CN219282538U

CN219282538U - Stop valve opening and closing control driving device

Info

Publication number: CN219282538U
Application number: CN202222584985.XU
Authority: CN
Inventors: 陈夕勇
Original assignee: Qingdao Dixon Valve Fittings Co ltd
Current assignee: Qingdao Dixon Valve Fittings Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-06-30
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a stop valve opening and closing control driving device which comprises a valve body, wherein a pipeline is arranged at the upper end of the valve body, a connecting pipe is arranged above the pipeline, the connecting pipe is connected with the pipeline through a flange plate, a fixed ring is arranged at the upper end of the connecting pipe, a connecting ring is arranged at the upper end of the fixed ring, a driving device body is arranged at the upper end of the connecting ring, a connecting mechanism for connecting the connecting ring and the fixed ring is arranged between the connecting ring and the fixed ring, and a cavity is formed in the fixed ring. According to the utility model, the two movable rings are close to each other towards the middle on the outer walls of the double-head threaded rods, so that the two movable rings drive the two limiting plates to close to each other towards the middle, and the limiting plates penetrate through the through grooves and extend into the limiting grooves on the outer walls of the two sides of the clamping ring, so that the clamping ring and the clamping groove are limited, the fixed ring and the connecting ring are quickly connected, and convenience is brought to the disassembly and the installation of the driving device body by people.

Description

Stop valve opening and closing control driving device

Technical Field

The utility model relates to the technical field of stop valves, in particular to a stop valve opening and closing control driving device.

Background

The stop valve, also called a stop valve, is the most widely used valve, and is popular because the friction force between sealing surfaces in the opening and closing process is small, the stop valve is durable, the opening height is small, the manufacture is easy, the maintenance is convenient, and the stop valve is not only suitable for medium and low pressure, but also suitable for high pressure. The closing principle of the stop valve is that the valve clack sealing surface is tightly attached to the valve seat sealing surface by means of the valve lever pressure, so that medium circulation is prevented.

For some large-flow stop valves used in places such as water plants, the caliber and the flow are large, the fluid pressure is correspondingly higher, the area of the valve plate is larger, and therefore the acting force required for driving the valve plate is larger, so that the difficulty of opening and closing the stop valve can be caused.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a stop valve opening and closing control driving device, which is characterized in that two movable rings are close to the middle of the outer wall of a double-head threaded rod, so that the two movable rings drive two limiting plates to close to the middle, a plurality of limiting plates penetrate through grooves and extend into limiting grooves on the outer walls of two sides of a clamping ring, limiting is carried out between the clamping ring and the clamping groove, a fixed ring and a connecting ring are quickly connected, and convenience is brought to the disassembly and the installation of a driving device body by people.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a stop valve opens and close control drive arrangement, includes the valve body, the valve body upper end is equipped with the pipeline, the pipeline top is equipped with the connecting pipe, be connected through the ring flange between connecting pipe and the pipeline, the connecting pipe upper end is equipped with solid fixed ring, gu fixed ring upper end is equipped with the go-between, gu the go-between upper end is equipped with the drive arrangement body, be equipped with the coupling mechanism who is used for connecting both with solid fixed ring, the cavity has been seted up in the fixed ring, the cavity internal rotation is connected with the double-end threaded rod that a plurality of circumference set up, double-end threaded rod both ends screw thread revolves to opposite, a plurality of all be equipped with on the double-end threaded rod outer wall and be used for carrying out spacing stop gear to coupling mechanism.

Preferably, the connecting mechanism comprises a clamping ring arranged at the lower end of the connecting ring, a clamping groove matched with the clamping ring is formed in the upper end of the fixing ring, and the clamping groove is in annular arrangement.

Preferably, the stop gear is including seting up the logical groove that a plurality of circumference set up between cavity and draw-in groove, equal threaded connection has the removal ring on the outer wall of double-end threaded rod both ends, the removal ring upper end is equipped with the limiting plate, limiting plate and logical groove sliding connection, a plurality of circumference sets up and with limiting plate matched with limiting groove have all been seted up to the inner and outer wall of draw-in groove.

Preferably, the inner bottom in the cavity is rotationally connected with a conical ring, a plurality of first bevel gears are arranged on the outer walls of the double-head threaded rods, and the plurality of first bevel gears are engaged with the conical ring.

Preferably, a rotating rod is connected between the cavity and the outer wall of the fixed ring in a penetrating and rotating way, and a second bevel gear which is meshed with the bevel gear ring is arranged on the outer wall of the rotating rod.

Preferably, a rotary table is arranged at the tail end of one end of the rotary rod, which is positioned outside the fixed ring, and anti-skid patterns are arranged on the outer wall of the rotary table.

The utility model has the beneficial effects that:

1. the two movable rings are close to each other towards the middle through the outer walls of the double-head threaded rods, so that the two movable rings drive the two limiting plates to close to each other towards the middle, the limiting plates penetrate through the through grooves and extend into the limiting grooves on the outer walls of the two sides of the clamping ring, limiting is carried out between the clamping ring and the clamping groove, the fixing ring and the connecting ring are connected quickly, and convenience is brought to disassembly and installation of the driving device body.

2. Under the meshing effect of second bevel gear and awl ring gear on the dwang outer wall and under the meshing effect of awl ring gear and the first bevel gear of a plurality of double-end threaded rod outer walls, make a plurality of first bevel gears drive double-end threaded rod and rotate, under the screw thread of double-end threaded rod both ends revolve to opposite and double-end threaded rod both ends and remove the threaded connection of ring, make two remove the ring and draw close in the middle at double-end threaded rod outer wall, realize removing a plurality of limiting plates simultaneously, improve the linkage of this device.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the connecting mechanism of the present utility model;

FIG. 3 is a schematic top view of the structure of the connecting mechanism of the present utility model;

FIG. 4 is a schematic cross-sectional view of the internal mechanism of the retaining ring of the present utility model;

FIG. 5 is a schematic view of the overall structure of the chamber of the present utility model.

In the figure: the device comprises a valve body 1, a pipeline 2, a flange plate 3, a connecting pipe 4, a fixing ring 5, a connecting ring 6, a driving device body 7, a clamping ring 8, a limiting groove 9, a rotating rod 10, a clamping groove 11, a cavity 12, a double-head threaded rod 13, a moving ring 14, a limiting plate 15, a through groove 16, a conical gear ring 17, a first bevel gear 18 and a second bevel gear 19.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, a stop valve opening and closing control driving device comprises a valve body 1, a pipeline 2 is arranged at the upper end of the valve body 1, a connecting pipe 4 is arranged above the pipeline 2, the connecting pipe 4 is connected with the pipeline 2 through a flange plate 3, a fixed ring 5 is arranged at the upper end of the connecting pipe 4, a connecting ring 6 is arranged at the upper end of the fixed ring 5, a driving device body 7 is arranged at the upper end of the connecting ring 6, a connecting mechanism for connecting the connecting ring 6 and the fixed ring 5 is arranged between the connecting ring 6 and the fixed ring 5, the connecting mechanism comprises a clamping ring 8 arranged at the lower end of the connecting ring 6, a clamping groove 11 matched with the clamping ring 8 is formed in the upper end of the fixed ring 5, and the clamping groove 11 is in an annular arrangement.

The cavity 12 has been seted up in the solid fixed ring 5, the cavity 12 internal rotation is connected with the double-end threaded rod 13 that a plurality of circumference set up, the screw thread of double-end threaded rod 13 both ends revolves to opposite, all be equipped with the stop gear who is used for carrying out spacing to coupling mechanism on a plurality of double-end threaded rod 13 outer walls, stop gear is including seting up the logical groove 16 that sets up a plurality of circumference between cavity 12 and draw-in groove 11, all threaded connection has movable ring 14 on the outer wall of double-end threaded rod 13 both ends, movable ring 14 upper end is equipped with limiting plate 15, limiting plate 15 and logical groove 16 sliding connection, a plurality of circumference setting and with limiting plate 15 matched with spacing groove 9 have all been seted up to the snap ring 8 inner and outer wall, through making two movable ring 14 draw close to the centre at double-end threaded rod 13 outer wall, thereby make two movable ring 14 drive two limiting plates 15 draw close to the centre, make a plurality of limiting plates 15 pass through logical groove 16 and stretch into in the spacing groove 9 on the outer wall of snap ring 8 both sides, thereby realize spacing between snap ring 8 and draw-in groove 11, make quick connection between fixed ring 5 and the connecting ring 6, for dismantling and the drive device body 7 convenient to install.

The inner bottom of the cavity 12 is rotationally connected with a bevel gear ring 17, first bevel gears 18 are arranged on the outer walls of the plurality of double-end threaded rods 13, the plurality of first bevel gears 18 are engaged with the bevel gear ring 17, a rotating rod 10 is connected between the cavity 12 and the outer wall of the fixed ring 5 in a penetrating and rotating mode, a second bevel gear 19 which is in an engaged state with the bevel gear ring 17 is arranged on the outer wall of the rotating rod 10, a rotary table is arranged at the tail end of one end of the rotating rod 10 outside the fixed ring 5, anti-skid threads are arranged on the outer wall of the rotary table, under the engaging effect of the second bevel gear 19 and the bevel gear ring 17 on the outer wall of the rotating rod 10 and the engaging effect of the bevel gear ring 17 and the first bevel gears 18 on the outer walls of the plurality of double-end threaded rods 13, the plurality of first bevel gears 18 drive the double-end threaded rods 13 to rotate, and under the threaded connection of the two ends of the double-end threaded rods 13 and the moving ring 14, the two moving rings 14 are gathered towards the middle on the outer wall of the double-end threaded rods 13, and the simultaneous movement of the plurality of limiting plates 15 is realized, and the linkage of the device is improved.

When the utility model is used, when the driving device body 7 is fixed (because the driving device body 7 and the connection between the driving device body 7 and the valve body 1 are all in the prior art, related structures are not repeated in the drawing), the clamping ring 8 under the connecting ring 6 only needs to extend into the clamping groove 11 at the upper end of the fixed ring 5, then the turntable is rotated, the turntable drives the rotating rod 10 to rotate, the conical toothed ring 17 rotates at the bottom of the cavity 12 under the meshing effect of the second conical gear 19 and the conical toothed ring 17 on the outer wall of the rotating rod 10, and then the plurality of first conical gears 18 drive the threaded rod 13 to rotate under the meshing effect of the conical toothed ring 17 and the first conical gears 18 on the outer wall of the plurality of threaded rods 13, and under the threaded connection of the two ends of the threaded rods 13 and the movable ring 14, the two movable rings 14 are close to the middle on the outer wall of the threaded rod 13, so that the two movable rings 14 drive the two limiting plates 15 to the middle, the plurality of limiting plates 15 pass through the clamping grooves 16 and extend into the clamping grooves 8 on the two sides of the outer walls 8, thereby realizing the quick connection between the clamping ring 8 and the clamping ring 5 and the fixed ring 5, and the quick connection between the driving device and the clamping ring and the body 7 is realized.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a stop valve opens and close control drive arrangement, includes valve body (1), its characterized in that, valve body (1) upper end is equipped with pipeline (2), pipeline (2) top is equipped with connecting pipe (4), be connected through ring flange (3) between connecting pipe (4) and pipeline (2), connecting pipe (4) upper end is equipped with solid fixed ring (5), gu fixed ring (5) upper end is equipped with go-between (6) upper end is equipped with drive arrangement body (7), be equipped with the coupling mechanism who is used for connecting both with gu fixed ring (5), cavity (12) have been seted up in gu fixed ring (5), cavity (12) internal rotation is connected with double-end threaded rod (13) that a plurality of circumference set up, a plurality of double-end threaded rod (13) both ends screw thread revolve to opposite, all be equipped with on the outer wall of double-end threaded rod (13) and be used for carrying out spacing stop gear to the coupling mechanism.

2. The stop valve opening and closing control driving device according to claim 1, wherein the connecting mechanism comprises a clamping ring (8) arranged at the lower end of the connecting ring (6), a clamping groove (11) matched with the clamping ring (8) is formed in the upper end of the fixed ring (5), and the clamping groove (11) is in annular arrangement.

3. The stop valve opening and closing control driving device according to claim 2, wherein the limiting mechanism comprises a plurality of through grooves (16) formed in the circumferential direction between the cavity (12) and the clamping groove (11), movable rings (14) are connected to the outer walls of the two ends of the double-head threaded rod (13) in a threaded mode, limiting plates (15) are arranged at the upper ends of the movable rings (14), the limiting plates (15) are slidably connected with the through grooves (16), and a plurality of limiting grooves (9) formed in the circumferential direction and matched with the limiting plates (15) are formed in the inner wall and the outer wall of the clamping ring (8).

4. A stop valve opening and closing control driving device according to claim 3, wherein the inner bottom of the chamber (12) is rotatably connected with a bevel gear ring (17), the outer walls of the plurality of double-ended threaded rods (13) are respectively provided with a first bevel gear (18), and the plurality of first bevel gears (18) are engaged with the bevel gear ring (17).

5. The stop valve opening and closing control driving device according to claim 4, wherein a rotating rod (10) is connected between the chamber (12) and the outer wall of the fixed ring (5) in a penetrating and rotating manner, and a second bevel gear (19) in a meshed state with the bevel gear ring (17) is arranged on the outer wall of the rotating rod (10).

6. The stop valve opening and closing control driving device according to claim 5, wherein a turntable is arranged at the tail end of one end of the rotating rod (10) positioned outside the fixed ring (5), and anti-skid patterns are arranged on the outer wall of the turntable.