CN215928523U

CN215928523U - C-shaped breaking valve

Info

Publication number: CN215928523U
Application number: CN202122381662.6U
Authority: CN
Inventors: 宋磊; 金孝红
Original assignee: LIANYUNGANG TONGCHUN PETROCHEMICAL EQUIPMENT CO LTD
Current assignee: LIANYUNGANG TONGCHUN PETROCHEMICAL EQUIPMENT CO LTD
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-01
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a C-shaped breaking valve, which belongs to the technical field of pipeline valves and is mainly applied to fluid transportation. The utility model solves the problems of high production cost, poor sealing effect and incapability of preventing fire of products in the existing market.

Description

C-shaped breaking valve

Technical Field

The utility model belongs to the technical field of pipeline valves, and particularly relates to a C-shaped breaking valve.

Background

Patent application No.: 202110570600.1 discloses a break valve for pipeline fluid transportation, which is characterized in that the break valve for pipeline fluid transportation is provided with a convex through groove on a valve core and an internal installation structure thereof, so that when two groups of valve bodies are reconnected, the explosion beads in the inner cavity of the convex through groove are crushed through the transmission of a transmission shaft and a piston, a large amount of carbon dioxide gas is generated in the explosion beads and expanded, and then the piston, a movable claw rod on the piston and the valve core are forced to move towards two sides to connect the break valve again.

The novel oil delivery valve is characterized in that gas and blasting beads are arranged inside the breaking valve, a pipeline is likely to burst in an oil delivery body, so that oil delivery pipelines are broken to cause leakage of a large amount of oil bodies, the existing breaking valve flange is integrated with a valve body, most of the existing breaking valve flange are straight cylinders, in order to guarantee the flow, the diameter of the designed whole cylinder is large, and therefore more materials are needed to be produced, the production cost is high, in the oil delivery process, the internal guide plate is fixed by a check ring for holes, the dislocation situation often occurs when the guide plate vibrates in work, the strength is not enough, the working difficulty is caused, the sealing effect of the existing breaking valve after breaking is poor, the valve core is made of a rubber inflammable material, once a fire disaster happens, the fire prevention requirement cannot be met, a large amount of loss is caused, and the C-type breaking valve is provided for the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a C-type pop-off valve to solve the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a C type snapping valve, includes casing, valve body subassembly I, valve body subassembly II and clamping mechanism, its characterized in that: the shell comprises an upper shell and a lower shell which are formed by splicing two symmetrical shells, a connecting flange I is arranged at the upper end of the upper shell, the connecting flange I is connected with a pipeline, a valve body assembly I is arranged in the upper shell, the valve body assembly I comprises a guide plate I, a female valve clack and a spring I, the female valve clack is arranged below the guide plate I, the female valve clack is movably connected with the guide plate I through the spring I, the guide plate I is embedded and clamped in the upper shell and tightly pressed against the female valve clack through the spring I, a valve body assembly II is arranged in the lower shell and comprises a male valve clack, a guide plate II and a spring II, the guide plate II is arranged below the male valve clack, the male valve clack is movably connected with the guide plate II through the spring II, and the guide plate II is embedded and clamped in the lower shell, compress tightly male valve clack through spring II, lower casing lower extreme be provided with flange II, last casing and be provided with clamping mechanism down between the casing, clamping mechanism include anchor clamps I, anchor clamps II and fastener, II right-hand members of anchor clamps I and anchor clamps pass through I fixed connection of bolt, II left ends of anchor clamps I and anchor clamps run through and be provided with bolt II, make better sealed between the two, II left sides of bolt be provided with the fastener, the fastener include toper connecting axle, tighrening ring and bolt III, toper connecting axle top be provided with the tighrening ring, toper connecting axle and tighrening ring between through III fixed connection of bolt.

Preferably, both ends all are provided with a set of mounting groove and a set of fixed slot about the casing, make things convenient for the installation and the dismantlement of water conservancy diversion piece I and water conservancy diversion piece II.

Preferably, last casing and flange I between be provided with sealing washer I, lower casing and flange II between be provided with sealing washer II, guaranteed to be connected between can and the standard flange, also guaranteed the leakproofness between it.

Preferably, the upper shell is fixedly connected with the connecting flange I through a group of bolts V, and the lower shell is fixedly connected with the connecting flange II through a group of bolts IV.

Preferably, female valve clack lower extreme design concave structure, male valve clack lower extreme be protruding structure, female valve clack include metal part I and seal part I, I below of metal part be provided with seal part I, metal part I and seal part I between through I fixed connection of nut, male valve clack include metal part II and seal part II, II below of metal part be provided with seal part II, metal part II and seal part II between be connected through nut II.

Preferably, the metal part I and the metal part II can be made of metal or alloy, the sealing part I and the sealing part II are made of tetrafluoroethylene, and the characteristics that the tetrafluoroethylene is non-flammable and the metal or alloy is non-flammable are utilized.

Preferably, the diameter of the surface of the sealing part I is smaller than that of the metal part I, the diameter of the surface of the sealing part II is smaller than that of the metal part II, when a fire disaster happens, the snapping valve is disconnected, the metal part I can be firmly propped against the upper shell, the metal part II can be firmly propped against the lower shell in the same way, and a metal sealing mode is adopted, so that the fire source propagation path can be effectively cut off.

Preferably, a sealing gasket is arranged between the shell and the clamping mechanism.

Preferably, an operating handle is arranged at the upper end of the bolt III.

Compared with the prior art, the utility model has the beneficial effects that:

(1) through the design assembly groove, made things convenient for the guide plate to dismantle, through the design fixed slot, it is spacing to have replaced original needs retaining ring messenger guide plate, has solved the not enough problem of intensity under the operational aspect of high strength, prevents that the guide plate from the problem that the valve body vibration popped out.

(2) Be provided with between casing and flange I and be provided with sealing washer II between casing and flange II down through the design, guaranteed with the leakproofness between the standard flange joint.

(3) Through design female valve clack and male valve clack structure, both can laminate completely, have increased the holistic stability of valve body.

(4) Through design metal part I and metal part II, when the conflagration breaing out, the emergency disconnection of abruption valve utilizes metal part I and II incombustibility of metal part, can effectively cut off the burning route, reduces the loss, has played better sealed effect.

(5) Through designing I surface diameter of sealing component and being less than metal part I, II surface diameters of sealing component are less than metal part II, when the conflagration breaing out, break valve promptly breaks off, can make metal seal between metal part I and the casing I under the operating conditions, makes metal seal between metal part II and the casing II to can make the intraductal oil body not contact with the ignition source.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a block diagram of the clamp assembly of the present invention;

FIG. 5 is a cross-sectional view of the male and female valve flaps of the present invention;

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. 1-5, a C-type pop-off valve includes a housing 1, a valve body assembly i 5, a valve body assembly ii 9, and a clamping mechanism 14, wherein: the shell 1 comprises an upper shell 2 and a lower shell 3, the upper end of the upper shell 2 is provided with a connecting flange I4, the interior of the upper shell 2 is provided with a valve body component I5, the valve body component I5 comprises a guide plate I6, a female valve clack 7 and a spring I8, the female valve clack 7 is arranged below the guide plate I6, the female valve clack 7 is movably connected with the guide plate I6 through the spring I8, the interior of the lower shell 3 is provided with a valve body component II 9, the valve body component II 9 comprises a male valve clack 10, a guide plate II 11 and a spring II 12, the guide plate II 11 is arranged below the male valve clack 10, the male valve clack 10 is movably connected with the guide plate II 11 through the spring II 12, the lower end of the lower shell 3 is provided with a connecting flange II 13, a clamping mechanism 14 is arranged between the upper shell 2 and the lower shell 3, clamping mechanism 14 include anchor clamps I15, II 16 and fastener 19 of anchor clamps, II 16 right-hand members of anchor clamps I15 and II 16 pass through bolt I17 fixed connection, I15 of anchor clamps and II 16 left ends of anchor clamps run through and be provided with bolt II 18, II 18 left sides of bolt be provided with fastener 19, fastener 19 include toper connecting axle 20, tighrening ring 21 and bolt III 22, toper connecting axle 20 top be provided with tighrening ring 21, toper connecting axle 20 and tighrening ring 21 between through bolt III 22 fixed connection.

The working principle and the using process of the utility model are as follows: the utility model provides a C type snapping valve, there is the oil transportation during operation in the pipeline, during emergency's emergence, the snapping valve disconnection is used for protecting the interior liquid of pipeline not to leak, specifically be when emergency takes place, 14 disconnection of clamping mechanism, go up casing 2 and casing 3 disconnection down, go up female valve clack 7 in the casing 2 and the male valve clack 10 of casing 3 is tripped simultaneously down, I6 below springs I8 of guide plate flick female valve clack 7 and with snapping valve go up casing 2 and closely laminate, II 11 top springs II 12 of guide plate flick male valve clack 10 and closely laminate with snapping valve lower casing 3.

In this embodiment, the upper and lower ends of the housing 1 are provided with a set of assembling grooves 1-1 and a set of fixing grooves 1-2.

In the embodiment, a sealing ring I1-3 is arranged between the upper shell 2 and the connecting flange I4, and a sealing ring II 1-4 is arranged between the lower shell 3 and the connecting flange II 13.

In the embodiment, the upper shell 2 is fixedly connected with the connecting flange I4 through a group of bolts V4-1, and the lower shell 3 is fixedly connected with the connecting flange II 13 through a group of bolts IV 13-1.

In the embodiment, the lower end of a female valve flap 7 is designed to be of a concave structure, the lower end of a male valve flap 10 is of a convex structure, the female valve flap 7 comprises a metal part I7-1 and a sealing part I7-2, the sealing part I7-2 is arranged below the metal part I7-1, the metal part I7-1 and the sealing part I7-2 are fixedly connected through a nut I7-3, the male valve flap 10 comprises a metal part II 10-1 and a sealing part II 10-2, the sealing part II 10-2 is arranged below the metal part II 10-1, and the metal part II 10-1 and the sealing part II 10-2 are connected through the nut II 10-3.

In this embodiment, the material of the metal member I7-1 and the metal member II 10-1 may be a metal or an alloy, and the material of the sealing member I7-2 and the sealing member II 10-2 is tetrafluoroethylene.

In the embodiment, the surface diameter of the sealing part I7-2 is smaller than that of the metal part I7-1, and the surface diameter of the sealing part II 10-2 is smaller than that of the metal part II 10-1.

In the present embodiment, a gasket 23 is provided between the housing 1 and the clamping mechanism 14.

In this embodiment, an operating handle 22-1 is provided at the upper end of the bolt III 22.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a C type snapping valve, includes casing (1), valve body subassembly I (5), valve body subassembly II (9) and clamping mechanism (14), its characterized in that: the improved valve is characterized in that the shell (1) comprises an upper shell (2) and a lower shell (3), a connecting flange I (4) is arranged at the upper end of the upper shell (2), a valve body component I (5) is arranged inside the upper shell (2), the valve body component I (5) comprises a guide plate I (6), a female valve clack (7) and a spring I (8), the female valve clack (7) is arranged below the guide plate I (6), the female valve clack (7) is movably connected with the guide plate I (6) through the spring I (8), a valve body component II (9) is arranged inside the lower shell (3), the valve body component II (9) comprises a male valve clack (10), a guide plate II (11) and a spring II (12), the guide plate II (11) is arranged below the male valve clack (10), and the male valve clack (10) is movably connected with the guide plate II (11) through the spring II (12), a connecting flange II (13) is arranged at the lower end of the lower shell (3), a clamping mechanism (14) is arranged between the upper shell (2) and the lower shell (3), the clamping mechanism (14) comprises a clamp I (15), a clamp II (16) and a fastener (19), the right ends of the clamp I (15) and the clamp II (16) are fixedly connected through a bolt I (17), the left ends of the clamp I (15) and the clamp II (16) are provided with a bolt II (18) in a penetrating way, a fastening piece (19) is arranged on the left side of the bolt II (18), the fastening piece (19) comprises a conical connecting shaft (20), a fastening ring (21) and a bolt III (22), a fastening ring (21) is arranged above the conical connecting shaft (20), and the conical connecting shaft (20) is fixedly connected with the fastening ring (21) through a bolt III (22).

2. A type C stretch-break valve according to claim 1, wherein: the upper end and the lower end of the shell (1) are respectively provided with a group of assembling grooves (1-1) and a group of fixing grooves (1-2).

3. A type C stretch-break valve according to claim 1, wherein: a sealing ring I (1-3) is arranged between the upper shell (2) and the connecting flange I (4), and a sealing ring II (1-4) is arranged between the lower shell (3) and the connecting flange II (13).

4. A type C stretch-break valve according to claim 1, wherein: the upper shell (2) is fixedly connected with the connecting flange I (4) through a group of bolts V (4-1), and the lower shell (3) is fixedly connected with the connecting flange II (13) through a group of bolts IV (13-1).

5. A type C stretch-break valve according to claim 1, wherein: the lower end of the female valve flap (7) is designed with a concave structure, the lower end of the male valve flap (10) is designed with a convex structure, the female valve flap (7) comprises a metal part I (7-1) and a sealing part I (7-2), a sealing part I (7-2) is arranged below the metal part I (7-1), the metal part I (7-1) and the sealing part I (7-2) are fixedly connected through a nut I (7-3), the male valve flap (10) comprises a metal component II (10-1) and a sealing component II (10-2), a sealing component II (10-2) is arranged below the metal component II (10-1), the metal component II (10-1) is connected with the sealing component II (10-2) through a nut II (10-3).

6. A type C breakaway valve in accordance with claim 5 wherein: the metal part I (7-1) and the metal part II (10-1) can be made of metal or alloy, and the sealing part I (7-2) and the sealing part II (10-2) are made of tetrafluoroethylene.

7. A type C breakaway valve in accordance with claim 5 wherein: the diameter of the surface of the sealing part I (7-2) is smaller than that of the metal part I (7-1), and the diameter of the surface of the sealing part II (10-2) is smaller than that of the metal part II (10-1).

8. A type C stretch-break valve according to claim 1, wherein: a sealing gasket (23) is arranged between the shell (1) and the clamping mechanism (14).

9. A type C stretch-break valve according to claim 1, wherein: and an operating handle (22-1) is arranged at the upper end of the bolt III (22).