CN218063457U - Gate valve with stainless steel wire buckle - Google Patents

Abstract

The utility model discloses a gate valve is detained to nonrust steel wire, its structure includes: the hand wheel is arranged at a connecting rod at the top of the movable column, the movable column is connected with the valve body through the valve cover at the bottom, and internal threads at the top of the valve body are meshed with external threads at the bottom of the valve cover; has the advantages that: this practicality is protected the regulation pole through installing the seal ring in plate body bottom, can experience the resistance when the hand wheel is rotatory to the bottom, can further cushion when screwing up completely, and sealed effect is better, and along with the valve is closed, impurity can be through leading to the groove bottom of punching fast, can reduce the bottom and corrode.

Description

Gate valve with stainless steel wire buckle

Technical Field

The utility model relates to a gate valve is detained to nonrust steel wire belongs to the gate valve field.

Background

The opening and closing piece of the stainless steel wire buckle gate valve is a plug-shaped valve clack, the sealing surface is a plane or a conical surface, and the valve clack moves linearly along the central line of fluid. The structure is simple, the manufacture and the maintenance are convenient, the working stroke is small, the opening and closing time is short, the sealing performance is good, the friction force between the sealing surfaces is small, and the service life is long.

But there are some problems in current screw thread gate valve when opening and close, and the hand wheel is rotatory when closing, often can make strength closed at last in order to make sealed effect better, in case too big in force leads to the valve rod in middle part to take place deformation long time and influence normal use easily.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a gate valve is detained to nonrust steel wire to solve because the hand wheel is rotatory when closing, often can make strength closed at last in order to make sealed effect better, in case the too big valve rod that leads to the middle part easily of strength takes place deformation long time and influences the problem of normal use.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a stainless steel wire buckle gate valve structurally comprises: the hand wheel is arranged at a connecting rod at the top of the movable column, the movable column is connected with the valve body through the valve cover at the bottom, and internal threads at the top of the valve body are meshed with external threads at the bottom of the valve cover;

the valve body includes: bottom valve, valve plate, regulation pole, overhead tank, activity chamber, the slotted hole at bottom valve middle part is equipped with the valve plate, valve plate top and regulation pole swing joint, the overhead tank is seted up at the top of bottom valve, and the internal thread of overhead tank and the external screw thread intermeshing of valve bonnet bottom, the activity chamber is seted up in the bottom of overhead tank, and communicates with each other with the bottom valve inner chamber, the connecting rod of adjusting pole and activity post middle part forms a body structure through the welding.

Preferably, the valve plate includes: sealing ring, logical groove, spacing bottom chamber, regulation post, plate body, the sealing ring surface is equipped with the logical groove of run-through type, the bottom at the plate body is seted up to spacing bottom chamber to with the sealing ring nested each other, adjust the post and install at the middle part of plate body, and adjust the post internal thread and adjust the external screw thread intermeshing of pole.

As preferred, the inside activity chamber that is equipped with of activity post, with hand wheel and regulation pole clearance fit, the hand wheel can not go up and down in the time of the rotation, can be better seal up, also can be convenient for open in the time of narrow and small space installation.

Preferably, the surfaces of two sides of the plate body are provided with annular convex edges, the bottom of the plate body is provided with a chamfer, the annular convex edges can improve the strength and the sealing area, the chamfer at the bottom can avoid impurity deposition in the ring body, and impurities can be quickly washed away when the plate body is closed.

Preferably, the two sides of the limiting bottom cavity are provided with grooves for embedding the sealing rings, and the bottom surfaces of the sealing rings are more attached during extrusion.

Preferably, the sealing ring is internally provided with an elastic supporting strip which plays a role in supporting and improving elasticity.

As preferred, the sealing ring surface is the rubber material, and inside lining has the elastic steel wire, can the sealing ring reset fast when opening, and can cushion with the valve body bottom when sealed, improves the resistance, avoids excessively exerting oneself to cause the regulation pole to take place deformation.

Advantageous effects

The utility model relates to a gate valve is buckled to nonrust steel wire has following effect:

this practicality is protected adjusting the pole through installing the seal ring in plate body bottom, can experience the resistance when the hand wheel is rotatory to the bottom, can further cushion when screwing up completely, and sealed effect is better, and along with the valve is closed, impurity can be through leading to the groove bottom of dashing fast, can reduce the bottom and corrode.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the stainless steel wire buckle gate valve of the present invention.

Fig. 2 is a schematic sectional structural view of the valve body of the present invention.

Fig. 3 is a schematic sectional view of the valve plate of the present invention.

Fig. 4 is a schematic axial side structure diagram of the valve plate of the present invention.

In the figure: a hand wheel-1, a movable column-2, a valve body-3, a valve cover-4, a bottom valve-31, a valve plate-32, an adjusting rod-33, a top groove-34, a movable cavity-35, a sealing ring-321, a through groove-322, a limiting bottom cavity-323, an adjusting column-324 and a plate body-325.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution of a stainless steel wire buckle gate valve: the structure includes: the movable column type gas-liquid separator comprises a hand wheel 1, a movable column 2, a valve body 3 and a valve cover 4, wherein the hand wheel 1 is arranged at a connecting rod at the top of the movable column 2, the movable column 2 is connected with the valve body 3 through the valve cover 4 at the bottom, internal threads at the top of the valve body 3 are mutually meshed with external threads at the bottom of the valve cover 4, a movable cavity is arranged inside the movable column 2 and is in clearance fit with the hand wheel 1 and an adjusting rod 33, the hand wheel 1 cannot lift during rotation, sealing can be better performed, and opening can be facilitated during installation in a narrow space;

the valve body 3 includes: the valve comprises a bottom valve 31, a valve plate 32, an adjusting rod 33, a top groove 34 and a movable cavity 35, wherein the valve plate 32 is arranged in a groove hole in the middle of the bottom valve 31, the top of the valve plate 32 is movably connected with the adjusting rod 33, the top groove 34 is formed in the top of the bottom valve 31, an internal thread of the top groove 34 is meshed with an external thread of the bottom of a valve cover 4, the movable cavity 35 is formed in the bottom of the top groove 34 and communicated with an inner cavity of the bottom valve 31, and the adjusting rod 33 and a connecting rod in the middle of a movable column 2 are welded to form an integral structure.

The valve plate 32 includes: sealing ring 321, lead to groove 322, spacing end chamber 323, adjust post 324, plate body 325, sealing ring 321 surface is equipped with through groove 322 of run-through type, spacing end chamber 323 is seted up in plate body 325's bottom, and mutually nest with sealing ring 321, adjust the middle part at plate body 325, and adjust post 324 internal thread and the external screw thread intermeshing of adjusting pole 33, plate body 325 both sides surface is equipped with annular protruding edge, and the bottom is equipped with the chamfer, annular protruding edge can improve intensity and sealed area, the chamfer of bottom can avoid the ring internal impurity deposit, impurity can wash away fast when closing, the both sides of spacing end chamber 323 are equipped with the recess that lets sealing ring 321 embedding, the bottom surface of sealing ring 321 is more laminated during the extrusion, sealing ring 321 surface is the rubber material, and inside is lined with the elastic steel wire, can sealing ring 321 fast reset when opening, and can cushion with the valve body bottom when sealed, improve the resistance, avoid excessively exerting oneself with the power and cause regulation pole 33 to take place to deform, sealing ring 321 is equipped with the elastic support bar, play a support and improve the effect of high elasticity.

This practicality is protected adjusting rod 33 through installing the sealing ring 321 in plate body 325 bottom, can experience the resistance when hand wheel 1 is rotatory to the bottom, can further cushion when screwing up completely, and sealed effect is better, and the bottom can reduce the corruption.

When in use:

the movable column 2 is fixed on the valve cover 4 and is installed on the top of the valve body 3 through the valve cover 4, the hand wheel 1 rotates to drive the movable column 2 to rotate with the rod body connected with the adjusting rod 33, and the external thread on the bottom is meshed with the adjusting column 324 when the adjusting rod 33 rotates to drive the plate body 325 to lift.

Be equipped with spacing bottom chamber 323 in plate body 325 bottom of valve plate 32 and be used for installing sealing ring 321, because the inside elastic strip that is equipped with of sealing ring 321 can increase its support nature, logical groove 322 of sealing ring 321 is higher than the edge of valve plate 32 when valve plate 32 is opened, withdraw gradually when contacting the internal surface of bottom valve 31, along with rivers reduce gradually impurity can be washed through logical groove 322 fast, along with the reinforcing sealing ring of pressure imbeds completely in the spacing bottom chamber 323, and form sealedly to the surface of bottom, can avoid plate body 325 bottom and stereoplasm debris rigid contact to cause surperficial corruption like this.

Due to the resistance of the sealing ring 321, the hand wheel 1 can gradually feel the pressure increase when the adjustment rod 33 rotates, and when the adjustment rod is completely screwed, the reaction force of the sealing ring 321 can cause the surface of the adjustment rod 33 to have too much resistance, so that the rod body is deformed.

The foregoing has described only the basic principles and preferred embodiments of the present invention, and numerous changes and modifications may be made by those skilled in the art in light of the foregoing description and are to be considered within the scope of the invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A stainless steel wire buckle gate valve structurally comprises: hand wheel (1), activity post (2), valve body (3), valve gap (4), its characterized in that:

the hand wheel (1) is arranged at a connecting rod at the top of the movable column (2), the movable column (2) is connected with the valve body (3) through a valve cover (4) at the bottom, and internal threads at the top of the valve body (3) are meshed with external threads at the bottom of the valve cover (4);

the valve body (3) includes: bottom valve (31), valve plate (32), regulation pole (33), overhead tank (34), activity chamber (35), the slotted hole at bottom valve (31) middle part is equipped with valve plate (32), valve plate (32) top and regulation pole (33) swing joint, the top at bottom valve (31) is seted up in overhead tank (34), and the internal thread of overhead tank (34) and the external screw thread intermeshing of valve gap (4) bottom, the bottom at overhead tank (34) is seted up in activity chamber (35), and communicates with each other with bottom valve (31) inner chamber, the connecting rod at regulation pole (33) and activity post (2) middle part forms a body structure through the welding.

2. The stainless steel wire sluice valve of claim 1, wherein: the valve plate (32) includes: sealing ring (321), lead to groove (322), spacing end chamber (323), regulation post (324), plate body (325), sealing ring (321) surface is equipped with through groove (322) of run-through formula, the bottom at plate body (325) is seted up to spacing end chamber (323) to with sealing ring (321) nested each other, adjust post (324) and install the middle part at plate body (325), and adjust post (324) internal thread and the external screw thread intermeshing who adjusts pole (33).

3. The stainless steel wire sluice valve of claim 1, wherein: the movable column (2) is internally provided with a movable cavity which is in clearance fit with the hand wheel (1) and the adjusting rod (33).

4. The stainless steel wire sluice valve of claim 2, wherein: the surface of the two sides of the plate body (325) is provided with an annular convex edge, and the bottom of the plate body is provided with a chamfer angle.

5. The stainless steel wire sluice valve of claim 2, wherein: and grooves for embedding the sealing rings (321) are formed in two sides of the limiting bottom cavity (323).

6. The stainless steel wire sluice valve of claim 2, wherein: and an elastic supporting strip is arranged inside the sealing ring (321).

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