CN210978568U - Forged steel corrugated pipe gate valve - Google Patents

Abstract

The utility model relates to a gate valve technical field just discloses forged steel bellows gate valve, including the valve body, the valve rod is installed to the inboard of valve body, and the hand wheel is installed on the top of valve rod, and the valve body has the valve gap through hex bolts fixed mounting, and the side packing that the inboard of valve gap is located the valve rod has the filler, and the front welding of valve body bottom has the connecting pipe. The utility model discloses in, be used for pressing from both sides tight connecting pipe inboard through three arc grip block and strain a section of thick bamboo, strain the through-hole that the one end that the section of thick bamboo was located the valve body water inlet was seted up and be used for collecting debris, make simultaneously through rotatory runner three arc grip block loosen strain a section of thick bamboo also convenient dismantle the washing to straining a section of thick bamboo, install the manometer again in the bottom of connecting pipe, can respond the jam condition of straining a section of thick bamboo through observing the manometer, can in time clear up straining a section of thick bamboo, pass through the hinge rotation connection sealed lid in the front of connecting pipe again, it can avoid water to spill over.

Description

Forged steel corrugated pipe gate valve

Technical Field

The utility model relates to a gate valve technical field especially relates to forged steel bellows gate valve.

Background

The gate valve is an opening and closing piece gate plate, the movement direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed, and cannot be adjusted and throttled, the gate valve is sealed through contact of a valve seat and the gate plate, usually, a metal material is deposited on a sealing surface to increase abrasion resistance, such as 1Cr13, ST L6, stainless steel and the like, the gate plate is provided with a rigid gate plate and an elastic gate plate, and the gate valve is divided into the rigid gate valve and the elastic gate valve according to different gate plates.

Present forged steel bellows gate valve adopts the toper design, sealed face with become the flow with the medium, sealing performance is good, long service life is longer, and its lower extreme adopts automatic seam welding with valve rod assembly, the upper end welds with the automatic seam welding of connecting plate, form a metal barrier between fluid medium and atmosphere, ensure zero leakage of valve rod, nevertheless forged steel bellows gate valve is after supplying water for a long time, can remain a large amount of impurity on the inside valve plate, lead to the unable normal work of valve plate, and the filter of installation is big because of occupation space in the current gate valve, often receive service condition's restriction, and the difficulty is washed in unpicking and tearing down of filter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, reasonable in design's forged steel bellows gate valve possesses that area occupied is little, detachable advantage.

In order to achieve the above purpose, the utility model adopts the following technical scheme: forged steel bellows gate valve, including the valve body, the valve rod is installed to the inboard of valve body, the hand wheel is installed on the top of valve rod, the valve body has the valve gap through hex bolts fixed mounting, the inboard side that is located the valve rod of valve gap is filled there is the filler, the front welding of valve body bottom has the connecting pipe, the side welding of connecting pipe has the thread bush, the thread bush has the screw rod through threaded connection, the one end welding of screw rod has the runner, and the other end movable mounting of screw rod has an arc grip block, the quantity of arc grip block is three, and is three the mutual joint of arc grip block has a section of thick bamboo, it has seted up the through-hole to strain the one end that is located the.

Preferably, the valve plate is installed to the bottom of valve rod, the valve body bottom is equipped with the disk seat, disk seat and valve plate activity joint.

Preferably, a sealing cover is movably mounted on the side face of the connecting pipe through a hinge, and a first mounting plate is welded on the side face of the sealing cover.

Preferably, the connecting pipe is located the opposite side welding second mounting panel of the first mounting panel on the sealed lid, second mounting panel and first mounting panel pass through screw fixed connection.

Preferably, the side of the arc-shaped clamping plate is welded with a bearing, and an inner ring of the bearing is fixedly sleeved with the screw rod.

Preferably, the number of the thread sleeves is three, and the three thread sleeves are distributed in an annular array relative to the central point of the connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the side surface of the valve body is communicated with a connecting pipe, the inner side of a thread sleeve welded on the side surface of the connecting pipe is in threaded connection with a screw rod, one end of the screw rod is fixedly provided with a rotating wheel, the other end of the screw rod is welded with an arc-shaped clamping plate positioned on the inner side of the connecting pipe, the three arc-shaped clamping plates are used for clamping a filter cartridge positioned on the inner side of the connecting pipe, a through hole formed in one end of the filter cartridge positioned at a water inlet of the valve body is used for collecting sundries, the three arc-shaped clamping plates are loosened by rotating the rotating wheel to facilitate the disassembly and cleaning of the filter cartridge, a pressure gauge is arranged at the bottom of the connecting pipe, the filter cartridge can be cleaned in time by observing the blockage condition that the pressure gauge can reflect the filter cartridge, a sealing cover is rotatably connected on the, sealing face with become the manifold with the medium, sealing performance is good, life is longer, and its lower extreme adopts automatic seam welding with valve rod assembly, upper end and the automatic seam welding of connecting plate, form a metal barrier between fluid medium and atmosphere, ensure zero leakage of valve rod, nevertheless forged steel bellows gate valve is after supplying water for a long time, can remain a large amount of impurity on the inside valve plate, lead to the unable normal work of valve plate, and the filter of installation is big because of occupation space in the current gate valve, often receive service condition's restriction, and the problem of the difficulty of unpicking and washing of filter.

Drawings

Fig. 1 is a front view of a forged steel bellows gate valve according to the present invention;

FIG. 2 is a front sectional view of the forged steel bellows gate valve according to the present invention;

fig. 3 is a schematic partial structural view of the forged steel bellows gate valve according to the present invention;

fig. 4 is a schematic view of a filter cartridge of the forged steel bellows gate valve according to the present invention.

In the figure: 1. a valve body; 2. a valve stem; 3. a hand wheel; 4. a valve plate; 5. a valve seat; 6. a filler; 7. a valve cover; 8. a connecting pipe; 9. a sealing cover; 10. a first mounting plate; 11. a second mounting plate; 12. a threaded sleeve; 13. a screw; 14. a rotating wheel; 15. an arc-shaped clamping plate; 16. a filter cartridge; 17. and a pressure gauge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: forged steel corrugated pipe gate valve, including valve body 1, valve rod 2 is installed to the inboard of valve body 1, hand wheel 3 is installed at the top of valve rod 2, valve body 1 has valve gap 7 through hex bolts fixed mounting, the inboard of valve gap 7 is located the side packing that fills of valve rod 2 and is filled with filler 6, the front welding of valve body 1 bottom has connecting pipe 8, the side welding of connecting pipe 8 has thread bush 12, thread bush 12 has screw rod 13 through threaded connection, runner 14 is welded to the one end of screw rod 13, and the other end movable mounting of screw rod 13 has arc grip block 15, the quantity of arc grip block 15 is three, three arc grip block 15 mutually the joint have strain a section of thick bamboo 16, strain section of thick bamboo 16 to be located the through-hole that the one end of valve body 1 water inlet was seted up debris collection, strain section of thick bamboo 16 to be located the one end of valve body 1 water inlet, the filter cartridge 16 can be cleaned in a timely manner.

Wherein, valve plate 4 is installed to the bottom of valve rod 2, and 1 bottom of valve body is equipped with disk seat 5, disk seat 5 and 4 activity joint of valve plate, and disk seat 5 and 4 cooperations of valve plate make valve body 1 reach sealedly.

Wherein, the side of connecting pipe 8 has sealed lid 9 through hinge movable mounting, and the side welding of sealed lid 9 has first mounting panel 10, is equipped with the sealing washer between sealed lid 9 and the connecting pipe 8 and can avoids water to spill over from connecting pipe 8.

Wherein, connecting pipe 8 is located the opposite side welding second mounting panel 11 of sealed 9 last first mounting panel 10, and second mounting panel 11 and first mounting panel 10 pass through screw fixed connection.

Wherein, the side welding of arc grip block 15 has the bearing, and the inner ring of bearing and screw rod 13 are fixed to cup joint, can avoid screw rod 13 to rotate the in-process and damage and strain a section of thick bamboo 16.

Wherein, the quantity of thread bush 12 is three, and three thread bush 12 distributes about the central point ring array of connecting pipe 8, and three thread bush 12 are stainless steel.

The working principle is as follows: firstly, the valve rod 2 is rotated through the hand wheel 3 to enable the valve plate 4 to rotate, meanwhile, the valve body 1 is communicated, when water flow enters the valve body 1 through the water inlet of the valve body 1, the water flow enters the filter cylinder 16 through the through hole to be filtered, the fact that impurities in the filter cylinder 16 are too much is shown when the water flow speed is slowed down through the pressure gauge 17 on the connecting pipe 8, at the moment, the sealing cover 9 is opened, the three rotating wheels 14 are sequentially rotated to take the filter cylinder 16 out of the valve body 1, and the filter cylinder 16 is cleaned.

In summary, the forged steel bellows gate valve has the advantages that the connecting pipe 8 is communicated with the side surface of the valve body 1, the screw 13 is connected with the inner side of the threaded sleeve 12 welded on the side surface of the connecting pipe 8 in a threaded manner, the rotating wheel 14 is fixedly installed at one end of the screw 13, the arc-shaped clamping plate 15 positioned on the inner side of the connecting pipe 8 is welded at the other end of the screw 13, the three arc-shaped clamping plates 15 are used for clamping the filter cartridge 16 positioned on the inner side of the connecting pipe 8, the through hole formed in one end, positioned at the water inlet of the valve body 1, of the filter cartridge 16 is used for collecting sundries, meanwhile, the three arc-shaped clamping plates 15 are rotated to loosen the filter cartridge 16 and facilitate the disassembly and cleaning of the filter cartridge 16, the pressure gauge 17 is installed at the bottom of the connecting pipe 8, the filter cartridge 16 can be cleaned in time by observing the blockage condition of the pressure gauge 17 which can, the problem of current forged steel bellows gate valve adopt the toper design, sealed face with become the flow with the medium, sealing performance is good, long service life is longer, and its lower extreme adopts automatic seam welding with valve rod assembly, the upper end welds with the automatic seam welding of connecting plate, form a metal barrier between fluid medium and atmosphere, ensure that valve rod 2 is zero to leak, nevertheless forged steel bellows gate valve is after supplying water for a long time, can remain a large amount of impurity on the inside valve plate 4, lead to the unable normal work of valve plate 4, and the filter of installation is big because of occupation space in the current gate valve, often receive service condition's restriction, and the problem of the difficulty of unpicking and washing of filter.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Forged steel bellows gate valve, including valve body (1), its characterized in that: the water-saving valve is characterized in that a valve rod (2) is installed on the inner side of the valve body (1), a hand wheel (3) is installed at the top end of the valve rod (2), a valve cover (7) is fixedly installed on the valve body (1) through a hexagon bolt, a filler (6) is filled on the inner side of the valve cover (7) and located on the side face of the valve rod (2), a connecting pipe (8) is welded on the front face of the bottom of the valve body (1), a threaded sleeve (12) is welded on the side face of the connecting pipe (8), a screw rod (13) is connected to the threaded sleeve (12) through threads, a rotating wheel (14) is welded at one end of the screw rod (13), an arc-shaped clamping plate (15) is movably installed at the other end of the screw rod (13), three arc-shaped clamping plates (15) are provided, a filter cylinder (16), and a pressure gauge (17) is installed at the top of the connecting pipe (8).

2. A forged steel bellows gate valve according to claim 1, wherein: valve plate (4) are installed to the bottom of valve rod (2), valve body (1) bottom is equipped with disk seat (5), disk seat (5) and valve plate (4) activity joint.

3. A forged steel bellows gate valve according to claim 1, wherein: the side of connecting pipe (8) has sealed lid (9) through hinge movable mounting, the side welding of sealed lid (9) has first mounting panel (10).

4. A forged steel bellows gate valve according to claim 3, wherein: the connecting pipe (8) is positioned on the sealing cover (9), a second mounting plate (11) is welded on the other side of the first mounting plate (10), and the second mounting plate (11) is fixedly connected with the first mounting plate (10) through screws.

5. A forged steel bellows gate valve according to claim 1, wherein: the side welding of arc grip block (15) has the bearing, and the inner ring and screw rod (13) fixed the cup joint of bearing.

6. A forged steel bellows gate valve according to claim 1, wherein: the number of the thread sleeves (12) is three, and the three thread sleeves (12) are distributed in an annular array relative to the central point of the connecting pipe (8).

Images