CN218178276U

CN218178276U - Anti-cracking pressure-resistant expansion and contraction pipe for fire fighting

Info

Publication number: CN218178276U
Application number: CN202222619657.9U
Authority: CN
Inventors: 刘永健; 于帅帅
Original assignee: Shandong Tiancheng Security Technology Co ltd
Current assignee: Shandong Tiancheng Security Technology Co ltd
Priority date: 2022-10-07
Filing date: 2022-10-07
Publication date: 2022-12-30
Anticipated expiration: 2032-10-07

Abstract

The utility model discloses a fire control is with preventing resistant pressure expansion pipe that ftractures, including the connecting piece: the top end of the connecting piece is provided with an expansion and contraction structure, the expansion and contraction structure comprises a first flow guide pipe, and the bottom end of the first flow guide pipe is fixedly connected with the connecting piece; connection structure, the bottom and the equal fixedly connected with shunt tubes in both sides of connecting piece, and the shunt tubes keeps away from the one end of connecting piece and is connected with connection structure, and connection structure includes the branch egress opening, branch egress opening and shunt tubes fixed connection. The utility model discloses an expand the inside effect of reducing the structure of buffering effect reaching the protection and expanding the inside of reducing, because the leading cause of fracture is that the pressure change of inside rivers leads to expanding the reducing pipe pressure too big, finally leads to expanding the reducing pipe impaired, the mode of cracking is prevented in traditional adoption is the intensity of strengthening the pipeline through the inside strengthening rib of additional strengthening, but can't strengthen the resistance to compression nature of pipeline, makes rivers can shunt through three shunt tubes of group that the connecting piece bottom distributes.

Description

Anti-cracking pressure-resistant expansion and contraction pipe for fire fighting

Technical Field

The utility model relates to a fire control technical field specifically is a fire control is with preventing resistant pressure expansion pipe that ftractures.

Background

The reducing pipe comprises a reducing pipe and a diverging pipe, wherein the reducing pipe and the diverging pipe are used for connecting pipelines with different calibers and comprise the connection between pipelines and the connection between equipment. The reducer and the reducer have the function of reducing water resistance, but the existing anti-cracking pressure-resistant reducer for fire fighting has many problems or defects:

chinese patent No. CN202220289876.2, announcement day 2022, 6 months and 14 days, discloses a cracking-resistant pressure-resistant expansion and contraction pipe for fire protection, which comprises a steel plate sleeve, a pipe core and an expansion and contraction pipe main body, wherein an anticorrosion structure is arranged outside the steel plate sleeve, the expansion and contraction pipe main body is fixed inside the steel plate sleeve, a reinforcing structure is arranged inside the expansion and contraction pipe main body, the pipe core is fixed inside the expansion and contraction pipe main body, a splicing structure is arranged at the top end of the pipe core, and a fixed pipe is arranged at the top end of the pipe core;

the above prior art solutions have the following drawbacks; in the technical scheme, the anti-cracking mode is adopted, the strength of the pipeline is enhanced through the reinforcing ribs in the reinforcing structure, but the compressive strength of the pipeline cannot be enhanced, and the cracking of the expansion and contraction pipe is mainly caused by the fact that the pressure change of internal water flow causes overlarge pressure of the expansion and contraction pipe, so that the expansion and contraction pipe is damaged; in addition, the traditional expansion and contraction pipe for fire fighting is not convenient for shunting, and a plurality of pipelines are required to be fixed when being connected with each other and connected with a plurality of devices.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is too single technical problem to prior art solution, provides showing and is different from prior art's solution, specifically the utility model aims at providing a fire control is with preventing splitting withstand voltage expansion pipe to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire control is with resistant pressure expansion pipe that ftractures, includes the connecting piece:

the top end of the connecting piece is provided with an expansion and contraction structure, the expansion and contraction structure comprises a first flow guide pipe, and the bottom end of the first flow guide pipe is fixedly connected with the connecting piece;

connection structure, the bottom and the equal fixedly connected with shunt tubes in both sides of connecting piece, and the shunt tubes one end of keeping away from the connecting piece is connected with connection structure, and connection structure includes the branch egress opening, branch egress opening and shunt tubes fixed connection.

Preferably, the inside intermediate position department of first honeycomb duct is equipped with the buffering inner tube, and the buffering inner tube is inside hollow tubulose appearance, one side that the buffering inner tube is close to first honeycomb duct is equipped with the embedded groove, and the embedded groove is equipped with the multiunit and is the annular distribution about the surface of buffering inner tube.

Preferably, the inside of embedded groove is equipped with elastic element, and elastic element has elasticity, one side of elastic element is connected with movable slider, and one side and first honeycomb duct fixed connection that elastic element was kept away from to movable slider, sliding connection between movable slider and the embedded groove.

Preferably, one side that the shunt tubes was kept away from to the branch egress opening is equipped with connecting tube, and connecting tube and branch egress opening sliding connection, and the junction is equipped with the screw thread, divide egress opening and sealed lid sliding connection, and the junction is equipped with the screw thread, connecting tube and the junction of dividing the egress opening are equipped with the sealing strip, and the sealing strip has elasticity.

Preferably, the inside one side of connecting tube runs through there is the drainage intubate, and drainage intubate and reposition of redundant personnel slide connection between the export, the inside one side that is close to the connecting tube of reposition of redundant personnel export is equipped with the choked flow sprue, the drainage intubate all is equipped with the blotter near the top and the bottom of connecting tube, and blotter and choked flow sprue are inconsistent, the second honeycomb duct has been run through to one side that the connecting tube kept away from the reposition of redundant personnel export.

Preferably, the inside one side of connecting tube runs through there is the drainage intubate, and drainage intubate with divide the flow outlet between sliding connection, the inside one side that is close to the connecting tube of branch flow outlet is equipped with the choked flow sprue, the drainage intubate all is equipped with the blotter near the top and the bottom of connecting tube, and blotter and choked flow sprue are inconsistent, the connecting tube is far away from one side of branch flow outlet and is run through there is the second honeycomb duct.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The expansion and contraction pipe is protected by the buffer effect of the expansion and contraction structure, the expansion and contraction pipe is damaged finally due to overlarge pressure of the expansion and contraction pipe caused by pressure change of internal water flow, and the traditional cracking prevention mode is that the strength of the pipeline is enhanced by reinforcing ribs in the reinforcing structure, but the compressive strength of the pipeline cannot be enhanced;

(2) Three shunt tubes of group through connecting piece bottom distribution make rivers can shunt, can connect a plurality of pipelines simultaneously to the pressure that slows down the body, be convenient for between pipeline and the pipeline and be connected between pipeline and a plurality of equipment, when the pipe connection mouth is equipped with a plurality ofly, sealed export through sealed lid to the connector that does not need, connect multiunit pipeline through connection structure, and the effect that runs through the groove that ring distribution was gone up on the anti-vortex filter cover is the effect of scattering rivers and reaching the anti-vortex, avoid rivers change to produce the vortex.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic side view of the anti-vortex filter cover of the present invention;

fig. 4 is a schematic front sectional view of the expansion and contraction structure of the present invention.

In the figure: 1. a telescopic structure; 101. a first draft tube; 102. a groove is embedded; 103. an elastic element; 104. a movable slide block; 105. buffering the inner tube; 2. a connecting member; 3. a shunt tube; 4. a connecting structure; 401. a second draft tube; 402. connecting a pipeline; 403. a shunt outlet; 404. a drainage cannula; 405. a sealing strip; 406. flow-resisting and blocking blocks; 407. a cushion pad; 408. an anti-vortex filter cover; 409. a through groove; 5. and (7) sealing the cover.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a fire control is with resistant pressure expansion pipe that ftractures, includes connecting piece 2:

the expansion and contraction structure 1 is arranged at the top end of the connecting piece 2, the effect of protecting the inside of the expansion and contraction pipe is achieved through the buffering effect of the expansion and contraction structure 1, the expansion and contraction pipe is damaged finally due to the fact that the pressure of internal water flow is changed to cause overlarge pressure of the expansion and contraction pipe, and the traditional cracking prevention mode is that the strength of a pipeline is enhanced through a reinforcing rib inside a reinforcing structure, but the compressive strength of the pipeline cannot be enhanced; the expansion and contraction structure 1 comprises a first guide pipe 101, and the bottom end of the first guide pipe 101 is fixedly connected with the connecting piece 2;

a buffer inner tube 105 is arranged in the middle of the inside of the first guide tube 101, the buffer inner tube 105 is hollow and tubular, an embedded groove 102 is formed in one side, close to the first guide tube 101, of the buffer inner tube 105, and multiple groups of embedded grooves 102 are arranged and distributed in an annular mode on the surface of the buffer inner tube 105;

an elastic element 103 is arranged inside the embedded groove 102, the elastic element 103 has elasticity, the pressure difference of liquid flowing in the contraction pipeline is reduced through the elasticity performance of the elastic element 103, a movable sliding block 104 is connected to one side of the elastic element 103, one side, far away from the elastic element 103, of the movable sliding block 104 is fixedly connected with the first guide pipe 101, a buffering inner pipe 105 is installed inside the first guide pipe 101 through the movable sliding block 104, the buffering inner pipe 105 can move inside the first guide pipe 101 and is used for reducing the pressure of water flow on the pipe body to achieve the effect of preventing the pipe body from cracking, and the movable sliding block 104 is in sliding connection with the embedded groove 102;

the connecting structure 4 is fixedly connected with the shunt tubes 3 at the bottom end and two sides of the connecting piece 2, three groups of shunt tubes 3 distributed at the bottom end of the connecting piece 2 can shunt water flow, the pressure of a pipe body is reduced, and meanwhile, a plurality of pipelines can be connected, so that the pipelines can be conveniently connected with one another and with a plurality of devices, when a plurality of pipeline connecting ports are arranged, one ends of the shunt tubes 3 far away from the connecting piece 2 are connected with the connecting structure 4, a plurality of groups of pipelines are connected through the connecting structure 4, the connecting structure 4 comprises shunt outlets 403, and the shunt outlets 403 are fixedly connected with the shunt tubes 3;

a connecting pipeline 402 is arranged on one side of the shunt outlet 403, which is far away from the shunt pipe 3, the connecting pipeline 402 is in sliding connection with the shunt outlet 403, a connecting part is provided with threads, the shunt outlet 403 is in sliding connection with a sealing cover 5, the connecting part is provided with threads, the outlet is sealed through the sealing cover 5 aiming at an unnecessary connecting port, a sealing strip 405 is arranged at the connecting part of the connecting pipeline 402 and the shunt outlet 403, and the sealing strip 405 has elasticity and is sealed through the elasticity characteristic of the sealing strip 405;

a drainage cannula 404 penetrates through one side inside the connecting pipeline 402, the drainage cannula 404 is in sliding connection with the shunt outlet 403, the connecting structure 4 has the working principle that the connecting pipeline 402 is in threaded sliding connection with the shunt outlet 403, a thread groove plays a certain sealing role, the drainage cannula 404 is inserted into the shunt outlet 403 for drainage, a flow blocking block 406 is arranged on one side inside the shunt outlet 403 close to the connecting pipeline 402, buffer pads 407 are arranged at the top end and the bottom end of the drainage cannula 404 close to the connecting pipeline 402, the buffer pads 407 are in contact with the flow blocking block 406, the flow blocking block 406 and the buffer pads 407 are used for further sealing and preventing interface leakage, and a second guide pipe 401 penetrates through one side of the connecting pipeline 402 far from the shunt outlet 403;

the junction of drainage intubate 404 and second honeycomb duct 401 is equipped with anti-vortex and strains lid 408, and anti-vortex strains the appearance that lid 408 contracts to second honeycomb duct 401 one side, one side of anti-vortex is strained lid 408 and is run through to have and run through groove 409, and run through groove 409 and be equipped with the multiunit, and strain the axis annular distribution of lid 408 about anti-vortex, the effect that runs through groove 409 that annular distribution on anti-vortex strains the lid 408 is the effect of breaing up rivers and reaching anti-vortex, avoid rivers change to produce the vortex.

The working principle is as follows: the utility model discloses when using, at first, the theory of operation that expands and contracts structure 1 installs buffering inner tube 105 in the inside of first honeycomb duct 101 through activity slider 104, and the elasticity performance through elastic element 103 slows down liquid pressure difference when flowing in the shrink pipeline, and buffering inner tube 105 can be in the inside activity of first honeycomb duct 101, is used for slowing down rivers to the pressure of body, reaches the effect of body crack control.

Afterwards, export through sealed lid 5 is sealed, connect the multiunit pipeline through connection structure 4, and the effect that runs through groove 409 of annular distribution on the anti-vortex filter cover 408 is the effect of breaking up rivers and reaching the anti-vortex, avoid rivers change and produce the vortex, connection structure 4's theory of operation is through connecting tube 402 and branch export 403 screw thread sliding connection, the thread groove plays certain sealed effect, the elastic characteristic of rethread sealed strip 405 is sealed, the inside drainage that drainage intubate 404 injects branch export 403, the choked flow sprue 406 and the effect of cushion 407 are further sealed prevention kneck seepage.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fire control is with resistant pressure expansion pipe of preventing ftractureing, includes connecting piece (2), its characterized in that:

the expansion and contraction structure (1) is arranged at the top end of the connecting piece (2), the expansion and contraction structure (1) comprises a first guide pipe (101), and the bottom end of the first guide pipe (101) is fixedly connected with the connecting piece (2);

connection structure (4), the equal fixedly connected with shunt tubes (3) in bottom and both sides of connecting piece (2), and shunt tubes (3) keep away from the one end of connecting piece (2) and be connected with connection structure (4), and connection structure (4) are including dividing egress opening (403), divide egress opening (403) and shunt tubes (3) fixed connection.

2. The anti-cracking pressure-resistant expansion and contraction pipe for fire fighting as claimed in claim 1, wherein: the inside intermediate position department of first honeycomb duct (101) is equipped with buffering inner tube (105), and cushions inner tube (105) and be inside hollow tubulose appearance, one side that buffering inner tube (105) are close to first honeycomb duct (101) is equipped with embedded groove (102), and embedded groove (102) are equipped with the multiunit and are the annular distribution about the surface of buffering inner tube (105).

3. The anti-cracking pressure-resistant expansion and contraction pipe for fire fighting as claimed in claim 2, wherein: the inside of embedded groove (102) is equipped with elastic element (103), and elastic element (103) have elasticity, one side of elastic element (103) is connected with movable slider (104), and one side and first honeycomb duct (101) fixed connection that elastic element (103) were kept away from in movable slider (104), sliding connection between movable slider (104) and embedded groove (102).

4. The anti-cracking pressure-resistant expansion and contraction pipe for fire fighting as claimed in claim 1, wherein: divide outflow opening (403) to keep away from one side of shunt tubes (3) and be equipped with connecting tube (402), and connecting tube (402) and branch outflow opening (403) sliding connection, and the junction is equipped with the screw thread, divide outflow opening (403) and sealed lid (5) sliding connection, and the junction is equipped with the screw thread, the junction of connecting tube (402) and branch outflow opening (403) is equipped with sealing strip (405), and sealing strip (405) have elasticity.

5. The fire fighting anti-cracking pressure-resistant expanding and contracting pipe as claimed in claim 4, wherein: the inside one side of connecting tube (402) is run through and is had drainage cannula (404), and drainage cannula (404) and reposition of redundant personnel exit (403) between sliding connection, the inside one side that is close to connecting tube (402) of reposition of redundant personnel exit (403) is equipped with choked flow sprue (406), drainage cannula (404) are close to the top and the bottom of connecting tube (402) and all are equipped with blotter (407), and blotter (407) and choked flow sprue (406) are inconsistent, one side that branch export (403) was kept away from in connecting tube (402) is run through and is had second honeycomb duct (401).

6. The fire fighting anti-cracking pressure-resistant expanding and contracting pipe as claimed in claim 5, wherein: drainage intubate (404) and second honeycomb duct (401) junction is equipped with the anti-vortex and strains lid (408), and the anti-vortex strains the appearance that lid (408) shrink to second honeycomb duct (401) one side, the anti-vortex is strained one side of lid (408) and is run through and has run through groove (409), and runs through groove (409) and be equipped with the multiunit to strain the axis annular distribution of lid (408) about the anti-vortex.