CN201891916U - Automatic air valve of water heating installation - Google Patents

Abstract

The utility model discloses an automatic air valve of a water heating installation, which comprises a valve seat (7), a valve cap (2), a floating ball (4) and a valve body (1), wherein the valve seat (7) is connected with the valve cap (2) and an inner chamber (6) is formed in the valve seat; the floating ball (4) is glidingly matched in the inner chamber (6); the floating ball (4) is connected with the valve body (1) through a pull rod (3); the valve body (1) is connected in the valve cap (2); the valve seat (7) can be provided with a water inlet pipe and a water outlet pipe; the bottom of the valve seat (7) is provided with a magnetic catch ring (10); and the valve seat (7) is connected with an end cap (20) near the magnetic catch ring (10). The utility model has the advantages that due to the fact that the bottom of the valve seat is provided with the magnetic catch ring, tiny impurities in a system can be adsorbed on the magnetic catch ring, and moreover, the end cap is opened at regular intervals to clean the impurities. The automatic air valve is very convenient to use.

Description

The hot-water heating automatic control pressure vent

Technical field

The utility model relates to a kind of outlet valve, specifically is a kind ofly to be used to heat or the ducted hot-water heating automatic control pressure vent of refrigeration system.

Background technique

Automatic control pressure vent generally is applied to the exhaust of pipelines such as independent heating system, central heating system, heating boiler, central air-conditioner, floor heating and solar heating system.This be since in heating or refrigeration system because the variation of water temperature and pressure, can discharge a large amount of gas in the system, part gas can be dissolved in the water, promptly the form with bubble exists, and can cause reduction, the system of system thermal efficiency problems such as noise, corrosive pipeline, local superheating or not hot, components and parts damage to occur like this.Along with the rising of temperature, the bubble in the water can be separated from water gradually, and accumulates in the pipeline top gradually and form big bubble.Therefore, outlet valve is installed at the pipeline top usually, is opened outlet valve in good time, the bubble in the pipeline is released, thus the normal operation of the system of assurance.

The automatic control pressure vent of prior art generally includes valve seat, valve gap, float and valve body, one end of valve seat is connected with pipeline, the other end is connected with valve gap, cavity of the common formation of valve base cavity and valve gap inner chamber, one end of float is connected with valve body, the other end moves back and forth along axial direction in cavity, and valve body is connected in the valve gap.But there is following shortcoming in the automatic control pressure vent of this structure:

1) owing to exists minute impurities in the refrigeration system with heating at existing air-conditioning; these impurity contact with air and can produce a series of chemical reaction; these chemical reactions can generate fearful hot spot everywhere in system; some corrosion particles can be adsorbed in the interior magnetic field of pump, air valve and control valve; also have some can be sent to system separately and accumulate in the critical component, thereby cause phenomenons such as fault and damage.

2) structure that generally adopts screw to be connected owing to the pipeline and the joint of valve seat again, in other words, pipeline is connected on the flange, and flange is connected with valve seat by screw again, and is therefore, very inconvenient, time-consuming when as installed and dismounting.

The model utility content

Technical problem to be solved in the utility model is, provides a kind of and can effectively remove minute impurities in the heating system, thus the hot-water heating automatic control pressure vent of the normal operation of assurance system.

For solving the problems of the technologies described above, the hot-water heating automatic control pressure vent that the utility model provides, comprise valve seat, valve gap, ball float and valve body, described valve seat is connected with valve gap and forms an inner chamber in inside, and described ball float is slidingly fitted in the inner chamber, and ball float is connected with valve body by pull bar, described valve body is connected in the valve gap, described valve seat can be fitted with intake pipe and outlet pipe, and the bottom of described valve seat is provided with the magnetic collecting ring, and is connected with plug near magnetic collecting ring place on the valve seat.

Described plug is threaded in the valve seat bottom, and is positioned at magnetic collecting ring below.

After adopting above structure, the utility model compared with prior art has following advantage: owing to be provided with the magnetic collecting ring in the valve seat bottom, intrasystem minute impurities can be adsorbed on the magnetic collecting ring, and regularly open plug cleaning impurity, very convenient.

As improvement, be provided with spiral helicine metal separation net in the described inner chamber, described metal separation net is positioned at the below of ball float.Described valve body comprises valve rod, sealing block, valve body end cap, gas outlet valve and spring, one end and the pull bar of described valve rod are hinged, the other end end is embedded with sealing block, the end face of the end face of sealing block and valve body end cap one end is rotatably assorted, valve body end cap is connected in the valve gap, the other end of valve body end cap is connected with gas outlet valve, and described spring housing is connected on valve rod and the valve body end cap.The end face of described sealing block is the cambered surface of indent, and the end face of described valve body end cap is the outer convex globoidal that matches with inner concave arc surface.After adopting this structure, owing in inner chamber, be provided with the multiple layer metal separating grid, on the one hand, bubble in these metal separation nets meeting adsorbed water, thereby these metal separation nets are stopped current and are caused turbulence state on the other hand, make by the water velocity at this place slack-off, it is big that resistance becomes, thereby helping discharging is adsorbed on the online bubble of metal separation, owing to becoming, volume breaks away from greatly in the exhaust cabin that wire netting rises to the ball float place after these bubble coalescence, bubble emission effect in the current is better like this, thus the normal operation of the system of assurance, and utilize the centrifugal settling principle of spiral to make gas and liquor separation better.

As further improvement, described valve seat is connected to FERRULETYPE with intake pipe and outlet pipe and is connected, this joint comprises cutting ferrule nut and snap ring, described cutting ferrule nut is threaded with the valve seat port, described snap ring is between cutting ferrule nut and valve seat port, and an end of snap ring and the inside trumpet mouth of valve seat port push against, and the inner conical surface of the other end and cutting ferrule nut pushes against.As improving further, the outer surface of described snap ring is a sphere again.After adopting this structure, operate simplyr, only need tighten or unscrew the cutting ferrule nut, just can realize the installation and removal of intake pipe and outlet pipe, therefore, very time saving and energy saving.

Description of drawings

Accompanying drawing is the structural representation of the utility model hot-water heating automatic control pressure vent.

Wherein: 1, valve body; 11, valve rod; 12, spring; 13, sealing block; 14, valve body end cap; 15, gas outlet valve; 2, valve gap; 3, pull bar; 4, ball float; 5, metal separation net; 6, inner chamber; 7, valve seat; 71, inside trumpet mouth; 8, cutting ferrule nut; 81, inner conical surface; 9, snap ring; 91, sphere; 10, magnetic collecting ring; 20, plug.

Embodiment

Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.

By the structural representation of the utility model hot-water heating automatic control pressure vent shown in the drawings as can be known, it comprises valve seat 7, valve gap 2, ball float 4 and valve body 1, described valve seat 7 is connected with valve gap 2 and forms an inner chamber 6 in inside, described ball float 4 is slidingly fitted in the inner chamber 6, and ball float 4 is connected with valve body 1 by pull bar 3, described valve body 1 is connected in the valve gap 2, and described valve seat 7 can be fitted with intake pipe and outlet pipe.The bottom of described valve seat 7 is provided with magnetic collecting ring 10, and is connected with plug 20 near magnetic collecting ring 10 places on the valve seat 7.Described plug 20 is threaded in valve seat 7 bottoms, and is positioned at magnetic collecting ring 10 belows.

Be provided with spiral helicine metal separation net 5 in the described inner chamber 6, described metal separation net 5 is positioned at the below of ball float 4.Described valve body 1 comprises valve rod 11, sealing block 13, valve body end cap 14, gas outlet valve 15 and spring 12, one end and the pull bar 3 of described valve rod 11 are hinged, the other end end is embedded with sealing block 13, the end face of the end face of sealing block 13 and valve body end cap 14 1 ends is rotatably assorted, valve body end cap 14 is connected in the valve gap 2, the other end of valve body end cap 14 is connected with gas outlet valve 15, and described spring 12 is socketed on valve rod 11 and the valve body end cap 14.The end face of described sealing block 13 is the cambered surface of indent, and the end face of described valve body end cap 14 is the outer convex globoidal that matches with inner concave arc surface.

Described valve seat 7 is connected to FERRULETYPE with intake pipe and outlet pipe and is connected.Described FERRULETYPE connection is meant, this joint comprises cutting ferrule nut 8 and snap ring 9, described cutting ferrule nut 8 is threaded with valve seat 7 ports, described snap ring 9 is between cutting ferrule nut 8 and valve seat 7 ports, and the inside trumpet mouth 71 of an end of snap ring 9 and valve seat 7 ports pushes against, and the inner conical surface 81 of the other end and cutting ferrule nut 8 pushes against.The outer surface of described snap ring 9 is a sphere 91.

The utility model is when work, two go side mouths of valve seat connect intake pipe and the outlet pipe in refrigeration or the heating system respectively, when system in when operation, the water in the pipeline can constantly produce bubble, these bubbles along with current are adsorbed on spiral helicine metal separation online.The spiral metal separating grid has used gas dissolution equilibrium Henry law, after the valve seat temperature rises, and copper spiral metal separating grid good heat transfer, increased the area on attached collection surface, stop the Bohai Sea current and cause turbulence state, make the gas separation that is dissolved in the water, accumulate in inner chamber top.Cumulative along with bubble makes the drawdown under the ball float, and ball float also descends thereupon like this, under the effect of pull bar, with valve rod one end also toward drop-down.Under the effect of spring, the outer convex globoidal of the inner concave arc surface of the sealing block of valve rod end and this end cap of valve one end takes place to rotate mutually, and the valve opening in valve body end cap communicates with inner chamber, and gas outlet valve is given vent to anger then, discharges the bubble of piling up.After bubble drained, the water level in the inner chamber rose, and ball float is also risen thereupon, made sealing block block the passage of valve opening at last, thereby closed gas outlet valve.Exhaust is next time waited in so circulation.

Claims (8)

1. hot-water heating automatic control pressure vent, comprise valve seat (7), valve gap (2), ball float (4) and valve body (1), described valve seat (7) is connected with valve gap (2) and forms an inner chamber (6) in inside, described ball float (4) is slidingly fitted in the inner chamber (6), and ball float (4) is connected with valve body (1) by pull bar (3), described valve body (1) is connected in the valve gap (2), it is characterized in that: the bottom of described valve seat (7) is provided with magnetic collecting ring (10), and valve seat (7) upward locates to be connected with plug (20) near magnetic collecting ring (10).

2. hot-water heating automatic control pressure vent according to claim 1 is characterized in that: described plug (20) is threaded in the bottom of valve seat (7), and is positioned at magnetic collecting ring (10) below.

3. hot-water heating automatic control pressure vent according to claim 1 is characterized in that: be provided with spiral helicine metal separation net (5) in the described inner chamber (6), described metal separation net (5) is positioned at the below of ball float (4).

4. hot-water heating automatic control pressure vent according to claim 1, it is characterized in that: described valve body (1) comprises valve rod (11), sealing block (13), valve body end cap (14), gas outlet valve (15) and spring (12), one end of described valve rod (11) and pull bar (3) are hinged, the other end end is embedded with sealing block (13), the end face of the end face of sealing block (13) and valve body end cap (14) one ends is rotatably assorted, valve body end cap (14) is connected in the valve gap (2), the other end of valve body end cap (14) is connected with gas outlet valve (15), and described spring (12) is socketed on valve rod (11) and the valve body end cap (14).

5. hot-water heating automatic control pressure vent according to claim 4 is characterized in that: the end face of described sealing block (13) is the cambered surface of indent, and the end face of described valve body end cap (14) is the outer convex globoidal that matches with inner concave arc surface.

6. hot-water heating automatic control pressure vent according to claim 1 is characterized in that: described valve seat (7) is connected to FERRULETYPE with intake pipe and outlet pipe and is connected.

7. hot-water heating automatic control pressure vent according to claim 6, it is characterized in that: described FERRULETYPE connection is meant, this joint comprises cutting ferrule nut (8) and snap ring (9), described cutting ferrule nut (8) is threaded with valve seat (7) port, described snap ring (9) is positioned between cutting ferrule nut (8) and valve seat (7) port, and the inside trumpet mouth (71) of an end of snap ring (9) and valve seat (7) port pushes against, and the inner conical surface (81) of the other end and cutting ferrule nut (8) pushes against.

8. hot-water heating automatic control pressure vent according to claim 7 is characterized in that: the outer surface of described snap ring (9) is sphere (91).