阅读说明：本技术 拉断阀 (Abruption valve ) 是由 杨国柱 吴劲松 方银 龚艳林 于 2020-05-11 设计创作，主要内容包括：本发明公开了一种拉断阀,包括进气接口、阀体、弹簧、两个阀瓣、两个阀瓣弹簧、排气接口、多个钢球、活塞体、脱扣螺栓和销；所述进气接口与阀体通过螺纹连接在一起,阀体内装有活塞体,活塞体受到向右的轴向拉力时会压缩弹簧向右运动,活塞体内装有一只靠阀瓣弹簧向右推的阀瓣等；本发明可以防止压力软管受到较大的轴向拉力时造成软管被拉断,介质大量泄漏引发事故或是经济损失,同时也可以避免拉坏与压力软管连接的设备,拉断阀的拉断力更为准确等。(The invention discloses a snapping valve which comprises an air inlet interface, a valve body, springs, two valve clacks, two valve clack springs, an exhaust interface, a plurality of steel balls, a piston body, a tripping bolt and a pin, wherein the valve body is arranged on the air inlet interface; the air inlet interface is connected with the valve body through threads, a piston body is arranged in the valve body, the piston body can compress the spring to move rightwards when being subjected to rightward axial tension, and a valve clack and the like pushed rightwards by the valve clack spring are arranged in the piston body; the invention can prevent the hose from being broken when the pressure hose is subjected to larger axial tension, accidents or economic losses caused by large-amount leakage of media can be avoided, and meanwhile, the equipment connected with the pressure hose can be prevented from being broken, the breaking force of the breaking valve is more accurate, and the like.)

1. The snapping valve is characterized by comprising an air inlet interface (1), a valve body (2), a spring (3), two valve clacks (4), two valve clack springs (5), an exhaust interface (6), a plurality of steel balls (7), a piston body (8), a tripping bolt (9) and a pin (10); the air inlet connector (1) is connected with the valve body (2) through threads, a piston body (8) is arranged in the valve body (2), the piston body (8) can compress the spring (3) to move rightwards when being subjected to rightward axial tension, and a valve clack (4) pushed rightwards by a valve clack spring (5) is arranged in the piston body (8); still be equipped with one in piston body (8) and lean on the exhaust interface (6) that a plurality of steel balls (7) of even cloth in the circumferencial direction blocked, be equipped with one in exhaust interface (6) and receive valve clack spring (5) valve clack (4) of promoting left, two valve clack (4) are pushed away each other by the thrust of two valve clack springs (5), be equipped with a trip bolt (9) and round pin (10) on inlet interface (1), trip bolt (9) and round pin (10) form a cam drive mechanism, can promote round pin (10) to move right when rotatory trip bolt (9), round pin (10) move right can promote piston body (8) to move right, when the break valve does not bear pulling force and the thrust of round pin (10), piston body (8) are pushed by spring (3) and are pushed up inlet interface (1) at the leftmost end.

2. A snapping valve according to claim 1, wherein the number of said balls (7) is 12.

Technical Field

The invention relates to the technical field of a breaking valve, in particular to a breaking valve.

Background

The breaking valve is arranged on a pressure hose for conveying media, and when the axial tension applied to the pressure hose is greater than a set value, the breaking valve can be automatically broken into two parts and simultaneously seals the media in the pressure hoses at two ends. The automatic disconnection can prevent the pressure pipeline from being pulled apart or the equipment connected to the pressure pipeline from being pulled to be damaged due to overlarge axial tension, and meanwhile, the pressure pipeline at two sealed ends can prevent accidents caused by a large amount of leakage of media.

The prior art has the following defects:

(1) the existing breaking valve is usually designed by adopting the principle that a plurality of small springs press a steel ball to clamp an exhaust interface, and the breaking force can be adjusted by replacing the small springs with different rigidity. But in practical use, the friction force of the steel ball is found to seriously influence the magnitude of the breaking force. The friction force of the steel ball of each breaking valve is different, so that the breaking force of any two breaking valves can be greatly different.

(2) The existing breaking valve in the industry can not be manually broken, and the breaking valve is required to be completely disassembled and reassembled after being reconnected after being broken, so that much inconvenience is brought to users.

(3) The breaking force of the existing breaking valve in the industry is greatly influenced by the pressure of a medium, and only can stably work at a designed pressure value, otherwise, the breaking force has great deviation and the like.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a snapping valve which can prevent a pressure hose from being snapped when the pressure hose is subjected to a larger axial pulling force, and accidents or economic losses caused by a large amount of leaked media, and can also avoid the breakage of equipment connected with the pressure hose, the snapping force of the snapping valve is more accurate, and the like.

The purpose of the invention is realized by the following technical scheme:

a breaking valve comprises an air inlet interface, a valve body, a spring, two valve clacks, two valve clack springs, an exhaust interface, a plurality of steel balls, a piston body, a tripping bolt and a pin; the air inlet interface is connected with the valve body through threads, a piston body is arranged in the valve body, the piston body can compress the spring to move rightwards when being subjected to rightward axial tension, and a valve clack which is pushed rightwards by the valve clack spring is arranged in the piston body; the piston body is also internally provided with an exhaust interface which is clamped by a plurality of steel balls which are uniformly distributed in the circumferential direction, a valve clack which is pushed leftwards by a valve clack spring is arranged in the exhaust interface, the two valve clacks are mutually pushed open by the thrust of the two valve clack springs, a tripping bolt and a pin are arranged on the air inlet interface, the tripping bolt and the pin form a cam transmission mechanism, when the tripping bolt is rotated, the pin can be pushed rightwards to move a piston body, and when the breaking valve does not bear the pulling force and the thrust of the pin, the piston body is pushed at the leftmost end by the spring to push the air inlet interface.

Further, the number of the steel balls is 12.

The invention has the beneficial effects that: the invention can prevent the hose from being broken when the pressure hose is subjected to larger axial tension, accidents or economic losses caused by large amount of leakage of media can be prevented, the damage to equipment connected with the pressure hose can be avoided, the breaking force of the breaking valve is more accurate, the supply can be carried out according to the actual requirement of a user on the magnitude of the breaking force, the user can easily and manually break the breaking valve, the broken breaking valves can also be easily and reconnected together, and the breaking force of the breaking valve is not influenced by the pressure change of the media.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following. All of the features disclosed in this specification, or all of the steps of a method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features and/or steps are used.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention.

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.

Before describing the embodiments, some necessary terms need to be explained. For example:

if the terms "first," "second," etc. are used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a "first" element discussed below could also be termed a "second" element without departing from the teachings of the present invention. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present.

The various terms appearing in this application are used for the purpose of describing particular embodiments only and are not intended as limitations of the invention, with the singular being intended to include the plural unless the context clearly dictates otherwise.

When the terms "comprises" and/or "comprising" are used in this specification, these terms are intended to specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence and/or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1, a snapping valve includes an air inlet port 1, a valve body 2, a spring 3, two valve flaps 4, two valve flap springs 5, an exhaust port 6, a plurality of steel balls 7, a piston body 8, a trip bolt 9, and a pin 10;

the air inlet connector 1 is connected with the valve body 2 through threads, a piston body 8 is arranged in the valve body 2, the piston body 8 can compress the spring 3 to move rightwards when being subjected to rightward axial tension, and a valve clack 4 pushed rightwards by a valve clack spring 5 is arranged in the piston body 8; an exhaust interface 6 clamped by a plurality of steel balls 7 uniformly distributed in the circumferential direction is further arranged in the piston body 8, a valve clack 4 pushed leftwards by a valve clack spring 5 is arranged in the exhaust interface 6, the two valve clacks 4 are mutually jacked open by the pushing force of the two valve clack springs 5, a tripping bolt 9 and a pin 10 are arranged on the air inlet interface 1, the tripping bolt 9 and the pin 10 form a cam transmission mechanism, when the tripping bolt 9 is rotated, the pin 10 can be pushed to move rightwards, and when the breaking valve does not bear the pulling force and the pushing force of the pin 10, the piston body 8 is pushed at the leftmost end by the spring 3 to jack the air inlet interface 1.

Further, the number of the steel balls 7 is 12.

The working principle of the invention is as follows:

when the two ends of the breaking valve are subjected to axial tension, the piston body 8 can compress the spring 3 to move rightwards, the steel ball 7 can be pushed away in the radial direction when the movement distance reaches a designed value, so that the exhaust interface 6 cannot be clamped, the exhaust interface 6 can be pulled out of the breaking valve, the breaking valve is broken into two parts, meanwhile, the two valve clacks 4 which are mutually pushed away are separated from each other, the outlet is closed and sealed by the thrust of the valve clack spring 5, the breaking valve is completely determined by the rigidity of the spring 3 and the stroke of the piston body 8 moving rightwards, and springs with different rigidities can be selected according to different working conditions to meet different requirements of different users on the size of the breaking force.

The rotating tripping bolt 9 can push the pin 10 and the piston body 8 to move rightwards, when the rotating tripping bolt 9 rotates to about 180 degrees, the piston body 8 moves to the rightmost end, although the rotating tripping bolt is not under the action of pulling force, the steel ball 7 can still be pushed away in the radial direction, so that the exhaust interface 6 cannot be clamped, the exhaust interface 6 can be separated from the breaking valve, the breaking valve is broken into two parts, the function is used for enabling a user to easily break the breaking valve, and the broken breaking valve can be easily reconnected together through the reverse-phase operation.

The overall dimension of the piston body 8 is calculated and designed, so that the leftward thrust and the rightward thrust of the piston body are always the same under the influence of the medium pressure in the breaking valve, the influence of the medium pressure on the magnitude of the breaking force is completely avoided, and the breaking valve can adapt to the random change of the medium pressure.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.