CN218582267U

CN218582267U - Electric butterfly valve

Info

Publication number: CN218582267U
Application number: CN202222433903.1U
Authority: CN
Inventors: 刘文泉
Original assignee: Yangzhou Yufeng Machinery Equipment Co ltd
Current assignee: Yangzhou Yufeng Machinery Equipment Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-03-07
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to a butterfly valve technical field just discloses an electric butterfly valve, including the flow pipeline, the inside of flow pipeline is provided with the valve plate, and the lateral wall top fixed mounting of flow pipeline has the spliced pole, and the top wall fixed mounting of spliced pole has driving motor, and driving motor's output fixed mounting has the lateral wall that runs through the spliced pole to extend to the inside drive shaft of flow pipeline, the cover has the last roof of sliding connection on the inside wall of spliced pole on the lateral wall of drive shaft, and the top wall of going up the roof has seted up spacing hole, and two locating holes have been seted up to the top wall of going up the roof, and two locating holes all run through the bottom wall of going up the roof, and fixed mounting has the limiting plate on the lateral wall of drive shaft, and the bottom of limiting plate is the pyramid form. The utility model discloses in, the elasticity of positioning bottom plate can promote the roof, makes the limiting plate along with rotating the card in the inside of locating hole, makes the drive shaft can't continue to rotate, blocks the valve plate in fixed position, avoids the valve plate pivoted condition to take place.

Description

Electric butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to an electric butterfly valve.

Background

The prior art CN207777641U provides an electric butterfly valve, which includes an outer ring body, an inner ring body, a sealing ring, a valve rod and a valve plate. When the electric butterfly valve is used, a pipeline to be connected is inserted into the sealing ring, and the distance between the first fixing part and the second fixing part is reduced through the bolt, so that the inner ring body slides along the side wall of the outer ring body, and the sealing ring is extruded, so that the sealing ring seals the pipeline to be connected; meanwhile, when the electric butterfly valve is used for many times, after the seal between the valve plate and the seal ring is degraded, the bolt is screwed down, so that the radial size of the seal ring can be reduced, good seal is formed again, and the service life of the butterfly valve is prolonged.

However, with the above technology, when the flow rate of the fluid in the pipeline is too high, the valve plate is pushed to rotate, so that the valve fails.

To this end, we propose an electric butterfly valve.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide an electric butterfly valve.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, an electric butterfly valve, including the flow pipeline, the inside of flow pipeline is provided with the valve plate, and the lateral wall top fixed mounting of flow pipeline has the spliced pole, and the top wall fixed mounting of spliced pole has driving motor, and driving motor's output fixed mounting has the lateral wall that runs through the spliced pole to extend to the inside drive shaft of flow pipeline, the cover has last roof of sliding connection on the inside wall of spliced pole on the lateral wall of drive shaft, and the top wall of going up the roof has seted up spacing hole, and the top wall of going up the roof has seted up two locating holes, and two locating holes all run through the bottom wall of going up the roof, and fixed mounting has the limiting plate on the lateral wall of drive shaft, and the bottom of limiting plate is the pyramid form, and the inside wall bottom fixed mounting of spliced pole has supporting spring, and supporting spring's top wall fixedly connected with cover is the positioning bottom plate on the lateral wall of drive shaft.

Preferably, the bottom wall surface of the drive shaft is fixedly mounted on the side wall of the valve plate.

Preferably, the two positioning holes are respectively positioned at the positions where the limiting hole rotates ninety degrees and one-hundred-eighty degrees around the central point on the upper top plate.

Preferably, a plurality of fixing holes are formed in the circumference of the inner side wall of the flowing pipeline at equal intervals, and a sealing ring mutually attached to the inner side wall of the flowing pipeline is arranged on the inner side wall of the flowing pipeline.

Preferably, a plurality of positioning columns are fixedly mounted on the sealing ring at equal intervals on one side wall face attached to the inner side wall of the flowing pipeline, and the plurality of positioning columns are clamped in one fixing hole which is close to each other respectively.

Preferably, two pairs of limiting sliding holes are formed in the side wall of the connecting column, two pressing plates are arranged outside the connecting column, the two pressing plates respectively penetrate through the pair of limiting sliding holes approaching to each other, and the bottom wall surfaces of the two pressing plates are attached to the top wall surface of the upper top plate.

Advantageous effects

The utility model provides an electric butterfly valve. The method has the following beneficial effects:

(1) This electric butterfly valve, elasticity through utilizing positioning bottom plate, make positioning bottom plate promote the top plate rebound, make the lateral wall of going up the top plate closely laminate with the bottom of limiting plate, output through driving motor drives the drive shaft and rotates, and limiting plate fixed mounting is on the lateral wall of drive shaft, and go up the inside wall sliding connection of top plate and spliced pole and be in the same place, so the limiting plate can be along with rotating along with the drive shaft rotates at the top of last top plate, the bottom of limiting plate is the pyramid form, so the rotation of limiting plate can make the limiting plate break away from the inside in spacing hole, and the top wall of going up the top plate has seted up two locating holes, positioning bottom plate's elasticity can promote the top plate, make the limiting plate along with rotating the inside at the locating hole, make the drive shaft can't continue to rotate, with the valve plate card in fixed position, avoid the valve plate pivoted condition to take place.

(2) This kind of electric butterfly valve, because the bottom of limiting plate is the terrace with edge form, so when the inside of flow tube has rivers to flow, rivers strike on the lateral wall of valve plate, can lead to the valve plate to open, make the rivers of the inside of flow tube flow, through the position of two locating holes restriction limiting plates, the locating hole that aligns each other with last roof can make the valve plate with flow tube's inside sealed, and the inside flowing of flow tube can't open through making the valve plate on the lateral wall of assaulting the valve plate, avoid the condition of the inside rivers of flow tube to take place.

(3) This electric butterfly valve, through the reference column with the sealing washer card in the inside of flow tube, keep the stability of the position of sealing washer, make the sealing washer can laminate each other with the lateral wall of valve plate, keep the inside leakproofness of flow tube, laminate each other through the top wall with the bottom wall of clamp plate and last roof, the top plate can move down when making to press the clamp plate, makes the limiting plate break away from the inside of locating hole, avoids the limiting plate can't take place from the condition that the inside of locating hole breaks away from.

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, proportion, 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 the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.

FIG. 1 is a cross-sectional view of the electric butterfly valve of the present invention;

FIG. 2 is a front view of the connecting column of the present invention;

fig. 3 is a front view of the driving shaft of the present invention.

Illustration of the drawings:

1. a flow conduit; 2. a fixing hole; 3. a seal ring; 4. a positioning column; 5. a valve plate; 6. connecting columns; 7. a drive motor; 8. a drive shaft; 9. an upper top plate; 91. a limiting hole; 10. positioning holes; 11. a limiting plate; 12. a limiting slide hole; 13. pressing a plate; 14. a support spring; 15. and positioning the bottom plate.

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. 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.

The embodiment is as follows: an electric butterfly valve, as shown in fig. 1-3, comprises a flow pipeline 1, a valve plate 5 is arranged inside the flow pipeline 1, a connecting column 6 is fixedly installed at the top end of the side wall of the flow pipeline 1, a driving motor 7 is fixedly installed on the top wall of the connecting column 6, an output end of the driving motor 7 is fixedly installed with a driving shaft 8 which penetrates through the side wall of the connecting column 6 and extends into the flow pipeline 1, the bottom wall of the driving shaft 8 is fixedly installed on the side wall of the valve plate 5, an upper top plate 9 which is slidably connected to the inner side wall of the connecting column 6 is sleeved on the side wall of the driving shaft 8, a limiting hole 91 is formed in the top wall of the upper top plate 9, two positioning holes 10 are formed in the top wall of the upper top plate 9, the two positioning holes 10 both penetrate through the bottom wall of the upper top plate 9, a limiting plate 11 is fixedly installed on the side wall of the driving shaft 8, and the bottom end of the limiting plate 11 is in a pyramid shape, the bottom end of the inner side wall of the connecting column 6 is fixedly provided with a supporting spring 14, the top wall surface of the supporting spring 14 is fixedly connected with a positioning bottom plate 15 sleeved on the side wall of the driving shaft 8, the positioning bottom plate 15 pushes the upper top plate 9 to move upwards by utilizing the elasticity of the positioning bottom plate 15, the side wall of the upper top plate 9 is tightly attached to the bottom end of the limiting plate 11, the driving shaft 8 is driven to rotate by the output end of the driving motor 7, the limiting plate 11 is fixedly arranged on the side wall of the driving shaft 8, the upper top plate 9 is connected with the inner side wall of the connecting column 6 in a sliding manner, so that the limiting plate 11 can rotate at the top of the upper top plate 9 along with the rotation of the driving shaft 8, the bottom end of the limiting plate 11 is in a pyramid shape, the rotation of the limiting plate 11 can separate the limiting plate 11 from the inside of the limiting hole 91, the top wall surface of the upper top plate 9 is provided with two positioning holes 10, and the elasticity of the positioning bottom plate 15 can push the upper top plate 9, the limiting plate 11 is clamped in the positioning hole 10 along with rotation, so that the driving shaft 8 cannot rotate continuously, and the valve plate 5 is clamped in a fixed position.

Two locating hole 10 is in on the rotatory ninety degrees of central point and the position of one hundred eighty degrees on spacing hole 91 around last roof 9 respectively, because the bottom of limiting plate 11 is the terrace with edge form, so when there is rivers to flow in the inside of flow tube 1, rivers impact on the lateral wall of valve plate 5, can lead to valve plate 5 to open, make the rivers of the inside of flow tube 1 flow, position through two locating hole 10 restriction limiting plate 11, the locating hole 10 of mutually lining up with last roof 9 can make valve plate 5 with the inside seal of flow tube 1, and the unable valve plate 5 that makes on the lateral wall through impact valve plate 5 of the inside flow tube 1 flows opens, avoid the condition emergence of the inside rivers of flow tube 1 to flow.

A plurality of fixed orificess 2 have been seted up to the inside wall circumference equidistance of flow tube 1, flow tube 1's inside wall is provided with the sealing washer 3 of laminating each other with flow tube 1 inside wall, a lateral wall equidistance fixed mounting who laminates each other with flow tube 1's inside wall on the sealing washer 3 has a plurality of reference columns 4, a plurality of reference columns 4 block respectively in the inside of a fixed orifices 2 that approaches each other, block sealing washer 3 in flow tube 1's inside through reference column 4, the stability of the position of keeping sealing washer 3, make sealing washer 3 can laminate each other with the lateral wall of valve plate 5, keep the inside leakproofness of flow tube 1.

Offer two pairs of spacing slide opening 12 on the lateral wall of spliced pole 6, the outside of spliced pole 6 is provided with two clamp plates 13, two clamp plates 13 run through a pair of spacing slide opening 12 that approaches mutually respectively, the bottom wall of two clamp plates 13 all laminates with the top wall of last roof 9 each other, laminate each other through the bottom wall with clamp plate 13 and the top wall of last roof 9, it can downstream to go up roof 9 when making to press clamp plate 13, make limiting plate 11 break away from the inside of locating hole 10, avoid limiting plate 11 can't take place from the condition that the inside of locating hole 10 breaks away from.

The utility model discloses a theory of operation:

when using, through the elasticity that utilizes positioning bottom plate 15, make positioning bottom plate 15 promote roof 9 rebound, make the lateral wall of roof 9 closely laminate with the bottom of limiting plate 11, output through driving motor 7 drives drive shaft 8 and rotates, and limiting plate 11 fixed mounting is on the lateral wall of drive shaft 8, and the inside wall sliding connection who goes up roof 9 and spliced pole 6 is in the same place, so limiting plate 11 can rotate at the top of roof 9 along with the rotation of drive shaft 8, the bottom of limiting plate 11 is the pyramid form, so the rotation of limiting plate 11 can make limiting plate 11 break away from the inside of spacing hole 91, and two locating holes 10 have been seted up to the top wall of last roof 9, positioning bottom plate 15's elasticity can promote roof 9, make limiting plate 11 block in the inside of locating hole 10 along with rotating, make drive shaft 8 unable continuation rotation, block valve plate 5 in fixed position, avoid valve plate 5 pivoted circumstances to take place.

When using, because the bottom of limiting plate 11 is the terrace with edge form, so when the inside of flow pipeline 1 has rivers to flow, rivers impact on the lateral wall of valve plate 5, can lead to valve plate 5 to open, make the inside rivers of flow pipeline 1 flow, through the position of two locating holes 10 restriction limiting plate 11, the locating hole 10 of mutually lining with last roof 9 can make valve plate 5 seal the inside of flow pipeline 1, and the inside flowing of flow pipeline 1 can't open valve plate 5 through on the lateral wall of impact valve plate 5, avoid the condition emergence of the inside rivers of flow pipeline 1 to flow.

When using, block sealing washer 3 in the inside of flow pipeline 1 through reference column 4, keep the stability of the position of sealing washer 3, make sealing washer 3 can laminate each other with the lateral wall of valve plate 5, keep the inside leakproofness of flow pipeline 1, laminate each other through the top wall with the bottom wall of clamp plate 13 and last roof 9, it can move down to go up roof 9 when making pressing down clamp plate 13, make limiting plate 11 break away from the inside of locating hole 10, avoid the unable condition that breaks away from the inside of locating hole 10 of limiting plate 11 to take place.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electric butterfly valve, includes flow pipeline (1), the inside of flow pipeline (1) is provided with valve plate (5), the lateral wall top fixed mounting of flow pipeline (1) has spliced pole (6), the top wall fixed mounting of spliced pole (6) has driving motor (7), the output fixed mounting of driving motor (7) has the lateral wall that runs through spliced pole (6) to extend to flow pipeline (1) inside drive shaft (8), its characterized in that: the cover has last roof (9) on the inside wall of spliced pole (6) of sliding connection on the lateral wall of drive shaft (8), spacing hole (91) have been seted up to the top wall of going up roof (9), two locating holes (10) have been seted up to the top wall of going up roof (9), and the bottom wall of roof (9) has all been run through in two locating holes (10), fixed mounting has limiting plate (11) on the lateral wall of drive shaft (8), the bottom of limiting plate (11) is the pyramid form, the inside wall bottom fixed mounting of spliced pole (6) has supporting spring (14), the top wall fixedly connected with cover of supporting spring (14) is at positioning bottom plate (15) on the lateral wall of drive shaft (8).

2. An electric butterfly valve according to claim 1, characterized in that: and the bottom wall surface of the driving shaft (8) is fixedly arranged on the side wall of the valve plate (5).

3. An electric butterfly valve according to claim 1, characterized in that: the two positioning holes (10) are respectively positioned at the positions where the limiting holes (91) rotate ninety degrees and one-hundred-eighty degrees around the central point on the upper top plate (9).

4. An electric butterfly valve according to claim 1, characterized in that: a plurality of fixed orificess (2) have been seted up to the inside wall circumference equidistance of flow pipeline (1), and the inside wall of flow pipeline (1) is provided with sealing washer (3) of laminating each other with flow pipeline (1) inside wall.

5. An electric butterfly valve according to claim 4, characterized in that: a plurality of positioning columns (4) are fixedly mounted on the sealing ring (3) at intervals of a side wall surface which is mutually attached to the inner side wall of the flowing pipeline (1), and the plurality of positioning columns (4) are clamped inside one fixing hole (2) which approaches to each other respectively.

6. An electric butterfly valve according to claim 1, characterized in that: two pairs of limiting slide holes (12) are formed in the side wall of the connecting column (6), two pressing plates (13) are arranged outside the connecting column (6), the two pressing plates (13) penetrate through the pair of limiting slide holes (12) approaching to each other respectively, and the bottom wall surfaces of the two pressing plates (13) are attached to the top wall surface of the upper top plate (9) mutually.