CN211738060U

CN211738060U - Louver valve device

Info

Publication number: CN211738060U
Application number: CN202020023437.8U
Authority: CN
Inventors: 张伟明; 汪军兴
Original assignee: Shanghai Shengjian Environmental System Technology Co ltd
Current assignee: Shanghai Shengjian Technology Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-10-23
Anticipated expiration: 2030-01-06

Abstract

The utility model relates to the technical field of valves, especially, relate to a tripe valve device, tripe valve device includes tripe valve blade structure, tripe valve blade structure is including a plurality of pivots that are parallel to each other, all be equipped with the blade in each pivot, the blade is rotatory around the pivot, one side that adjacent blade is close to mutually is equipped with the kink, the kink includes the tip, adjacent blade passes through tip overlap joint of each other, all be equipped with a plurality of through-holes on each tip, tripe valve blade structure still includes a plurality of and each tip matched with sealing member, the sealing member is full of in each through-hole and the cladding in the surface of tip. The end part of the bending part of the louver valve is provided with a plurality of through holes, and the sealing element is filled in the through holes and coated on the surface of the end part, so that the engagement strength between the end part and the sealing element can be increased. When two adjacent blades are in a completely closed state, the ends of the two adjacent blades covered by the sealing element are tightly overlapped, so that the effect of complete sealing is achieved.

Description

Louver valve device

Technical Field

The utility model relates to the technical field of valves, especially, relate to a tripe valve gear.

Background

The shutter valve can be used as ventilation and regulation equipment on the ventilation and dust removal pipeline. The dust removal device is mainly suitable for ventilation and dust removal and environmental protection in industries such as metallurgy, mine, cement, chemical industry, power generation and the like, and has the characteristics of light weight, small flow resistance, simple structure, flexible starting and the like. Fig. 1 and 2 are schematic structural views of a louver valve device in the prior art, the louver valve device includes a housing 1 'and a louver valve blade structure 2' located in an inner cavity of the housing 1', the louver valve blade structure 2' includes a plurality of rotating shafts 21', and each rotating shaft 21' is provided with a blade 22 'rotating around the rotating shaft 21'. As shown in fig. 2, the adjacent leaf 22' of the louver valve device shown in fig. 1 is in an open state, and the adjacent leaf 22' of the louver valve device shown in fig. 2 is in a closed state, it can be seen that the gap between the portions where the adjacent leaves 22' are fastened is too large in the structure of the louver valve in the prior art, which seriously affects the sealing effect of the whole louver valve.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art, an object of the present invention is to provide a louver valve device to solve the problem of poor sealing effect of the louver valve in the prior art.

In order to achieve the above and other related objects, an embodiment of the present invention provides a louver valve device, including louver valve blade structure, louver valve blade structure includes a plurality of pivots that are parallel to each other, all be equipped with the blade in each pivot, the blade is rotatory around the pivot, one side that adjacent blade is close to mutually is equipped with the kink, the kink includes the tip, adjacent blade passes through the overlap joint of tip each other, all be equipped with a plurality of through-holes on each tip, louver valve blade structure still includes a plurality of and each tip matched with sealing member, the sealing member is full of in each through-hole and the surface of cladding in the tip.

Through the tip cladding sealing member at the blade, can increase the leakproofness when adjacent blade is closed, add the through-hole at the kink of blade simultaneously, the sealing material that the sealing member used can extend into in the through-hole at the cladding in-process to be full of the through-hole, can increase the interlock intensity between tip and the sealing member.

The utility model discloses an in some embodiments, still include the casing, the louver valve blade structure is located the casing inner chamber, and the inner wall of casing is provided with overlap joint portion, and the one end and the cooperation of overlap joint portion of the blade that are close to shells inner wall. The sealing performance of the blade close to the inner wall of the shell and the lap joint part can be ensured.

In some embodiments of the present invention, each of the bent portions is a V-shaped groove, and the opening directions of the V-shaped grooves of the bent portions are opposite to each other. The V-shaped openings are opposite in direction, so that the end parts of the V-shaped grooves of the adjacent blades can be better matched.

In some embodiments of the invention, the through holes are evenly distributed at the end. The design can ensure that the contact force between the end part and the sealing element is more uniform through the through holes which are uniformly distributed, and the combination is firmer.

In some embodiments of the present invention, the porosity of the bent portion is 2% to 3%. The porosity of the bending part is distributed between 2% and 3%, so that the proportion of through holes around the end part can be ensured, and the combination firmness between the end part and the sealing element is further ensured. Generally, if the porosity of the bent portion is less than 2%, the number of through holes distributed on the bent portion is small, which may result in an insufficient strength of the joint between the end portion and the sealing member. If the porosity of the bent portion is greater than 3%, the number of through holes distributed in the bent portion is large, which may result in insufficient rigidity of the bent portion.

In some embodiments of the present invention, the shape of the through hole is one or a combination of square, rectangle, circle and five-pointed star. The shape of the through hole is set into a plurality of common shapes, so that the processing is convenient.

In some embodiments of the present invention, the cross-sectional area of the through-hole is 5cm²～15cm². The cross-sectional area of the through-hole is 5cm²～15cm²Within the range that the sealing member can be well filled in the through hole to increase the contact force of the end part and the sealing member. In general, if the cross-sectional area of the through-hole is larger than 15cm²This can result in easy demolding of the seal. If the cross-sectional area of the through-hole is less than 5cm²It may result in insufficient contact force of the seal with the end, so thatThe seal is not bonded to the end sufficiently firmly.

In some embodiments of the present invention, the surface of the sealing member is coated with an anti-corrosion layer. The anticorrosive coating can prevent that the sealing member from being corroded, prolongs the life of sealing member.

In some embodiments of the present invention, the surface of the sealing member is coated with a waterproof layer. The waterproof layer can prevent that steam from attaching to the sealing member surface and causing the sealing member to drop to the life of extension sealing member.

In some embodiments of the present invention, the seal is a rubber seal. The material of rubber sealing member is rubber, and the through-hole can be well filled with and cladding in the tip surface to the melting rubber in the course of working, makes tip and sealing member become an organic whole structure, further increases the interlock intensity of tip and sealing member.

The technical scheme has the following technical effects:

the end part of the bending part of the louver valve is provided with a plurality of through holes, and the sealing element is filled in the through holes and coated on the surface of the end part, so that the engagement strength between the end part and the sealing element can be increased. When two adjacent blades are in a completely closed state, the ends of the two adjacent blades covered by the sealing element are tightly overlapped, so that the effect of complete sealing is achieved.

Drawings

Fig. 1 is a schematic sectional view showing an opened state of a louver valve blade according to the prior art.

Fig. 2 is a schematic cross-sectional view illustrating a closed state of a vane of a related art louver valve.

Fig. 3 is a schematic sectional view of a louver valve device according to an embodiment of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic sectional view of a blade according to a first embodiment of the present invention.

Fig. 6 is a schematic sectional view of a blade according to a second embodiment of the present invention.

Fig. 7 is a schematic sectional view of a blade according to a third embodiment of the present invention.

Fig. 8 is a schematic view of the blade deployment structure in the first embodiment of the present invention.

Fig. 9 is a schematic view of a blade deployment structure in a second embodiment of the present invention.

Fig. 10 is a schematic view of a blade deployment structure in a third embodiment of the present invention.

Fig. 11 is a schematic view of the structure of the through hole on the first, second and third embodiments of the blade of the present invention.

Element numbers in prior art fig. 1-2:

1' shell

Blade structure of 2' shutter valve

21' rotating shaft

22' blade

The utility model discloses the component label in figure 3 ~ 11:

1 casing

11 lap joint part

Blade structure of 2-shutter valve

21 rotating shaft

22 blade

23 bending part

231 end portion

24 through hole

25 seal

Detailed Description

In the description of the present invention, it should be noted that the structure, ratio, size, etc. shown in the attached drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by the people familiar with the technology, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the substantial technical significance, and the modification of any structure, the change of the ratio relationship or the adjustment of the size should still fall within the range that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that can be achieved. While the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 3, the embodiment of the present invention provides a louver valve device, including louver valve blade structure 2, louver valve blade structure 2 includes a plurality of pivots 21 that are parallel to each other, all be equipped with blade 22 in each pivot 21, blade 22 is rotatory around pivot 21, one side that adjacent blade 22 is close to mutually is equipped with kink 23 as shown in fig. 4, it sets up to be central symmetry between kink 23 of adjacent blade 22, kink 23 includes tip 231, adjacent blade 22 passes through tip 231 overlap joint of each other, all be equipped with a plurality of through-holes 24 on each tip 231, louver valve blade structure 2 still includes a plurality of and each tip 231 matched with sealing member 25, sealing member 25 is full of in each through-hole 24 and the surface of cladding in tip 231. Typically, the sealing members 25 include a first sealing layer and a second sealing layer, each sealing member 25 extending into a corresponding through hole 24 to form the first sealing layer, the second sealing layer being respectively disposed on the upper and lower surfaces of the end portion 231 and connected to form an integral structure by the first sealing layer.

In use of the louvre valve assembly, each vane 22 is rotatable circumferentially about a respective axis of rotation 21, the louvre valve being closed when a vane 22 is rotated into overlapping relationship with an adjacent vane 22 and being opened when a vane 22 is rotated into angular relationship with an adjacent vane 22. The end 231 of the edge of the blade 22 is coated with the sealing element 25, so that the sealing performance of the adjacent blade 22 can be improved when the blade 22 is closed, meanwhile, the through hole 24 is additionally arranged at the bent part 23 of the blade 22, the sealing material used by the sealing element 25 extends into the through hole 24 in the coating process and fills the through hole 24, and the engagement strength between the end 231 and the sealing element 25 can be improved. The utility model discloses a design can make sealing member 25 need not reuse fix such as rivet or screw, consequently can guarantee the roughness after tip 231 is wrapped by sealing member 25. If the sealing member 25 is directly fixed by rivets or screws, the end 231 of the edge of the blade 22 may be uneven, which has an effect on the overall sealing effect.

As shown in fig. 3, the louver valve device further includes a housing 1, and a louver valve blade structure 2 is located in an inner cavity of the housing 1, wherein the inner cavity of the housing 1 has a rectangular or circular cross-section, and the material of the housing 1 may be various materials known to those skilled in the art. The inner wall of the casing 1 is provided with a lap 11, and one end of the vane 22 close to the inner wall of the casing 1 is engaged with the lap 11. In a specific embodiment, the configuration of the overlapping portion 11 is a planar structure disposed perpendicular to the inner wall of the casing 1, and the configuration of the end of the vane 22 close to the inner wall of the casing 1 is a planar structure matched with the overlapping portion 11. The sealing performance of the vane 22 close to the inner wall of the casing 1 and the lap 11 can be ensured by the cooperation of one end of the vane 22 close to the inner wall of the casing 1 and the lap 11.

In the embodiment shown in fig. 5-7, each bent portion 23 is a V-shaped groove formed by bending one or both edges of the blade 22 at a certain angle during machining. When the bent portion 23 adopts a V-shaped groove structure, the V-shaped openings of the bent portions 23 are opposite. The opposite orientation of the V-shaped openings ensures a better fit of the ends 231 of the V-shaped grooves of adjacent blades 22.

In the preferred embodiment of the present invention, the through holes 24 are uniformly distributed at the end 231. The above design can make the contact force between the end 231 and the sealing member 25 more uniform through the uniformly distributed through holes 24, and the bonding is more firm.

Specifically, the embodiment shown in fig. 8 is a schematic view of an unfolded structure of the blade 22a of the first embodiment, and the unfolded structure shows a structure of the blade 22a before being bent, in a manufacturing process of the blade 22a, at least one row of through holes 24 are uniformly formed at one end of the blade 22a, and then bending is performed to form a bent portion 23, and the other end of the blade 22a may not be bent, or the other end of the blade 22a may be bent into an L shape. The bent blade 22a is structured as shown in fig. 5, the through holes 24 are all located on the end 231 of the bent portion 23, and the through holes 24 are evenly distributed on the end 231. The vane 22a of fig. 5 is adapted to overlap the end 231 of the adjacent vane 22 and the overlapping portion 11 of the inner wall on one side (left side) of the casing 1.

Fig. 9 is a schematic diagram of an expanded structure of a blade 22b according to a second embodiment, where the expanded structure shows a structure of the blade 22b before being bent, in a manufacturing process of the blade 22b according to the second embodiment, at least one row of through holes 24 are uniformly formed at two ends of the blade 22b, and then the through holes are bent to form bent portions 23, respectively, bending directions of the bent portions 23 at the two ends of the blade 22b are opposite, and the bent blade 22b is structured as shown in fig. 6, where the through holes 24 are located at end portions 231 of the bent portions 23, and the through holes 24 are uniformly distributed at the end portions 231. The vane 22b of fig. 6 is adapted to overlap the ends 231 of two adjacent vanes 22, respectively.

The embodiment shown in fig. 10 is a schematic view of an unfolded structure of a blade 22c of the third embodiment, where the unfolded structure shows a structure of the blade 22c before being bent, in a manufacturing process of the blade 22c of the third embodiment, at least one row of through holes 24 are uniformly formed in the edge of the other side of the blade 22c, and then bending is performed to form a bent portion 23, the other end of the blade 22c may not be bent, or the other end of the blade 22c is bent into an L shape, the structure of the bent blade 22c is shown in fig. 7, the through holes 24 are all located at an end 231 of the bent portion 23, and the through holes 24 are uniformly distributed at the end 231. The vane 22c of fig. 7 is adapted to overlap the end 231 of the adjacent vane 22 and the overlapping portion 11 of the other side (right side) edge of the casing 1.

Further, the porosity of the bent portion 23 may be adjusted according to the structure of the blade 22, and in some embodiments, the porosity of the bent portion 23 is 2% to 3%. The porosity is a ratio of the through holes 25 in the bent portion 23 per unit volume. The porosity of the bent portion 23 is distributed between 2% and 3%, so that the ratio of the through holes 24 around the end 231 can be ensured, and the bonding firmness between the end 231 and the sealing member 25 can be further ensured. In general, if the porosity of the bent portion 23 is less than 2%, the number of the through holes 24 distributed on the bent portion 23 is small, which may result in an insufficient strength of the joint between the end 231 and the sealing member 25. If the porosity of the bent portion 23 is greater than 3%, the number of through holes 24 distributed in the bent portion 23 is large, which results in insufficient rigidity of the bent portion 23.

Further, the shape of the through hole 24 may be various shapes known to those skilled in the art, and in some embodiments, the shape of the through hole 24 is one or more of a square, a rectangle, a circle, and a pentagram. The through holes 24 are formed in several conventional shapes to facilitate machining. In one embodiment, as shown in FIG. 11, the through-hole 24 is shaped as a pentagon.

Further, the cross-sectional area of the through-hole 24 may be adjusted according to the structure of the blade 22, and in some embodiments, the cross-sectional area of the through-hole 24 is 5cm²～15cm²Specifically, the cross-sectional area of the through-hole 24 may be, for example, 6cm²～14cm²、7cm²～13cm²、8cm²～12cm²Or 9cm²～11cm². The cross-sectional area of the through-hole 24 is 5cm²～15cm²It is within a range that the sealing member 25 is well filled in the through hole 24 to increase the contact force of the end 231 with the sealing member 25. In general, if the cross-sectional area of the through-hole 24 is larger than 15cm²This may result in easy demolding of the seal 25. If the cross-sectional area of the through-hole 24 is less than 5cm²This may result in insufficient contact force between the sealing member 25 and the end 231, so that the sealing member 25 is not firmly bonded to the end 231And (7) fixing.

The embodiment of the utility model provides an among the tripe valve device, the surface coating of sealing member 25 has the anticorrosive coating. The corrosion protection layer may be formed by coating a layer of corrosion protection material on the sealing member 25, wherein the corrosion protection material is any of various corrosion protection materials known in the art and applicable to the sealing member 25. The corrosion-resistant layer can prevent the sealing element 25 from being corroded, and the service life of the sealing element 25 is prolonged.

The embodiment of the utility model provides an among the tripe valve device, the surface coating of sealing member 25 has the waterproof layer. The waterproof layer may be prepared, for example, by coating the sealing member 25 with a waterproof material, wherein the waterproof material is known in the art and may be used for the sealing member 25. The waterproof layer can prevent moisture from adhering to the surface of the sealing member 25 to cause the sealing member 25 to fall off, thereby prolonging the service life of the sealing member 25.

In a preferred embodiment, the surfaces of the sealing member 25 may be coated with an anti-corrosion layer and a waterproof layer, respectively. The coating sequence of the anticorrosive layer and the waterproof layer is not divided. The sealing element 25 can have the functions of corrosion prevention and water prevention at the same time, and the service life of the sealing element is prolonged.

The embodiment of the utility model provides an among the tripe valve device, sealing member 25 is rubber seal. The material of the rubber sealing element is rubber, and molten rubber can well fill the through hole 24 and cover the surface of the end 231 in the processing process, so that the end 231 and the sealing element 25 are integrated, and the engagement strength of the end 231 and the sealing element 25 is further increased.

To sum up, the embodiment of the present invention provides a louver valve, end 231 at louver valve kink 23 is equipped with a plurality of through-holes 24 to be full of in a plurality of through-holes 24 and the cladding on the surface of end 231 through sealing member 25, can increase the interlock intensity between end 231 and the sealing member 25. When two adjacent blades 22 are in a fully closed state, the ends 231 of the adjacent blades 22 covered by the sealing element 25 are tightly overlapped, so that a complete sealing effect is achieved.

To sum up, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The louver valve device is characterized by comprising a louver valve blade structure (2), wherein the louver valve blade structure (2) comprises a plurality of rotating shafts (21) which are parallel to each other, each rotating shaft (21) is provided with a blade (22), each blade (22) rotates around the corresponding rotating shaft (21), one side, close to each other, of each adjacent blade (22) is provided with a bending part (23), each bending part (23) comprises an end part (231), each adjacent blade (22) is mutually overlapped through the end parts (231), each end part (231) is provided with a plurality of through holes (24), the louver valve blade structure (2) further comprises a plurality of sealing pieces (25) matched with the end parts (231), and the sealing pieces (25) are filled in the through holes (24) and cover the surfaces of the end parts (231).

2. Shutter valve device according to claim 1, further comprising a casing (1), said shutter vane structure (2) being located in an inner cavity of said casing (1), the inner wall of said casing (1) being provided with a lap (11), one end of said vane (22) close to the inner wall of said casing (1) cooperating with said lap (11).

3. A shutter valve device according to claim 1, characterized in that each of said bent portions (23) is a V-shaped groove, and the V-shaped openings of the overlapped bent portions (23) are in opposite directions.

4. Shutter valve device according to claim 1, characterized in that each of said through holes (24) is uniformly distributed on said end portion (231).

5. Shutter valve device according to claim 1, characterized in that the porosity of said bent portion (23) is comprised between 2% and 3%.

6. Shutter valve device according to claim 1, characterized in that said through holes (24) have a shape of one or a combination of more of a square, a rectangle, a circle, a pentagram.

7. Shutter valve device according to claim 1, characterized in that the cross-section of said through holes (24) is 5cm²～15cm²。

8. Shutter valve device according to claim 1, characterized in that the surface of said seal (25) is coated with a corrosion-resistant layer.

9. Shutter valve device according to claim 1, characterized in that the surface of said seal (25) is coated with a water-proof layer.

10. Shutter valve device according to claim 1, characterized in that said seal (25) is a rubber seal.