Pneumatic discharge valve with flange convenient to replace

Abstract

The utility model relates to the technical field of pneumatic discharge valves, in particular to a pneumatic discharge valve convenient for flange replacement, which comprises a pneumatic discharge valve main body, a fixed flange seat and a movable flange, the inlet and outlet of the pneumatic discharge valve main body are connected with pipelines, the fixed flange seat and the movable flange are sequentially sleeved on the pipelines, and the fixed flange seat and the movable flange are connected with the pneumatic discharge valve main body. A first connecting hole is formed in a valve seat of the pneumatic discharging valve body, a second connecting hole corresponding to the first connecting hole is formed in the fixed flange seat, a third connecting hole used for being connected with an external flange is formed in the movable flange, and a connecting assembly is arranged between the fixed flange seat and the movable flange. The pneumatic discharging valve has the advantages that the problem that the subsequent flange and the pneumatic discharging valve cannot be independently replaced due to the fact that the flange is fixedly connected to the discharging valve is solved, and subsequent maintenance is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pneumatic discharge valve technology, especially to a pneumatic discharge valve convenient to replace flange. BACKGROUND

[0002] Pneumatic discharge valve is a kind of ceramic gate valve, it is applied to material conveying system. With the continuous progress of pneumatic discharge valve technology, various efficient and more professional pneumatic discharge valves emerge as the times require. The flange on the inlet and outlet of the traditional pneumatic discharge valve is mostly fixed, which is connected with the pipeline on the inlet and outlet of the discharge valve by welding, when the flange or pneumatic discharge valve needs to be replaced, the flange cannot be detached from the pneumatic discharge valve due to its fixed connection, so it is not convenient to replace the flange or pneumatic discharge valve alone, which increases the maintenance cost. SUMMARY

[0003] In order to improve the problem that the subsequent flange and pneumatic discharge valve cannot be replaced alone due to the fixed connection of the flange on the discharge valve, and to facilitate subsequent maintenance, the application provides a pneumatic discharge valve convenient to replace flange.

[0004] The pneumatic discharge valve convenient to replace flange provided by the application adopts the following technical scheme:

[0005] A kind of pneumatic discharge valve convenient to replace flange, including pneumatic discharge valve main body, fixed flange seat and movable flange, the inlet and outlet of the pneumatic discharge valve main body are all connected with pipeline, the fixed flange seat and movable flange are sequentially set on pipeline, the valve seat of the pneumatic discharge valve main body is provided with first connecting hole, the fixed flange seat is provided with second connecting hole corresponding to first connecting hole, the movable flange is provided with third connecting hole for connecting external flange, connecting assembly is arranged between the fixed flange seat and movable flange.

[0006] Preferably, the connecting assembly includes a first fixed ring, a second fixed ring and a clamping plate, the first fixed ring is fixedly connected to the fixed flange seat, the axis of the first fixed ring is arranged in line with the axis of the fixed flange seat, the second fixed ring is fixedly connected to the movable flange, the axis of the second fixed ring is arranged in line with the axis of the movable flange, the clamping plate is arranged in a semi-circular ring shape, two clamping plates are provided, one end of the clamping plate is provided with a clamping groove, the clamping groove penetrates the end and the side wall of the clamping plate, the second fixed ring is provided with an insertion part inserted into the clamping groove, the insertion part is arranged along the circumference of the second fixed ring, a groove is formed in the inner wall of the first fixed ring, the groove is arranged along the circumference of the first fixed ring, and the two clamping plates are inserted into the groove.

[0007] Preferably, the clamping plate is provided with a chamfer, and the chamfer is located at the end of the clamping plate inserted into the groove.

[0008] Preferably, the first fixing ring is provided with a fourth connecting hole, and the clamping plate is provided with a fifth connecting hole corresponding to the fourth connecting hole.

[0009] Preferably, the inserting part is provided with a sixth connecting hole, and the clamping plate is provided with a seventh connecting hole corresponding to the sixth connecting hole.

[0010] In summary, the present application has the following beneficial technical effects:

[0011] The utility model provides a kind of pneumatic discharge valve of flange convenient to replace, including pneumatic discharge valve main body, fixed flange seat, movable flange, pipeline and connecting assembly, by the flange split body setting as fixed flange seat, movable flange and connecting assembly, three parts can be detached connection, individually replace, and fixed flange seat is connected on pneumatic discharge valve main body by bolt, and fixed flange seat, movable flange and connecting assembly are set in the outside of pipeline by the way of nesting, so that pneumatic discharge valve can also be individually disassembled and replaced, and the deformation generated when flange is installed does not produce additional torque to equipment or pipeline, installation is convenient, to reach the problem of improving subsequent flange and pneumatic discharge valve cannot be individually replaced due to the flange fixed connection on discharge valve, the effect of being convenient for subsequent maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of the pneumatic discharge valve of flange convenient to replace in the embodiment of the present application;

[0013] Figure 2 It is the schematic diagram for embodying fixed flange seat in the embodiment of the present application;

[0014] Figure 3 It is the schematic diagram for embodying movable flange in the embodiment of the present application;

[0015] Figure 4 It is the schematic diagram for embodying clamping plate in the embodiment of the present application.

[0016] Mark explanation: 1, pneumatic discharge valve main body;11, first connecting hole;2, fixed flange seat;21, second connecting hole;3, movable flange;31, third connecting hole;4, pipeline;5, connecting assembly;51, first fixing ring;511, recess;512, fourth connecting hole;52, second fixing ring;521, inserting part;522, sixth connecting hole;53, clamping plate;531, clamping groove;532, fifth connecting hole;533, seventh connecting hole. DETAILED DESCRIPTION

[0017] In order to make the personnel in the art better understand the scheme of the present application, the scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0018] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0019] The embodiment of the present application discloses a pneumatic discharge valve with replaceable flange. Referring to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the pneumatic discharge valve with replaceable flange comprises a pneumatic discharge valve body 1, a fixed flange seat 2 and a movable flange 3, a pipeline 4 is connected to the inlet and outlet of the pneumatic discharge valve body 1, the fixed flange seat 2 and the movable flange 3 are sequentially sleeved on the pipeline 4, a first connecting hole 11 is formed in the valve seat of the pneumatic discharge valve body 1, a second connecting hole 21 corresponding to the first connecting hole 11 is formed in the fixed flange seat 2, and the detachable connection between the fixed flange and the pneumatic discharge valve body 1 is realized through the first connecting hole 11 and the second connecting hole 21, a third connecting hole 31 for connecting an external flange is formed in the movable flange 3, and a connecting assembly 5 is arranged between the fixed flange seat 2 and the movable flange 3.

[0020] The connecting assembly 5 comprises a first fixing ring 51, a second fixing ring 52 and a clamping plate 53, the first fixing ring 51 is fixedly connected to the fixed flange base 2, the axis of the first fixing ring 51 is arranged in line with the axis of the fixed flange base 2, the second fixing ring 52 is fixedly connected to the movable flange 3, the axis of the second fixing ring 52 is arranged in line with the axis of the movable flange 3, the clamping plate 53 is arranged in a semicircular ring shape, two clamping plates 53 are arranged, one end of the clamping plate 53 is provided with a clamping groove 531, the clamping groove 531 penetrates the end and the side wall of the clamping plate 53, the second fixing ring 52 is provided with an insertion part 521 inserted into the clamping groove 531, the insertion part 521 is arranged along the circumference of the second fixing ring 52, a recess 511 is arranged on the inner wall of the first fixing ring 51, the recess 511 is arranged along the circumference of the first fixing ring 51, and the two clamping plates 53 are inserted into the recess 511.

[0021] The clamping plate 53 is provided with a chamfer, the chamfer is located at the end of the clamping plate 53 inserted into the recess 511, and the chamfer facilitates the insertion of the clamping plate 53 into the recess 511 of the first fixing ring 51, and is beneficial to improve the installation efficiency.

[0022] A fourth connecting hole 512 is arranged on the first fixing ring 51, and a fifth connecting hole 532 corresponding to the fourth connecting hole 512 is arranged on the clamping plate 53, and the detachable connection between the first fixing ring 51 and the clamping plate 53 is realized through the fourth connecting hole 512 and the fifth connecting hole 532.

[0023] A sixth connecting hole 522 is arranged on the insertion part 521, and a seventh connecting hole 533 corresponding to the sixth connecting hole 522 is arranged on the clamping plate 53, and the detachable connection between the insertion part 521 and the clamping plate 53 is realized through the sixth connecting hole 522 and the seventh connecting hole 533.

[0024] The implementation principle of the pneumatic discharge valve with the flange convenient to replace is that the flange is divided into the fixed flange base 2, the movable flange 3 and the connecting assembly 5, the three parts are detachably connected and replaced separately, the fixed flange base 2 is connected to the pneumatic discharge valve body 1 through bolts, and the fixed flange base 2, the movable flange 3 and the connecting assembly 5 are arranged outside the pipeline 4 in a nested manner, so that the pneumatic discharge valve can also be replaced separately, and the deformation of the flange during installation does not produce additional torque on the equipment or the pipeline 4, the installation is convenient, the structure of the parts is simple, and the manufacturing is convenient.

[0025] During installation, first, the fixed flange sleeve is arranged on the pipeline 4, the first connecting hole 11 and the second connecting hole 21 are aligned, and then the fixed flange is connected to the pneumatic discharge valve body 1 through bolts, then the two clamping plates 53 are respectively clamped on the insertion part 521 of the second fixed ring 52, the sixth connecting hole 522 and the seventh connecting hole 533 are aligned, and then the clamping plate 53 and the insertion part 521 are connected through bolts, then the movable flange 3 and the clamping plate 53 are sleeved on the pipeline 4, and the clamping plate 53 is inserted into the first fixed ring 51, the fourth connecting hole 512 and the fifth connecting hole 532 are aligned, and then the clamping plate 53 and the first fixed ring 51 are connected through bolts, so that the installation is completed.

[0026] When the pneumatic discharge valve body 1, the fixed flange seat 2, the movable flange 3 and the connecting assembly 5 need to be replaced, they can be disassembled and replaced in sequence by screwing the bolts.

[0027] Finally, it should be noted that: the above only is the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned examples, all technical solutions under the idea of the present application belong to the protection scope of the present application. It should be pointed out that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A pneumatic discharge valve with easily replaceable flanges, characterized in that: The device includes a pneumatic discharge valve body (1), a fixed flange seat (2), and a movable flange (3). The inlet and outlet of the pneumatic discharge valve body (1) are connected to pipes (4). The fixed flange seat (2) and the movable flange (3) are sequentially fitted onto the pipes (4). The valve seat of the pneumatic discharge valve body (1) has a first connection hole (11). The fixed flange seat (2) has a second connection hole (21) corresponding to the first connection hole (11). The movable flange (3) has a third connection hole (31) for connecting to an external flange. A connecting assembly (5) is provided between the fixed flange seat (2) and the movable flange (3).

2. The pneumatic discharge valve for easy flange replacement according to claim 1, characterized in that: The connecting assembly (5) includes a first fixing ring (51), a second fixing ring (52), and a retaining plate (53). The first fixing ring (51) is fixedly connected to the fixed flange seat (2), and the axis of the first fixing ring (51) is collinear with the axis of the fixed flange seat (2). The second fixing ring (52) is fixedly connected to the movable flange (3), and the axis of the second fixing ring (52) is collinear with the axis of the movable flange (3). The retaining plate (53) is semi-circular, and there are two retaining plates (53). One end of the card plate (53) is provided with a card slot (531), which passes through the end and side wall of the card plate (53). The second fixing ring (52) is provided with an insertion part (521) that is inserted into the card slot (531). The insertion part (521) is arranged along the circumference of the second fixing ring (52). The inner wall of the first fixing ring (51) is provided with a groove (511), which is arranged along the circumference of the first fixing ring (51). The two card plates (53) are inserted into the groove (511).

3. A pneumatic discharge valve for easy flange replacement according to claim 2, characterized in that: The card plate (53) is provided with a chamfer, which is located at the end of the insertion groove (511) of the card plate (53).

4. A pneumatic discharge valve for easy flange replacement according to claim 2, characterized in that: The first fixing ring (51) has a fourth connecting hole (512), and the card plate (53) has a fifth connecting hole (532) corresponding to the fourth connecting hole (512).

5. A pneumatic discharge valve for easy flange replacement according to claim 2, characterized in that: The plug-in part (521) is provided with a sixth connecting hole (522), and the card plate (53) is provided with a seventh connecting hole (533) corresponding to the sixth connecting hole (522).

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