阅读说明：本技术 一种耐磨翻板换向阀 (Wear-resistant turnover plate reversing valve ) 是由 谢健军 刘昌灯 王强 钱茂祥 林瑞瑞 于 2020-12-21 设计创作，主要内容包括：本发明公开了一种耐磨翻板换向阀,涉及阀门领域,其包括阀体和阀盖,所述阀盖设有一个进口,所述阀体内设有两个出口,所述阀体在两个出口之间的位置处设有转动安装的阀轴,所述出口处安装有阀座,所述阀轴上安装有与所述阀座对应且密封配合的阀瓣组合件,所述阀瓣组合件跟随阀轴转动关闭一个出口且打开另一个出口；所述阀瓣组合件包括：阀瓣支撑架,其固定安装在所述阀轴上且两侧设有呈锐角分布的侧板；阀瓣,其数量为两个且分别安装在阀瓣支撑架两侧的侧板上；两个所述阀瓣分别背向设置。本发明具有结构简单,密封效果好的优点。(The invention discloses a wear-resistant turnover plate reversing valve, which relates to the field of valves and comprises a valve body and a valve cover, wherein the valve cover is provided with an inlet, two outlets are arranged in the valve body, a valve shaft which is rotatably arranged is arranged at a position between the two outlets of the valve body, a valve seat is arranged at the outlet, a valve clack assembly which corresponds to the valve seat and is in sealing fit with the valve seat is arranged on the valve shaft, and the valve clack assembly rotates along with the valve shaft to close one outlet and open the other outlet; the valve flap assembly comprises: the valve clack support frame is fixedly arranged on the valve shaft, and side plates distributed in an acute angle are arranged on two sides of the valve clack support frame; the valve clacks are two in number and are respectively arranged on the side plates at the two sides of the valve clack support frame; the two valve clacks are respectively arranged in a back-to-back mode. The invention has the advantages of simple structure and good sealing effect.)

1. The utility model provides a wear-resisting board switching-over valve that turns over, its includes valve body (1) and valve gap (2), valve gap (2) are equipped with one import (21), be equipped with two export (11) in valve body (1), its characterized in that: the valve body (1) is provided with a valve shaft (3) which is rotatably installed at a position between two outlets (11), a valve seat (4) is installed at the outlet (11), a valve flap assembly (5) which corresponds to the valve seat (4) and is in sealing fit with the valve seat (4) is installed on the valve shaft (3), and the valve flap assembly (5) rotates along with the valve shaft (3) to close one outlet (11) and open the other outlet (11); the valve flap assembly (5) comprises:

the valve clack support frame (51) is fixedly arranged on the valve shaft (3) and two sides of the valve clack support frame are provided with side plates (511) distributed in an acute angle;

the valve clacks (52) are two in number and are respectively arranged on the side plates (511) at two sides of the valve clack support frame (51);

the two valve flaps (52) are each arranged facing away from one another.

2. The wear-resistant reverse-turning valve according to claim 1, characterized in that: the valve clack (52) comprises a valve clack connecting shaft (521), a valve clack base plate (522), a valve clack pressing plate (523) and a valve clack sealing ring (524), the valve clack base plate (522) and the valve clack pressing plate (523) clamp the valve clack sealing ring (524) together, the valve clack connecting shaft (521) penetrates through the valve clack base plate (522), the valve clack pressing plate (523) and the valve clack sealing ring (524), and the valve clack connecting shaft (521) is fixedly installed on the side plate (511).

3. The wear-resistant reverse-turning valve according to claim 2, characterized in that: the valve clack sealing ring (524) is made of wear-resistant rubber material; hard alloy is welded on the valve seat (4) in a surfacing mode; the valve clack sealing ring (524) and the valve seat (4) form a conical surface sealing pair.

4. A wear-resistant reverse-turning valve according to claim 3, wherein: the valve seat (4) is circumferentially and fixedly installed on the valve body (1) through bolts.

5. The wear-resistant reverse-turning valve according to claim 1, characterized in that: the valve cover (2) is provided with a hard alloy sleeve (22) at the position corresponding to the inlet (21).

6. The wear-resistant reverse-turning valve according to claim 1, characterized in that: the inner wall of the valve cover (2) adopts a streamline structure.

7. The wear-resistant reverse-turning valve according to claim 1, characterized in that: a manhole (23) for manual operation is arranged on the valve cover (2).

8. The wear-resistant reverse-turning valve according to claim 1, characterized in that: the valve shaft is characterized by further comprising a platform (6) for installing the valve body (1) and a driving piece (7) for driving the valve shaft (3) to rotate, a bearing seat (8) is installed on the platform (6), and the valve shaft (3) penetrates through the bearing seat (8) and a bearing (9) is arranged between the bearing seat (8) and the valve shaft.

Technical Field

The invention relates to the field of valves, in particular to a wear-resistant flap reversing valve.

Background

The existing reversing valve is generally applied to bidirectional distribution when gravity feeding is carried out from upstream equipment to downstream equipment, the valve shaft controls the valve plate to swing left and right, the valve plate is only a single plate, and the problem of poor sealing effect exists.

Disclosure of Invention

In order to overcome the defects of the background technology, the invention provides the wear-resistant flap reversing valve which is simple in structure and good in sealing effect.

The technical scheme adopted by the invention is as follows: a wear-resistant turnover plate reversing valve comprises a valve body and a valve cover, wherein the valve cover is provided with an inlet, two outlets are arranged in the valve body, a valve shaft which is rotatably installed is arranged between the two outlets of the valve body, a valve seat is installed at the outlet, a valve clack assembly which corresponds to the valve seat and is in sealing fit with the valve seat is installed on the valve shaft, and the valve clack assembly rotates along with the valve shaft to close one outlet and open the other outlet; the valve flap assembly comprises:

the valve clack support frame is fixedly arranged on the valve shaft, and side plates distributed in an acute angle are arranged on two sides of the valve clack support frame;

the valve clacks are two in number and are respectively arranged on the side plates at the two sides of the valve clack support frame;

the two valve clacks are respectively arranged in a back-to-back mode.

The valve clack includes valve clack spiale, valve clack backing plate, valve clack clamp plate and valve clack sealing washer, the common centre gripping of valve clack backing plate and valve clack clamp plate the valve clack sealing washer, the valve clack spiale runs through and connects valve clack backing plate, valve clack clamp plate and valve clack sealing washer three, the valve clack spiale fixed mounting be in on the curb plate.

The valve clack sealing ring is made of wear-resistant rubber materials; hard alloy is welded on the valve seat in a surfacing mode; the valve clack sealing ring and the valve seat form a conical surface sealing pair.

The valve seat is circumferentially and fixedly installed on the valve body through bolts.

The valve cover is provided with a hard alloy sleeve at the position corresponding to the inlet.

The inner wall of the valve cover adopts a streamline structure.

The valve cover is provided with a manhole for manual operation.

The valve shaft is arranged on the valve seat, the valve shaft penetrates through the bearing seat, and a bearing is arranged between the bearing seat and the valve shaft.

The invention has the beneficial effects that: the technical scheme changes the flow direction of the material by utilizing the back-and-forth rotation of the valve clack assembly in the middle of the valve body, can change the direction with the material, has the advantages of simple structure and convenient and quick operation, is suitable for being installed on a conveying pipeline, and is mainly applied to the bidirectional distribution when solid materials such as powder, granular materials and the like are fed by gravity from upstream equipment to downstream equipment; in addition, the valve clacks on the two sides of the valve clack support frame are respectively in sealing fit with respective valve seats, a medium discharged from an inlet generates pressure on the valve clack positioned above, and the sealing performance of the valve clack positioned below and the valve seats can be improved.

Drawings

Fig. 1 is a schematic structural diagram of a wear-resistant flap reversing valve according to an embodiment of the invention.

Fig. 2 is a schematic diagram of the internal structure of the wear-resistant flap-type reversing valve.

Detailed Description

The embodiments of the invention will be further described with reference to the accompanying drawings in which:

as shown in the figure, the wear-resistant flap reversing valve comprises a valve body 1 and a valve cover 2, wherein the valve cover 2 is provided with an inlet 21, two outlets 11 are arranged in the valve body 1, a valve shaft 3 which is rotatably installed is arranged at a position between the two outlets 11 of the valve body 1, a valve seat 4 is installed at the outlet 11, a valve flap assembly 5 which corresponds to the valve seat 4 and is in sealing fit with the valve seat 4 is installed on the valve shaft 3, and the valve flap assembly 5 rotates along with the valve shaft 3 to close one outlet 11 and open the other outlet 11; the valve flap assembly 5 includes:

a valve flap support frame 51 fixedly mounted on the valve shaft 3 and having side plates 511 disposed at acute angles on both sides thereof;

two valve flaps 52 which are respectively arranged on the side plates 511 at two sides of the valve flap support frame 51;

the two valve flaps 52 are respectively arranged oppositely; the technical scheme changes the flow direction of the material by utilizing the back-and-forth rotation of the valve clack assembly in the middle of the valve body, can change the direction with the material, has the advantages of simple structure and convenient and quick operation, is suitable for being installed on a conveying pipeline, and is mainly applied to the bidirectional distribution when solid materials such as powder, granular materials and the like are fed by gravity from upstream equipment to downstream equipment; in addition, the valve clacks on the two sides of the valve clack support frame are respectively in sealing fit with respective valve seats, a medium discharged from an inlet generates pressure on the valve clack positioned above, and the sealing performance of the valve clack positioned below and the valve seats can be improved.

The angle of the two valve clacks is 30 degrees, so that the impulse force of the medium can be converted into the pressure of the valve clacks to the valve seat most reasonably, and the sealing performance is ensured.

The valve clack 52 comprises a valve clack connecting shaft 521, a valve clack base plate 522, a valve clack pressing plate 523 and a valve clack sealing ring 524, the valve clack base plate 522 and the valve clack pressing plate 523 clamp the valve clack sealing ring 524 together, the valve clack connecting shaft 521 is connected with the valve clack base plate 522, the valve clack pressing plate 523 and the valve clack sealing ring 524 in a penetrating mode, and the valve clack connecting shaft 521 is fixedly installed on the side plate 511.

The valve clack sealing ring 524 is made of wear-resistant rubber; the valve seat 4 is made of hard alloy through surfacing; the valve clack sealing ring 524 and the valve seat 4 form a conical surface sealing pair; the sealing performance is good, and the service life is prolonged.

The valve seat 4 is circumferentially and fixedly arranged on the valve body 1 through bolts; can be maintained and replaced, and saves the cost.

The valve cover 2 is provided with a hard alloy sleeve 22 at the position corresponding to the inlet 21, so that the valve cover is wear-resistant and has the function of prolonging the service life of equipment.

The inner wall of the valve cover 2 adopts a streamline structure; the impact of the material on the side surface of the valve cover when the valve clack is reversed is favorably reduced.

A manhole 23 for manual operation is arranged on the valve cover 2; the replacement of the valve flap and valve seat can be performed on-line.

The valve shaft is characterized by further comprising a platform 6 for mounting the valve body 1 and a driving piece 7 for driving the valve shaft 3 to rotate, wherein a bearing seat 8 is mounted on the platform 6, the valve shaft 3 penetrates through the bearing seat 8, and a bearing 9 is arranged between the bearing seat 8 and the valve shaft 3; the driving piece adopts a motor, the motor drives the valve shaft and the valve clack to do reciprocating motion together, the direction of the valve clack assembly is changed to change the direction, and the flexible reversing action of the product is ensured.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the invention has been described in terms of the above specific embodiments, the inventive concept is not limited thereto and any modification applying the inventive concept is intended to be included within the scope of the patent claims.