CN113983231A

CN113983231A - Ball valve self-locking device for ship

Info

Publication number: CN113983231A
Application number: CN202111235819.2A
Authority: CN
Inventors: 邵海敏; 金宁; 丁波; 董昭淳
Original assignee: Shanghai Hudong Marine Valve Manufacture Co ltd
Current assignee: Shanghai Hudong Marine Valve Manufacture Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-01-28

Abstract

The invention discloses a ball valve self-locking device for ships, which comprises: the handle is connected with the ball valve and comprises a horizontal section, an inclined section and a connecting section which are sequentially connected, and the connecting section is arranged on the ball valve and is connected with a valve rod of the ball valve; the self-locking device comprises a handle, a locking plate, a spring, a compression spring, a spring and a spring, wherein the locking plate is arranged at the inclined section of the handle, the locking plate is matched with the ball valve, the spring is arranged at the inclined section of the handle and is positioned at the upper end of the handle, the spring is a compression spring, the upper end of the spring is connected with the handle, and the lower end of the spring is contacted with the locking plate.

Description

Ball valve self-locking device for ship

Technical Field

The invention relates to the technical field of valves, in particular to a ball valve self-locking device for a ship.

Background

The ball valve is developed from a cock, and the opening and closing element of the ball valve is used as a ball body, and the opening and closing purposes are realized by rotating the ball body by 90 degrees around the axis of a valve rod. Ball valves are used on pipes primarily to shut off, distribute and change the direction of flow of a medium. The ball valve has the advantages of simple structure, good sealing performance, small volume in a certain nominal passing range, light weight, low material consumption, small installation size, small driving moment, simple and convenient operation and easy realization of quick opening and closing.

The existing ship piping system has larger vibration due to special ship working conditions, particularly the piping system. The traditional piping ball valve is not provided with a self-locking device, so that the ball valve is easily opened or closed by mistake due to vibration or operation, and the normal work of a ship is influenced.

Disclosure of Invention

The invention aims to provide a ball valve self-locking device for a ship, and aims to solve the problem that the normal work of the ship is influenced by the fact that a valve is opened or closed by mistake due to vibration or operation of a ball valve in the prior art.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a ball valve self-locking device for a ship comprises:

the handle is connected with the ball valve to control the opening and closing of the valve, the handle comprises a horizontal section, an inclined section and a connecting section which are sequentially connected, the horizontal section is used for operating the handle, and the connecting section is arranged on the ball valve and is connected with a valve rod of the ball valve;

the locking plate is arranged on the inclined section of the handle and matched with the ball valve to lock the valve of the ball valve;

the spring, the spring set up in the slope section of handle, and it is located the upper end of handle, the spring is compression spring, the upper end of spring with the handle is connected, the lower extreme of spring with the locking plate contact.

Preferably, the handle still includes the separation blade, the separation blade is located the below of linkage segment, just the separation blade is located and is close to one side of locking plate, the separation blade with the contained angle has between the linkage segment.

Preferably, the included angle is 90 degrees.

Preferably, a handle sleeve is arranged on the horizontal section.

Preferably, the outer surface of the locking plate is provided with an anti-slip surface through anti-slip treatment, so that friction force is increased, and the anti-slip surface is used for adjusting the position of the locking plate.

Preferably, the locking tab cooperates with a protrusion or recess on the ball valve to fix the position of the handle.

Preferably, the upper end of the spring is welded to the handle.

Preferably, the spring is sleeved on the inclined section, and the inner diameter of the spring is larger than the longest diagonal dimension of the locking plate.

Preferably, the cross section of the handle is of a flat rectangular structure, and the locking piece is of a rectangular annular structure.

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

the device can realize the integration of self-locking, automatic resetting, anti-skidding and loosening, has simple and compact structure, is suitable for the self-locking of the piping ball valve, can stably and reliably work in the piping ball valve, greatly reduces the influence of vibration on the ball valve, ensures the safety of the piping, and ensures the safety and reliability required by modern shipbuilding.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are three embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts according to the drawings:

fig. 1 is a schematic structural view of a marine ball valve self-locking device according to an embodiment of the present invention;

fig. 2 is a schematic view of a locking plate structure according to an embodiment of the present invention.

Description of reference numerals: 1-handle, 2-locking plate, 3-spring, 101-horizontal segment, 102-inclined segment, 103-connecting segment, 104-blocking piece, 105-handle sleeve, 201-antiskid surface and 301-welding point.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-2 and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.

In view of the fact that the ball valve in the prior art is opened or closed by mistake due to vibration or operation, normal work of a ship is affected, the influence of vibration on the ball valve is reduced, the safety of a piping system is guaranteed, and the safety and the reliability required by modern shipbuilding are guaranteed. As shown in fig. 1, the present embodiment provides a ball valve self-locking device for a ship. The method comprises the following steps:

the handle 1 is connected with the ball valve to control the opening and closing of the valve, the handle 1 comprises a horizontal section 101, an inclined section 102 and a connecting section 103 which are sequentially connected, the horizontal section 101 is used for operating the handle, and the connecting section 103 is arranged on the ball valve and is connected with a valve rod of the ball valve;

the locking plate 2 is arranged on the inclined section 102 of the handle 1, and the locking plate 2 is matched with the ball valve to lock the ball valve;

spring 3, spring 3 set up in the slope section 102 of handle, and it is located the upper end of handle 1, spring 3 is compression spring, the upper end of spring 3 with handle 1 is connected, the lower extreme of spring 3 with locking plate 2 contacts.

Handle 1 still includes separation blade 104, separation blade 104 is located the below of linkage segment 103, just separation blade 104 is located and is close to one side of locking plate 2, separation blade 104 with the contained angle has between the linkage segment 103, the contained angle can be according to the profile size of ball valve carries out the setting that suits.

The contained angle is 90 degrees, linkage segment 103 be the contained angle install in the top of ball valve, the separation blade with linkage segment 103 is 90 degrees, prevents droing of locking plate, and not with the ball valve is interfered.

Be provided with handle cover 105 on the horizontal segment, direct contact metal handle when preventing operating handle 1 protects operating personnel, has increased the frictional force when operating simultaneously for it is more laborsaving during the operation.

The outer surface of the locking plate 2 is provided with a non-slip surface 201 through non-slip treatment, and the non-slip surface 201 is shown in fig. 2. The anti-slip surface 201 is used to increase the friction force between the lock plate 2 during operation, so as to facilitate the adjustment of the position of the lock plate 2.

The locking plate 2 is matched with a bulge or a groove on the ball valve to fix the position of the handle 1.

The upper end of the spring 3 is fixedly connected with the handle 1 by welding, in the figure 1, the welding point 301 is the welding point at the upper end of the spring 3, so that the upper end of the spring 3 is fixed.

The spring 3 is sleeved on the inclined section 102, the inner diameter of the spring 3 is larger than the longest diagonal dimension of the locking plate 2, so that the spring 3 can be in contact with the locking plate 2, and the spring force of the spring 3 acts on one side of the locking plate 2.

The cross section of the handle 1 is of a flat rectangular structure, and the locking plate 2 is of a rectangular annular structure.

The locking plate 2 with the ball valve chucking under the effect of spring 3 elastic force realizes the auto-lock of ball valve, and spring 3 is compression spring, as shown in figure 1, and its upper end is fixed through spot welding for spring 3 can not squint, makes locking plate 2 when not receiving external force, automatic re-setting.

To sum up, this embodiment can realize auto-lock, automatic re-setting, antiskid and relax multi-functional in an organic whole, and device simple structure is compact, is applicable to the auto-lock of piping ball valve, can work in the piping ball valve stably, reliably, has reduced the influence of vibrations to the ball valve to a great extent, ensures the safety of piping, guarantees the required security and the reliability of modern shipbuilding.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the description of the present invention, it is to be understood that the terms "center," "height," "thickness," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims

1. The utility model provides a ball valve self-lock device for boats and ships which characterized in that includes:

the handle is connected with the ball valve so as to control the opening and closing of a valve of the ball valve, the handle comprises a horizontal section, an inclined section and a connecting section which are sequentially connected, the horizontal section is used for operating the handle, and the connecting section is arranged on the ball valve and is connected with a valve rod of the ball valve;

2. The marine ball valve self-locking device of claim 1, wherein the handle further comprises a blocking piece, the blocking piece is located below the connecting section, the blocking piece is located on one side close to the locking plate, and an included angle is formed between the blocking piece and the connecting section.

3. The marine ball valve self-locking device of claim 2, wherein the included angle is 90 degrees.

4. The marine ball valve self-locking device of claim 1, wherein a handle sleeve is disposed on the horizontal section.

5. The marine ball valve self-locking device of claim 1, wherein the outer surface of the locking plate is provided with an anti-slip surface for facilitating adjustment of the position of the locking plate.

6. The marine ball valve self-locking device of claim 1, wherein the locking tab engages with a protrusion or a groove on the ball valve to fix the position of the handle.

7. The marine ball valve self-locking device of claim 1, wherein an upper end of the spring is welded to the handle.

8. The marine ball valve self-locking device of claim 1, wherein the spring is sleeved on the inclined section, and the inner diameter of the spring is larger than the longest diagonal dimension of the locking plate.

9. The marine ball valve self-locking device of claim 1, wherein the cross-section of the handle is a flat rectangular structure, and the locking piece is a rectangular ring structure.