Manual exhaust valve

Abstract

The utility model provides a manual exhaust valve which comprises an air valve assembly and an exhaust mechanism, and the air valve assembly comprises a three-way pipe, a first connecting part and a second connecting part; wherein the first connecting part is arranged at one end of the three-way pipe, the second connecting part is arranged at the other end of the three-way pipe, an exhaust mechanism is installed on the outer side of the first connecting part, and a connecting mechanism is installed on the outer side of the second connecting part; air carried in a pipeline is collected through the space between the three-way pipe and the first connecting part, when the collected air needs to be exhausted, the annular sealing plug is driven by pressing the pressing cap and utilizing the screw to move downwards, the moving annular sealing plug is separated from the water passing hole, and the air is exhausted. The exhaust valve is simple in structure and convenient to use, air can be quickly exhausted through the water passing hole under the action of water pressure, the exhaust operation mode is simplified, the overall adopted structure is small, exquisite and simple, and the production and use cost of the exhaust valve is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of exhaust valves, specifically manual exhaust valve, belong to exhaust valve technical field. BACKGROUND

[0002] Exhaust valve is one of important structures applied in independent heating system, central heating system, heating boiler, central air conditioning, floor heating and solar heating system etc.

[0003] Patent No. CN217842699U discloses a heating pipeline exhaust valve, which comprises a columnar valve body and a valve rod. A pipe joint is arranged at the lower end of the valve body. A valve port is arranged at the lower part of the inner cavity hole of the valve body. A transverse exhaust hole is arranged on the circumferential surface of the valve body at the step side of the upper surface of the valve port. A limiting ring is arranged at the upper port part of the inner cavity hole of the valve body. The valve rod is inserted into the inner cavity hole of the valve body and is connected with the valve body through screw connection. The head part of the valve rod protrudes from the upper port top surface of the valve body. An opening and closing adjusting structure is arranged at the head part of the valve rod. A limiting groove is arranged on the lower circumferential surface of the head part of the valve rod. A sealing rubber ring is arranged between the lower part of the valve rod and the connecting surface between the inner cavity hole of the valve body and the middle part. The lower end of the valve rod is provided with a valve core which is integrated with the head part and is conical. The rotation of the head part of the valve rod can make the valve rod move up and down relative to the valve body, so as to close or open the valve port through the valve core. However, although the exhaust valve has the characteristics of simple structure, low cost, convenient use and high reliability, it still needs to rotate the valve rod reciprocally to cooperate with the thread to exhaust air, which is still inconvenient to operate. Moreover, the overall structure of the valve rod is large and solid, which leads to high manufacturing and using costs of the exhaust valve. Therefore, a manual exhaust valve is proposed. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a manual exhaust valve to solve or alleviate the technical problems existing in the prior art, at least to provide beneficial choices.

[0005] The technical scheme of the utility model embodiment is realized as follows: a manual exhaust valve comprises a gas valve assembly and an exhaust mechanism. The gas valve assembly comprises a tee pipe, a first connecting part and a second connecting part.

[0006] The first connecting part is arranged at one end of the tee pipe, the second connecting part is arranged at the other end of the tee pipe, an exhaust mechanism is installed on the outside of the first connecting part, and a connecting mechanism is installed on the outside of the second connecting part.

[0007] The exhaust mechanism comprises a pressing cap, a limiting nut, a screw, an annular sealing plug and a water passing hole.

[0008] In which, the outer wall of the limiting nut is threadedly connected to the outer wall of the first connecting part, the pressure cap is slidably connected to the inner wall of the limiting nut, the outer wall of the screw is threadedly connected to the inner wall of the pressure cap, the annular sealing plug is sleeved on the bottom of the outer wall of the pressure cap, and the water hole is opened in the middle of the inner wall of the limiting nut.

[0009] Further preferably, the connecting mechanism includes a connecting nut, a slot and a first sealing ring;

[0010] Among them, the outer wall of the connecting nut is slidingly connected to the outer wall of the second connecting part, the slot is opened on the outer wall of the second connecting part, and the first sealing ring is located on the side of the connecting nut away from the second connecting part and is sleeved on the outside of the slot.

[0011] Further preferably, a spring is fixedly connected to one side of the inner side wall of the pressure cap, and the other end of the spring is located on one side of the inner side wall of the limiting nut.

[0012] Further preferably, a sealing sleeve is provided on the outer side wall of the screw, and one end of the sealing sleeve is inserted into the middle part of the inner side wall of the pressure cap.

[0013] Further preferably, a second sealing ring is fixedly connected to one side of the inner side wall of the limiting nut, and the second sealing ring is located between the limiting nut and the first connecting portion.

[0014] Further preferably, two outer protrusions are symmetrically provided on the outer side of the pressure cap, and two guide grooves are symmetrically provided on the inner side wall of the limiting nut, and the two outer protrusions are respectively slidably connected to the inner side walls of the two guide grooves.

[0015] Further preferably, a plug-in portion is provided at one end of the three-way pipe away from the second connecting portion.

[0016] Since the embodiment of the present invention adopts the above technical solution, it has the following advantages: the present invention collects the air carried in the pipeline through the space between the three-way pipe and the first connecting part. When the collected air needs to be discharged, the annular sealing plug is driven downward by the screw by pressing the pressure cap, and the moving annular sealing plug is separated from the water hole so that the air can be quickly discharged under the action of water pressure through the water hole, which simplifies the operation method during exhaust. The overall structure is small and simple, saving the production and use costs of the exhaust valve.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 It is a structural diagram of the present application;

[0020] Figure 2 It is a sectional view structural schematic diagram of the first perspective of the present application;

[0021] Figure 3 It is a sectional view structural schematic diagram of the second perspective of the present application;

[0022] Figure 4 It is an axial side view of the limiting nut of the present application;

[0023] Figure 5 It is an exploded view of the present application;

[0024] Figure 6 It is an axial side view of the tee pipe of the present application.

[0025] Reference signs: 1, gas valve assembly; 2, exhaust mechanism; 3, connecting mechanism; 101, tee pipe; 102, first connecting part; 103, second connecting part; 201, compression cap; 202, limiting nut; 203, screw; 204, annular sealing plug; 205, water passing hole; 301, connecting nut; 302, clamping groove; 303, first sealing ring; 41, spring; 42, sealing sleeve; 43, second sealing ring; 44, outer protrusion; 45, guide groove; 46, plug-in part. DETAILED DESCRIPTION

[0026] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0027] It should be noted that the terms "first", "second", "symmetrical", "array" and the like are only used for distinguishing description and position description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "symmetrical" and the like can explicitly or implicitly include one or more of the features; similarly, for some features that are not limited in number by the words "two", "three" and the like, it should be noted that the features also belong to explicitly or implicitly including one or more feature numbers.

[0028] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0029] As Figures 1-6 shown, the utility model discloses a manual exhaust valve, including valve assembly 1 and exhaust mechanism 2, valve assembly 1 includes three -way pipe 101, first connecting portion 102 and second connecting portion 103, exhaust mechanism 2 is installed on the outer side of first connecting portion 102, and connecting mechanism 3 is installed on the outer side of second connecting portion 103.

[0030] Among them, first connecting portion 102 is located at one end of three -way pipe 101, and second connecting portion 103 is located at the other end of three -way pipe 101, and the outer side of first connecting portion 102 is provided with exhaust mechanism 2, and the outer side of second connecting portion 103 is provided with connecting mechanism 3.

[0031] Among them, exhaust mechanism 2 includes pressure cap 201, limit nut 202, screw 203, annular sealing plug 204 and water hole 205.

[0032] Among them, the outer side wall of limit nut 202 is threadedly connected with the outer side wall of first connecting portion 102, pressure cap 201 is slidably connected to the inner side wall of limit nut 202, the outer side wall of screw 203 is threadedly connected with the inner side wall of pressure cap 201, annular sealing plug 204 is sleeved on the bottom of the outer side wall of pressure cap 201, and water hole 205 is formed in the middle part of the inner side wall of limit nut 202.

[0033] In an embodiment, connecting mechanism 3 includes connecting nut 301, clamping groove 302 and first sealing ring 303.

[0034] Among them, the outer side wall of connecting nut 301 is slidably connected with the outer side wall of second connecting portion 103, clamping groove 302 is formed in the outer side wall of second connecting portion 103, and first sealing ring 303 is located on the side away from second connecting portion 103 of connecting nut 301 and is sleeved on the outer side of clamping groove 302.

[0035] Connecting nut 301 is connected with the pipeline interface by thread, and the pipeline interface is extruded and fitted with one side of first sealing ring 303 by rotating connecting nut 301 by thread, to ensure the sealing property between second connecting portion 103 and the pipeline interface.

[0036] In one embodiment, the inner side wall of the cap 201 is fixedly connected with a spring 41, the other end of the spring 41 is located at the inner side wall of the limiting nut 202, the outer side wall of the screw 203 is sleeved with a sealing sleeve 42, one end of the sealing sleeve 42 is inserted into the middle part of the inner side wall of the cap 201.

[0037] By pressing the cap 201, the spring 41 is compressed to store energy, so that the compressed spring 41 resets the cap 201, and the sealing sleeve 42 is arranged to seal between the cap 201 and the screw 203, preventing the screw 203 from rusting in the cap 201.

[0038] In one embodiment, the inner side wall of the limiting nut 202 is fixedly connected with a second sealing ring 43, the second sealing ring 43 is located between the limiting nut 202 and the first connecting part 102, the outer side of the cap 201 is symmetrically provided with two outer protrusions 44, the inner side wall of the limiting nut 202 is symmetrically provided with two guide grooves 45, and the two outer protrusions 44 are respectively connected to the inner side wall of the two guide grooves 45.

[0039] The second sealing ring 43 is arranged to increase the sealing between the limiting nut 202 and the first connecting part 102, the outer protrusions 44 are moved by pressing the cap 201, and the moving outer protrusions 44 are guided by sliding in the guide grooves 45 to guide the moving cap 201.

[0040] In one embodiment, the three-way pipe 101 is provided with a plug-in part 46 away from the second connecting part 103.

[0041] The plug-in part 46 is arranged so that the three-way pipe 101 can be connected to the pipeline system by plugging.

[0042] The utility model in work: first, through moving the three -way pipe 101 drive plug -in part 46 inserts pipeline system, then through connecting cap 301 utilize thread and pipeline interface connection, and through rotating connecting cap 301 utilize thread drive pipeline interface and one side of first sealing ring 303 extrusion fit, to ensure the sealing between the second connecting part 103 and the pipeline interface, to complete the installation and fixing operation of the exhaust valve, and ensure that the position of the first connecting part 102 is always upward during installation.

[0043] When the exhaust valve is installed, the space between the first connecting part 102 and the three-way pipe 101 collects air carried in the pipeline water.

[0044] When manual exhaust is needed, the outer lug 44, screw 203 and spring 41 are moved by pressing the pressure cap 201, the moving spring 41 is compressed by extruding the limiting nut 202 to store power, the moving outer lug 44 is guided by sliding in the guide groove 45 to guide the moving pressure cap 201, the moving screw 203 drives the annular sealing plug 204 to separate from the water hole 205 to open the water hole 205, so that the air collected in the first connecting part 102 is discharged through the water hole 205 under the action of water pressure.

[0045] When the air is exhausted and water flows out, the pressure cap 201 is moved in the opposite direction by the compressed spring 41, the pressure cap 201 moves in the opposite direction by the screw 203 to drive the annular sealing plug 204 to seal the water hole 205 again, so as to continue to collect the air carried by the pipeline in the first connecting part 102.

[0046] The second sealing ring 43 is arranged to increase the sealing between the limiting nut 202 and the first connecting part 102, and the sealing sleeve 42 is arranged to seal between the pressure cap 201 and the screw 203 to prevent the screw 203 from rusting in the pressure cap 201.

[0047] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A manually operated exhaust valve comprising a valve assembly (1) and an exhaust mechanism (2), characterized in that, The gas valve assembly (1) comprises a three-way pipe (101), a first connecting part (102) and a second connecting part (103); The first connecting part (102) is arranged at one end of the three-way pipe (101), and the second connecting part (103) is arranged at the other end of the three-way pipe (101); an exhaust mechanism (2) is mounted on the outer side of the first connecting part (102), and a connecting mechanism (3) is mounted on the outer side of the second connecting part (103); The exhaust mechanism (2) comprises a pressing cap (201), a limiting nut (202), a screw (203), an annular sealing plug (204) and a water passing hole (205); The outer side wall of the limiting nut (202) is threadedly connected with the outer side wall of the first connecting part (102), the pressing cap (201) is slidingly connected with the inner side wall of the limiting nut (202), the outer side wall of the screw (203) is threadedly connected with the inner side wall of the pressing cap (201), the annular sealing plug (204) is sleeved on the bottom of the outer side wall of the pressing cap (201), and the water passing hole (205) is formed in the middle of the inner side wall of the limiting nut (202).

2. The manual exhaust valve according to claim 1, characterized in that: The connecting mechanism (3) comprises a connecting nut (301), a clamping groove (302) and a first sealing ring (303); The outer side wall of the connecting nut (301) is slidingly connected with the outer side wall of the second connecting part (103), the clamping groove (302) is formed in the outer side wall of the second connecting part (103), and the first sealing ring (303) is located on the side, away from the second connecting part (103), of the connecting nut (301) and is sleeved on the outer side of the clamping groove (302).

3. The manual exhaust valve of claim 1, wherein: The inner side wall of the pressing cap (201) is fixedly connected with a spring (41) on one side, and the other end of the spring (41) is located on one side of the inner side wall of the limiting nut (202).

4. The manual exhaust valve of claim 1, wherein: The outer side wall of the screw (203) is sleeved with a sealing sleeve (42), and one end of the sealing sleeve (42) is inserted into the middle of the inner side wall of the pressing cap (201).

5. The manual exhaust valve of claim 1, wherein: The inner side wall of the limiting nut (202) is fixedly connected with a second sealing ring (43) on one side, and the second sealing ring (43) is located between the limiting nut (202) and the first connecting part (102).

6. The manual exhaust valve of claim 1, wherein: The outer side of the pressing cap (201) is symmetrically provided with two outer lugs (44), the inner side wall of the limiting nut (202) is symmetrically provided with two guide grooves (45), and the two outer lugs (44) are slidingly connected with the inner side walls of the two guide grooves (45), respectively.

7. The manual exhaust valve of claim 1, wherein: The end, away from the second connecting part (103), of the three-way pipe (101) is provided with a plug-in part (46).

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