Quick-opening valve for hydraulic engineering pipeline

Abstract

The utility model discloses a hydraulic engineering pipeline quick-opening valve which comprises a valve body, fixed lapping lugs, connecting bolts, a bearing, a rotating shaft, a rotating valve plate, a connecting bearing, a rotating handle, a fixed fluted disc and a locking mechanism, the fixed lapping lugs are integrally formed on the periphery of the outer side of the valve body, and the connecting bolts are installed on the front side and the rear side in each fixed lapping lug. The valve body is used for being connected with pipelines on the two sides, a rotating shaft is installed in the top of the valve body through a bearing, a rotating valve plate is installed in the valve body, the rotating valve plate is fixedly connected with the rotating shaft located in the valve body, and a rotating handle is installed on the top of the rotating shaft through a connecting bearing. A fixed fluted disc is welded between the bearing and the connecting bearing, and a locking mechanism matched with the fixed fluted disc is installed at the bottom of the rotating handle. The quick-opening butterfly valve is reasonable in design, the locking mechanism is added on the basis of the quick-opening butterfly valve, and certain loss caused by opening or closing the valve by misoperation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy project field especially relates to a water conservancy project pipeline quick open valve. BACKGROUND

[0002] The valve of water conservancy project pipeline generally will not select the butterfly valve with the fastest opening and closing speed to avoid misoperation, and the valve operated by screw handle cannot quickly complete opening and closing, and the operation is complex. SUMMARY

[0003] The utility model discloses a water conservancy project pipeline quick open valve to solve the problem in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A water conservancy project pipeline quick open valve, including valve body, fixed lug, connecting bolt, bearing, rotating shaft, rotating valve plate, connecting bearing, rotating handle, fixed tooth disc, locking mechanism, the fixed lug is integrally formed on the valve body outside four quarters, connecting bolt is installed in the fixed lug front and back two sides, is used for connecting with both sides pipeline, the rotating shaft is installed in the valve body top through bearing, the rotating valve plate is installed in the valve body, and the rotating valve plate is fixedly connected with the rotating shaft in the valve body, the rotating handle is installed on the rotating shaft top through connecting bearing, the fixed tooth disc is welded on the rotating shaft between bearing and connecting bearing, the locking mechanism that matches with the fixed tooth disc is installed at the rotating handle bottom.

[0006] Preferably, the water conservancy project pipeline quick open valve further includes side fixed baffle, sealing washer A and sealing washer B, the side fixed baffle is integrally formed at the right side of valve body front end and the left side of rear end, prevents the rotating valve plate from rotating excessively, and sealing washer A and sealing washer B are installed on the inside of valve body and the outside of rotating valve plate respectively.

[0007] Preferably, the locking mechanism further includes connecting lug, L-shaped connecting rod, spring sheet and fixed pin, connecting lug is installed at the bottom of rotating handle front end two sides, L-shaped connecting rod is installed between the two sides connecting lug through rotating shaft, the bottom of rotating handle is connected with the top of L-shaped connecting rod end through spring sheet, and fixed pin is welded at the top center of L-shaped connecting rod front end, and can be clamped in the tooth groove of fixed tooth disc through fixed pin.

[0008] The utility model has the advantages of reasonable design, adding locking mechanism on the basis of quick open butterfly valve, avoiding misoperation to open or close the valve, and causing certain loss. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1The utility model discloses a water conservancy project pipeline quick -open valve's structure schematic drawing.

[0010] Fig. 2 The utility model discloses a water conservancy project pipeline quick -open valve locking mechanism's structure schematic drawing.

[0011] In the drawing: 1, valve body, 2, fixed lug, 3, connecting bolt, 4, bearing, 5, rotating shaft, 6, rotating valve plate, 7, connecting bearing, 8, rotating handle, 9, fixed tooth disc, 10, locking mechanism, 11, side fixed baffle, 12, sealing washer A, 13, sealing washer B, 14, connecting lug, 15, L-shaped connecting rod, 16, spring piece, 17, fixed pin. Specific embodiments

[0012] The utility model will be further described below in combination with the drawings and specific embodiments:

[0013] As Figs. 1-2 Shown, a kind of water conservancy project pipeline quick -open valve, including valve body 1, fixed lug 2, connecting bolt 3, bearing 4, rotating shaft 5, rotating valve plate 6, connecting bearing 7, rotating handle 8, fixed tooth disc 9, locking mechanism 10, the valve body 1 outer side four quarters integrally formed with fixed lug 2, the fixed lug 2 inside front and back two sides are equipped with connecting bolt 3, for with two sides pipeline connection, the valve body 1 top inside is equipped with rotating shaft 5 by bearing 4, the valve body 1 inside is equipped with rotating valve plate 6, and rotating valve plate 6 is fixedly connected with the rotating shaft 5 located in the valve body 1 inside, the rotating shaft 5 top is equipped with rotating handle 8 by connecting bearing 7, the rotating shaft 5, welding has fixed tooth disc 9 between bearing 4 and connecting bearing 7, the rotating handle 8 bottom is equipped with the locking mechanism 10 matched with fixed tooth disc 9. The water conservancy project pipeline quick -open valve still includes side fixed baffle 11, sealing washer A 12 and sealing washer B 13, the valve body 1 front end right side and rear end left side are integrally formed with side fixed baffle 11, prevent rotating valve plate 6 from rotating excessively, the valve body 1 inside one week and rotating valve plate 6 outside one week are equipped with sealing washer A 12 and sealing washer B 13 respectively. The locking mechanism 10 still includes connecting lug 14, L-shaped connecting rod 15, spring piece 16 and fixed pin 17, the rotating handle 8 bottom front end two sides are equipped with connecting lug 14, the two sides connecting lug 14 between are equipped with L-shaped connecting rod 15 by rotating shaft, the L-shaped connecting rod 15 end top is connected with the rotating handle 8 bottom by spring piece 16, the L-shaped connecting rod 15 front end top central welding has fixed pin 17, and can be clamped in fixed tooth disc 9 tooth groove by fixed pin 17.

[0014] The utility model discloses a working principle: through locking mechanism 10 and fixed tooth disc 9 are engaged, at this moment, rotating handle 8 can be opened or closed fast rotary valve plate 6, wherein locking mechanism 10 is through holding L shape connecting rod 15 rear end, and with the fixed pin 17 of top of front end is lifted upwards, and with the tooth groove on fixed tooth disc 9 is engaged, at this moment, rotating handle 8 and rotary axle 5 locking.

[0015] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments but can be implemented in other embodiments without departing from the scope of the application. The embodiments are therefore to be considered as illustrative and not restrictive, and it is the scope of the application that is defined by the appended patent claims rather than the foregoing description.

Claims

1. A quick-opening valve for a water conservancy pipeline, comprising a valve body (1), a fixed lug (2), a connecting bolt (3), a bearing (4), a rotating shaft (5), a rotating valve plate (6), a connecting bearing (7), a rotating handle (8), a fixed gear disc (9), and a locking mechanism (10), characterized in that: The valve body (1) has a fixed lug (2) integrally formed on all four sides of its outer side. The fixed lug (2) has connecting bolts (3) installed on both the front and rear sides for connecting to the pipes on both sides. The valve body (1) has a rotating shaft (5) installed on the top through a bearing (4). The valve body (1) has a rotating valve plate (6) installed inside, and the rotating valve plate (6) is fixedly connected to the rotating shaft (5) located inside the valve body (1). The rotating shaft (5) has a rotating handle (8) installed on the top through a connecting bearing (7). The rotating shaft (5) has a fixed gear plate (9) welded between the bearing (4) and the connecting bearing (7). The rotating handle (8) has a locking mechanism (10) that matches the fixed gear plate (9) installed at the bottom.

2. The quick-opening valve for water conservancy pipelines according to claim 1, characterized in that: The quick-opening valve for the water conservancy pipeline also includes a side fixing baffle (11), a sealing gasket A (12) and a sealing gasket B (13). The valve body (1) has a side fixing baffle (11) integrally formed on the right side of the front end and the left side of the rear end to prevent the rotating valve plate (6) from rotating excessively. The valve body (1) has a sealing gasket A (12) and a sealing gasket B (13) installed around the inside of the valve body (1) and around the outside of the rotating valve plate (6), respectively.

3. The quick-opening valve for water conservancy pipelines according to claim 1, characterized in that: The locking mechanism (10) also includes connecting lugs (14), L-shaped connecting rods (15), spring plates (16) and fixing pins (17). Connecting lugs (14) are installed on both sides of the bottom front end of the rotating handle (8). L-shaped connecting rods (15) are installed between the two connecting lugs (14) via a rotating shaft. The top end of the L-shaped connecting rod (15) is connected to the bottom of the rotating handle (8) via a spring plate (16). A fixing pin (17) is welded to the center of the top end of the L-shaped connecting rod (15), and can be locked in the tooth groove of the fixed gear plate (9) by the fixing pin (17).

Images