CN216112688U

CN216112688U - Metal hose with built-in anti-backflow mechanism

Info

Publication number: CN216112688U
Application number: CN202122499353.9U
Authority: CN
Inventors: 赵观军
Original assignee: Jiangsu Jingsheng Hose Co ltd
Current assignee: Jiangsu Jingsheng Hose Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-03-22
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a metal hose with a built-in anti-backflow mechanism, which comprises a metal hose and an anti-backflow mechanism, wherein the metal hose is provided with a sealing ring; a metal hose: the inner part of the metal hose is provided with a silica gel lining, and the left end and the right end of the whole body formed by the metal hose and the silica gel lining are provided with fixed ring seats; backflow prevention mechanism: the outer cambered surface of the backflow prevention mechanism is tightly contacted with the inner cambered surface of the silica gel lining; wherein: still include mounting flange, mounting flange sets up respectively in the outside end department of carrying on the back of the body of two fixed ring seats, backflow prevention mechanism includes single-pass pipe, rubber sleeve, delivery port and installation cover, the installation cover sets up in left fixed ring seat right flank inboard, and the extrados of installation cover and the interior cambered surface in close contact with of silica gel inside lining, this built-in backflow prevention mechanism's metal collapsible tube can be connected closely with external equipment, reduces the condition of fluid leakage.

Description

Metal hose with built-in anti-backflow mechanism

Technical Field

The utility model relates to the technical field of metal hoses, in particular to a metal hose with a built-in anti-backflow mechanism.

Background

The metal hose product includes oil-absorbing hose, steam hose, sand-blasting hose, acid-alkali hose, food hose, oxygen-blowing hose and various special-shaped hoses, and is widely applied in the industries of machinery, chemical engineering, petroleum, metallurgy, food and the like, in the prior structure, the metal hose is mainly composed of three parts, namely a corrugated pipe, a net sleeve and a joint, the corrugated pipe is the body of the metal hose and plays a flexible role, the net sleeve plays a reinforcing and shielding role, the joint plays a connecting role, when the metal hose is used for operation in some special fields, fluid needs to be placed to flow back in the metal hose, the traditional treatment mode is to add a check valve between the metal hose and the connection part of external equipment, the operation can also achieve the effect of preventing the fluid from flowing back, but the installation is complicated, the untight condition of pipeline connection is easily caused, and the condition of fluid leakage is easily generated, therefore, we propose a metal hose with a built-in anti-backflow mechanism.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, and provide a metal hose with a built-in anti-backflow mechanism, which can be tightly connected with external equipment, reduces the condition of fluid leakage, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a metal hose with a built-in anti-backflow mechanism comprises the metal hose and the anti-backflow mechanism;

a metal hose: the inner part of the metal hose is provided with a silica gel lining, and the left end and the right end of the whole body formed by the metal hose and the silica gel lining are provided with fixed ring seats;

backflow prevention mechanism: the outer cambered surface of the backflow prevention mechanism is tightly contacted with the inner cambered surface of the silica gel lining;

wherein: the mounting flange is arranged at the end positions, away from the outer side, of the two fixing ring seats respectively, the whole structure is simple, the mounting is convenient, the mounting flange can be tightly connected with external equipment, the condition of fluid leakage is reduced, and the production safety is guaranteed.

Further, anti-return mechanism includes single-pass pipe, rubber sleeve, delivery port and installation cover, the installation cover sets up in left stationary ring seat right flank inboard, and the extrados of installation cover and the intrados in close contact with of silica gel inside lining, single-pass pipe set up in the right-hand member round mouth of installation cover, and the delivery port evenly sets up in the extrados middle part of single-pass pipe, and the extrados middle part of single-pass pipe is located to the rubber sleeve cover, can prevent that the fluid from taking place the backward flow inside the hose.

Further, still include the loudspeaker cover, the right-hand member of installation cover is established in to the loudspeaker cover, and the intrados in close contact with of the extrados of loudspeaker cover and silica gel inside lining eliminates the fault that pipeline internally mounted part formed, provides the direction for fluidic flow.

Further, still include the toper ring, the toper ring sets up in mounting flange's left surface middle part, improves the compactness of hose and external equipment junction.

Furthermore, the sealing device also comprises an O-shaped ring, wherein the O-shaped ring is movably sleeved outside the conical ring, so that the tightness of the joint of the hose and external equipment is further improved.

Furthermore, the hose clamp further comprises an outer sheath, the outer sheath is fixedly sleeved outside the metal hose, the left end and the right end of the outer sheath are fixedly connected with the fixing ring seats on the left side and the right side respectively, the outer portion of the hose is protected, and the service life of the hose is prolonged.

Further, still include the flow direction sign, the flow direction sign sets up in the extrados middle part of oversheath, and the arrow point direction and the installation cover position of flow direction sign correspond, carry out the sign to the water conservancy diversion direction of hose, the dark commentaries on classics of the hose of being convenient for.

Compared with the prior art, the utility model has the beneficial effects that: this built-in anti-return mechanism's metal collapsible tube has following benefit:

according to the direction of an arrow of a flow direction mark, the mounting flange on the right side is butted with a liquid outlet pipe of external fluid storage equipment by using a bolt, the conical ring on the right side is clamped into the liquid outlet pipe of the external fluid storage equipment, the mounting flange on the left side is butted with a liquid inlet pipe of the external fluid use equipment, the conical ring on the left side is clamped into the liquid inlet pipe of the external fluid use equipment, meanwhile, the tight connection of all the butted parts is ensured under the action of an O-shaped ring to prevent liquid leakage, the external fluid storage equipment pumps fluid into the inside of a silica gel lining through an internal pumping device, the fluid flows to the left end of the silica gel lining and enters the inside of a single-way pipe under the flow guiding action of a horn sleeve, under the action of the self pressure of the fluid, the fluid jacks up a rubber sleeve through a water outlet to enter a gap between the mounting sleeve and the single-way pipe, finally enters the external fluid use equipment, and when the external fluid storage equipment stops feeding, the inside fluid pressure of silica gel inside lining reduces, is not enough jack-up rubber sleeve, and rubber sleeve carries out the shutoff to the delivery port in the automatic shrink under the effect of self elasticity to this fluid that prevents to get into outside fluid user equipment takes place the backward flow, and overall structure is simple, and simple to operate can be inseparable with external equipment connection, reduces the condition of fluid leakage, guarantees production safety.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an enlarged schematic view of the structure at A of the present invention.

In the figure: the device comprises a metal hose 1, a silica gel lining 2, an outer sheath 3, a fixing ring seat 4, an anti-backflow mechanism 5, a single-way pipe 51, a rubber sleeve 52, a water outlet 53, an installation sleeve 54, an installation flange 6, a conical ring 7, an O-shaped ring 8, a horn sleeve 9 and a flow direction mark 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a metal hose with a built-in anti-backflow mechanism comprises a metal hose 1 and an anti-backflow mechanism 5;

the metal hose 1: the inner part of the metal hose is provided with a silica gel lining 2, the silica gel lining 2 protects the metal hose 1 to avoid corrosion of corrosive liquid to the metal hose 1, the left and right ends of the whole body formed by the metal hose 1 and the silica gel lining 2 are respectively provided with a fixed ring seat 4, each part is fixed by the fixed ring seats 4, the metal hose further comprises a conical ring 7, the conical ring 7 improves the tightness of the joint of the hose and external equipment, the conical ring 7 is arranged in the middle of the left side surface of a mounting flange 6, the O-shaped ring 8 further improves the tightness of the joint of the hose and the external equipment, the O-shaped ring 8 is movably sleeved outside the conical ring 7 and further comprises an outer sheath 3, the outer sheath 3 is fixedly sleeved outside the metal hose 1, the outer sheath 3 protects the outside of the hose to improve the service life of the hose, the left and right ends of the outer sheath 3 are respectively and fixedly connected with the fixed ring seats 4 on the left and right sides, the flow direction mark 10 is arranged in the middle of the outer arc surface of the outer sheath 3, the arrow direction of the flow direction mark 10 corresponds to the position of the mounting sleeve 54, the flow direction mark 10 marks the flow guide direction of the hose, the hose is convenient to rotate in a dark mode, according to the arrow direction of the flow direction mark 10, the mounting flange 6 on the right side is in butt joint with a liquid outlet pipe of external fluid storage equipment by using a bolt, the conical ring 7 on the right side is clamped into the liquid outlet pipe of the external fluid storage equipment, the mounting flange 6 on the left side is in butt joint with a liquid inlet pipe of the external fluid using equipment, the conical ring 7 on the left side is clamped into the liquid inlet pipe of the external fluid using equipment, meanwhile, the butt joint of all parts is guaranteed to be tightly connected under the action of the O-shaped ring 8, and liquid leakage is prevented;

backflow prevention mechanism 5: the backflow prevention mechanism 5 prevents backflow of fluid in the pipe, is arranged on the inner side of the right side face of the left fixed ring seat 4, the outer arc face of the backflow prevention mechanism 5 is in close contact with the inner arc face of the silica gel lining 2, the backflow prevention mechanism 5 comprises a single-way pipe 51, a rubber sleeve 52, a water outlet 53 and an installation sleeve 54, the installation sleeve 54 is arranged on the inner side of the right side face of the left fixed ring seat 4, the outer arc face of the installation sleeve 54 is in close contact with the inner arc face of the silica gel lining 2, the single-way pipe 51 is arranged in a right-end circular opening of the installation sleeve 54, the water outlet 53 is uniformly arranged in the middle of the outer arc face of the single-way pipe 51, the rubber sleeve 52 is sleeved in the middle of the outer arc face of the single-way pipe 51, the backflow prevention mechanism further comprises a horn sleeve 9, the horn sleeve 9 is arranged on the right end of the installation sleeve 54, the outer arc face of the horn sleeve 9 is in close contact with the inner arc face of the silica gel lining 2, and an external fluid storage device pumps the fluid into the silica gel lining 2 through an internal pumping device, the fluid flows to the left end of the silica gel lining 2, enters the inside of the single-pass pipe 51 under the diversion effect of the horn sleeve 9, under the action of the self pressure of the fluid, the fluid jacks up the rubber sleeve 52 through the water outlet 53 and enters a gap between the mounting sleeve 54 and the single-pass pipe 51, and finally enters external fluid using equipment, when the external fluid storage equipment stops feeding, the pressure of the fluid inside the silica gel lining 2 is reduced and is not enough to jack up the rubber sleeve 52, and the rubber sleeve 52 automatically contracts under the action of the self elasticity to plug the water outlet 53, so that the backflow of the fluid entering the external fluid using equipment is prevented;

wherein: the mounting flange 6 is convenient for butt joint of the hose and the mounting component, and the mounting flange 6 is respectively arranged at the end heads, opposite to the outer side, of the two fixed ring seats 4.

The working principle of the metal hose with the built-in anti-backflow mechanism provided by the utility model is as follows: according to the direction of an arrow of the flow direction mark 10, the mounting flange 6 on the right side is butted with a liquid outlet pipe of external fluid storage equipment by using a bolt, the conical ring 7 on the right side is clamped into the liquid outlet pipe of the external fluid storage equipment, the mounting flange 6 on the left side is butted with a liquid inlet pipe of the external fluid using equipment, the conical ring 7 on the left side is clamped into the liquid inlet pipe of the external fluid using equipment, meanwhile, the tight connection of all butted parts is ensured under the action of an O-shaped ring 8, liquid leakage is prevented, the external fluid storage equipment pumps fluid into the inside of the silica gel lining 2 through an internal pumping device, the fluid flows to the left end of the silica gel lining 2, enters the inside of the single-way pipe 51 under the flow guiding action of the horn sleeve 9, under the action of the self pressure of the fluid, the fluid jacks up the rubber sleeve 52 through the water outlet 53 to enter a gap between the mounting sleeve 54 and the single-way pipe 51, and finally enters the external fluid using equipment, when the external fluid storage equipment stops supplying, the pressure of the fluid in the silica gel lining 2 is reduced and is not enough to jack up the rubber sleeve 52, and the rubber sleeve 52 automatically shrinks under the action of the self elasticity to block the water outlet 53, so that the backflow of the fluid entering the external fluid using equipment is prevented.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a built-in anti-return mechanism's metal collapsible tube which characterized in that: comprises a metal hose (1) and an anti-backflow mechanism (5);

metal hose (1): a silica gel lining (2) is arranged in the metal hose, and fixing ring seats (4) are arranged at the left end and the right end of the whole body consisting of the metal hose (1) and the silica gel lining (2);

backflow prevention mechanism (5): the outer arc surface of the backflow prevention mechanism (5) is tightly contacted with the inner arc surface of the silica gel lining (2);

wherein: still include mounting flange (6), mounting flange (6) set up respectively in the outside end department that keeps away from of two fixed ring seats (4).

2. The metal hose with a built-in backflow prevention mechanism according to claim 1, wherein: anti-return mechanism (5) include single siphunculus (51), rubber sleeve (52), delivery port (53) and installation cover (54), installation cover (54) set up in left stationary ring seat (4) right flank inboard, the extrados of installation cover (54) and the intrados in close contact with of silica gel inside lining (2), and single siphunculus (51) set up in the right-hand member round mouth of installation cover (54), and delivery port (53) are evenly seted up in the extrados middle part of single siphunculus (51), and the extrados middle part of single siphunculus (51) is located in rubber sleeve (52) cover.

3. The metal hose with a built-in backflow prevention mechanism according to claim 2, wherein: still include loudspeaker cover (9), loudspeaker cover (9) set up in the right-hand member of installation cover (54), the extrados of loudspeaker cover (9) and the intrados in close contact with of silica gel inside lining (2).

4. The metal hose with a built-in backflow prevention mechanism according to claim 1, wherein: still include conical ring (7), conical ring (7) set up in the left surface middle part of mounting flange (6).

5. The metal hose with a built-in backflow prevention mechanism according to claim 4, wherein: the sealing device further comprises an O-shaped ring (8), and the O-shaped ring (8) is movably sleeved outside the conical ring (7).

6. The metal hose with a built-in backflow prevention mechanism according to claim 2, wherein: the metal hose fixing device is characterized by further comprising an outer sheath (3), wherein the outer portion of the metal hose (1) is fixedly sleeved with the outer sheath (3), and the left end and the right end of the outer sheath (3) are fixedly connected with the fixing ring seats (4) on the left side and the right side respectively.

7. The metal hose with a built-in backflow prevention mechanism according to claim 6, wherein: the outer arc surface of the outer sheath (3) is provided with a flow direction mark (10), the flow direction mark (10) is arranged in the middle of the outer arc surface of the outer sheath, and the arrow direction of the flow direction mark (10) corresponds to the position of the mounting sleeve (54).