber coated glass fiber cloth, and is bonded with the outer wall of the corrugated pipe (1) through PU glue.

3. A non-metallic fire-resistant bellow compensator according to claim 1, characterised in that: the outer wall of the connecting sleeve (2) is provided with an annular groove (6) and a limiting groove (7).

4. A non-metallic fire protection bellow compensator according to claim 1, characterized by: the fastener (3) is arc-shaped, and a fastening groove (8) and a limiting bulge (9) are formed in the inner side of the fastener.

5. A non-metallic fire protection ripple compensator according to claim 4, wherein: the limiting protrusion (9) and the limiting groove (7) are corresponding to each other in shape and size.

6. A non-metallic fire-resistant bellow compensator according to claim 1, characterised in that: the connecting sleeve is characterized in that the top of the connecting sleeve (2) is fixedly connected with a flange plate (10), the side face of the flange plate (10) is provided with an ear plate (11), and an adjusting screw rod (12) is fixedly connected between the ear plates (11) of the upper flange plate and the lower flange plate (10).