CN208024858U - manual chlorine cast steel stop valve - Google Patents

Abstract

The utility model discloses a kind of manual chlorine cast steel stop valves, including：Cast steel valve body, the lower end of the cast steel valve body is provided with intake channel and exit passageway, the upper end of the cast steel valve body is provided with cast steel valve deck, it is provided with valve rod in the cast-steel valve body, the upper end of the valve rod connects hand wheel component, the lower end of the valve rod connects flap component, it is provided with airtight and watertight padding and pressing plate between valve rod and cast steel valve deck, it is equipped with inner corrugated pipe in the hypomere outer sheath of valve rod, one end of the inner corrugated pipe is welded on cast-steel valve and covers, the other end of the inner corrugated pipe is welded on valve rod, and the hand wheel component includes：Dust cap, handwheel, valve stem nut, flange bracket and flat key, handwheel are connect by flat key with valve stem nut, and dust cap is arranged above handwheel and is connected by screw thread with valve stem nut, and flange bracket coordinates with valve stem nut axial rotation.

Description

Manual chlorine cast steel stop valve

Technical field

The utility model is related to a kind of valve more particularly to a kind of manual chlorine cast steel stop valves.

Background technology

Chlorine cutoff valve is a kind of common valve for controlling and adjusting the deep-etchings flow media such as chlorine in chemical industry Door.Existing chlorine ends：Valve body is provided with intake channel and exit passageway, in institute in the lower end of the valve body The upper end for stating valve body is provided with valve deck, valve rod is provided in the valve body, the upper end of the valve rod connects hand wheel component, described The lower end of valve rod connects flap component, airtight and watertight padding and pressing plate is provided between valve rod and cast steel valve deck, in the hypomere of valve rod Outer sheath is equipped with bellows, and one end of the bellows is welded on cast-steel valve and covers, and the other end of the bellows is welded on valve On bar.All only there are one flap and a valve seats for existing chlorine cutoff valve, once flap or valve seat damage will be unable to cut in time The conveying of disconnected chlorine, meanwhile, it is only sealed by airtight and watertight padding and a bellows between valve rod and valve deck, poor sealing performance, Be easy to cause chlorine leakage, there are security risk, in addition, existing chlorine cutoff valve flap be structure as a whole with valve rod it is non-disconnectable It unloads, once damaging, valve will directly be scrapped flap.

Utility model content

Technical problem to be solved in the utility model is：A kind of safe and reliable manual chlorine cast steel stop valve is provided.

In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：Manual chlorine cast steel stop valve, packet It includes：Cast steel valve body is provided with intake channel and exit passageway, in the upper end of the cast steel valve body in the lower end of the cast steel valve body It is provided with cast steel valve deck, valve rod is provided in the cast-steel valve body, the upper end of the valve rod connects hand wheel component, the valve rod Lower end connect flap component, airtight and watertight padding and pressing plate are provided between valve rod and cast steel valve deck, on the outside of the hypomere of valve rod It is arranged with inner corrugated pipe, one end of the inner corrugated pipe is welded on cast-steel valve and covers, and the other end of the inner corrugated pipe is welded on On valve rod, the hand wheel component includes：Dust cap, handwheel, valve stem nut, flange bracket and flat key, handwheel pass through flat key and valve Stem nut connects, and dust cap is arranged above handwheel and is connected by screw thread with valve stem nut, flange bracket and valve stem nut Axial rotation coordinates, and flange bracket is connected by column with cast steel valve deck, and the flap component includes：Import flap, outlet valve Valve and lifting disk are respectively arranged with mounting groove on the import flap and outlet flap, the upper center of the lifting disk with Valve rod is connected, and is symmetrically arranged in the lower end both sides of the lifting disk and connect head with the mutually matched T-type of mounting groove, described Two T-type connector portions are fixed in mounting groove by flap nut are fixedly connected with import flap and outlet flap respectively, Outward corrugated tube is provided on the outside of the inner corrugated pipe, one end of the outward corrugated tube is welded on cast-steel valve and covers, the external wave The other end of line pipe is welded on lifting disk, and the side close to intake channel in the cast-steel valve body is provided with and import flap Mutually matched import valve seat is provided with close to the side of exit passageway in the cast-steel valve body and cooperates with outlet flap Outlet valve seat.

The utility model has the advantages that：Above-mentioned manual chlorine cast steel stop valve, valve body are designed using cast steel, can be suitable for The heavy caliber of 20cm~150cm conveys, at the same Double-clack and double-valve-seat can realize valve it is synchronous it is dual block, even if wherein one A damage valve can also continue to the conveying of cut-out chlorine, in addition, using airtight and watertight padding and inside and outside bellows to valve rod and valve deck Between repeatedly sealed, sealing effect is good, can effectively prevent chlorine leakage, securely and reliably, the connection between flap and valve rod It can dismantle completely, easy maintenance and replacement, improve the service life of valve.

Description of the drawings

Fig. 1 is the structural schematic diagram of the manual chlorine cast steel stop valve of the utility model.

In figure：1, cast steel valve body, 2, intake channel, 3, exit passageway, 4, cast steel valve deck, 5, valve rod, 6, airtight and watertight padding, 7, Pressing plate, 8, inner corrugated pipe, 9, dust cap, 10, handwheel, 11, valve stem nut, 12, flange bracket, 13, flat key, 14, column, 15, Import flap, 16, outlet flap, 17, lifting disk, 18, T-type connect head, 19, flap nut, 20, outward corrugated tube, 21, import Valve seat, 22, outlet valve seat.

Specific implementation mode

The particular content of the utility model is described in detail in the following with reference to the drawings and specific embodiments.

As shown in Figure 1, manual chlorine cast steel stop valve, including：Cast steel valve body 1 is arranged in the lower end of the cast steel valve body 1 There are intake channel 2 and exit passageway 3, the upper end of the cast steel valve body 1 is provided with cast steel valve deck 4, in the cast steel valve body 1 Be provided with valve rod 5, the upper end of the valve rod 5 connects hand wheel component, and the lower end of the valve rod 5 connects flap component, valve rod 5 with It is provided with airtight and watertight padding 6 and pressing plate 7 between cast steel valve deck 4, inner corrugated pipe 8, the interior wave are equipped in the hypomere outer sheath of valve rod 5 One end of line pipe 8 is welded on cast steel valve deck 4, and the other end of the inner corrugated pipe 8 is welded on valve rod 5, the hand wheel component Including：Dust cap 9, handwheel 10, valve stem nut 11, flange bracket 12 and flat key 13, handwheel 10 pass through flat key 13 and valve stem nut 11 connections, dust cap 9 are arranged above handwheel 10 and are connected by screw thread with valve stem nut 11, flange bracket 12 and valve rod spiral shell Female 11 axial rotations cooperation, flange bracket 12 are connected by column 14 with cast steel valve deck 4, and the flap component includes：Inlet valve Valve 15, outlet flap 16 and lifting disk 17 are respectively arranged with mounting groove on the import flap 15 and outlet flap 16, described The upper center of lifting disk 17 is connected with valve rod 5, is symmetrically arranged with and mounting groove phase in the lower end both sides of the lifting disk 17 The T-type connection head 18 mutually coordinated, described two T-types connection head 18 respectively by flap nut 19 be fixed in mounting groove with Import flap 15 is fixedly connected with outlet flap 16, and the outside of the inner corrugated pipe 8 is provided with outward corrugated tube 20, the external wave One end of line pipe 20 is welded on cast steel valve deck 4, and the other end of the outward corrugated tube 20 is welded on lifting disk 17, in the casting In steel valve body 1 close to the side of intake channel 2 be provided with 15 mutually matched import valve seat 21 of import flap, in the cast steel It is provided with and outlet 16 mutually matched outlet valve seat 22 of flap close to the side of exit passageway 3 in valve body 1.

Above-mentioned manual chlorine cast steel stop valve is in use, rotation handwheel 10, handwheel 10 drive valve stem nut by flat key 13 11 rotate on column 14, and valve stem nut 11 is moved up with ovable valve stem 5, and valve rod 5 drives lifting disk 17 to move up, valve rod 5 It moves up and inner corrugated pipe 8 is driven to shrink, lifting disk 17, which moves up, drives outward corrugated tube 20 to shrink, and lifting disk 17 passes through T-type Connection head 18 drives import flap 15 and outlet flap 16 to move up simultaneously, and import flap 15 is detached with import valve seat 21, Outlet flap 16 is detached with outlet valve seat 22, and valve is opened at this time, and intake channel 2 is interconnected with exit passageway 3 and realizes chlorine Conveying；Rotating backward the reset of handwheel 10 can be such that valve closes, and import flap 15 offsets with import valve seat 21, exports flap 16 It offsets with outlet valve seat 22, can realize that duplicate protection prevents chlorine from leaking.

Above-mentioned manual chlorine cast steel stop valve, valve body are designed using cast steel, can be suitable for the heavy caliber of 20cm~150cm Conveying, at the same Double-clack and double-valve-seat can realize valve it is synchronous it is dual block, even if one of damage valve can also be after The conveying of continuous cut-out chlorine, in addition, repeatedly sealed between valve rod and valve deck using airtight and watertight padding and inside and outside bellows, Sealing effect is good, can effectively prevent chlorine leakage, and securely and reliably, the connection between flap and valve rod can dismantle completely, convenient Repair and replacement, improve the service life of valve.

Claims (1)

1. manual chlorine cast steel stop valve, it is characterised in that：Including：Cast steel valve body（1）, in the cast steel valve body（1）Lower end It is provided with intake channel（2）And exit passageway（3）, in the cast steel valve body（1）Upper end be provided with cast steel valve deck（4）, institute State cast steel valve body（1）Inside it is provided with valve rod（5）, the valve rod（5）Upper end connect hand wheel component, the valve rod（5）Lower end Flap component is connected, in valve rod（5）With cast steel valve deck（4）Between be provided with airtight and watertight padding（6）And pressing plate（7）, in valve rod（5）'s Hypomere outer sheath is equipped with inner corrugated pipe（8）, the inner corrugated pipe（8）One end be welded on cast steel valve deck（4）On, the interior ripple Pipe（8）The other end be welded on valve rod（5）On, the hand wheel component includes：Dust cap（9）, handwheel（10）, valve stem nut （11）, flange bracket（12）And flat key（13）, handwheel（10）Pass through flat key（13）With valve stem nut（11）Connection, dust cap（9） It is arranged in handwheel（10）Top simultaneously passes through screw thread and valve stem nut（11）It is connected, flange bracket（12）With valve stem nut（11）Axis To being rotatably assorted, flange bracket（12）Pass through column（14）With cast steel valve deck（4）It is connected, the flap component includes：Inlet valve Valve（15）, outlet flap（16）And lifting disk（17）, in the import flap（15）With outlet flap（16）On be respectively arranged with Mounting groove, the lifting disk（17）Upper center and valve rod（5）It is connected, in the lifting disk（17）Lower end both sides it is symmetrical It is provided with and connect head with the mutually matched T-type of mounting groove（18）, described two T-types connections head（18）Pass through flap spiral shell respectively It is female（19）It is fixed in mounting groove and import flap（15）With outlet flap（16）It is fixedly connected, in the inner corrugated pipe（8）'s Outside is provided with outward corrugated tube（20）, the outward corrugated tube（20）One end be welded on cast steel valve deck（4）On, the outward corrugated tube （20）The other end be welded on lifting disk（17）On, in the cast steel valve body（1）Interior close intake channel（2）Side be provided with With import flap（15）Mutually matched import valve seat（21）, in the cast steel valve body（1）Interior close exit passageway（3）Side It is provided with and outlet flap（16）Mutually matched outlet valve seat（22）.