CN208024925U

CN208024925U - Ball-cock assembly

Info

Publication number: CN208024925U
Application number: CN201820255475.9U
Authority: CN
Inventors: 杨召泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-13
Filing date: 2018-02-13
Publication date: 2018-10-30
Anticipated expiration: 2028-02-13

Abstract

Ball-cock assembly, it is characterized by comprising the floating ball drive parts of valve body, driving spool action with spool, spool is located at the inlet end of valve body valve port, it is particular in that floating ball drive part includes floating ball, connecting rod, floating ball faces spool drive link and swings up and down, and connecting rod is pierced into from the water outlet of valve body valve port and is fixedly connected on spool.Compared with the prior art the utility model, has the advantages that simple in structure, floating ball drive part is small, can reliably drive spool to abut or leave valve port.

Description

Ball-cock assembly

Technical field

The utility model is related to a kind of valves.

Background technology

Existing ball-cock assembly, otherwise drive the mode of valve switch be from valve port water outlet drive spool or be from Valve port water inlet end drives spool, regardless of mode, the direction of the power of spool is driven all to be perpendicular to valve port, this Sample needs driving force to be more than the power that waterpower forward direction is applied on spool, spool could be moved away to valve port or valve is tight-lipped It leans against on valve port, it is in this case, floating to enhance in order to ensure to have enough driving forces or increase the volume of floating ball Spherical zone moves connecting rod and then the length of the power with movable valve plug or growth connecting rod, enhances the power with movable valve plug by increasing torque, No matter which kind of mode, floating ball drive part is required for bigger volume, and some use occasions, is determined by narrow space, Enough spaces cannot be provided to accommodate existing ball-cock assembly, other use conditions harshnesses, control of high cost can only be used The mode of water level.

Utility model content

The goal of the invention of the utility model be to provide it is a kind of it is simple in structure, floating ball drive part is small, can By ground, driving spool abuts or leaves the ball-cock assembly of valve port.

The utility model is realized in this way include the floating ball drive part that valve body, driving spool with spool act, Spool is located at the inlet end of valve body valve port, is particular in that floating ball drive part includes floating ball, connecting rod, floating ball face It spool drive link to swing up and down, connecting rod is pierced into from the water outlet of valve body valve port and is fixedly connected on spool.

When work, when water level in water pool is less than setting water level, floating ball in the presence of its gravity, is fallen down, the company of drive The bar bottom, then band movable valve plug opens connecting rod along the upper end fulcrum, and the central axes of spool is made to deviate valve port central axes, in spool Axis has angle with valve port central axes shape, and spool lower end is made to leave valve port, after so that the lower end of valve port is opened gap, water Just enter from the gap, the thrust sector of the water of entrance offsets thrust of the water to spool, in this way, the drive of the gravity in floating ball Under, gap maintains to exist, and to open float valve, water injects in pond, when being opened along the upper end fulcrum due to spool Power is therefore, to open required power very little using spool upper end as the power of the torque of fulcrum, in this way, very short connecting rod and very little Floating ball can meet the requirement of power；When the water of injection makes water level in water pool reach setting water level, make connecting rod under the drive of floating ball Upper pendulum makes central axes and the valve port axis parallel of spool, and under the promotion of water inlet, gap disappears, and spool is moved toward valve port It moves and again completely closes valve port.

Here, it is provided with connecting rod stop bit on the valve body outside valve port water outlet.The effect of connecting rod stop bit is to prevent connecting rod Continue upper pendulum, the central axes of spool is caused to deviate valve port central axes, the central axes of spool is made to form one with valve port central axes Angle and so that valve port is opened, with ensure water level in water pool be more than setting water level when, valve remains off.

Valve body outside valve port water inlet end is provided with spring with valve core chamber, in this way, even if hydraulic pressure can be in spring if relatively low Under the action of power, spool is pushed to close valve port.

The utility model compared with the prior art, have it is simple in structure, floating ball drive part is small, can be reliably The advantages of driving spool abuts or leaves valve port.

Description of the drawings：

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

Fig. 2 is the front view of spool；

Fig. 3 is the structural schematic diagram of embodiment 2；

Fig. 4 is utility model works schematic diagram.

Specific implementation mode：

The utility model is described in further detail in conjunction with drawings and examples：

Embodiment 1：Embodiment 1：As shown in Figure 1, the utility model includes that valve body a, driving spool 1 with spool 1 are dynamic The floating ball drive part b of work, spool 1 are located at the inlet end of valve body a valve ports 2, are particular in that floating ball drive part b Including floating ball 3, connecting rod 4, floating ball 3 is fixed on the free end of connecting rod 4, and floating ball 3 faces 1 drive link 4 of spool and swings up and down, even Bar 4 is pierced into from the water outlet of valve body a valve ports 2 and is fixedly connected on spool 1.

It is provided with connecting rod stop bit 5 on valve body a outside 2 water outlet of valve port.

The guide groove 6 parallel with connecting rod swing direction is provided on valve body a outside 2 water outlet of valve port at respective link 4, Connecting rod stop bit 5 is located at the top of guide groove 6, and connecting rod 4 is swung up and down along guide groove 6.

The middle part of connecting rod stop bit 5 is provided with recess 7.The effect of recess 7 is to prevent foreign body retention at connecting rod stop bit 5, is made Connecting rod 4 cannot reach connecting rod stop bit 5 and cause valve that cannot close.

It is provided with spring 8 between valve body a and spool 1 outside 2 water inlet end of valve port.

Part valve body a outside 2 water inlet end of valve port is the pipeline 10 for being threaded connection structure 9, is set in pipeline 10 It is equipped with netted frame 11（Such as stainless (steel) wire）, the setting of spring 8 is between netted frame 11 and spool 1.The effect of netted frame 11 is both played fixed The effect of position spring 8, while the effect of filtering foreign matter is also functioned to, avoiding foreign matter from entering valve port 2 with water prevents spool 1 from by valve Doorway 2 is closed.

The end face of 2 water inlet end of valve port is provided with annular seal cushion 12, spool 1 is using the hard material being not easy to deform Material（Such as ceramics, metal（Stainless steel or copper）, rigid plastics）, using hard material, just it is effective to ensure that the band in connecting rod 4 Under dynamic, as the central axes A deviation 2 central axes B of valve port of spool 1, the central axes A of spool 1 and 2 central axes B of valve port is made to be formed One angle makes 1 lower end of spool leave valve port 2, and the lower end of valve port 2 is made to open seam；Meanwhile it is solid with spool 1 to be also convenient for connecting rod 4 Fixed connection, also, after being fixedly connected, connecting rod 4 and the position relationship of spool 1 will not shift.The end face of 2 water inlet end of valve port Set annular seal cushion 12 ensures that spool 1 covers the sealing of valve port 2.

Water level regulation mechanism 16 is provided on swing rod 13.

As shown in Fig. 2, spool 1 is in the form of annular discs, the periphery of discoid spool 1 is provided with several notches 17.The work of notch 17 With being to work as valve to open, under the driving that flowing water acts on notch 17, spool 1 is set to rotate, in this way, the foreign matter entrained by water Just it is not easy to rest on spool 1 or valve port 2, ensures that the sealing of no foreign materials away valve is closed.

Netted frame 11（Stainless (steel) wire 11）Interference is fixed on by bung flange 18 on the step on 10 inner wall of pipeline.

Embodiment 2：As shown in figure 3, the present embodiment is on the basis of embodiment 1, it is provided between floating ball 3 and connecting rod 4 dynamic Force transmission mechanism c, power drive mechanism c include that one end is fixedly connected with floating ball, and the other end swings the swing rod being connected on valve body a 13, swing rod 13 faces valve port 2 and swings up and down, and the pressing plate 15 for facing connecting rod free end, connecting rod 4 is provided below in swing rod 13 Free end be located in the sphere of action of the pushing of pressing plate 15, swing rod 13 drives connecting rod 4 to lower swing by pressing plate 15.

As shown in figure 4, the technology of the present invention is in use, when pond d water levels are less than setting water level, floating ball 3 passes through swing rod 13 4 bottom of connecting rod is driven, then band movable valve plug 1 is opened along the upper end fulcrum G from valve port 2 connecting rod 4, and the central axes A of spool 1 is made to deviate 2 central axes B of valve port, the central axes the central axes A and valve port B shape of spool 1 have angle D, and 1 lower end of spool is made to leave valve port 2, after so that the lower end of valve port 2 is opened gap F, water just enters from gap F, and the thrust sector of the water of entrance offsets water to spool 1 thrust, in this way, under the drive of the gravity of floating ball 3, gap F maintains to exist, and to open float valve, water injects water In the d of pond；When the water of injection makes pond d water levels reach setting water level, make swing rod 13 on the drive lower band dynamic pressure plate 15 of floating ball 3 Pendulum, under the pressure effect of water inlet, spool 1 gradually resets, and connecting rod 4 is up ajusted also with the reset of spool 1, if using real The technology of example 1 is applied, floating ball 3 then directly drives on connecting rod 4 and ajusts, and keeps the central axes A and 2 central axes B of valve port of spool 1 flat Row, under the promotion of water inlet, gap F disappears, and spool 1 moves toward valve port 2 and again completely closes valve port 2.

Claims

1. ball-cock assembly, it is characterised in that include the floating ball drive part that valve body, driving spool with spool act, spool is located at The inlet end of valve body valve port is particular in that floating ball drive part includes floating ball, connecting rod, and floating ball faces spool drive Dynamic connecting rod is swung up and down, and connecting rod is pierced into from the water outlet of valve body valve port and is fixedly connected on spool.

2. ball-cock assembly according to claim 1, it is characterised in that be provided with connecting rod on the valve body outside valve port water outlet Stop bit.

3. ball-cock assembly according to claim 2, it is characterised in that on the valve body outside valve port water outlet at respective link It is provided with the guide groove parallel with connecting rod swing direction, connecting rod stop bit is located at the top of guide groove, and connecting rod is swung up and down along guide groove.

4. ball-cock assembly according to claim 3, it is characterised in that be provided with recess in the middle part of connecting rod stop bit.

5. ball-cock assembly according to claim 1 or 2 or 3 or 4, it is characterised in that the valve body outside valve port water inlet end and valve Spring is provided between core.

6. ball-cock assembly according to claim 5, it is characterised in that the part valve body outside valve port water inlet end is to carry The pipeline of screw connection structure is provided with netted frame spring in pipeline and is arranged in netted frame and valve core chamber.

7. ball-cock assembly according to claim 6, it is characterised in that netted frame is fixed on the platform in inner wall of the pipe by bung flange On rank.

8. according to the ball-cock assembly described in claims 1 or 2 or 3 or 4 or 6 or 7, it is characterised in that in the end face of valve port water inlet end It is provided with annular seal cushion, spool is using the hard material being not easy to deform.

9. ball-cock assembly according to claim 8, it is characterised in that the material of spool is rigid plastics either stainless steel, valve Core is in the form of annular discs, and the periphery of discoid spool is provided with several notches.

10. according to the ball-cock assembly described in claims 1 or 2 or 3 or 4 or 6 or 7 or 9, it is characterised in that be arranged between floating ball and connecting rod Dynamic transmission mechanism, power drive mechanism include that one end is fixedly connected with floating ball, and the other end swings the pendulum being connected on valve body Bar, swing rod face valve port and swing up and down, and the pressing plate for facing connecting rod free end is provided below in swing rod, and swing rod passes through pressing plate （15）Drive connecting rod to lower swing.