CN220488325U

CN220488325U - Air heating valve

Info

Publication number: CN220488325U
Application number: CN202322069819.0U
Authority: CN
Inventors: 黄金良
Original assignee: Zhejiang Xuananju Hvac Technology Co ltd
Current assignee: Zhejiang Xuananju Hvac Technology Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-02-13
Anticipated expiration: 2033-08-02

Abstract

The utility model provides a heating valve, and belongs to the technical field of valves. It has solved the problem that the heating valve is inapplicable to be connected between with the plastic-aluminum pipe. The heating valve comprises a valve body, wherein an annular screw cap, a pressing ring and a connector are arranged at the water inlet end, the inner end of the connector stretches into the water inlet end and forms a seal with the inner wall of the water inlet end, an outwards convex extrusion part is arranged at the outer side of the connector, a plugging gap is arranged between the outer side of the connector and the pressing ring, the inner end of the pressing ring abuts against the extrusion part, the screw cap is in threaded connection with the outer side of the water inlet end, an inwards convex blocking edge which is annular is arranged at the inner side of the screw cap, the blocking edge abuts against the outer end of the pressing ring, and when the screw cap is screwed in along threads, the pressing ring can be inwards tightened under the opposite action of the extrusion part and the blocking edge. The air heating valve can be suitable for being connected with an aluminum plastic pipe.

Description

Air heating valve

Technical Field

The utility model belongs to the technical field of valves, and relates to a heating valve.

Background

The air heating valve is a fitting of a radiator system, is a kind of valve, is mainly used for controlling water inlet and outlet of the radiator, comprises water inlet and outlet on-off and water inlet and outlet flow regulation control, and is an important component part in the radiator system.

When the existing heating valve is connected with a pipeline, a threaded connection mode is generally adopted, namely threads are arranged on the heating valve and the pipeline, and connection between the heating valve and the pipeline is realized through matching of internal threads and external threads.

However, the connection mode for threaded connection on the existing air heating valve is only suitable for connection of metal pipes, and connection of pipes like aluminum plastic pipes is not suitable, so that the requirements of practical use are difficult to meet.

Disclosure of Invention

The utility model aims at solving the problems existing in the prior art, and provides a heating valve which solves the problem that the heating valve is not suitable for being connected with an aluminum plastic pipe.

The aim of the utility model can be achieved by the following technical scheme:

the heating valve comprises a valve body, wherein the valve body is provided with a water inlet end and a water outlet end, the water outlet end is provided with a tubular connecting pipe and an annular connecting cap, the connecting cap is in threaded connection with the water outlet end and limits the connecting pipe at the water outlet end, the outer end of the connecting pipe is provided with external threads, the water inlet end is provided with annular nuts, a compression ring and a joint, the inner end of the joint stretches into the water inlet end and forms a seal with the inner wall of the water inlet end, the outer side of the joint is provided with an extrusion part protruding outwards, the compression ring is sleeved outside the joint and has an inserting gap between the compression ring and the extrusion part, the inner end of the compression ring is propped against the outer side of the water inlet end, the inner side of the nut is provided with an annular blocking edge protruding inwards, the blocking edge is propped against the outer end of the compression ring, and when the nut is screwed in along the threads, the compression ring can tighten inwards under the opposite action of the extrusion part and the blocking edge.

When the heating valve is used, the water outlet end can be connected with threads through the connecting pipe, and the water inlet end can be used for connecting an aluminum plastic pipe. During connection, the aluminum plastic pipe is inserted into an insertion gap between the joint and the pressing ring, the screw is screwed into the screw cap, the pressing ring is extruded in opposite directions by the blocking edge of the screw cap and the extrusion part on the joint, the pressing ring is contracted inwards and the aluminum plastic pipe is held tightly, and the aluminum plastic pipe is fixedly connected so as to meet the use of places where the aluminum plastic pipe needs to be connected.

In the above-mentioned air heating valve, the extrusion portion is the awl tube-shape and its diameter increases gradually from the one end that is close to the joint inner to the other end, the lateral surface of extrusion portion can support and lean on the port of inlet end, extrusion portion and keep off along go up with the clamping ring support and lean on the department all to have the guide surface that makes things convenient for the clamping ring to tighten up inwards, clamping ring both ends correspond the inclined plane that the department all has the slope setting with two guide surfaces.

In the above-mentioned air heating valve, the inner wall of the pressing ring is provided with a plurality of pressing parts protruding to form a circular ring shape, and the plurality of pressing parts are distributed at equal intervals along the axial direction of the pressing ring.

In the above-mentioned air heating valve, the outer side of the joint is connected with a sealing ring at the position corresponding to the pressing ring, and the outer side of the outer end of the joint is provided with a zigzag connecting part.

In the above-mentioned air heating valve, have in the valve body with the water inlet that the water inlet is linked together and with the delivery port that the water outlet is linked together, still be provided with in the valve body and be cylindric valve pocket that is the round bar-shaped valve rod, valve pocket threaded connection in the valve body and the outer end of valve pocket stretch out the valve body, the lateral part of the inner of valve pocket can partly shelter from the delivery port, valve rod threaded connection is in the valve pocket, the outer end of valve rod stretches out the valve pocket outer end and is connected with the hand wheel, the inner of valve rod sets up and can seal when the valve rod precesses towards the water inlet.

In the above-mentioned air heating valve, the cross-section of the outer side surface of the outer end of the valve sleeve is regular hexagon.

In the above-mentioned air heating valve, the end of the inner end of the valve rod is provided with a blind hole which is concave inwards.

In the above-mentioned air heating valve, the outside cover of takeover is equipped with O type circle and is annular retaining ring, the retaining ring adopts metal material to make and the retaining ring towards the one end of O type circle has the recess that is concave to be the ring shape, O type circle can partly stretch into in the recess, the retaining ring is in for the other end of O type circle supports and leans on the takeover.

In the above-mentioned air heating valve, a seal is formed between the inner end of the connecting pipe and the end part of the water outlet end, and the section of the inner hole of the inner end of the connecting pipe is in a regular hexagon shape.

Compared with the prior art, the heating valve can realize stable connection and sealing of the aluminum plastic pipe through structural cooperation of the joint, the compression ring and the screw cap, and meets the use requirement.

Drawings

FIG. 1 is a schematic sectional view of the present heating valve.

In the figure, 1, a valve body; 2. a water inlet end; 3. a water outlet end; 4. connecting pipe; 5. a connecting cap; 6. a screw cap; 7. a compression ring; 8. a joint; 9. an extrusion part; 10. a blocking edge; 11. a pressing part; 12. a seal ring; 13. a connection part; 14. a water inlet; 15. a water outlet; 16. a valve stem; 17. a valve sleeve; 18. a hand wheel; 19. an O-ring; 20. and (5) a retainer ring.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, the heating valve comprises a valve body 1 with a water inlet end 2 and a water outlet end 3, wherein a water inlet 14 communicated with the water inlet end 2 and a water outlet 15 communicated with the water outlet end 3 are arranged in the valve body 1. The valve body 1 is also internally provided with a valve rod 16 in a round rod shape and a valve sleeve 17 in a cylinder shape, the valve sleeve 17 is in threaded connection with the valve body 1, the outer end of the valve sleeve 17 extends out of the valve body 1, the section of the outer side surface of the outer end of the valve sleeve 17 is in a regular hexagon shape, and the side part of the inner end of the valve sleeve 17 can partially cover the water outlet 15. The valve rod 16 is in threaded connection in the valve sleeve 17, and the outer end of valve rod 16 stretches out valve sleeve 17 outer end and is connected with hand wheel 18, and the inner of valve rod 16 sets up towards water inlet 14 and can shutoff water inlet 14 when valve rod 16 precesses, and the tip of valve rod 16 inner has the blind hole of inwards recessing.

The water outlet end 3 is provided with a circular pipe-shaped connecting pipe 4 and a circular ring-shaped connecting cap 5, the inner end of the connecting pipe 4 stretches into the water outlet end 3, the inner end of the connecting pipe 4 is sealed with the water outlet end 3 through an O-shaped ring, a convex circular ring-shaped retaining shoulder is arranged on the outer side of the connecting pipe 4, the connecting cap 5 is in threaded connection with the water outlet end 3 and abuts against the retaining shoulder, and the connecting pipe 4 can be tightly abutted against the water outlet end 3 when screwed in. The outer end of the connecting pipe 4 is provided with external threads, and the section of an inner hole at the inner end of the connecting pipe 4 is in a regular hexagon shape.

The outside of the connecting pipe 4 is also sleeved with an O-shaped ring 19 and a circular retainer ring 20, the retainer ring 20 is made of metal materials, one end of the retainer ring 20 facing the O-shaped ring 19 is provided with a concave circular groove, the O-shaped ring 19 can partially extend into the groove, and the other end of the retainer ring 20 opposite to the O-shaped ring 19 is abutted against the connecting pipe 4.

The water inlet end 2 is provided with a nut 6, a pressing ring 7 and a joint 8 which are all annular, the inner end of the joint 8 stretches into the water inlet end 2 and forms a seal with the inner wall of the water inlet end 2 through an O-shaped ring, the outer side of the joint 8 is provided with an extrusion part 9 which protrudes outwards, the extrusion part 9 is cone-shaped, the diameter of the extrusion part is gradually increased from one end close to the inner end of the joint 8 to the other end, and the outer side surface of the extrusion part 9 can be abutted against a port of the water inlet end 2.

The clamping ring 7 is sleeved outside the joint 8, an annular insertion gap is formed between the clamping ring and the clamping ring, the inner end of the clamping ring 7 abuts against the extrusion part 9, the screw cap 6 is in threaded connection with the outer side of the water inlet end 2, the inner side of the screw cap 6 is provided with an inward protruding blocking edge 10 which is annular, the blocking edge 10 abuts against the outer end of the clamping ring 7, and when the screw cap 6 is screwed in along the threads, the clamping ring 7 can be tightened inwards under the opposite action of the extrusion part 9 and the blocking edge 10. In this embodiment, the pressing portion 9 and the stop edge 10 are provided with guide surfaces which are convenient for the pressing ring 7 to tighten inwards at the abutting position with the pressing ring 7, and inclined surfaces which are obliquely arranged are respectively arranged at the corresponding positions of the two ends of the pressing ring 7 and the two guide surfaces.

The inner wall of the compression ring 7 is provided with a plurality of compression parts 11 protruding to form a circular ring shape, and the plurality of compression parts 11 are distributed at equal intervals along the axial direction of the compression ring 7. The outer side of the joint 8 is connected with a sealing ring 12 at the position corresponding to the pressing ring 7, and the outer side of the outer end of the joint 8 is provided with a zigzag connecting part 13.

When the heating valve is used, the water outlet end 3 can be in threaded connection with a pipeline through the connecting pipe 4 matched with the movable cap, and the water inlet end 2 can be used for connecting an aluminum plastic pipe. During connection, the aluminum plastic pipe is inserted into an insertion gap between the joint 8 and the pressing ring 7, then the screw cap 6 is screwed in along the screw thread, the pressing ring 7 is extruded in opposite directions by the blocking edge 10 of the screw cap 6 and the extrusion part 9 on the joint 8, so that the pressing ring 7 is contracted inwards under the guidance of the inclined surface and the guide surface and tightly holds the aluminum plastic pipe by the pressing part 11, and the aluminum plastic pipe is fixedly connected so as to meet the use of places of which the part needs to be connected with the aluminum plastic pipe.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The air heating valve comprises a valve body (1), wherein the valve body (1) is provided with a water inlet end (2) and a water outlet end (3), the air heating valve is characterized in that the water outlet end (3) is provided with a tubular connecting pipe (4) and an annular connecting cap (5), the connecting cap (5) is in threaded connection with the water outlet end (3) and limits the connecting pipe (4) at the water outlet end (3), the outer end of the connecting pipe (4) is provided with an external thread, the water inlet end (2) is provided with an annular screw cap (6), a pressing ring (7) and a joint (8), the inner end of the joint (8) stretches into the water inlet end (2) and forms a seal with the inner wall of the water inlet end (2), the outer side of the joint (8) is provided with an outwardly protruding extrusion part (9), the pressing ring (7) is sleeved on the outer side of the joint (8) and provided with an inserting gap therebetween, the inner end of the pressing ring (7) abuts against the extrusion part (9), the inner end of the pressing ring (7) abuts against the screw cap (6) along the inner side of the screw cap (6) when the inner side of the screw cap (6) is in the annular shape and the inner end (10) is provided with an inner pressing ring (10), the compression ring (7) can be tightened inwards under the opposite action of the extrusion part (9) and the blocking edge (10).

2. The air heating valve according to claim 1, wherein the extruding part (9) is cone-shaped, the diameter of the extruding part is gradually increased from one end close to the inner end of the joint (8) to the other end, the outer side surface of the extruding part (9) can be abutted against the port of the water inlet end (2), guide surfaces which are convenient for the inward tightening of the pressing ring (7) are arranged on the abutting parts of the extruding part (9) and the blocking edge (10) and the pressing ring (7), and inclined surfaces which are obliquely arranged are arranged at the positions of the two ends of the pressing ring (7) corresponding to the two guide surfaces.

3. A heating valve according to claim 1 or 2, characterized in that the inner wall of the pressing ring (7) is provided with a plurality of pressing parts (11) protruding into a circular ring shape, and the plurality of pressing parts (11) are distributed at equal intervals along the axial direction of the pressing ring (7).

4. A heating valve according to claim 1 or 2, characterized in that a sealing ring (12) is connected to the outer side of the joint (8) corresponding to the position of the pressing ring (7), and the outer side of the outer end of the joint (8) is provided with a zigzag connecting part (13).

5. The heating valve according to claim 1 or 2, characterized in that a water inlet (14) communicated with the water inlet end (2) and a water outlet (15) communicated with the water outlet end (3) are arranged in the valve body (1), a round rod-shaped valve rod (16) and a cylindrical valve sleeve (17) are further arranged in the valve body (1), the valve sleeve (17) is in threaded connection with the valve body (1) and the outer end of the valve sleeve (17) extends out of the valve body (1), the side part of the inner end of the valve sleeve (17) can partially shield the water outlet (15), the valve rod (16) is in threaded connection with the valve sleeve (17), the outer end of the valve rod (16) extends out of the valve sleeve (17) and is connected with a hand wheel (18), and the inner end of the valve rod (16) is arranged towards the water inlet (14) and can seal the water inlet (14) when the valve rod (16) is screwed in.

6. A gas heating valve according to claim 5, characterized in that the cross-sectional shape of the outer side of the outer end of the valve sleeve (17) is regular hexagon.

7. A gas heating valve according to claim 5, characterized in that the end of the inner end of the valve stem (16) has an inwardly recessed blind hole.

8. The heating valve according to claim 1 or 2, characterized in that the outer side of the connecting pipe (4) is sleeved with an O-shaped ring (19) and an annular retainer ring (20), the retainer ring (20) is made of metal material, one end of the retainer ring (20) facing the O-shaped ring (19) is provided with a concave annular groove, the O-shaped ring (19) can partially extend into the groove, and the other end of the retainer ring (20) opposite to the O-shaped ring (19) is propped against the connecting pipe (4).

9. The air heating valve according to claim 8, wherein a seal is formed between the inner end of the connecting pipe (4) and the end of the water outlet end (3), and the inner hole section of the inner end of the connecting pipe (4) is in a regular hexagon shape.