CN102062254B

CN102062254B - Automatic exhaust device of heating equipment pipeline

Info

Publication number: CN102062254B
Application number: CN2010106160241A
Authority: CN
Inventors: 陶忠明
Original assignee: JIAXING MASTER PIPE FITTING CO Ltd
Current assignee: JIAXING MASTER PIPE FITTING CO Ltd
Priority date: 2010-12-27
Filing date: 2010-12-27
Publication date: 2012-07-04
Anticipated expiration: 2030-12-27
Also published as: CN102062254A

Abstract

The invention relates to an automatic exhaust device of a heating equipment pipeline. The automatic exhaust device comprises an exhaust valve and an exhaust control component, wherein the exhaust valve comprises a valve body and a valve core; the automatic exhaust 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 less than that of the nut; the through hole of the joint and a screwed hole of the nut are connected through a conical surface; the external thread of the joint is connected with the pipeline to form an air inlet; 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; the exhaust valve also comprises a seal ring sleeved at the middle part of the valve core, a check ring which is arranged in the nut in interference fit with the screwed hole and fixed in the valve body, and a spring which is sleeved at the lower end of the valve core and props against the valve core at one end and against the check ring at the other end; and the seal ring props against the conical surface in the valve body through elastic force. According to the invention, the defects of unsatisfactory exhaust, frequent water leakage and the like of the existing heating equipment pipeline are solved, and the automatic exhaust device of the heating equipment pipeline provided by the invention has the characteristics of no water leakage phenomenon, reasonable structure, safety and reliability, simple manufacturing, and is convenient to use and deflate, and the like.

Description

The automatic air eliminator of heating equipment pipeline

One, technical field

The present invention relates to a kind of automatic air eliminator, especially a kind of ability 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 got into 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 is prone to pollute 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 from fond dream, stirs us awake.Because air makes progress away the influenced maximum of the family that lives on the top floor.

Three, summary of the invention

The objective of the invention is 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 replaces 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 objective of the invention 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, is characterized in: by nut 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; Said 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, and 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 the channel connection of suction port to relief opening is looked and is realized exitting.

The present invention adopts the beneficial effect of such scheme to be: 1) open or close the passage between joint suction port and the relief opening through 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 invention heating equipment pipeline;

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

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

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

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

Label declaration in each width of cloth accompanying drawing is following:

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

Below in conjunction with accompanying drawing the embodiment of the automatic air eliminator of heating equipment pipeline of the present invention is described in detail.

Like Fig. 1,2, shown in 3, for the present invention tests the schematic perspective view of vent connection, a kind of automatic air eliminator of heating equipment pipeline automatically; 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; Said 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, and 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 heating equipment pipeline of the present invention is following:

When testing the present invention 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 little, the reason that air is up walked, when chilled water or current through this corner; If in pipeline 9, air is arranged, the chilled water that then in pipeline 9, flows or the liquid level of water descend, and 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; The chilled water that then in pipeline, flows or the liquid level of water rise; 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

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);

Said 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;

It is exhaust port (1a) that said spool (1) middle part, seal ring (3) top are provided with through hole, and the axial direction on spool (1) top has a upright opening to be communicated with exhaust port (1a).

2. the automatic air eliminator of heating equipment pipeline according to claim 1 is characterized in that: in the through hole of the joint (2c) of said spool (1) insertion valve body (2), in valve body (2), can move up and down, sealed by seal ring (3) between spool (1) and the valve body (2).

3. the automatic air eliminator of heating equipment pipeline according to claim 1; It is characterized in that: said venting controlling component is packed in the pipeline (9); By fixing of fulcrum (6) and pining down of spring (10), make it control lever (7) end and move up and down, and can not move arbitrarily by liquid level.