CN201884773U - Automatic deflating device for pipeline of heating device - Google Patents

Abstract

The utility model relates to an automatic deflating device for a pipeline of a heating device, which comprises a deflating valve and a deflating control part, wherein the deflating valve comprises a valve body and a valve core; the automatic deflating device is characterized in that the valve body comprises a nut and a joint with an external thread, a through hole is arranged in the joint, the inner diameter of the through hole is smaller than that of the nut, and the through hole of the joint is connected with a threaded hole of the nut by a conical surface; the external thread of the joint is connected with the pipeline to form an air inlet, and a screw hole at the upper end of the nut is used as an exhaust port; the valve core is inserted into the joint of the valve body, and the deflating valve further comprises a seal ring sheathed in the middle of the valve core, a check ring which is arranged in the nut, in interference fit with the threaded hole and fixed in the valve body, and a spring, wherein the spring is sheathed at the lower end of the valve core, one end of the spring pushes against the valve core, the other end of the spring pushes against the check ring, and elastic force is utilized for enabling the seal ring to push against the inner conical surface of the valve body. The utility model provides the automatic deflating device for the pipeline of the heating device, which can solve the deficiencies of non-ideal deflating, frequent occurrence of outflow of water and the like in the existing pipeline of the heating device, and has the characteristics of convenience in deflating, no water-running phenomenon, reasonable structure, safety, reliability, simpleness in manufacturing, convenience in use and the like.

Description

The automatic air eliminator of heating equipment pipeline

One, technical field

The utility model relates to a kind of automatic air eliminator, and especially a kind of energy replaces manual bleed valve, is applicable to domestic air conditioning, heating installation or various heating equipment, is specially adapted in the plumbing pipe, is used for the automatic deflation joint of exhaust.

Two, background technique

Along with improving constantly of the warming of global weather, people's living standard, air-conditioning, heating installation have entered huge numbers of families, and at present, the manual bleed valve of generally installing on air-conditioning, the heating installation often because forget venting, and can not make air-conditioning, heating installation normally bring into play effect; And artificial venting often there are flowing out, and easily pollutes wall, ground or furniture; Also have, because not discharging in time of air, water flows " to gurgle " at pipeline always and makes a sound, and in early morning, usually stirs us awake from fond dream.Because air makes progress away the influenced maximum of the family that lives on the top floor.

Three, model utility content

The purpose of this utility model be to solve above-mentioned existing heating equipment pipeline venting undesirable, often deficiency such as there are flowing out, a kind of automatic air eliminator is provided, can replace manual bleed valve, be applicable to domestic air conditioning, heating installation or various heating equipment, can be automatically the timely air in the blowdown piping, and can prevent that water overflows in the pipeline, have venting convenient, do not have the phenomenon of metalling run out, rational in infrastructure, safe and reliable, make characteristics such as simple, easy to use.

The purpose of this utility model is to adopt following scheme to realize: a kind of automatic air eliminator of heating equipment pipeline, it comprises bleed valve and venting controlling component, bleed valve comprises valve body and spool, be characterized in: by nut and be with externally threaded joint to constitute valve body, through hole is arranged in the joint, the through hole internal diameter is littler than the internal diameter of nut, and is connected with the conical surface between the tapped hole of the through hole of joint and nut; The outside thread and the pipeline of joint are connected to become suction port, and the screw of nut upper end is as relief opening; Spool inserts in the joint of valve body, described bleed valve also comprises the seal ring that is enclosed within spool middle part, be contained in the nut to be fixed on the back-up ring in the valve body with the tapped hole interference fit and to be enclosed within spool lower end one end and withstand the spring that spool, an end withstand back-up ring, utilizes elastic force to make seal ring withstand the valve body inner conical surface; Above-mentioned venting controlling component comprises that suspension ball, the end in the pipeline of packing into is connected the other end and is positioned at the lever of spool below and is used for pining down the suspension ball and the fixing spring of pipeline with the suspension ball; The fulcrum of lever is located on the pipeline, and its position makes the interior liquid level of pipeline be lower than the setting liquid level, and lever end is just spool jack-up simultaneously.

In the through hole of the joint of above-mentioned spool insertion valve body, in valve body, can move up and down, by the seal ring sealing, utilize spring force to make seal ring contact closing seam between spool and the valve body, be used for preventing that water overflows in the pipeline with the valve body inner conical surface; It is exhaust port that spool middle part, seal ring top are provided with through hole, and the axial direction on spool top has a upright opening to be communicated with exhaust port.

Above-mentioned venting controlling component is packed in the pipeline, by pining down of the fixing and spring of fulcrum, makes it come the lever rod end to move up and down by liquid level, and can not move arbitrarily.When the suspension ball moved up and down along with the rising of liquid level or drive lever one end that descends, lever just made back rotation on fulcrum; When the suspension ball downward, this end lever that is connected with the suspension ball also descends, the other end of lever then rises, when in liquid level is lower than setting liquid level explanation pipeline, having more than gas, lever end rises to the spool jack-up of enough height with joint, spool is moved up, and suction port to the channel connection of relief opening is looked and is realized exitting.

The utility model adopts the beneficial effect of such scheme to be: 1) open or close passage between joint suction port and the relief opening by moving up and down of spool, whole bleed valve is simple in structure, and venting is convenient, low price; 2) all form by mechanical part, safe and reliable; 3) spool of dress seal ring is to adopt spring to support, and utilizes elastic force to make the contact seal of seal ring and valve body inner conical surface, guarantees the sealing under the situation of not exhaust, and guaranteeing does not have the phenomenon of metalling run out; 4) adopt movable connection of spring that spool is moved freely,, cause system can not work and leak so can when long-time running, not produce corrosion; 5) back-up ring is contained in the nut, can be used for withstanding spring spool can be moved up and down, and can also dwindle the space and stop that water overflows in the pipeline; 6) whole exhaust process is automatically, just by the height of liquid level in the pipeline lever control spool is moved up and down and then can realize venting, not need the external force operation.

Four, description of drawings

Fig. 1 is the device schematic representation of the automatic air eliminator of body model utility heating equipment pipeline;

Fig. 2 is the schematic perspective view of bleed valve in the automatic air eliminator of the utility model heating equipment pipeline;

Fig. 3 is the three-dimensional explosive view of bleed valve in the automatic air eliminator of the utility model heating equipment pipeline;

Fig. 4 is the main sectional view of bleed valve in the automatic air eliminator of the utility model heating equipment pipeline;

Fig. 5 is the main sectional view when the bleed valve spool rises in the automatic air eliminator of the utility model heating equipment pipeline.

As follows to the label declaration in each width of cloth accompanying drawing:

The 1-spool; The 1a-exhaust port; The 2-valve body; The 2a-relief opening; The 2b-nut; The 2c-joint; The 2d-outside thread; The 3-seal ring; The 4-spring; The 5-back-up ring; The 6-fulcrum; The 7-lever; 8-suspension ball; The 9-pipeline; The 10-spring.

Five, embodiment

Be described in detail below in conjunction with the embodiment of accompanying drawing the automatic air eliminator of the utility model heating equipment pipeline.

As shown in Figure 1, 2, 3, automatically test the schematic perspective view of vent connection for the utility model, a kind of automatic air eliminator of heating equipment pipeline, it comprises bleed valve and venting controlling component, bleed valve comprises valve body 2 and spool 1, constitutes valve body 2 by nut 2b and the joint 2c that is with outside thread 2d, in the joint 2c through hole is arranged, the through hole internal diameter is littler than the internal diameter of nut 2b, and is connected with the conical surface between the tapped hole of the through hole of joint 2c and nut 2b; Outside thread 2d and the pipeline 9 of joint 2c are connected to become suction port, and the screw of nut 2b upper end is as relief opening 2a; Spool 1 inserts in the joint 2c of valve body 2, described bleed valve also comprises the seal ring 3 that is enclosed within spool 1 middle part, be contained in the nut 2b to be fixed on the back-up ring 5 in the valve body 2 with the tapped hole interference fit and to be enclosed within spool 1 lower end one end and withstand the spring 4 that spool 1, an end withstand back-up ring 5, utilizes elastic force to make seal ring 3 withstand valve body 2 inner conical surfaces; Above-mentioned venting controlling component comprises that suspension ball 8, the ends in the pipeline 9 of packing into are connected the other end and are positioned at the lever 7 of spool 1 below and are used for pining down suspension ball 8 and spring 10 that pipeline 9 is fixed with suspension ball 8; The fulcrum 6 of lever 7 is located on the pipeline 9, and its position makes pipeline 9 interior liquid levels be lower than the setting liquid level, and lever 7 ends are just spool 1 jack-up simultaneously.

As shown in Figure 4, in the through hole of the joint 2c of spool 1 insertion valve body 2, in valve body 2, can move up and down, seal by seal ring 3 between spool 1 and the valve body 2, utilize spring 4 elastic force to make seal ring 3 contact closing seam, be used for preventing that water overflows in the pipeline 9 with valve body 2 inner conical surfaces; It is exhaust port 1a that spool 1 middle part, seal ring 3 tops are provided with through hole, and the axial direction on spool 1 top has a upright opening to be communicated with exhaust port 1a.

As shown in Figure 1, the venting controlling component is packed in the pipeline 9, by pining down of the fixing and spring 10 of fulcrum 6, makes it control lever 7 ends by liquid level and moves up and down, and can not move arbitrarily.When suspension ball 8 moved up and down along with the rising of liquid level or drive lever 7 one ends that descend, lever 7 just made back rotation on fulcrum 6; When suspension ball 8 downward, this end lever 7 that is connected with suspension ball 8 also descends, the other end of lever 7 then rises, when in liquid level is lower than setting liquid level explanation pipeline 9, having more than gas, lever 7 ends rise to spool 1 jack-up of enough height with joint 2c, spool 1 is moved up, and suction port to the channel connection of relief opening 2a is looked and is realized exitting, the view when Fig. 5 is 1 rising of bleed valve spool.

The working principle of the automatic air eliminator of the utility model heating equipment pipeline is as follows:

When the utility model being tested automatically the pinnacled pipeline of vent connection device 9 corners, when in refrigerant water pipe or circulating pipe, flowing according to chilled water or water, air in pipeline 9 with water together, the proportion of air ratio water is much smaller, the reason that air is up walked, when chilled water or current through this corner, if in pipeline 9, air is arranged, then the liquid level of chilled water that flows in pipeline 9 or water descends, suspension ball 8 drives connected this end lever 7 and descends, the other end of the lever 7 jack-up spool 1 that then rises moves up spool 1, and seal ring 3 breaks away from inner conical surfaces, 2 no longer sealings of spool 1 and valve body, when exhaust port 1a moves to the bigger inner conical surface place of internal diameter, the air in the pipeline just in upright opening exhaust port 1a injection valve body 2, gives off outside the pipe again; If the interior air of pipeline reduces or has arranged, then the liquid level of chilled water that flows in pipeline or water rises, suspension ball 8 drives connected this end lever 7 and rises, and the other end of lever 7 then descends and leaves spool 1, and resetted and valve body 2 closing seams by spring 4 effect spools 1 this moment.

Claims (3)

1. the automatic air eliminator of a heating equipment pipeline, it comprises bleed valve and venting controlling component, bleed valve comprises valve body (2) and spool (1), it is characterized in that: the joint (2c) by nut (2b) and band outside thread (2d) constitutes valve body (2), in the joint (2c) through hole is arranged, the through hole internal diameter is littler than the internal diameter of nut (2b), and is connected with the conical surface between the tapped hole of the through hole of joint (2c) and nut (2b); The outside thread (2d) of joint (2c) is connected to become suction port with pipeline (9), and the screw of nut (2b) upper end is as relief opening (2a); Spool (1) inserts in the joint (2c) of valve body (2);

Described bleed valve also comprises the seal ring (3) that is enclosed within spool (1) middle part, be contained in the nut (2b) and be fixed on the back-up ring (5) in the valve body (2) with the tapped hole interference fit and be enclosed within that spool (1) lower end one end withstands spool (1), an end withstands the spring (4) of back-up ring (5), utilizes elastic force to make seal ring (3) withstand valve body (2) inner conical surface; Above-mentioned venting controlling component comprises that suspension ball (8), the end in the pipeline of packing into (9) is connected the other end and is positioned at the lever (7) of spool (1) below and is used for pining down suspension ball (8) and the fixing spring (10) of pipeline (9) with suspension ball (8); The fulcrum (6) of lever (7) is located on the pipeline (9), and its position makes the interior liquid level of pipeline (9) be lower than the setting liquid level, and lever (7) end is just spool (1) jack-up simultaneously.

2. the automatic air eliminator of heating equipment pipeline according to claim 1, it is characterized in that: in the through hole of the joint (2c) of described spool (1) insertion valve body (2), in valve body (2), can move up and down, seal by seal ring (3) between spool (1) and the valve body (2), spool (1) middle part, seal ring 3 (on) to be provided with through hole be exhaust port (1a) in the side, the axial direction on spool (1) top has a upright opening to be communicated with exhaust port (1a).

3. the automatic air eliminator of heating equipment pipeline according to claim 1 is characterized in that: described venting controlling component is packed in the pipeline (9), by pining down of fixing and spring (10) of fulcrum (6).

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