CN218935348U

CN218935348U - Pneumatic V-shaped ball valve

Info

Publication number: CN218935348U
Application number: CN202320008527.3U
Authority: CN
Inventors: 邱定海
Original assignee: Shanghai Lidea Solenoid Valve Co ltd
Current assignee: Shanghai Lidea Solenoid Valve Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-04-28
Anticipated expiration: 2033-01-03

Abstract

The utility model relates to the technical field of valves, in particular to a pneumatic V-shaped ball valve, wherein a transversely extending deflector rod is fixedly arranged on a valve rod, and a strip-shaped hole for one end of the deflector rod to penetrate is formed in a support; one end of the deflector rod is provided with a mounting groove, a positioning pin is movably mounted in the mounting groove, one end of the positioning pin is arc-shaped, the inner wall of the support is provided with a plurality of positioning grooves matched with one arc-shaped end of the positioning pin, and a spring is connected between the positioning pin and the inner wall of the mounting groove; this application is when stirring the driving lever and is driven the valve rod and rotate and adjust the ball valve to suitable aperture after, the valve rod drives the locating pin and rotates to align with corresponding constant head tank, and the elasticity of spring promotes the locating pin card and go into corresponding constant head tank in, then lock the locating pin through locking mechanical system to the restriction valve rod rotates, because on the inner wall of support around the axis even interval be equipped with a plurality of with locating pin convex one end assorted constant head tank, thereby be convenient for lock the valve rod when the valve is in different aperture.

Description

Pneumatic V-shaped ball valve

Technical Field

The utility model relates to the technical field of valves, in particular to a pneumatic V-shaped ball valve.

Background

At present, the pneumatic ball valve in the prior art mainly realizes the opening and closing functions through a pneumatic mechanism, and when the pneumatic mechanism is damaged and cannot work normally, the valve cannot be opened or closed when needed, so that certain loss is caused.

The utility model patent with the application number of CN202120673110.X discloses a pneumatic ball valve with an automatic detection locking device, which comprises an input pipeline, an output pipeline, a connecting valve body, a control mechanism and a supporting platform; one end of the input pipeline is communicated with one end of the connecting valve body; the middle part of the control mechanism is rotationally connected with a transmission shaft; the lower end of the transmission shaft is fixedly connected with a first rotating shaft; an operating rod is fixedly connected to the wall surface of the first rotating shaft; when the pneumatic mechanism on the pneumatic ball valve can not work, and when the ball valve needs to be opened and closed, the pneumatic mechanism can be initially limited by the spring block and further limited by the manual driving screw rod to the operating rod when the operating rod slides to one end of the limiting groove through the operating rod, and therefore the fixed locking function of the first rotating shaft is achieved.

However, the threaded rod of the pneumatic ball valve can fixedly lock the first rotating shaft only when the operating rod rotates to the end part of the limiting groove, namely, the fixed locking work of the first rotating shaft can be only performed when the valve is completely opened or completely closed, and the first rotating shaft cannot be fixedly locked when the valve is half opened, so that improvement is needed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a pneumatic V-shaped ball valve, which can lock a valve rod when the valve is at different opening degrees so as to solve the technical problem that the valve rod can be locked only when the valve is completely opened or completely closed in the existing pneumatic ball valve.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the pneumatic V-shaped ball valve comprises a valve body, wherein a valve cover is fixedly arranged at the top of the valve body, a valve rod is rotatably arranged on the valve cover, the lower end of the valve rod extends into the valve body and is fixedly provided with a V-shaped ball body, a valve seat matched with the V-shaped ball body is fixedly arranged in the valve body, a support is fixedly arranged at the top of the valve body, a pneumatic device is fixedly arranged at the top of the support, the upper end of the valve rod is connected with the pneumatic device, the support is cylindrical, the valve rod penetrates through the center of the support, a transversely extending deflector rod is fixedly arranged on the valve rod, and a strip-shaped hole for one end of the deflector rod to penetrate out is formed in the support; one end of the deflector rod is provided with an installation groove extending along the length direction of the deflector rod, a locating pin is movably installed in the installation groove, one end of the locating pin is arc-shaped, a plurality of locating grooves matched with one arc-shaped end of the locating pin are formed in the inner wall of the support, a spring for pushing the locating pin to be clamped into the locating groove is connected between the locating pin and the inner wall of the installation groove, and a locking mechanism for limiting the locating pin to move along the installation groove is arranged on the deflector rod.

As the preferable technical scheme, a round hole extending along the radial direction of the valve rod is formed in the valve rod, and the deflector rod is fixedly arranged in the round hole through a bolt.

As the preferable technical scheme, locking mechanical system including set up in the driving lever is kept away from the smooth chamber of the one end of mounting groove, smooth chamber is followed the length direction of driving lever extends, be equipped with in the driving lever along its length direction intercommunication the mounting groove with the through-hole in smooth chamber, movable mounting has the movable column in the through-hole, the one end fixed mounting of movable column is in on the locating pin, the other end of movable column extends to in the smooth chamber, sliding mounting has the slider in the smooth chamber, still be equipped with in the smooth chamber and be used for adjusting the position adjustment mechanism of slider.

As the preferred technical scheme, adjustment mechanism including set up in screw on the slider, the screw rotation has the edge the screw rod that the length direction of poking rod extends, the coaxial fixed mounting of one end of screw rod has the optical axis, is located the slider is kept away from two stopper that slide intracavity fixed mounting of one side of movable column set up relatively, two be equipped with between the stopper with optical axis assorted mounting hole, the optical axis is rotated and is installed in the mounting hole, be equipped with annular hoop on the optical axis, be equipped with in the mounting hole with annular hoop assorted spacing groove.

As a further improvement, one end of the optical axis, which is far away from the screw rod, is fixedly provided with a bolt head, and the bolt head is provided with a special-shaped groove for conveniently screwing the bolt head to rotate.

After the technical scheme is adopted, the utility model has the beneficial effects that:

(1) According to the valve rod locking device, after the poking rod is poked to drive the valve rod to rotate to adjust the ball valve to a proper opening, the valve rod drives the locating pin to rotate to be aligned with the corresponding locating groove, the elastic force of the spring pushes the locating pin to be clamped into the corresponding locating groove, and then the locating pin is locked through the locking mechanism, so that the valve rod is limited to rotate;

(2) The sliding block is convenient to drive the screw to rotate by rotating the optical axis, and the screw acts on the screw hole to drive the sliding block to move along the sliding cavity, so that the positioning pin is locked or unlocked, and the adjustment is more convenient;

(3) According to the screw bolt, the screw bolt head is fixedly arranged at one end of the optical axis far away from the screw rod, the special-shaped groove for conveniently screwing the screw bolt head is formed in the screw bolt head, and the locking of the locating pin can be released only by using a special spanner, so that unnecessary loss caused by non-professional misoperation of the ball valve is avoided, and the screw bolt is high in safety.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic cross-sectional view of A-A in FIG. 2;

FIG. 4 is a schematic diagram of a lever according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the optical axis of an embodiment of the present utility model;

fig. 6 is a schematic structural view of a stopper according to an embodiment of the present utility model.

In the figure: 1-a valve body; 2-a valve cover; 3-a valve stem; 4-V-shaped spheres; 5-valve seat; 6-supporting seats; 7-a pneumatic device; 8-a deflector rod; 9-round holes; 10-bar-shaped holes; 11-reserving a groove; 12-mounting grooves; 13-locating pins; 14-positioning grooves; 15-a spring; 16-sliding cavity; 17-through holes; 18-a movable column; 19-a slider; 20-screw holes; 21-a screw; 22-optical axis; 23-limiting blocks; 24-mounting holes; 25-an annular collar; 26-a limit groove; 27-bolt head.

Detailed Description

As shown in fig. 1 to 6, the pneumatic V-shaped ball valve comprises a valve body 1, wherein a valve cover 2 is fixedly arranged at the top of the valve body 1 through bolts, a valve rod 3 is rotatably arranged on the valve cover 2, the lower end of the valve rod 3 extends into the valve body 1 and is fixedly provided with a V-shaped ball body 4, a valve seat 5 matched with the V-shaped ball body 4 is fixedly arranged in the valve body 1, a support 6 is fixedly arranged at the top of the valve body 1 through bolts, a pneumatic device 7 is fixedly arranged at the top of the support 6 through bolts, and the upper end of the valve rod 3 is connected with the pneumatic device 7. Under normal state, the valve rod 3 is driven to rotate by the pneumatic device 7, the valve rod 3 drives the V-shaped ball body 4 to rotate, and the V-shaped ball body 4 is combined with or separated from the valve seat 5, so that the opening and closing of the ball valve are regulated.

The support 6 is cylindric, and the upper and lower both ends of support 6 are equipped with circular flange respectively, make things convenient for the support 6 to be connected between valve body 1 and support 6 and pneumatic means 7, and the top of valve body 1 is equipped with discoid installation department, and the flange of support 6 lower extreme passes through the top of bolt fixed mounting at the installation department. The valve rod 3 passes through the center of the support 6, a laterally extending deflector rod 8 is fixedly arranged on the valve rod 3, a circular hole 9 extending radially along the valve rod 3 is formed in the valve rod 3 for facilitating installation of the deflector rod 8, and the deflector rod 8 is fixedly arranged in the circular hole 9 through a bolt. The support 6 is provided with a bar-shaped hole 10 for one end of the deflector rod 8 to pass through, so that the deflector rod 8 can be conveniently rotated, one end of the deflector rod 8 is positioned in the support 6, and the other end of the deflector rod is passed through the bar-shaped hole 10 to the outer side of the support 6. In order to facilitate the assembly between the support 6 and the deflector rod 8, a reserve groove 11 which is communicated with the bar-shaped hole 10 upwards is arranged on one side of the bottom of the support 6. When the pneumatic mechanism is damaged and cannot work normally, the valve rod 3 is driven to rotate by manually poking the poking rod 8, so that the opening and closing of the ball valve are regulated.

As shown in fig. 3 and 4, one end of the deflector rod 8 in the support 6 is provided with a mounting groove 12 extending along the length direction of the deflector rod, a positioning pin 13 is movably mounted in the mounting groove 12, one end of the positioning pin 13 is arc-shaped, a plurality of positioning grooves 14 matched with one arc-shaped end of the positioning pin 13 are uniformly arranged on the inner wall of the support 6 at intervals around the axis, a spring 15 for pushing the positioning pin 13 to be clamped into the positioning groove 14 is connected between the positioning pin 13 and the inner wall of the mounting groove 12, and a locking mechanism for limiting the positioning pin 13 to move along the mounting groove 12 is arranged on the deflector rod 8.

When the positioning pin 13 is not locked, the positioning pin 13 can float inwards and outwards along the depth direction of the mounting groove 12 under the action of the elastic force of the spring 15, and the valve rod 3 can drive the positioning pin 13 to be clamped into different positioning grooves 14 when rotating; or when the positioning pin 13 is clamped into the positioning groove 14, the positioning pin 13 is locked by the locking mechanism, so that the positioning pin 13 cannot be separated from the positioning groove 14, and the valve rod 3 is locked by the positioning pin 13, and the valve rod 3 cannot rotate.

When the valve is specifically used, when the pneumatic device 7 is used for adjusting the opening and closing of the ball valve, the positioning pin 13 is not required to be locked, and when the pneumatic device 7 drives the valve rod 3 to rotate, the positioning pin 13 can be driven to be clamped into different positioning grooves 14; when the opening and closing of the ball valve is adjusted by manually poking the poking rod 8, after the poking rod 8 drives the valve rod 3 to rotate to adjust the ball valve to a proper opening, the valve rod 3 drives the positioning pin 13 to rotate to be aligned with the corresponding positioning groove 14, the elastic force of the spring 15 pushes the positioning pin 13 to be clamped into the corresponding positioning groove 14, and then the positioning pin 13 is locked through the locking mechanism, so that the rotation of the valve rod 3 is limited.

As shown in fig. 4 and 5, the locking mechanism comprises a sliding cavity 16 arranged at one end of the deflector rod 8 far away from the mounting groove 12, the sliding cavity 16 extends along the length direction of the deflector rod 8, one end of the sliding cavity 16 far away from the mounting groove 12 is provided with an opening, a through hole 17 which is communicated with the mounting groove 12 and the sliding cavity 16 along the length direction of the sliding cavity is formed in the deflector rod 8, a movable column 18 is movably arranged in the through hole 17, one end of the movable column 18 is welded on the positioning pin 13, the other end of the movable column 18 extends into the sliding cavity 16, a sliding block 19 is slidably arranged in the sliding cavity 16, the section of the sliding cavity 16 is in a regular hexagon shape, the section shape of the sliding block 19 is matched with that of the sliding cavity 16, the sliding block 19 can be prevented from rotating in the sliding cavity 16, and a position adjusting mechanism for adjusting the sliding block 19 is further arranged in the sliding cavity 16. When the positioning pin 13 is clamped into the positioning groove 14, the sliding block 19 is driven by the adjusting mechanism to move along the sliding cavity 16 towards one end close to the mounting groove 12, and the sliding block 19 is propped against one end of the movable column 18 far away from the positioning pin 13, so that the positioning pin 13 is limited to move along the mounting groove 12, and the positioning pin 13 is locked; on the contrary, the sliding block 19 is driven by the adjusting mechanism to move along the sliding cavity 16 towards one end far away from the mounting groove 12, so that the sliding block 19 is far away from the movable column 18, and the locking of the positioning pin 13 is released.

The adjusting mechanism comprises a screw hole 20 arranged on a sliding block 19, a screw rod 21 extending along the length direction of a deflector rod 8 is rotated in the screw hole 20, one end of the screw rod 21 is integrally formed with an optical axis 22 which is coaxially arranged, two limiting blocks 23 which are oppositely arranged are fixedly arranged in a sliding cavity 16 which is positioned on one side of the sliding block 19 far away from a movable column 18 through bolts, a mounting hole 24 which is matched with the optical axis 22 is arranged between the two limiting blocks 23, the optical axis 22 is rotatably arranged in the mounting hole 24, an annular hoop 25 is integrally formed on the optical axis 22, a limiting groove 26 which is matched with the annular hoop 25 is arranged in the mounting hole 24, and the axial movement of the optical axis 22 can be limited by the cooperation of the annular hoop 25 and the limiting groove 26. In use, the screw 21 is driven to rotate by rotating the optical axis 22, and the screw 21 acts on the screw hole 20 to drive the slider 19 to move along the sliding cavity 16.

One end of the optical axis 22, which is far away from the screw 21, is integrally formed with a bolt head 27, and the bolt head 27 is provided with a special-shaped groove for facilitating the rotation of the bolt head 27. Specifically, a special wrench can be inserted into the special-shaped groove to screw the bolt head 27 to rotate, and the bolt head 27 drives the optical axis 22 and the screw 21 to rotate, so that the positioning pin 13 is locked or unlocked. The shape of the special-shaped groove on the bolt head 27 is different from that of a common spanner, and the locking of the positioning pin 13 can be released only by using a special spanner, so that unnecessary loss caused by misoperation of the ball valve by non-professional staff is prevented, and the safety is high.

The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pneumatic V type ball valve, includes the valve body, the top fixed mounting of valve body has the valve gap, rotate on the valve gap and install the valve rod, the lower extreme of valve rod extends to in the valve body and fixed mounting have V type spheroid, fixed mounting in the valve body with V type spheroid assorted disk seat, the top of valve body still fixed mounting has the support, the top fixed mounting of support has pneumatic means, the upper end of valve rod with pneumatic means links to each other, its characterized in that: the support is cylindrical, the valve rod passes through the center of the support, a laterally extending deflector rod is fixedly arranged on the valve rod, and a strip-shaped hole for one end of the deflector rod to pass through is formed in the support; one end of the deflector rod is provided with an installation groove extending along the length direction of the deflector rod, a locating pin is movably installed in the installation groove, one end of the locating pin is arc-shaped, a plurality of locating grooves matched with one arc-shaped end of the locating pin are formed in the inner wall of the support, a spring for pushing the locating pin to be clamped into the locating groove is connected between the locating pin and the inner wall of the installation groove, and a locking mechanism for limiting the locating pin to move along the installation groove is arranged on the deflector rod.

2. The pneumatic V-ball valve of claim 1 wherein: the valve rod is provided with a round hole extending along the radial direction of the valve rod, and the deflector rod is fixedly arranged in the round hole through a bolt.

3. The pneumatic V-ball valve of claim 1 wherein: the locking mechanism comprises a sliding cavity arranged at one end of the deflector rod, which is far away from the mounting groove, the sliding cavity extends along the length direction of the deflector rod, a through hole which is communicated with the mounting groove and the sliding cavity along the length direction of the deflector rod is formed in the deflector rod, a movable column is movably mounted in the through hole, one end of the movable column is fixedly mounted on the positioning pin, the other end of the movable column extends into the sliding cavity, a sliding block is mounted in the sliding cavity in a sliding mode, and a position adjusting mechanism for adjusting the sliding block is further arranged in the sliding cavity.

4. The pneumatic V-ball valve of claim 3 wherein: the adjusting mechanism comprises a screw hole arranged on the sliding block, a screw rod extending along the length direction of the shifting rod is rotated in the screw hole, an optical axis is coaxially and fixedly arranged at one end of the screw rod, two limiting blocks which are oppositely arranged are fixedly arranged in the sliding cavity and are positioned at one side of the sliding block away from the movable column, mounting holes matched with the optical axis are arranged between the two limiting blocks, the optical axis is rotatably arranged in the mounting holes, an annular hoop is arranged on the optical axis, and a limiting groove matched with the annular hoop is arranged in the mounting hole.

5. The pneumatic V-ball valve of claim 4 wherein: one end of the optical axis, which is far away from the screw rod, is fixedly provided with a bolt head, and the bolt head is provided with a special-shaped groove for conveniently screwing the bolt head to rotate.