CN217874386U

CN217874386U - Water outlet valve for heating and ventilation equipment

Info

Publication number: CN217874386U
Application number: CN202123270510.5U
Authority: CN
Inventors: 董服义
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-11-22
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a water outlet valve for heating and ventilation equipment, which comprises a valve body, a water inlet valve and a water outlet valve, wherein the valve body is provided with a medium flow passage for medium circulation and is provided with a first passage and a second passage; the control assembly is arranged on the valve body and used for opening and closing the medium flow passage; and the filter structure is arranged on the valve body, and the medium enters from the second channel, sequentially flows through the filter structure and the control assembly and then flows out through the first channel. The utility model, by limiting the relative position of the filtering structure and the control component, on the basis of conforming to the use habit, communicates the second channel with the liquid outlet end of the wall-hanging furnace system, so that the medium enters from the second channel, flows through the filtering structure and the control component in sequence and then flows out through the first channel; compare with the conventional ooff valve that is used for hanging stove system, the utility model discloses well filter piece blocks impurity in inside, convenient clearance, and the clearance is efficient, and impurity is difficult for entering control assembly or first passageway when the clearance.

Description

Water outlet valve for heating and ventilation equipment

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to a water outlet valve for warm logical equipment.

Background

In a waterway circulation system of a floor heating or wall-hanging stove system, a water outlet valve is one of the common components for controlling the opening and closing of a water outlet waterway. The outlet valve generally includes a valve body and a filter member disposed in the valve body for filtering impurities in a flow medium. Because the water quality contains some substances and small impurities, the impurities can remain in the filter element, and the water outlet valve and the internal water pipe are easily blocked or the rear water using equipment is damaged under the condition of long-time use, so the impurities in the water outlet valve need to be cleaned frequently. For example, a common wall-hanging stove system usually has two liquid inlet pipelines and two liquid outlet pipelines, and the liquid inlet pipelines and the liquid outlet pipelines both use the switch valves as shown in fig. 9.

The switching valve adopted by the wall-mounted furnace system comprises a first flow passage 71, a filter element 73, a second flow passage 72 and a valve core 74, wherein the filter element is fixed in the valve by a plug; when this ooff valve was applied to out the liquid pipeline, for following the habit of using, set up second runner 72 towards hanging stove, the medium gets into by second runner 72, advances case 74 in proper order, flows out through first runner 71 after filtering piece 73, and impurity is all blockked in the outside of filtering the piece, and it is inconvenient to filter the piece washing, and the cleaning efficiency is low, and impurity easily gets into first runner when the clearance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a outlet valve for warm logical equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a outlet valve for heating and ventilating equipment comprises

The valve body is provided with a medium flow passage for medium circulation and is provided with a first channel and a second channel;

the first connecting head is arranged at the liquid inlet end of the valve body;

the second connector is arranged at the liquid outlet end of the valve body;

the control assembly is arranged on the valve body and used for opening and closing the medium flow passage;

and the filter structure is arranged on the valve body, and the medium enters from the second channel, sequentially flows through the filter structure and the control assembly and then flows out through the first channel.

Optionally, the filtering structure includes an intermediate cavity disposed in the valve body and at least a part of the filtering member located in the intermediate cavity, and the filtering member blocks the communication port between the intermediate cavity and the control assembly.

Optionally, an opening through which the medium can pass is formed in the filter element, and the medium enters an area on one side of the filter element away from the communication port through the opening.

Optionally, a plane passing through the center line of the middle chamber and the center line of the second channel at the same time is taken as a second reference plane, and an included angle between a projection of the center line of the middle chamber on the second reference plane and a projection of the center line of the second channel on the second reference plane is β, wherein β is greater than or equal to 30 ° and less than or equal to 90 °.

Optionally, the filter element is of a tubular filter screen structure, and a boss which can be abutted against one end of the filter element is arranged between the middle cavity and the second channel.

Optionally, the liquid inlet end of the filter element is partially sleeved on the boss, the outer wall of the boss is a conical surface, and the outer diameter of the boss gradually increases in a direction away from the valve seat.

Optionally, still be equipped with the blowdown part that is used for discharging the last impurity of filtration on the valve body, the blowdown part is including locating disk seat on the valve body, locate in the disk seat and with the inner chamber of medium runner intercommunication, locate on the disk seat and with the branch pipe of inner chamber intercommunication and be used for control the switch module of inner chamber and medium runner intercommunication.

Optionally, the switch assembly includes a valve core disposed on the valve seat, and when the valve core moves away from the valve body, the inner cavity is communicated with the medium flow passage; when the valve core moves towards the direction close to the valve body, the valve core blocks the inner cavity and the medium flow passage.

Optionally, the valve element includes a valve rod, a plug seat disposed at an end of the valve rod close to the medium flow channel, and a valve flap sleeved on the valve seat, and the valve seat is provided with a limiting portion matched with the valve flap.

Optionally, a valve cover is arranged on the valve seat, the valve rod penetrates through the valve cover and is in threaded connection with the valve cover, and one end of the valve rod, which is far away from the valve body, is also in rotation stopping connection with a valve cap; and/or be equipped with movable chamber in the valve gap, the valve rod part is worn to locate and is provided with the spacing groove on movable chamber and the valve rod, the spacing inslot is equipped with the second sealing member with the butt of activity intracavity wall.

To sum up, the beneficial effects of the utility model are that:

the utility model, by limiting the relative position of the filtering structure and the control component, on the basis of conforming to the use habit, communicates the second channel with the liquid outlet end of the wall-hanging furnace system, so that the medium enters from the second channel, flows through the filtering structure and the control component in sequence and then flows out through the first channel; compare with the conventional ooff valve that is used for hanging stove system, the utility model discloses well filter piece blocks impurity in inside, convenient clearance, and the clearance is efficient, and impurity is difficult for entering control assembly or first passageway when the clearance.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is an enlarged view of a point a in fig. 2.

Fig. 4 is an enlarged view of fig. 2 at B.

Fig. 5 is an enlarged view at C in fig. 2.

Fig. 6 is a front view of fig. 1.

Fig. 7 is a cross-sectional view taken along line D-D of fig. 6.

Fig. 8 is a schematic structural view of the plug head as the middle drainage component of the present invention.

Fig. 9 is a schematic structural view of a switching valve used in a conventional wall-hanging furnace system.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

Referring to fig. 1, 2, 4 and 7, a water outlet valve for heating and ventilating equipment comprises a valve body 10, a control assembly 60, a filtering structure and a sewage draining part; the valve body 10 is a metal piece made of stainless steel or brass, a medium flow channel 11 for medium to flow is formed in the valve body 10, the medium flow channel 11 is a through cavity, and the valve body 10 is provided with a first channel 112 and a second channel 111; the control assembly 60 is arranged on the valve body and used for opening and closing the medium flow passage; the filter structure is arranged on the valve body 10, and a medium enters from the second channel 111, sequentially flows through the filter structure and the control assembly, and then flows out from the first channel 112; by limiting the relative position of the filtering structure and the control assembly, in order to meet the use habit, the second channel is communicated with the liquid outlet end of the wall-mounted furnace system, so that the medium enters from the second channel, sequentially flows through the filtering structure and the control assembly and then flows out through the first channel; compare with the conventional ooff valve that is used for hanging stove system, the utility model discloses well filter blocks impurity in inside, convenient clearance, and the clearance is efficient, and impurity is difficult for entering control assembly or first passageway 112 when the clearance. The blowdown part is arranged on the valve body 10 and is used for being matched with the filtering structure and/or the medium flow passage 11 to discharge impurities in the valve body instantly.

Referring to fig. 2, in some embodiments, the filter structure includes an intermediate chamber 113 disposed in the valve body 10 and at least one filter element 20 partially disposed in the intermediate chamber 113, wherein the intermediate chamber 113 is respectively communicated with the second passage and the first passage 112; the filtering piece shields the communication port of the middle cavity and the control assembly and filters impurities in the medium; the filter element 20 is provided with an opening through which the medium can pass, and the medium enters the area of the side of the filter element away from the communication opening.

The filter element 20 is provided in the form of a tubular screen and is inserted at least partially into the intermediate chamber 113, the opening being located at the end of the tubular screen facing the first passage 111. The outer diameter of the filter element 20 is smaller than the inner diameter of the intermediate chamber 113, so that the media flowing out of the filter element 20 in the circumferential direction can enter the first passage 112 through the gap between the filter element 20 and the intermediate chamber 113, thereby preventing impurities from blocking the filter element 20 corresponding to the first passage 112 and blocking the first passage 112, and prolonging the maintenance period of the outlet valve.

Referring to fig. 1-5, in some embodiments, the waste includes a valve seat 30, a manifold 31, and a switch assembly 50; the filter element 20 is of a tubular structure and is at least partially inserted into the medium flow channel 11, the filter element is located on the liquid inlet side of the control assembly 60, and the medium enters the first channel 112 after being filtered by the filter element 20; the valve seat 30 is in threaded connection with the valve body 10, and the valve seat 30 is provided with an inner cavity 32 communicated with the medium flow channel 11; a first sealing element 41 is arranged between the valve seat 30 and the valve body 10, so that the sealing effect is improved; the branch pipe 31 is arranged on the valve seat 30 and communicated with the inner cavity 32, and the branch pipe 31 and the valve seat 30 are integrally formed; the switch assembly 50 is arranged on the valve seat 30 and used for controlling the communication between the inner cavity 32 and the medium flow passage 11; when the impurities in the valve need to be cleaned, the inner cavity 32 is controlled to be communicated with the medium flow channel 11 through the switch assembly 50, and the impurities remained in the filter element 20 enter the inner cavity 32 under the scouring of the medium and are discharged through the branch pipe 31; the utility model has the advantages that the main valve of the pipeline does not need to be closed in the cleaning process, the maintenance is convenient, and the cleaning efficiency is high; and an external pipeline can be connected to the branch pipe 31 to guide the sewage discharged by the branch pipe 31, so that water resource waste is not easy to cause, and accumulated water on the ground is avoided.

Referring to FIGS. 6 and 7, in some embodiments, a plane passing through both the centerline of the bore 32 and the centerline of the branch tube 31 is taken as a first reference plane, and the angle α between the projection of the centerline of the branch tube 31 on the first reference plane and the projection of the centerline of the bore 32 on the first reference plane is taken as α, wherein α is greater than or equal to 90 ° and less than or equal to 130 °; preferably, α =110 °. Through the structure, the resistance of the joint of the branch pipe 31 and the valve seat 30 to medium flowing through is reduced, so that the medium entering the inner cavity 32 is easily led out from the branch pipe 31, and the impurities are prevented from being deposited in the inner cavity 32.

Referring to fig. 1 and 7, in some embodiments, a plurality of teeth 311 are disposed on an outer wall of the branch pipe 31 at intervals along an axial direction of the branch pipe 31, and the teeth 311 are integrally formed with the branch pipe 31; by providing the teeth 311, the stability of the connection is improved when the pipe branch 31 is sleeved over the hose. A plane passing through the central line of the branch pipe and the central line of the inner cavity is taken as a reference plane, and an included angle is formed between the reference plane and the fourth reference plane; preferably, the included angle between the reference plane and the fourth reference plane is 90 °; by limiting the orientation of the branch pipe, the connection of the branch pipe and an external pipeline is facilitated.

Referring to fig. 4, in some embodiments, a blocking cover 34 for blocking a liquid outlet of the branch pipe is disposed on the branch pipe 31, so as to prevent a blowby problem caused by the fact that the blowoff valve switch assembly does not completely block the communication between the inner cavity and the medium flow passage, and thus, play a role in securing.

Referring to fig. 2, in some embodiments, the second channel 111 and the first channel 112 are disposed perpendicular to each other, and an intermediate cavity 113 is disposed between the second channel 111 and the first channel 112, and the intermediate cavity performs a transition function; of course, in other embodiments, the center lines of the second channel 111 and the first channel 112 may be overlapped; the filter element 20 is partially inserted into the intermediate cavity 113, and the outer diameter of the filter element 20 is smaller than the inner diameter of the intermediate cavity 113, so that media flowing out from the filter element 20 in the circumferential direction can enter the first passage 112 through the gap between the filter element 20 and the intermediate cavity 113, thereby preventing impurities from blocking the first passage 112 due to blocking of the filter element 20 corresponding to the first passage 112, and prolonging the maintenance period of the outlet valve.

Referring to FIG. 2, in some embodiments, a plane passing through both the centerline of the central chamber 113 and the centerline of the second channel 111 is taken as a second reference plane, and an angle β is taken between a projection of the centerline of the central chamber 113 onto the second reference plane and a projection of the centerline of the second channel 111 onto the second reference plane, wherein β is greater than or equal to 30 ° and less than or equal to 90 °; preferably, β =67 °.

Referring to fig. 2 and 3, in some embodiments, the filter element 20 is inserted with one end at least partially into the valve seat 30 and in communication with the internal cavity 32; a boss 12 is arranged on the inner wall of the middle cavity 113, a central hole for medium circulation is formed in the middle of the boss 12, one end of the filter element, which is far away from the valve seat, is abutted against the boss, and the liquid inlet end of the filter element 20 is sleeved on the boss 12; the medium entering from the second channel 111 enters the filter element 20 after passing through the boss 12, the medium can flow out of the meshes of the filter element 20 and enter the first channel 112, and the impurities are blocked in the filter element 20 by the filter element 20; and the boss 12 is matched with the filter element 20 to improve the stability of the filter element 20, and the filter element 20 is prevented from being displaced under the impact of high-pressure media to influence the filtering effect.

Referring to fig. 2 and 3, in some embodiments, the outer wall of the boss 12 is tapered, and the outer diameter of the boss 12 increases away from the valve seat 30, so as to guide the filter element 20 when the filter element 20 is inserted, and facilitate alignment of the filter element 20 into the boss 12.

Referring to fig. 1 and 2, in some embodiments, the liquid inlet end of the valve body 10 is provided with a first connection head 13, and the first connection head 13 is one of a male connection head, a female connection head and a loose joint; the liquid outlet end of the valve body 10 is provided with a second connector 14, and the second connector 14 is one of an external thread connector, an internal thread connector and a movable connector.

Referring to fig. 1, 2, 4 and 5, in some embodiments, the switch assembly 50 includes a stopper 33, a valve cover 51, a valve stem 52, a plug seat 521, a valve flap 53 and a valve cap 54; the limiting part 33 is arranged on the inner wall of the liquid inlet end of the inner cavity 32, the limiting part 33 is formed by extending the inner wall of the inner cavity 32 to the center of the inner cavity 32, and a through hole is formed in the middle of the limiting part 33; the valve cover 51 is in threaded connection with the valve seat 30, a fourth sealing element 19 is arranged between the valve cover and the valve seat to seal a gap between the valve cover and the valve seat, and the third sealing element 19 is a rubber ring or a silica gel ring; of course, in other embodiments, the valve cover 51 and the valve seat 30 may be provided as a single structure; the valve core can be relatively movably arranged on the valve cover 51 along the axial direction of the inner cavity 32, and when the valve core moves away from the valve body, the inner cavity is communicated with the medium flow passage; when the valve core moves to the direction close to the valve body to be abutted against the limiting part, the valve core blocks the inner cavity and the medium flow passage. The case of form more than adopting, the valve core is kept away from the valve body so that inner chamber and medium runner communicate completely, compares in such as ball valve, ceramic case etc. impurity can not be detained on the case, and cleaning effect is good.

The valve core comprises a valve rod 52, a plug seat 521 and a valve clack 53; the valve rod 52 is in threaded connection with the valve cover 51, and a bonnet 54 is further connected to one end, far away from the valve body 10, of the valve rod 52 in a rotation-stopping manner; when the bonnet 54 is rotated, the valve rod 52 is driven to move up and down relative to the valve cover 51; the plug seat 521 is formed at one end of the valve rod 52 close to the valve body 10, and a valve clack 53 is sleeved on the plug seat 521; when the bonnet 54 is rotated, the valve stem 52 pushes the valve flap 53 into abutment with the stop 33, thereby isolating the interior chamber 32 from the media flow path 11. Of course, in other embodiments, the movement of the valve stem may be a push-pull type, and the valve stem or bonnet may be snapped into engagement with the bonnet to secure the valve stem in a set position.

Referring to fig. 4, in some embodiments, the valve cap 51 is provided with a movable cavity 511 therein, the valve rod 52 is partially inserted into the movable cavity 511, an annular limiting groove 521 is formed in the valve rod 52, and a second sealing member 55 abutting against the inner wall of the movable cavity 511 is arranged in the limiting groove 521, so as to seal a gap between the valve rod 52 and the valve cap 51 and prevent media leakage.

Referring to fig. 1 and 2, in some embodiments, the control assembly 60 includes a ceramic spool 61 disposed on the valve body and a hand wheel 62 connected to the ceramic spool; the ceramic valve core 61 is the prior art, the structure of the ceramic valve core is not repeated, the liquid inlet end of the ceramic valve core 61 is communicated with the middle cavity 113, the liquid outlet end of the ceramic valve core 61 is communicated with the first channel, and the opening and closing of the ceramic valve core 61 are controlled by the hand wheel 62.

Referring to fig. 8, in some embodiments, the drainage member includes a plug 18 threadedly engaged with the valve body 10, wherein one end of the filter member 20 is partially inserted into the plug 18 and the other end abuts against the boss, and when the drainage valve needs to be cleaned, the plug 18 is removed to clean the impurities on the filter member.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. The utility model provides a water outlet valve for heating and ventilating equipment which characterized in that: comprises that

the second connector is arranged at the liquid outlet end of the valve body;

the control assembly is arranged on the valve body and used for opening and closing the medium flow channel;

2. The outlet valve for heating and ventilating device as defined in claim 1, wherein: the filtering structure comprises an intermediate cavity arranged in the valve body and at least one filtering piece partially positioned in the intermediate cavity, and the filtering piece shields the communication port of the intermediate cavity and the control assembly.

3. The outlet valve for heating and ventilating device as claimed in claim 2, wherein: the filter element is provided with an opening through which a medium can pass, and the medium enters the area on one side of the filter element away from the communication port through the opening.

4. The outlet valve for heating and ventilating device as claimed in claim 2, wherein: and taking a plane passing through the central line of the middle cavity and the central line of the second channel at the same time as a second reference surface, and taking an included angle between the projection of the central line of the middle cavity on the second reference surface and the projection of the central line of the second channel on the second reference surface as beta, wherein the beta is more than or equal to 30 degrees and less than or equal to 90 degrees.

5. The outlet valve for heating and ventilating device as claimed in claim 2, wherein: the filtering piece is of a tubular filter screen structure, and a boss which can be abutted against one end of the filtering piece is arranged between the middle cavity and the second channel.

6. The outlet valve for heating and ventilating device as defined in claim 5, wherein: the liquid inlet end of the filter element is sleeved on the boss, the outer wall of the boss is a conical surface, and the outer diameter of the boss is gradually increased in the direction away from the valve seat.

7. The outlet valve for heating and ventilating device as claimed in claim 1, wherein: the valve body is also provided with a sewage discharging part for discharging impurities on the filtering structure, and the sewage discharging part comprises a valve seat arranged on the valve body, an inner cavity arranged in the valve seat and communicated with the medium flow channel, a branch pipe arranged on the valve seat and communicated with the inner cavity, and a switch assembly for controlling the communication between the inner cavity and the medium flow channel.

8. The outlet valve for heating and ventilating device as claimed in claim 7, wherein: the switch assembly comprises a valve core arranged on the valve seat, and when the valve core moves towards the direction far away from the valve body, the inner cavity is communicated with the medium flow channel; when the valve core moves towards the direction close to the valve body, the valve core blocks the inner cavity and the medium flow passage.

9. The outlet valve for heating and ventilating device as claimed in claim 8, wherein: the valve core comprises a valve rod, a plug seat arranged at one end, close to the medium flow channel, of the valve rod and a valve clack sleeved on the valve seat, and a limiting part matched with the valve clack is arranged on the valve seat.

10. The outlet valve for heating and ventilating device as defined in claim 9, wherein: a valve cover is arranged on the valve seat, the valve rod penetrates through the valve cover and is in threaded connection with the valve cover, and one end, far away from the valve body, of the valve rod is connected with a valve cap in a rotation stopping mode; and/or be equipped with movable chamber in the valve gap, the valve rod part is worn to locate and is provided with the spacing groove on movable chamber and the valve rod, the spacing inslot is equipped with the second sealing member with the butt of activity intracavity wall.