CN219571003U - Groove type handle butterfly valve - Google Patents

Abstract

The utility model relates to the field of pipeline valves and discloses a groove type handle butterfly valve, which comprises a valve body, wherein the top of the center of the valve body is provided with an adjusting handle connected with a valve rod, the bottom end of the adjusting handle is fixedly connected with a valve plate inside the valve body, two ends of the valve body are fixedly provided with connecting tubes, two sides of each connecting tube are provided with fixed connecting mechanisms for connecting pipelines, the inside of each connecting tube is provided with a sealing connecting assembly, the valve body is simple and convenient in installation and disassembly of the handle butterfly valve through connecting tube structures arranged at the two ends and connecting steps with the pipelines, the subsequent maintenance and overhaul of the handle butterfly valve are facilitated, and meanwhile, the connecting tubes and the sealing connecting assemblies thereof arranged at the two ends of the valve body can be connected with pipelines with different diameters and the sealing performance during connection is improved.

Description

Groove type handle butterfly valve

Technical Field

The utility model relates to the field of pipeline valves, in particular to a groove type handle butterfly valve.

Background

The groove type handle butterfly valve is a valve which controls the rotation of a butterfly plate through a handle to realize the opening and closing of the valve or the flow regulation; the valve body, the valve rod and the butterfly plate have the function of bidirectional sealing due to the symmetrical line structures; the flow resistance is small, and the flow is large; the operation is simple, the valve can be quickly opened and closed only by rotating the valve by 90 ℃, and the top groove disc enables the valve to have an opening locking function; the groove type connection is used in engineering construction, the installation is convenient and quick, the labor hour is saved, only the mechanical assembly is needed, welding is not needed, sundries such as welding slag and the like can not appear, and the groove type connection is especially suitable for the working condition of strictly forbidden smoke and fire; but in the prior art, the two ends of the valve body in the butterfly valve are smooth end surfaces or are provided with bolts through welding flanges, and when the butterfly valve is fixedly connected with a pipeline, the mounting speed is slower, the mounting process is complex, and the butterfly valve is not convenient to maintain in the later period, so that the butterfly valve with the grooved handle is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a groove type handle butterfly valve, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a slot type handle butterfly valve, includes the valve body, the top of valve body center department is provided with the adjustment handle who is connected with the valve rod, and the inside valve plate of bottom fixedly connected with valve body of adjustment handle, the equal fixed mounting in both ends of valve body has the connection tube, the connection tube both sides are provided with the fixed connection mechanism of useful connecting tube, and the inside of connection tube is provided with sealing connection subassembly.

Preferably, the connecting tubes at the two ends of the valve body are symmetrical to each other, and the diameter of the end face of the connecting tube is larger than that of the end face of the valve body.

Preferably, the sealing connection assembly comprises a conical connection pipe head and a sealing ring, two groups of mutually symmetrical conical connection pipe heads are fixedly arranged on the end faces of two sides of the valve body, one ends of the two groups of conical connection pipe heads, which deviate from each other, are ports with small diameters, and the sealing ring is fixedly arranged on the outer wall of the port, which deviates from the valve body, of the conical connection pipe head.

Preferably, the length of the conical connecting tube head is larger than that of the connecting tube barrel, the inner diameter of the sealing ring is the same as the inner strength of the small port of the conical connecting tube head, and the outer diameter of the sealing ring is equal to the outer diameter of the end face of the valve body.

Preferably, the fixed connection mechanism comprises a bending mounting plate, a threaded rotating shaft and an arc-shaped extrusion plate, wherein two groups of symmetrical bending mounting plates are fixedly mounted on the outer walls of two sides of the corresponding circle center of the connecting tube, the top view of the bending mounting plate is L-shaped, the bending mounting plate extends outside a port of the connecting tube, the threaded rotating shaft is rotatably mounted at the center of a vertical plate parallel to the valve body, two groups of the threaded rotating shafts are positioned on the same horizontal plane and parallel to the transverse central line of the end face of the valve body, two groups of the threaded rotating shafts are mutually close to the end face and are rotatably mounted with two groups of arc-shaped extrusion plates which are mutually symmetrical, and a knob disc is fixedly mounted on the end face, deviating from each other, of the two groups of threaded rotating shafts.

Preferably, rubber gaskets are fixedly arranged on the arc-shaped inner walls of the two groups of arc-shaped extrusion plates, which are close to each other.

(III) beneficial effects

Compared with the prior art, the utility model provides a groove-type handle butterfly valve, which has the following beneficial effects:

1. this slot type handle butterfly valve, screw thread pivot through knob disc rotary seal coupling assembling both sides, cause two sets of arc type stripper plates to be close to each other and extrude the pipeline outer wall, thereby accomplish pipeline fixed connection, thereby the hard contact of arc type stripper plate and pipeline can be avoided to its inner wall on the inner wall when two sets of arc type stripper plates extrude fixed pipeline, and thereby the deformability of rubber gasket makes the pipeline of rubber gasket closely laminating different diameters, the connecting tube structure that this valve body both ends set up and the connection step with the pipeline are all simple convenient, the installation and the dismantlement of this handle butterfly valve of being convenient for do benefit to the follow-up maintenance and the maintenance to this handle butterfly valve.

2. This slot type handle butterfly valve, through including the sealed coupling assembling of taper type coupling head and sealing ring, the pipeline is pegged graft on the taper type coupling head of coupling tube inside, and the pipeline can drive the sealing ring bending deformation of taper type coupling head port when pegging graft, the outer wall of pipeline inner wall and taper type coupling head can extrude the sealing ring this moment, the sealing ring is laminated more with the outer wall of taper type coupling head and the inner wall of pipeline, seal shape when increasing the connection, because the design shape of sealing ring is the pipeline between the taper cylinder type then can peg graft, thereby can make the port connection different diameter pipeline of valve body through taper type coupling head, increase the suitability of this handle butterfly valve.

3. This slot type handle butterfly valve has set firmly rubber gasket on the arc inner wall that is close to each other through two sets of arc stripper plates, and rubber gasket can avoid the hard contact of arc stripper plate and pipeline on its inner wall when two sets of arc stripper plates extrusion fixed pipeline, and thereby rubber gasket deformability makes the pipeline of rubber gasket closely laminating different diameters.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a fixed connection mechanism according to the present utility model;

fig. 3 is a schematic view of the structure of the cone-shaped connector of the present utility model.

In the figure: 1. a valve body; 2. an adjusting handle; 3. a connecting tube; 4. a fixed connection mechanism; 5. sealing the connection assembly; 6. a taper-shaped connecting tube head; 7. a seal ring; 8. bending the mounting plate; 9. a threaded spindle; 10. an arc extrusion plate; 11. a knob disc; 12. rubber gaskets.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a groove type handle butterfly valve comprises a valve body 1, wherein an adjusting handle 2 connected with a valve rod is arranged at the top of the center of the valve body 1, a valve plate inside the valve body 1 is fixedly connected with the bottom end of the adjusting handle 2, connecting tubes 3 are fixedly arranged at two ends of the valve body 1, fixed connecting mechanisms 4 for connecting pipelines are arranged at two sides of the connecting tubes 3, and a sealing connecting assembly 5 is arranged inside the connecting tubes 3.

The connecting tubes 3 at the two ends of the valve body 1 are symmetrical, and the diameter of the end face of the connecting tube 3 is larger than that of the end face of the valve body 1.

The sealing connection assembly 5 comprises a conical connection tube head 6 and a sealing ring 7, two groups of conical connection tube heads 6 which are symmetrical to each other are fixedly arranged on the end faces of two sides of the valve body 1, one ends of the two groups of conical connection tube heads 6 which are deviated from each other are small-diameter ports, and the sealing ring 7 is fixedly arranged on the outer walls of the ports of the conical connection tube heads 6 which are deviated from the valve body 1.

The length of the taper type connecting pipe head 6 is greater than the length of the connecting pipe barrel 3, the inner diameter of the sealing ring 7 is the same as the inner strength of the small port of the taper type connecting pipe head 6, the outer diameter of the sealing ring 7 is equal to the outer diameter of the end face of the valve body 1, the pipeline is inserted on the taper type connecting pipe head 6 inside the connecting pipe barrel 3, the pipeline can drive the sealing ring 7 at the port of the taper type connecting pipe head 6 to bend and deform during insertion, at the moment, the inner wall of the pipeline and the outer wall of the taper type connecting pipe head 6 can squeeze the sealing ring 7, so that the sealing ring 7 is more attached to the outer wall of the taper type connecting pipe head 6 and the inner wall of the pipeline, the sealing shape during connection is increased, and the design shape of the sealing ring 7 is the taper type can be inserted into the pipelines with different diameters, so that the port of the valve body 1 can be connected with the pipelines with different diameters through the taper type connecting pipe head 6, and the applicability of the handle butterfly valve is increased.

The fixed connection mechanism 4 comprises a bending mounting plate 8, a threaded rotating shaft 9 and an arc-shaped extrusion plate 10, wherein two groups of symmetrical bending mounting plates 8 are fixedly mounted on the outer walls of the two sides of the connecting tube 3 corresponding to the circle center, the top view of the bending mounting plates 8 is L-shaped, the bending mounting plates 8 extend outside the port of the connecting tube 3, the threaded rotating shaft 9 is rotatably mounted at the center of a vertical plate parallel to the valve body 1, the axes of the two groups of threaded rotating shafts 9 and the transverse central line of the end face of the valve body 1 are positioned on the same horizontal plane and are parallel, two groups of mutually symmetrical arc-shaped extrusion plates 10 are rotatably mounted on the mutually approaching end faces of the two groups of threaded rotating shafts 9, knob discs 11 are fixedly mounted on the mutually deviating end faces of the two groups of threaded rotating shafts 9, the threaded rotating shafts 9 on the two sides of the connecting assembly 5 are rotationally sealed through the knob discs 11, so that the two groups of arc-shaped extrusion plates 10 are mutually close to each other and extrude the outer walls of the pipeline, and thus the fixed connection of the pipeline is completed.

The rubber gaskets 12 are fixedly arranged on the arc-shaped inner walls of the two groups of arc-shaped extrusion plates 10, when the two groups of arc-shaped extrusion plates 10 extrude and fix pipelines, the hard contact between the arc-shaped extrusion plates 10 and the pipelines can be avoided by the rubber gaskets 12 on the inner walls, and the deformability of the rubber gaskets 12 enables the rubber gaskets 12 to be tightly attached to the pipelines with different diameters.

Working principle: when the ports at two sides of the valve body 1 are connected with the pipeline, the pipeline is firstly inserted into the conical connecting pipe head 6 in the connecting pipe barrel 3, and the pipeline can drive the sealing ring 7 at the port of the conical connecting pipe head 6 to bend and deform during insertion, at the moment, the inner wall of the pipeline and the outer wall of the conical connecting pipe head 6 can squeeze the sealing ring 7, so that the sealing ring 7 is more attached to the outer wall of the conical connecting pipe head 6 and the inner wall of the pipeline, the sealing shape during connection is increased, and the pipelines among different parts can be inserted due to the conical design shape of the sealing ring 7, so that the ports of the valve body 1 can be connected with pipelines with different diameters through the conical connecting pipe head 6, and the applicability of the handle butterfly valve is improved; after the splicing is completed, the threaded rotating shafts 9 on two sides of the sealing connection assembly 5 are rotated through the knob disc 11, so that the two groups of arc-shaped extrusion plates 10 are mutually close to each other and extrude the outer wall of the pipeline, thereby completing the fixed connection of the pipeline, the hard contact between the arc-shaped extrusion plates 10 and the pipeline can be avoided by the rubber gaskets 12 on the inner wall of the two groups of arc-shaped extrusion plates 10 when the two groups of arc-shaped extrusion plates 10 extrude and fix the pipeline, the rubber gaskets 12 can be tightly attached to the pipelines with different diameters by the deformability of the rubber gaskets 12, the structure of the connecting tube 3 arranged at two ends of the valve body 1 and the connecting steps with the pipeline are simple and convenient, the installation and the disassembly of the handle butterfly valve are facilitated, the subsequent maintenance and the overhaul of the handle butterfly valve are facilitated, and meanwhile, the connecting tube 3 arranged at two ends of the valve body 1 and the sealing connection assembly 5 can be connected with the pipelines with different diameters and the tightness during the connection.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a slot type handle butterfly valve, includes valve body (1), the top of valve body (1) center department is provided with adjustment handle (2) that are connected with the valve rod, and the inside valve plate of bottom fixedly connected with valve body (1) of adjustment handle (2), its characterized in that: the two ends of the valve body (1) are fixedly provided with connecting tubes (3), two sides of each connecting tube (3) are provided with a fixed connecting mechanism (4) of a useful connecting pipeline, and a sealing connecting assembly (5) is arranged inside each connecting tube (3).

2. A grooved handle butterfly valve according to claim 1, wherein: the two ends of the valve body (1) are connected with the pipe barrel (3) symmetrically, and the diameter of the end face of the connecting pipe barrel (3) is larger than that of the end face of the valve body (1).

3. A grooved handle butterfly valve according to claim 1, wherein: the sealing connection assembly (5) comprises a conical connection tube head (6) and a sealing ring (7), two groups of conical connection tube heads (6) which are symmetrical to each other are fixedly installed on the end faces of two sides of the valve body (1), one ends of the two groups of conical connection tube heads (6) which deviate from each other are small-diameter ports, and the sealing ring (7) is fixedly arranged on the outer walls of the ports of the conical connection tube heads (6) which deviate from the valve body (1).

4. A grooved handle butterfly valve according to claim 3, wherein: the length of the conical connecting tube head (6) is larger than that of the connecting tube barrel (3), the inner diameter of the sealing ring (7) is identical to the inner strength of the small port of the conical connecting tube head (6), and the outer diameter of the sealing ring (7) is equal to the outer diameter of the end face of the valve body (1).

5. A grooved handle butterfly valve according to claim 1, wherein: the utility model provides a fixed connection mechanism (4) is including buckling mounting panel (8), screw thread pivot (9) and arc stripper plate (10), the both sides outer wall fixed mounting that connecting tube (3) correspond the centre of a circle is two sets of symmetrical mounting panel (8) of buckling, and the top view of buckling mounting panel (8) is L shape, install screw thread pivot (9) in connecting tube (3) port outside and the parallel riser center department rotation of valve body (1), two sets of the axis of screw thread pivot (9) and the horizontal central line of terminal surface of valve body (1) are located same horizontal plane and parallel, rotate on two sets of screw thread pivot (9) are close to the terminal surface each other and install two sets of arc stripper plates (10) of mutual symmetry, and fixed mounting has knob disc (11) on the terminal surface that two sets of screw thread pivot (9) deviate from each other.

6. The grooved handle butterfly valve of claim 5, wherein: rubber gaskets (12) are fixedly arranged on the arc-shaped inner walls of the two groups of arc-shaped extrusion plates (10) which are close to each other.