CN219317630U - Butterfly valve with impact-resistant valve plate - Google Patents

Abstract

The utility model belongs to the technical field of butterfly valves, and particularly relates to a butterfly valve with an impact-resistant valve plate, which comprises a valve body and a valve plate, wherein the valve plate is rotatably arranged in an inner cavity of the valve body; the utility model discloses in order to solve current butterfly valve in the in-process of using, the valve plate is fixed through the valve rod, when the emergence valve on the pipeline opens suddenly or when closed, can produce water hammer or air hammer effect in the pipeline, on the impact force will directly transmit the valve plate, the valve plate can take place to rock under the impact force to lead to the leakproofness to become poor, also can cause the problem of injury to the butterfly valve simultaneously.

Description

Butterfly valve with impact-resistant valve plate

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with an impact-resistant valve plate.

Background

Patent search finds that, publication number: CN211371315U discloses a butt clamp formula soft seal butterfly valve of butterfly valve technical field, including the valve body, the through rotation is connected with the valve rod in the valve body, the valve rod is located the valve body inner end and is equipped with the valve plate, valve body lower extreme fixedly connected with lower disk seat, valve rod lower extreme extends to the inside valve body upper end fixedly connected with valve neck of lower disk seat, the valve rod upper end runs through and extends to valve neck upper end and fixedly connected with in last handle one end, go up handle lower extreme fixedly connected with dead lever, the dead lever lower extreme articulates in lower handle upper end, valve neck outside fixedly connected with annular piece, utilize compression spring between upper handle and the lower handle, the accessible manpower is held upper handle and lower handle tightly, drive the fixture block and break away from the draw-in groove, then rotate the upper handle, utilize the rotation of upper handle drive valve rod and valve plate, accessible pointer and scale judge the pivoted angle simultaneously, through annular seal, sealing ring and O type circle, guarantee the leakproofness of valve body, prevent that the inside emergence of valve body is any.

The in-process that current butterfly valve was using, the valve plate was fixed through the valve rod, when the emergence valve on the pipeline was opened suddenly or was closed, can produce water hammer or air hammer effect in the pipeline, on the impact force will directly transmit the valve plate, the valve plate can take place to rock under the effect of impact force to lead to the leakproofness to become poor, also can cause the injury to the butterfly valve simultaneously, for solving above-mentioned problem, propose a butterfly valve of valve plate that shocks resistance in the area in this application.

Disclosure of Invention

Object of the utility model

In order to solve the technical problems in the background art, the utility model provides the butterfly valve with the impact-resistant valve plate, wherein the bottom of the plugging rod can be inserted into the plugging holes on two sides of the top surface of the valve plate, the plugging rod can play a role in limiting the valve plate, the valve plate is prevented from deflecting under the impact action of water flow or air flow, the impact resistance of the valve plate is improved, the impact force generated by a water hammer or an air hammer can be shunted through the conical pressure dividing seat, the impact force is transmitted to the inner wall of a pipeline, and the impact resistance effect of the valve plate in use can be improved.

(II) technical scheme

In order to solve the technical problems, the utility model provides a butterfly valve with an impact-resistant valve plate, which comprises a valve body and a valve plate, wherein the valve plate is rotatably arranged in an inner cavity of the valve body, a fixed seat is integrally formed at two sides of the top of the valve body, a screw rod is inserted in the inner cavity of the fixed seat, the bottom of the screw rod is connected with an inserting rod, the inserting rod is of a two-section structure, a rotating shaft is arranged in the middle of the inserting rod, an inserting hole is formed at a position corresponding to the valve body and the valve plate, the inserting hole is mutually inserted with the inserting rod, the valve body comprises a sealing ring, a valve rod, a limiting fluted disc and a handle, the sealing ring is sleeved on the outer wall surface of the valve plate, the sealing ring is attached to the inner wall of the valve body, the inner cavity of the valve body is inserted through the valve rod, the bottom of the valve rod is in transmission connection with the valve plate, the top of the valve rod is connected with the handle, and the top of the valve body is provided with a limiting fluted disc which is mutually matched with the handle.

Preferably, conical pressure dividing seats are formed on the surfaces of the two sides of the valve plate in a uniform mode.

Preferably, the jack on the surface of the fixing seat is embedded with a sealing sleeve, and the inserting rod is inserted into the sealing sleeve.

Preferably, the top surface of the fixing seat is provided with a pressing plate, and the pressing plate is fixed at the top of the fixing seat through a fixing bolt.

Preferably, the screw rod top threaded connection has the carousel, and the carousel bottom is equipped with the jam nut.

The technical scheme of the utility model has the following beneficial technical effects:

1. according to the utility model, the turntable can push the inserting rod to lift in the inner cavity of the fixed seat under the matching action of the screw threads on the surface of the screw rod through rotating the turntable, wherein the inserting rod is of a two-section structure, the two sections are connected through the rotating shaft, the inserting rod at the lower section is prevented from rotating in the sealing sleeve when the screw rod drives the inserting rod to lift through the rotating shaft, the sealing performance of the connecting position of the inserting rod and the fixed seat can be improved, the bottom of the inserting rod can be inserted into inserting holes at two sides of the top surface of the valve plate, the valve plate can be limited through the inserting rod, the valve plate is prevented from deflecting under the impact action of water flow or air flow, and the impact resistance of the valve plate is improved.

2. When water flow or air flow impacts the conical pressure dividing seat, the conical pressure dividing seat can split the impact force generated by the water hammer or the air hammer, so that the impact force is transmitted to the inner wall of the pipeline, and the impact resistance effect of the valve plate in use can be improved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is a schematic view of a driving structure of a plugging rod according to the present utility model.

Reference numerals:

1. a valve body; 2. a valve plate; 3. a seal ring; 4. a valve stem; 5. a handle; 6. limiting fluted disc; 7. a conical pressure dividing seat; 8. a fixing seat; 9. sealing sleeve; 10. a screw rod; 11. a turntable; 12. a pressing plate; 13. inserting a connecting rod; 14. a rotating shaft; 15. and a plug hole.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

As shown in fig. 1-3, the butterfly valve with the shock-resistant valve plate provided by the utility model comprises a valve body 1 and a valve plate 2, wherein the valve plate 2 is rotatably arranged in an inner cavity of the valve body 1, fixing seats 8 are integrally formed on two sides of the top of the valve body 1, a screw rod 10 is inserted in the inner cavity of the fixing seats 8, the bottom of the screw rod 10 is connected with an inserting rod 13, the inserting rod 13 is of a two-section structure, a rotating shaft 14 is arranged in the middle of the inserting rod 13, inserting holes 15 are formed in positions of the valve body 1, the valve plate 2 and the inserting rod 13, and the inserting holes 15 are mutually inserted with the inserting rod 13.

It should be noted that, through rotating carousel 11, carousel 11 can promote plug rod 13 under the cooperation effect of screw thread on lead screw 10 surface and go up and down at fixing base 8 inner chamber, plug rod 13 is two segmentation structures wherein, connect through pivot 14 between the two segmentation, when lead screw 10 drives plug rod 13 and goes up and down through pivot 14, prevent that plug rod 13 of hypomere from rotating in seal cover 9, can promote the leakproofness of plug rod 13 and fixing base 8 junction, plug rod 13 bottom can be inserted in the spliced eye 15 of valve plate 2 top surface both sides, can play spacing effect to valve plate 2 through plug rod 13, avoid valve plate 2 to deflect under the impact effect of rivers or air current, influence the leakproofness of valve body 1.

In this embodiment, as shown in fig. 1, the tapered pressure-dividing seats 7 are integrally formed on both side surfaces of the valve plate 2.

When the water flow or the air flow impinges on the conical pressure dividing seat 7, the conical pressure dividing seat 7 can split the impact force generated by the water hammer or the air hammer, so that the impact force is transferred to the inner wall of the pipeline, and the impact resistance effect of the valve plate 2 during use can be improved.

In this embodiment, as shown in fig. 2 and 3, the insertion hole on the surface of the fixing seat 8 is embedded with a sealing sleeve 9, and the insertion rod 13 is inserted into the sealing sleeve 9.

The sealing sleeve 9 can seal the joint of the plug rod 13 and the valve body 1.

In this embodiment, as shown in fig. 2 and 3, a pressing plate 12 is disposed on the top surface of the fixing base 8, and the pressing plate 12 is fixed on the top of the fixing base 8 by a fixing bolt.

It should be noted that, the pressing plate 12 is fixed at the top of the fixing seat 8 through a fixing bolt, and the pressing plate 12 can play a limiting role on the sealing sleeve 9 and the screw rod 10.

In this embodiment, as shown in fig. 2 and 3, the top of the screw rod 10 is screwed with a turntable 11, and a lock nut is disposed at the bottom of the turntable 11.

It should be noted that, through rotating carousel 11, carousel 11 can promote plug rod 13 and go up and down in fixing base 8 inner chamber under the cooperation effect of lead screw 10 surface screw thread, through rotatory locknut, the locknut can play spacing effect to lead screw 10.

The valve body 1 comprises a sealing ring 3, a valve rod 4, a limiting fluted disc 6 and a handle 5, wherein the sealing ring 3 is sleeved on the outer wall surface of the valve plate 2, the sealing ring 3 is attached to the inner wall of the valve body 1, the inner cavity of the valve body 1 is penetrated and inserted with the valve rod 4, the bottom of the valve rod 4 is connected with the valve plate 2 in a transmission manner, the top of the valve rod 4 is connected with the handle 5, and the top of the valve body 1 is provided with the limiting fluted disc 6 which is mutually matched with the handle 5.

It should be noted that, the pipeline is connected with the ring flange at valve body 1 both sides, can drive valve rod 4 through handle 5 and drive valve plate 2 and rotate at valve body 1 inner chamber, after valve plate 2 takes place to deflect, can open valve body 1, water liquid or gaseous accessible valve body 1, reverse control handle 5 rotates, accessible valve plate 2 seals valve body 1 inner chamber, valve plate 2 outer wall and valve body 1 inner wall junction are equipped with sealing washer 3, sealing washer 3 cover is established on valve plate 2 surface, can promote the leakproofness of junction between valve plate 2 and valve body 1 through sealing washer 3, spacing tooth on handle 5 is in the same place with spacing fluted disc 6 interlock and can play the effect of location to valve rod 4.

The working principle and the using flow of the utility model are as follows: through rotating carousel 11, carousel 11 can promote the plug rod 13 under the cooperation effect of lead screw 10 surface screw thread and go up and down at fixing base 8 inner chamber, wherein plug rod 13 is two segmentation structures, connect through pivot 14 between the two segmentation, can prevent that plug rod 13 of hypomere from rotating in seal cover 9 when lead screw 10 drives plug rod 13 and go up and down, can promote the leakproofness of plug rod 13 and fixing base 8 junction, plug rod 13 bottom can be inserted in the spliced eye 15 of valve plate 2 top surface both sides, can play spacing effect to valve plate 2 through plug rod 13, avoid valve plate 2 to take place to deflect under the impact effect of rivers or air current, influence the leakproofness of valve body 1.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims (5)

1. The utility model provides a take butterfly valve of valve plate that shocks resistance, includes valve body (1) and valve plate (2), valve plate (2) rotate and establish at valve body (1) inner chamber, its characterized in that, valve body (1) top both sides integrated into one piece has fixing base (8), fixing base (8) inner chamber grafting has lead screw (10), lead screw (10) bottom is connected with spliced pole (13), spliced pole (13) are two segmentation structures, and spliced pole (13) middle part is equipped with pivot (14), valve body (1) and valve plate (2) have seted up spliced eye (15) with spliced pole (13) position corresponding department, spliced eye (15) are pegged graft each other with spliced pole (13);

valve body (1) are including sealing washer (3), valve rod (4), spacing fluted disc (6) and handle (5), sealing washer (3) cover is established at valve plate (2) outer wall surface, and sealing washer (3) are laminated mutually with valve body (1) inner wall, valve body (1) inner chamber runs through the grafting and has valve rod (4), valve rod (4) bottom links to each other with valve plate (2) transmission, valve rod (4) top is connected with handle (5), valve body (1) top is equipped with spacing fluted disc (6), is spacing fluted disc (6) mutually support with handle (5).

2. Butterfly valve with impact-resistant valve plate according to claim 1, characterized in that the two side surfaces of the valve plate (2) are integrally formed with conical pressure-dividing seats (7).

3. The butterfly valve with the impact-resistant valve plate according to claim 1, wherein a sealing sleeve (9) is embedded in a jack on the surface of the fixed seat (8), and the inserting rod (13) is inserted in the sealing sleeve (9).

4. A butterfly valve with an impact valve plate according to claim 3, wherein the top surface of the fixed seat (8) is provided with a pressing plate (12), and the pressing plate (12) is fixed on the top of the fixed seat (8) through a fixing bolt.

5. The butterfly valve with the impact valve plate according to claim 1, wherein the top of the screw rod (10) is in threaded connection with a rotary disc (11), and a lock nut is arranged at the bottom of the rotary disc (11).

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