Vertical pipe opening plug device

Abstract

The utility model discloses a vertical pipe orifice plug device, which belongs to the technical field of pipeline orifice sealing and is mainly used for sealing a vertical pipe orifice. The technical problem to be solved by the utility model is to provide a standpipe orifice plug device which comprises a flange plate connected with a standpipe orifice, a first hinge seat and a second hinge seat are symmetrically arranged on the flange plate, a pressing handle is hinged on the first hinge seat, a locking buckle is hinged on the second hinge seat, the pressing handle comprises a first handheld part and a first connecting section, and the first handheld part is connected with the first connecting section. The first handheld part extends upwards, the first connecting section is fixedly connected with a gland, an inner cover of the gland corresponds to the central circular hole of the flange plate, a limiting rod is arranged on an outer cover of the gland, and the locking buckle comprises a second connecting section and a second handheld part, the second connecting section is provided with a strip-shaped groove matched with the limiting rod, and the second handheld part extends upwards. The vertical pipe opening can be plugged or opened only by lifting or pressing the first hand lifting part, the plugging speed is high, the sealing performance is good, and volatile substances are effectively prevented from escaping.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline orifice sealing, in particular to a vertical pipe orifice plugging device. Background Art

[0002] The existing pipe port plugging structure often adopts a flange plug, which is connected to the flange of the vertical pipe port. When opening or closing, the connecting bolts need to be frequently disassembled and assembled. The disassembly and assembly steps are cumbersome and time-consuming. When the vertical pipe is connected to equipment storing highly volatile liquids, the pipe port should be plugged and sealed as soon as possible to reduce the volatilization of the liquid and avoid the volatilized liquid from causing harm to the human body or causing environmental pollution. However, the existing flange plugging device is complicated to disassemble and assemble, which is time-consuming and cannot achieve rapid opening and closing of the plugging device. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a vertical pipe orifice plugging device, which is mainly used for closing the vertical pipe orifice to achieve the purpose of quickly opening or closing the pipe orifice and reducing the escape of volatile substances stored in the pipeline.

[0004] The utility model discloses a vertical pipe orifice plugging device, comprising a flange connected to the vertical pipe orifice, and also comprising a pressing handle, a pressing cover and a locking buckle, wherein the flange is symmetrically provided with a first hinged seat and a second hinged seat, the pressing handle comprises a first connecting section and a first hand-holding part, one end of the first connecting section is hinged to the first hinged seat, and the other end is fixedly connected to the pressing cover, the first hand-holding part is arranged at an end of the first connecting section close to the first hinged seat and extends upward; the pressing cover comprises an outer cover and an inner cover, the outer cover is fixedly connected to the first connecting section, and limiting rods are arranged on both sides of the end of the outer cover close to the second hinged seat, the inner cover is arranged below the outer cover and corresponds to the central circular hole of the flange; the locking buckle comprises a second connecting section and a second hand-holding part, the second connecting section is hinged to the second hinged seat, the second connecting section is also provided with a strip groove adapted to the limiting rod, the strip groove is arc-shaped, and the second hand-holding part is connected to the second connecting section and extends upward.

[0005] Furthermore, the top of the locking buckle is quadrangular, and the extension direction of the second hand-held part is toward the direction of the first hand-held part.

[0006] Furthermore, the flange is provided with a boss arranged around the central circular hole of the flange, and the inner cover is adapted to the through hole formed by the boss.

[0007] Furthermore, a compression spring is provided between the inner cover and the outer cover.

[0008] Furthermore, an adjusting top screw which passes through the outer cover and the inner cover in sequence is provided at the center of the gland, and a limiting block whose diameter is larger than that of the adjusting top screw is provided at one end of the outer cover.

[0009] Furthermore, a sealing ring is provided on one side of the inner cover close to the flange chassis.

[0010] Furthermore, the flange, the pressure cover, the locking buckle and the pressure handle are all coated with an anti-corrosion paint layer.

[0011] The beneficial effects of the utility model are as follows: the pressure handle drives the pressure cover to control the opening and closing functions of the vertical pipe mouth. When opening, the first hand-held part is pressed down forcefully, and when closing, the first hand-held part is lifted up. The pressure cover adopts a plugging plate structure composed of an inner cover and an outer cover to ensure the tightness of the pressure cover. The locking buckle and the outer cover are connected by a long strip groove and a limit rod arranged on the outer cover. The pressure cover can be quickly tightened or loosened by rotating the locking buckle to complete the plugging of the vertical pipe mouth. The bottom of the entire structure adopts a flat flange plate, which is connected to the vertical pipe mouth flange by fixing bolts. The structural device has a simple structure. The vertical pipe mouth can be blocked or opened by only lifting or pressing the first hand-held part. The blocking speed is fast, and volatile substances can be effectively prevented from escaping into the external environment. It has the characteristics of safety, reliability and high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 : A schematic diagram of the structure of the vertical pipe orifice plugging device provided by the utility model;

[0013] Figure markings: 1-vertical pipe; 11-vertical pipe mouth; 12-flange; 13-fixing bolt; 2-flange; 21-first hinge seat; 22-second hinge seat; 23-boss; 231-through hole; 24-center circular hole; 3-pressing handle; 31-first connecting section; 32-first hand-held part; 4-pressing cover; 41-outer cover; 411-limiting rod; 42-inner cover; 421-fixing nut; 422-sealing ring; 43-adjusting top screw; 431-limiting block; 44-compression spring; 5-locking buckle; 51-second connecting section; 52-second hand-held part; 53-strip groove. DETAILED DESCRIPTION

[0014] The utility model is further described below.

[0015] The utility model provides a vertical pipe orifice plugging device, which is mainly used to close the vertical pipe orifice, including a flange 2 connected to the vertical pipe orifice 11, and also including a pressure handle 3, a pressure cover 4 and a locking buckle 5. The flange 2 is symmetrically provided with a first hinge seat 21 and a second hinge seat 22. The pressure handle 3 includes a first connecting section 31 and a first hand-held part 32. One end of the first connecting section 31 is hinged to the first hinge seat 21, and the other end is fixedly connected to the pressure cover 4. The first hand-held part 32 is arranged at one end of the first connecting section 31 close to the first hinge seat 21 and extends upward; the pressure cover 4 includes an outer cover 41 and an inner cover 42. The outer cover 41 is fixedly connected to the first connecting section 31, and limiting rods 411 are provided on both sides of one end of the outer cover 41 close to the second hinge seat 22. The inner cover 42 is arranged below the outer cover 41 and corresponds to the central circular hole of the flange 2; the locking buckle 5 includes a second connecting section 51 and a second hand-holding part 52, the second connecting section 51 is hinged to the second hinge seat 22, and a strip groove 53 adapted to the limiting rod 411 is also provided on the second connecting section 51, and the strip groove 53 is in an arc shape, and the second hand-holding part 52 is connected to the second connecting section 51 and extends upward.

[0016] like Figure 1 As shown, the flange 2 of the vertical pipe orifice plugging device is connected to the flange 12 set at the vertical pipe orifice 11 by a fixing bolt 13, and a first hinge seat 21 and a second hinge seat 22 symmetrically arranged along the axis of the vertical pipe 1 are set on the flange 2, and the pressing handle 3 is hinged to the first hinge seat 21, so that the pressing handle 3 can be rotated along the hinge point, that is, the outer cover 41 fixedly connected to the first connecting section 31 is driven to rotate, so that the pressing handle 3 rotates to drive the outer cover 41 to press down and rise, and the opening and closing functions of the vertical pipe orifice plugging device are realized. When it needs to be opened, the first hand-held part 32 is pressed down forcefully; when it needs to be closed, the first hand-held part 32 is lifted up; the pressure cover 4 adopts a plugging plate structure. Specifically, the pressure cover 4 includes an outer cover 41 and an inner cover 42, and the sizes of the outer cover 41 and the inner cover 42 are different. The size of the inner cover 42 is consistent with the size of the central circular hole 24 of the flange 2, or larger than the central circular hole 24 of the flange 2, so that the inner cover 42 can completely cover the central circular hole 24 of the flange 2, so as to achieve the purpose of sealing the vertical pipe orifice 11, and the size of the outer cover 41 should be consistent with the distance between the first hinge seat 21 and the second hinge seat 22, so that when the outer cover 41 is pressed down by the pressing handle 3, the end of the outer cover 41 away from the first hinge seat 21 can be connected with the second hinge seat 22, so that after the locking buckle 5 hinged to the second hinge seat 22 is rotated, the strip groove 53 provided on the locking buckle 5 can slide along the limit rod 411 provided on the outer cover 41, and finally the outer cover 41 is locked, so as to avoid the outer cover 41 still moving after the pressing handle 3 presses down the outer cover 41, resulting in poor sealing effect.

[0017] Specifically, when using the vertical pipe orifice plugging device, the flange 2 is first connected to the flange 12 of the vertical pipe orifice 11 by using the fixing bolts 13, so that the entire vertical pipe orifice plugging device is installed on the vertical pipe orifice 11. When it is necessary to block the vertical pipe orifice 11, it is only necessary to lift the first hand-held portion 32, so that the outer cover 41 fixedly connected to the first connecting portion begins to press down, thereby driving the inner cover 42 connected to the outer cover 41 to press down until the inner cover 42 contacts the flange 2 and completely covers the central circular hole 24 of the flange 2. At this time, stop lifting the first carrying part and start pressing down the second carrying part. The second carrying part drives the second connecting section 51 to be pressed down. At this time, the strip groove 53 on the second connecting section 51 is stuck in the limiting rod 411, and the second carrying part continues to be pressed down until the strip groove 53 can no longer provide sliding for the limiting rod 411, and the pressing down of the second carrying part is stopped. At this time, the top of the locking buckle 5 has abutted against the outer cover 41, and the end of the outer cover 41 close to the second hinge seat 22 cannot rise, maintaining the state of the entire pressure cover 4 blocking the vertical pipe opening 11. When it is necessary to open the vertical pipe opening 11, lift the second carrying part to release the lock of the locking buckle 5 on the outer cover 41, and then press the first carrying part downward to make the outer cover 41 rise and the inner cover 42 leave the central through hole of the flange 2, thus opening the vertical pipe opening 11; it should be noted that when the pressing handle 3 and the locking buckle 5 are pressed down or lifted to the appropriate position without moving, the first hinge seat 21 and the second hinge seat 22 can be locked by the latch to avoid displacement of the pressure cover 4 due to external factors during the process of blocking the vertical pipe opening 11, thereby affecting the sealing of the entire vertical pipe opening 11.

[0018] The opening and closing functions of the vertical pipe orifice 11 are controlled by driving the pressure handle 3 to drive the pressure cover 4. When opening, the first hand-held part 32 is pressed down, and when closing, the first hand-held part 32 is lifted up. The pressure cover 4 adopts a plugging plate structure composed of an inner cover 42 and an outer cover 41 to ensure the tightness of the pressure cover 4. The locking buckle 5 and the outer cover 41 are connected through a long strip groove 53 and a limit rod 411 set on the outer cover 41. The pressure cover 4 can be quickly tightened or loosened by rotating the locking buckle 5 to complete the plugging of the vertical pipe orifice 11. The bottom of the entire structure adopts a flat flange 2, which is connected to the flange 12 set on the vertical pipe orifice 11 by a fixing bolt 13. The structural device has a simple structure. The vertical pipe orifice 11 can be blocked or opened by just lifting or pressing the first hand-held part, without repeatedly screwing the bolts. The blocking speed is fast, and volatile substances can be effectively prevented from escaping into the external environment. It has the characteristics of safety, reliability and high practicality.

[0019] In order to facilitate pressing down the locking buckle 5 to lock the cover body, so that the cover body can fit tightly against the flange 2, and thus achieve the blocking of the vertical pipe opening 11, the top of the locking buckle 5 is quadrilateral, and the extension direction of the second hand-held part 52 is toward the direction of the first hand-held part 32; the top of the locking buckle 5 is designed to be quadrilateral, which is convenient for pressing the pressure cover 4 by hand, and the extension direction of the second hand-held part 52 is designed to be toward the direction of the first hand-held part 32. By pressing down the locking buckle 5, the cover body and the flange 2 are pressed tightly, thereby improving the tightness of the sealing and reducing the escape of volatile substances.

[0020] In order to reduce the height of the first hinge seat 21, that is, the distance the cover body needs to move with the pressing handle 3 when closing the pipe opening, and increase the speed of closing the pipe opening, as shown in FIG. Figure 1 As shown, the flange 2 is provided with a boss 23 arranged around the central circular hole 24 of the flange 2, the boss 23 is integrally formed with the flange 2, and the inner cover 42 is adapted to the through hole 231 enclosed by the boss 23; by providing the boss 23 integrally formed with the flange 2, it will not damage the tightness of the connection between the flange 2 and the flange 12 at the vertical pipe orifice 11, and can also reduce the path required for the cover body to be pressed down, thereby increasing the closing speed of the vertical pipe orifice 11 and reducing the escape of the liquid in the pipeline after volatilization; at the same time, when the inner cover 42 is pressed down, it is adapted to the through hole 231 enclosed by the boss 23, that is, the inner cover 42 is used to seal the through hole 231 enclosed by the boss 23, thereby strengthening the sealing performance of the vertical pipe orifice plug device to the vertical pipe orifice 11.

[0021] To further ensure the tightness of the connection between the outer cover 41 and the inner cover 42, when the outer cover 41 moves down to the limit state along with the pressing handle 3, the pressing force of the outer cover 41 on the inner cover 42 can be adjusted, such as Figure 1 As shown, a compression spring 44 is further provided between the inner cover 42 and the outer cover 41; an adjusting top screw 43 is provided in the center of the pressure cover 4, which passes through the outer cover 41 and the inner cover 42 in sequence; a fixing nut 421 is provided on the inner cover 42 and is threadedly connected to the lower end of the adjusting top screw 43; and a limit block 431 with a diameter larger than that of the adjusting top screw 43 is provided at one end of the outer cover 41; in order to further adjust the pressing force of the outer cover 41 on the inner cover 42, a compression spring 44 is provided between the outer cover 41 and the inner cover 42, and an adjusting top screw 43 is provided between the outer cover 41 and the inner cover 42, and the adjusting top screw 43 is screwed to adjust the pressure of the inner cover 42. The jack screw 43 is adjusted to adjust the gap between the outer cover 41 and the inner cover 42, and the compression spring 44 is further compressed so that the inner cover 42 is closely attached to the circular hole on the flange 2 that is aligned with the pipe orifice, thereby achieving the purpose of blocking the pipe orifice and ensuring the sealing of the pipe orifice. In order to ensure that the tightness of the gland 4 can still be ensured between the outer cover 41 and the inner cover 42 when the adjusting jack screw 43 is set, the inner wall of the through hole for the adjusting jack screw 43 to pass through is lined with rubber as a whole, so as to ensure the sealing between the adjusting jack screw 43 and the outer cover 41 and the inner cover 42.

[0022] In order to improve the sealing performance of the gland 4 to the vertical pipe opening 11, Figure 1 As shown, a sealing ring 422 is provided on the side of the inner cover 42 close to the flange base. By adding the sealing ring 422, when the pressure cover 4 is pressed down, the inner cover 42 is in closer contact with the boss 23 on the flange 2 or the center circular hole 24 of the flange 2, thereby ensuring its sealing.

[0023] In order to extend the service life of the vertical pipe port plugging device and prevent the vertical pipe port plugging device from being corroded by volatile liquid stored in the pipeline, the flange 2, the pressure cover 4, the locking buckle 5 and the pressure handle 3 are all coated with an anti-corrosion paint layer.

Claims

1. A vertical pipe orifice plugging device, comprising a flange (2) connected to a vertical pipe orifice (11), characterized in that: The invention also comprises a pressing handle (3), a pressing cover (4) and a locking buckle (5); a first hinge seat (21) and a second hinge seat (22) are symmetrically arranged on the flange (2); the pressing handle (3) comprises a first connecting section (31) and a first hand-held part (32); one end of the first connecting section (31) is hinged to the first hinge seat (21), and the other end is fixedly connected to the pressing cover (4); the first hand-held part (32) is arranged at one end of the first connecting section (31) close to the first hinge seat (21) and extends upward; the pressing cover (4) comprises an outer cover (41) and an inner cover (42); the outer cover (41) is fixedly connected to the first connecting section (31) and the inner cover (42) is fixedly connected to the first connecting section (31). The outer cover (41) is connected to the second hinge seat (22) and is provided with limit rods (411) on both sides of one end thereof; the inner cover (42) is arranged below the outer cover (41) and corresponds to the central circular hole of the flange (2); the locking buckle (5) comprises a second connecting section (51) and a second hand-held portion (52); the second connecting section (51) is hinged to the second hinge seat (22); a strip groove (53) adapted to the limit rod (411) is also provided on the second connecting section (51); the strip groove (53) is in an arc shape; the second hand-held portion (52) is connected to the second connecting section (51) and extends upward.

2. A vertical pipe orifice plugging device as claimed in claim 1, characterized in that: The top of the locking buckle (5) (4) is quadrangular, and the extension direction of the second hand-held portion (52) is toward the direction of the first hand-held portion (32).

3. A vertical pipe orifice plugging device as claimed in claim 1, characterized in that: The flange (2) is provided with a boss (23) arranged around the central circular hole of the flange (2); the boss (23) and the flange (2) are integrally formed; and the inner cover (42) is adapted to a through hole (231) enclosed by the boss (23).

4. A vertical pipe orifice plugging device as claimed in claim 1, characterized in that: A compression spring (44) is further provided between the inner cover (42) and the outer cover (41); an adjusting top screw (43) is provided at the center of the pressure cover (4) and passes through the outer cover (41) and the inner cover (42) in sequence; a fixing nut (421) is provided on the inner cover (42) and is threadedly connected to the lower end of the adjusting top screw (43); and a limiting block (431) having a diameter greater than that of the adjusting top screw (43) is provided at one end of the adjusting top screw (43) located at the outer cover (41).

5. A vertical pipe orifice plugging device according to any one of claims 1 to 4, characterized in that: A sealing ring (422) is provided on one side of the inner cover (42) close to the flange bottom plate.

6. A vertical pipe orifice plugging device as claimed in claim 5, characterized in that: The flange (2), the pressure cover (4), the locking buckle (5) and the pressure handle (3) are all coated with an anti-corrosion paint layer.

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