CN217559163U

CN217559163U - Ball valve with locking mechanism and anti-false-opening function

Info

Publication number: CN217559163U
Application number: CN202121791033.4U
Authority: CN
Inventors: 蔺新荃; 高峰
Original assignee: Dalian Gaofa Pump & Valve Co ltd
Current assignee: Dalian Gaofa Pump & Valve Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-10-11
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a ball valve with locking mechanical system and prevent function of opening by mistake, including the valve body, the top of valve body is run through and is provided with the valve rod, the valve rod rotates with the valve body to be connected, and the one end that the valve rod is located in the valve body is fixedly connected with the case, the top of valve rod is fixedly connected with the handle, the top of valve body is located the outer wall fixedly connected with holding ring of valve rod, the circumference outer wall equidistance of holding ring has seted up a plurality of locking grooves, the top of handle runs through and is provided with the locking lever, locking lever and handle sliding connection, the bottom of locking lever is located one locking inslot; the utility model discloses a cooperation of locking lever and locking groove can play effectual limiting displacement to the handle, avoids touching the handle because of the mistake, and leads to the handle to take place to rotate with the valve body relatively to avoided the mistake of ball valve to open, the mistake is closed, and the velocity of flow etc. of medium changes etc. simple structure, simple operation, excellent in use effect.

Description

Ball valve with locking mechanism and function of preventing false opening

Technical Field

The utility model relates to a ball valve specifically is a ball valve with locking mechanical system and prevent mistake and open function.

Background

Ball valve is a valve in which the opening and closing element (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like.

The ball valve is one of the most common valves in daily life, and most water taps belong to the ball valve.

Most of the existing manual ball valves lack of a locking mechanism, and the handle of the existing manual ball valve often drives a valve rod and a valve core to rotate due to error touch, so that the ball valve is mistakenly opened and mistakenly closed, or the flow rate of a medium and the like are changed, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball valve with locking mechanical system and prevent mistake and open the function to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a ball valve with locking mechanical system and prevent function of opening by mistake, includes the valve body, the top of valve body is run through and is provided with the valve rod, the valve rod rotates with the valve body to be connected, and the valve rod is located one end and case fixed connection in the valve body, the top fixedly connected with handle of valve rod, the top of valve body is located the outer wall fixedly connected with holding ring of valve rod, a plurality of locking groove has been seted up to the circumference outer wall equidistance of holding ring, the top of handle is run through and is provided with the locking lever, locking lever and handle sliding connection, the bottom of locking lever is located one locking inslot.

As a further aspect of the present invention: the outer wall of the locking rod is movably sleeved with a guide pipe, and the top end of the guide pipe is fixedly connected with the bottom of the handle.

As a further aspect of the present invention: the top end of the locking rod is fixedly connected with a U-shaped block, the inner side of the U-shaped block is fixedly connected with a clamping rod, the top of the handle is hinged with a pressing plate, a waist groove is formed in the position, corresponding to the U-shaped block, of the outer wall of the pressing plate in a penetrating mode, the pressing plate is located on the inner side of the U-shaped block, and the clamping rod penetrates through the waist groove.

As a further aspect of the present invention: the top of the handle is fixedly connected with a spring, the top end of the spring is fixedly connected with the outer wall of the pressing plate, and the waist groove and the spring are respectively positioned on two sides of the hinged position of the pressing plate and the handle.

As a further aspect of the present invention: the top opening of locking groove is the flaring setting, the bottom of locking lever is the cambered surface setting.

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

1. the utility model discloses a cooperation of locking lever and locking groove can play effectual limiting displacement to the handle, avoids touching the handle because of the mistake, and leads to the handle to take place to rotate with the valve body relatively to avoided the mistake of ball valve to open, the mistake is closed, and the velocity of flow etc. of medium changes etc. simple structure, simple operation, excellent in use effect.

2. When the ball valve needs to be adjusted, only one end of the pressing plate needs to be pressed, the locking rod is driven to move upwards through the matching of the waist groove and the clamping rod, so that the bottom end of the locking rod is separated from the locking groove, and the handle can be rotated to adjust the ball valve; when the handle is rotated to a required angle, the locking rod is aligned with the corresponding locking groove, the pressing plate is loosened, and the locking rod can be inserted into the locking groove under the action of the spring.

3. The utility model discloses a flaring setting of locking groove cooperates with the cambered surface bottom of locking lever, can play good guide effect to the degree of difficulty that aligns the bottom of locking lever and insert the locking inslot has been reduced.

Drawings

Fig. 1 is a schematic structural diagram of a ball valve with a locking mechanism and an anti-false-opening function.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a schematic structural view of a locking rod of a ball valve having a locking mechanism and an anti-misopening function.

The valve comprises a valve body 1, a valve rod 2, a positioning ring 3, a locking groove 4, a handle 5, a guide pipe 6, a locking rod 7, a U-shaped block 8, a clamping rod 9, a pressing plate 10, a waist groove 11 and a spring 12.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, will combine the embodiment below, it is right to the utility model discloses go on further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have the orientation, configuration, and operation specified in the specification and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Please refer to fig. 1-3, in an embodiment of the present invention, a ball valve with a locking mechanism and an anti-false-opening function, includes a valve body 1, the top of the valve body 1 is provided with a valve rod 2 in a penetrating manner, the valve rod 2 is connected with the valve body 1 in a rotating manner, and the valve rod 2 is located the one end and the valve core fixed connection in the valve body 1, the top end fixed connection of the valve rod 2 is provided with a handle 5, the top of the valve body 1 is located the outer wall fixed connection positioning ring 3 of the valve rod 2, a plurality of locking grooves 4 are opened at the circumference outer wall equidistance of the positioning ring 3, the top of the handle 5 is provided with a locking rod 7 in a penetrating manner, the locking rod 7 is connected with the handle 5 in a sliding manner, and the bottom end of the locking rod 7 is located one of the locking grooves 4.

The outer wall activity of locking lever 7 has cup jointed stand pipe 6, the top of stand pipe 6 and the bottom fixed connection of handle 5 through the setting of stand pipe 6, can improve the stability of locking lever 7.

The top end of the locking rod 7 is fixedly connected with a U-shaped block 8, the inner side of the U-shaped block 8 is fixedly connected with a clamping rod 9, the top of the handle 5 is hinged with a pressing plate 10, a waist groove 11 is arranged at the position, corresponding to the U-shaped block 8, of the outer wall of the pressing plate 10 in a penetrating mode, the pressing plate 10 is located on the inner side of the U-shaped block 8, and the clamping rod 9 penetrates through the waist groove 11.

Through the setting of U type piece 8, kelly 9, according to board 10 and waist groove 11, when pressing the one end of according to board 10, can drive locking lever 7 through the cooperation of waist groove 11 with kelly 9 and move upwards to make the bottom of locking lever 7 break away from locking groove 4, can rotate handle 5 this moment, in order to adjust the ball valve.

The top of the handle 5 is fixedly connected with a spring 12, the top end of the spring 12 is fixedly connected with the outer wall of the pressing plate 10, and the waist groove 11 and the spring 12 are respectively positioned at two sides of the hinged position of the pressing plate 10 and the handle 5.

Through the setting of spring 12, when not pressing down the pressing plate 10, can utilize the elasticity of spring 12 to make locking lever 7 remain in locking groove 4 all the time, when rotating handle 5 to required angle to make locking lever 7 align with corresponding locking groove 4, unclamp pressing plate 10, locking lever 7 can insert in locking groove 4 under the effect of spring 12.

The top opening of locking groove 4 is the flaring setting, the bottom of locking lever 7 is the cambered surface setting.

The flaring setting of locking groove 4 cooperates with the cambered surface bottom of locking lever 7, can play good guide effect to the degree of difficulty of inserting the bottom alignment of locking lever 7 in the locking groove 4 has been reduced.

The utility model discloses a theory of operation is:

the utility model discloses a locking lever 7 and locking groove 4's cooperation can play effectual limiting displacement to handle 5, avoids touching handle 5 because of the mistake, and leads to handle 5 relative and valve body 1 to take place to rotate to avoided the mistake of ball valve to open, the mistake is closed, and the velocity of flow etc. of medium changes etc. simple structure, simple operation, excellent in use effect.

When the ball valve needs to be adjusted, only one end of the pressing plate 10 needs to be pressed, the locking rod 7 is driven to move upwards through the matching of the waist groove 11 and the clamping rod 9, so that the bottom end of the locking rod 7 is separated from the locking groove 4, and at the moment, the handle 5 can be rotated to adjust the ball valve;

when the handle 5 is rotated to a desired angle and the locking lever 7 is aligned with the corresponding locking groove 4, the locking lever 7 is inserted into the locking groove 4 by the spring 12 by releasing the pressing plate 10.

The utility model discloses a flaring setting of locking groove 4 cooperates with the cambered surface bottom of locking lever 7, can play good guide effect to the degree of difficulty that aligns the bottom of locking lever 7 and insert in the locking groove 4 has been reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a ball valve with locking mechanical system and prevent function of opening by mistake which characterized in that: including valve body (1), the top of valve body (1) is run through and is provided with valve rod (2), valve rod (2) rotate with valve body (1) and be connected, and valve rod (2) one end and case fixed connection that are located valve body (1), the top fixedly connected with handle (5) of valve rod (2), the top of valve body (1) is located outer wall fixedly connected with holding ring (3) of valve rod (2), a plurality of locking groove (4) have been seted up to the circumference outer wall equidistance of holding ring (3), the top of handle (5) is run through and is provided with locking lever (7), locking lever (7) and handle (5) sliding connection, the bottom of locking lever (7) is located one in locking groove (4).

2. The ball valve with the locking mechanism and the anti-false-opening function according to claim 1, wherein: the outer wall of the locking rod (7) is movably sleeved with a guide pipe (6), and the top end of the guide pipe (6) is fixedly connected with the bottom of the handle (5).

3. The ball valve with the locking mechanism and the anti-false-opening function according to claim 1, wherein: the top fixedly connected with U type piece (8) of locking lever (7), inboard fixedly connected with kelly (9) of U type piece (8), the top of handle (5) articulates there is press plate (10), the outer wall of press plate (10) runs through with the department that corresponds of U type piece (8) and is provided with waist groove (11), press plate (10) are located the inboard of U type piece (8), kelly (9) are passed by waist inslot (11).

4. A ball valve having a locking mechanism and a false opening prevention function according to claim 3, characterized in that: the top of the handle (5) is fixedly connected with a spring (12), the top end of the spring (12) is fixedly connected with the outer wall of the pressing plate (10), and the waist groove (11) and the spring (12) are respectively positioned on two sides of the hinged position of the pressing plate (10) and the handle (5).

5. The ball valve with the locking mechanism and the anti-false-opening function according to claim 1, characterized in that: the top opening of locking groove (4) is the flaring setting, the bottom of locking lever (7) is the cambered surface setting.