Ball valve with stable locking function

Abstract

The utility model provides a ball valve with a stable locking function, which comprises a valve body, a rotating rod rotatably arranged on the valve body, a rotating handle arranged on the rotating rod, and a fixing nut arranged between the rotating rod and the rotating handle, the two fixing blocks are fixedly arranged on the valve body respectively; the two fixing columns are arranged on the upper end faces of the two fixing blocks respectively; the two arc-shaped openings are symmetrically formed in the rotating handle and are used for being in clearance fit with the fixing columns; the two sliding clamping grooves are formed in the rotating handle and are communicated with the two arc-shaped openings respectively; the two sliding clamping grooves are formed in the rotating handle, the sliding clamping blocks are arranged on the rotating handle in a sliding mode and located in the two sliding clamping grooves respectively, the compression springs are arranged between one ends of the sliding clamping blocks and the rotating handle and located in the sliding clamping grooves, the inclined faces are arranged on the other end faces of the sliding clamping blocks, and the relieving device is arranged between the sliding clamping blocks and the rotating handle.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a ball valve with stable locking function. BACKGROUND

[0002] Ball valve, opening and closing (ball) are driven by the valve stem, and the valve door is rotated around the ball valve axis. It can also be used for fluid regulation and control, wherein the V-shaped ball core and the hard alloy metal valve seat have strong shearing force, and it is especially suitable for media containing fibers, micro solid particles and the like.

[0003] But the existing ball valve mostly does not set the locking structure, so loose condition of the valve appears easily, further leads to the air leakage condition of the valve.

[0004] In order to solve the above technical problems, the patent number CN202123251688.5 discloses a ball valve with stable locking function, which belongs to the technical field of ball valves. The existing ball valve mostly does not set the locking structure, so loose condition of the valve appears easily, further leads to the air leakage condition of the valve, including ball valve body, the outer side of connecting shaft is fixedly provided with fixed rod, two fixed plates are fixedly arranged on the side of fixed block away from ball valve body, the side of two fixed plates is provided with limiting groove, the end of two fixed plates away from fixed block is movably penetrated by limiting rod, the end of two limiting rods is movably inserted into the inside of limiting groove, the end of two limiting rods away from limiting groove is fixedly provided with limiting disc, the spring is pulled by limiting disc, the spring generates elastic force, then the limiting disc is loosened, the spring drives the limiting disc to move through the elastic force, the limiting disc drives the limiting rod to move, the limiting rod limits the fixed rod, so as to achieve the purpose of limiting and fixing.

[0005] Although the above patent can limit the fixed rod by the limiting rod, so as to avoid the leakage condition of loose valve, but when the handle needs to be limited and fixed, the limiting disc needs to be continuously pulled to drive the limiting rod to rise, so that the fixed rod can enter the limiting groove to complete the subsequent fixing. The limiting and fixing process of the handle is relatively cumbersome. Utility model content

[0006] The utility model aims at the defects and deficiencies of prior art, and provides a ball valve with stable locking function.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: A ball valve with stable locking function, including the valve body, rotatable setting on the valve body's rotating rod, setting on the rotating rod's rotating handle, setting between the rotating rod with the fixed nut of rotating handle, still including respectively fixed setting on the valve body's two fixed blocks, respectively setting on the upper end face of two fixed blocks's two fixed columns, the two arc-shaped openings that symmetrically open on the rotating handle are used with the clearance cooperation of fixed column, the two sliding clamping grooves that open on the rotating handle and are linked with two arc-shaped openings respectively, the sliding clamping block that can be slidably arranged on the rotating handle and are respectively located in two sliding clamping grooves, the compression spring that sets between the one end of sliding clamping block with the rotating handle and is located in sliding clamping groove, the inclined plane that sets on the other end surface of sliding clamping block, the release device that sets between the sliding clamping block with the rotating handle is used for pushing sliding clamping block and moving in sliding clamping groove to the end of compression spring.

[0008] Further improvement is: the release device includes the two sliding waist grooves that open on the rotating handle and are linked with two sliding clamping grooves respectively, one end fixed respectively setting on the sliding clamping block and the other end with the clearance cooperation of sliding waist groove, the length of sliding waist groove is less than the length of sliding clamping groove, and the width of sliding waist groove is less than the width of sliding clamping groove.

[0009] Further improvement is: the end surface of the rotating handle and away from the arc-shaped opening is provided with an auxiliary handle.

[0010] Further improvement is: the rotating handle is metal chromium or metal titanium.

[0011] After adopting the above technical scheme, the utility model has the beneficial effects that: when the rotating handle needs to be fixed, the rotating handle is rotated to the full open or full close position, the arc-shaped opening is close to the fixed column during the process, when the fixed column contacts the inclined plane of the sliding clamping block, and the rotating handle continues to rotate, the sliding clamping block moves to the end of the compression spring in the sliding clamping groove through the inclined plane, when the rotating handle is rotated to the full open or full close position, the fixed column is abutted on the innermost side of the arc-shaped opening, at this time, the sliding clamping block loses the driving force, the compression spring releases the elastic potential energy and drives the sliding clamping block to reset, so that the sliding clamping block limits the fixed column in the arc-shaped opening, the fixing process only needs to rotate the rotating handle, the sliding clamping block is automatically controlled through the contact of the inclined plane and the fixed column, and the fixing process of the rotating handle is relatively simple. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0013] Figure 1 is a top view of the present application;

[0014] Figure 2 is another state diagram corresponding to Figure 1 ;

[0015] Figure 3 is a top view of the present application;

[0016] Figure 4 is an enlarged view of A corresponding to Figure 1 ;

[0017] Figure 5 is an enlarged view of B corresponding to Figure 3 ;

[0018] Figure 6 is a front view of the valve body and the handle of the present application;

[0019] Figure 7 is a C-C line section view corresponding to Figure 1 .

[0020] Explanation of reference signs: valve body 1, rotating rod 2, handle 3, fixed nut 4, fixed block 5, fixed column 6, arc-shaped opening 7, sliding clamping groove 8, sliding clamping block 9, compression spring 10, inclined surface 11, sliding waist groove 12, release rod 13, auxiliary handle 14. DETAILED DESCRIPTION

[0021] The present application will be further described in combination with the drawings and specific embodiments.

[0022] Referring to Figures 1 to 7The technical scheme adopted in the specific embodiment is shown as follows: a ball valve with stable locking function, comprising a valve body 1, a rotating rod 2 rotatably arranged on the valve body 1, a rotating handle 3 arranged on the rotating rod 2, a fixing nut 4 arranged between the rotating rod 2 and the rotating handle 3, two fixing blocks 5 fixedly arranged on the valve body 1 respectively, two fixing columns 6 arranged on the upper end faces of the two fixing blocks 5 respectively, two arc-shaped openings 7 symmetrically arranged on the rotating handle 3 and used for gap cooperation with the fixing columns 6, two sliding clamping grooves 8 arranged on the rotating handle 3 and communicated with the two arc-shaped openings 7 respectively, sliding clamping blocks 9 slidably arranged on the rotating handle 3 and located in the two sliding clamping grooves 8 respectively, compression springs 10 arranged between one end of the sliding clamping blocks 9 and the rotating handle 3 and located in the sliding clamping grooves 8, inclined faces 11 arranged on the other end faces of the sliding clamping blocks 9, and release devices arranged between the sliding clamping blocks 9 and the rotating handle 3 and used for pushing the sliding clamping blocks 9 to move in the sliding clamping grooves 8 to the ends of the compression springs 10.

[0023] The rotating handle 3 and the rotating rod 2 can also be fixedly connected through welding, the valve body 1, the rotating rod 2, the rotating handle 3 and the fixing nut 4 are structures of the ball valve in the prior art, how to connect and cooperate between them is the prior art, which will not be described herein; the installation angle between the two fixing blocks 5 is ninety degrees; the specific positions of the two fixing blocks 5 and the two fixing columns 6 are that when the rotating handle 3 drives the rotating rod 2 to rotate to the left to the horizontal position, the left fixing column 6 abuts against the innermost side of the arc-shaped opening 7, and when the rotating handle 3 drives the rotating rod 2 to rotate to the right to the vertical position, the right fixing column 6 abuts against the innermost side of the arc-shaped opening 7; the center position of the fixing column 6 corresponds to the outer diameter position of the rotating rod 2, and the center position of the arc-shaped opening 7 is the same as the circular position of the rotating rod 2; the specific arrangement position of the inclined face 11 is that when the fixing column 6 abuts against the innermost side of the arc-shaped opening 7, the end face far away from the fixing column 6 is a horizontal face, and the end face close to the fixing column 6 is a horizontal face, which is used for clamping the fixing column 6 in the arc-shaped opening 7 when the fixing column 6 abuts against the innermost side of the arc-shaped opening 7; the spring force of the compression spring 10 is a force that can push the sliding clamping block 9 to slide to the arc-shaped opening 7 and can make the sliding clamping block 9 extrude the compression spring 10 to produce elastic deformation when the sliding clamping block 9 is pushed by the hand; the fixing blocks 5 are vertically fixedly arranged on the valve body 1.

[0024] The release device comprises two sliding waist grooves 12 arranged on the rotating handle 3 and communicated with the two sliding clamping grooves 8 respectively, and two release rods 13 fixedly arranged on the sliding clamping blocks 9 at one end and gap-cooperated with the sliding waist grooves 12 at the other end; the length of the sliding waist groove 12 is less than the length of the sliding clamping groove 8, and the width of the sliding waist groove 12 is less than the width of the sliding clamping groove 8.

[0025] An auxiliary handle 14 is arranged on the end face of the rotating handle 3 far away from the arc-shaped opening 7.

[0026] The rotating handle 3 is made of metal chromium or metal titanium. Metal chromium has very high hardness and wear resistance and is not easy to deform. Chromium is one of the hardest metal elements in nature, and its hardness is higher than that of many other metal materials. Titanium metal has very high hardness and deformation resistance. The tensile strength and yield strength of titanium are very good.

[0027] The working principle of the utility model is: when it is necessary to limit and fix the rotating handle 3, the rotating handle 3 is rotated to the fully open or fully closed position, in this process, the arc-shaped opening 7 is close to the direction of the fixing column 6, when the fixing column 6 is in contact with the inclined surface 11 of the sliding clamping block 9, and the rotating handle 3 is continuously rotated, the sliding clamping block 9 moves to the end of the compression spring 10 in the sliding clamping groove 8 through the inclined surface 11, when the rotating handle 3 is rotated to the fully open or fully closed position, the fixing column 6 abuts against the innermost side of the arc-shaped opening 7, at this time, the sliding clamping block 9 loses the pushing force, the compression spring 10 releases the elastic potential energy to push the sliding clamping block 9 to reset, so that the sliding clamping block 9 limits the fixing column 6 in the arc-shaped opening 7, the limiting and fixing process only needs to rotate the rotating handle 3, and the sliding clamping block 9 can be automatically controlled to slide through the contact of the inclined surface 11 and the fixing column 6, and the limiting and fixing process of the rotating handle 3 is relatively simple;

[0028] When it is necessary to release the clamping of the sliding clamping block 9 on the fixing column 6, the release rod 13 is pushed in the direction of the compression spring 10 by the hand, the sliding clamping block 9 is moved by the release rod 13 to enable the fixing column 6 to be separated from the arc-shaped opening 7, so that the rotation of the rotating handle 3 is released; the release rod 13 and the sliding waist groove 12 are arranged, the moving direction of the sliding clamping block 9 in the sliding clamping groove 8 can be limited, and the sliding clamping block 9 is prevented from being separated from the sliding clamping groove 8;

[0029] The auxiliary handle 14 is arranged at the end away from the arc-shaped opening 7, when it is necessary to rotate the rotating rod 2 by the rotating handle 3, the auxiliary handle 14 can be controlled by holding or pushing by the hand, so that the deformation phenomenon of the rotating handle 3 close to the arc-shaped opening 7 under stress can be prevented.

[0030] The utility model wants to protect the structure of the product, the model of each element is not the content protected by the utility model, and is also a known technology. As long as the elements on the market can realize the functions of the utility model, they can be selected and applied as a ball valve with stable locking function. Therefore, the model and other parameters of the element are not described in detail in the utility model. The contribution of the utility model lies in the scientific combination of each element.

[0031] The basic principle and main features of the utility model and its advantages are shown and described above, and the person skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the description are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed, and the scope of protection of the utility model is defined by the appended claims and their equivalents. The utility model is not described in detail, which is the known technology of the person skilled in the art.

Claims

1. A ball valve with stable locking function, comprising a valve body, a rotating rod rotatably arranged on the valve body, a rotating handle arranged on the rotating rod, and a fixing nut arranged between the rotating rod and the rotating handle, characterized in that: Two fixed blocks are respectively fixed on the valve body, two fixed columns are respectively arranged on the upper end faces of the two fixed blocks, two arc-shaped openings are symmetrically arranged on the rotating handle and used for gap cooperation with the fixed columns, two sliding clamping grooves are arranged on the rotating handle and respectively communicated with the two arc-shaped openings, sliding clamping blocks are slidably arranged on the rotating handle and respectively located in the two sliding clamping grooves, compression springs are arranged between one end of the sliding clamping blocks and the rotating handle and located in the sliding clamping grooves, inclined faces are arranged on the other end faces of the sliding clamping blocks, and release devices are arranged between the sliding clamping blocks and the rotating handle and used for pushing the sliding clamping blocks to move in the sliding clamping grooves to the ends of the compression springs.

2. The ball valve with stable locking function according to claim 1, characterized in that: The release devices comprise two sliding waist grooves arranged on the rotating handle and respectively communicated with the two sliding clamping grooves, and two release rods are respectively fixed on one end of the sliding clamping blocks and gap cooperated with the other ends of the sliding waist grooves, the length of the sliding waist groove is less than the length of the sliding clamping groove, and the width of the sliding waist groove is less than the width of the sliding clamping groove.

3. The ball valve with stable locking function according to claim 1, characterized in that: An auxiliary handle is arranged on the end face of the rotating handle and away from the arc-shaped opening.

4. The ball valve with stable locking function according to claim 1, characterized in that: The rotating handle is made of metal chromium or metal titanium.

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