CN113389937A - Anti-misoperation handle self-locking ball valve - Google Patents
Anti-misoperation handle self-locking ball valve Download PDFInfo
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- CN113389937A CN113389937A CN202110688513.6A CN202110688513A CN113389937A CN 113389937 A CN113389937 A CN 113389937A CN 202110688513 A CN202110688513 A CN 202110688513A CN 113389937 A CN113389937 A CN 113389937A
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- handle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
- F16K31/607—Handles characterised by particular material, by special measures to obtain aesthetical effects, or by auxiliary functions, e.g. storage
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention provides a self-locking ball valve with an anti-misoperation handle and application thereof in an oil system valve.
Description
Technical Field
The application relates to the technical field of valves, in particular to a false-operation-preventing handle self-locking ball valve and application thereof in an oil system valve.
Background
In the control guarantee of the lubricating oil system of the existing turbo-blower, most of the modes adopted by the oil system are that lubricating oil and security oil share the same system, and the oil supply of the system adopts a shaft head oil pump and an electric auxiliary oil pump. When the unit is started or stopped, the electric auxiliary oil pump supplies oil, and when the rotating speed of the unit reaches the normal rotating speed, the shaft head oil pump is switched to stably supply oil to the unit for a long time, so that the lubricating function and the safety device of the unit are ensured to normally work, and the auxiliary electric oil pump is reserved.
Handle ball valves are used in a large amount in the process of controlling the cut-off or adjustment of an oil path in an oil system, and have the advantages of low price, small leakage amount and good pressure bearing performance. The ball valve that current oil system used because of the mounted position is low, when equipment operation or maintenance, the condition that the people appears and leads to the oil circuit to reveal by striking handle or maloperation valve often, seriously influences the normal operating of unit and the orderly of production task and goes on. In the prior art, a locking sleeve is added on a handle, an opening limiting notch and a closing limiting notch which are matched with the locking sleeve are added on a packing gland, when the locking sleeve enters the limiting notch, the handle is limited and cannot continue to rotate, and the locking sleeve is locked and fixed on the handle through a lock, so that the locking is realized, and the misoperation of non-professionals can be prevented. However, the locking sleeve has a complex structure, and can be realized only by matching the lock, the locking sleeve and the handle, which is not beneficial to quick operation.
Therefore, it is necessary to develop a self-locking structure for preventing a handle or a valve from being operated by mistake, which is convenient for operation, and avoid the occurrence of opening or closing of the valve using the self-locking structure under abnormal conditions, thereby controlling the hidden danger of leakage.
Disclosure of Invention
An object of the embodiment of the application is to provide an anti-misoperation handle auto-lock ball valve and application in oil system valve, through setting up additional handle, additional spacing colluding, adjusting screw, compression spring, realize the auto-lock of ball valve under the valve open-close state, avoid the valve under the abnormal condition to open or close, stop the oil circuit that the handle maloperation arouses and reveal the hidden danger.
In a first aspect, an embodiment of the application provides a handle self-locking ball valve capable of preventing misoperation, which comprises a first handle, a valve body and a valve rod, wherein the first handle is arranged on the valve body and is connected with the valve body through the valve rod, and a limit groove and an additional limit groove are arranged on the valve body; an additional handle is arranged below the first handle, the front end of the additional handle is connected with the valve rod, and an additional limiting hook is arranged on the additional handle;
when the valve needs to be opened, the first handle and the additional handle are held to lift the additional limiting hook, and when the first handle and the additional handle are rotated until the valve is fully opened, the additional limiting hook reaches the closing limiting groove to lock the valve; when the valve needs to be closed, the first handle and the additional handle are held to lift the additional limiting hook, and when the first handle and the additional handle are rotated to be completely closed, the additional limiting hook reaches the additional limiting groove to lock the valve.
In the implementation process, the additional handle and the additional limiting hook are arranged below the original handle (namely the first handle) of the ball valve, and the valve can be easily locked in the opening and closing state of the valve by matching the closing limiting groove and the additional limiting groove on the valve body. The shape of the limiting hook is matched with that of the limiting groove, and after the limiting hook falls into the limiting groove, the limiting hook is preferably not slid or loosened.
Furthermore, a first limiting hook is arranged at the front end of the first handle, and the distance between the connecting point of the first handle and the valve rod and the first limiting hook is 1/4-1/3 of the length of the first handle.
Furthermore, still be equipped with on the valve body and open the spacing groove, at the in-process of opening the valve, first spacing colludes and moves to opening the spacing groove from closing the spacing groove, and the moving trajectory is 1/4 circular arcs, just the circular arc uses the tie point of first handle and valve rod as the original point, uses first spacing colludes the distance to above-mentioned tie point as the radius.
In the implementation process, the front end of the original handle of the ball valve is also provided with the first limiting hook, the structure and the size of the first limiting hook and the structure and the size of the additional limiting hook are consistent, the first limiting hook can be matched with the closing limiting groove, and the limiting locking effect is also achieved. In the process of opening the valve, when rotating first handle and additional handle to the valve is opened entirely, additional spacing colludes and arrives from additional spacing groove and close the spacing groove, and first spacing colludes and arrives from closing the spacing groove and open the spacing groove, opens the setting in spacing groove and also can play and prevent that the handle from rotating excessive effect.
Furthermore, the first handle 1 is V-shaped, one section is a handle section, the other section is a limiting hook section, and the turning part of the V-shape is connected with the valve rod.
In the implementation process, the first handle 1 is V-shaped, the handle section is longer, the section with the limiting hook is shorter, and when the valve is switched by tightly holding the handle around the connecting point of the first handle and the valve rod serving as an original center, the handle is a labor-saving lever. In fact, the shape and strength of the first handle can be adjusted as required, and the first handle can be selected to be V-shaped or long.
In the implementation process, the shape and the strength of the additional handle can be adjusted according to actual requirements, so that the operation is facilitated, and the additional handle is stable and reliable. It should be noted that the shape of the additional handle needs to be matched with the shape of the first handle, and the first handle and the additional handle need to be held tightly for adjustment in the process of controlling the opening and closing of the valve.
Further, the first handle is connected with the additional handle through an adjusting screw, and the adjusting screw is used for adjusting the position of the additional handle from the valve body.
In the implementation process, the additional handle and the additional limiting hook are matched to realize the self-locking function and need to move in the vertical direction, and the relative position of the additional handle and the valve body needs to be adjusted sometimes in order to facilitate the matching and clamping of the additional limiting hook and the additional limiting groove on the valve body. Set up adjusting screw between first handle and additional handle, make the distance between additional handle and the first handle suitable, the one-hand operation of clenching of being convenient for also makes the distance between additional handle and the first handle suitable, is convenient for attach spacing collude with the cooperation locking of additional spacing groove. In the implementation process, the adjusting screw achieves the effect by adjusting the distance between the first handle and the additional handle.
Further, the distance between the connecting point of the adjusting screw and the first handle and the connecting point of the valve rod and the first handle is 1/5-1/10 of the length of the first handle; the distance between the connecting point of the adjusting screw and the additional handle and the connecting point of the valve rod and the additional handle is 1/5-1/10 of the length of the additional handle.
In the implementation process, the connection point of the adjusting screw and the first handle/the additional handle is determined according to the size of the valve body, the angle to be adjusted, the length of the handle and the like, so that the valve is convenient to operate and can be locked in a fully-opened or fully-closed state.
Furthermore, a compression spring is arranged between the first handle and the additional handle and used for resetting the additional handle; after the additional handle is loosened, the additional limiting hook on the additional handle falls into the closing limiting groove or the additional limiting groove under the action of the compression spring.
In the above implementation, the compression spring is always in a compressed state, i.e. it always appears to resist further compression, the effect of elongation being intended to be achieved. When the first handle and the additional handle are held tightly to rotate, when the valve reaches a full-open or full-close state, the additional limiting hook is positioned above the closing limiting groove or the additional limiting groove, if the holding force is removed, the compression spring can reset the additional handle, and after the additional handle is loosened, the additional limiting hook can fall into the closing limiting groove or the additional limiting groove under the action of the compression spring. Meanwhile, the compression spring is always in a compressed state, so that the compression spring also plays a role in pressing the additional limiting hook after falling into the limiting groove. This step is very crucial, and when spacing collude was in by the compressed state behind the spacing inslot, auto-lock or interference killing feature was very strong, can not disturbed by the external force of horizontal direction basically.
Furthermore, the connecting point of the compression spring and the first handle is positioned between the connecting point of the first handle and the valve rod and the connecting point of the first handle and the adjusting screw; the connection point of the compression spring to the additional handle is located between the connection point of the additional handle and the valve stem and the connection point of the additional handle and the adjusting screw.
In the implementation process, the connection point of the compression spring and the first handle/additional handle is determined according to the length of the valve handle and the like, so that the valve is convenient to operate and can be pressed and locked in a fully-opened or fully-closed state.
Further, the length of the additional limiting hook is matched with the position of the additional limiting groove; firstly, the length of the additional limiting hook and the position of the additional handle relative to the valve body are determined by ensuring that the additional limiting hook can lock the valve when the valve is fully opened, then the first handle and the additional handle are rotated to the fully closed position of the valve based on the position, and the position of the additional limiting groove is determined by the position of the additional limiting hook.
In a second aspect, the embodiment of the application provides an application of the self-locking ball valve in an oil system valve, and hidden danger of oil circuit leakage caused by handle or valve misoperation is avoided.
Has the advantages that:
in the implementation process, the invention provides the self-locking ball valve with the anti-misoperation handle and the application of the self-locking ball valve in the valve of the oil system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a self-locking ball valve with a false-operation-preventing handle according to an embodiment of the present application.
Fig. 2 is a valve switch schematic diagram of the anti-misoperation handle self-locking ball valve provided by the embodiment of the application.
Wherein each reference numeral, 1-a first handle; 2-an additional handle; 3-adjusting the screw; 4-compression spring; 5-closing a limit groove; 6-additional limiting groove; 7-opening a limiting groove; 8-a valve body; 9-a valve stem; 10-a first limit hook; 11-additional limit hook.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Examples
Referring to fig. 1-2, the embodiment provides a self-locking ball valve with an anti-misoperation handle, which includes a first handle 1, a valve body 8 and a valve rod 9, wherein the first handle 1 is arranged on the valve body 8, the first handle 1 is connected with the valve body 8 through the valve rod 9, and the valve body 8 is provided with a limit groove 5 and an additional limit groove 6; an additional handle 2 is arranged below the first handle 1, the front end of the additional handle 2 is connected with a valve rod 9, and an additional limiting hook 11 is arranged on the additional handle 2; when the valve needs to be opened, the first handle 1 and the additional handle 2 are held to lift the additional limiting hook 11, and when the first handle 1 and the additional handle 2 are rotated until the valve is fully opened, the additional limiting hook 11 reaches the closing limiting groove 5 to lock the valve; when the valve needs to be closed, the first handle 1 and the additional handle 2 are held to lift the additional limiting hook 11, and when the first handle 1 and the additional handle 2 are rotated to be completely closed, the additional limiting hook 11 reaches the additional limiting groove 6 to lock the valve.
The front end of the first handle 1 is provided with a first limit hook 10, and the distance between the connecting point of the first handle 1 and the valve rod 9 and the first limit hook 10 is 1/4-1/3 of the length of the first handle 1.
The valve body 8 is further provided with an open limiting groove 7, in the process of opening the valve, the first limiting hook 10 moves to the open limiting groove 7 from the close limiting groove 5, the moving track is 1/4 circular arc, the circular arc uses the connecting point of the first handle 1 and the valve rod 9 as the original point, and the distance from the first limiting hook 10 to the connecting point is used as the radius.
The first handle 1 is V-shaped, one section is a handle section, the other section is a limiting hook section, and the turning part of the V-shape is connected with the valve rod 9.
The first handle 1 is connected with the additional handle 2 through an adjusting screw 3, and the adjusting screw 3 is used for adjusting the position of the additional handle 2 from the valve body 8.
The distance between the connecting point of the adjusting screw 3 and the first handle 1 and the connecting point of the valve rod 9 and the first handle 1 is 1/5-1/10 of the length of the first handle 1; the distance between the connecting point of the adjusting screw 3 and the additional handle 2 and the connecting point of the valve rod 9 and the additional handle 2 is 1/5-1/10 of the length of the additional handle 2.
A compression spring 4 is further arranged between the first handle 1 and the additional handle 2, and the compression spring 4 is used for resetting the additional handle 2; after the additional handle 2 is loosened, the additional limiting hook 11 on the additional handle 2 falls into the closing limiting groove 5 or the additional limiting groove 6 under the action of the compression spring 4.
The connecting point of the compression spring 4 and the first handle 1 is positioned between the connecting point of the first handle 1 and the valve rod 9 and the connecting point of the first handle 1 and the adjusting screw 3; the connection point of the compression spring 4 to the additional handle 2 is located between the connection point of the additional handle 2 and the valve stem 9 and the connection point of the additional handle 2 and the adjusting screw 3.
The length of the additional limiting hook 11 is matched with the position of the additional limiting groove 6; firstly, the length of the additional limiting hook 11 and the position of the additional handle 2 relative to the valve body 8 are determined by ensuring that the additional limiting hook 11 can lock the valve when the valve is fully opened, then the first handle 1 and the additional handle 2 are rotated to the fully closed position of the valve based on the position, and the position of the additional limiting groove 6 is determined by the position of the additional limiting hook 1 at the moment.
In the implementation process, the additional handle 2 and the additional limiting hook 1 are arranged below the original handle (namely the first handle 1) of the ball valve, and the valve can be easily locked in the valve opening and closing state by matching the limiting groove 5 and the additional limiting groove 6 on the valve body 8. The shape of the limiting hook is matched with that of the limiting groove, and after the limiting hook falls into the limiting groove, the limiting hook is preferably not slid or loosened.
In the implementation process, the front end of the original handle of the ball valve is also provided with the first limiting hook 10, the structure and the size of the first limiting hook 10 and the structure and the size of the additional limiting hook 11 are consistent, the first limiting hook 10 can be matched with the closing limiting groove 5, and the limiting locking effect is also achieved. In the process of opening the valve, when rotating first handle 1 and additional handle 2 to the valve full open, additional spacing colludes 11 and arrives from additional spacing groove 6 and close spacing groove 5, and first spacing colludes 10 and arrives from closing spacing groove 5 and open spacing groove 7, and the setting of opening spacing groove 7 also can play and prevent that the handle from rotating excessive effect.
In the implementation process, the first handle 1 is V-shaped, the handle section is longer, the section with the limiting hook is shorter, and when the valve is switched by tightly holding the handle around the connecting point of the first handle 1 and the valve rod 9 serving as an original center, the handle is a labor-saving lever. In fact, the shape and strength of the first handle 1 can be adjusted as required, and the first handle 1 can be selected to be V-shaped or long.
In the implementation process, the shape and the strength of the additional handle 2 can be adjusted according to actual requirements, so that the operation is facilitated, and the stability and the reliability are good. It should be noted that the shape of the additional handle 2 needs to be matched with the shape of the first handle 1, and in the process of controlling the opening and closing of the valve, the first handle 1 and the additional handle 2 need to be held tightly for adjustment, and at this time, in order to facilitate the one-hand operation, the additional handle 2 is located below the first handle 1, and the shape is not too abrupt, and is preferably closer to the first handle 1.
In the implementation process, the additional handle 2 is matched with the additional limiting hook 11 to realize the self-locking function, the additional handle needs to move in the vertical direction, and the relative position of the additional handle 2 and the valve body 8 needs to be adjusted sometimes in order to facilitate the matching and clamping of the additional limiting hook 11 and the additional limiting groove 6 on the valve body 8. Set up adjusting screw 3 between first handle 1 and additional handle 2, make the distance between additional handle 2 and the first handle 1 suitable, the one-hand operation of clenching of being convenient for also makes the distance between additional handle 2 and the first handle 1 suitable, is convenient for attach spacing collude 11 and the cooperation locking of additional spacing groove 6. In the above implementation process, the adjusting screw 3 achieves the above effect by adjusting the distance between the first handle 1 and the additional handle 2.
In the implementation process, the connection point of the adjusting screw 3 and the first handle 1/the additional handle 2 is determined according to the size of the valve body 8, the angle to be adjusted, the length of the handle and the like, so that the valve is convenient to operate and can be locked in a fully-opened or fully-closed state.
In the above implementation, the compression spring 4 is always in a compressed state, i.e. it always appears to resist further compression, the effect of elongation being intended to be achieved. When gripping first handle 1 and additional handle 2 and rotating, when the valve reached full open or closed state, additional spacing collude 11 and is located and closes spacing groove 5 or additional spacing groove 6 top, if remove the power of gripping, compression spring 4 will let additional handle 2 reset, unclamp additional handle 2 after, additional spacing collude 11 will close spacing groove 5 or additional spacing groove 6 in compression spring 4's effect whereabouts income. Meanwhile, the compression spring 4 is always in a compressed state, and plays a role in pressing the additional limiting hook 11 after falling into the limiting groove. This step is very crucial, and when spacing collude was in by the compressed state behind the spacing inslot, auto-lock or interference killing feature was very strong, can not disturbed by the external force of horizontal direction basically.
In the implementation process, the connection point of the compression spring 4 and the first handle 1/the additional handle 2 is determined according to the length of the valve handle and the like, so that the valve is convenient to operate and can be tightly pressed and locked in a fully-opened or fully-closed state.
The anti-misoperation handle self-locking ball valve is widely applied to valves of oil systems, and avoids hidden danger of oil circuit leakage caused by misoperation of the handle or the valve.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A handle self-locking ball valve capable of preventing misoperation comprises a first handle, a valve body and a valve rod, wherein the first handle is arranged on the valve body and is connected with the valve body through the valve rod;
the valve is characterized in that an additional handle is arranged below the first handle, the front end of the additional handle is connected with the valve rod, and an additional limiting hook is arranged on the additional handle;
when the valve needs to be opened, the first handle and the additional handle are held to lift the additional limiting hook, and when the first handle and the additional handle are rotated until the valve is fully opened, the additional limiting hook reaches the closing limiting groove to lock the valve; when the valve needs to be closed, the first handle and the additional handle are held to lift the additional limiting hook, and when the first handle and the additional handle are rotated to be completely closed, the additional limiting hook reaches the additional limiting groove to lock the valve.
2. The self-locking ball valve of claim 1, wherein a first limit hook is provided at the front end of the first handle, and the distance between the connecting point of the first handle and the valve rod and the first limit hook is 1/4-1/3 of the length of the first handle.
3. The self-locking ball valve of claim 2, wherein the valve body is further provided with an open limiting groove, and during the opening of the valve, the first limiting hook moves from the closed limiting groove to the open limiting groove along an 1/4 arc, the arc is formed by using a connecting point of the first handle and the valve rod as an origin and using a distance from the first limiting hook to the connecting point as a radius.
4. The self-locking ball valve of claim 1, wherein the first handle is V-shaped, one handle section and one limiting hook section, and the turning part of the V-shape is connected with the valve rod.
5. The self-locking ball valve of claim 1, wherein the first handle is coupled to the additional handle by an adjustment screw for adjusting the position of the additional handle from the valve body.
6. The self-locking ball valve of claim 5, wherein the connection point of the adjustment screw and the first handle is spaced from the connection point of the valve stem and the first handle by a distance of 1/5-1/10 of the length of the first handle; the distance between the connecting point of the adjusting screw and the additional handle and the connecting point of the valve rod and the additional handle is 1/5-1/10 of the length of the additional handle.
7. The self-locking ball valve of claim 6, wherein a compression spring is disposed between the first handle and the additional handle, the compression spring being configured to return the additional handle; after the additional handle is loosened, the additional limiting hook on the additional handle falls into the closing limiting groove or the additional limiting groove under the action of the compression spring.
8. The self-locking ball valve of claim 7, wherein the connection point of the compression spring to the first handle is located between the connection point of the first handle and the valve stem and the connection point of the first handle and the adjustment screw; the connection point of the compression spring to the additional handle is located between the connection point of the additional handle and the valve stem and the connection point of the additional handle and the adjusting screw.
9. The self-locking ball valve of claim 7, wherein the length of the additional limiting hook matches the position of the additional limiting groove; firstly, the length of the additional limiting hook and the position of the additional handle relative to the valve body are determined by ensuring that the additional limiting hook can lock the valve when the valve is fully opened, then the first handle and the additional handle are rotated to the fully closed position of the valve based on the position, and the position of the additional limiting groove is determined by the position of the additional limiting hook.
10. Use of a self-locking ball valve according to any one of claims 1-9 in a valve for an oil system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110688513.6A CN113389937B (en) | 2021-06-22 | 2021-06-22 | Anti-misoperation handle self-locking ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110688513.6A CN113389937B (en) | 2021-06-22 | 2021-06-22 | Anti-misoperation handle self-locking ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113389937A true CN113389937A (en) | 2021-09-14 |
| CN113389937B CN113389937B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110688513.6A Active CN113389937B (en) | 2021-06-22 | 2021-06-22 | Anti-misoperation handle self-locking ball valve |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203421273U (en) * | 2013-08-26 | 2014-02-05 | 深圳市飞托克实业有限公司 | Valve with lock |
| CN104400495A (en) * | 2014-11-25 | 2015-03-11 | 重庆成欧机械有限公司 | Milling, opening and clamping tool of motorcycle engine cylinder head |
| CN209725407U (en) * | 2019-03-22 | 2019-12-03 | 精工阀门有限公司 | A kind of ball valve of fast changeable handle |
| CN211288960U (en) * | 2019-11-25 | 2020-08-18 | 天津巨孚流体控制设备有限公司 | Valve handle of high reliability |
| CN211423528U (en) * | 2019-11-15 | 2020-09-04 | 国家电网有限公司 | Isolation ball valve capable of being locked quickly |
| CN212107144U (en) * | 2020-04-23 | 2020-12-08 | 宁波东海森田消防装备有限公司 | Fire-fighting water valve |
-
2021
- 2021-06-22 CN CN202110688513.6A patent/CN113389937B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203421273U (en) * | 2013-08-26 | 2014-02-05 | 深圳市飞托克实业有限公司 | Valve with lock |
| CN104400495A (en) * | 2014-11-25 | 2015-03-11 | 重庆成欧机械有限公司 | Milling, opening and clamping tool of motorcycle engine cylinder head |
| CN209725407U (en) * | 2019-03-22 | 2019-12-03 | 精工阀门有限公司 | A kind of ball valve of fast changeable handle |
| CN211423528U (en) * | 2019-11-15 | 2020-09-04 | 国家电网有限公司 | Isolation ball valve capable of being locked quickly |
| CN211288960U (en) * | 2019-11-25 | 2020-08-18 | 天津巨孚流体控制设备有限公司 | Valve handle of high reliability |
| CN212107144U (en) * | 2020-04-23 | 2020-12-08 | 宁波东海森田消防装备有限公司 | Fire-fighting water valve |
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| Publication number | Publication date |
|---|---|
| CN113389937B (en) | 2023-04-14 |
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