CN212986053U

CN212986053U - Abruption valve

Info

Publication number: CN212986053U
Application number: CN202022026010.6U
Authority: CN
Inventors: 周春
Original assignee: Dalian Xingyuan Shenleng Valve Co ltd
Current assignee: Dalian Xingyuan Shenleng Valve Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-04-16
Anticipated expiration: 2030-09-16

Abstract

The utility model provides a snapping valve, the setting of positive case is in the positive valve body, negative case includes first jump ring, a first support, a first spring holder, a first spring, first valve clack and first valve clack gasket, first support is installed at negative valve body lower extreme through first jump ring, a spring holder is installed on first support, the lower extreme axle of first valve clack is installed in first spring holder, a spring housing sets up outside a spring holder, first valve clack gasket is installed on first valve clack, the tip of the upper end axle of first valve clack is provided with mounting groove, install the guide post in the mounting groove, the lower extreme axle of second valve clack is provided with guide groove, the guide post can insert in the guide groove. The invention can ensure that the butt joint of the female valve core and the male valve core can not deviate every time the female valve and the male valve are communicated, thereby ensuring that the shaft cores of the female valve core and the male valve core are on the same straight line and preventing the valve body from leaking.

Description

Abruption valve

Technical Field

The utility model relates to an abruption valve field, in particular to abruption valve.

Background

The breaking valve (emergency release device) can prevent leakage accidents caused by accidental breakage of pipelines, and is applicable to the fields of ship-to-shore unloading, tank loading and unloading of roads and railways and other fixed and movable fluid storage devices, such as a crane pipe, a fluid conveying arm and a connection between a transport carrier.

The female valve core and the male valve core of the stretch-break valve in the prior art are butted against each other, so that the female valve body and the male valve body are communicated with each other, but the butt joint part of the female valve core and the male valve core in the prior art is in direct plane butt joint, the butt joint part of the female valve core and the male valve core is easy to deviate, after the valve is used for a long time, the shaft cores of the female valve core and the male valve core are not on the same straight line, and therefore the leakage condition can occur when the valve body is sealed by the stretch-break female valve core and the male valve core.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can lead butt joint of positive negative case and positive case to guarantee that the axle core of negative case and positive case is on same straight line, thereby prevent the snapping valve that the condition that the valve body leaked appears.

In order to achieve the above object, the present invention provides the following technical solutions:

a snapping valve comprises a female valve and a male valve, wherein the female valve comprises a female valve body and a female valve core, the female valve core is arranged in the female valve body, the male valve comprises a male valve body and a male valve core, the male valve core is arranged in the male valve body, the female valve core comprises a first snap spring, a first support, a first spring seat, a first spring, a first valve clack and a first valve clack gasket, the first support is arranged at the lower end of the female valve body through the first snap spring, the first spring seat is arranged on the first support, a lower end shaft of the first valve clack is arranged in the first spring seat in a vertically sliding manner, the first spring sleeve is arranged outside the first spring seat, the upper end of the first spring is abutted against the bottom of the first valve clack, the lower end of the first spring is abutted against the first spring seat, the first valve clack gasket is arranged on the first valve clack, and an installation groove is arranged at the end part of the upper end shaft of the, a guide post is arranged in the mounting groove, the male valve core comprises a second snap spring, a second support, a second spring seat, a second spring, a second valve clack and a second valve clack gasket, the second support is arranged at the upper end part of the male valve body through a second snap spring, the second spring seat is arranged at the bottom of the second support, the upper end shaft of the second valve clack can be installed in the second spring seat in a vertical sliding manner, the second spring sleeve is arranged outside the second spring seat, the lower end of the second spring is abutted against the second valve clack, the upper end of the second spring is abutted against the second spring seat, the second valve flap gasket is arranged on the second valve flap, the lower end shaft of the second valve flap is provided with a guide groove corresponding to the guide post, the guide post can be inserted into the guide groove, and the depth of the guide groove is larger than the distance from the upper end face of the guide post to the end face of the upper end shaft of the first valve clack.

Further, a locking device is also included.

Further, the locking device comprises a female valve locking part, a male valve locking part, a snapping bolt, a pin and a nut, wherein the female valve locking part is arranged on the outer surface of the female valve body, the male valve locking part is arranged on the outer surface of the male valve body, the pin is positioned on one side of the female valve locking part, the head of the snapping bolt is installed in the pin, and the tail of the snapping bolt can penetrate through the male valve locking part and then is fixed through the nut.

Further, the nut also secures the tail of the stretch-break bolt to the male valve locking portion via an elastic washer and a flat pad.

Furthermore, a first thread is arranged at the valve port of the female valve body, and a second thread is arranged at the valve port of the male valve body.

Further, a valve body gasket and an oil seal are further arranged on the port where the male valve body is in butt joint with the female valve body.

The utility model has the advantages that:

the utility model is characterized in that the end part of the upper end shaft of the first valve clack is provided with a mounting groove, a guide post is mounted in the mounting groove, then the lower end shaft of the second valve clack is provided with a guide groove corresponding to the guide post, the guide post can be inserted into the guide groove, the depth of the guide groove is greater than the distance from the upper end surface of the guide post to the end surface of the upper end shaft of the first valve clack, thereby when the female valve is relatively connected with the male valve, after the guide groove of the lower end shaft of the second valve clack of the male valve is mutually butted with the guide post of the upper end shaft of the first valve clack of the female valve, the male valve continues to move downwards, the lower end shaft of the second valve clack of the male valve moves upwards under the action of the upper end shaft of the first valve clack of the female valve, and the upper end shaft of the first valve clack of the female valve moves downwards under the action of the lower end shaft of the second valve clack of the male valve, and under the action, the condition of excursion can not take place for the butt joint department of negative case and positive case to can guarantee that the axle center of negative case and positive case is on same straight line, thereby can prevent that the condition of valve body leakage from appearing.

Drawings

Fig. 1 is a cross-sectional view of the female valve and the male valve of the present invention after being butted;

fig. 2 is a cross-sectional view of the present invention with the female valve separated from the male valve;

figure 3 is a cross-sectional view of the male valve of the present invention;

fig. 4 is a cross-sectional view of the female valve of the present invention.

Detailed Description

The invention is further explained below with reference to the drawings:

as shown in fig. 1 and 4, the stretch-break valve includes a female valve 1 and a male valve 2, the female valve 1 includes a female valve body 11 and a female valve core 12, the female valve core 12 is disposed in the female valve body 11, the male valve 2 includes a male valve body 21 and a male valve core 22, and the male valve core 22 is disposed in the male valve body 21.

The female valve spool 12 includes a first snap spring 121, a first support 122, a first spring seat 123, a first spring 124, a first valve clack 125 and a first valve clack gasket 126, the first support 122 is installed at the lower end of the female valve body 11 through the first snap spring 124, the first spring seat 123 is installed on the first support 122, the lower end shaft of the first valve clack 125 can be installed in the first spring seat 123 in a vertical sliding manner, the first spring 124 is sleeved outside the first spring seat 123, the upper end of the first spring 124 abuts against the bottom of the first valve clack 125, the lower end of the first spring 124 abuts against the first spring seat 123, the first valve clack gasket 126 is installed on the first valve clack 125, the end of the upper end shaft of the first valve clack 125 is provided with an installation groove, and a guide post 128 is installed in the installation groove.

The male valve spool 22 includes a second snap spring 221, a second support 222, a second spring seat 223, a second spring 224, a second valve flap 225 and a second valve flap gasket 226, the second support 222 is mounted at the upper end of the male valve body 21 through the second snap spring 221, the second spring seat 223 is mounted at the bottom of the second support 222, the upper end shaft of the second valve flap 225 is mounted in the second spring seat 223 in a vertically slidable manner, the second spring 224 is sleeved outside the second spring seat 223, the lower end of the second spring 224 abuts against the second valve flap 225, the upper end of the second spring 224 abuts against the second spring seat 223, the second valve flap gasket 226 is mounted on the second valve flap 225, and the lower end shaft of the second valve flap 225 is provided with a guide groove 227 corresponding to the guide post 128.

The utility model discloses a tip at the upper end axle of first valve clack 225 is provided with mounting groove 227, install guide post 128 in the mounting groove 227, then be provided with guide groove 227 at the lower extreme axle of second valve clack 225 corresponding guide post 128, guide post 128 can insert in guide groove 227, thereby when female valve 1 is connected with male valve 2 relatively, after guide groove 227 of the lower extreme axle of second valve clack 225 of male valve 2 and the guide post 128 of the upper end axle of first valve clack 225 of female valve 1 butt joint each other, male valve 2 continues the downstream, make the lower extreme axle of second valve clack 225 of male valve 2 move up under the effect of the upper end axle of first valve clack 225 of female valve 1, make the upper end axle of first 225 of female valve 1 move down under the effect of the lower end axle of second valve clack 225 of male valve 2 simultaneously, under the effect of guide groove 227 and guide post 128 simultaneously, can make female valve 1 and male valve 2 at every turn when the valve clack is in the UNICOM, the abutting joint of the female valve core 12 and the male valve core 22 cannot be deviated, so that the axial cores of the female valve core 12 and the male valve core 22 can be ensured to be on the same straight line, and the condition of valve body leakage can be prevented.

The guide 128 can be inserted into the guide groove 227, and the depth of the guide groove 227 is greater than the distance from the upper end surface of the guide 128 to the end surface of the upper end shaft of the first flap 125. In the embodiment, after the female valve 1 and the male valve 2 are communicated and locked, the guide column 128 is inserted into the guide groove 227, a clearance part is left between the upper end of the guide column 128 and the groove bottom of the guide groove 227, and the clearance part can reduce the contact area of the abutting surface of the upper end shaft of the first valve clack 125 and the lower end shaft of the second valve clack 225, so that the matching precision of the abutting surface of the upper end shaft of the first valve clack 125 and the lower end shaft of the second valve clack 225 is more convenient to machine.

Further, a locking device 3 is also included. By providing the locking device 3 for locking the female valve 1 and the male valve 2 after the mating, the male valve 2 can be disengaged from the female valve 1 only when the male valve 2 is subjected to a pulling force greater than the locking force of the locking device 3.

Further, the locking device 3 includes a female valve locking portion 31, a male valve locking portion 32, a snapping bolt 33, a pin 34 and a nut 35, the female valve locking portion 31 is disposed on the outer surface of the female valve body 11, the male valve locking portion 32 is disposed on the outer surface of the male valve body 21, the pin 34 is located on one side of the female valve locking portion 31, the head of the snapping bolt 33 is mounted in the pin 34, and the tail of the snapping bolt 33 can be fixed by the nut 35 after passing through the male valve locking portion 32. By providing the snap bolt 33 in which the head of the snap bolt 33 is fixed by the pin 34, the male valve locking portion 32 is disengaged from the female valve 1 together with the male valve 2 only when the male valve locking portion 32 is subjected to a pulling force greater than the frictional force of the pin 34 against the snap bolt head 33.

Further, the nut 35 also fixes the tail of the snap bolt 33 to the male valve locking portion 32 through an elastic washer 36 and a flat pad 37. The provision of the elastic washer 36 and the flat pad 37 prevents loosening of the nut 35 when it is connected to the stretch-break bolt 33.

Further, a first screw 111 is provided at the valve port of the female valve body 11, and a second screw 213 is provided at the valve port of the male valve body 21. By providing the first and

second threads

111 and 213, the installation of the female and

male valve bodies

11 and 21 is facilitated.

Further, a valve body gasket 211 and an oil seal 212 are arranged on the port where the male valve body 21 is butted with the female valve body 11. By arranging the valve body gasket 211 and the oil seal 212, the sealing performance is better when the male valve body 21 is butted with the female valve body 11.

The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A breakaway valve characterized by: the valve comprises a female valve and a male valve, wherein the female valve comprises a female valve body and a female valve core, the female valve core is arranged in the female valve body, the male valve comprises a male valve body and a male valve core, the male valve core is arranged in the male valve body, the female valve core comprises a first snap spring, a first support, a first spring seat, a first spring, a first valve clack and a first valve clack gasket, the first support is arranged at the lower end of the female valve body through the first snap spring, the first spring seat is arranged on the first support, a lower end shaft of the first valve clack can be arranged in the first spring seat in a vertical sliding manner, the first spring sleeve is arranged outside the first spring seat, the upper end of the first spring is abutted against the bottom of the first valve clack, the lower end of the first spring is abutted against the first spring seat, the first gasket is arranged on the first valve clack, and an installation groove is arranged at the end part of an upper end, a guide post is arranged in the mounting groove, the male valve core comprises a second snap spring, a second support, a second spring seat, a second spring, a second valve clack and a second valve clack gasket, the second support is arranged at the upper end part of the male valve body through a second snap spring, the second spring seat is arranged at the bottom of the second support, the upper end shaft of the second valve clack can be installed in the second spring seat in a vertical sliding manner, the second spring sleeve is arranged outside the second spring seat, the lower end of the second spring is abutted against the second valve clack, the upper end of the second spring is abutted against the second spring seat, the second valve flap gasket is arranged on the second valve flap, the lower end shaft of the second valve flap is provided with a guide groove corresponding to the guide post, the guide post can be inserted into the guide groove, and the depth of the guide groove is larger than the distance from the upper end face of the guide post to the end face of the upper end shaft of the first valve clack.

2. A breakaway valve in accordance with claim 1 wherein: a locking device is also included.

3. A breakaway valve in accordance with claim 2 wherein: the locking device comprises a female valve locking part, a male valve locking part, a snapping bolt, a pin and a nut, wherein the female valve locking part is arranged on the outer surface of the female valve body, the male valve locking part is arranged on the outer surface of the male valve body, the pin is positioned on one side of the female valve locking part, the head of the snapping bolt is installed in the pin, and the tail of the snapping bolt can penetrate through the male valve locking part and then is fixed through the nut.

4. A breakaway valve in accordance with claim 3 wherein: the nut also fixes the tail of the snap bolt to the male valve locking portion through an elastic washer and a flat pad.

5. A breakaway valve in accordance with claim 1 wherein: the valve port of the female valve body is provided with first threads, and the valve port of the male valve body is provided with second threads.

6. A breakaway valve in accordance with claim 1 wherein: and a valve body gasket and an oil seal are also arranged on the port where the male valve body is butted with the female valve body.