CN207514558U

CN207514558U - drain valve

Info

Publication number: CN207514558U
Application number: CN201721515229.4U
Authority: CN
Inventors: 张金国
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-11-14
Filing date: 2017-11-14
Publication date: 2018-06-19
Anticipated expiration: 2027-11-14

Abstract

The utility model provides drain valve, including：Valve seat and the outlet pipe vertically set through valve seat, the outlet pipe upper port are set as into water port, and the water inlet port overlying is stamped plug；The connecting rod being connected on the plug is further included, described connecting rod one end is hinged with the bearing being connected on valve seat, and the connecting rod other end is connected with floating ball.The utility model drain valve is simple in structure, easy to use, and effectively steam is detached with condensation water while can the condensation water that gathered in valve be discharged in time, prevents the leakage of steam.

Description

Drain valve

Technical field

The utility model is related to vapour system using equipment, specifically, being related to a kind of drain valve.

Background technology

With economic continuous development, steam is essential in most industrial circles as important secondary energy sources, especially It in papermaking, prevents, need largely to use steam in the industrial processes such as print and dye, drain valve is for steam heating equipment and steam On official road, can automatically in purging line and steam is using condensation water, air and other incoagulable gases in equipment, and The automatic valve that can prevent steam from leaking.

In existing technology, loose float trap is the density contrast principle using condensation water and steam, will be hollow Floating ball be placed on without restrictions drain valve valve inner be used as complete on-off action flap, floating ball can freely rise or Decline, so as to which drain valve be allowed to open, be closed, loose float trap is with manufacturing process is advanced, performance is stable, energy-saving effect Well, the advantages of service life is long, cost-effective, so as to be widely used.

But the prior art is had one disadvantage in that exactly when since the condensation water in valve body is as water-exit vertically pipe is arranged outward Water, condensation water in outlet pipe by gravity influence be discharged outward, mass rate of emission is slower, in some instances it may even be possible to outlet pipe into Water end (W.E.) forms moisture film, influences the normal discharge of condensation water.

Utility model content

In order to achieve the above objectives, the utility model discloses drain valve, including：It valve seat and is vertically set through valve seat The outlet pipe put, the outlet pipe upper port are set as into water port, and the water inlet port overlying is stamped plug；Connection is further included to set The connecting rod being placed on the plug, described connecting rod one end and bearing (hinged, the connecting rod other end company being connected on valve seat It is equipped with floating ball.

In order to which plug is enable to come into full contact with outlet pipe water inlet end, prevent from leading because floating ball is contacted with valve seat interior surface Cause plug that cannot normally block outlet pipe water inlet end, preferred technical solution is that the outlet pipe water inlet end is higher than table in valve seat Face lower end.

Outlet pipe water inlet end can be fully blocked for the ease of plug, preferred technical solution is that the plug is set as ball Type structure, the plug diameter are more than caliber in the outlet pipe.

For the ease of creating better waterpower flox condition, preferred technical solution is to further include arc drip pan, described The wide openend of arc drip pan is connect with outlet pipe water outlet, and thin openend and the siphon bend of the arc drip pan connect It connects.

In order to ensure more efficient drainage efficiency, preferred technical solution is that the siphon bend is set as inverted U knot Structure, described shorter one end of siphon bend are connect with arc drip pan.

The utility model has the following advantages that：

(1) drain valve provided by the utility model, in use, being installed on the discharge outlet of steam heating equipment or jet chimney On, plug can block the water inlet port of outlet pipe at this time, and the condensation water generated in steam heating equipment and jet chimney can be stagnant It staying on valve seat, after the condensation water of generation did not had floating ball, floating ball floats under buoyancy, and plug is driven to rise and is come, So that condensation water enters outlet pipe by the port that intakes.Therefore, hollow float is placed in the valve body of drain valve without restrictions Portion is used as the flap for completing on-off action, and floating ball can freely rise or fall, so as to which drain valve be allowed to open, be closed, freely Free Float Type Steam Trap has the advantages that manufacturing process is advanced, performance is stable, good energy-conserving effect, service life are long, cost-effective.

(2) the drain valve outlet pipe water outlet is connected with arc drip pan and siphon bend, passes through arc drip pan Better waterpower flox condition is created, the quick liquid stream of pulse is formed by siphon bend, ensure that more efficient drainage efficiency.

Description of the drawings

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be some embodiments of the present invention, for those of ordinary skill in the art, do not making the creative labor Under the premise of, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is 1 structure chart of the utility model embodiment；

Fig. 2 is located at clearance portion lower position figure for 2 floating ball of the utility model embodiment；

Fig. 3 is located at clearance portion top position figure for 2 floating ball of the utility model embodiment；

Fig. 4 is structure chart of 2 bearing of the utility model embodiment in another location；

Fig. 5 is 2 bearing schematic diagram of the utility model embodiment.

In figure:1. valve seat；2. outlet pipe；3. plug；4. connecting rod；5. bearing；6. floating ball；7. arc drip pan；8. siphon Bend pipe；9. liquid level, 10. ropes；2-1. upper tube；2-2. down tube；2-3. clearance portion；2-4. rhone；5-1. swivel；5-2. Screw rod.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment in the utility model, this field Those of ordinary skill's all other embodiments obtained without making creative work, belong to the utility model The range of protection.

Embodiment 1

The utility model is described further below in conjunction with attached drawing.

As shown in Figure 1, drain valve provided in this embodiment, including：Valve seat 1 and vertically through valve seat 1 set Outlet pipe 2,2 upper port of outlet pipe are set as into water port, and the water inlet port overlying is stamped plug 3；Connection is further included to set The connecting rod 4 being placed on the plug 3, described 4 one end of connecting rod and the bearing 5 being connected on valve seat 1 are hinged, and the connecting rod 4 is another One end is connected with floating ball 6.

In order to which plug 3 is enable to be come into full contact with 2 water inlet end of outlet pipe, prevent because floating ball 6 is contacted with 1 inner surface of valve seat And causing plug 3 that cannot normally block 2 water inlet end of outlet pipe, the embodiment of the utility model is 2 water inlet end of outlet pipe Higher than 1 inner surface lower end of valve seat.

2 water inlet end of outlet pipe can be fully blocked for the ease of plug 3, the embodiment of the utility model is, described stifled First 3 are set as ball shape structure, and 3 diameter of plug is more than caliber in the outlet pipe 2.

For the ease of creating better waterpower flox condition, the embodiment of the utility model is to further include arc to catchment Bucket 7, the wide openend of the arc drip pan 7 is connect with 2 water outlet of outlet pipe, the thin openend of the arc drip pan 7 and Siphon bend 8 connects.

In order to ensure more efficient drainage efficiency, the embodiment of the utility model is that the siphon bend 8 is set as down U-shaped structure, described 8 shorter one end of siphon bend are connect with arc drip pan 7.

The drain valve is in use, drain valve is installed in the discharge outlet of steam heating equipment or drainage pipeline, at this time Due to the temperature difference outside the steam in steam heating equipment or drainage pipeline and steam heating equipment or drainage pipeline, cause in it Steam condensation, generate condensation water, due to the leakproofness of steam heating equipment or drainage pipeline, lead to condensation water on valve seat 1 End accumulation is more and more, and when condensation water water level is less than 6 position of float, plug 3 blocks up 2 upper end water inlet of outlet pipe, and when solidifying It bears water when reaching 6 liquid level of float, since the buoyancy of float drives connecting rod 4, for center of circle rotation, to be now placed on connecting rod 4 with bearing 5 Plug 3 also and then float together, plug 3 be detached from 2 upper end water inlet of outlet pipe, condensation water just pass through 2 upper end of outlet pipe intake Mouth is into outlet pipe, so that condensation water is discharged outside valve seat 3, when condensation water water level is less than 6 height of float, float 6 and drive Plug 3 is moved down with bearing 5 for the center of circle, and plug 3 is covered in 2 upper end water inlet of outlet pipe again, and condensation water is being arranged in valve seat 1 During going out, gathered in 9 front half section of arc drip pan 7 and siphon bend into the condensation water in outlet pipe 2, when accumulation When condensation water is reached up to liquid level 9, siphonage can be formed, and condensation water discharges valve seat 1 through siphon bend 8, thus realized and added The discharge of condensation water in fast valve seat 1.

Embodiment 2

As shown in Fig. 2, the drain valve of the present embodiment design, the drain valve include：Valve seat 1, through setting on the valve seat 1 Opening is equipped with, the opening is equipped with outlet pipe 2, and the outlet pipe 2 divides for upper tube 2-1 and down tube 2-2, the upper tube 2-1 The inner wall that the lateral wall of lower end and the valve seat 1 correspond to the open upper end connect, the lateral wall of the down tube 2-2 upper ends and The inner wall that the valve seat 1 corresponds to the open upper end connects, and between being formed between the upper tube 2-1 and the down tube 2-2 Gap portion 2-3,1 upper end of valve seat are internally provided with rhone 2-4, and the rhone 2-4 Single ports are connected with 1 top of valve seat and set It puts, the rhone 2-4 another port connects setting with the clearance portion 2-3；Bearing 5 is provided on 1 upper surface of valve seat, The top of the bearing 5 is hinged with 4 one end of connecting rod, and 4 other end of connecting rod is connected with floating ball 6, and 4 middle part of connecting rod rides over On the upper surface of upper tube 2-1, connecting rod 4 is connect corresponding to 2 aperture position of outlet pipe with one end of rope 10, the rope 10 The other end is connect with plug 3, and the plug 3 is inscribed within 2 inner wall of outlet pipe, and floating ball 6 drives connecting rod 4 to lift, and is driven described stifled First 3 lift in the outlet pipe 2, when floating ball 6 drives the connecting rod 4 to rise, plug 3 rise to the clearance portion 2-3 and block it is described between Gap portion 2-3.

During drain valve work provided by the utility model, as shown in Fig. 2, when there is no condensation water in valve seat 1, due to gravity Effect, the connecting rod 4 is placed in 2 upper end of outlet pipe, and the plug 10 is located in down tube 2-2, since rhone 2-4 is connected at The junction of upper tube 2-1 and down tube 2-2, therefore plug 10 is located at the work that can be played in down tube 2-2 and block condensation water in valve body 1 With, when start in valve seat 1 gather condensation water when, condensation water is flowed directly to by rhone 2-4 in outlet pipe 2, but at this time due to Condensation water water level is also less than 6 position of floating ball, therefore the plug 3 in down tube 2-2 will not float up as floating ball 6, this When plug 3 block rhone 2-4, therefore the condensation water in valve seat 1 will not be flowed out from outlet pipe 2 outside valve seat 1.As shown in figure 3, and When the condensation water water level gathered in the valve seat 1 increases to 6 position of floating ball, floating ball 6 is moved upwards due to buoyancy at this time, floating ball 6 Connecting rod 4 is driven to be moved upwards with bearing 5 for the center of circle, and the plug 3 being connect by rope 10 with connecting rod is at this time also in outlet pipe 2 It is lifted up, when the point of contact of floating ball 6 and outlet pipe 2 is located at rhone 2-4, the condensation water in valve seat 1 is arranged from rhone 2-4 Go out.

As different from Example 1, the outlet pipe 2 is equipped with upper tube 2-1 and down tube 2-2, the upper tube 2-1 lower ends it is outer The inner wall that side wall corresponds to the open upper end with the valve seat 1 is connect, lateral wall and the valve seat of the down tube 2-2 upper ends 1 inner wall for corresponding to the open upper end connects, and clearance portion 2-3 is formed between the upper tube 2-1 and down tube 2-2, described 1 upper end of valve seat is internally provided with rhone 2-4, and the rhone 2-4 Single ports connect setting, the rhone with 1 top of valve seat 2-4 another port connects setting with the clearance portion 2-3, since the water inlet end opposite valve seat 1 of the outlet pipe 2 of embodiment 1 has one Fixed height, causes the condensation water impurity in valve seat 1 that cannot drain completely, if things go on like this, it may appear that impurity deposited in valve seat 1 Phenomenon occurs, therefore the water inlet end of outlet pipe 2 is located at and is conducive to the condensation water in valve seat 1 above valve seat 1 and is blended in solidifying Impurity in bearing water is completely exhausted out.

For the ease of the discharge of condensation water in valve body, the embodiment of the utility model is that the rhone 2-4 is equipped with more It is a and circumferentially distributed along axis centered on outlet pipe 2.

As shown in figure 5, for the ease of the discharge situation of condensation water in control drain valve, the real-time proposals of the utility model It is that the bearing 5 includes screw rod 5-2 and the swivel 5-1 being connect with one end, the swivel 5-1 upper ends and company 4 one end of bar is hinged, and 1 lower end of valve seat is equipped with the screw hole that cooperation screw rod 5-2 is used, and 5 phase of bearing is controlled by rotary screw 5-2 To the height of 1 lower end inner surface of valve seat, so as to control 6 opposite valve seat of floating ball, the 1 lower face table for being connected to 4 other end of connecting rod The height in face, so as to control the operation for how much carrying out draining in drain valve according to condensation water water level.

In order to further preferably design, the screw rod 5-2 upper ends are connected with T-shaped convex block, the swivel 5-1 lower ends Equipped with the T-shaped groove being used in combination with T-shaped convex block, when screw rod 5-2 is rotated, it is movably connected in the rotation of screw rod 5-2 upper ends Connector 5-1 will not follow screw rod 5-2 to rotate while moving up and down.

As different from Example 1, the bearing 5 of the present embodiment can move up and down, as shown in figure 4, when bearing 5 is high When degree is less than upper tube 2-1 height, connecting rod 4 and outlet pipe 2 are close to 5 end in contact of bearing, therefore the height of floating ball 6 is higher than bearing 5 height, on the contrary, as shown in Fig. 2, when 5 height of bearing is higher than upper tube 2-1 height, connecting rod 4 is with outlet pipe 2 far from bearing 5 End in contact, at this time the height of floating ball 6 be lower than the height of bearing 5.It can be risen by the height for adjusting 4 one end bearing 5 of connecting rod To the covert height adjusted positioned at 4 other end floating ball 6 of connecting rod, so as to carry out the operation of draining according to condensation water water level.

Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or Among changing still in the protection domain of the invention.

Claims

1. a kind of drain valve, which is characterized in that including：Valve seat (1) and the outlet pipe vertically set through valve seat (1) (2), outlet pipe (2) upper port is set as into water port, and the water inlet port overlying is stamped plug (3)；Connection is further included to set The connecting rod (4) being placed on the plug (3), described connecting rod (4) one end and the bearing (5) being connected on valve seat (1) are hinged, institute It states connecting rod (4) other end and is connected with floating ball (6).

2. drain valve according to claim 1, which is characterized in that the plug (3) is set as ball shape structure, the plug (3) diameter is more than the outlet pipe (2) interior caliber.

3. drain valve according to claim 1, which is characterized in that further include arc drip pan (7), the arc drip pan (7) wide openend is connect with outlet pipe (2) water outlet, and thin openend and the siphon bend (8) of the arc drip pan (7) connect It connects.

4. drain valve according to claim 3, which is characterized in that the siphon bend (8) is set as inverted U-shaped structure, described Siphon bend (8) shorter one end is connect with arc drip pan (7).