CN113389913A

CN113389913A - Air bag valve

Info

Publication number: CN113389913A
Application number: CN202110608844.4A
Authority: CN
Inventors: 钱佑武
Original assignee: Wuhu City Hongda Rubber Plastic Valve Manufacture Co ltd
Current assignee: Wuhu City Hongda Rubber Plastic Valve Manufacture Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-09-14

Abstract

The invention provides an air bag valve which comprises a valve body, a flexible rubber pipe and an adjusting assembly, wherein the flexible rubber pipe transversely penetrates through a valve body shell, the adjusting assembly is arranged between the interior of the valve body and the flexible rubber pipe, air conveying connectors are fixed at the top end and the bottom end of the valve body shell, air exhaust connectors are fixed at the two ends of the valve body shell, the adjusting assembly comprises two extrusion air bags which are symmetrically arranged by taking the flexible rubber pipe as a central shaft and are communicated with the air conveying connectors, a vacuum air pumping cavity connected with the air exhaust connectors is formed between the two extrusion air bags and the outer peripheral surface of the flexible rubber pipe, and a pressurizing air conveying cavity is formed between one side surface of each extrusion air bag, far away from the flexible rubber pipe, and the inner surface of the valve body. The invention improves the gas flow in the valve body, can push and extrude two ends of the soft rubber pipe simultaneously under the condition of arranging a power source, and removes moisture in the valve body by means of the gas flow, thereby preventing moisture from eroding the interior of the valve body.

Description

Air bag valve

Technical Field

The invention mainly relates to the technical field of air bag valves, in particular to an air bag valve.

Background

The air bag valve is also called a pipe clamping valve, a hoop breaking valve and the like, and the air bag valve mainly adopts pneumatic, electric, manual or hydraulic drive modes and the like to extrude a sleeve pipe so as to achieve the effect of opening and closing or adjusting.

According to an air bag valve that patent document that application number is CN201822074316.1 provided can know, this product includes the air bag valve, the gate valve, air pump and gas tube, air bag valve both ends opening, wherein one end is connected with the gate valve, be connected with the air pump on the air bag valve circular arc side, and air bag valve middle part is the ellipsoid, inside cavity, the air pump is aerifyd through gas tube and air bag valve, this product has solved the inside sleeve pipe of current air bag valve and has certain hardness, it is slower to lead to stagnant water speed when carrying out the stagnant water, and current air bag valve stops inconvenient not incessantly carrying on the valve that trades of water, unsatisfied not too much water in many aspects trades the requirement of valve, also inconvenient later stage overhauls the problem of changing to the air bag valve.

However, the above pipe clamp valve has a defect, for example, although the above pipe clamp valve can make things convenient for the problem of later stage to overhaul and change the air bag valve, the traditional air bag valve often needs to set up the power source pushing clamp plate of two similar cylinders, just can realize extruding it from the two ends of the soft rubber pipe, adjusts the material circulation inside the soft rubber pipe, and leads to slow speed of opening and closing of the air bag valve and low production cost.

Disclosure of Invention

The present invention provides a gas bag valve to solve the above technical problems in the background art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides an air bag valve, including the valve body, transversely runs through the flexible glue pipe of valve body casing, and locate the adjusting part between inside and the flexible glue intertube of valve body, valve body casing top all is fixed with the gas transmission connector with the bottom, valve body casing both ends all are fixed with the connector of bleeding, adjusting part including two with the flexible glue pipe sets up and the extrusion gasbag that is linked together with the gas transmission connector as the center pin symmetry, two the extrusion gasbag with be formed with between the flexible glue pipe outer peripheral face with the vacuum pumping chamber that the connector is connected bleeds, every all be formed with pressurization gas transmission chamber between a side surface that the extrusion gasbag kept away from the flexible glue pipe and the valve body internal surface, when the air bag valve was closed, in bleeding the air input extrusion gasbag of intracavity in with the vacuum through the air pump to make two extrusion gasbags inflation extrusion flexible glue pipes.

Furthermore, a high-pressure air release valve is fixed on one side surface, away from the other extrusion air bag, of each extrusion air bag, so that air in the extrusion air bags is discharged into the pressurization air conveying cavity to be pressurized.

Further, the inside both ends of valve body all are fixed with the sealing ring and hold the dish, every the sealing ring holds that the dish is inside all to be equipped with the cover and locates O type circle on the flexible glue pipe, every the sealing ring holds the top of dish and has all seted up the through-hole.

Furthermore, the outside of valve body is equipped with except that damp subassembly, remove damp subassembly including two and be fixed in the solid fixed cylinder on valve body top, two gu the solid fixed cylinder uses the axis of valve body cross section to set up as the central axis symmetry, every gu the inside of solid fixed cylinder all pegs graft and has the drier to hold a section of thick bamboo, every the drier holds a section of thick bamboo top outer wall and all corresponds with one side through the screw thread meshing connection between the solid fixed cylinder inner wall, every the drier holds a bobbin end and all runs through the through-hole extends to inside the sealing ring holds the dish.

Furthermore, every the top that the drier held a section of thick bamboo all is connected with the cover through threaded engagement, every the drier holds the bottom outer peripheral face of a section of thick bamboo and sets up a plurality of small openings that encircle the setting of self radial plane axis.

Furthermore, each drying agent containing cylinder is connected with a sealing mechanism, and each sealing mechanism comprises a first sealing ring and a second sealing ring which are sequentially sleeved on the same side corresponding to the drying agent containing cylinder from top to bottom.

Furthermore, a plurality of first neodymium magnets arranged around the central axis of the cross section of each extrusion air bag are embedded in the surface of one side, close to the other extrusion air bag, of each extrusion air bag.

Furthermore, an extrusion strip is fixed on one side surface of each extrusion air bag, which is close to the other extrusion air bag.

Furthermore, a second neodymium magnet is fixed on the surface of one side, close to the other extrusion strip, of each extrusion strip, and the length of each extrusion strip is larger than the diameter of the soft rubber pipe.

Furthermore, the valve body comprises an upper shell and a lower shell, and fixing lugs for inserting bolts are fixed at two ends of the upper shell.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the invention can simultaneously push and extrude two ends of the soft rubber pipe under the condition of arranging one power source, thereby improving the closing rate of the air bag valve and reducing the cost, and specifically comprises the following steps: the connector of bleeding on the valve body is pumped the intracavity air input through the air pump with the vacuum and is extruded the gasbag for the extrusion gasbag inflation, and when extrusion flexible glue pipe made its closed, the vacuum was pumped the chamber gradually and is taken out to the vacuum, thereby utilizes this vacuum environment to drive two extrusion gasbags and attracts each other, until laminating completely, thereby drives two extrusion gasbags and further extrudees the flexible glue pipe.

Secondly, when gas in the valve body flows, the invention can remove moisture in the valve body, thereby preventing moisture from corroding the inside of the valve body and prolonging the service life of the valve body, and specifically comprises the following steps: because the desiccant holds a section of thick bamboo and successively runs through valve body top casing, vacuum pumping chamber and the sealing ring and holds the through-hole on the dish, extend to the sealing ring and hold the dish inside to utilize the desiccant that bears in the desiccant holds a section of thick bamboo to vacuum pumping chamber and sealing ring hold the dish inside remove the tide, prevent that steam from corroding the valve body inner wall.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a sectional view of the internal structure of the present invention;

FIG. 3 is a sectional view showing the internal structure of the valve body according to the present invention;

FIG. 4 is a schematic plan view of the internal structure of the valve body of the present invention;

FIG. 5 is a plan view of the internal cross-sectional structure of the valve body of the present invention;

FIG. 6 is a schematic illustration of an explosive structure according to the present invention;

FIG. 7 is a schematic view of a desiccant container of the present invention;

FIG. 8 is a schematic view of the construction of the squeeze bag of the present invention.

In the figure: 1. a valve body; 11. a gas transmission connector; 12. an air extraction connector; 13. a seal ring receiving disc; 131. a through hole; 14. an upper housing; 15. a lower housing; 16. fixing the ear; 17. an O-shaped ring; 2. a soft rubber tube; 3. an adjustment assembly; 31. extruding the air bag; 311. a first neodymium magnet; 312. extruding the strip; 313. a second neodymium magnet; 32. a high pressure bleed valve; 33. a vacuum pumping cavity; 34. a pressurized gas delivery cavity; 4. a moisture removal assembly; 41. a fixed cylinder; 42. a desiccant holding cylinder; 421. a leak hole; 43. a cylinder cover; 44. a sealing mechanism; 441. a first seal ring; 442. a second seal ring.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment, referring to fig. 1-4, in a preferred embodiment of the present invention, an air bag valve includes a valve body 1, a flexible rubber hose 2 transversely penetrating through a housing of the valve body 1, and an adjusting assembly 3 disposed inside the valve body 1 and between the flexible rubber hose 2, an air transmission connector 11 is fixed at both top and bottom ends of the housing of the valve body 1, air suction connectors 12 are fixed at both ends of the housing of the valve body 1, the adjusting assembly 3 includes two squeezing air bags 31 symmetrically disposed with the flexible rubber hose 2 as a central axis and communicated with the air transmission connector 11, a vacuum air suction cavity 33 connected with the air suction connector 12 is formed between the two squeezing air bags 31 and an outer peripheral surface of the flexible rubber hose 2, a pressurized air transmission cavity 34 is formed between a side surface of each squeezing air bag 31 away from the flexible rubber hose 2 and an inner surface of the valve body 1, when the air bag valve is closed, air in the vacuum pumping cavity 33 is input into the extrusion air bags 31 through an air pump, so that the two extrusion air bags 31 are expanded and extrude the soft rubber tube 2;

it should be noted that, in this embodiment, when the air bag valve is closed, the air in the vacuum pumping cavity 33 is input into the extrusion air bag 31 by the air pump through the air pumping connector 12, so that the extrusion air bag 31 expands to extrude the soft rubber tube 2 to be closed, and simultaneously, the vacuum pumping cavity 33 formed between the extrusion air bags 31 and the outer peripheral surface of the soft rubber tube 2 is gradually pumped to be vacuum, so that the two extrusion air bags 31 are driven to attract each other by using the vacuum environment until the two extrusion air bags are completely attached to each other, and the two extrusion air bags 31 are driven to further extrude the soft rubber tube 2 in a large area, so as to drive the soft rubber tube 2 to be closed;

further, air is input into the pressurizing and air conveying cavity 34, so that the pressurizing and air conveying cavity 34 is pressurized, the two extruding air bags 31 are pushed to be close to each other by utilizing the high-pressure environment, and the clamping effect of the extruding air bags 31 on the soft rubber tube 2 is improved.

Specifically, please refer to fig. 1 again, in another preferred embodiment of the present invention, the valve body 1 includes an upper housing 14 and a lower housing 15, and fixing lugs 16 for inserting bolts are fixed at both ends of the upper housing 14;

it should be noted that, in this embodiment, the valve body 1 can be divided into two parts, namely, the upper housing 14 and the lower housing 15, so that the upper housing 14 and the lower housing 15 can be conveniently closed by the fixing lugs 16, and the detachable capacity of the valve body 1 is improved by the separation and combination of the upper housing 14 and the lower housing 15.

Specifically, referring to fig. 2, 3 and 4 again, in another preferred embodiment of the present invention, a high-pressure air release valve 32 is fixed on a side surface of each of the squeezing air bags 31 away from the other squeezing air bag 31, so as to discharge air in the squeezing air bags 31 into the pressurizing air-conveying chamber 34 for pressurization, so that the high-pressure air in the pressurizing air-conveying chamber 34 assists the two squeezing air bags 31 to clamp the flexible glue tube 2;

it should be noted that, in this embodiment, the high-pressure gas in the squeezing air bag 31 exceeding the threshold of the high-pressure relief valve 32 is released into the pressurizing air-conveying chamber 34 through the high-pressure relief valve 32 to pressurize the pressurizing air-conveying chamber 34, and since the pressurizing air-conveying chamber 34 is located at a side of the squeezing air bag 31 far from another squeezing air bag 31, the squeezing air bag 31 is pushed by the high-pressure environment, so that the squeezing air bag 31 abuts against the flexible rubber tube 2.

Specifically, please refer to fig. 2, 6 and 7 again, in another preferred embodiment of the present invention, sealing ring accommodating discs 13 are fixed at both ends of the inside of the valve body 1, each sealing ring accommodating disc 13 is internally provided with a through hole 131, the top end of each sealing ring accommodating disc 13 is provided with a dehumidifying component 4, the dehumidifying component 4 comprises two fixed cylinders 41 fixed at the top end of the valve body 1, the two fixed cylinders 41 are symmetrically arranged by taking the central axis of the cross section of the valve body 1 as the central axis, a desiccant accommodating cylinder 42 is inserted into each fixed cylinder 41, the outer wall of the top end of each desiccant accommodating cylinder 42 is engaged and connected with the inner wall of the corresponding fixed cylinder 41 at the same side through a thread, the bottom end of each desiccant accommodating cylinder 42 extends into the sealing ring accommodating disc 13 through the through hole 131, the top end of each desiccant containing cylinder 42 is connected with a cylinder cover 43 through threaded engagement, the peripheral surface of the bottom end of each desiccant containing cylinder 42 is provided with a plurality of leak holes 421 arranged around the central axis of the radial plane of the desiccant containing cylinder, each desiccant containing cylinder 42 is connected with a sealing mechanism 44, and each sealing mechanism 44 comprises a first sealing ring 441 and a second sealing ring 442 which are sequentially sleeved on the same side corresponding to the desiccant containing cylinder 42 from top to bottom;

it should be noted that, in this embodiment, the valve body 1 is made to accommodate the O-ring 17 sleeved on the flexible rubber tube 2 through the upper sealing ring accommodating disc 13, so that the gap between the flexible rubber tube 2 and the inner wall surface of the valve body 1 is reduced by plugging the O-ring 17, and as the desiccant accommodating cylinder 42 successively penetrates through the top shell of the valve body 1, the vacuum pumping cavity 33 and the through hole 131 in the sealing ring accommodating disc 13 and extends to the inside of the sealing ring accommodating disc 13, the desiccant accommodated in the desiccant accommodating cylinder 42 is used to dehumidify the inside of the vacuum pumping cavity 33 and the sealing ring accommodating disc 13, so as to prevent the inner wall of the valve body 1 from being eroded by water vapor and affect the service life of the valve body 1;

furthermore, the top end of the drying agent containing cylinder 42 is connected with the cylinder cover 43 in a meshing manner, so that a worker can conveniently store the drying agent into the drying agent containing cylinder 42 or take the drying agent out of the drying agent containing cylinder 42, and the outer peripheral surface of the bottom end of the drying agent containing cylinder 42 is provided with a plurality of leakage holes 421, so that the inside of the drying agent containing cylinder 42 is communicated with the outside through the leakage holes 421;

furthermore, the desiccant containing cylinder does not penetrate through the sealing ring containing disc 13, so that high-pressure air in the pressurized air transmission cavity 34 is introduced into the sealing ring containing disc 13 by using a hose, the O-shaped ring 17 in the sealing ring containing disc 13 is pushed by the high-pressure air, the O-shaped ring 17 is tightly pressed on the soft rubber pipe 2, and the sealing effect is improved;

further, when the top end of the desiccant containing cylinder 42 penetrates through the fixed cylinder 41 fixed at the top end of the valve body 1, the desiccant containing cylinder 42 reduces a gap formed between the desiccant containing cylinder 42 and the inner wall of the fixed cylinder 41 through the first sealing ring 441 sleeved on the desiccant containing cylinder, so that the vacuum pumping cavity 33 is prevented from being communicated with the outside through the inner cavity of the fixed cylinder 41, the sealing performance of the vacuum pumping cavity 33 is improved, when the desiccant containing cylinder 42 penetrates through the sealing ring containing disc 13, the second sealing ring 442 sleeved on the outer peripheral surface of the bottom end of the desiccant containing cylinder 42 is utilized, the gap formed by the desiccant containing cylinder 42 and the through hole 131 at the top end of the sealing ring containing disc 13 is reduced, and the sealing performance of the inside of the sealing ring containing disc 13 is improved.

Specifically, referring to fig. 2 and 8 again, in another preferred embodiment of the present invention, a plurality of first neodymium magnets 311 surrounding a central axis of a cross section of each of the extrusion air bags 31 is embedded in a side surface of each of the extrusion air bags 31 close to another of the extrusion air bags 31, an extrusion strip 312 is fixed to a side surface of each of the extrusion air bags 31 close to another of the extrusion air bags 31, a second neodymium magnet 313 is fixed to a side surface of each of the extrusion strips 312 close to another of the extrusion strips 312, and a length of each of the extrusion strips 312 is greater than a diameter of the flexible rubber tube 2;

it should be noted that, in this embodiment, the two extrusion air bags 31 are made to adhere to each other by the first neodymium magnet 311 attracted to each other on the two extrusion air bags 31, so that when the two extrusion air bags 31 are adhered to each other, the two extrusion air bags 31 are leveled by the extrusion strips 312, thereby improving the extrusion capability of the soft rubber tube 2 due to the mutual adhesion of the two extrusion air bags 31, and preventing the soft rubber tube 2 from being extruded comprehensively due to the convex surface generated when the extrusion air bags 31 expand;

furthermore, the two extrusion strips 312 are attached to each other by the two neodymium magnets 313 which attract each other on the extrusion strips 312, and the extrusion strips 312 can extrude the soft rubber tube 2 comprehensively when the two extrusion strips 312 are attached to each other because the length of the extrusion strips 312 is greater than the diameter of the soft rubber tube 2.

The specific operation mode of the invention is as follows:

when the air bag valve is closed to cut off the materials in the soft rubber tube 2 in the valve body 1, the air in the vacuum air pumping cavity 33 formed between the two extrusion air bags 31 and the soft rubber tube 2 in the valve body 1 is input into the extrusion air bags 31 through the air pump by the air pumping connector 12 on the valve body 1, so that the extrusion air bags 31 are expanded, the soft rubber tube 2 is extruded to be closed, and simultaneously, the vacuum air pumping cavity 33 formed between the extrusion air bags 31 and the outer peripheral surface of the soft rubber tube 2 is gradually pumped to be vacuum, so that the two extrusion air bags 31 are driven to attract each other by utilizing the vacuum environment until the two extrusion air bags are completely attached, and the two extrusion air bags 31 are driven to further extrude the soft rubber tube 2;

the high-pressure gas exceeding the threshold value of the high-pressure air release valve 32 on the extrusion air bag 31 is released into the pressurization air transmission cavity 34 through the high-pressure air release valve 32 to pressurize the pressurization air transmission cavity 34, and the pressurization air transmission cavity 34 is positioned on one side of the extrusion air bag 31 far away from the other extrusion air bag 31, so that the extrusion air bag 31 is pushed by the high-pressure environment, and the extrusion air bag 31 is abutted against the soft rubber tube 2;

because the desiccant containing cylinder 42 successively penetrates through the shell at the top end of the valve body 1, the vacuum pumping cavity 33 and the through hole 131 in the sealing ring containing disc 13 and extends to the inside of the sealing ring containing disc 13, the desiccant contained in the desiccant containing cylinder 42 is used for removing moisture from the inside of the vacuum pumping cavity 33 and the inside of the sealing ring containing disc 13, and the inner wall of the valve body 1 is prevented from being corroded by water vapor.

The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. An air bag valve is characterized by comprising a valve body (1), a soft rubber pipe (2) transversely penetrating through a shell of the valve body (1), and an adjusting assembly (3) arranged between the interior of the valve body (1) and the soft rubber pipe (2);

the top end and the bottom end of the shell of the valve body (1) are both fixed with gas transmission connectors (11), and the two ends of the shell of the valve body (1) are both fixed with air extraction connectors (12);

adjusting part (3) including two with soft rubber tube (2) set up and with extrusion gasbag (31) that gas transmission connector (11) are linked together for the center pin symmetry, two extrusion gasbag (31) with be formed with between soft rubber tube (2) the outer peripheral face with vacuum pumping cavity (33) that bleed connector (12) and be connected, every all be formed with pressurization gas transmission cavity (34) between one side surface that soft rubber tube (2) was kept away from in extrusion gasbag (31) and valve body (1) internal surface, when the gasbag valve was closed, through the air pump with the air input in vacuum pumping cavity (33) extrude in gasbag (31) to make two extrusion gasbags (31) expand and extrude soft rubber tube (2).

2. A balloon valve according to claim 1, wherein a high pressure air release valve (32) is fixed to a side surface of each of the squeeze balloons (31) remote from the other squeeze balloon (31) to discharge air in the squeeze balloon (31) into a pressurized air release chamber (34) for pressurization.

3. An air bag valve according to claim 1, wherein sealing ring accommodating discs (13) are fixed at two ends of the interior of the valve body (1), an O-shaped ring (17) sleeved on the soft rubber pipe (2) is arranged in each sealing ring accommodating disc (13), and a through hole (131) is formed in the top end of each sealing ring accommodating disc (13).

4. A gas bag valve according to claim 3, wherein a dehumidifying component (4) is arranged outside the valve body (1), the dehumidifying component (4) comprises two fixed cylinders (41) fixed at the top end of the valve body (1), the two fixed cylinders (41) are symmetrically arranged by taking the central axis of the cross section of the valve body (1) as a central axis, a desiccant containing cylinder (42) is inserted into each fixed cylinder (41), the outer wall of the top end of each desiccant containing cylinder (42) is engaged and connected with the inner wall of the corresponding fixed cylinder (41) on the same side through threads, and the bottom end of each desiccant containing cylinder (42) extends to the inside of the sealing ring containing disc (13) through the through hole (131).

5. A gas bag valve according to claim 4, wherein the top end of each desiccant container (42) is connected with a cover (43) through threaded engagement, and the outer peripheral surface of the bottom end of each desiccant container (42) is provided with a plurality of leak holes (421) arranged around the central axis of the radial plane of the desiccant container.

6. A bladder valve according to claim 5 wherein each of said desiccant cartridges (42) is connected to a sealing mechanism (44), each of said sealing mechanisms (44) comprising a first sealing ring (441) and a second sealing ring (442) sequentially sleeved from top to bottom on the same side of said desiccant cartridge (42).

7. A balloon valve according to claim 1, characterized in that each squeeze balloon (31) has a side surface adjacent to the other squeeze balloon (31) embedded with a plurality of first neodymium magnets (311) arranged around its central axis of cross section.

8. A balloon valve according to claim 1, characterized in that a squeeze strip (312) is fixed to a side surface of each squeeze balloon (31) adjacent to the other squeeze balloon (31).

9. A balloon valve according to claim 8, characterized in that a second neodymium magnet (313) is fixed to one side surface of each extrusion strip (312) close to the other extrusion strip (312), and the length of each extrusion strip (312) is greater than the diameter of the soft rubber tube (2).

10. An air bag valve according to claim 1, wherein the valve body (1) comprises an upper housing (14) and a lower housing (15), and fixing lugs (16) for inserting bolts are fixed at both ends of the upper housing (14).