CN212536886U

CN212536886U - Positioning and locking device of ball valve

Info

Publication number: CN212536886U
Application number: CN202020618655.6U
Authority: CN
Inventors: 高增法; 邹华仙
Original assignee: Hangzhou Gaosheng Valve Co Ltd
Current assignee: Hangzhou Gaosheng Valve Co Ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-02-12
Anticipated expiration: 2030-04-23

Abstract

The utility model provides a location locking device of ball valve. The positioning and locking device of the ball valve comprises a ball valve body; the rotating shaft is arranged on the ball valve body; the lantern ring is fixedly sleeved on the rotating shaft; the main fixture blocks are fixedly arranged on the outer ring of the lantern ring; the fixed plate is fixedly arranged on the ball valve body; the portal frame is arranged between the fixing plate and the lantern ring; the connecting plate is fixedly arranged on one side of the portal frame, which is far away from the fixed plate; the two support sliding rods are fixedly arranged on one side, close to the lantern ring, of the connecting plate; and the movable plates are slidably mounted on the two support sliding rods. The utility model provides a location locking device of ball valve has can be indirectly to the bull stick restrict, avoid the bull stick not hard up, and easy operation practical advantage.

Description

Positioning and locking device of ball valve

Technical Field

The utility model relates to a ball valve technical field especially relates to a location locking device of ball valve.

Background

The ball valve, its opening and closing member is driven by valve stem, and the valve can be rotated around the axis of ball valve, also can be used for regulation and control of fluid, in which between the V-shaped ball core of hard-sealing V-shaped ball valve and metal valve seat of bead-welded hard alloy there is strong shearing force, so that it is specially applicable to the medium containing fibre and small solid granules, etc.. Therefore, the composite material is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, electric power, steel and the like, and plays a significant role in national economy.

However, the traditional ball valve is found when in use, because whether the flow rate and the circulation of the ball valve are realized by the rotating rod arranged on the opening and closing piece ball body or not, the ball valve is manually controlled by the external rotating handle, and the rotating track of the ball valve is not effectively limited, the rotating rod is easy to loosen under the influence of external factors, so that the flow rate or the circulation of the valve body is changed, and great inconvenience is brought to later use.

Therefore, there is a need to provide a new ball valve positioning and locking device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can be indirectly to the bull stick restrict, avoid the bull stick not hard up, and easy operation practical ball valve's location locking device.

In order to solve the technical problem, the utility model provides a location locking device of ball valve includes: a ball valve body; the rotating shaft is arranged on the ball valve body; the lantern ring is fixedly sleeved on the rotating shaft; the main fixture blocks are fixedly arranged on the outer ring of the lantern ring; the fixed plate is fixedly arranged on the ball valve body; the portal frame is arranged between the fixing plate and the lantern ring; the connecting plate is fixedly arranged on one side of the portal frame, which is far away from the fixed plate; the two support sliding rods are fixedly arranged on one side, close to the lantern ring, of the connecting plate; the movable plates are slidably mounted on the two support sliding rods; the auxiliary clamping block is fixedly arranged on one side, close to the lantern ring, of the movable plate, and the auxiliary clamping block is matched with the main clamping block; the two reset springs are sleeved on the two support sliding rods respectively; the pull rod is slidably mounted on the connecting plate, and one end, close to the lantern ring, of the pull rod is fixedly connected with the movable plate; and the transmission screw rod is rotatably arranged on the fixing plate, and one end of the transmission screw rod, which is close to the connecting plate, penetrates through the portal frame and is in threaded connection with the portal frame.

Preferably, a bridging slide rod is fixedly mounted on one side of the fixing plate close to the lantern ring, penetrates through the connecting plate and is in sliding connection with the connecting plate.

Preferably, one end, far away from the connection plate, of the transmission screw rod is fixedly provided with a screwing lug, and one end, close to the connection plate, of the transmission screw rod is fixedly provided with a first limiting plate.

Preferably, one end of the pull rod, which is far away from the movable plate, is fixedly provided with a pull plate.

Preferably, one end of the return spring, which is close to the lantern ring, is fixedly connected with the movable plate, and one end of the return spring, which is far away from the lantern ring, is fixedly connected with the connecting plate.

Preferably, a second limiting plate is fixedly mounted at one end, close to the lantern ring, of the support slide rod, and a third limiting plate is fixedly mounted at one end, far away from the fixed plate, of the bridging slide rod.

Compared with the prior art, the utility model provides a location locking device of ball valve has following beneficial effect:

the utility model provides a location locking device of ball valve, during normal use, the operator makes the lantern ring rotate, adaptation relation through between main fixture block and the fixture block, just can extrude the fixture block, after main fixture block misplaces with the fixture block, the fixture block just can be under reset spring's drive, the bullet advances between two main fixture blocks that correspond, thereby can form reliable location relation, then indirect counter shaft advances the location lock and dies, effectively avoided the pivot to take place to become flexible under the condition of external factor, and can be according to actual conditions, only need pass through drive screw, alright lock or do not lock to the lantern ring, high operation convenience, high adaptability.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a positioning and locking device of a ball valve according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic diagram of the formal structure of the present invention.

Reference numbers in the figures: 1. the ball valve comprises a ball valve body, 2, a rotating shaft, 3, a lantern ring, 4, a main clamping block, 5, a fixing plate, 6, a portal frame, 7, a connecting plate, 8, a supporting sliding rod, 9, a movable plate, 10, an auxiliary clamping block, 11, a return spring, 12, a pull rod, 13, a transmission screw rod, 14 and a bridging sliding rod.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a positioning and locking device of a ball valve according to the present invention; FIG. 2 is an enlarged schematic view of portion A of FIG. 1; fig. 3 is a schematic diagram of the formal structure of the present invention. The positioning and locking device of the ball valve comprises: a ball valve body 1; the rotating shaft 2 is arranged on the ball valve body 1; the lantern ring 3 is fixedly sleeved on the rotating shaft 2; the main fixture blocks 4 are all fixedly arranged on the outer ring of the lantern ring 3; the fixing plate 5 is fixedly arranged on the ball valve body 1; a gantry 6, wherein the gantry 6 is arranged between the fixing plate 5 and the lantern ring 3; the connecting plate 7 is fixedly arranged on one side of the portal frame 6 far away from the fixing plate 5; two support slide bars 8, wherein the two support slide bars 8 are both fixedly arranged on one side of the connecting joint plate 7 close to the lantern ring 3; a movable plate 9, wherein the movable plate 9 is slidably mounted on the two support slide bars 8; the auxiliary fixture block 10 is fixedly installed on one side, close to the collar 3, of the movable plate 9, and the auxiliary fixture block 10 is matched with the main fixture block 4; the two return springs 11 are sleeved on the two support sliding rods 8 respectively; the pull rod 12 is slidably mounted on the connecting plate 7, and one end of the pull rod 12 close to the lantern ring 3 is fixedly connected with the movable plate 9; and the transmission screw 13 is rotatably arranged on the fixing plate 5, and one end of the transmission screw 13, which is close to the connecting plate 7, penetrates through the portal frame 6 and is in threaded connection with the portal frame 6.

And a bridging slide bar 14 is fixedly mounted on one side of the fixed plate 5 close to the lantern ring 3, and the bridging slide bar 14 penetrates through the connecting plate 7 and is in sliding connection with the connecting plate 7.

The one end fixed mounting that drive screw 13 kept away from linkage plate 7 has the ear of twisting, drive screw 13 is close to the one end fixed mounting of linkage plate 7 has first limiting plate.

One end of the pull rod 12 far away from the movable plate 9 is fixedly provided with a pull plate.

One end of the return spring 11, which is close to the lantern ring 3, is fixedly connected with the movable plate 9, and one end of the return spring 11, which is far away from the lantern ring 3, is fixedly connected with the connecting plate 7.

A second limiting plate is fixedly mounted at one end, close to the lantern ring 3, of the supporting slide rod 8, and a third limiting plate is fixedly mounted at one end, far away from the fixing plate 5, of the bridging slide rod 14.

The utility model provides a location locking device of ball valve's theory of operation as follows:

in the device, a sleeve ring 3 is provided with a rotating handle;

when the lantern ring is normally used, an operator drives the lantern ring 3 to rotate by rotating the rotating handle, the main fixture block 4 can contact the auxiliary fixture block 10 while the lantern ring 3 rotates, so that the auxiliary fixture block 10 can be extruded and retracted, the return spring 11 at the moment can be compressed, after the main fixture block 4 is separated from the auxiliary fixture block 10, the auxiliary fixture block 10 can be driven by the return spring 11 to bounce between the two corresponding main fixture blocks 4 and contact with the two main fixture blocks 4, so that a reliable positioning relation can be formed, the operator can continuously rotate the lantern ring 3 to a required position according to the method, when the lantern ring 3 needs to be rotated to the original position, only the pull plate needs to be pulled, the movable plate 9 is pulled in the direction away from the lantern ring 3 through the pull rod 12, the auxiliary fixture block 10 can be far away from the main fixture block 4, and then the rotating handle on the lantern ring 3 is rotated;

when according to the in-service use condition, when need not lock the lantern ring 3, only need clockwise turning twist the ear, twist the ear and just can drive screw 13 and rotate, portal frame 6 just can be toward the direction removal that is close to fixed plate 5, until with draw between vice fixture block 10 and the main fixture block 4 to enough distance can, convenient operation.

the utility model provides a location locking device of ball valve, during normal use, the operator makes the lantern ring 3 rotate, adaptation relation through between main fixture block 4 and the fixture block 10, just can extrude fixture block 10, after main fixture block 4 misplaces with fixture block 10, fixture block 10 just can be under reset spring 11's drive, the bullet advances between two main fixture blocks 4 that correspond, thereby can form reliable location relation, then indirect counter shaft advances line location lock and dies, effectively avoided the pivot to take place not hard up under the condition of external factor, and can be according to actual conditions, only need to pass through drive screw 13, alright lock or not lock and die lantern ring 3, and convenient for operation, adaptability is stronger.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A positioning and locking device of a ball valve is characterized by comprising:

a ball valve body;

the rotating shaft is arranged on the ball valve body;

the lantern ring is fixedly sleeved on the rotating shaft;

the main fixture blocks are fixedly arranged on the outer ring of the lantern ring;

the fixed plate is fixedly arranged on the ball valve body;

the portal frame is arranged between the fixing plate and the lantern ring;

the connecting plate is fixedly arranged on one side of the portal frame, which is far away from the fixed plate;

the two support sliding rods are fixedly arranged on one side, close to the lantern ring, of the connecting plate;

the movable plates are slidably mounted on the two support sliding rods;

the auxiliary clamping block is fixedly arranged on one side, close to the lantern ring, of the movable plate, and the auxiliary clamping block is matched with the main clamping block;

the two reset springs are sleeved on the two support sliding rods respectively;

the pull rod is slidably mounted on the connecting plate, and one end, close to the lantern ring, of the pull rod is fixedly connected with the movable plate;

and the transmission screw rod is rotatably arranged on the fixing plate, and one end of the transmission screw rod, which is close to the connecting plate, penetrates through the portal frame and is in threaded connection with the portal frame.

2. A positional locking arrangement for a ball valve according to claim 1 wherein bridging rods are fixedly mounted to the fixing plate adjacent one side of the collar and extend through and are slidably connected to the connector plates.

3. The ball valve positioning and locking device according to claim 1, wherein a screwing lug is fixedly mounted at one end of the transmission screw rod far away from the connection plate, and a first limiting plate is fixedly mounted at one end of the transmission screw rod near the connection plate.

4. A positioning and locking device for a ball valve according to claim 1, wherein a pulling plate is fixedly installed at one end of the pulling rod away from the movable plate.

5. A ball valve positioning and locking device as claimed in claim 1, wherein the return spring is fixedly connected to the movable plate at an end thereof close to the collar, and is fixedly connected to the joint plate at an end thereof remote from the collar.

6. The ball valve positioning and locking device according to claim 2, wherein a second limiting plate is fixedly mounted at one end of the supporting slide rod close to the sleeve ring, and a third limiting plate is fixedly mounted at one end of the bridging slide rod far away from the fixed plate.