Anti-freezing water seal check valve in alpine region

Abstract

The utility model relates to the technical field of water seal check valves, in particular to an anti-freezing water seal check valve in an alpine region, which comprises an inner valve body, an outer shell and a heating component, a plurality of supporting plates are fixedly connected to the outer side wall of the inner valve body, the inner wall of the outer shell is fixedly connected with the supporting plates, and connecting pipes are fixedly connected to the front end and the rear end of the inner valve body. The heating assembly sleeves the outer side of the connecting pipe and comprises an inner sleeve, a controller and a plurality of heating plates, an outer sleeve is arranged on the outer side of the inner sleeve, the end, close to the outer shell, of the outer sleeve is fixedly connected with the outer shell, the controller is fixed to the outer side surface of the outer sleeve, and a heat preservation layer is arranged in the outer sleeve; according to the utility model, the controller controls the heating plate to heat the valve body and simultaneously heat the internal medium, so that the internal medium is prevented from being frozen while the water seal part in the valve body is prevented from being frozen, the damage to the sealing structure of the door caused by the volume expansion of water is avoided, and the check valve is protected in a severe cold state.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of anti-freezing water seal check valve, in particular to a kind of anti-freezing water seal check valve in alpine region, belong to water seal check valve technical field. BACKGROUND

[0002] Water seal check valve is a kind of valve for preventing medium backflow, by water injection to specific chamber or area, form certain height water seal, utilize the sealing performance of water to prevent medium backflow, has wide application in pipeline system in chemical industry, petroleum, natural gas and water treatment etc.

[0003] In alpine region, temperature is often lower than the freezing point of water, water seal part in water seal check valve is easy to freeze, the volume expansion of water can damage the sealing structure of valve or valve body itself, freezing can make water seal lose sealing and check function.

[0004] Therefore, it is urgent to improve the anti-freezing water seal check valve in alpine region to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of anti-freezing water seal check valve in alpine region, heat is generated by controller control heating plate, the heat generated by heating plate is conducted to inner sleeve pipe, inner sleeve pipe is closely attached with connecting pipe, so as to heat connecting pipe, part of the heat on connecting pipe is conducted to valve body to heat valve body, another part directly heats internal medium, heat insulation layer prevents external cold air from entering while reducing the heat loss of heating plate, so as to avoid freezing of water seal part in valve body, and avoid freezing of internal medium, so as to avoid the volume expansion of water to damage the sealing structure of door, and then protect check valve in severe cold state.

[0006] In order to achieve the above purpose, the main technical scheme of the utility model is adopted, which includes inner valve body, outer shell and heating assembly, the outer side wall of the inner valve body is fixedly connected with a plurality of support plates, the inner wall of the outer shell is fixedly connected with the support plates, the front and rear ends of the inner valve body are fixedly connected with connecting pipes, the heating assembly is sleeved outside the connecting pipes, the heating assembly includes an inner sleeve pipe, a controller and a plurality of heating plates, the inner side surface of the inner sleeve pipe is attached to the outer side surface of the connecting pipe, the plurality of heating plates are fixedly connected with the inner sleeve pipe, and the heating plates are evenly distributed along the circumference of the inner sleeve pipe, the outer side of the inner sleeve pipe is provided with an outer sleeve pipe, one end of the outer sleeve pipe close to the outer shell is fixedly connected with the outer shell, the controller is fixed on the outer side surface of the outer sleeve pipe, and the inner sleeve pipe is provided with a heat insulation layer.

[0007] Preferably, a heating platform is provided on the outer surface of the inner sleeve, and fixing bayonet holes are provided at both ends of the heating platform. The heating plate is fixed on the surface of the heating platform, and both ends of the heating plate are respectively clamped in the fixing bayonet holes.

[0008] Preferably, a pressure plate is provided on the outer surface of the fixing bayonet, a phase change heat conducting sheet is provided between the heating plate and the heating platform, and the pressure plate and the fixing bayonet are connected by bolts.

[0009] Preferably, a sealing gasket is provided between the connecting pipe and the inner valve body, and the connecting fixture is connected to the inner valve body via bolts.

[0010] Preferably, the support plate is a plastic plate, and a plurality of the support plates are evenly distributed along the surface of the inner valve body.

[0011] Preferably, sealing plates are provided at both ends of the heating component, the inner ring of the sealing plate is fixedly connected to the inner sleeve, and the outer ring of the sealing plate is fixedly connected to the outer sleeve.

[0012] Preferably, the outer surface of the outer shell is provided with a plurality of connecting wires, and the outer surface of the outer shell is provided with a plurality of connecting buckles.

[0013] The utility model has at least the following beneficial effects:

[0014] 1. The controller controls the heating plate to generate heat. The heat generated by the heating plate is transferred to the inner sleeve, which fits tightly with the connecting pipe, thereby heating the connecting pipe. Part of the heat on the connecting pipe is transferred to the valve body to heat the valve body, and the other part directly heats the internal medium. The insulation layer prevents the external cold air from entering while reducing the heat loss generated by the heating plate, thereby avoiding the freezing of the water seal inside the valve body and the freezing of the internal medium, thereby preventing the volume expansion of water from damaging the sealing structure of the door, thereby protecting the check valve in severe cold conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 A schematic diagram of the cross-sectional structure provided by the utility model;

[0017] Figure 2 This is a schematic diagram of the isometric structure provided by the utility model;

[0018] Figure 3 A schematic diagram of the internal structure provided by the utility model;

[0019] Figure 4 The internal valve body external structure schematic diagram is provided for the utility model.

[0020] Figure 5 The internal valve body external structure schematic diagram is provided for the utility model.

[0021] In the figure, 1, internal valve body; 2, outer shell; 3, heating assembly; 4, support plate; 5, outer sleeve; 6, heat preservation layer; 7, heating platform; 8, fixed bayonet; 9, pressing plate; 10, phase change heat conduction sheet; 11, sealing plate; 12, connecting iron wire; 13, connecting buckle; 14, sealing gasket; 15, connecting pipe; 301, internal sleeve; 302, controller; 303, heating plate. DETAILED DESCRIPTION

[0022] The implementation of the present application will be described in detail below with the help of the accompanying drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0023] As Figure 1 - Figure 5 The high-cold region anti-freezing type water seal check valve provided by the embodiment includes an internal valve body 1, an outer shell 2 and a heating assembly 3. A plurality of support plates 4 are fixedly connected to the outer side wall of the internal valve body 1. The inner wall of the outer shell 2 is fixedly connected with the support plates 4. The front and rear ends of the internal valve body 1 are fixedly connected with connecting pipes 15. The heating assembly 3 is sleeved outside the connecting pipes 15. The heating assembly 3 includes an internal sleeve 301, a controller 302 and a plurality of heating plates 303. The inner side surface of the internal sleeve 301 is attached to the outer side surface of the connecting pipes 15. The plurality of heating plates 303 are fixedly connected with the internal sleeve 301. The heating plates 303 are evenly distributed along the circumference of the internal sleeve 301. The outer side of the internal sleeve 301 is provided with an outer sleeve 5. The end of the outer sleeve 5 close to the outer shell 2 is fixedly connected with the outer shell 2. The controller 302 is fixed on the outer side surface of the outer sleeve 5. The inner part of the outer sleeve 5 is provided with a heat preservation layer 6. The support plates 4 are plastic plates. The plurality of support plates 4 are evenly distributed along the surface of the internal valve body 1. The support plates 4 separate the outer shell 2 from the valve body. The plastic plates effectively prevent the external cold air from entering the valve body. When the weather is cold, the controller 302 is powered on. The heating plates 303 are controlled to generate heat through the controller 302. The heat generated by the heating plates 303 is conducted to the internal sleeve 301. The internal sleeve 301 is closely attached to the connecting pipes 15. The internal sleeve 301 conducts the heat to the connecting pipes 15, thereby heating the connecting pipes 15. Part of the heat on the connecting pipes 15 is conducted to the valve body to heat the valve body. The other part of the heat directly heats the internal medium. The heat preservation layer 6 prevents the external cold air from entering while reducing the heat loss of the heating plates 303, thereby avoiding the freezing of the water seal part in the valve body and the freezing of the internal medium, so as to avoid the damage of the expansion of the water volume to the sealing structure of the door, thereby protecting the check valve in the severe cold state.

[0024] Further, as shown in Figure 5 The outer surface of the inner sleeve 301 is provided with a heating platform 7, and the heating platform 7 is provided with a fixed clamp 8 at both ends. The heating plate 303 is fixed on the surface of the heating platform 7, and the heating plate 303 is clamped in the fixed clamp 8 at both ends. The fixed clamp 8 positions the heating plate 303, making it easy to install while preventing the heating plate 303 from shifting during use and handling. The outer surface of the fixed clamp 8 is provided with a pressing plate 9, and the heating plate 303 is provided with a phase change heat conducting sheet 10 between the heating platform 7. The pressing plate 9 is connected with the fixed clamp 8 through bolts, and the phase change heat conducting sheet 10 is used to fill the gap between the heating plate 303 and the heating platform 7, so that the heat of the heating plate 303 is more easily conducted to the inner sleeve 301. The pressing plate 9 provides pressure to the heating plate 303.

[0025] Among them, as shown in Figure 1 And Figure 4 The connecting pipe 15 and the inner valve body 1 are provided with a sealing gasket 14, and the connecting pipe 15 and the inner valve body 1 are connected through bolts. The sealing gasket 14 and the bolt prevent internal liquid leakage, and at the same time, the connecting pipe 15 and the valve body joint part are wrapped inside the equipment.

[0026] Among them, as shown in Figure 1 And Figure 2 The heating assembly 3 is provided with a sealing plate 11 at both ends. The inner ring of the sealing plate 11 is fixedly connected with the inner sleeve 301, and the outer ring of the sealing plate 11 is fixedly connected with the outer sleeve 5. The sealing plate 11 protects the internal heating plate 303 from water vapor and other liquids.

[0027] Among them, as shown in Figure 1 The outer surface of the outer shell 2 is provided with a plurality of connecting iron wires 12, and the outer surface of the outer shell 2 is provided with a plurality of connecting buckles 13. The connecting iron wires 12 and the connecting buckles 13 are matched. After the heating assembly 3 is sleeved on the outer surface of the connecting pipe 15, the connecting iron wires 12 are wound on the connecting port, and the fixing of the heating assembly 3 is completed

[0028] As shown in Figure 1 - Figure 5As shown, the principle of the anti-freezing water seal check valve in the alpine region provided by the embodiment is as follows: when the weather is cold, the controller 302 is powered on, the heating plate 303 is heated by the controller 302, the heat emitted by the heating plate 303 is positioned by the fixed clamping hole 8, the heating plate 303 is convenient to install, and at the same time, the heating plate 303 is prevented from being displaced during use and carrying, the phase change heat conduction sheet 10 is used to fill the gap between the heating plate 303 and the heating table 7, so that the heat of the heating plate 303 is more easily conducted to the inner sleeve 301, the pressing plate 9 provides pressure to the heating plate 303, so that the heating plate 303 is tightly attached to the inner sleeve 301, the heat emitted by the heating plate 303 is transmitted to the inner sleeve 301, the inner sleeve 301 conducts the heat to the connecting pipe 15, thereby heating the connecting pipe 15, part of the heat on the connecting pipe 15 is conducted to the valve body to heat the valve body, and the other part directly heats the internal medium, the heat loss of the heating plate 303 is reduced while the external cold air is prevented from entering by the heat preservation layer 6, and at the same time, the support plate 4 is a plastic plate, the support plate 4 separates the outer shell 2 from the valve body, the plastic plate effectively prevents the external cold air from entering the valve body, thereby avoiding the water seal part of the valve body from freezing, and avoiding the internal medium from freezing, thereby avoiding the damage to the sealing structure of the door caused by the volume expansion of water, and further protecting the check valve in the severe cold state.

[0029] As used in the specification and claims, certain terminology is used to refer to certain components. Those of ordinary skill in the art will appreciate that hardware manufacturers can refer to the same component using different terminology. The specification and claims do not serve as a means to distinguish components based on the names used to refer to them, but rather serve as a means to distinguish components based on their functional differences. As used throughout the specification and claims, "comprising" is a broad term intended to be open-ended. It specifically can be interpreted as "including, but not limited to." "Substantially" and its derivatives do not imply a perfect, absolute or theoretical compliance with a given criterion or standard, but do imply a sufficient compliance with such criterion or standard that the technical effect of the technical solution is not significantly impaired.

[0030] It should be noted that the terms "comprising", "containing", or any other similar words are intended to encompass non-exclusive inclusions, so that the goods or systems including a series of elements not only include those elements, but also include other elements not explicitly listed, or include elements inherent to such goods or systems. Without more limitations, the element defined by the sentence "including a" does not exclude the existence of other identical elements in the goods or systems including the element.

[0031] The above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application conceived herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A high-cold region anti-freezing water seal check valve, comprising an inner valve body (1), an outer shell body (2) and a heating assembly (3), characterized in that: The inner valve body (1) is fixedly connected with a plurality of support plates (4) on the outer side wall, the inner wall of the outer shell (2) is fixedly connected with the support plates (4), the front and rear ends of the inner valve body (1) are fixedly connected with 15 connecting pipes (15), the heating assembly (3) is sleeved outside the connecting pipe (15), the heating assembly (3) comprises an inner sleeve (301), a controller (302) and a plurality of heating plates (303), the inner side surface of the inner sleeve (301) is attached to the outer side surface of the connecting pipe (15), the plurality of heating plates (303) are fixedly connected with the inner sleeve (301), and the heating plates (303) are evenly distributed along the circumference of the inner sleeve (301), the outer side of the inner sleeve (301) is provided with an outer sleeve (5), one end of the outer sleeve (5) close to the outer shell (2) is fixedly connected with the outer shell (2), the controller (302) is fixed on the outer side surface of the outer sleeve (5), and the inner sleeve (5) is provided with a heat preservation layer (6).

2. The freeze-proof water-seal check valve of claim 1, wherein: The outer side surface of the inner sleeve (301) is provided with a heating table (7), both ends of the heating table (7) are provided with fixed sockets (8), the heating plates (303) are fixed on the surface of the heating table (7), and both ends of the heating plates (303) are clamped in the fixed sockets (8) respectively.

3. The freeze-proof water-seal check valve of claim 2, wherein: The outer side surface of the fixed socket (8) is provided with a pressing plate (9), the phase change heat conducting sheet (10) is arranged between the heating plate (303) and the heating table (7), and the pressing plate (9) and the fixed socket (8) are connected through bolts.

4. The freeze-proof water-seal check valve of claim 1, wherein: The connecting pipe (15) and the inner valve body (1) are connected through a sealing gasket (14).

5. The freeze-proof water-seal check valve of claim 1, wherein: The support plates (4) are plastic plates, and a plurality of support plates (4) are evenly distributed along the surface of the inner valve body (1).

6. The freeze-proof water-seal check valve of claim 1, wherein: Both ends of the heating assembly (3) are provided with sealing plates (11), the inner ring of the sealing plate (11) is fixedly connected with the inner sleeve (301), and the outer ring of the sealing plate (11) is fixedly connected with the outer sleeve (5).

7. The freeze-proof water-seal check valve of claim 1, wherein: The outer side surface of the outer shell (2) is provided with a plurality of connecting iron wires (12), and the outer side surface of the outer shell (2) is provided with a plurality of connecting buckles (13).

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