CN214222331U

CN214222331U - Self-closing flexible pipe connecting valve

Info

Publication number: CN214222331U
Application number: CN202120026823.7U
Authority: CN
Inventors: 伏全威
Original assignee: Ito F Energy Equipment Corp
Current assignee: Ito F Energy Equipment Corp
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-09-17
Anticipated expiration: 2031-01-06

Abstract

The utility model relates to a self-closing flexible pipe connecting valve, which comprises a valve body, a gas outlet connecting pipe and a joint, wherein a fixing ring is fixedly arranged at one end of the gas outlet connecting pipe, which is close to the joint, and the outer wall of the fixing ring is attached to the inner wall of the gas outlet connecting pipe; a flow guide ring is arranged in the fixed ring in a sliding manner along the axial direction of the fixed ring, and the outer wall of the flow guide ring is attached to the inner wall of the fixed ring; one end of the guide ring extends into the joint and is abutted against the end part of the air outlet pipe, and the other end of the guide ring is positioned on one side of the fixing ring, which is far away from the joint, and is connected with a spoiler; the spoiler is circular, the outer wall of the spoiler is attached to the inner wall of the air outlet connecting pipe, a plurality of air inlets are formed in the spoiler and positioned on the outer side of the air outlet connecting pipe, and a plurality of vent holes are formed in the outer side wall of the flow guide ring and positioned between the spoiler and the fixing ring; an elastic piece which applies elasticity towards the direction far away from the air outlet connecting pipe to the guide ring is connected between one end of the guide ring extending into the joint and the fixing ring. The utility model has the advantages of can effectively reduce safe risk.

Description

Self-closing flexible pipe connecting valve

Technical Field

The utility model belongs to the technical field of the technique of gas valve and specifically relates to a self-closing flexible pipe connecting valve is related to.

Background

The valve is a general name of mechanical products with movable mechanisms and used for controlling media in a pipeline, and the valve applied to a gas pipeline to realize gas control is also called a flexible pipe connecting valve. With the improvement of the social living standard, the requirements of people on all aspects of a living room are improved, and because the hidden installation does not influence the indoor decoration effect, when a gas pipeline is installed, the gas pipeline is usually hidden in a wall body, and a flexible pipe connecting valve is a valve used on a wall box of a hidden embedded metal corrugated hose, the front end of the flexible pipe connecting valve extends into the wall box and is connected with a metal corrugated pipe in the wall box, and the rear end of the flexible pipe connecting valve is connected with a water heater, a stove and the like through hoses.

The traditional Chinese patent with the authorization bulletin number of CN202531891U discloses a gas angle valve, which comprises a valve body, wherein a gas outlet is arranged at the right end of the valve body, a gas outlet connecting pipe is fixedly connected in the gas outlet, a joint is sleeved on the right end of the gas outlet connecting pipe, a retaining shoulder is arranged on the inner side surface of the left end of the joint, an internal thread is arranged on the inner side surface of the joint, a convex shoulder, an annular groove and a convex ring are arranged on the outer side surface of the gas outlet connecting pipe from left to right, a groove is arranged on the outer side surface of the convex ring, a clamping ring is clamped in the groove, the outer side part of the clamping ring protrudes out of the outer side surface of the convex ring, the retaining shoulder is positioned at the left side of the clamping ring, and the right end of the retaining shoulder can abut against the clamping ring; the left end of the joint can abut against the right end face of the convex shoulder, when the left end of the joint abuts against the right end face of the convex shoulder, the groove is located on the right side of the right end face of the joint, and the inner side face of the right end of the joint is opposite to the outer side face of the convex ring. When the gas outlet pipe is used, the gas outlet pipe connected with gas devices such as a water heater, a stove and the like is connected with the internal thread of the gas outlet connecting pipe joint.

The above prior art solutions have the following drawbacks: the gas outlet pipe connected with the joint is easy to fall off the joint due to the fact that the gas outlet pipe is subjected to impact pressure of gas for a long time and thread slipping easily occurs; when the pipeline is maintained, the air outlet pipe is frequently detached without closing the valve; under the condition that the valve is not closed, no matter the air outlet pipe falls off or the air outlet pipe is detached by mistake, the gas leakage is bound to be caused, and safety accidents can be caused when the gas leakage is serious, so that great safety risks are brought to users.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a self-closing flexible pipe connecting valve, it has the advantage that can effectively reduce safe risk to prior art exists not enough.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a self-closing flexible pipe connecting valve comprises a valve body and an air outlet connecting pipe, wherein one end of the air outlet connecting pipe is connected with the valve body, and the other end of the air outlet connecting pipe is provided with a connector; the inner diameter of the joint is larger than that of the air outlet connecting pipe, and an internal thread is arranged on the inner side wall of the joint; a fixing ring is fixedly arranged at one end, close to the joint, in the air outlet connecting pipe, and the outer wall of the fixing ring is attached to the inner wall of the air outlet connecting pipe; a guide ring is arranged in the fixed ring in a sliding manner along the axial direction of the fixed ring, and the outer wall of the guide ring is attached to the inner wall of the fixed ring; one end of the flow guide ring extends into the joint and abuts against the end part of the air outlet pipe, and the other end of the flow guide ring is positioned on one side of the fixing ring, which is far away from the joint, and is connected with a spoiler; the spoiler is circular, the outer wall of the spoiler is attached to the inner wall of the air outlet connecting pipe, a plurality of air inlets are formed in the spoiler and positioned on the outer side of the flow guide ring, and a plurality of vent holes are formed in the outer side wall of the flow guide ring and positioned between the spoiler and the fixing ring; an elastic piece which applies elasticity towards the direction far away from the air outlet connecting pipe to the guide ring is connected between one end of the guide ring extending into the joint and the fixing ring.

Through adopting above-mentioned technical scheme, when taking off the outlet duct in the joint or the outlet duct is automatic to break away from when connecting, the water conservancy diversion ring can move to the joint direction under the elastic force effect of elastic component for spoiler and the laminating of the terminal surface of solid fixed ring's the keeping away from joint, thereby seal the inlet port. The effects of avoiding gas leakage and effectively reducing the use safety risk are achieved.

The present invention may be further configured in a preferred embodiment as: one end of the guide ring extending into the joint is provided with a butting ring which butts against the end part of the air outlet pipe, and the elastic part is a spring sleeved on the guide ring; one end of the spring is abutted against the abutting ring, and the other end of the spring is abutted against the fixing ring.

Through adopting above-mentioned technical scheme, on the one hand, the spring sets up simply, and is with low costs. On the other hand, because the spring cover is established on the water conservancy diversion ring, the water conservancy diversion ring can play the guide effect for the spring for its drive effect is more stable.

The present invention may be further configured in a preferred embodiment as: the edge that the butt ring is close to solid fixed ring's terminal surface is provided with the spacing ring that extends to solid fixed ring direction, the spacing ring is provided with the first rubber ring of solid fixed ring butt on being close to solid fixed ring's the terminal surface.

Through adopting above-mentioned technical scheme, the spacing ring has limiting displacement, screws the outlet duct and can make spacing ring and solid fixed ring offset after connecting, has increased the joint strength of each structure, prevents that the spring from being compressed too much and leading to damaging.

The present invention may be further configured in a preferred embodiment as: and a second rubber ring is arranged on the end face, far away from the fixed ring, of the butting ring.

Through adopting above-mentioned technical scheme, increased the leakproofness between butt ring and the solid fixed ring, prevent that the gas from leaking by solid fixed ring and the clearance between the butt ring.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a spoiler is fixed with including solid fixed ring, gu be provided with the guide bar on the terminal surface that solid fixed ring is close to the spacing ring, the one end that the spacing ring is close to solid fixed ring is provided with and supplies the guide bar to insert and slide complex guiding hole with the guide bar, the length of guide bar is greater than the distance between spoiler and the solid fixed ring.

Through adopting above-mentioned technical scheme, the guide bar can play the guide effect to the removal of water conservancy diversion ring for it removes more stably, can not rotate along with the rotation of the outlet duct of bayonet joint.

The present invention may be further configured in a preferred embodiment as: and a third rubber ring is arranged on the end face, close to the spoiler, of the fixing ring.

Through adopting above-mentioned technical scheme, increased the leakproofness between outlet duct and the solid fixed ring.

The present invention may be further configured in a preferred embodiment as: the spoiler is close to on solid fixed ring's the terminal surface and is located the water conservancy diversion ring outside and is provided with the fourth rubber ring, the inlet port runs through the fourth rubber ring sets up.

Through adopting above-mentioned technical scheme the leakproofness when having increased guide plate and solid fixed ring and offset.

The present invention may be further configured in a preferred embodiment as: the flow baffle is provided with a conical flow guide block on the end face far away from the flow guide ring, the tip of the conical flow guide block faces the direction far away from the flow baffle, and the air inlet is distributed on the outer side of the conical flow guide block.

Through adopting above-mentioned technical scheme, toper water conservancy diversion piece has the water conservancy diversion effect, can do benefit to the flow of gas with the gas guide inlet opening department of directive guide plate, has also reduced the pressure that the guide plate received.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the fixing ring, the flow guide ring, the air inlet hole, the vent hole and the elastic piece, when the air outlet pipe in the joint is taken down or the air outlet pipe is automatically separated from the joint, the elastic piece can drive the spoiler to be attached to the end face, far away from the joint, of the fixing ring, so that the air inlet hole is sealed, the gas can be effectively prevented from leaking, and the safety risk is reduced;

2. due to the arrangement of the abutting ring, the limiting ring and the first rubber ring, the sealing property between the guide ring and the fixing ring is improved, and the gas is further prevented from leaking;

3. through toper water conservancy diversion piece, fourth rubber ring and third rubber ring, reduced the resistance that the gas got into the water conservancy diversion ring, also increased the leakproofness when spoiler offsets with solid fixed ring.

Drawings

FIG. 1 is a schematic diagram of the overall construction of a self-closing flexible pipe connection valve;

FIG. 2 is a cross-sectional view of the self-closing flexible tubing connector valve;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram for showing a connection relationship between the fixing ring and the guide ring.

In the figure, 1, a valve body; 11. an air outlet connecting pipe; 12. a joint; 2. a fixing ring; 21. a guide bar; 22. a third rubber ring; 23. a positioning ring; 3. a flow guide ring; 31. a vent hole; 32. a butting ring; 33. a spring; 34. a limiting ring; 35. a first rubber ring; 36. a second rubber ring; 37. a guide hole; 4. a spoiler; 41. an air inlet; 42. a fourth rubber ring; 5. a conical flow guide block; 6. and an air outlet pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1, for the utility model discloses a self-closing flexible pipe connecting valve, including valve body 1 and the takeover 11 of giving vent to anger, the one end of the takeover 11 of giving vent to anger is connected with valve body 1, and the other end of the takeover 11 of giving vent to anger is provided with and connects 12. The inner diameter of the joint 12 is larger than that of the air outlet connecting pipe 11, inner threads are arranged on the inner side wall of the joint 12, and the air outlet pipe 6 connected with the air using device extends into the joint 12 and is in threaded connection with the joint 12.

Referring to fig. 2, a fixing ring 2 is fixedly arranged at one end of the air outlet connecting pipe 11 close to the joint 12, and the outer wall of the fixing ring 2 is attached to the inner wall of the air outlet connecting pipe 11. Referring to fig. 3, one end of the fixing ring 2 close to the joint 12 is provided with a positioning ring 23 which is fixedly bonded with one end of the air outlet connecting pipe 11 close to the joint 12, the inner diameter of the positioning ring 23 is equal to the inner diameter of the fixing ring 2, and the outer diameter of the positioning ring 23 is equal to the inner diameter of the joint 12. Referring to fig. 2, the fixing ring 2 is provided with a flow guide ring 3 in a sliding manner along the axial direction of the fixing ring 2, and the outer wall of the flow guide ring 3 is attached to the inner wall of the fixing ring 2. One end of the guide ring 3 extends into the joint 12 and abuts against the end of the air outlet pipe 6 (refer to fig. 1), and the other end of the guide ring 3 is located on one side of the fixing ring 2 far away from the joint 12 and is connected with a spoiler 4. The spoiler 4 is circular and the outer wall is laminated with the inner wall of the air outlet connecting pipe 11, the outer side of the spoiler 4 which is positioned on the flow guide ring 3 is provided with a plurality of air inlets 41, and the outer side wall of the flow guide ring 3 which is positioned between the spoiler 4 and the fixing ring 2 is provided with a plurality of air vents 31. The gas flowing into the gas outlet pipe 11 enters between the conical flow guide block 5 and the fixing ring 2 through the gas inlet 41, then enters into the flow guide ring 3 through the vent hole 31, and further enters into the gas outlet pipe 6 connected with the joint 12.

Referring to fig. 2, one end of the baffle ring 3 extending into the joint 12 is provided with a butt ring 32 abutting against the end of the outlet pipe 6, and the edge of the butt ring 32 close to the end face of the fixing ring 2 is provided with a limit ring 34. The limiting ring 34 and the abutting ring 32 are coaxial and extend towards the direction of the fixing ring 2, and a first rubber ring 35 is arranged on the end face of the limiting ring 34 close to the fixing ring 2. Referring to fig. 3, the first rubber ring 35 abuts against the positioning ring 23, and the end surface of the abutting ring 32 away from the fixed ring 2 is provided with a second rubber ring 36. The end face, close to the limiting ring 34, of the fixing ring 2 is fixed with a guide rod 21, one end, close to the fixing ring 2, of the limiting ring 34 is provided with a guide hole 37 for the guide rod 21 to be inserted and to be matched with the guide rod 21 in a sliding mode, the length of the guide rod 21 is larger than the distance between the spoiler 4 and the fixing ring 2, and therefore the guide rod 21 is always kept in a state of being connected with the guide hole 37 in the moving process of the guide ring 3. The deflector ring 3 stretches into and is connected with the elastic component that exerts the elasticity of keeping away from the takeover 11 direction of giving vent to anger towards deflector ring 3 between the one end that connects 12 and solid fixed ring 2, when taking off the outlet duct 6 in the joint 12 or the automatic joint 12 that breaks away from of outlet duct 6, deflector ring 3 moves to joint 12 direction under the elastic force effect of elastic component to make spoiler 4 and the terminal surface butt of the joint 12 of keeping away from of solid fixed ring 2, seal inlet port 41. Specifically, the elastic member is a spring 33 sleeved on the flow guide ring 3, one end of the spring 33 abuts against the abutting ring 32, and the other end of the spring abuts against the fixing ring 2.

Referring to fig. 2, a third rubber ring 22 is disposed on the end surface of the fixed ring 2 close to the spoiler 4, a fourth rubber ring 42 is disposed on the end surface of the spoiler 4 close to the fixed ring 2 and outside the deflector ring 3, and the air inlet 41 penetrates through the fourth rubber ring 42. When the air outlet pipe 6 is separated from the joint 12, the third rubber ring 22 is attached to the fourth rubber ring 42, so that the tightness of the air inlet hole 41 is improved. Referring to fig. 4, a conical diversion block 5 is disposed on the end surface of the spoiler 4 away from the diversion ring 3, the tip of the conical diversion block 5 faces the direction away from the spoiler 4, and the air inlets 41 are four and are all distributed on the outer side of the conical diversion block 5 along the circumferential direction of the spoiler 4.

The implementation principle of the above embodiment is as follows:

during the initial stage, outlet duct 6 and joint 12 threaded connection and with the second rubber ring 36 butt on the butt ring 32, spacing ring 34 is close to the first rubber ring 35 and the holding ring 23 butt of holding ring 23 one end, has increased the leakproofness between solid fixed ring 2 and the water conservancy diversion ring 3, prevents that the gas from leaking. At this time, the gas flowing into the gas outlet pipe 11 enters between the conical flow guide block 5 and the fixing ring 2 through the gas inlet 41, then enters into the flow guide ring 3 through the vent hole 31, and further enters into the gas outlet pipe 6 connected with the joint 12.

After the outlet duct 6 breaks away from the joint 12, the deflector ring 3 moves towards the joint 12 under the elastic force of the spring 33, so that the fourth rubber ring 42 on the spoiler 4 abuts against the third rubber ring 22 on the fixing ring 2, the air inlet 41 is sealed, the condition that the fuel gas leaks after the outlet duct 6 breaks away from the joint 12 is avoided, and the safety risk is effectively reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A self-closing flexible pipe connecting valve comprises a valve body (1) and an air outlet connecting pipe (11), wherein one end of the air outlet connecting pipe (11) is connected with the valve body (1), and the other end of the air outlet connecting pipe (11) is provided with a connector (12); the inner diameter of the joint (12) is larger than that of the air outlet connecting pipe (11), and internal threads are arranged on the inner side wall of the joint (12); the method is characterized in that: a fixing ring (2) is fixedly arranged at one end, close to the joint (12), in the air outlet connecting pipe (11), and the outer wall of the fixing ring (2) is attached to the inner wall of the air outlet connecting pipe (11); a guide ring (3) is arranged in the fixing ring (2) in a sliding manner along the axial direction of the fixing ring (2), and the outer wall of the guide ring (3) is attached to the inner wall of the fixing ring (2); one end of the guide ring (3) extends into the joint (12) and is abutted against the end part of the air outlet pipe (6), and the other end of the guide ring (3) is positioned on one side of the fixed ring (2) far away from the joint (12) and is connected with a spoiler (4); the spoiler (4) is circular, the outer wall of the spoiler is attached to the inner wall of the air outlet connecting pipe (11), a plurality of air inlets (41) are formed in the spoiler (4) and positioned on the outer side of the flow guide ring (3), and a plurality of vent holes (31) are formed in the outer side wall of the flow guide ring (3) and positioned between the spoiler (4) and the fixing ring (2); an elastic piece which applies elastic force towards the direction far away from the air outlet connecting pipe (11) to the flow guide ring (3) is connected between one end, extending into the joint (12), of the flow guide ring (3) and the fixing ring (2).

2. A self-closing flexible pipe connection valve according to claim 1, wherein: one end of the flow guide ring (3) extending into the joint (12) is provided with a butting ring (32) which butts against the end part of the air outlet pipe (6), and the elastic part is a spring (33) sleeved on the flow guide ring (3); one end of the spring (33) is abutted against the abutting ring (32), and the other end of the spring is abutted against the fixed ring (2).

3. A self-closing flexible pipe connection valve according to claim 2, wherein: the edge that butt joint ring (32) are close to the terminal surface of solid fixed ring (2) is provided with spacing ring (34) that extend to solid fixed ring (2) direction, spacing ring (34) are close to and are provided with first rubber ring (35) of solid fixed ring (2) butt on the terminal surface of solid fixed ring (2).

4. A self-closing flexible pipe connection valve according to claim 2 or 3, wherein: and a second rubber ring (36) is arranged on the end face, away from the fixed ring (2), of the abutting ring (32).

5. A self-closing flexible pipe connection valve according to claim 3, wherein: the utility model discloses a stopper, including solid fixed ring (2), guide bar (21) are provided with on the terminal surface that solid fixed ring (2) are close to spacing ring (34), the one end that spacing ring (34) are close to solid fixed ring (2) is provided with and supplies guide bar (21) to insert and slide complex guiding hole (37) with guide bar (21), the length of guide bar (21) is greater than the distance between spoiler (4) and solid fixed ring (2).

6. A self-closing flexible pipe connection valve according to claim 1, wherein: and a third rubber ring (22) is arranged on the end face, close to the spoiler (4), of the fixing ring (2).

7. A self-closing flexible pipe connection valve according to claim 1, wherein: the spoiler (4) is close to on the terminal surface of solid fixed ring (2) and is located the water conservancy diversion ring (3) outside and is provided with fourth rubber ring (42), inlet port (41) run through fourth rubber ring (42) set up.

8. A self-closing flexible pipe connection valve according to claim 1, wherein: be provided with toper water conservancy diversion piece (5) on the terminal surface of water conservancy diversion ring (3) is kept away from in spoiler (4), the most advanced orientation of toper water conservancy diversion piece (5) is kept away from spoiler (4) direction and is set up, inlet port (41) distribute in the outside of toper water conservancy diversion piece (5).