阅读说明：本技术 一种外置密封件的分料阀及分料阀密封件更换方法 (Material distributing valve with external sealing element and method for replacing sealing element of material distributing valve ) 是由 杨乔生 方誌 董卫良 于 2020-11-20 设计创作，主要内容包括：本发明涉及分料阀技术领域,特别涉及一种外置密封件的分料阀及分料阀密封件更换方法。该分料阀包括阀体、阀板、密封件、压板,所述阀体上开设有长型孔,长型孔对应阀板在封闭出料口的两侧边位置,密封件包括嵌入条、缓冲板,嵌入条由长型孔置入并相对阀体内壁向内凸出,使阀板侧边至阀体内壁的间隙被封闭,压板与阀体锁紧连接,使密封件的缓冲板处于压板与阀体外壁面之间被压紧。通过外置密封件极大降低了更换密封件的难度,且更换速度快,避免影响设备正常工作；压板、轴承座设置于阀体外部,使阀体内部件少,避免了积料问题；密封件为一体成型的嵌入条及缓冲板形成,两者之间连接性高,不易损坏,使用寿命长。(The invention relates to the technical field of distributing valves, in particular to a distributing valve with an external sealing element and a method for replacing the sealing element of the distributing valve. The material distributing valve comprises a valve body, a valve plate, a sealing element and a pressing plate, wherein a long hole is formed in the valve body and corresponds to the position of the two side edges of the valve plate at a closed discharge port, the sealing element comprises an embedding strip and a buffering plate, the embedding strip is placed into the long hole and protrudes inwards relative to the inner wall of the valve body, a gap from the side edge of the valve plate to the inner wall of the valve body is sealed, the pressing plate is connected with the valve body in a locking mode, and the buffering plate of the sealing element is located between the pressing plate and the outer wall surface of the valve. The difficulty of replacing the sealing element is greatly reduced through the external sealing element, the replacing speed is high, and the normal work of equipment is prevented from being influenced; the pressing plate and the bearing seat are arranged outside the valve body, so that the number of parts in the valve body is reduced, and the problem of material accumulation is avoided; the sealing member is formed by the integrally formed embedding strip and the buffer plate, the connection between the embedding strip and the buffer plate is high, the sealing member is not easy to damage, and the service life is long.)

1. The utility model provides an external sealing member's depiler valve, includes valve body, valve plate, the valve body is equipped with feed inlet and a plurality of discharge gate, and the valve plate is mobilizable to be used for the switching discharge gate in locating the valve body, its characterized in that: the valve body is provided with a long hole penetrating through the side wall, the long hole corresponds to the side edge position of the valve plate in a state of sealing the discharge port, the sealing element comprises an embedding strip and a buffer plate, the embedding strip is arranged in a protruding mode through one side of the buffer plate, the buffer plate is attached to the outer wall face of the valve body, the embedding strip is arranged in the long hole and protrudes inwards relative to the inner wall of the valve body, then the valve plate is enabled to be in a state of sealing the discharge port, a gap from the side edge of the valve plate to the inner wall of the valve body is sealed, the pressure plate is connected with the valve body in a locking mode, and the buffer plate of the sealing element is located between the pressure.

2. The dispensing valve of external sealing member as claimed in claim 1, wherein: the sealing member is made of an elastomer material, and the embedding strip and the buffer plate are integrally formed.

3. The dispensing valve of external sealing member as claimed in claim 1, wherein: the utility model discloses a valve body, including the clamp plate, the clamp plate is installed the back and is covered in with the buffer board of the two sets of sealing members of this side, the clamp plate has dull and stereotyped structure, the outer wall of valve body both sides is planar structure, and the two sides of buffer board closely laminates with clamp plate and the outer wall of valve body respectively.

4. The dispensing valve of external sealing member as claimed in claim 1, wherein: the discharge gate is equipped with two, including first discharge gate and second discharge gate, the valve plate is rotatable to be located in the valve body to select to seal first discharge gate or second discharge gate through rotating, the long type hole is equipped with four, and four long type holes correspond the valve plate and seal the both sides limit position of first discharge gate or second discharge gate department valve plate.

5. The dispensing valve of external sealing member as defined in claim 4, wherein: the two pressing plates are respectively and correspondingly arranged on two sides of the valve body, one pressing plate can simultaneously correspond to the two side sealing pieces, and the buffer plates of the two side sealing pieces are positioned between the pressing plates and the outer wall surface of the valve body and are compressed.

6. The dispensing valve of external sealing member as claimed in claim 1, wherein: the pressure plate is provided with a plurality of through holes, the wall surface of the valve body is correspondingly provided with a plurality of screw holes, and the bolt penetrates through the through holes and then is locked with the screw holes.

7. The dispensing valve of external sealing member as claimed in claim 1, wherein: the valve plate is characterized by further comprising two bearing seats, the two side walls of the valve body are provided with shaft holes which are correspondingly arranged, the two bearing seats are respectively installed on the outer wall surface of the valve body corresponding to the positions of the two shaft holes, the valve plate comprises a rotating shaft, and the two ends of the rotating shaft are respectively connected with the bearing seats after penetrating out of the shaft holes in the two sides.

8. A method for replacing a sealing member of a dispensing valve, wherein the dispensing valve based on the external sealing member of any one of claims 1 to 7 comprises

Mounting, namely placing each sealing element at a position corresponding to each long hole formed in the valve body, namely placing the embedding strip into each long hole until the surface of the buffer plate is attached to the outer wall surface of the valve body, wherein the embedding strip protrudes inwards relative to the inner wall of the valve body, and the protruding part can fill and seal a gap between the side edge of the valve plate and the inner wall surface of the valve body when the valve plate rotates to a position corresponding to a closed discharge hole; the pressure plates are respectively arranged at the outer sides of the valve body, namely the pressure plates cover the buffer plates of the side sealing elements, one side of each buffer plate is attached to the pressure plate, and each bolt is screwed to enable the buffer plates of the side sealing elements to be positioned between the pressure plates and the outer wall surface of the valve body and to be compressed and positioned;

and a disassembling step, namely unscrewing the bolts to take down the two pressure plates, and then taking down each sealing element.

9. The method of claim 8, wherein the method comprises the steps of: in the installation step, because the sealing member is made by elastomer material, consequently correspond the clamp plate and the valve body is connected the bolt locking dynamics is big more, then the buffer board is compressed degree more, and then improves the extrusion force of embedding strip to the valve plate, otherwise locking force is little, then the buffer board is compressed degree less, and the extrusion force of embedding strip to the valve plate reduces.

Technical Field

The invention relates to the technical field of distributing valves, in particular to a distributing valve with an external sealing element and a method for replacing the sealing element of the distributing valve.

Background

With the continuous improvement of engineering quality, environmental protection requirements and civilized construction requirements, the defects and limitations of mortar mixing on construction sites are more and more prominent, and dry-mixed mortar is favored by more and more people due to the advantages of technical performance, social benefits and the like.

At present, the finished products of the dry-mixed mortar are various, the factors such as equipment cost and the like are considered, and most dry-mixed mortar manufacturers produce different types of dry-mixed mortar by using the same mixer through the adjustment of production formulas. In the formula and finished product conveying, the conveying direction of materials is controlled by a distributing valve of the existing conveying equipment, the distributing valve changes the discharging direction through a reversible valve plate mechanism, and in order to reduce the situations of blanking and material mixing, the distributing valve is provided with sealing strips made of flexible materials such as rubber and the like at corresponding positions on the edge of a valve plate or in a valve body, so that structures such as a mounting bracket and the like are correspondingly arranged to connect the sealing strips with the inner wall of the valve plate or the valve body; meanwhile, the mounting bracket and other structures can form dead angle spaces in the distributing valve, so that the problem of material accumulation is generated in the distributing valve, and the normal operation of production work can be influenced to a certain extent.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the distributing valve with the external sealing element and the method for replacing the sealing element of the distributing valve, wherein the sealing element is easy to replace and maintain.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides an external sealing member's depiler valve, includes valve body, valve plate, the valve body is equipped with feed inlet and a plurality of discharge gate, and the valve plate is mobilizable to be used for the switching discharge gate in locating the valve body, its characterized in that: the valve body is provided with a long hole penetrating through the side wall, the long hole corresponds to the side edge position of the valve plate in a state of sealing the discharge port, the sealing element comprises an embedding strip and a buffer plate, the embedding strip is arranged in a protruding mode through one side of the buffer plate, the buffer plate is attached to the outer wall face of the valve body, the embedding strip is arranged in the long hole and protrudes inwards relative to the inner wall of the valve body, then the valve plate is enabled to be in a state of sealing the discharge port, a gap from the side edge of the valve plate to the inner wall of the valve body is sealed, the pressure plate is connected with the valve body in a locking mode, and the buffer plate of the sealing element is located between the pressure.

Furthermore, the sealing element is made of an elastomer material, and the embedding strip and the buffer plate are integrally formed.

Further, the pressure plate covers the interior with the buffer board of the two sets of sealing members of this side after the installation, the pressure plate has the flat structure, the outer wall of valve body both sides is planar structure, and the two sides of buffer board closely laminates with pressure plate and the outer wall of valve body respectively.

Further, the discharge gate is equipped with two, including first discharge gate and second discharge gate, the valve plate is rotatable to be located in the valve body to select to seal first discharge gate or second discharge gate through rotating, the long type hole is equipped with four, and four long type holes correspond the valve plate and are closing the both sides limit position of first discharge gate or second discharge gate department valve plate.

Furthermore, two pressure plates are arranged and respectively arranged on two sides of the valve body correspondingly, one pressure plate can simultaneously correspond to the two side sealing elements, and the buffer plates of the two side sealing elements are positioned between the pressure plate and the outer wall surface of the valve body and are compressed.

Furthermore, a plurality of through holes are formed in the pressing plate, a plurality of screw holes are correspondingly formed in the wall surface of the valve body, and the bolt penetrates through the through holes and then is locked with the screw holes.

Further, still include the bearing frame, the shaft hole that corresponds the setting is seted up to the both sides wall of valve body, and the bearing frame is equipped with two, and two bearing frames correspond installing on the outer wall of valve body of diaxon hole position respectively, the valve plate includes the pivot, and the pivot both ends are connected with the bearing frame after wearing out the shaft hole of both sides respectively.

The method for replacing the sealing element of the distributing valve is characterized in that the distributing valve based on the external sealing element comprises

Mounting, namely placing each sealing element at a position corresponding to each long hole formed in the valve body, namely placing the embedding strip into each long hole until the surface of the buffer plate is attached to the outer wall surface of the valve body, wherein the embedding strip protrudes inwards relative to the inner wall of the valve body, and the protruding part can fill and seal a gap between the side edge of the valve plate and the inner wall surface of the valve body when the valve plate rotates to a position corresponding to a closed discharge hole; the pressure taking plates are respectively arranged at two outer sides of the valve body, namely the pressure plate covers the buffer plate of the side sealing element, one side of the buffer plate is attached to the pressure plate, and each bolt is screwed to enable the buffer plate of the side sealing element to be positioned between the pressure plate and the outer wall surface of the valve body and to be compressed and positioned;

and a disassembling step, namely unscrewing the bolts to take down the two pressure plates, and then taking down each sealing element.

Further, in the installation step, because the sealing member is made by elastomer material, consequently correspond the clamp plate and the valve body is connected the bolt locking dynamics is big more, then the buffer board is compressed the degree and is big more, and then improves the extrusion force of embedding strip to the valve plate, otherwise the locking force is little, then the buffer board is compressed the degree and is little, and the extrusion force of embedding strip to the valve plate reduces.

According to the description of the invention, compared with the prior art, the material distributing valve with the external sealing element and the method for replacing the sealing element of the material distributing valve provided by the invention have the advantages that the long hole is formed in the valve body, so that the sealing element can be detached and replaced from the outside of the valve body, the difficulty of replacing the sealing element is greatly reduced, the replacement speed is high, and the normal work of equipment is prevented from being influenced; the pressing plate arranged outside the valve body is used for locking and positioning the sealing element, and the bearing seat is also arranged outside the valve body, so that the number of parts in the valve body is small, blanking is smooth when the device works, and the problem of material accumulation is avoided; the sealing element is formed by the integrally formed embedded strip and the buffer plate, the connection between the embedded strip and the buffer plate is high, the embedded strip and the buffer plate are not easy to damage, and the service life is long; the compression degree of clamp plate accessible bolt change locking force in order to change the buffer board, and then change when embedding strip seals with the extrusion force of valve plate, have the fine setting effect, can compensate part production error to also can carry out the adaptation according to the material that this depiler valve was handled, guaranteed not to influence the activity of valve plate under effective encapsulated situation.

Drawings

Fig. 1 is a schematic structural view of a distributing valve with an external sealing element according to the present invention.

Fig. 2 is a schematic exploded view of a dispensing valve with an external sealing element according to the present invention.

FIG. 3 is a schematic front cross-sectional view of FIG. 1 according to the present invention.

FIG. 4 is a schematic top cross-sectional view of FIG. 1 according to the present invention.

FIG. 5 is a schematic side sectional view of FIG. 1 according to the present invention.

Fig. 6 is a schematic view of the sealing member of the present invention.

The labels in the figure correspond to the following: 1. the valve comprises a valve body, 11, a feed inlet, 12, a first discharge outlet, 13, a second discharge outlet, 14, a shaft hole, 15, an elongated hole, 16, a screw hole, 2, a valve plate, 21, a rotating shaft, 3, a bearing seat, 4, a sealing element, 41, an embedded strip, 42, a buffer plate, 5, a pressure plate, 51, a through hole and 52, bolts.

Detailed Description

The invention is further described below by means of specific embodiments.

Taking a three-way type material distributing valve as an example, referring to fig. 1 to 6, the material distributing valve with an external sealing element comprises a valve body 1, a valve plate 2, a bearing seat 3, a sealing element 4 and a pressure plate 5.

The valve body 1 is including locating the feed inlet 11 on upper portion, locate first discharge gate 12 and the second discharge gate 13 of lower part, the shaft hole 14 that corresponds the setting is seted up to the both sides wall of valve body 1, bearing frame 3 is equipped with two, two bearing frames 3 correspond installing on the outer wall of valve body 1 of two shaft hole 14 positions respectively, valve plate 2 includes pivot 21, be connected with bearing frame 3 after both sides shaft hole 14 is worn out respectively at pivot 21 both ends, make rotatable the locating in the valve body 1 of valve plate 2, valve plate 2 is through rotating the selection and sealing first discharge gate 12 or second discharge gate 13.

The valve body 1 is provided with a long hole 15 penetrating through the side wall, four long holes 15 are arranged, four long holes 15 correspond to the positions of two sides of the valve plate 2 at the position where the valve plate 2 seals the first discharge port 12 or the second discharge port 13, the sealing element 4 comprises an embedding strip 41 and a buffer plate 42, the embedding strip 41 is arranged by one side of the buffer plate 42 in a protruding way, the buffer plate 42 is attached to the outer wall surface of the valve body 1, the embedding strip 41 is arranged in the long hole 15 and protrudes inwards relative to the inner wall of the valve body 1, so that the valve plate 2 seals the position of the first discharge port 12 or the second discharge port 13, the gap between the two sides of the valve plate 2 and the inner wall of the valve body 1 is sealed, two pressure plates 5 are respectively arranged at two sides of the valve body 1 correspondingly, the pressure plate 5 is provided with a plurality of through holes 51, the wall surface of the valve body 1 is correspondingly provided with a plurality of screw holes 16, and the cushion plate 42 of the side seal 4 is pressed between the pressure plate 5 and the outer wall surface of the valve body 1. The pressure plate 5 is installed to cover the two groups of buffer plates 42 of the sealing elements 4 on the side, the pressure plate 5 is of a flat plate structure, the outer wall surfaces of the two sides of the valve body 1 are of a plane structure, and the two surfaces of the buffer plates 42 are tightly attached to the pressure plate 5 and the outer wall surface of the valve body 1 respectively. The pressure plate 5 can also be locked and connected with the valve body 1 by adopting a quick handle.

The sealing member 4 is made of an elastomer material, and the embedded bar 41 and the buffer plate 42 are integrally formed.

A method of replacing a dispensing valve seal, comprising:

mounting, namely placing the sealing elements 4 at positions corresponding to the long holes 15 formed in the valve body 1, namely placing the embedded strips 41 into the long holes 15 until the surfaces of the buffer plates 42 are attached to the outer wall surface of the valve body 1, wherein the embedded strips 41 protrude inwards relative to the inner wall of the valve body 1, and the protruding parts can fill and seal gaps between the side edges of the valve plate 2 and the inner wall surface of the valve body 1 when the valve plate 2 rotates to the position corresponding to a sealed discharge port; two pressure plates 5 are respectively arranged at two outer sides of the valve body 1, namely the pressure plates 5 cover the buffer plate 42 of the side sealing element 4, one side of the buffer plate 42 is attached to the pressure plate 5, and each bolt 52 is screwed to enable the buffer plate 42 of the side sealing element 5 to be positioned between the pressure plate 5 and the outer wall surface of the valve body 1 and to be pressed tightly for positioning;

because the sealing member 4 is made of an elastic material, the greater the locking force of the bolt 52 connecting the corresponding pressure plate 5 and the valve body 1 is, the greater the compression degree of the buffer plate 42 is, and further the extrusion force of the embedded bar 41 to the valve plate 2 is improved, otherwise, the smaller the locking force is, the smaller the compression degree of the buffer plate 42 is, and the extrusion force of the embedded bar 41 to the valve plate 2 is reduced.

And in the disassembling step, the bolts 52 are unscrewed, and the two pressing plates 5 are taken down, so that the sealing elements 4 can be taken down.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.