CN210920457U

CN210920457U - Novel multistage sleeve governing valve

Info

Publication number: CN210920457U
Application number: CN201922208817.9U
Authority: CN
Inventors: 张汉涛
Original assignee: Shanghai Shenji Meter Co ltd
Current assignee: Shanghai Shenji Meter Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-03
Anticipated expiration: 2029-12-11

Abstract

The utility model belongs to the field of adjusting valves, in particular to a novel multi-stage sleeve adjusting valve, which aims at the problem that when the prior sleeve adjusting valve is connected with an external pipeline, flange connection is generally adopted, a large number of bolts are needed to be utilized, so that the operation is more troublesome, and the scheme is provided, which comprises an adjusting valve, two fixed covers are symmetrically and fixedly arranged on both sides of the adjusting valve, and a connecting plate is connected on the fixed covers in a sliding way, one side of the bottom of the connecting plate is rotatably connected with a rotating cover, a moving cover is connected on the rotating cover in a sliding way, an arc-shaped clamping plate is fixedly arranged on the bottom of the moving cover, the arc-shaped clamping plate can clamp an external pipe and a clamping ring by pushing the connecting plate, and the sealing gasket can realize the sealing connection of the external pipe and the adjusting valve, so that the flange in the installation can, therefore, the operation steps can be effectively reduced, and the device has the advantage of simple and convenient installation.

Description

Novel multistage sleeve governing valve

Technical Field

The utility model relates to a governing valve technical field especially relates to a novel multistage sleeve governing valve.

Background

The sleeve and the valve clack of sleeve-type governing valve are clearance fit, and it has a plurality of throttle windows to open on the sleeve, and the flow characteristic of governing valve has been decided to the shape of window, bulletin number: CN206093178U discloses a sleeve regulating valve, comprising: the valve comprises a valve body, a sleeve, a valve core, a valve cover, a valve rod and a sealing device, wherein the sleeve is vertically installed at the central position in the valve body, the valve cover is installed at the top of the valve body, a balance cavity is arranged between the valve body and the sleeve, grooves communicated with the balance cavity are formed in two sides of the inner wall of the valve body, a circular through hole is formed in the sleeve, the valve core is installed in the sleeve in a sliding mode, the valve rod penetrates through the valve cover and is fixedly installed at the top of the valve core. The technical purpose of the utility model is to provide a sleeve regulating valve with better valve rod sealing performance and more balanced pressure of the valve core and the sleeve, which can prolong the practical life;

when the existing sleeve regulating valve is connected through an external pipeline, flange connection is generally adopted, a large number of bolts are required to be utilized, and the operation is relatively troublesome, so that a novel multistage sleeve regulating valve is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having sleeve governing valve among the prior art and lie in external pipeline when connecting, generally all adopt flange joint, need utilize a large amount of bolts for the more troublesome shortcoming of operation, and the novel multistage sleeve governing valve that proposes.

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

the utility model provides a novel multistage sleeve governing valve, includes the governing valve, the equal symmetrical fixed mounting in both sides of governing valve has two fixed cowls, and fixed cowling goes up sliding connection and has the connecting plate, bottom one side of connecting plate is rotated and is connected with the rotation cover, it has the removal cover to rotate to cover sliding connection, the bottom fixed mounting who removes the cover has the camber cardboard, lies in and has clamped same external pipe with two camber cardboards with one side, the one end fixed mounting who takes over externally has the snap ring, one side fixed mounting of connecting plate has sealed the pad, and lies in and all lie in between governing valve and the snap ring with two sealed pads of one side, sealed pad closely laminates with governing valve and snap ring respectively, one side fixed mounting who rotates the cover has the baffle, one side and the.

Preferably, the both sides of rotating the cover are all fixed mounting have torsion spring, and the one end that two torsion springs kept away from each other all with connecting plate fixed connection, utilize torsion spring can carry out elastic support to the arc splint.

Preferably, sliding connection has the connecting rod on the inner wall of fixed cover, the one end of connecting rod extend to the outside of fixed cover and with connecting plate fixed connection, symmetrical sliding connection has two kellies on one side inner wall of fixed cover, and the one end of two kellies all extends to the outside of fixed cover and fixed mounting has same carriage release lever, one side fixed mounting of fixed cover has the connecting cover, the carriage release lever through connection cover and with connecting cover sliding connection, the bottom fixed mounting of connecting rod has the card cover, and two kellies clamp with the card cover activity respectively, utilize the kellies can conveniently carry on spacingly to the connecting plate.

Preferably, sliding connection has the pull rod on the inner wall of one side of connecting cover, the one end of pull rod extends to the outside of connecting cover, the other end of pull rod and one side fixed connection of carriage release lever, the cover is equipped with the reset spring who is located the connecting cover on the pull rod, reset spring's both ends respectively with the one side inner wall of connecting cover and one side fixed connection of carriage release lever, it is spacing to utilize reset spring can conveniently carry out elasticity to the kelly.

Preferably, fixed mounting has ball nut pair on the inner wall of rotation cover, threaded connection has ball screw pair on the ball nut pair, ball screw pair's one end extends to and removes in the cover and rotates with the one side inner wall that removes the cover and be connected, fixed mounting has the ring gear on the inner wall of removal cover, ball screw pair goes up fixed mounting has the fixed plate, rotates on the fixed plate and is connected with the connecting axle, the one end fixed mounting of connecting axle has the gear, gear and ring gear mesh mutually, the cover is equipped with torque spring on the connecting axle, torque spring's both ends respectively with the other end fixed connection of fixed plate and connecting axle, utilize torque spring can realize carrying out elasticity to the camber splint to this can realize pressing from both sides tightly the outer pipe.

The utility model discloses in, a novel multistage sleeve governing valve

The two clamping rings are respectively placed near two sides of the regulating valve, and the connecting plate can be pushed to enable the baffle to be in contact with the clamping rings, so that the rotating cover can be driven to rotate through the clamping rings, the arc-shaped clamping plate can be driven to rotate when the rotating cover rotates, the arc-shaped clamping plate can be in contact with the clamping rings to drive the clamping rings to be close to the regulating valve, and meanwhile, the sealing gasket can also move between the clamping rings and the regulating valve;

when the arc-shaped clamping plate rotates to a vertical position, the adjusting valve and the clamping ring can be tightly attached to the sealing gasket, the clamping cover can also move to correspond to the clamping rod, the pull rod can be released, the moving rod can be driven to move under the action of the reset spring, the clamping rod can be moved into the clamping cover, the purpose of limiting the connecting plate is achieved, and the purpose of connecting the external connecting pipe and the adjusting valve can be achieved;

the utility model discloses a promote the connecting plate, can press from both sides tightly to taking over and the snap ring outward in order to realize that the arc splint to utilize sealed the pad can realize taking over outward and governing valve carries out sealing connection, so in the installation, can effectively replace the flange in, so can effectively reduce operating procedure, have the advantage of simple installation.

Drawings

Fig. 1 is a front view of a novel multi-stage sleeve regulating valve according to the present invention;

fig. 2 is a front view of the internal structures of the movable cover and the fixed cover of the novel multi-stage sleeve regulating valve;

FIG. 3 is a side view of a connecting structure of a rotating cover and a connecting plate of the novel multi-stage sleeve regulating valve;

fig. 4 is an enlarged view of the structure a in fig. 2 of the novel multistage sleeve regulating valve provided by the present invention.

In the figure: 1 adjusting valve, 2 fixing cover, 3 external connecting pipe, 4 connecting rod, 5 connecting plate, 6 sealing gasket, 7 rotating cover, 8 moving cover, 9 arc clamping plate, 10 ball screw pair, 11 ball screw nut pair, 12 baffle, 13 clamping rod, 14 moving rod, 15 connecting cover, 16 pull rod, 17 clamping cover, 18 reset spring, 19 toothed ring, 20 gear, 21 connecting shaft, 22 torsion spring and 23 torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a novel multistage sleeve governing valve, including governing valve 1, the equal symmetrical fixed mounting in both sides of governing valve 1 has two fixed cowls 2, and sliding connection has connecting plate 5 on the fixed cowls 2, bottom one side of connecting plate 5 is rotated and is connected with and rotates cover 7, sliding connection has removal cover 8 on rotating cover 7, the bottom fixed mounting who removes cover 8 has arc cardboard 9, lie in and have same outer pipe 3 with two arc cardboard 9 clamps, the one end fixed mounting who takes over 3 has the snap ring, one side fixed mounting of connecting plate 5 has sealed 6, and lie in with two sealed 6 of one side all lie in between governing valve 1 and the snap ring, sealed 6 of filling up closely laminates with governing valve 1 and snap ring respectively, one side fixed mounting who rotates cover 7 has baffle 12, one side and the snap ring movable contact of baffle 12.

Wherein, two snap rings are respectively placed near two sides of the adjusting valve 1, at this time, the connecting plate 5 can be pushed to enable the baffle 12 to contact with the snap ring, so the rotating cover 7 can be driven to rotate through the snap ring, when the rotating cover 7 rotates, the arc-shaped snap plate 9 can be driven to rotate, so the arc-shaped snap plate 9 can be enabled to contact with the snap ring, the snap ring is driven to be close to the adjusting valve 1, meanwhile, the sealing gasket 6 can also move between the snap ring and the adjusting valve 1, when the arc-shaped snap plate 9 rotates to a vertical position, the adjusting valve 1 and the snap ring can be enabled to be clung to the sealing gasket 6, and the snap cover 17 can also move to correspond to the snap rod 13, at this time, the pull rod 16 can be released, the moving rod 14 can be driven to move under the action of the reset spring 18, at this time, the snap rod 13 can be moved to the inside of the snap cover 17, and can accomplish the purpose of taking over 3 and governing valve 1 and connecting outward, the utility model discloses a promote connecting plate 5, can press from both sides tightly to taking over 3 and the snap ring outward in order to realize arc splint 9 to utilize sealed 6 can realize taking over 3 and governing valve 1 outward and carry out sealing connection, so in the installation, can effectively replace the flange in, so can effectively reduce operating procedure, have the advantage of simple installation.

The utility model discloses in, the equal fixed mounting in both sides of rotating cover 7 has torsion spring 23, and the one end that two torsion springs 23 kept away from each other all with connecting plate 5 fixed connection, utilize torsion spring 23 to carry out elastic support to arc splint 9.

The utility model discloses in, sliding connection has connecting rod 4 on the inner wall of fixed cover 2, the one end of connecting rod 4 extend to the outside of fixed cover 2 and with connecting plate 5 fixed connection, symmetrical sliding connection has two kellies 13 on one side inner wall of fixed cover 2, and the one end of two kellies 13 all extends to the outside of fixed cover 2 and fixed mounting has same carriage release lever 14, one side fixed mounting of fixed cover 2 has connecting cover 15, carriage release lever 14 run through connecting cover 15 and with connecting cover 15 sliding connection, the bottom fixed mounting of connecting rod 4 has card cover 17, and two kellies 13 clamp with card cover 17 activity respectively, it can conveniently carry on spacingly to connecting plate 5 to utilize kellies 13.

The utility model discloses in, sliding connection has pull rod 16 on one side inner wall of connecting cover 15, and the one end of pull rod 16 extends to the outside of connecting cover 15, and one side fixed connection of the other end of pull rod 16 and carriage release lever 14, the cover is equipped with reset spring 18 that is located connecting cover 15 on the pull rod 16, and reset spring 18's both ends respectively with one side inner wall of connecting cover 15 and one side fixed connection of carriage release lever 14, it is spacing to utilize reset spring 18 can conveniently carry out elasticity to kelly 13.

The utility model discloses in, fixed mounting has ball screw nut pair 11 on the inner wall of rotation cover 7, threaded connection has ball screw pair 10 on ball screw nut pair 11, ball screw pair 10's one end extends to and removes in the cover 8 and rotate with one side inner wall of removing the cover 8 and be connected, fixed mounting has ring gear 19 on removing the inner wall of cover 8, fixed mounting has the fixed plate on ball screw pair 10, it is connected with connecting axle 21 to rotate on the fixed plate, the one end fixed mounting of connecting axle 21 has gear 20, gear 20 meshes with ring gear 19 mutually, the cover is equipped with torque spring 22 on the connecting axle 21, torque spring 22's both ends respectively with fixed plate and connecting axle 21's other end fixed connection, utilize torque spring 22 can realize carrying out elasticity to arc type splint 9, with this can realize pressing from both sides tightly outer pipe 3.

In the utility model, when the external pipe 3 and the adjusting valve 1 are required to be connected, at first, two snap rings are respectively placed near two sides of the adjusting valve 1, at this time, the connecting plate 5 can be pushed to make the baffle 12 contact with the snap rings, so the rotating cover 7 can be driven to rotate through the snap rings, when the rotating cover 7 rotates, the arc-shaped snap plate 9 can be driven to rotate, thereby the arc-shaped snap plate 9 can be made to contact with the snap rings, the snap rings are driven to be close to the adjusting valve 1, and the rotating cover 7 and the moving cover 8 can have a mutual sliding relationship, at this time, under the action of the ball screw nut pair 11, the ball screw pair 10 can be driven to rotate, the gear 20 can be driven to move annularly, under the action of the gear ring 19, the gear 20 can be driven to rotate, the connecting shaft 21 can be further driven to rotate, therefore, the torsion spring 22 can be in a stress, and the torsion spring 22 will provide the same elastic force to tightly clamp the arc-shaped clamp plate 9 and the outer connecting tube 3, when the connecting plate 5 is moved, the sealing gasket 6 is also moved between the clamping ring and the regulating valve 1, when the arc-shaped clamping plate 9 rotates to the vertical position, the regulating valve 1 and the clamping ring can be tightly attached to the sealing gasket 6, and the cage 17 is moved in correspondence with the catch lever 13, the pull rod 16 can be released, and the return spring 18, under its action, the movable rod 14 can be driven to move, the clamping rod 13 can be moved into the clamping cover 17 at the moment, the purpose of limiting the connecting plate 5 is realized, the purpose of connecting the external connecting pipe 3 and the regulating valve 1 can be completed, therefore, the flange in the installation can be effectively replaced, so that the operation steps can be effectively reduced, and the installation is simple and convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel multi-stage sleeve regulating valve comprises a regulating valve (1) and is characterized in that two fixed covers (2) are symmetrically and fixedly arranged on two sides of the regulating valve (1), a connecting plate (5) is connected onto each fixed cover (2), a rotating cover (7) is rotatably connected onto one side of the bottom of the connecting plate (5), a moving cover (8) is connected onto the rotating cover (7) in a sliding manner, an arc-shaped clamping plate (9) is fixedly arranged at the bottom of the moving cover (8), the two arc-shaped clamping plates (9) positioned on the same side are clamped with the same outer pipe (3), a clamping ring is fixedly arranged at one end of the outer pipe (3), a sealing gasket (6) is fixedly arranged on one side of the connecting plate (5), the two sealing gaskets (6) positioned on the same side are positioned between the regulating valve (1) and the clamping ring, and the sealing gaskets (6) are tightly attached to the regulating, one side of the rotating cover (7) is fixedly provided with a baffle (12), and one side of the baffle (12) is in movable contact with the snap ring.

2. The novel multistage sleeve regulating valve as claimed in claim 1, characterized in that torsion springs (23) are fixedly mounted on both sides of the rotating cover (7), and the ends of the two torsion springs (23) far away from each other are fixedly connected with the connecting plate (5).

3. The novel multistage sleeve regulating valve as claimed in claim 1, wherein a connecting rod (4) is slidably connected to an inner wall of the fixed cover (2), one end of the connecting rod (4) extends to the outer side of the fixed cover (2) and is fixedly connected with the connecting plate (5), two clamping rods (13) are symmetrically and slidably connected to an inner wall of one side of the fixed cover (2), one ends of the two clamping rods (13) extend to the outer side of the fixed cover (2) and are fixedly provided with a same moving rod (14), a connecting cover (15) is fixedly provided at one side of the fixed cover (2), the moving rod (14) penetrates through the connecting cover (15) and is slidably connected with the connecting cover (15), a clamping cover (17) is fixedly provided at a bottom end of the connecting rod (4), and the two clamping rods (13) are movably clamped with the clamping cover (17) respectively.

4. The novel multistage sleeve regulating valve as claimed in claim 3, wherein a pull rod (16) is slidably connected to one side inner wall of the connecting cover (15), one end of the pull rod (16) extends to the outside of the connecting cover (15), the other end of the pull rod (16) is fixedly connected to one side of the moving rod (14), a return spring (18) located in the connecting cover (15) is sleeved on the pull rod (16), and two ends of the return spring (18) are fixedly connected to one side inner wall of the connecting cover (15) and one side of the moving rod (14), respectively.

5. The novel multistage sleeve regulating valve according to claim 1, characterized in that a ball screw nut pair (11) is fixedly mounted on the inner wall of the rotating cover (7), the ball screw nut pair (11) is connected with a ball screw pair (10) through threads, one end of the ball screw pair (10) extends into the movable cover (8) and is rotationally connected with the inner wall of one side of the movable cover (8), a toothed ring (19) is fixedly arranged on the inner wall of the movable cover (8), a fixed plate is fixedly arranged on the ball screw pair (10), a connecting shaft (21) is rotatably connected on the fixed plate, one end of the connecting shaft (21) is fixedly provided with a gear (20), the gear (20) is meshed with the gear ring (19), the connecting shaft (21) is sleeved with a torsion spring (22), and two ends of the torsion spring (22) are fixedly connected with the fixing plate and the other end of the connecting shaft (21) respectively.