Check valve with anti-freezing effect

Abstract

The utility model discloses a check valve with an anti-freezing effect, and belongs to the field of check valves. The problems that the heat preservation effect is poor and the installation efficiency is low are solved. The box body and the valve body are fixedly connected through the connecting block, when the environment temperature is low, firstly, anti-freezing liquid is input into the connecting block through the liquid inlet pipe, so that a heat preservation layer is formed, heat preservation of the valve body is achieved, if the temperature is continuously reduced, the interior of the box body is heated through the heating body at the moment, and the environment temperature around the valve body is increased; and meanwhile, fixed connection of the connecting block and the box body is achieved through linkage cooperation of the insertion rod and the lock hole, in the same way, during disassembly, disassembly of the connecting block and the box body can be achieved only by pulling the insertion rod to enable one end of the insertion rod to be separated from the insertion hole, the operation is very convenient, and the installation effect is stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to check valve field especially relates to a check valve with anti -freezing effect. BACKGROUND

[0002] Check valve is a kind of valve for preventing fluid backflow, usually used in pipeline to ensure that fluid can only flow in one direction, when fluid attempts to flow reversely, check valve will be closed automatically, to prevent backflow phenomenon.

[0003] But the check valve in the prior art in the use process, if in lower temperature environment, often adopt the way of wrapping to keep warm and prevent freezing, to reduce the phenomenon of check valve failure, but such heat preservation mode is easy to bring inconvenience to the use of check valve, and heat preservation effect is poor;

[0004] Meanwhile this kind of heat preservation mode installation is more complex, and installation efficiency is low, and installation effect is difficult to guarantee;

[0005] In view of the above technical defects, a kind of solution is presented. INVENTION CONTENTS

[0006] The utility model is to provide a kind of check valve with anti -freezing effect, to solve the technical defects proposed in background art.

[0007] The utility model of the present application can be realized by the following technical scheme: a kind of check valve with anti -freezing effect, including valve body, valve body bottom fixed installation has heat preservation component, heat preservation component includes box body, connecting block and heating element, box body is fixedly installed on valve body, connecting block is fixedly connected with box body, heating element is fixedly installed in box body;

[0008] Connecting block is provided with liquid storage cavity, connecting block top is fixedly installed with liquid inlet pipe, connecting block is provided with two, two connecting blocks are symmetrically arranged on box body;

[0009] Heat preservation component further includes lock slot and plug rod, connecting block both ends are inserted into lock slot, plug rod is movably installed on box body, lock hole is formed in connecting block, and one end of plug rod is inserted into lock hole.

[0010] Preferably, the box body is fixedly installed with a fixed tube, and the plug rod is movably installed in the fixed tube.

[0011] Preferably, the fixed tube movably installs a reset plate, and the reset plate is fixedly connected with the plug rod.

[0012] Preferably, a spring is fixedly installed on one side of the reset plate, one end of the spring is fixedly connected with the inner wall of the fixed tube, and a pull block is fixedly installed on the end of the plug rod away from the connecting block.

[0013] Preferably, a positioning groove is formed in the top of the box body, and the valve body is located in the positioning groove.

[0014] Preferably, connecting pipes are fixedly installed on both sides of the valve body, and a limiting groove is opened in the connecting block, with the limiting groove fitting against the surface of the connecting pipe.

[0015] The beneficial effects of this utility model are as follows:

[0016] (1) This utility model uses the heating element and the connecting block to fix the box body and the valve body. When the ambient temperature is low, antifreeze is first introduced into the connecting block through the liquid inlet pipe to form a heat insulation layer and achieve heat preservation of the valve body. If the temperature continues to drop, the heating element heats the inside of the box body to conduct heat to the valve body, increase the ambient temperature around the valve body, and thus achieve the antifreeze effect.

[0017] (2) This utility model uses the connection block and the box body together. In actual use, the connection block is suspended on the valve body, the plug rod is pulled at the same time, and the two ends of the connection block are inserted into the lock groove. The plug rod is released and one end of the plug rod is inserted into the lock hole. The connection block and the box body are fixedly connected by the linkage between the plug rod and the lock hole. Similarly, when disassembling, it is only necessary to pull the plug rod to separate one end from the plug hole to disassemble the connection block and the box body. It is very convenient and the installation effect is stable. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings;

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the thermal insulation component in this utility model;

[0021] Figure 3 This is a schematic diagram of the box body in this utility model;

[0022] Figure 4 This is a schematic diagram of the connecting block in this utility model;

[0023] Figure 5 This is a schematic diagram of the insert rod in this utility model.

[0024] Legend: 1. Valve body; 2. Insulation component; 201. Box body; 202. Connecting block; 203. Heating element; 204. Liquid inlet pipe; 205. Locking groove; 206. Insert rod; 207. Locking hole; 208. Fixing pipe; 209. Reset plate; 210. Pull block; 211. Positioning groove; 212. Connecting pipe; 213. Limiting groove. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1: This example addresses the issue that in the use of check valves in the prior art, when in a low-temperature environment, they are often insulated and protected from freezing by wrapping them to reduce the occurrence of check valve failures. However, this insulation method can cause inconvenience to the use of check valves and has poor insulation effect.

[0027] Please see Figure 1 - Figure 3 As shown, this embodiment is a check valve with antifreeze effect, including a valve body 1. A heat insulation component 2 is fixedly installed at the bottom of the valve body 1. The heat insulation component 2 includes a box 201, a connecting block 202 and a heating element 203. The box 201 is fixedly installed on the valve body 1, the connecting block 202 is fixedly connected to the box 201, and the heating element 203 is fixedly installed in the box 201. The type of heating element 203 depends on the actual needs. For example, an electric heating plate with an external power supply can be used, which is the prior art.

[0028] The connecting block 202 is provided with a liquid storage cavity, and the liquid inlet pipe 204 is fixedly installed on the top of the connecting block 202. There are two connecting blocks 202, which are symmetrically arranged on the box body 201. The top of the box body 201 is provided with a positioning groove 211, and the valve body 1 is located in the positioning groove 211. The positioning groove 211 enables the box body 201 to be quickly positioned and installed, further improving the installation efficiency.

[0029] The box 201 and the valve body 1 are fixedly connected by the connecting block 202. When the ambient temperature is low, antifreeze is first introduced into the connecting block 202 through the liquid inlet pipe 204 to form an insulation layer and achieve insulation of the valve body 1. If the temperature continues to drop, the heating element 203 heats the inside of the box 201 to conduct heat to the valve body 1, thereby increasing the ambient temperature around the valve body 1 and achieving the antifreeze effect.

[0030] Example 2: This example is used to solve the problems that existing insulation methods are relatively complicated to install, have low installation efficiency, and have difficulty in guaranteeing installation results.

[0031] Please see Figure 4 - Figure 5As shown, this utility model also includes a locking groove 205 and a plug rod 206. Both ends of the connecting block 202 are inserted into the locking groove 205, and the plug rod 206 is movably installed on the box body 201. A locking hole 207 is provided on the connecting block 202, and one end of the plug rod 206 is inserted into the locking hole 207. A fixing tube 208 is fixedly installed on the box body 201, and the plug rod 206 is movably installed in the fixing tube 208.

[0032] A reset plate 209 is movably installed in the fixed tube 208. The reset plate 209 is fixedly connected to the insertion rod 206. A spring is fixedly installed on one side of the reset plate 209. One end of the spring is fixedly connected to the inner wall of the fixed tube 208. A pull block 210 is fixedly installed on the end of the insertion rod 206 away from the connecting block 202. That is, pulling the pull block 210 will cause the reset plate 209 to move in the fixed tube 208. At this time, the spring is gradually compressed. After the pull block 210 is stopped, the spring force will cause the reset plate 209 to gradually reset, thereby causing the insertion rod 206 to be inserted into the lock hole 207.

[0033] Connecting pipes 212 are fixedly installed on both sides of the valve body 1. A limiting groove 213 is opened in the connecting block 202. The limiting groove 213 fits with the surface of the connecting pipe 212. That is, the connecting block 202 is used to limit and fix the connecting pipe 212 to ensure that the box 201 and the valve body 1 fit tightly together and ensure the subsequent heat preservation effect.

[0034] In actual use, the connecting block 202 is suspended on the valve body 1, and the insert rod 206 is pulled to insert both ends of the connecting block 202 into the locking groove 205. The insert rod 206 is then released, and one end of the insert rod 206 is inserted into the locking hole 207. The linkage between the insert rod 206 and the locking hole 207 achieves a fixed connection between the connecting block 202 and the box body 201. Similarly, when disassembling, it is only necessary to pull the insert rod 206 to separate one end from the insertion hole to disassemble the connecting block 202 and the box body 201. This is very convenient and the installation effect is stable.

[0035] Combining Embodiments 1 and 2, the connecting block 202 is used to fix the box 201 to the valve body 1. When the ambient temperature is low, antifreeze is first introduced into the connecting block 202 through the liquid inlet pipe 204 to form an insulation layer and achieve insulation of the valve body 1. If the temperature continues to drop, the heating element 203 heats the inside of the box 201 to increase the ambient temperature around the valve body 1, thereby achieving the antifreeze effect. At the same time, the linkage between the plug rod 206 and the locking hole 207 is used to fix the connecting block 202 and the box 201. Similarly, when disassembling, it is only necessary to pull the plug rod 206 to separate one end from the plug hole to disassemble the connecting block 202 and the box 201. It is very convenient and the installation effect is stable.

[0036] The working process and principle of this utility model are as follows:

[0037] First, the box 201 and the valve body 1 are fixedly connected by the connecting block 202. When the ambient temperature is low, antifreeze is first introduced into the connecting block 202 through the liquid inlet pipe 204 to form an insulation layer and achieve insulation of the valve body 1. If the temperature continues to drop, the heating element 203 heats the inside of the box 201 to increase the ambient temperature around the valve body 1 and thus achieve the antifreeze effect.

[0038] Furthermore, by utilizing the linkage between the insertion rod 206 and the locking hole 207, the connecting block 202 and the box 201 are fixedly connected. Similarly, when disassembling, it is only necessary to pull the insertion rod 206 to separate one end from the insertion hole, which can disassemble the connecting block 202 and the box 201. This is very convenient and the installation effect is stable.

[0039] In other words, the present invention, through the heat insulation component 2, not only achieves the antifreeze effect but also effectively improves the installation and dismantling efficiency.

[0040] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

[0041] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0042] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A check valve with antifreeze effect, comprising a valve body (1), characterized in that, A heat insulation component (2) is fixedly installed at the bottom of the valve body (1). The heat insulation component (2) includes a box body (201), a connecting block (202), and a heating element (203). The box body (201) is fixedly installed on the valve body (1), the connecting block (202) is fixedly connected to the box body (201), and the heating element (203) is fixedly installed in the box body (201). The connecting block (202) is provided with a liquid storage cavity, and an inlet pipe (204) is fixedly installed on the top of the connecting block (202). There are two connecting blocks (202), and the two connecting blocks (202) are symmetrically arranged on the box body (201). The heat insulation component (2) also includes a locking groove (205) and a plug rod (206). Both ends of the connecting block (202) are inserted into the locking groove (205), and the plug rod (206) is movably installed on the box body (201). The connecting block (202) has a locking hole (207), and one end of the plug rod (206) is inserted into the locking hole (207). A fixing tube (208) is fixedly installed on the box body (201), and the insertion rod (206) is movably installed in the fixing tube (208); a reset plate (209) is movably installed in the fixing tube (208), and the reset plate (209) is fixedly connected to the insertion rod (206); A spring is fixedly installed on one side of the reset plate (209), and one end of the spring is fixedly connected to the inner wall of the fixed tube (208). A pull block (210) is fixedly installed on the end of the plug rod (206) away from the connecting block (202). A positioning groove (211) is opened on the top of the box body (201), and the valve body (1) is located in the positioning groove (211). Connecting tubes (212) are fixedly installed on both sides of the valve body (1), and a limit groove (213) is opened in the connecting block (202). The limit groove (213) is in contact with the surface of the connecting tube (212).

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