CN210566608U

CN210566608U - Self-locking ball valve

Info

Publication number: CN210566608U
Application number: CN201921106615.7U
Authority: CN
Inventors: 黄圣贤
Original assignee: Zhenjiang Chemical Instruments And Electrical Appliances Co Ltd
Current assignee: Zhenjiang Chemical Instruments And Electrical Appliances Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-05-19
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a self-locking ball valve, which comprises a valve body and a valve rod arranged on the valve body and used for valve body switch, wherein a handle rod is arranged on the valve rod, a plurality of self-locking grooves are arranged on the valve body and positioned outside the valve rod, a regulating block fixedly connected is arranged at the bottom of the handle rod and positioned above the self-locking grooves, a regulating groove is arranged at the bottom of the regulating block, a self-locking block movably connected and matched with the self-locking grooves is arranged in the regulating groove, a first reset spring is arranged in the regulating groove positioned at the upper end of the self-locking block, a connecting hole communicated and in an inverted L shape is arranged at the upper end of the regulating groove, a regulating wire is arranged in the connecting hole, one end of the regulating wire passes through the middle part of the first reset spring and is fixedly connected with the self-locking block, a regulating mechanism driving the regulating wire to move back and forth is arranged at the bottom of, when the handle rod is used, self-locking can be realized, and the handle rod can be effectively fixed after being adjusted.

Description

Self-locking ball valve

Technical Field

The utility model belongs to the technical field of the valve, concretely relates to from locking-type ball valve.

Background

Ball valve, the opening and closing piece (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 multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.

When the existing ball valve is used, the handle used for rotating is not fixed after rotating, and is easy to rotate due to factors of the outside or water flow, so that the valve is opened or closed difficultly, and needs to be adjusted in time, which causes great troubles and influences use.

SUMMERY OF THE UTILITY MODEL

The prior art is difficult to satisfy people's needs, in order to solve the above-mentioned problem that exists, the utility model provides a from locking-type ball valve.

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

a self-locking ball valve, which comprises a valve body and a valve rod arranged on the valve body and used for opening and closing the valve body, a handle rod used for rotating the valve rod is arranged on the valve rod, a plurality of self-locking grooves are arranged on the valve body positioned at the outer side of the valve rod, an adjusting block fixedly connected is arranged at the bottom of the handle rod positioned above the self-locking grooves, the bottom of the adjusting block is provided with an adjusting groove, the adjusting groove is internally provided with a self-locking block which is movably connected and matched with the self-locking groove, the adjusting groove at the upper end of the self-locking block is internally provided with a first return spring, the upper end of the adjusting groove is provided with a connecting hole which is communicated and is in an inverted L shape, an adjusting line is arranged in the connecting hole, one end of the adjusting line penetrates through the middle of the first reset spring and is fixedly connected with the self-locking block, an adjusting mechanism for driving the adjusting line to move back and forth is arranged at the bottom of the extending end of the handle rod, and the other end of the adjusting line is connected with the adjusting mechanism.

Preferably, adjustment mechanism includes regulating box and the clamp plate of up-and-down motion, regulating box fixed connection is in the bottom that the handle bar extends the end, the one end that the other end activity of regulation line passed the regulating box and the inner wall fixed connection of the regulating box other end are located inside the regulating box the regulation line below is equipped with the regulating plate, the regulating plate bottom is equipped with a plurality of second reset spring, the bottom fixed connection of second reset spring bottom and regulating box inboard, be equipped with a plurality of regulation poles on the clamp plate, adjust the lateral wall and the regulating plate bottom fixed connection of pole upper end activity through the regulating box bottom.

Further, the section of the adjusting plate is arc-shaped.

Preferably, the bottom of the handle rod between the adjusting mechanism and the adjusting block is provided with a flow guide pipe, the adjusting line is arranged in the flow guide pipe, one end of the flow guide pipe is communicated with the connecting hole, and the other end of the flow guide pipe is communicated with the adjusting box.

Preferably, the bottom of the self-locking block is hemispherical.

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

according to the self-locking block capable of moving up and down, when the handle rod is adjusted to a proper position, the first return spring enables the self-locking block to move down and be clamped with the self-locking groove, so that the handle rod is fixed, the valve rod is fixed, external or water flow factors are effectively prevented from causing the rotation of the handle rod to influence the flow passing through the ball valve, and the integral stable operation is guaranteed.

Drawings

Fig. 1 is a schematic view of a front view structure provided by the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic view of a connection structure between the adjusting mechanism and the handle bar provided by the present invention;

the reference numbers in the figures illustrate: 1. a valve body; 11. a self-locking groove; 2. a valve stem; 3. a handle bar; 4. an adjusting block; 41. a self-locking block; 42. an adjustment line; 43. an adjustment groove; 44. a first return spring; 46. connecting holes; 5. an adjusting box; 51. pressing a plate; 52. a second return spring; 53. an adjusting plate; 54. adjusting a rod; 6. and a flow guide pipe.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

It should be noted that, in the present invention, when an element is referred to as being "fixed" to another element, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-3, a self-locking ball valve comprises a valve body 1 and a valve rod 2 arranged on the valve body 1 for opening and closing the valve body 1, wherein a handle rod 3 for rotating the valve rod 2 is arranged on the valve rod 2, a plurality of self-locking grooves 11 are arranged on the valve body 1 and positioned outside the valve rod 2, an adjusting block 4 fixedly connected with the bottom of the handle rod 3 and positioned above the self-locking grooves 11 is arranged at the bottom of the adjusting block 4, an adjusting groove 43 is arranged at the bottom of the adjusting block 4, a self-locking block 41 movably connected with and matched with the self-locking grooves 11 is arranged in the adjusting groove 43, a first return spring 44 is arranged in the adjusting groove 43 and positioned at the upper end of the self-locking block 41, a connecting hole 46 which is communicated with and is in an inverted L shape is arranged at the upper end of the adjusting groove 43, an adjusting wire 42 is arranged in the connecting hole 46, and one end of, the bottom of the extending end of the handle rod 3 is provided with an adjusting mechanism which drives the adjusting line 42 to move back and forth, and the other end of the adjusting line 42 is connected with the adjusting mechanism.

Further, adjustment mechanism includes regulating box 5 and the clamp plate 51 of up-and-down motion, 5 fixed connection of regulating box is in the bottom of handle bar 3 extension end, the other end activity of adjusting wire 42 passes the one end of regulating box 5 and the inner wall fixed connection of the regulating box 5 other end, is located inside regulating box 5 it is equipped with regulating plate 53 to adjust wire 42 below, regulating plate 53 bottom is equipped with a plurality of second reset spring 52, second reset spring 52 bottom and the inboard bottom fixed connection of regulating box 5, be equipped with a plurality of regulation poles 54 on the clamp plate 51, the lateral wall and the regulating plate 53 bottom fixed connection of regulating box 5 bottom are passed in the activity of regulating pole 54 upper end.

The design of the pressing plate 51 is that when a user holds the handle rod 3 by hands, the pressing plate 51 can move upwards by pressing of fingers, so that the adjusting plate 53 presses the adjusting wire 42, the adjusting wire 42 is contracted, the self-locking block 41 is driven to move upwards, and the unlocking of the handle rod 3 is completed; when the handle bar 3 is rotated to a proper position, the pressing plate 51 is moved downward by releasing the combination of the handle bar 3, the first return spring 44 and the second return spring 52, the adjusting wire 42 is rapidly tensioned, and the self-locking block 41 is automatically fastened and fixed with the self-locking groove 11, so that the handle bar 3 is locked.

Further, the section of the adjusting plate 53 is circular arc.

The arc design of the adjusting plate 53 ensures that the adjusting line 42 is always kept in the middle of the adjusting plate 53 when the adjusting plate 53 adjusts the adjusting line 42, thereby ensuring the integral stable operation.

Furthermore, a flow guide pipe 6 is arranged at the bottom of the handle rod 3 between the adjusting mechanism and the adjusting block 4, the adjusting line 42 is arranged inside the flow guide pipe 6, one end of the flow guide pipe 6 is communicated with the connecting hole 46, and the other end of the flow guide pipe 6 is communicated with the adjusting box 5.

Due to the design of the flow guide pipe 6, the adjusting line 42 is hidden, so that external factors are effectively prevented, and the adjusting line 42 is broken.

Further, the bottom of the self-locking block 41 is hemispherical.

The hemispherical design enables the self-locking piece 41 to be better clamped and fixed with the self-locking groove 11.

Further, the self-locking grooves 11 are uniformly distributed in an arc shape in the rotating range of the handle rod 3, and the rotating range of the handle rod 3 is from opening to closing of the valve body 1.

The distribution of self-locking groove 11 makes the user can fix handle pole 3 in the position of setting for as required, and it is convenient to adjust.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a from locking-type ball valve, includes the valve body to and set up the valve rod that is used for the valve body switch on the valve body, be equipped with on the valve rod and be used for valve rod pivoted handle pole, its characterized in that: be located the valve rod outside be equipped with a plurality of self-locking grooves on the valve body, be located the self-locking groove top the handle bar bottom is equipped with fixed connection's regulating block, the regulating block bottom is equipped with the adjustment tank, be equipped with swing joint in the adjustment tank and with self-locking groove assorted self-locking piece, be located the self-locking piece upper end be equipped with first reset spring in the adjustment tank, the adjustment tank upper end is equipped with and is linked together and is the connecting hole of inversion "L" shape, be equipped with the regulating wire in the connecting hole, first reset spring middle part and self-locking piece fixed connection are passed to regulating wire one end, the bottom of handle bar extension end is equipped with the adjustment mechanism who drives the regulating wire seesaw, the regulating wire other end is connected with adjustment mechanism.

2. The self-locking ball valve of claim 1, wherein: adjustment mechanism includes regulating box and the clamp plate of up-and-down motion, regulating box fixed connection is in the bottom that the handle bar extends the end, the other end activity of regulation line passes the one end of regulating box and the inner wall fixed connection of the regulating box other end, is located inside the regulating box the regulation line below is equipped with the regulating plate, the regulating plate bottom is equipped with a plurality of second reset spring, second reset spring bottom and the inboard bottom fixed connection of regulating box, be equipped with a plurality of regulation poles on the clamp plate, adjust pole upper end activity and pass the lateral wall and the regulating plate bottom fixed connection of regulating box bottom.

3. The self-locking ball valve of claim 2, wherein: the section of the adjusting plate is arc-shaped.

4. The self-locking ball valve of claim 1, wherein: the handle rod is arranged between the adjusting mechanism and the adjusting block, the bottom of the handle rod is provided with a flow guide pipe, the adjusting line is arranged in the flow guide pipe, one end of the flow guide pipe is communicated with the connecting hole, and the other end of the flow guide pipe is communicated with the adjusting box.

5. The self-locking ball valve of claim 1, wherein: the bottom of the self-locking block is hemispherical.