Anti-freezing switch controller

Abstract

The utility model relates to the technical field of anti-freezing switches, in particular to an anti-freezing switch controller which comprises a bottom plate, a cover plate and an internally-connected temperature sensing capillary tube, a fixing ring is coaxially and fixedly connected to the position, corresponding to a coping head, of the outer side of the cover plate, a rotating ring is arranged on the side, away from the cover plate, of the fixing ring, and a winding disc is fixedly connected to the end of the rotating ring; the rotating ring is slidably sleeved with a threaded ring used for locking the rotating ring and the fixed ring, an external temperature sensing capillary tube is wound on the winding disc, and a connecting plug used for butt joint of the built-in temperature sensing capillary tube and the butt joint is arranged at the axis position of the rotating ring. The temperature sensing capillary tube is divided into two parts, locking between the fixed ring and the rotating ring is fixed through the threaded ring between the two parts, so that transmission of temperature information is guaranteed, and meanwhile, the rotating ring freely rotates in the fixed ring under the condition that locking is not conducted. And the external temperature sensing capillary tube on the winding disc can be conveniently wound and unwound.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of anti-freezing switches, and particularly to an anti-freezing switch controller. BACKGROUND

[0002] In many industrial, commercial and civil fields, there are a large number of devices and systems that need to operate under different ambient temperature conditions, and low temperature environment often brings many adverse effects. For example, in a heating, ventilation and air conditioning system, when the winter temperature drops sharply, the heat exchanger, water pipeline and other components of the air conditioning unit located outdoors are prone to icing. Once icing occurs, the water pipe may be broken due to the expansion of ice, causing internal water leakage, damaging the equipment and possibly causing water flooding and other safety accidents; icing on the surface of the heat exchanger can seriously affect its heat exchange efficiency, making the entire air conditioning system unable to supply heat or cool normally, affecting the comfort of the indoor environment.

[0003] Similarly, in some cooling circulating water systems in industrial production, icing at parts such as pipes and water tanks in low temperature weather can hinder water circulation, causing equipment operation failure, and even possibly causing the production process to be forced to stop, causing huge economic losses to enterprises. In addition, if there is no effective anti-freezing measure for a fire sprinkler system in cold regions, the icing of water in the pipeline can cause the sprinkler head to malfunction, and the water cannot be sprayed in time to extinguish the fire in an emergency such as a fire, endangering life and property safety.

[0004] The temperature sensing capillary of the existing anti-freezing switch controller is mostly directly fixed inside the control switch, and the excess part is arranged outside the switch, simply wound and directly hung outside. This can cause the connection to break, causing the switch to fail. In addition, the temperature sensing capillary hung outside can cause inconvenience in layout, and the spread-out temperature sensing capillary is not easy to handle. Therefore, to solve the above problems, the present application provides an anti-freezing switch controller. CONTENT OF THE INVENTION

[0005] In order to solve the above problems, the present application provides an anti-freezing switch controller.

[0006] The application provides an anti-freezing switch controller, which comprises a bottom plate, a built-in switch element on the bottom plate and a cover plate arranged above the bottom plate and used for protecting the built-in switch element, a controller built in the bottom plate is connected with an inner thermosensitive capillary tube, the thermosensitive capillary tube extends to the outside through the cover plate and forms a connector, a fixed ring is coaxially and fixedly connected to the cover plate at a position corresponding to the connector, a rotating ring is arranged on the side of the fixed ring away from the cover plate, a winding reel is fixedly connected to the end of the rotating ring, a threaded ring used for locking the rotating ring and the fixed ring is sleeved on the rotating ring, an outer thermosensitive capillary tube is wound on the winding reel, one end of the outer thermosensitive capillary tube is an inner thermosensitive capillary tube built in the rotating ring, and a plug connector used for connecting the inner thermosensitive capillary tube and the connector is arranged at the axial position of the rotating ring.

[0007] By dividing the thermosensitive capillary tube into two parts, the locking of the rotating ring and the fixed ring is completed by the threaded ring, so that the transmission of temperature information is ensured, and the outer thermosensitive capillary tube on the winding reel can be conveniently wound and unwound, thereby improving the convenience of the capillary tube arrangement.

[0008] Preferably, a groove is arranged in the inner side of the fixed ring, and an outer convex section is arranged at the end of the rotating ring close to the fixed ring, and the outer convex section is embedded in the groove.

[0009] Preferably, a convex ring is arranged on the outer wall of the rotating ring, and a stage section that is buckled with the convex ring is arranged at one end of the threaded ring.

[0010] Preferably, the threaded ring is threadedly connected with the outer wall of the fixed ring.

[0011] Preferably, a clamping groove is arranged on the winding reel, and the clamping groove is used for clamping the outer thermosensitive capillary tube.

[0012] Preferably, a rotating handle is arranged at an eccentric position on the winding reel.

[0013] In summary, the application has the following beneficial technical effects:

[0014] By dividing the thermosensitive capillary tube into two parts, the locking of the rotating ring and the fixed ring is completed by the threaded ring, so that the transmission of temperature information is ensured, and the outer thermosensitive capillary tube on the winding reel can be conveniently wound and unwound, thereby improving the convenience of the capillary tube arrangement. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is an isometric view in the embodiment one of the application;

[0016] Figure 2is a partial exploded view in the embodiment one of the present application;

[0017] Figure 3 is a partial cross-sectional view in the embodiment one of the present application;

[0018] Figure 4 is an isometric view of the winding disc in the embodiment one of the present application;

[0019] Figure 5 is an exploded view of the winding disc in the embodiment one of the present application.

[0020] Explanation of reference numerals: 1, base plate; 2, cover plate; 22, internally connected temperature-sensitive capillary tube; 31, fixed ring; 311, groove; 312, butt joint; 32, rotating ring; 321, protruding ring; 33, winding disc; 331, clamping groove; 34, rotating handle; 35, threaded ring; 351, stage; 36, plug-in joint; 37, externally connected temperature-sensitive capillary tube; 371, internally built-in temperature-sensitive capillary tube. DETAILED DESCRIPTION

[0021] The following will be described in detail in combination with the accompanying drawings. Figure 1 - Figure 5 The present application will be further described in detail.

[0022] Embodiment one:

[0023] A freeze-proof switch controller, referring to Figure 1 - Figure 5 , the internally built-in switch element on the base plate 1 and the cover plate 2 arranged above the base plate 1 for protecting the internally built-in switch element, the controller built-in in the base plate 1 is connected with the internally connected temperature-sensitive capillary tube 22, and the temperature-sensitive capillary tube extends to the outside through the cover plate 2 to form a butt joint 312, the fixed ring 31 is coaxially fixedly connected at the position corresponding to the butt joint 312 on the outside of the cover plate 2, the rotating ring 32 is arranged on the side of the fixed ring 31 away from the cover plate 2, and the end of the rotating ring 32 is fixedly connected with the winding disc 33, the threaded ring 35 for locking between the rotating ring 32 and the fixed ring 31 is sleeved on the rotating ring 32, the externally connected temperature-sensitive capillary tube 37 is wound on the winding disc 33, one end of the externally connected temperature-sensitive capillary tube 37 is the internally built-in temperature-sensitive capillary tube 371 in the rotating ring 32, and the plug-in joint 36 for butt joint of the internally built-in temperature-sensitive capillary tube 371 and the butt joint 312 is arranged at the axial position of the rotating ring 32. The clamping groove 331 is arranged on the winding disc 33, and the clamping groove 331 is used for clamping the externally connected temperature-sensitive capillary tube 37. The rotating handle 34 is arranged at the eccentric position of the winding disc 33.

[0024] The inner side of the fixed ring 31 is provided with a groove 311, and the end of the rotating ring 32 close to the fixed ring 31 is designed with an outer convex section which is slidingly embedded in the groove 311. The fixed ring 31 and the rotating ring 32 are coaxially rotated through the cooperation of the groove 311 and the outer convex section. The gap of the groove 311 is larger than the width of the outer convex section, so that a certain gap can be formed between the two, facilitating the rotation of the rotating ring 32. The outer wall of the rotating ring 32 is provided with a convex ring 321, and the end of the threaded ring 35 slidingly sleeved on the convex ring 321 is provided with a stage 351 which is buckled with the convex ring 321. There is an overlapping range between the stage 351 of the threaded ring 35 and the convex ring 321 in the front view, so that when the threaded ring 35 moves to the side of the fixed ring 31, the rotating ring 32 can be pulled to move to the side of the fixed ring 31, thereby realizing the stable butt joint between the plug connector 36 and the butt joint 312. The threaded ring 35 and the outer wall of the fixed ring 31 are threadedly connected.

[0025] The above describes an exemplary embodiment of the anti-freezing switch controller provided by the present disclosure with reference to the preferred embodiment, however, those skilled in the art can understand that various modifications and changes can be made to the above specific embodiment without departing from the concept of the present disclosure, and various technical features and structures proposed by the present disclosure can be combined without exceeding the protection scope of the present disclosure, and the protection scope of the present disclosure is determined by the appended claims.

Claims

1. An antifreeze switch controller, comprising a base plate (1), a built-in switch element on the base plate (1), and a cover plate (2) disposed above the base plate (1) to protect the built-in switch element, wherein the controller built into the base plate (1) is connected to an internal temperature-sensing capillary tube (22), and the temperature-sensing capillary tube extends through the cover plate (2) to the outside to form a connector (312), characterized in that: A fixing ring (31) is coaxially fixedly connected to the outer side of the cover plate (2) at the position of the connector (312). A rotating ring (32) is provided on the side of the fixing ring (31) away from the cover plate (2), and a winding reel (33) is fixedly connected to the end of the rotating ring (32). A threaded ring (35) for locking between the rotating ring (32) and the fixing ring (31) is slidably sleeved on the rotating ring (32). An external temperature-sensing capillary (37) is wound on the winding reel (33). One end of the external temperature-sensing capillary (37) is a built-in temperature-sensing capillary (371) built into the rotating ring (32). A plug (36) for docking the built-in temperature-sensing capillary (371) and the connector (312) is provided at the axis position of the rotating ring (32).

2. The switch controller according to claim 1, characterized in that: The inner side of the fixed ring (31) is provided with a groove (311), and the end of the rotating ring (32) near the fixed ring (31) is designed with an outward protrusion, which is slidably embedded in the groove (311).

3. The switch controller according to claim 1, characterized in that: The outer wall of the rotating ring (32) is provided with a convex ring (321), and the threaded ring (35) is provided with a step (351) at one end of the sliding sleeve thereon, which engages with the convex ring (321).

4. The switch controller according to claim 1, characterized in that: The threaded ring (35) and the outer wall of the fixed ring (31) are threaded together.

5. The switch controller according to claim 1, characterized in that: The winding reel (33) has a slot (331) for engaging an external temperature-sensing capillary tube (37).

6. The switch controller according to claim 1, characterized in that: A throttle (34) is provided at an eccentric position on the winding reel (33).

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