CN210688832U

CN210688832U - Be applied to water chilling unit's structure of preventing frostbite

Info

Publication number: CN210688832U
Application number: CN201921755321.7U
Authority: CN
Inventors: 任江鹏; 李子辉; 张海龙; 李峥; 张强; 李德明; 马志广
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-05
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses an anti-freezing structure applied to a water chilling unit, which belongs to the anti-freezing technical field of the water chilling unit, and comprises a temperature sensing component fixed at the lower end of a pipeline, wherein the temperature sensing component comprises a shell and a piston, the piston is connected with the inner wall of the shell in a sliding way, a temperature sensing material is filled between the piston and the side wall of the shell, the lower end of the pipeline is fixedly connected with a drain pipe, a valve is connected on the drain pipe, a connecting rod is fixedly connected between the piston and the valve, and an extension spring is fixedly connected between the connecting rod and the drain pipe, the target sheet arranged in the utility model can transmit the power of the target sheet to the connecting rod without passing through the pipe wall of the pipeline, because the clearance between the stay cord and the fixed frame is extremely small and can be ignored and the function of a sealing ring is added, water can not flow out, thereby being not easy to cause the water leakage phenomenon of the pipeline.

Description

Be applied to water chilling unit's structure of preventing frostbite

Technical Field

The utility model relates to a water chilling unit's anti-freezing technical field, more specifically say, relate to a be applied to water chilling unit's anti-freezing structure.

Background

The water chilling unit mainly includes: the compressor, the heat exchanger, the water pump, the water tank and the like are communicated through pipelines; when the chiller is in operation, water circulates through the pipeline, and when the chiller is out of operation and the ambient temperature is low, e.g., below 0 degrees, there is a risk that the water will freeze.

For the method for preventing water from freezing, when the water chilling unit stops running, the water pump can work normally to maintain the circulation of water, or when the environmental temperature is lower, the water chilling unit is in a heating mode regularly or irregularly, and the water can be prevented from freezing.

In the method, the water chilling unit needs to be powered on, but when the water chilling unit does not need to be used, some users can cut off a power switch of the water chilling unit for power saving, or power failure is caused when a power supply grid has a problem, at the moment, a water pump or the water chilling unit cannot operate, the method cannot be adopted to prevent water from freezing, under the condition that water in a pipeline is not discharged in time, the pipeline is possibly frozen and damaged due to water freezing, water can be mixed among different pipelines in the water chilling unit, and the whole water chilling unit cannot normally operate.

Known chinese patent discloses the utility model patent of patent name "be applied to frostproofing structure and the cooling water set of cooling water set", its application number is CN201820431567.8, is applied to frostproofing structure and the cooling water set of cooling water set, include: the temperature sensing element comprises a shell and a piston, wherein the piston is in sliding contact with the inner side wall surface of the shell, and a sealed space formed by the piston and the inner side wall surface of the shell is filled with a thermal expansion and cold contraction temperature sensing material; the flow conducting element comprises a flow sensing part and a pressure conducting part, the flow sensing part is arranged in a pipeline of the water chilling unit, the pressure conducting part is arranged outside the pipeline, and when no water flow exists in the pipeline of the water chilling unit, the flow sensing part drives the pressure conducting part to move towards the direction far away from a valve in the pipeline; transmission element, its one end is connected with piston and pressure conduction portion respectively, and the other end is connected with the valve in the pipeline, and this patent compares with prior art, and the beneficial effect is: the anti-freezing structure is a mechanical structure, does not need a power supply, can prevent water in the pipeline from freezing at a lower temperature, and avoids the pipeline from being frozen and damaged due to freezing of the water.

The specification of the above application CN201820431567.8, which is applied to the anti-freezing structure of the water chilling unit and the water chilling unit, describes: the target sheet at least partially extends into the pipeline, the target sheet may be partially positioned outside the pipeline, so that the target sheet can penetrate through the pipe wall of the pipeline, in order to prevent water in the pipeline from leaking out through the position where the target sheet is contacted with the pipe wall, the sectional area of the part where the target sheet is contacted with the pipe wall is smaller, namely smaller than the part where the target sheet is positioned in the pipeline, and the peripheral position where the target sheet is contacted with the pipe wall can be made of plastic materials to realize the sealing effect, even if the position of the target sheet is changed, the plastic materials are automatically sealed after the target sheet passes through due to deformation, and water cannot flow out; because of the target plate needs to satisfy and removes this function along the pipe wall, even adopt the plastic material that can deform, nevertheless at the removal in-process, the target plate translation rate is very fast, and the material is proclaimed oneself speed slower, and can't guarantee to proclaim oneself the effect, and water in the pipeline still flows along target plate and pipe wall clearance easily to cause the pipeline condition of leaking.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a be applied to water chilling unit's anti-freezing structure, it can realize the power transmission with the target piece for the connecting rod through setting up of stay cord and fixed frame, need not to pass the pipe wall of pipeline, because of the clearance between stay cord and the fixed frame is minimum, can neglect, including the effect of sealing washer, at the target piece removal in-process, water can not follow the play of stay cord and fixed frame and flow to difficult pipeline phenomenon of leaking that takes place.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An anti-freezing structure applied to a water chilling unit comprises a temperature sensing assembly fixed at the lower end of a pipeline, wherein the temperature sensing assembly comprises a shell and a piston, the piston is in sliding connection with the inner wall of the shell, a temperature sensing material is filled between the piston and the side wall of the shell, the lower end of the pipeline is fixedly connected with a drain pipe, a valve is connected onto the drain pipe, a connecting rod is fixedly connected between the piston and the valve, an extension spring is fixedly connected between the connecting rod and the drain pipe, a fixing frame is arranged between the drain pipe and the shell, the fixing frame penetrates through the pipe wall of the pipeline and is fixedly connected with the pipeline, a target sheet is slidably connected to the inner wall of the pipeline, a compression spring is fixedly connected between the target sheet and the fixing frame, a pull rope is fixedly connected between the target sheet and the connecting rod, thread holes are respectively, the line hole inner wall fixedly connected with sealing washer, the utility model discloses in the target piece that sets up need not to pass the pipe wall of pipeline, can realize through the setting of stay cord and fixed frame that the power transmission with the target piece gives the connecting rod, because of the clearance between stay cord and the fixed frame is minimum, can neglect, including the effect of sealing washer, at the target piece removal in-process, water can not flow out from the clearance of stay cord and fixed frame to difficult pipeline phenomenon of leaking that takes place.

Furthermore, the inside fixedly connected with sealing material of fixed frame, the stay cord run through inside the sealing material and with sealing material sliding connection, can further strengthen the leakproofness between stay cord and the fixed frame through the sealing material to realize the at utmost and avoid stay cord department water leakage phenomenon.

Furthermore, the equal fixedly connected with slider of a pair of side of target piece, slider sliding connection are on the inner wall of pipeline, the inner wall fixedly connected with of pipeline is a pair of L type limiting plate, and is a pair of slider sliding connection is in the inboard of a pair of L type limiting plate respectively, realizes the stable removal of target piece through slider and L type limiting plate.

Furthermore, the sealing material is made of waterproof rubber materials and has the characteristics of high waterproofness, high elasticity, high sealing performance and the like.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the target piece that sets up in this scheme need not to pass the pipe wall of pipeline, can realize transmitting the power of target piece for the connecting rod through the setting of stay cord and fixed frame, because of the clearance between stay cord and the fixed frame is minimum, can neglect, including the effect of sealing washer, at the target piece removal in-process, water can not flow out from the clearance of stay cord and fixed frame to the difficult pipeline phenomenon of leaking that takes place.

(2) The inside fixedly connected with sealing material of fixed frame, the stay cord run through inside and with sealing material sliding connection of sealing material, can further strengthen the leakproofness between stay cord and the fixed frame through sealing material to realize the at utmost and avoid stay cord department water leakage phenomenon.

(3) The equal fixedly connected with slider of a pair of side end of target piece, slider sliding connection are on the inner wall of pipeline, and a pair of L type limiting plate of inner wall fixedly connected with of pipeline, a pair of slider difference sliding connection are in the inboard of a pair of L type limiting plate, realize the stable removal of target piece through slider and L type limiting plate.

(4) The sealing material is made of waterproof rubber material, and has the characteristics of high waterproofness, high elasticity, high sealing property and the like.

Drawings

FIG. 1 is a schematic view of the front structure of the present invention in water flow;

FIG. 2 is a schematic view of the front structure of the present invention when there is no water flow and the water temperature is lower than the preset temperature;

fig. 3 is a schematic front structural view of the fixing frame of the present invention;

fig. 4 is a schematic side view of the slider according to the present invention.

The reference numbers in the figures illustrate:

1 pipeline, 2 drain pipes, 31 shell, 32 piston, 33 temperature sensing material, 4 valves, 5 connecting rods, 6 extension springs, 7 pull ropes, 8 target sheets, 9 fixing frames, 10 compression springs, 11 sealing materials, 12 sliding blocks and 13L-shaped limiting plates.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, an anti-freezing structure for a water chilling unit includes a temperature sensing assembly fixed at a lower end of a pipeline 1, the temperature sensing assembly includes a housing 31 and a piston 32, the piston 32 is slidably connected to an inner wall of the housing 31, a temperature sensing material 33 is filled between the piston 32 and a side wall of the housing 31, the temperature sensing material 33 is used for sensing a temperature of water flowing in the pipeline 1 and the pipeline 1, the temperature sensing material 33 is a material that expands with heat and contracts with temperature, and has a characteristic of changing with temperature, when the temperature is high, the volume of the temperature sensing material is increased, when the temperature is low, the volume of the temperature sensing material 33 is decreased, when the volume of the temperature sensing material 33 changes, a pressure in a closed space formed by the housing 31 and the piston 32 also changes, so as to drive the piston 32 to move, a drain pipe 2 is fixedly connected to a lower end.

Please refer to fig. 2, a connecting rod 5 is fixedly connected between the piston 32 and the valve 4, a tension spring 6 is fixedly connected between the connecting rod 5 and the drain pipe 2, a fixing frame 9 is arranged between the drain pipe 2 and the casing 31, referring to fig. 3, the fixing frame 9 penetrates through the pipe wall of the pipeline 1 and is fixedly connected with the pipeline 1, the inner wall of the pipeline 1 is slidably connected with a target sheet 8, a compression spring 10 is fixedly connected between the target sheet 8 and the fixing frame 9, a pull rope 7 is fixedly connected between the target sheet 8 and the connecting rod 5, the upper end and the lower end of the fixing frame 9 are both provided with a hole, the pull rope 7 penetrates through a pair of holes and is slidably connected with the.

Referring to fig. 3, a sealing material 11 is fixedly connected inside the fixing frame 9, the pull rope 7 penetrates through the sealing material 11 and is slidably connected with the sealing material 11, the sealing material 11 is made of waterproof rubber material, and has the characteristics of high water resistance, high elasticity, high sealing performance and the like, and the sealing performance between the pull rope 7 and the fixing frame 9 can be further enhanced through the sealing material 11, so that the water leakage phenomenon at the position of the pull rope 7 can be avoided to the greatest extent.

Referring to fig. 4, a pair of side ends of the target 8 are fixedly connected with sliders 12, the sliders 12 are slidably connected to an inner wall of the pipeline 1, the inner wall of the pipeline 1 is fixedly connected with a pair of L-shaped limiting plates 13, the sliders 12 are respectively slidably connected to inner sides of the L-shaped limiting plates 13, and the target 8 is stably moved through the sliders 12 and the L-shaped limiting plates 13.

The utility model discloses the target piece 8 that well set up need not to pass the pipe wall of pipeline 1, can realize through the setting of stay cord 7 and fixed frame 9 that the power transmission with target piece 8 gives connecting rod 5, because of the clearance between stay cord 7 and the fixed frame 9 is minimum, can neglect, including the effect of sealing washer, sealing material 11, at target piece 8 removal in-process, water can not flow from the clearance of stay cord 7 and fixed frame 9 to difficult pipeline 1 phenomenon of leaking that takes place.

When the water chilling unit operates, water in the pipeline 1 is in a flowing state, the water flow applies pressure to the target sheet 8 along the water flow direction, the target sheet 8 moves to the position shown in figure 1, the compression spring 10 is in a compressed state, and the valve is in a pipe wall state.

When the water chilling unit stops running, when no water flow exists in the pipeline 1, no pressure is applied to the target sheet 8, the compression spring 10 recovers the original state, the target sheet 8 moves to the position shown in fig. 2, meanwhile, when the temperature sensing material 33 senses that the ambient temperature is lower than the preset temperature and is generally 0 degrees, cold contraction can occur, the size is reduced, the piston 32 is driven to move to the position shown in fig. 2, under the simultaneous action of the piston 32 and the target sheet 8, the connecting rod 5 is driven to be away from the water discharge pipe 2, the extension spring 6 extends, the valve 4 is opened, and water in the pipeline 1 is discharged through the water discharge pipe 2.

When the condition that no water flow exists in the pipeline 1 is not met, or the condition that the ambient temperature is lower than the preset temperature is not met, the valve cannot be opened, and only when the two conditions are met simultaneously, the sum of the elastic force of the compression spring 10 and the air pressure of the deformed temperature sensing material 33 is greater than the elastic force of the extension spring 6, the valve can be opened, namely: when one of the two conditions is not satisfied, the connecting rod 5 approaches the water discharge pipe 2 under the elastic force of the extension spring 6, and the valve 4 is closed.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a be applied to antifreeze structure of cooling water set, is including fixing the temperature sensing subassembly at pipeline (1) lower extreme, the temperature sensing subassembly includes casing (31) and piston (32), piston (32) and casing (31) inner wall sliding connection, it has temperature sensing material (33) to fill between piston (32) and casing (31) lateral wall, the lower extreme fixedly connected with drain pipe (2) of pipeline (1), be connected with valve (4), its characterized in that on drain pipe (2): fixedly connected with connecting rod (5) between piston (32) and valve (4), fixedly connected with extension spring (6) between connecting rod (5) and drain pipe (2), be equipped with fixed frame (9) between drain pipe (2) and casing (31), fixed frame (9) run through the pipe wall of pipeline (1) and with pipeline (1) fixed connection, the inner wall sliding connection of pipeline (1) has target piece (8), fixedly connected with compression spring (10) between target piece (8) and fixed frame (9), fixedly connected with stay cord (7) between target piece (8) and connecting rod (5), the upper and lower both ends of fixed frame (9) are all opened the chisel and are had the line hole, stay cord (7) run through a pair of line hole and with the inside sliding connection of line hole, line hole inner wall fixedly connected with sealing washer.

2. The anti-freezing structure applied to the water chilling unit according to claim 1, wherein: the inside of the fixed frame (9) is fixedly connected with a sealing material (11), and the pull rope (7) penetrates through the inside of the sealing material (11) and is connected with the sealing material (11) in a sliding mode.

3. The anti-freezing structure applied to the water chilling unit according to claim 1, wherein: the equal fixedly connected with slider (12) of a pair of side of target piece (8), slider (12) sliding connection is on the inner wall of pipeline (1), the inner wall fixedly connected with of pipeline (1) is a pair of L type limiting plate (13), and is a pair of slider (12) sliding connection is inboard in a pair of L type limiting plate (13) respectively.

4. The anti-freezing structure applied to the water chilling unit according to claim 2, wherein: the sealing material (11) is made of waterproof rubber materials.