CN208595250U - A kind of gate valve with antirust function - Google Patents

Abstract

A kind of gate valve with antirust function, water inlet, water outlet including valve body and set on valve body left and right ends, valve body upper center is equipped with the mesoporous to connect with valve inner space, valve rod is installed in mesoporous, valve rod upper end is pierced by mesoporous and is connected with handwheel, valve rod lower end penetrates valve inner space and is connected with opening and closing element, and an accommodating chamber is equipped in the valve body top, and mesoporous is connected by accommodating chamber and valve inner space；The stem lower portion is located in accommodating chamber, and a bellows set is arranged with outside stem lower portion；The accommodating chamber upper inside walls are fixed with a fixed ring；Fixed ring lower surface is fixed in the bellows set upper side, and opening and closing element upper surface is fixed in bellows set lower end；An oil pocket is equipped in the stem lower portion；A guide rod is equipped in the oil pocket.The gate valve for having antirust function of the utility model can effectively avoid occurring the case where rustization between valve rod and mesoporous, guarantee the proper motion of valve rod.

Description

A kind of gate valve with antirust function

Technical field

The utility model relates to a kind of gate valve, especially a kind of gate valve with antirust function.

Background technique

Gate valve is a kind of device that water flow flowing is controlled by opening and closing element, and when control gate valve opens or closes, work people Member can drive stem movement by turn handwheel, to drive opening and closing element to move up or fall by valve rod, actually use Cheng Zhong, due to temperature difference relationship or other reasons, the case where then will appear steam between the matched mesoporous of valve rod, steam Accumulation easily cause valve rod and mesoporous inner wall the case where rustization occur, cause the gap between valve rod and mesoporous to become smaller, influence valve Bar rotates freely, and when serious, directly will appear the stuck situation of rustization, if directly being revolved at this time by handwheel to valve rod It is dynamic, it is possible to which that the case where directly contributing valve stem crack, valve stem crack is in mesoporous, and it will cause entirely scrapping for gate valve.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of gate valves with antirust function, it can effectively be avoided Occur the case where rustization between valve rod and mesoporous, guarantees the proper motion of valve rod.

The technical scheme in the invention for solving the above technical problem are as follows:

The utility model discloses a kind of gate valve with antirust function, including valve body and set on valve body left and right ends into The mouth of a river, water outlet, valve body upper center are equipped with the mesoporous to connect with valve inner space, are equipped with valve rod, valve rod in mesoporous Upper end is pierced by mesoporous and is connected with handwheel, and valve rod lower end penetrates valve inner space and is connected with opening and closing element, it is characterised in that: institute It states and is equipped with an accommodating chamber in valve body top, mesoporous is connected by accommodating chamber and valve inner space；The stem lower portion is located at In accommodating chamber, a bellows set is arranged with outside stem lower portion；The accommodating chamber upper inside walls are fixed with a fixed ring；The wave Fixed ring lower surface is fixed in the flexible set upper side of line, and opening and closing element upper surface is fixed in bellows set lower end；The stem lower portion Inside it is equipped with an oil pocket；A guide rod is equipped in the oil pocket；The oil pocket top is equipped with the positive magnetic to match with guide rod Plate, positive magnetic sheet can be moved up or be moved down along guide rod；A spring is equipped between the anode magnetic sheet and oil pocket bottom surface；The oil An oil pipe road is equipped with above chamber, oil pipe Lu Buyu oil pocket connects；It is in by several between the oil pipe road and oil pocket The connecting line of even circumferential distribution connects；Lubricating oil is all filled in the oil pipe road, connecting line and oil pocket；It is described Connecting line upper end is connected to the bottom on oil pipe road, and connecting line lower end is connected to the bottom of oil pocket；The oil pipe road Side is held to be equipped with an oil outlet, oil outlet aperture is located on the outer wall of valve rod；The stem lower portion outer wall is equipped with one in a ring Sliding slot；The fixed ring is connected with a positive magnet ring to match with sliding slot, has row between positive magnet ring and positive magnetic sheet Denounce spacing；The fixed ring is equipped with several outages.

There is sliding spacing between the anode magnet ring and sliding slot slot bottom.

The oil outlet front end is in beloid funnel-form, and an installation step, installation are equipped in the oil outlet front end One pressure ring is installed on step；A sponge is equipped on the right side of the pressure ring；A dead ring is bolted on the right side of the sponge, dead ring will Sponge compressing is on pressure ring.

The oil pipe road side is connected with a filling conduit, and filling conduit lower end is equipped with an one-way slabs；The oil filling pipe The upper port on road is located on the outer wall on valve rod top, and plug cock is bolted at upper port.

The beneficial effects of the utility model are:

Compared with prior art, it can be moved up in opening and closing element using the gate valve with antirust function of the utility model structure When, it is automatically fuel-displaced from oil outlet, and oil outlet aperture is located on valve rod outer wall, with the rotation of valve rod, lubricating oil then can be slowly It is covered with the position that valve rod is matched with mesoporous, in the case where being filled with lubricating oil, can effectively avoids leading since steam enters The case where causing rustization, the most of lubricating oil flowed out from oil outlet can then be fallen by the gap between valve rod and mesoporous, be fallen Lubricating oil can then be entered by outage bellows set in, then savings bellows set in, when bellows set When shrinking upwards, the lubricating oil of savings can be then squeezed into the gap in the gap between valve rod and mesoporous, again serve to lubrication Effect, utmostly guarantees rust-proof effect, avoids the occurrence of the situation for causing valve rod stuck due to rustization.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for the gate valve that the utility model has antirust function；

Fig. 2 is the enlarged drawing in the portion A of Fig. 1；

Fig. 3 is the enlarged drawing in the portion B of Fig. 1.

Specific embodiment

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

It please refers to Fig.1 to Fig.3, the utility model provides a kind of gate valve with antirust function, including valve body 1 and is set to Water inlet 2, the water outlet 3 of 1 left and right ends of valve body, 1 upper center of valve body are equipped with the mesoporous 4 to connect with 1 inner space of valve body, Valve rod 5 is installed, 5 upper end of valve rod is pierced by mesoporous 4 and is connected with handwheel 6, and 5 lower end of valve rod penetrates 1 inner space of valve body in mesoporous 4 And it is connected with opening and closing element 7, an accommodating chamber 8 is equipped in 1 top of valve body, mesoporous 4 passes through accommodating chamber 8 and 1 inner space of valve body It connects；5 lower part of valve rod is located in accommodating chamber 8, and bellows set 9 is arranged with outside 5 lower part of valve rod；The accommodating chamber 8 Upper inside walls are fixed with a fixed ring 10；The bellows cover 9 upper ends and are fixed on 10 lower surface of fixed ring, bellows set 9 7 upper surface of opening and closing element is fixed in lower end；An oil pocket 11 is equipped in 5 lower part of valve rod；A guide rod is equipped in the oil pocket 11 12；11 top of oil pocket is equipped with a positive magnetic sheet 13 to match with guide rod 12, and positive magnetic sheet 13 can be along guide rod 12 It moves up or moves down；A spring 14 is equipped between the anode magnetic sheet 13 and 11 bottom surface of oil pocket；It is logical that one is equipped with above the oil pocket 11 Oil pipe line 15, oil pipe road 15 do not connect with oil pocket 11；Between the oil pipe road 15 and oil pocket 11 by it is several circumferentially Equally distributed connecting line 16 connects；Lubricating oil is all filled in the oil pipe road 15, connecting line 16 and oil pocket 11； 16 upper end of connecting line is connected to the bottom on oil pipe road 15, and 16 lower end of connecting line is connected to the bottom of oil pocket 11；Institute 15 upper end side of oil pipe road is stated equipped with an oil outlet 17,17 aperture of oil outlet is located on the outer wall of valve rod 5；Under the valve rod 5 Portion's outer wall is equipped with a sliding slot 18 in a ring；The fixed ring 10 is connected with a positive magnet ring 19 to match with sliding slot 18, Have between positive magnet ring 19 and positive magnetic sheet 13 and repels spacing 20；The fixed ring 10 is equipped with several outages 21.

There is sliding spacing 22 between the anode magnet ring 19 and 18 slot bottom of sliding slot.

17 front end of oil outlet is in beloid funnel-form, is equipped with an installation step in 17 front end of oil outlet 23, a pressure ring 24 is installed on installation step 23；A sponge 25 is equipped on the right side of the pressure ring 24；It is bolted on the right side of the sponge 25 One dead ring 26, dead ring 26 press sponge 25 on pressure ring 24.

A filling conduit 27 is connected with above the oil pipe road 15,27 lower end of filling conduit is equipped with an one-way slabs 28；Institute The upper port for stating filling conduit 27 is located on the outer wall on 5 top of valve rod, and plug cock 29 is bolted at upper port.

The application method of the utility model is as follows:

Staff can be such that valve rod 5 moves by turn handwheel 6, at this time valve rod 5 then will drive opening and closing element 7 move up or Person moves down, when valve rod 5 drive opening and closing element 7 move up when, bellows set 9 then can automatic telescopic, therefore will not to valve rod 5 and opening and closing The movement of part 7 impacts, and when valve rod 5 constantly moves up, the spacing of positive magnetic sheet 13 and positive magnet ring 19 then can constantly become smaller, The repulsive force of positive magnetic sheet 13 and positive magnet ring 19 constantly becomes larger at this time, and anode magnet ring 19 be then it is fixed, this stock is not The disconnected repulsive force to become larger can then push down on positive magnetic sheet 13, make positive magnetic sheet 13 under the track of guide rod 12 It moves, and is all filled with lubricating oil in oil pipe road 15, connecting line 16 and oil pocket 11, when positive magnetic sheet 13 moves down, positive magnetic Plate 13 can then press the lubricating oil in oil pocket 11, to make lubricating oil be flowed into connecting line 16, to push logical Lubricating oil in oil pipe line 15 is flowed into oil outlet 17, is finally discharged from oil outlet 17, and 17 aperture of oil outlet is located at valve rod 5 On outer wall, with the rotation of valve rod 5, lubricating oil then can slowly be covered with the position that valve rod 5 is matched with mesoporous 4, be filled with profit In the case where lubricating oil, most of profit that the case where leading to rustization is entered due to steam, is flowed out from oil outlet 17 can be effectively avoided Lubricating oil can then be fallen by the gap between valve rod 5 and mesoporous 4, and the lubricating oil of whereabouts then can enter ripple by outage 21 In telescopic 9, then savings is in bellows set 9, and when bellows set 9 is shunk upwards, the lubricating oil of savings then can be by It is squeezed into the gap in the gap between valve rod 5 and mesoporous 4, again serves to lubricating action, utmostly guarantee rust-proof effect, keep away Exempt from the situation for occurring causing valve rod 5 stuck due to rustization, while bellows set 9 can effectively play the effect of oil-leakage-prevention, keep away Exempt from the case where causing the liquid that need to be conveyed to be contaminated due to oil seepage to 1 inner space of valve body.

There is sliding spacing, the presence of sliding spacing 22 can effectively avoid just between 18 slot bottom of positive magnet ring 19 and sliding slot Magnet ring 19 inner hole inner wall in pole is bonded with the groove face of sliding slot 18 closely causes valve rod 5 to move up the case where having some setbacks very much.

It is equipped with installation step 23 in 17 front end of oil outlet, pressure ring 24 is installed on installation step 23, is equipped on the right side of pressure ring 24 Sponge 25, is bolted with dead ring 26 on the right side of sponge 25, and dead ring 26 presses sponge 25 on pressure ring 24, sponge 25 there are energy Enough make lubricating oil fuel-displaced on a small quantity, avoid lubricating oil from disposably spraying causes lubrication the case where being not enough too much, and pressure ring 24 with The presence of dead ring 26 can effectively avoid oil pressure is excessive sponge 25 is caused to be extruded to outside oil outlet 17, and 17 front end of oil outlet In beloid funnel-form, oil pressure can be improved by constantly narrowed aperture, increase the pressure that hydraulic oil ejects, protected Card 4 inner wall of mesoporous can be effectively lubricated.

Filling conduit 27 is connected with above oil pipe road 15,27 lower end of filling conduit is equipped with one-way slabs 28, filling conduit 27 Upper port be located on the outer wall on 5 top of valve rod, plug cock 29 is bolted at upper port, the presence of one-way slabs 28 can be avoided effectively The lubricating oil on oil pipe road 15 is flowed into filling conduit 27 when being extruded, it is ensured that and it is fuel-displaced from oil outlet 17, work as lubrication oil consumption When to a certain extent, staff can unscrew plug cock 29, carry out oiling work by the port of filling conduit 27, single when oiling It can then be opened downwards to plate 28, after the completion of oiling, cycle plug cock 29.

Claims (4)

1. a kind of gate valve with antirust function, water inlet, water outlet including valve body and set on valve body left and right ends, valve body Upper center is equipped with the mesoporous to connect with valve inner space, is equipped with valve rod in mesoporous, valve rod upper end is pierced by mesoporous and company It is connected to handwheel, valve rod lower end penetrates valve inner space and is connected with opening and closing element, it is characterised in that: is equipped in the valve body top One accommodating chamber, mesoporous are connected by accommodating chamber and valve inner space；The stem lower portion is located in accommodating chamber, stem lower portion It is arranged with a bellows set outside；The accommodating chamber upper inside walls are fixed with a fixed ring；The bellows set upper side is fixed In fixed ring lower surface, opening and closing element upper surface is fixed in bellows set lower end；An oil pocket is equipped in the stem lower portion；It is described A guide rod is equipped in oil pocket；The oil pocket top is equipped with a positive magnetic sheet to match with guide rod, and positive magnetic sheet can be along Guide rod is moved up or is moved down；A spring is equipped between the anode magnetic sheet and oil pocket bottom surface；A logical oil is equipped with above the oil pocket Pipeline, oil pipe Lu Buyu oil pocket connect；Pass through several companies being circularly and evenly distributed between the oil pipe road and oil pocket Adapter tube road connects；Lubricating oil is all filled in the oil pipe road, connecting line and oil pocket；The connecting line upper end connection In the bottom on oil pipe road, connecting line lower end is connected to the bottom of oil pocket；It is fuel-displaced that oil pipe road end side is equipped with one Hole, oil outlet aperture are located on the outer wall of valve rod；The stem lower portion outer wall is equipped with a sliding slot in a ring；The fixed ring It is connected with a positive magnet ring to match with sliding slot, has between positive magnet ring and positive magnetic sheet and repels spacing；The fixed ring It is equipped with several outages.

2. a kind of gate valve with antirust function according to claim 1, it is characterised in that: the anode magnet ring and sliding slot There is sliding spacing between slot bottom.

3. a kind of gate valve with antirust function according to claim 1, it is characterised in that: before the oil outlet front end is in Wide funnel-form after narrow is equipped with a pressure ring on installation step equipped with an installation step in the oil outlet front end；The pressure ring Right side is equipped with a sponge；It is bolted with a dead ring on the right side of the sponge, dead ring is by sponge compressing on pressure ring.

4. a kind of gate valve with antirust function according to claim 1, it is characterised in that: the oil pipe road Fang Lian It is connected to a filling conduit, filling conduit lower end is equipped with an one-way slabs；The upper port of the filling conduit is located at the outer of valve rod top On wall, plug cock is bolted at upper port.