CN217762131U

CN217762131U - Flat gate valve capable of discharging sewage

Info

Publication number: CN217762131U
Application number: CN202221360936.1U
Authority: CN
Inventors: 黄印耀; 黄一清; 陈素珠
Original assignee: Nanhu Fujian Valve Co ltd
Current assignee: Nanhu Fujian Valve Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-08
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a flat gate valve that can blowdown, including valve body, valve pocket, flashboard, disk seat, valve rod, valve gap and drive mechanism, drive mechanism includes the hand wheel, be provided with the water conservancy diversion hole on the flashboard, the hole of decontaminating has all been seted up to the both sides of valve pocket bottom, the inside below fixed mounting of valve pocket has the gag lever post, the cover is equipped with the scraper blade on the outer wall of gag lever post. This kind of plate valve that can blowdown, this practicality is used through the cooperation of valve body, valve pocket, flashboard, disk seat, valve rod, valve gap, drive mechanism, collect the frame, unload dirty hole, scraper blade, gag lever post, accommodate the lead screw, knob, thread groove and annular mounting, scrape in the inside bottom of valve pocket back and forth through the manual control scraper blade, realized just can clear up the inside fluid filth of valve pocket in the outside of gate valve, the filth is collected by collecting the frame after having been cleared up, collect the detachability of frame, also conveniently carry out centralized processing to the filth.

Description

Flat gate valve capable of discharging sewage

Technical Field

The utility model relates to a gate valve technical field specifically is a flat gate valve that can blowdown.

Background

A flat gate valve is a sliding valve whose closing member is a parallel gate plate. The closing member can be a single gate or a double gate with a spreader mechanism in between. The pressing force of the gate plate to the valve seat is controlled by the medium pressure acting on the floating gate plate or the floating valve seat. In the case of a double-gate plate gate valve, the pressing force can be supplemented by a spreading mechanism between the two gate plates.

However, in the conventional flat gate valve on the market, in the process of up-and-down movement of the gate plate, a large part of fluid dirt in a pipeline enters the bottom of the valve body through a channel between the gate plate and the valve seat and between the gate plate and the valve body and is accumulated at the bottom of the valve body, so that the gate plate cannot be closed in place in a downward movement manner, and if the dirt is not removed in time, the normal operation and the service life of the flat gate valve are affected, and economic loss is brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flat gate valve that can blowdown to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a plate valve that can blowdown, includes valve body, valve pocket, flashboard, disk seat, valve rod, valve gap and drive mechanism, drive mechanism includes the hand wheel, be provided with the water conservancy diversion hole on the flashboard, the hole of decontaminating has all been seted up to the both sides of valve pocket bottom, the inside below fixed mounting of valve pocket has the gag lever post, the cover is equipped with the scraper blade on the outer wall of gag lever post, the inside top that is located the gag lever post of valve pocket is rotated and is installed accommodate the lead screw, accommodate the lead screw's one end fixed mounting has the knob.

As a further aspect of the present invention: the downside cover of valve pocket surface is equipped with annular fixed part, the thread groove has been seted up to the downside of annular fixed part's surface, annular fixed part has cup jointed the collection frame through the thread groove screw thread.

As a further aspect of the present invention: a plurality of second threaded holes are formed in the upper side of the outer surface of the annular fixing piece, first threaded holes corresponding to the second threaded holes in number and position are formed in the outer surface of the valve cavity, and the annular fixing piece is connected with bolts through the second threaded holes in a threaded mode.

As a further aspect of the present invention: and an annular limiting clamping plate is fixedly sleeved on the outer surface of the annular fixing piece.

As a further aspect of the present invention: and a threaded hole matched with the adjusting screw rod is formed in the upper part of one side of the scraper, and the scraper is in threaded connection with the adjusting screw rod through the threaded hole formed in the upper part of one side of the scraper.

As a further aspect of the present invention: and a threaded hole matched with the limiting rod is formed in the lower part of one side of the scraper, and the scraper is in threaded connection with the limiting rod through the threaded hole formed in the lower part of one side of the scraper.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a valve body, the valve pocket, the flashboard, the disk seat, the valve rod, the valve gap, drive mechanism, collect the frame, the hole of decontaminating, the scraper blade, the gag lever post, accommodate the lead screw, the knob, the cooperation of thread groove and annular mounting is used, scrape through the manual control scraper blade makes a round trip in the inside bottom of valve pocket, realized just can clear up the inside fluid filth of valve pocket in the outside of gate valve, the filth is collected by collecting the frame after having been cleared up, collect the detachability of frame, also conveniently carry out centralized processing to the filth, make the clearance of people to the inside filth of gate valve become convenience very, it piles up in the valve body bottom to have solved the fluid filth, lead to the unable problem of closing target in place down of flashboard gate valve, the normal use of flat gate valve has been guaranteed, unnecessary economic loss has been avoided.

2. The utility model discloses a first screw hole, the cooperation of second screw hole and bolt is used, be connected through the connected mode of bolt between annular mounting and the valve pocket, make its convenient dismantlement, in case the thread groove degree of wear on the annular mounting is too big unable to use, can wholly change annular mounting immediately, unusual convenience, avoid offering the thread groove on the surface of valve pocket, general valve pocket is a whole with the valve body, in case the thread groove on the valve pocket takes place to damage, just need wholly change the gate valve, such replacement cost is too big, be unfavorable for the in-service use, consequently, setting through annular mounting, indirect replacement cost that has reduced, the practicality has been improved.

Drawings

FIG. 1 is a schematic structural view of a flat gate valve capable of discharging sewage;

FIG. 2 is a schematic view of a partial structure of a plate gate valve capable of discharging sewage;

fig. 3 is an enlarged schematic view of a flat gate valve capable of discharging sewage at a position a in fig. 2.

In the figure: the valve comprises a valve body 1, a valve cavity 2, a flashboard 3, a valve seat 4, a valve rod 5, a valve cover 6, a transmission mechanism 7, a collecting frame 8, an annular limiting clamping plate 9, a dirt discharging hole 10, a scraping plate 11, a limiting rod 12, an adjusting screw rod 13, a knob 14, a thread groove 15, an annular fixing piece 16, a first thread hole 17, a second thread hole 18 and a bolt 19.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a flat gate valve capable of discharging sewage comprises a valve body 1, a valve cavity 2, a gate plate 3, a valve seat 4, a valve rod 5, a valve cover 6 and a transmission mechanism 7, wherein the transmission mechanism 7 comprises a hand wheel, a flow guide hole is arranged on the gate plate 3, sewage discharge holes 10 are arranged on both sides of the bottom of the valve cavity 2, a limiting rod 12 is fixedly arranged below the inside of the valve cavity 2, a scraping plate 11 is sleeved on the outer wall of the limiting rod 12, an adjusting screw 13 is rotatably arranged above the limiting rod 12 inside the valve cavity 2, one end of the adjusting screw 13 sequentially penetrates through one side of the scraping plate 11 and one side of the inner wall of the valve cavity 2 and extends to the outside of the valve cavity 2, a knob 14 is fixedly arranged at one end of the adjusting screw 13, thereby solving the problem that the fluid is accumulated at the bottom of the valve body, which the gate plate cannot be closed in place downwards, ensuring the normal use of the flat gate valve, and an annular ring 16 is sleeved on the lower side of the outer surface of the valve cavity 2, the lower side of the outer surface of the annular fixing piece 16 is provided with a thread groove 15, the annular fixing piece 16 is sleeved with the collecting frame 8 through the thread groove 15, the dirt is collected by the collecting frame 8 after being cleaned, the detachability of the collecting frame 8 is convenient, the dirt is also convenient to be centralized, so that people can conveniently clean the dirt in the gate valve, the upper side of the outer surface of the annular fixing piece 16 is provided with a plurality of second thread holes 18, the outer surface of the valve cavity 2 is provided with first thread holes 17 corresponding to the number and the positions of the second thread holes 18, the annular fixing piece 16 is in threaded connection with bolts 19 through the second thread holes 18, the bolts 19 are in threaded connection with the first thread holes 17, through the arrangement of the annular fixing piece 16, the replacement cost is indirectly reduced, the practicability of the annular fixing piece is improved, the outer surface of the annular fixing piece 16 is fixedly sleeved with an annular limiting clamping plate 9, when the collecting frame 8 is installed on the outer surface of the annular fixing piece 16, excessive rotation of the collecting frame 8 is avoided, a threaded hole matched with the adjusting screw rod 13 is formed in the upper portion of one side of the scraper 11, the scraper 11 is in threaded connection with the adjusting screw rod 13 through the threaded hole formed in the upper portion of one side of the scraper 11, a threaded hole matched with the limiting rod 12 is formed in the lower portion of one side of the scraper 11, and the scraper 11 is in threaded connection with the limiting rod 12 through the threaded hole formed in the lower portion of one side of the scraper 11.

The utility model discloses a theory of operation is:

referring to fig. 1 to 3, when in use, the specific structure of the valve body 1, the valve cavity 2, the gate plate 3, the valve seat 4, the valve rod 5, the valve cover 6 and the transmission mechanism 7 can refer to the prior art, which can be easily realized by a person skilled in the art, in the daily use process of the flat gate valve, the fluid dirt finally flows to the bottom inside the valve cavity 2 to be accumulated, when the dirt needs to be cleaned, the knob 14 is manually rotated, the knob 14 rotates to drive the adjusting screw 13 to rotate, through the screw transmission between the adjusting screw 13 and the scraper 11 and the sliding relationship between the scraper 11 and the limiting rod 12, the scraper 11 is made to stably move transversely, through the rotation of the control knob 14, the scraper 11 can move leftwards and rightwards transversely, the movement of the scraper 11 can push the fluid dirt accumulated on the bottom inside the valve cavity 2 to the inside of the dirt discharge holes 10 at two sides of the bottom of the valve cavity 2, then the dirt can be directly flows to the inside of the collecting frame 8 through the dirt discharge holes 10, because the connection mode between the collecting frame 8 and the annular fixing piece 16, the dirt collecting frame 8 can be cleaned by the collecting frame, the dirt collected by the collecting frame 8, the collecting frame can be cleaned manually, the dirt collected by the collecting frame 8, the collecting frame can be cleaned conveniently by the collecting frame 8, and the collecting frame at the top of the collecting frame at the top of the collecting frame after the collecting frame can be cleaned manually, the problem of fluid filth pile up at the valve body bottom, lead to the flashboard can't be closed down and target in place is solved, guaranteed the normal use of plate valve, avoided unnecessary economic loss.

Referring to fig. 2 and 3, in the process of cleaning up the dirt inside the collecting frame 8, the collecting frame 8 needs to be rotated down from the outer surface of the annular fixing member 16, so that the friction between the collecting frame 8 and the thread groove 15 cannot be avoided, the friction can cause abrasion, the thread groove 15 is damaged after a long time, the collecting frame 8 cannot be screwed on the outer surface of the annular fixing member 16, so that the collecting frame 8 is inconvenient to intensively collect the dirt discharged from the inside of the gate valve, at this time, the annular fixing member 16 can be replaced, the bolt 19 is rotated by a tool through manual rotation, the bolt 19 is screwed out from the inside of the first thread hole 17 and the second thread hole 18 through the thread transmission relationship between the bolt 19 and the first thread hole 17 and the second thread hole 18, and at this time, the limiting effect between the annular fixing member 16 and the valve cavity 2 is lost, can directly take off the annular mounting 16 that damages from the surface of valve chamber 2, the annular mounting 16 of renewal, and fix it through bolt 19, be connected through the connected mode of bolt between annular mounting 16 and the valve chamber 2, make its convenient dismantlement, in case the too big unable use of the thread groove 15 degree of wear on the annular mounting 16, can wholly change annular mounting 16 immediately, unusual convenience, avoid seting up the thread groove on the surface of valve chamber 2, general valve chamber 2 is a whole with valve body 1, in case the thread groove on the valve chamber 2 takes place to damage, just need wholly change the gate valve, such replacement cost is too big, be unfavorable for in-service use, consequently, through the setting of annular mounting 16, indirect replacement cost has been reduced, the practicality has been improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a plate valve that can blowdown, includes valve body (1), valve chamber (2), flashboard (3), disk seat (4), valve rod (5), valve gap (6) and drive mechanism (7), its characterized in that: drive mechanism (7) include the hand wheel, be provided with the water conservancy diversion hole on flashboard (3), the both sides of valve pocket (2) bottom have all been seted up and have been unloaded hole (10), the inside below fixed mounting of valve pocket (2) has gag lever post (12), the cover is equipped with scraper blade (11) on the outer wall of gag lever post (12), valve pocket (2) inside top that is located gag lever post (12) is rotated and is installed accommodate the lead screw (13), the one end fixed mounting of accommodate the lead screw (13) has knob (14).

2. A waste gate valve as claimed in claim 1, wherein: the lower side cover of valve pocket (2) surface is equipped with annular mounting (16), thread groove (15) have been seted up to the downside of the surface of annular mounting (16), annular mounting (16) have cup jointed collection frame (8) through thread groove (15) screw thread.

3. A waste gate valve as claimed in claim 2, wherein: the upper side of the outer surface of the annular fixing piece (16) is provided with a plurality of second threaded holes (18), the outer surface of the valve cavity (2) is provided with first threaded holes (17) corresponding to the second threaded holes (18) in number and position, and the annular fixing piece (16) is connected with bolts (19) through the second threaded holes (18) in a threaded mode.

4. A waste gate valve as claimed in claim 2, wherein: the outer surface of the annular fixed piece (16) is fixedly sleeved with an annular limiting clamping plate (9).

5. A waste gate valve as claimed in claim 1, wherein: and a threaded hole matched with the adjusting screw rod (13) is formed in the upper part of one side of the scraper (11), and the scraper (11) is in threaded connection with the adjusting screw rod (13) through the threaded hole formed in the upper part of one side of the scraper.

6. A waste gate valve as claimed in claim 1, wherein: the lower part of one side of the scraper (11) is provided with a threaded hole matched with the limiting rod (12), and the scraper (11) is in threaded connection with the limiting rod (12) through the threaded hole arranged below one side of the scraper.