CN214466719U

CN214466719U - Pipeline with fire prevention function

Info

Publication number: CN214466719U
Application number: CN202120354635.7U
Authority: CN
Inventors: 黎小涛; 谭周勤; 罗建华
Original assignee: Chongqing Eran Hvac Equipment Co ltd
Current assignee: Chongqing Eran Hvac Equipment Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-10-22
Anticipated expiration: 2031-02-08

Abstract

The utility model provides a pipeline with fire prevention function, include: the pipeline body, the pipeline body includes: inlayer, first flame retardant coating, heat preservation and second flame retardant coating, inlayer, first flame retardant coating, heat preservation and second flame retardant coating are the loop configuration, and the inlayer adopts the iron material to make, and the inlayer outer loop is around having first flame retardant coating, and first flame retardant coating is outer to be surrounded there is the heat preservation, and the heat preservation outer loop is around having the second flame retardant coating, and the heat preservation adopts the rock wool material to make. This pipeline with fire prevention function solves the not good problem of fan pipeline fire behavior among the prior art.

Description

Pipeline with fire prevention function

Technical Field

The utility model relates to a fan, concretely relates to pipeline with fire prevention function.

Background

Chinese patent discloses a fire control smoke exhaust fan of application number CN201721644658.1, and fire control smoke exhaust fan includes: the fan body, this internal motor casing that is provided with of fan, be provided with the motor in the motor casing, still include the impeller, the axle head of impeller and motor links to each other, be provided with the cavity intermediate layer in the motor casing, be provided with on the motor casing intercommunication cavity interbedded water inlet, delivery port, the water inlet is connected with the inlet channel, the delivery port is connected with outlet conduit, end-to-end connection has the fire control shower nozzle, still including setting up the solenoid valve on the inlet channel, fan body surface complex has the flame retardant coating that covers the whole surfaces of fan body, although can play the effect of fire prevention to a certain extent, but the problem that this fan still exists does:

the fire-proof insulation effect is not very good due to the use of only one fire-proof layer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipeline with fire prevention function solves the not good problem of pipeline fire behavior among the prior art.

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

the utility model provides a pipeline with fire prevention function, include: the pipeline body, the pipeline body includes: inlayer, first flame retardant coating, heat preservation and second flame retardant coating, inlayer, first flame retardant coating, heat preservation and second flame retardant coating are the loop configuration, and the inlayer adopts the iron material to make, and the inlayer outer loop is around having first flame retardant coating, and first flame retardant coating is outer to be surrounded there is the heat preservation, and the heat preservation outer loop is around having the second flame retardant coating, and the heat preservation adopts the rock wool material to make.

Preferably, the number of the pipeline bodies is at least two, and two adjacent pipeline bodies are detachably connected through a connecting mechanism.

Preferably, a sealing ring is clamped between two adjacent pipeline bodies.

Preferably, a blocking mechanism is mounted on one of the adjacent two pipe bodies, and the blocking mechanism and the connecting mechanism act to allow the connecting mechanism to connect the adjacent two pipe bodies only when the seal ring is clamped between the pipe bodies.

Preferably, the connection mechanism includes: first engaging lug, second engaging lug, connecting rod and nut, this body coupling of a pipeline in first engaging lug and two adjacent pipeline bodies, another pipeline body coupling in second engaging lug and two adjacent pipeline bodies, connecting rod one end is articulated with first engaging lug, the connecting rod other end rotates to the recess that the second engaging lug formed, connecting rod threaded connection has the nut, the nut is located second engaging lug and deviates from first engaging lug one side.

Preferably, the blocking mechanism comprises: tooth piece, intermediate lever, voussoir and elastic component, the connecting rod is fixed to the rotation axis, and the rotation axis can be installed on first connecting lug with rotating, is fixed with the ring gear on the rotation axis, and the ring gear can mesh with the tooth piece, and the tooth piece is fixed with intermediate lever one end, and the intermediate lever is fixed to the voussoir, and the voussoir is used for with the sealing washer effect, is connected through the elastic component between voussoir and the pipeline body inner wall, and the elastic component is used for keeping tooth piece and gear engagement.

Preferably, the wedge block can act with an extrusion block, the extrusion block is fixed to the seal ring, the large end of the wedge block is connected with the intermediate rod, the small end of the wedge block extends towards the seal ring, the large end of the extrusion block is fixed with the seal ring, the small end of the extrusion block extends towards the interior of the pipeline body, and the extrusion block and the wedge block are both of triangular block type structures.

Compared with the prior art, the utility model discloses following beneficial effect has:

through setting up the heat preservation, realized keeping apart interior in-situ air temperature and external world, avoided something to adhere to outside the second flame retardant coating and the foreign object ignites to having played the effect of fire prevention, realized that the difference in temperature between inlayer and the second flame retardant coating outer wall can exceed 140 degrees centigrade, the inlayer adopts iron material to make and has avoided the inlayer to be lighted, and adopts first PLASTIC LAMINATED and second PLASTIC LAMINATED duplicate protection, further improved the fire prevention effect, accord with needs more.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a fire-proof pipeline cut along a direction perpendicular to a center line;

FIG. 2 is a schematic structural view of a fire-resistant duct cut along a direction parallel to a center line;

fig. 3 is a schematic view of a block a in fig. 2.

Reference numerals: the pipeline comprises a pipeline body 1, an inner layer 11, a first fireproof layer 12, an insulating layer 13, a second fireproof layer 14, a connecting mechanism 2, a first connecting lug 21, a second connecting lug 22, a connecting rod 23, a nut 24, a gear 25, a rotating shaft 26, a blocking mechanism 3, a tooth block 31, a middle rod 32, a wedge 33, an elastic part 34, a sealing ring 4 and an extrusion block 40.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

as shown in fig. 1 to 3, the utility model provides a pipeline with fire prevention function, include: pipeline body 1, pipeline body 1 includes: inner 11, first flame retardant coating 12, heat preservation 13 and second flame retardant coating 14, inner 11, first flame retardant coating 12, heat preservation 13 and second flame retardant coating 14 are the loop configuration, and inner 11 adopts the iron material to make, and inner 11 outer rings have first flame retardant coating 12, and first flame retardant coating 12 outer rings have heat preservation 13, and heat preservation 13 outer rings have second flame retardant coating 14, and heat preservation 13 adopts the rock wool material to make.

Because the lengths of the pipeline bodies 1 required by different installation positions are different, in order to improve the production efficiency, the pipeline bodies 1 need to be produced into sections one by one, the number of the sections of the tube plate body is used as required when the pipeline is used on site, at least two pipeline bodies 1 are arranged, and the two adjacent pipeline bodies 1 are detachably connected through the connecting mechanism 2.

In order to avoid smoke leakage between two adjacent pipeline bodies 1, a sealing ring 4 is clamped between the two adjacent pipeline bodies 1. The sealing ring 4 is of a fireproof type.

In order to avoid forgetting to install the sealing ring 4, a blocking mechanism 3 is installed on one pipeline body 1 of the two adjacent pipeline bodies 1, the blocking mechanism 3 acts with the connecting mechanism 2, and the blocking mechanism 3 are used for allowing the connecting mechanism 2 to connect the two adjacent pipeline bodies 1 only when the sealing ring 4 is clamped between the pipeline bodies 1.

In order to design simple structure's coupling mechanism 2, conveniently connect two adjacent pipelines, coupling mechanism 2 includes: first engaging lug 21, the second engaging lug 22, connecting rod 23 and nut 24, first engaging lug 21 is connected with a pipeline body 1 in two adjacent pipeline bodies 1, second engaging lug 22 is connected with another pipeline body 1 in two adjacent pipeline bodies 1, connecting rod 23 one end is articulated with first engaging lug 21, the connecting rod 23 other end rotates to the recess that second engaging lug 22 formed, connecting rod 23 threaded connection has nut 24, nut 24 is located second engaging lug 22 and deviates from first engaging lug 21 one side.

In order to design the blocking mechanism 3 with a simple structure and to achieve blocking of the connecting rod 23 from rotating when the seal ring 4 is not clamped by the adjacent pipe body 1, the blocking mechanism 3 comprises: the connecting rod 23 is fixed to the rotating shaft 26, the rotating shaft 26 is rotatably mounted on the first connecting lug 21, a gear ring is fixed to the rotating shaft 26 and can be meshed with the gear block 31, the gear block 31 is fixed to one end of the intermediate rod 32, the intermediate rod 32 is fixed to the wedge 33, the wedge 33 is used for acting with the sealing ring 4, the wedge 33 is connected with the inner wall of the pipeline body 1 through the elastic portion 34, and the elastic portion 34 is used for keeping the gear block 31 meshed with the gear 25.

In order to facilitate the action of the sealing ring 4 and the wedge 33, the wedge 33 can act with an extrusion block 40, the extrusion block 40 is fixed to the sealing ring 4, the large end of the wedge 33 is connected with the middle rod 32, the small end of the wedge 33 extends towards the sealing ring 4, the large end of the extrusion block 40 is fixed with the sealing ring 4, the small end of the extrusion block 40 extends towards the inside of the pipeline body 1, and the extrusion block 40 and the wedge 33 are both of triangular block type structures.

Before leaving the factory, the connecting rod 23 is positioned outside the groove formed by the second connecting lug 22, and the tooth block 31 is meshed with the gear ring under the elastic force of the elastic piece, so that the position change of the connecting rod 23 in the processes of transportation and the like is avoided.

When the adjacent pipeline bodies 1 are installed, firstly, the sealing ring 4 is clamped between the two adjacent pipeline bodies 1, and the extrusion block 40 extrudes the wedge 33, so that the wedge 33 drives the tooth block 31 to be far away from the tooth ring through the middle rod 32, and the rotating shaft 26 and the connecting rod 23 are released; then, the connecting rod 23 is rotated so that the connecting rod 23 is placed into the groove; finally, the connecting nut is in threaded connection with the connecting rod 23, and the nut is tightly pressed on the second connecting lug 22, so that the pipeline body 1 is connected.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A duct with fire protection, comprising: the pipeline body, the pipeline body includes: inlayer, first flame retardant coating, heat preservation and second flame retardant coating, inlayer, first flame retardant coating, heat preservation and second flame retardant coating are the loop configuration, and the inlayer adopts the iron material to make, and the inlayer outer loop is around having first flame retardant coating, and first flame retardant coating is outer to be surrounded there is the heat preservation, and the heat preservation outer loop is around having the second flame retardant coating, and the heat preservation adopts the rock wool material to make.

2. A fire-resistant duct according to claim 1, wherein there are at least two duct bodies, and two adjacent duct bodies are detachably connected by a connecting mechanism.

3. A fire-resistant pipe according to claim 2, wherein a sealing ring is clamped between two adjacent pipe bodies.

4. A fire-resistant duct according to claim 3, wherein a blocking mechanism is mounted on one of the adjacent duct bodies, the blocking mechanism acting with the connecting mechanism, the blocking mechanism and the blocking mechanism being adapted to allow the connecting mechanism to connect the adjacent duct bodies only when the sealing ring is clamped between the duct bodies.

5. A fire-protected duct according to claim 4, wherein the connection means comprises: first engaging lug, second engaging lug, connecting rod and nut, this body coupling of a pipeline in first engaging lug and two adjacent pipeline bodies, another pipeline body coupling in second engaging lug and two adjacent pipeline bodies, connecting rod one end is articulated with first engaging lug, the connecting rod other end rotates to the recess that the second engaging lug formed, connecting rod threaded connection has the nut, the nut is located second engaging lug and deviates from first engaging lug one side.

6. A fire-protected duct according to claim 5, wherein the blocking mechanism comprises: tooth piece, intermediate lever, voussoir and elastic component, the connecting rod is fixed to the rotation axis, and the rotation axis can be installed on first connecting lug with rotating, is fixed with the ring gear on the rotation axis, and the ring gear can mesh with the tooth piece, and the tooth piece is fixed with intermediate lever one end, and the intermediate lever is fixed to the voussoir, and the voussoir is used for with the sealing washer effect, is connected through the elastic component between voussoir and the pipeline body inner wall, and the elastic component is used for keeping tooth piece and gear engagement.

7. A fire-resistant pipe according to claim 6, wherein the wedge block is capable of interacting with an extrusion block secured to the seal ring, the large end of the wedge block being connected to the intermediate rod, the small end of the wedge block extending towards the seal ring, the large end of the extrusion block being secured to the seal ring, the small end of the extrusion block extending towards the interior of the pipe body, the extrusion block and wedge block each being of triangular block type construction.