A composite air valve

Abstract

The present invention discloses a composite air valve, including equal-length studs, anti-blow baffles, guide studs, pressure-bearing pipes, floats, valve stems, valve flaps, trace exhaust valve flaps, trace exhaust valve seats, exhaust nuts, valve seats, valve covers, exhaust pipes, protective sleeves, wind-shielding valves, valve shafts, lengthened nuts, filling foam, cover plates, and eye screws. The equal-length studs are provided with eight and are arranged at the bottom end of the composite air valve, distributed in a circular array, and one end of the equal-length studs is provided with an internal threaded fixed connection with the composite air valve. The antifreeze drain valve of the present invention is a special exhaust valve developed specifically for pipeline exhaust valves exposed to the outside to prevent freezing in winter and losing its function. It can prevent the exhaust valve from freezing in winter, and solve the problem that users need to wrap the exhaust valve with quilts and straw ropes in winter to prevent the exhaust valve from freezing and affecting the exhaust.

Description

Technical Field

[0001] The invention relates to a connecting valve body, in particular to a composite air valve. Background Art

[0002] The exhaust valve is an indispensable auxiliary component in the water pipeline system. It is widely used at the highest point or elbow or airtight place on the pipeline to remove the gas in the pipeline, solve the air blockage problem of the water pipeline, and ensure the normal operation of the pipeline. However, due to seasonal temperature reasons, the ordinary valve body needs to be wrapped with a quilt or straw rope in winter, and the quilt or straw rope will affect the exhaust of the valve body. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a composite air valve for the above problems.

[0004] In order to solve the above technical problems, the technical solution provided by the present invention is: a composite air valve, including equal-length studs, anti-blow baffles, guide studs, pressure-bearing pipes, floats, valve stems, valve discs, trace exhaust valve discs, trace exhaust valve seats, exhaust nuts, valve seats, valve covers, exhaust pipes, protective sleeves, wind-shielding valves, valve shafts, lengthened nuts, filling foam, cover plates, and eye screws. The equal-length studs are provided with eight and are arranged at the bottom end of the composite air valve in a circular array. One end of the equal-length studs is provided with a plurality of studs, each stud having a plurality of equal-length ... The blow-proof baffle is made of stainless steel and is arranged in the composite air valve and overlaps with its central axis. Both ends of the blow-proof baffle are fixedly connected with screws. Four guide studs are provided and are arranged on both sides of the blow-proof baffle. One end of the guide stud is provided with an o-ring and a connecting flange, and the other end is provided with a valve seat and a valve cover. The guide stud is fixedly connected to the valve seat and the valve cover through nuts and gaskets, and an o-ring is provided between the valve seat and the valve cover. The pressure-bearing pipe is arranged on one side of the guide stud. The float is made of polypropylene PP and is arranged on the blow-proof baffle. The valve stem is arranged between the blow baffle and the valve seat, and is made of polypropylene PP. One end is arranged at the center hole on the top surface of the float, and the other end is provided with a micro-exhaust valve disc. The micro-exhaust valve seat is arranged on the micro-exhaust valve disc, and an o-ring is arranged between the micro-exhaust valve disc and the micro-exhaust valve seat. The exhaust nut is made of polyethylene PE, and the mass production adopts the injection mold method. The exhaust nut is a rotating body part, which is a cylindrical shell. The valve disc is made of polypropylene PP, which is arranged above the float and has a center hole. The micro-exhaust valve The flap, trace exhaust valve seat and exhaust nut are all arranged in the central hole of the valve flap. The exhaust pipe is an L-shaped channel, one end of which is arranged on the valve seat, and the other end is arranged at the opening of the protective sleeve of the composite air valve. It is connected and fixed by nuts and studs, and a windshield valve and a valve shaft are arranged in the opening of the protective sleeve. The extended nut is arranged between the top of the exhaust pipe and the cover plate. The filling foam is made of polyurethane and is filled between the protective sleeve and the pressure pipe. The lifting screw is arranged in the middle of the cover plate, and the lifting screw is connected and fixed by the internal thread in the middle of the cover plate.

[0005] Compared with the prior art, the advantages of the present invention are: the antifreeze drain valve of the present invention is a special exhaust valve developed specifically for pipeline exhaust valves exposed to the outside to prevent freezing and loss of function in winter. It can prevent the exhaust valve from freezing in winter, and solve the problem that users need to wrap the exhaust valve with quilts and straw ropes to prevent the exhaust valve from freezing and affecting exhaust in winter, and has the following advantages: combined parts design, all-stainless steel structure with long service life; foam insulation, windproof design of the damper to ensure that it will not freeze at lower temperatures; engineering plastic valve disc and float ball have good specific gravity and reliable performance, even if ice forms in the valve under ultra-low temperature conditions, it can continue to be used after the ice melts, and the new float ball will not be frozen and flattened and become ineffective; the anti-blow plate design ensures that the float ball will not be blown up and cause air blockage during high-speed exhaust; self-sealing sealing ring, the sealing ring automatically fits and seals when the valve disc is closed, and the sealing is reliable and has a long service life.

[0006] As an improvement, the float is made of polypropylene PP, and is arranged between the anti-blowing baffle and the valve seat, and a center hole is provided on the top and bottom surfaces, and the center of the center hole coincides with the center of the valve body of the composite air valve.

[0007] As an improvement, a sealing ring is provided on one side of the valve disc, and the sealing ring moves with the valve disc to form a self-sealing sealing ring.

[0008] As an improvement, the valve flap is made of polypropylene PP, is arranged above the float, and is provided with a center hole. The center hole is similar to the structure of a blind hole, but small holes of different diameters are provided at the end of the blind hole.

[0009] As an improvement, the exhaust nut is a rotating body part, which is a cylindrical shell, and the opposite side of the shell is provided with a smaller central hole for assembling the micro exhaust valve seat.

[0010] As an improvement, the portion of the pressure pipe in contact with water is provided with a stainless steel protective sleeve.

[0011] As an improvement, an exhaust damper is installed at one end of the exhaust pipe to prevent air from flowing relatively, thereby ensuring that parts inside the valve are not troubled by low-temperature freezing, and the valve can still be used normally in winter with low temperatures. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a composite air valve.

[0013] As shown in the figure: 1. Equal-length double-headed studs, 2. Anti-blow baffle, 3. Guide studs, 4. Pressure pipe, 5. Float, 6. Valve stem, 7. Valve disc, 8. Micro-exhaust valve disc, 9. Micro-exhaust valve seat, 10. Exhaust nut, 11. Valve seat, 12. Valve cover, 13. Exhaust pipe, 14. Protective sleeve, 15. Wind-proof valve, 16. Valve shaft, 17. Extension nut, 18. Filling foam, 19. Cover plate, 20. Lifting eye screw. DETAILED DESCRIPTION

[0014] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0015] In a specific implementation of the present invention, a composite air valve comprises an equal-length stud 1, an anti-blow baffle 2, a guide stud 3, a pressure-bearing pipe 4, a float 5, a valve stem 6, a valve flap 7, a trace exhaust valve flap 8, a trace exhaust valve seat 9, an exhaust nut 10, a valve seat 11, a valve cover 12, an exhaust pipe 13, a protective sleeve 14, a windshield valve 15, a valve shaft 16, an extension nut 17, a filling foam 18, a cover plate 19, and a lifting eye screw 20. The equal-length stud 1 is provided with eight and is arranged at the bottom end of the composite air valve in a circular array. One end of the equal-length stud 1 is connected to the composite air valve with an internal threaded fixing The anti-blowing baffle 2 is made of 304 stainless steel, which is arranged in the composite air valve and overlaps with the central axis thereof. Both ends of the anti-blowing baffle 2 are fixedly connected with screws. Four guide studs 3 are provided and are arranged on both sides of the anti-blowing baffle 2. One end of the guide stud 3 is provided with an o-ring and a connecting flange, and the other end is provided with a valve seat 11 and a valve cover 12. The guide stud 3 is fixedly connected with the valve seat 11 and the valve cover 12 by nuts and gaskets, and an o-ring is provided between the valve seat 11 and the valve cover 12. The pressure-bearing pipe 4 is arranged on one side of the guide stud 3. The float 5 is made of polypropylene PP and is arranged on the anti-blowing baffle 2. The valve stem 6 is arranged between the valve seat 11 and the valve seat 11, and the valve stem 6 is made of polypropylene PP, one end of which is arranged at the center hole of the top surface of the float 5, and the other end is provided with a micro-exhaust valve disc 8, and the micro-exhaust valve seat 9 is arranged on the micro-exhaust valve disc 8, and an o-ring is arranged between the micro-exhaust valve disc 8 and the micro-exhaust valve seat 9, and the exhaust nut 10 is made of polyethylene PE, and the mass production adopts the injection mold method, the exhaust nut 10 is a rotating body part, which is a cylindrical shell, and the valve disc 7 is made of polypropylene PP, which is arranged above the float 5 and is provided with a center hole, the micro-exhaust valve disc 8, the micro-exhaust valve seat 9, the exhaust nut 10 is made of polyethylene PE, and the mass production adopts the injection mold method, the exhaust nut 10 is a rotating body part, which is a cylindrical shell, and the valve disc 7 is made of polypropylene PP, which is arranged above the float 5 and is provided with a center hole, and the micro-exhaust valve disc 8, the micro-exhaust valve seat 9, the exhaust nut 10 are made of polyethylene PE, and the mass production adopts the injection mold method, the exhaust nut 10 is a rotating body part, and the cylindrical shell ... The air nuts 10 are all arranged in the center hole of the valve disc 7. The exhaust pipe 13 is an L-shaped channel, one end of which is arranged on the valve seat 11, and the other end is arranged at the opening of the protective sleeve 14 of the composite air valve. It is connected and fixed by nuts and studs, and a windshield valve 15 and a valve shaft 16 are arranged in the opening of the protective sleeve 14. The extended nut 17 is arranged between the top of the exhaust pipe 13 and the cover plate 19. The filling foam 18 is made of polyurethane and is filled between the protective sleeve 14 and the pressure pipe 4. The lifting screw 20 is arranged in the middle of the cover plate 19, and the lifting screw 20 is connected and fixed by the internal thread in the middle of the cover plate 19.

[0016] The float 5 is made of polypropylene PP, and is disposed between the anti-blowing baffle 2 and the valve seat 11, and has a center hole on the top and bottom surfaces, the center of the center hole coincides with the center of the valve body of the composite air valve.

[0017] A sealing ring is provided on one side of the valve flap 7, and the sealing ring moves with the valve flap 7 to form a self-sealing sealing ring.

[0018] The valve flap 7 is made of polypropylene PP, is arranged above the float 5, and is provided with a center hole. The center hole has a structure similar to a blind hole, but small holes of different diameters are provided at the end of the blind hole.

[0019] The exhaust nut 10 is a rotating body part, which is a cylindrical shell, and the opposite side of the shell is provided with a small central hole for assembling the micro exhaust valve seat 9.

[0020] The outer portion of the pressure-bearing pipe 4 in contact with water is provided with a stainless steel protective sleeve 14 .

[0021] An exhaust damper is installed at one end of the exhaust pipe 13 to prevent the air from flowing relatively, thereby ensuring that the parts inside the valve are not troubled by low temperature freezing, and the valve can still be used normally in winter with low temperatures.

[0022] Working principle of the present invention: This valve has the same working principle as the common composite air valve, and a foam insulation layer is added to the periphery of the exhaust valve to solve the problem of ice formation caused by low temperature conduction through the valve body. An exhaust pipe is installed at the exhaust hole, and a damper is installed at the exhaust pipe mouth to prevent cold air from entering from the exhaust pipe and freezing at the valve seat and valve cover.

[0023] Installation, adjustment and maintenance:

[0024] 1. This valve should be installed horizontally on the pipeline, that is, the valve cover should face upwards. ;

[0025] 2. Pay attention to the verticality of the valve during installation, and the deviation should not exceed 2 degrees;

[0026] 3. Before installation, remove all debris from the pipes and flush the pipes thoroughly before passing water;

[0027] 4. During installation, a partition valve should be installed in front of the valve to facilitate the repair and maintenance of the exhaust valve.

[0028] Main technical parameters:

[0029]

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features, and in the description of the present invention, "plurality" means two or more, unless otherwise clearly defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0034] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and intent of the present invention.

Claims

1. A composite air valve, characterized in that: The invention comprises an equal-length stud (1), an anti-blowing baffle (2), a guide stud (3), a pressure-bearing pipe (4), a float (5), a valve stem (6), a valve flap (7), a micro-exhaust valve flap (8), a micro-exhaust valve seat (9), an exhaust nut (10), a valve seat (11), a valve cover (12), an exhaust pipe (13), a protective sleeve (14), a wind-shielding valve (15), a valve shaft (16), an extension nut (17), a filling foam (18), a cover plate (19), and a lifting screw (20). The equal-length stud (1) is provided with eight and is arranged at the bottom end of the composite air valve and is distributed in a circular array. One end of the equal-length stud (1) is fixedly connected to the composite air valve by an internal thread. The anti-blowing baffle (2) is made of 304 stainless steel, is arranged in the composite air valve and overlaps with the central axis thereof, and screws are arranged at both ends of the anti-blowing baffle (2) for fixing and connection, four guide studs (3) are provided and are arranged on both sides of the anti-blowing baffle (2), one end of the guide stud (3) is provided with an O-ring and a connecting flange, and the other end is provided with a valve seat (11) and a valve cover (12), the guide stud (3) is fixedly connected to the valve seat (11) and the valve cover (12) by nuts and gaskets, and an O-ring is provided between the valve seat (11) and the valve cover (12), the pressure-bearing pipe (4) is arranged on one side of the guide stud (3), and the float (5) is made of polypropylene (PP) and is provided between the anti-blowing baffle (2) and the valve seat (1 1), the valve stem (6) is made of polypropylene (PP), one end of which is arranged at the center hole of the top surface of the float (5), and the other end is provided with a micro exhaust valve disc (8), the micro exhaust valve seat (9) is arranged on the micro exhaust valve disc (8), and an O-ring is arranged between the micro exhaust valve disc (8) and the micro exhaust valve seat (9), the exhaust nut (10) is made of polyethylene (PE), and the mass production adopts the injection mold method, the exhaust nut (10) is a rotating body part, which is a cylindrical shell, the valve disc (7) is made of polypropylene (PP), is arranged above the float (5), and is provided with a center hole, the micro exhaust valve disc (8), the micro exhaust valve seat (9), the exhaust nut (10) are arranged in the central hole of the valve disc (7), the exhaust pipe (13) is an L-shaped channel, one end of which is arranged on the valve seat (11), and the other end is arranged at the opening of the protective sleeve (14) of the composite air valve, and is connected and fixed by nuts and studs, and a windproof valve (15) and a valve shaft (16) are arranged in the opening of the protective sleeve (14), the extended nut (17) is arranged between the top of the exhaust pipe (13) and the cover plate (19), the filling foam (18) is made of polyurethane, and is filled between the protective sleeve (14) and the pressure-bearing pipe (4), the lifting screw (20) is arranged in the middle of the cover plate (19), and the lifting screw (20) is connected and fixed by the internal thread in the middle of the cover plate (19); The float (5) is made of polypropylene (PP), and is disposed between the anti-blowing baffle (2) and the valve seat (11), and has a center hole on the top and bottom surfaces, the center of the center hole coincides with the center of the valve body of the composite air valve; A sealing ring is provided on one side of the valve flap (7), and the sealing ring moves along with the valve flap (7) to form a self-sealing sealing ring.

2. A composite air valve according to claim 1, characterized in that: The outer portion of the pressure-bearing pipe (4) in contact with water is provided with a stainless steel protective sleeve (14).

3. A composite air valve according to claim 1, characterized in that: An exhaust damper is installed at one end of the exhaust pipe (13) to prevent air from flowing relatively.

Images