CN211474936U

CN211474936U - Butterfly ball valve

Info

Publication number: CN211474936U
Application number: CN201922125049.0U
Authority: CN
Inventors: 洪钦赐; 洪守用
Original assignee: Quancheng Valve Co ltd
Current assignee: Quancheng Valve Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-11
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a butterfly ball valve belongs to valve technical field, including the main valve body, the auxiliary valve body, spherical case, valve rod and handle, the valve rod upper end is equipped with the mounting groove with handle lateral sliding connection, be fixed with fixed lid on the main valve body, set up on the handle and be conical locking groove, locking inslot is equipped with the vertical locking lever that runs through fixed lid, the locking lever comprises square body pole and the cone integrated into one piece of connecting in its lower extreme, set up the square opening with locking lever upper portion looks adaptation on the fixed lid, the outside edge of locking groove is fixed with and is curved limiting plate, fixed cover is adorned on the locking lever and is personally submits the locking cover of circular curved surface in the outside, correspond ring gear and the outer latch that is equipped with intermeshing respectively on locking cover and the limiting plate. The utility model discloses simple structure, convenient operation can realize rotating spherical case locking in the optional position to can adjust the flow of liquid in the valve body, make butterfly ball valve's using value can promote.

Description

Butterfly ball valve

Technical Field

The utility model relates to the technical field of valves, specificly relate to a butterfly ball valve.

Background

The basic structure of the ball valve comprises a main valve body, an auxiliary valve body, a spherical valve core, a valve rod and a driving actuating mechanism, wherein the spherical valve core with a circular through hole is used as an opening and closing part, and rotates along with the valve rod to realize the opening and closing action of the valve. The ball valve is mainly divided into a pneumatic ball valve, an electric ball valve, a manual ball valve and the like, while the butterfly ball valve is one of the manual ball valves, and generally, a transversely arranged handle is connected to the upper end of a valve rod, and the valve rod is driven to rotate through the rotation of an operating handle. The existing butterfly ball valve can only realize the opening and closing of the valve, and the spherical valve core is difficult to lock at any position in the rotating process, so that the flow of liquid in the valve body cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a butterfly ball valve, it can realize rotating the in-process locking at the optional position with spherical case to can adjust the flow of liquid in the valve body, make butterfly ball valve's using value can promote.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a butterfly ball valve comprises a main valve body, an auxiliary valve body, a spherical valve core, a valve rod and a handle, wherein the main valve body and the auxiliary valve body are fixed together through bolts;

the upper end of the main valve body is fixedly provided with a fixed cover body covering the outer side of the upper end of the valve rod, the upper end face of the valve rod is provided with a mounting groove which passes through the center from the inside of one side of the valve rod and penetrates to the outer surface of the opposite side, one end of the handle connected with the valve rod is installed in the mounting groove in a pull-and-insert mode, the side wall of the mounting groove is attached to the handle, the upper end face of the handle corresponding to the center of the valve rod is provided with a conical locking groove, the caliber of the locking groove is gradually reduced from top to bottom, an arc-shaped limiting plate is fixed on the edge of one side of the upper port of the locking groove facing the opening side of the mounting groove; the locking groove is internally provided with a vertically arranged locking rod, the locking rod is formed by integrally molding a square rod and a cone connected to the lower end of the square rod, the cone at the lower end of the locking rod is matched with the locking groove, a square through hole for the upper part of the locking rod to pass through is formed in a fixed cover body right above the locking groove, the lower end of the square rod part of the locking rod is fixedly sleeved with a stop sleeve of which the outer side surface is a circular curved surface, inner gear rings meshed with outer clamping teeth are distributed on the outer surface of the stop sleeve along the peripheral side of the stop sleeve, and the distance between the inner top surface of the fixed cover body and the upper end surface of; the other end of the handle penetrates through the outer side of the fixed cover body and extends to the outer side of the fixed cover body and is connected with a fixed ball body, an arc penetrating opening for the handle to penetrate through and rotate in the horizontal plane is formed in one side, corresponding to the opening side of the mounting groove, of the fixed cover body, and a central angle corresponding to the arc penetrating opening is not smaller than 90 degrees.

Furthermore, a limit block in shape of long strokes is fixed on the upper end face of the valve rod, and a limit groove for the protrusion of the limit block to insert and move relatively is opened on the upper end face of the part of the handle located in the mounting groove. The width of the limiting groove limits the distance of relative movement of the limiting block, namely the movement distance of the handle in the pulling and inserting action can be limited, so that the handle can be prevented from being completely pulled out of the mounting groove and being separated from the valve rod.

Furthermore, the upper end of the locking rod is fixed with a limiting head positioned above the fixed cover body, and the width of the limiting head is larger than that of the square through opening. The limiting head can support the locking rod on the fixed cover body, and the locking rod is prevented from completely falling into the inner side of the fixed cover body, so that the locking rod is convenient to mount and dismount.

Furthermore, a hand-held ring sleeve is fixedly sleeved on the part of the handle, which is positioned on the outer side of the fixed cover body. The hand-held ring sleeve can provide convenience for manually operating the handle and improve the use comfort.

3. Advantageous effects

The utility model discloses be equipped with the mounting groove with handle lateral sliding connection in the valve rod upper end, be fixed with fixed lid on the main valve body, set up on the handle and be the toper locking groove, locking inslot is equipped with the locking lever that vertically runs through fixed lid, the locking lever comprises square body pole and the cone integrated into one piece who connects in its lower extreme, and the circular cone part and the locking groove looks adaptation of locking lever lower extreme, can promote the locking lever to move upwards in the process that the handle moved to the outside, remove the locking effect, in order to allow the handle to drive the valve rod and rotate, and when the handle rotates arbitrary angle back to the inboard removal, the locking lever gets back to in the locking groove again under the action of gravity, and do; the fixed cover body is provided with a square through hole matched with the upper part of the locking rod, so that the locking rod can be prevented from rotating, and the locking rod is limited to move only up and down; the outer edge of the outside of locking groove is fixed with and is curved limiting plate, fixed cover is adorned on the locking lever and is personally submitted the locking cover of circular curved surface in the outside, correspond respectively on locking cover and the limiting plate and be equipped with ring gear and the outer latch that can intermeshing, when ring gear and outer latch mesh, because the locking lever can not rotate, just can restrict the rotation of handle, effectively realize the locking to handle, valve rod and spherical case, and when the arbitrary angle of handle rotation moved to the inboard, outer latch on the limiting plate can both mesh with the ring gear again, the locking pole can lock the handle at arbitrary angle promptly. Then the utility model discloses simple structure, convenient operation can realize rotating the in-process locking at the optional position with spherical case to can adjust the flow of liquid in the valve body, make the using value of butterfly ball valve promote.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;

FIG. 3 is a schematic view of the valve stem 4, handle 5 and locking mechanism with the locking mechanism in an unlocked state;

fig. 4 is a plan view of the valve stem 4, the handle 5 and the lock mechanism when the lock mechanism is in a locked state.

Reference numerals: 1. a main valve body; 2. a sub-valve body; 3. a spherical valve core; 4. a valve stem; 5. a handle; 6. fixing the cover body; 7. mounting grooves; 8. a locking groove; 9. a limiting plate; 10. an outer latch; 11. a locking lever; 12. a square through opening; 13. a stop sleeve; 14. an inner gear ring; 15. fixing the sphere; 16. an arc-shaped through hole; 17. a limiting block; 18. a limiting groove; 19. a limiting head; 20. hand-held ring sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

A butterfly ball valve as shown in fig. 1, which comprises a main valve body 1, an auxiliary valve body 2, a spherical valve core 3, a valve rod 4 and a handle 5, wherein the main valve body 1 and the auxiliary valve body 2 are fixed together by bolts, the spherical valve core 3 is positioned inside one side of the main valve body 1 close to the auxiliary valve body 2, the valve rod 4 is connected to the top of the spherical valve core 3 and longitudinally extends to the upper side of the main valve body 1, and the handle 5 is connected to the upper end of the valve rod 4;

the upper end of the main valve body 1 is fixed with a fixed cover body 6 covering the outer side of the upper end of the valve rod 4, with reference to fig. 1 and 4, the upper end surface of the valve rod 4 is provided with a mounting groove 7 passing through the center from the inside of one side of the valve rod and penetrating to the outer surface of the opposite side, one end of the handle 5 connected with the valve rod 4 is installed in the mounting groove 7 in a pull-and-insert manner, the side wall of the mounting groove 7 is attached to the handle 5, the upper end surface of the handle 5 is provided with a tapered locking groove 8 corresponding to the center of the valve rod 4, the caliber of the locking groove 8 is gradually reduced from top to bottom, as shown in fig. 2, an arc-shaped limiting plate 9 is fixed on one side edge of the upper port of the locking groove 8 facing the opening side of the mounting groove 7, the circle center line corresponding to; the locking device is characterized in that a vertically arranged locking rod 11 is arranged in the locking groove 8, the locking rod 11 is formed by integrally forming a square rod and a cone connected to the lower end of the square rod, the cone at the lower end of the locking rod is matched with the locking groove 8, a square through hole 12 which is just used for the upper part of the locking rod 11 to pass through is formed in the fixed cover body 6 right above the locking groove 8, as shown in fig. 2, a locking sleeve 13 with a circular curved surface on the outer side is fixedly sleeved at the lower end of the square rod part of the locking rod 11, an inner gear ring 14 meshed with an outer gear ring 10 is distributed on the outer surface of the locking sleeve 13 along the peripheral side of the locking sleeve, and the distance between the inner top surface of the fixed; the other end of the handle 5 penetrates through the outer side of the fixed cover body 6 and is connected with a fixed ball body 15, one side, corresponding to the opening side of the mounting groove 7, of the fixed cover body 6 is provided with an arc penetrating opening 16 through which the handle 5 penetrates and can rotate in the horizontal plane, and the central angle corresponding to the arc penetrating opening 16 is not smaller than 90 degrees.

In this embodiment, as shown in fig. 1, 3 and 4, a stopper 17 is fixed on the upper end surface of the valve rod 4, and a stopper groove 18 into which the protrusion of the stopper 17 is inserted and which can move relatively is opened on the upper end surface of the portion of the handle 5 located in the mounting groove 7. The width of the limiting groove 18 limits the relative movement distance of the limiting block 17, namely the movement distance of the pulling and inserting action of the handle 5, so that the handle 5 can be prevented from being completely pulled out of the mounting groove 7 and separated from the valve rod 4.

In the present embodiment, as shown in fig. 1, 3 and 4, a stopper head 19 located above the fixed cover 6 is fixed to an upper end of the locking lever 11, and a width of the stopper head 19 is larger than a width of the square through opening 12. The stopper 19 allows the locking lever 11 to be supported on the fixed cover 6, preventing the locking lever 11 from completely falling inside the fixed cover 6, thereby facilitating the mounting and dismounting of the locking lever 11.

In this embodiment, as shown in fig. 1, 3 and 4, a hand ring 20 is fixedly sleeved on a portion of the handle 5 located outside the fixed cover 6. Hand-held collar 20 may provide ease of manual manipulation of handle 5 and promote comfort of use.

The specific application process of the butterfly ball valve is as follows:

when the spherical valve core 3 is rotated, the handle 5 is firstly pulled out for a certain distance, in the process, one side of the locking groove 8 corresponding to the inner side end of the mounting groove 7 moves transversely along with the locking groove to push the locking rod 11 to move upwards until the locking rod 11 moves out of the locking groove 8 completely, as shown in figure 3, the handle 5 is then rotated along the arc-shaped through opening 16, the handle 5 pushes the valve rod 4 to rotate through the side wall of the mounting groove 7, the spherical valve core 3 is driven, after the handle 5 can rotate for any angle in the range of the central angle corresponding to the arc-shaped through opening 16, the handle 5 is pushed inwards, the locking rod 11 can be reinserted into the locking groove 8 under the action of gravity, the outer latch 10 on the limiting plate 9 is meshed with the inner gear ring 14 on the locking sleeve 13, because the upper part of the locking rod 11 is just clamped in the square through opening 12 on the fixing cover body 6, the locking rod, make handle 5 also can not rotate, realize the locking to handle 5 promptly to effectively realize the locking to valve rod 4 and ball valve core 3, ball valve core 3 can lock in the optional position at the rotation in-process promptly, thereby can adjust the flow of liquid in the valve body.

According to the above, the utility model discloses simple structure, convenient operation can realize rotating the locking of spherical case in the optional position to can adjust the flow of liquid in the valve body, make butterfly ball valve's using value promote.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. A butterfly ball valve comprises a main valve body (1), an auxiliary valve body (2), a spherical valve core (3), a valve rod (4) and a handle (5), wherein the main valve body (1) and the auxiliary valve body (2) are fixed together through bolts, the spherical valve core (3) is positioned inside one side, close to the auxiliary valve body (2), of the main valve body (1), the valve rod (4) is connected to the top of the spherical valve core (3) and longitudinally extends to the upper side of the main valve body (1), and the handle (5) is connected to the upper end of the valve rod (4); it is characterized in that the preparation method is characterized in that,

a fixed cover body (6) which covers the outer side of the upper end of the valve rod (4) is fixed at the upper end of the main valve body (1), the upper end surface of the valve rod (4) is provided with an installation groove (7) which passes through the center from the inner part of one side and penetrates to the outer surface of the opposite side, one end of the handle (5) connected with the valve rod (4) is installed in the installation groove (7) in a drawing and inserting way, the side walls of the mounting grooves (7) are attached to the handle (5), a tapered locking groove (8) is arranged at the center of the upper end surface of the handle (5) corresponding to the valve rod (4), the caliber of the locking groove (8) is gradually reduced from top to bottom, an arc-shaped limiting plate (9) is fixed on one side edge of the upper port of the locking groove (8) facing to the opening side of the mounting groove (7), the circle center corresponding to the limiting plate (9) is located on the central axis of the locking groove (8), and the inner side surface of the limiting plate (9) is provided with outer clamping teeth (10); the locking device is characterized in that a vertically arranged locking rod (11) is arranged in the locking groove (8), the locking rod (11) is formed by integrally forming a square rod and a cone connected to the lower end of the square rod, the cone at the lower end of the locking rod is matched with the locking groove (8), a square through hole (12) which is just used for allowing the upper part of the locking rod (11) to pass through is formed in the fixed cover body (6) right above the locking groove (8), a locking sleeve (13) with a circular curved surface on the outer side is fixedly sleeved at the lower end of the square rod part of the locking rod (11), inner gear rings (14) meshed with outer snap teeth (10) are distributed on the outer surface of the locking sleeve (13) along the peripheral side of the locking sleeve, and the distance between the inner top surface of the fixed cover body (6) and the upper end; the other end of handle (5) runs through the outside that extends to fixed lid (6) and is connected with a fixed spheroid (15), fixed lid (6) correspond one side of mounting groove (7) opening side and offer supply handle (5) to pass and can be in the arc wearing mouth (16) of horizontal rotation, the central angle that arc wearing mouth (16) correspond is not less than 90.

2. A butterfly ball valve according to claim 1, characterized in that a stopper (17) shaped like a character "") is fixed on the upper end surface of the valve rod (4), and a stopper groove (18) into which the projection of the stopper (17) is inserted and relatively movable is opened on the upper end surface of the portion of the handle (5) located in the mounting groove (7).

3. A butterfly ball valve according to claim 1, characterized in that the upper end of the locking lever (11) is fixed with a stopper head (19) above the fixed cover (6), the stopper head (19) having a width greater than the width of the square through opening (12).

4. A butterfly ball valve according to claim 1, characterized in that a hand-held collar (20) is fixedly sleeved on the part of the handle (5) located outside the fixed cover body (6).