CN214197297U

CN214197297U - Marine cast steel butterfly valve rod of integral type

Info

Publication number: CN214197297U
Application number: CN202022926764.7U
Authority: CN
Inventors: 毛仁林; 李向群; 袁玉良
Original assignee: Suzhou Industrial Park Tianyang Machinery Co ltd
Current assignee: Suzhou Industrial Park Tianyang Machinery Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-14
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a marine cast steel butterfly valve rod of integral type, including the valve rod main part, the valve rod main part outside is provided with memory mechanism, memory mechanism includes the sleeve, the sleeve both sides all are equipped with the outer tube, the inside threaded rod that is equipped with of outer tube, the fixed stationary blade that is equipped with of threaded rod one end, the sleeve both sides are all fixed and are equipped with the spring, the fixed dead lever that is equipped with of spring one end. The utility model discloses a set up memory mechanism, the threaded rod promotes the stationary blade and removes and extrude the valve rod main part to this is fixed sleeve and valve rod main part outer end, makes the valve rod main part rotate the back when external force, and the valve rod main part will drive the muffjoint rotation and make the spring elongated, and external force disappears the back, and the elasticity pulling sleeve and the valve rod main part of spring move to the gyration, resume original velocity of flow and flow, avoid the valve to be difficult to by the accuracy by the flow and the velocity of flow that leads to adjusting after being touched by the mistake.

Description

Marine cast steel butterfly valve rod of integral type

Technical Field

The embodiment of the utility model provides a valve rod technical field, concretely relates to marine cast steel butterfly valve rod of integral type.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, can be used for controlling the flow of various types of fluids such as air, water, steam and the like, and consists of a plurality of components, wherein a valve rod is used for transmission, an actuating mechanism or a handle is connected on the valve rod, and a valve core is directly driven to move or rotate under the valve rod so as to realize the opening and closing or regulating function of the valve.

The valve rod drives the valve core inside the valve to rotate, so that the on-off of fluid can be controlled, the size of the fluid in a flowing space can be controlled by controlling the rotating angle of the valve core, the flow and the flow speed of the fluid are further controlled, in the actual use process, after the flow and the flow speed of the fluid are adjusted by the valve, once the valve is touched by mistake, the original flow and the flow speed are difficult to accurately recover, and inconvenience is brought to use.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides an integrated valve rod of a ship cast steel butterfly valve and a ship cast steel butterfly valve, through the memory mechanism, after the flow and the flow rate of the valve are adjusted by the rotation of the valve rod main body, the outer tube is rotated to push the threaded rod and the fixing piece to move and extrude the valve rod main body, so that the sleeve and the outer end of the valve rod main body are fixed, when external force touches the valve rod main body, the valve rod main body drives the sleeve to rotate and the spring is stretched after the valve rod main body rotates, after the external force disappears, the sleeve and the valve rod main body are pulled by the elasticity of the spring to rotate, the valve core returns to the original position, the original flow rate and flow are recovered, the problem that the regulated flow rate and flow rate are difficult to accurately recover after the valve is touched by mistake is avoided, the problem of among the prior art when the valve regulation fluid flow and velocity of flow after, in case the valve is touched by mistake and just difficult original flow and velocity of flow of accurate recovery bring inconvenience to the use is solved.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the integrated marine cast steel butterfly valve rod comprises a valve rod main body, wherein a memory mechanism is arranged on the outer side of the valve rod main body;

memory mechanism includes the sleeve, the sleeve is established in the valve rod main part outside, the sleeve both ends all are equipped with the retainer plate and pass through bearing swing joint with the retainer plate, the retainer plate is fixed to be established in valve rod main part outer end, the sleeve both sides all are equipped with the outer tube, the outer tube passes through bearing swing joint with the sleeve, the inside threaded rod that is equipped with of outer tube, the threaded rod outer end is connected through the screw thread with the outer tube inner wall, threaded rod one end extends to inside the sleeve, the fixed stationary blade that is equipped with of threaded rod one end, stationary blade one side contacts with valve rod main part outer end, the sleeve both sides are all fixed and are equipped with the spring, the spring is established in.

Further, the outer end of the threaded rod is provided with a sliding groove, a limiting rod is arranged inside the sliding groove, and two ends of the limiting rod respectively extend to two sides of the sliding groove and are fixedly connected with the inner wall of the sleeve.

Further, a plurality of bulges are fixedly arranged on one side of the fixing piece, the outer end of the valve rod main body is inlaid with a non-slip mat, the non-slip mat is arranged inside the sleeve, and the bulges are in contact with the outer end of the non-slip mat.

Further, a reinforcing rod is embedded in the valve rod main body.

Further, the fixed screw thread seat that is equipped with in valve rod main part top, the inside horizontal pole that is equipped with of screw thread seat, the horizontal pole both ends extend to the screw thread seat both sides respectively, the horizontal pole outer end passes through threaded connection with the screw thread seat inner wall.

Furthermore, holding rods are fixedly arranged at two ends of the cross rod, anti-skidding sleeves are fixedly arranged at the outer ends of the holding rods, blocking pieces are fixedly arranged at the outer ends of the cross rod, and the blocking pieces are arranged on one side of the holding rods.

The marine cast steel butterfly valve comprises a valve rod and a valve plate, wherein the valve rod adopts any one of the integrated marine cast steel butterfly valve rods.

The embodiment of the utility model provides a have following advantage:

the utility model discloses a set up memory mechanism, after utilizing the flow and the velocity of flow of the good valve of rotation regulation of valve rod main part, rotate the outer tube, promote threaded rod and stationary blade and remove and extrude the valve rod main part, with this with sleeve and valve rod main part outer end fixed, touch the valve rod main part when external force, make the valve rod main part rotate the back, the valve rod main part will drive the sleeve and rotate and make the spring elongated, external force disappears the back, the elasticity pulling sleeve and the valve rod main part of spring rotate to the end, make the case get back to the original, resume original velocity of flow and flow, compared with the prior art, it is difficult to by the accurate recovery to avoid the valve to touch the back flow that leads to adjusting after touching by the mistake and the velocity of flow.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a front view provided by the present invention;

fig. 2 is a cross-sectional view provided by the present invention;

fig. 3 is a cross-sectional view of the sleeve provided by the present invention;

fig. 4 is a top cross-sectional view of the outer tube and the threaded rod provided by the present invention;

fig. 5 is an enlarged view of a portion a in fig. 3 according to the present invention;

in the figure: 1 valve rod main part, 2 anchor rods, 3 springs, 4 holding rods, 5 screw thread seats, 6 horizontal poles, 7 sleeves, 8 retainer rings, 9 dead levers, 10 threaded rods, 11 outer tubes, 12 non-slip mats, 13 stationary blades, 14 limiting rods, 15 chutes and 16 bulges.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings 1-5 of the specification, the integrated cast steel butterfly valve rod for the ship comprises a valve rod main body 1, wherein a memory mechanism is arranged on the outer side of the valve rod main body 1;

memory mechanism includes sleeve 7, sleeve 7 is established in the 1 outside of valve rod main part, 7 both ends of sleeve all are equipped with retainer plate 8 and pass through bearing swing joint with retainer plate 8, retainer plate 8 is fixed to be established in 1 outer end of valve rod main part, 7 both sides of sleeve all are equipped with outer tube 11, outer tube 11 passes through bearing swing joint with sleeve 7, the inside threaded rod 10 that is equipped with of outer tube 11, threaded rod 10 outer end is connected through the screw thread with 11 inner walls of outer tube, 10 one end of threaded rod extends to inside the

sleeve

7, 10 one end of threaded rod is fixed and is equipped with stationary blade 13, stationary blade 13 one side contacts with 1 outer end of valve rod main part, 7 both sides of sleeve are all fixed and are equipped with spring 3, spring 3 establishes in 11 bottoms of outer tube, 3 one end of spring is fixed and is equipped with dead lever 9.

Further, a sliding groove 15 is formed in the outer end of the threaded rod 10, a limiting rod 14 is arranged inside the sliding groove 15, two ends of the limiting rod 14 extend to two sides of the sliding groove 15 respectively and are fixedly connected with the inner wall of the sleeve 7, and the rotation of the threaded rod 10 is limited through the sliding groove 15 and the limiting rod 14.

Further, fixed a plurality of archs 16 that are equipped with of stationary blade 13 one side, inlay in valve rod main part 1 outer end has slipmat 12, slipmat 12 is established inside sleeve 7, protruding 16 contacts with slipmat 12 outer end, utilizes protruding 16 and slipmat 12 to improve the frictional force between stationary blade 13 and the valve rod main part 1.

Further, the valve rod body 1 is internally embedded with a reinforcing rod 2, so that the strength of the valve rod body 1 is improved.

Further, the fixed screw thread seat 5 that is equipped with in 1 top of valve rod main part, 5 inside horizontal poles 6 that are equipped with of screw thread seat, 6 both ends of horizontal pole extend to 5 both sides of screw thread seat respectively, 6 outer ends of horizontal pole pass through threaded connection with 5 inner walls of screw thread seat, can this adjust the length of horizontal pole 6 at 5 both ends of screw thread seat, and then the arm of force of adjustment rotation valve rod main part 1 for it is more laborsaving when rotating valve rod main part 1.

Furthermore, the holding rod 4 is fixedly arranged at two ends of the cross rod 6, the anti-skidding sleeve is fixedly arranged at the outer end of the holding rod 4, the blocking piece is fixedly arranged at the outer end of the cross rod 6, the blocking piece is arranged on one side of the holding rod 4, and the anti-skidding sleeve is prevented from skidding in the process of rotating the cross rod 6.

The marine cast steel butterfly valve comprises a valve rod and a valve plate, wherein the valve rod adopts the integrated marine cast steel butterfly valve rod.

The implementation scenario is specifically as follows: two fixing rods 9 are vertically welded at the outer end of a butterfly valve, so that the fixing rods 9 are fixed on the valve, then a holding rod 4 is held by a hand to drive a cross rod 6 to rotate, further a thread seat 5 and a valve rod body 1 are driven to rotate, a valve core is driven to rotate in the valve through the rotation of the valve rod body 1, so that the valve is controlled to be opened, fluid flows through the valve, a fixing ring 8 at the outer end of the valve rod body 1 is driven to rotate while the valve rod body 1 rotates, a sleeve 7 is connected with the fixing ring 8 through a bearing, the sleeve 7 is fixed with the fixing rods 9 through a spring 3, the sleeve 7 is fixed, the valve core rotating angle is adjusted by the valve rod body 1, after the flow rate and the flow rate of the fluid are controlled, an outer pipe 11 at two sides of the sleeve 7 is rotated, because the outer pipe 11 is connected with a threaded rod 10 through a thread, after the outer pipe 11 rotates, the threaded rod 10 originally in the outer pipe 11 gradually extends out of the outer pipe 11 along with the rotation of the outer pipe 11, the threaded rod 10 moves to push the fixing piece 13 to move, along with the rotation of the outer pipe 11, the fixing piece 13 gradually moves towards the outer side of the valve rod main body 1 until one side of the fixing piece 13 is in lateral contact with the outer side of the valve rod main body 1, after the fixing piece 13 is in contact with the outer side of the valve rod main body 1, the outer pipe 11 is screwed down, the threaded rod 10 and the fixing piece 13 are pushed to extrude the outer side of the valve rod main body 1, and then the sleeve 7 is fixed with the outer end of the valve rod main body 1 through the threaded rod 10 and the fixing piece 13, at the moment, after the valve rod main body 1 is triggered by external force to cause the rotation of the valve rod main body 1, the valve rod main body 1 and the sleeve 7 are fixed through the threaded rod 10 and the fixing piece 13, therefore, the valve rod main body 1 drives the sleeve 7 to rotate along with the sleeve, the springs 3 are fixed on two sides of the sleeve 7, the springs 3 are fixed at the outer end of the fixing rod 9, therefore, when the external force disappears, the elasticity of the stretched spring 3 is released, the spring 3 pulls the sleeve 7 to rotate backwards and drives the valve rod main body 1 to rotate backwards, so that the valve rod main body 1 returns to the original position, the valve core returns to the original position, the original flow and flow rate are maintained, the outer pipe 11 is rotated after the flow and flow rate of the valve are adjusted by using the rotation of the valve rod main body 1 by arranging the memory mechanism, the threaded rod 10 and the fixing piece 13 are pushed to move and extrude the valve rod main body 1, so that the sleeve 7 and the outer end of the valve rod main body 1 are fixed, when external force touches the valve rod main body 1, the valve rod main body 1 drives the sleeve 7 to rotate and the spring 3 is stretched after the valve rod main body 1 is rotated, after the external force disappears, the sleeve 7 and the valve rod main body 1 are pulled to rotate backwards by the elasticity of the spring 3, so that the valve core returns to the original flow rate and flow rate are restored, and the adjusted flow rate is difficult to be accurately restored after the valve is touched by mistake, the implementation mode specifically solves the problem that in the prior art, after the flow and the flow rate of the fluid are adjusted by the valve, the original flow and flow rate are difficult to accurately recover once the valve is touched by mistake, so that inconvenience is brought to use.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The integrated valve rod of the cast steel butterfly valve for the ship is characterized by comprising a valve rod main body (1), wherein a memory mechanism is arranged on the outer side of the valve rod main body (1);

the memory mechanism comprises a sleeve (7), the sleeve (7) is arranged on the outer side of the valve rod main body (1), the two ends of the sleeve (7) are respectively provided with a fixing ring (8) and movably connected with the fixing ring (8) through a bearing, the fixing ring (8) is fixedly arranged on the outer end of the valve rod main body (1), the two sides of the sleeve (7) are respectively provided with an outer tube (11), the outer tube (11) is movably connected with the sleeve (7) through the bearing, a threaded rod (10) is arranged inside the outer tube (11), the outer end of the threaded rod (10) is connected with the inner wall of the outer tube (11) through a thread, one end of the threaded rod (10) extends to the inside of the sleeve (7), a fixing plate (13) is fixedly arranged at one end of the threaded rod (10), one side of the fixing plate (13) is contacted with the outer end of the valve rod main body (1), and springs (3) are fixedly arranged on the two sides of the sleeve (7), the spring (3) is arranged at the bottom of the outer tube (11), and a fixing rod (9) is fixedly arranged at one end of the spring (3).

2. The integrated cast steel butterfly valve stem for ships according to claim 1, characterized in that: sliding grooves (15) have been seted up to threaded rod (10) outer end, sliding grooves (15) inside is equipped with gag lever post (14), gag lever post (14) both ends extend to sliding grooves (15) both sides respectively and with sleeve (7) inner wall fixed connection.

3. The integrated cast steel butterfly valve stem for ships according to claim 1, characterized in that: the fixed a plurality of archs (16) that are equipped with of stationary blade (13) one side, valve rod main part (1) outer end is inlayed and is had slipmat (12), slipmat (12) are established inside sleeve (7), arch (16) contact with slipmat (12) outer end.

4. The integrated cast steel butterfly valve stem for ships according to claim 1, characterized in that: the valve rod main body (1) is internally embedded with a reinforcing rod (2).

5. The integrated cast steel butterfly valve stem for ships according to claim 1, characterized in that: the valve rod is characterized in that a threaded seat (5) is fixedly arranged at the top end of the valve rod main body (1), a cross rod (6) is arranged inside the threaded seat (5), two ends of the cross rod (6) extend to two sides of the threaded seat (5) respectively, and the outer end of the cross rod (6) is connected with the inner wall of the threaded seat (5) through threads.

6. The integrated cast steel butterfly valve stem for ships according to claim 5, characterized in that: the holding rod (4) is fixedly arranged at two ends of the cross rod (6), the anti-skidding sleeve is fixedly arranged at the outer end of the holding rod (4), the blocking piece is fixedly arranged at the outer end of the cross rod (6), and the blocking piece is arranged on one side of the holding rod (4).