CN208619757U - The dedicated regulating three-way valve of heating device pipeline - Google Patents

Abstract

The utility model relates to a kind of dedicated regulating three-way valves of heating device pipeline, including valve body, valve deck, valve rod, flashboard, handwheel；Mainly valve body forms three-port structure by intake channel, first outlet channel, second outlet channel, first outlet channel centerline, second outlet channel centerline, flashboard center line in the same plane with valve rod vertical and intersectant centerline；First outlet channel and second outlet channel are respectively equipped with and the mutually matched sealing surface of one side plane of flashboard, the flashboard other side is formed with lozenges and lower lozenges, is equipped with and lozenges on flashboard and the mutually matched upper wedging face of lower lozenges and lower wedging face in valve body valve chamber；Two sides are respectively equipped with the guide groove that cooperation is mutually oriented to the guiding rib of body cavity at flashboard central plane.Have the characteristics that simple structure, good seal performance, two exit passageway assignment of traffic ratios are adjustable.Threeway switching and flow control valve especially suitable for hot duct.

Description

The dedicated regulating three-way valve of heating device pipeline

Technical field

The utility model belongs to valve field more particularly to a kind of treble ported slide valve.The utility model is suitable for heating system Pipeline medium flow direction switching regulating valve.

Background technique

Traditional three-way valve generallys use three-way ball valve, switches out a mouthful runner, this three-way ball valve using sphere rotation It is not suitable for hot duct.Currently, northern winter heating heating system substantially uses tandem is unified to heat, usually to one Building, a company, an even section carry out unified heating, when wherein spot heating's device fails needs are stopped the supple of gas or steam maintenance When, need the entire section to unified heating to stop heating；Or certain customers are not when needing heating, due to being supplied using tandem Heating coil road can not also be turned off heating, cause energy loss.For this purpose, Chinese utility model patent number is The treble ported slide valve of CN200620042615.1 provides a kind of gate valve that can individually cut off spot heating's equipment, works as certain customers Or a user goes out when not needing heating for a long time, can cut off heating without influence other users heating.It is mainly lacked Point is the basic structure that product changes existing gate valve completely, and structure is complicated, and spool is easy to wear, poor sealing performance；Moreover, existing Three-way valve can not be in the case where keeping exporting the constant situation of total flow, and one of exit passageway flow is adjusted in realization, and Unify in hot duct system in tandem, when adjusting the flow of one of user pipe, needs to keep the user downstream Pipeline total flow is constant.

Summary of the invention

The purpose of this utility model be for disadvantage of the existing technology, provide a kind of simple structure, good seal performance, The dedicated regulating three-way valve of heating device pipeline of adjustable outlet conduit assignment of traffic ratio.

The technical solution of the utility model includes valve body, valve deck, valve rod, flashboard, handwheel；It is adopted between valve rod lower end and flashboard With inverted T shaped connection, valve rod upper end is connect by the valve stem nut on bracket with handwheel, and setting is filled out between valve rod periphery and valve deck Expect sealing device；Mainly valve body forms three-port structure by intake channel, first outlet channel, second outlet channel, and first Exit passageway center line, second outlet channel centerline, flashboard center line in the same plane with valve rod central axis phase It hands over；First outlet channel entrance end face and second outlet channel entrance end face are respectively equipped with mutually matched with one side plane of flashboard Sealing surface, the flashboard other side are formed with lozenges and lower lozenges, are equipped with and upper wedge shape in the valve chamber on the upside of valve body import channel The mutually matched upper wedging face in face, is equipped in the valve chamber on the downside of valve body import channel and the mutually matched lower wedging of lower lozenges Face；Two sides are respectively equipped with the guide groove along valve rod axis direction at flashboard central plane, and body cavity is equipped with and the guide groove Mutually matched guiding rib；First outlet channel connects the import of user's heater, and second outlet channel passes through bypass pipe and user Heater outlet conduit, downstream line constitute three-way pipeline, install switch valve on user's heater outlet conduit.

Preferably, the intake channel center line of valve body, first outlet channel centerline, second outlet channel centerline are same It is parallel to each other in one plane, first outlet channel centerline and second outlet channel centerline are symmetricly set in intake channel The two sides up and down of heart line.

Preferably, gate sealing surface and first outlet channel sealing surface, second outlet channel sealing surface distinguish built-up welding hard Alloy.

Preferably, the upper wedging face of body cavity and the upper lozenges on lower wedging face and flashboard and lower lozenges difference Pile-up welding hard alloy.

The utility model has the advantages that valve body forms threeway knot by intake channel, first outlet channel, second outlet channel Structure, flashboard are sealed with first outlet channel and the cooperation of second outlet channel respectively, changing flow direction or the stream to two exit passageways Amount allocation proportion is adjusted, and has the spies such as structure simple, good seal performance, two exit passageway assignment of traffic ratios are adjustable Point.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Specific embodiment

The dedicated regulating three-way valve of heating device pipeline as shown in Figure 1, including valve body 1, valve deck 6, valve rod 5, flashboard 4, handwheel 10；Inverted T shaped connection is used between 5 lower end of valve rod and flashboard 4,5 upper end of valve rod passes through the valve stem nut 9 and handwheel 10 on bracket 8 Stuffing seal 7 is arranged in connection between 5 periphery of valve rod and valve deck 6；Valve body 1 by intake channel 12, first outlet channel 3, Second outlet channel 2 forms three-port structure, 3 center line of first outlet channel, 2 center line of second outlet channel, 4 center of flashboard Line in the same plane with 5 vertical and intersectant centerline of valve rod, 3 center line of first outlet channel, 2 center line of second outlet channel It is parallel to each other in the horizontal direction with 4 center line of flashboard；2 input end of 3 inlet end face of first outlet channel and second outlet channel Face, which is respectively equipped with, is formed with lozenges and lower lozenges with the mutually matched sealing surface of 4 one side plane of flashboard, 4 other side of flashboard, It is equipped in the valve chamber of 12 upside of intake channel and the mutually matched upper wedging face 11 of upper lozenges, the valve chamber of 12 downside of intake channel It is interior to be equipped with and the mutually matched lower wedging face 14 of lower lozenges；Two sides are respectively equipped with along 5 axis side of valve rod at 4 central plane of flashboard To guide groove, 1 internal chamber wall of valve body be equipped with and the mutually matched guiding rib 13 of the guide groove.4 central plane of flashboard Refer to the plane by 5 center line of valve rod and with 4 central axis of flashboard.First outlet channel 3 connect user's heater 15 into Mouthful, second outlet channel 2 constitutes three-way pipeline by bypass pipe and 15 outlet conduit of user's heater, downstream line, in user Switch valve 16 is installed on 15 outlet conduit of heater.In user's 15 normal heating of heater, 15 outlet conduit of user's heater On switch valve 16 it is in the open state, flashboard 4 and second outlet channel 2 sealing cooperate, 12 medium of intake channel pass through first Exit passageway 3 enters user's heater 15, then flows out to downstream line from 15 outlet conduit of user's heater；When needing user to take When warmer 15 stops heating, the switch valve 16 on 15 outlet conduit of user's heater is closed, flashboard 4 and first outlet channel 3 Sealing cooperation, 12 medium of intake channel are flowed into downstream line by second outlet channel 2, bypass pipe；When needing to adjust user When 15 flow of heater, flashboard 4 is moved between first outlet channel 3 and second outlet channel 2,12 medium one of intake channel Part by first outlet channel 3 enter user's heater 15 enter downstream line, another part by second outlet channel 2, Bypass pipe is fed directly to downstream line, realizes that user's heater flow is adjusted, and the total flow for entering downstream line is constant, no Influence downstream user heating pressure.

12 center line of intake channel of valve body 1,3 center line of first outlet channel, 2 center line of second outlet channel are same It is parallel to each other in a plane, 3 center line of first outlet channel and 2 center line symmetrical setting of second outlet channel are in intake channel 12 The two sides up and down of center line.

3 sealing surface of 4 sealing surface of flashboard and first outlet channel, 2 sealing surface of second outlet channel distinguish pile-up welding hard alloy, Sealing surface wear-resisting property is improved, so that product is suitable for the industries such as petroleum, chemical industry, electric power, there is the threeway of abrasive media pipeline to cut Change valve.

The upper wedging face 11 of 1 inner cavity of valve body and upper lozenges and lower lozenges difference on lower wedging face 14 and flashboard 4 Pile-up welding hard alloy reduces and wears between 4 lozenges of flashboard and 1 wedging face of valve body, improves 4 sealing surface of flashboard and first outlet is logical Sealing matching property between 2 sealing surface of 3 sealing surface of road and second outlet channel.

Claims (2)

1. a kind of dedicated regulating three-way valve of heating device pipeline, including valve body (1), valve deck (6), valve rod (5), flashboard (4), handwheel (10)；Inverted T shaped connection is used between valve rod (5) lower end and flashboard (4), valve rod (5) upper end passes through the valve stem nut on bracket (8) (9) it is connect with handwheel (10), stuffing seal (7) is set between valve rod (5) periphery and valve deck (6)；It is characterized in that valve body (1) three-port structure, first outlet channel are formed by intake channel (12), first outlet channel (3), second outlet channel (2) (3) center line, second outlet channel (2) center line, flashboard (4) center line hang down with valve rod (5) center line in the same plane Straight intersection, first outlet channel (3) center line, second outlet channel (2) center line and flashboard (4) center line are in the horizontal direction It is parallel to each other；First outlet channel (3) inlet end face and second outlet channel (2) inlet end face are respectively equipped with and flashboard (4) one The mutually matched sealing surface of side plane, flashboard (4) other side are formed with lozenges and lower lozenges, on the upside of intake channel (12) It is equipped in valve chamber with the mutually matched upper wedging face (11) of upper lozenges, is equipped in the valve chamber on the downside of intake channel (12) and hyposphene The mutually matched lower wedging face (14) in shape face；Two sides are respectively equipped with leading along valve rod (5) axis direction at flashboard (4) central plane To slot, valve body (1) internal chamber wall is equipped with and the mutually matched guiding rib of the guide groove (13)；First outlet channel (3) connection User's heater (15) import, second outlet channel (2) pass through bypass pipe and user's heater (15) outlet conduit, downstream line Three-way pipeline is constituted, switch valve (16) are installed on user's heater (15) outlet conduit.

2. the dedicated regulating three-way valve of heating device pipeline according to claim 1, it is characterized in that the intake channel of valve body (1) (12) center line, first outlet channel (3) center line, second outlet channel (2) center line are parallel to each other in the same plane, First outlet channel (3) center line and second outlet channel (2) center line symmetrical setting are in the upper of intake channel (12) center line Lower two sides.