CN204756025U - Combined valve - Google Patents

Abstract

Combined valve, including the valve body, the valve body includes water inlet and delivery port, the valve body is cut apart into two cavitys by the protruding piece of annular, with the delivery port complex be first cavity, with the water inlet complex be the second cavity, the liquid of delivery port is withstood by the movable iron core component control of case through its below, is provided with the steel pipe on the plastics pipe of delivery port, steel pipe diameter is less than 0.3mm, length is greater than the total of diameter with the thickness of the plastics pipe of its below of delivery port. The utility model discloses following beneficial effect has: change the mode of original interpolation steel pipe, directly can adopt injection moulding, simplified manufacturing process, saved economic cost.

Description

Combination brake switch and proporting

Technical field

The utility model relates to machinery and manufactures processing technique field, particularly combination brake switch and proporting.

Background technique

Valve is controlling component in pipeline fluid transporting system, and it is used to change path section and media flow direction, has the functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.For the valve that fluid controls, valve used from the simplest stop valve to very complicated robot control system(RCS), its kind and specification various, the inside nominal diameter of valve reaches greatly the industrial pipeline valve of 10m to latus rectum from atomic little Gauge Valves.Valve can be used for controlling all kinds such as water, steam, oil product, gas, mud, various Korrosionsmedium, liquid metal and radioactive fluid and fluidly flows, the working pressure of valve can ultrahigh pressure from 0.0013MPa to 1000MPa, and operating temperature is from the ultralow temperature of-269 DEG C to the high temperature of 1430 DEG C.The control of valve can adopt the multiple kind of drive, as manual, electronic, surge, pneumatic, turbine, electromagnetic driven, electromagnetism surge, electricity surges, air-or liquid-operated, spur wheel, umbrella gear driving etc.; Can under the effect of pressure, temperature or other form transducing signal, by predetermined requirement action, or do not rely on transducing signal and simply open or close, valve rely on drive or automechanism makes open-shut device be elevated, slippage, swing or rotation motion, thus the size changing its Flow area is to realize its controlling functions.

On valve, the mounting type of steel pipe originally adopts to arrange a soft little opening in the side of valve body, then by people is manual, the steel pipe of umbrella handle shape is filled in in valve body from little opening one by one, umbrella handle shape is utilized to be communicated with water outlet and water inlet, very inconvenient, and cost is higher.

Summary of the invention

For deficiency of the prior art, the utility model provides combination brake switch and proporting, solves above-mentioned problem.

The utility model is achieved through the following technical solutions.

Combination brake switch and proporting, comprise valve body, valve body comprises water intake and water outlet, valve body is divided into two cavitys by annular protrusion part, and what coordinate with water outlet is the first cavity, and what coordinate with water intake is the second cavity, the liquid of water outlet is controlled to withstand by the movable core assembly below it by spool, the plastic round tube of water outlet is provided with steel pipe, and diameter of steel tube is less than 0.3mm, and length is greater than the summation of the thickness of the diameter of water outlet and the plastic round tube below it.

The meaning arranging steel pipe is, under the pressure of liquid, steel pipe all the time one end in the first cavity, the other end is in the second cavity, and adopt the mode of direct injection moulding, omit and needed the artificial manual step that paratrooper's steel pipe is filled in from the side in the past, diameter is less than the theory that 0.3mm meets NBS and saving resource.

As preferably, described movable core assembly is arranged at electromagnetic coil inside, be provided with plastic mounting seat between described movable core assembly and electromagnetic coil, described plastic mounting seat is provided with embedded circular groove, and described circular groove is used for laying pagoda spring.The hydraulic balance that liquid in plastic mounting seat can make the spool of band rubber pad upper and lower, circular groove can fix the position of pagoda spring, when electromagnetic coil energising produces the magnetic line of force, spool declines, under the effect of pagoda spring, the pressure size of fluid flow to spool can control, and whole flow is exported more stable, spool elastic reset is easy.

As preferably, described movable core assembly comprises iron core spring, and described iron core spring is iron core, and the end of iron core is wrapped up by flexible plugs, is the cylinder of secured core spring below described iron core spring.During plug no electric circuit, liquid can only below the second cavity with the spool of band rubber pad, and during energising, movable core assembly is downward, and groove and the annular protrusion part of the spool of band rubber pad produce gap, thus make liquid flow into the first cavity thus flow out water outlet.

As preferably, described water inlet is provided with filter screen.Some impurity can be filtered out in water inlet.

As preferably, described water intake and water outlet are all provided with the rapid pipe joint for connecting water pipe.

As preferably, bottom four corner apertures of described valve body, be all provided with internal thread, for screw fit.Mounting process is simple, reduces parts count.

Compared with prior art: under the effect of through flow hole, maintain spool upper and lower pressure size identical, side through hole can make liquid flow between annular slab and rubber pad, is expanded in rubber pad both sides, thus ensure that the sealing of spool.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is side view of the present utility model.

Fig. 3 is plan view of the present utility model.

Fig. 4 is the structural representation of the utility model spool.

Fig. 5 is the utility model poppet shaft mapping.

Fig. 6 is the utility model spool bottom schematic view.

Fig. 7 is the schematic diagram of the utility model pagoda spring.

Fig. 8 is the partial enlarged drawing at the utility model steel pipe place.

Fig. 9 is the schematic diagram after the utility model penstock installation improves.

Figure 10 is the schematic diagram before the utility model steel pipe does not improve.

Embodiment

Below in conjunction with accompanying drawing and embodiment, the utility model is described further.

Combination brake switch and proporting, comprise valve body 1, described valve body 1 comprises water intake 12 and water outlet 13, described valve body 1 is divided into two cavitys by annular protrusion part 4, what coordinate with water outlet 13 is the first cavity 2, what coordinate with water intake 12 is the second cavity 3, the liquid of water outlet 13 is controlled to withstand by the movable core assembly below it by spool, the plastic round tube of described water outlet 13 is provided with steel pipe 20, described steel pipe 20 diameter is less than 0.3mm, length is greater than the summation of the thickness of the diameter of water outlet 13 and the plastic round tube below it, described steel pipe 20 placed inside has the solid circular pipe 21 after bending, width after described solid circular pipe 21 bending must be identical with steel pipe 20 diameter.

Described spool is included in the rubber pad 5 of top and the annular slab 6 of below, macropore 61 and aperture 63 is provided with in the middle of described annular slab 6, both sides are provided with boss 62, through hole is had in one of them boss 62, annular slab 6 increases the through flow hole 64 communicated with rubber pad 5 and two side through hole 65 around through flow hole 64 90 degree, pagoda spring 7 is provided with below described annular slab 6 and between the top of described movable core assembly, it is inner that described movable core assembly is arranged at electromagnetic coil 17, plastic mounting seat 16 is provided with between described movable core assembly and electromagnetic coil 14, described plastic mounting seat 16 is provided with embedded circular groove 161, described circular groove 161 is for laying pagoda spring 7, described movable core assembly comprises iron core spring 10, described iron core spring 10 is iron cores 9, the end of iron core 9 is wrapped up by flexible plugs 8, it is the cylinder 11 of secured core spring 10 below described iron core spring 10, described water intake 12 place is provided with filter screen 121, described water intake 12 and water outlet 13 are all provided with the rapid pipe joint 111 for connecting water pipe, all internal thread is provided with bottom four corner apertures 14 of described valve body 1, for coordinating with screw 141, described electromagnetic coil 17 outer installment has plug 15.

In use, when no electric circuit, electromagnetic coil 17 does not produce the magnetic line of force, iron core 9 is not magnetically attracted, under the elastic force effect of iron core spring 10, the flexible plugs 8 of the end of iron core 9 tightly withstands the spool of band rubber pad 5, in the groove 51 that annular protrusion part 4 is stuck on the spool of band rubber pad 5, plays the effect of sealing.

Described spool is arranged porose, therefore when no electric circuit, liquid can only in the plastic mounting seat 16 of the second cavity 3 and below, the spool of liquid to band rubber pad 5 produces the identical pressure difference of size, the flexible plugs 8 of the end of iron core 9 withstands the spool of band rubber pad 5, and therefore liquid does not enter the first cavity 2.

When energized, electromagnetic coil 17 produces the magnetic line of force, iron core 9 is magnetically attracted, the flexible plugs 8 of the end of iron core 9 departs from the spool of band rubber pad 5, spool with rubber pad is under the effect of fluid pressure, annular protrusion part 4 produces gap with the groove 51 on the spool of band rubber pad, owing to there is pagoda spring 7, the gap produced is smaller, liquid flows in the first cavity 2, flow in plastic mounting seat 16 from the through hole in boss 62 and the through flow hole 64 that communicates with rubber pad 5, then after being full of plastic mounting seat 16, between the annular slab 6 entering rubber pad 5 and below from two side through hole 65, rubber pad 5 is expanded, thus make rubber pad 5 and valve body 1 maintain sealing, Leakage prevention.

Owing to there is pagoda spring 7, the gap of generation is smaller, and the reset capability of spool and the stability of current size of band rubber pad 5 improve all greatly.

The plastic round tube of water outlet 13 is provided with steel pipe 20, steel pipe 20 diameter is less than 0.3mm, length is greater than the summation of the thickness of the diameter of water outlet 13 and the plastic round tube for cutting off the first cavity 2 and the second cavity 3 below it, like this under the pressure of liquid, steel pipe 20 all the time one end in the first cavity 2, the other end in the second cavity 3, and adopts the mode of direct injection moulding, omits and needs the artificial manual step that paratrooper's steel pipe is filled in from the side in the past.

The solid circular pipe 21 after bending is laid in steel pipe 20, width after solid circular pipe 21 bending must be identical with steel pipe 20 diameter, due under the principle that flow area is the smaller the better, when the flow area of steel pipe 20 is excessive, increase bending solid circular pipe 21, and just can be stuck in steel pipe 20 after bending, greatly reduce flow area, save water resources.

Protection domain of the present utility model includes but not limited to above mode of execution; protection domain of the present utility model is as the criterion with claims, and any replacement that those skilled in the art will find apparent that, distortion, improvement made this technology all falls into protection domain of the present utility model.

Claims (7)

1. combination brake switch and proporting, comprise valve body (1), described valve body (1) comprises water intake (12) and water outlet (13), described valve body (1) is divided into two cavitys by annular protrusion part (4), what coordinate with water outlet (13) is the first cavity (2), what coordinate with water intake (12) is the second cavity (3), the liquid of water outlet (13) is controlled to withstand by the movable core assembly below it by spool, it is characterized in that, the plastic round tube of described water outlet (13) is provided with steel pipe (20), described steel pipe (20) diameter is less than 0.3mm, length is greater than the summation of the thickness of the diameter of water outlet (13) and the plastic round tube below it.

2. combination brake switch and proporting as claimed in claim 1, it is characterized in that, it is inner that described movable core assembly is arranged at electromagnetic coil (17), plastic mounting seat (16) is provided with between described movable core assembly and electromagnetic coil (17), described plastic mounting seat (16) is provided with embedded circular groove (161), and described circular groove (161) is for laying pagoda spring (7).

3. combination brake switch and proporting as claimed in claim 2, it is characterized in that, described movable core assembly comprises iron core spring (10), described iron core spring (10) is iron core (9), the end of iron core (9) is by flexible plugs (8) parcel, and described iron core spring (10) below is the cylinder (11) of secured core spring (10).

4. combination brake switch and proporting as claimed in claim 3, it is characterized in that, described water intake (12) place is provided with filter screen (121).

5. combination brake switch and proporting as claimed in claim 4, it is characterized in that, described water intake (12) and water outlet (13) are all provided with the rapid pipe joint (111) for connecting water pipe.

6. combination brake switch and proporting as claimed in claim 5, is characterized in that, four corner apertures (14) bottoms of described valve body (1) are all provided with internal thread, for coordinating with screw (141).

7. combination brake switch and proporting as claimed in claim 6, it is characterized in that, described electromagnetic coil (17) outer installment has plug (15).