Joint and vehicle

Abstract

The utility model relates to a connector and a vehicle. The joint connects a discharge port for discharging the cooling medium from the radiator and a pipe for causing the cooling medium to flow downstream, and has a gas-liquid separation function. A joint for performing gas-liquid separation of a cooling medium by causing the cooling medium discharged from a cooling medium discharge port of a heat sink to flow downstream, the heat sink exchanging heat between the cooling medium and outside air, the joint being provided with: a first connection port connected to the cooling medium discharge port; a second connection port to which a pipe through which the cooling medium flows downstream is connected; and an air discharge port for discharging the air separated from the cooling medium. The center of the second connection port is located below the center of the first connection port. The connector is provided with: a first tubular part in which a first connection port is formed; the second tubular part is provided with a second connecting port; and a connection part that connects the first tubular part and the second tubular part such that the axis of the first connection port and the axis of the second connection port form an angle of at least 1 degree with each other.

Description

Technical Field

[0001] The utility model relates to a joint, in particular to a joint for connecting a discharge port for discharging a cooling medium from a radiator and a pipe for making the cooling medium flow toward the downstream side. Background Art

[0002] In recent years, in order to ensure that more people have access to affordable, reliable, sustainable and advanced energy, research and development that contributes to energy efficiency is being conducted. Here, with respect to a radiator that cools a cooling medium by exchanging heat between the cooling medium and the outside air, if air is mixed into the cooling medium, air accumulation may occur or the desired ejection pressure may not be obtained, resulting in a decrease in cooling efficiency. To address this problem, it may be considered to give a gas-liquid separation function to the joint that connects the cooling medium discharge port provided on the radiator and the pipe that allows the cooling medium to flow to the downstream side.

[0003] Patent Document 1 discloses an L-shaped joint that can be interposed in the flow path of various liquids. The joint is configured such that the tubular portion on the inlet side and the tubular portion on the outlet side form a 90-degree angle, and the flow path having a circular cross section changes direction by 90 degrees inside the joint.

[0004] Prior art patent document 1: International Publication No. 2023 / 161849 Utility Model Content

[0005] [Problems to be solved by the utility model]

[0006] However, since the joint disclosed in Patent Document 1 is constructed so that the axis of the flow path on the inlet side intersects with the axis of the flow path on the outlet side at 90 degrees, there is a problem that the inner wall portion that the cooling medium collides with when the cooling medium flows is small, and it is difficult to provide a gas-liquid separation function of discharging the air separated from the cooling medium to the outside.

[0007] The purpose of this proposal is to provide a gas-liquid separation function to the joint connecting the cooling medium discharge port of the radiator and the pipe for flowing the cooling medium to the downstream side, so as to solve the above-mentioned problem and further contribute to the improvement of energy efficiency.

[0008] [Technical means to solve the problem]

[0009] In order to achieve the aforementioned purpose, the first feature of the utility model is a joint that allows the cooling medium discharged from the cooling medium discharge port of the radiator to flow to the downstream side and performs gas-liquid separation of the aforementioned cooling medium. The radiator performs heat exchange between the aforementioned cooling medium and external air, and the joint comprises: a first connection port, which is connected to the aforementioned cooling medium discharge port; a second connection port, which is connected to a pipe that allows the aforementioned cooling medium to flow to the downstream side; and an air discharge port, which discharges the air separated from the aforementioned cooling medium; the center of the aforementioned second connection port is located below the center of the aforementioned first connection port.

[0010] In addition, the second feature is that it comprises: a first tubular portion, forming the aforementioned first connection port; a second tubular portion, forming the aforementioned second connection port; and a connecting portion, connecting the aforementioned first tubular portion and the aforementioned second tubular portion in a manner that the axis of the aforementioned first connection port and the axis of the aforementioned second connection port form an angle of more than 1 degree with each other; the aforementioned air exhaust port is arranged in the upper part of the aforementioned connecting portion.

[0011] In addition, a third feature is that an inner diameter of the first connection port is larger than an inner diameter of the second connection port.

[0012] In addition, a fourth feature is that a lower end of the first connection port and a lower end of the second connection port are located at the same height.

[0013] Furthermore, a fifth feature is a vehicle having a joint, wherein the joint allows the cooling medium discharged from the cooling medium discharge port (12) of the radiator to flow to the downstream side and performs gas-liquid separation of the aforementioned cooling medium, wherein the radiator performs heat exchange between the aforementioned cooling medium and air, and the aforementioned joint comprises: a first connection port connected to the aforementioned cooling medium discharge port; and a second connection port connected to a pipe that allows the aforementioned cooling medium to flow to the downstream side; the center of the aforementioned second connection port is located below the center of the aforementioned first connection port.

[0014] (Effect of utility model)

[0015] According to the first feature, in the joint, the cooling medium discharged from the cooling medium outlet of the radiator flows to the downstream side, and the gas-liquid separation of the cooling medium is performed. The radiator performs heat exchange between the cooling medium and the outside air, and the joint has: a first connection port connected to the cooling medium outlet; a second connection port connected to a pipe that allows the cooling medium to flow to the downstream side; and an air outlet that discharges the air separated from the cooling medium; the center of the second connection port is located below the center of the first connection port, so that the centers of the two connection ports are staggered up and down, forming an inner wall portion that the cooling medium collides with when flowing, and the collision of the cooling medium with the inner wall portion promotes the separation of air, so that the gas-liquid separation can be performed efficiently. As a result, the occurrence of air accumulation and the decrease in the ejection pressure can be prevented, and the cooling efficiency of the radiator can be maintained at a high state.

[0016] According to the second feature, it comprises: a first tubular portion, which is formed with the first connection port; a second tubular portion, which is formed with the second connection port; and a connecting portion, which connects the first tubular portion and the second tubular portion in a manner that the axis of the first connection port and the axis of the second connection port form an angle of more than 1 degree with each other; the air discharge port is arranged at the upper part of the connecting portion, so that the cooling medium flowing to the downstream side is more likely to collide with the inner wall portion of the joint due to the first connection port and the second connection port being connected at a predetermined angle. As a result, the force of pushing the gas separated from the cooling medium upward becomes larger, thereby improving the efficiency of gas-liquid separation.

[0017] According to the third feature, the inner diameter of the first connection port is larger than the inner diameter of the second connection port, so that the efficiency of gas-liquid separation can be further improved by reducing the diameter of the flow path of the cooling medium in the connection portion.

[0018] According to the fourth feature, the lower end of the first connection port and the lower end of the second connection port are located at the same height, so that the pressure loss caused by reducing the diameter of the flow path of the cooling medium in the connection portion can be reduced.

[0019] According to the fifth feature, a vehicle is provided with a joint, which allows the cooling medium discharged from the cooling medium outlet (12) of the radiator to flow to the downstream side and performs gas-liquid separation of the cooling medium, wherein the radiator performs heat exchange between the cooling medium and the air, and the joint comprises: a first connection port connected to the cooling medium outlet; and a second connection port connected to a pipe that allows the cooling medium to flow to the downstream side; the center of the second connection port is located below the center of the first connection port, so that the center points of the two connection ports in the joint are staggered up and down, thereby forming an inner wall portion that collides with the cooling medium when it flows, and the cooling medium collides with the inner wall portion, so that gas-liquid separation can be performed efficiently. As a result, the cooling efficiency of the radiator provided in the vehicle can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a perspective view of a power unit room of a vehicle according to one embodiment of the present invention.

[0021] Figure 2 It is a perspective view showing a state where the joint according to the present embodiment is mounted on a heat sink.

[0022] Figure 3 It is a three-dimensional diagram of the joint.

[0023] Figure 4 is a cross-sectional view of the joint.

[0024] Figure 5 It is a cross-sectional view showing a state where the joint 30 is mounted on the heat sink 11 .

[0025] Figure 6 It is a perspective view of the joint showing the shape of the flow path.

[0026] Reference numerals

[0027] 1: vehicle, 2: hose (tube), 11: radiator, 12: cooling medium outlet, 30: joint, 31: first tubular portion, 32: second tubular portion, 33: connecting portion, 40: air outlet, 41: first connection port, 42: second connection port, L1: axis of the first connection port, L2: axis of the second connection port, B1: lower end of the first connection port, B2: lower end of the second connection port, C1: center of the first connection port, C2: center of the second connection port, φ1: inner diameter of the first connection port, φ2: inner diameter of the second connection port, W: cooling medium, A: air. DETAILED DESCRIPTION

[0028] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Figure 1 1 is a perspective view of a power unit chamber 20 of a vehicle 1 according to an embodiment of the present invention. Figure 2 1 is a perspective view showing a state where the joint 30 of the present embodiment is installed on the radiator 11. The radiator 11, which cools the cooling medium by exchanging heat between the cooling medium and the outside air, is arranged in a front position in a power unit chamber 20 of a four-wheeled vehicle or the like having a vehicle chamber, that is, a vehicle 1, in order to actively receive the traveling wind. The radiator 11 is supported on a vehicle body frame 6 constituting the power unit chamber 20. A hook mechanism 9 is installed on the vehicle body frame 6, and the hook mechanism 9 keeps the engine cover (not shown) in a closed state.

[0029] The joint 30 is connected to the cooling medium discharge port 12, which is vertically arranged at the upper right position of the radiator 11 toward the rear. The joint 30 connects the cooling medium discharge port 12 of the radiator 11 to the hose 2 that allows the cooling medium to flow to the downstream side, and has a gas-liquid separation function of separating air from the cooling medium. A second hose 10 is connected to the upper part of the joint 30, and the second hose 10 sends the cooling medium containing a large amount of air separated from the cooling medium to the storage tank 7. The hose as a pipe can be made of various raw materials such as rubber or metal.

[0030] The joint 30 includes a first tubular portion 31 connected to the cooling medium discharge port 12, a second tubular portion 32 connected to the hose 2, and a connecting portion 33 connecting the first tubular portion 31 and the second tubular portion 32. A cylindrical degassing pipe 34 connected to the second hose 10 is provided on the upper portion of the connecting portion 33. In addition, a quick locking mechanism is provided on the first tubular portion 31, which is locked by engaging a locking pin 37 by being pressed into the cooling medium discharge port 12 until a predetermined position.

[0031] Figure 3 is a perspective view of the joint 30. In addition, Figure 4 30 is a cross-sectional view of the joint 30. The same symbols as above represent the same or equivalent parts. Figure 4, the joint 30 is shown cut along a plane passing through an axis L2 and an axis L3, wherein the axis L2 is the axis of the second connection port 42 provided in the second tubular portion 32, and the axis L3 is the axis of the air outlet 40 provided in the degassing pipe 34. The joint 30, which is an integral part made of hard synthetic resin or the like, includes a first tubular portion 31 having a first connection port 41, a second tubular portion 32 having a second connection port 42, and a connecting portion 33 connecting the first tubular portion 31 and the second tubular portion 32. The cooling medium W introduced from the first connection port 41 changes its direction by 90 degrees inside the connecting portion 33 and is ejected from the second connection port 42. The air A separated from the cooling medium is discharged upward from the air outlet 40 formed in the degassing pipe 34 extending upward from the connecting portion 33. In the present embodiment, the axis L1 of the first connection port 41 and the axis L2 of the second connection port 42 are configured to form a 90-degree angle.

[0032] The joint 30 of this embodiment is characterized in that the center C2 of the second connection port 42 is located below the center C1 of the first connection port 41. As a result, the centers of the two connection ports are vertically offset, forming an inner wall portion 35 (see FIG. 1 ) against which the cooling medium W collides when flowing. Figure 5 ,6), and the separation of air A is promoted by the collision of the cooling medium with the inner wall portion 35, so that gas-liquid separation can be performed efficiently. As a result, the occurrence of air accumulation and the decrease of the ejection pressure can be prevented, and the cooling efficiency of the radiator 11 can be maintained at a high state.

[0033] In addition, the invention is characterized in that: a connecting portion 33 is provided, in which the first tubular portion 31 is connected to the second tubular portion 32 in such a manner that the axis L1 of the first connection port 41 and the axis L2 of the second tubular portion 32 form an angle of more than 1 degree with each other; and the air outlet 40 is provided at the upper part of the connecting portion 33. Thus, since the first connection port 41 and the second connection port 42 are connected at a predetermined angle, the cooling medium flowing toward the downstream side is more likely to collide with the inner wall portion 35 of the joint. Thus, the force of pushing the air A separated from the cooling medium upward is increased, so that the efficiency of gas-liquid separation can be improved. In addition, the angle formed by the axis L1 of the first connection port 31 and the axis L2 of the second connection port 32 is not limited to 90 degrees in the present embodiment, and can be set between 90 degrees and 135 degrees.

[0034] In addition, in the present embodiment, the inner diameter φ1 of the first connection port 41 is larger than the inner diameter φ2 of the second connection port 42 . Therefore, by reducing the diameter of the flow path of the cooling medium in the connection portion 33 , the efficiency of gas-liquid separation can be further improved.

[0035] Furthermore, in the present embodiment, the lower end B1 of the first connection port 41 and the lower end B2 of the second connection port 42 are located at the same height, so that the pressure loss caused by reducing the diameter of the flow path of the cooling medium in the connection portion 33 can be reduced.

[0036] Figure 5 1 is a cross-sectional view showing a state where the joint 30 is mounted on the heat sink 11. Figure 6 1 is a perspective view of the joint 30 showing the shape of the flow path R. The same reference numerals as those above denote the same or equivalent parts. Figure 5 The figure shows a state cut along a vertical plane passing through the axis L1 of the first connection port 41. The air outlet 40 is provided at a position where the axis L1 of the first connection port 41 and the axis L2 of the second connection port 42 intersect in a plan view of the heat sink 11.

[0037] In this embodiment, the inner diameter φ1 of the first connection port 41 is larger than the inner diameter φ2 of the second connection port 42, and the lower end B1 of the first connection port 41 and the lower end B2 of the second connection port 42 are located at the same height. As a result, the cooling medium W introduced from the first connection port 41 collides with the inner wall portion 35 inside the connection portion 33 and approaches downward, and the flow path R is further smoothly bent 90 degrees and reduced in diameter, so that the cooling medium W is discharged from the second connection port 42. As a result, the gas-liquid separation can be performed efficiently while reducing the pressure loss, and the cooling efficiency of the radiator 11 can be maintained at a high state.

[0038] The form of the vehicle, the shape and structure of the radiator, the shape and structure of the joint, the material of the joint and the hose, the inner diameter of the first connection port and the second connection port, the shape and structure of the first tubular portion and the second tubular portion, the arrangement of the air outlet, the angle between the axis of the first connection port and the axis of the second connection port, etc. are not limited to the above-mentioned embodiment, and various changes can be made. The joint of the utility model is not limited to the flow path of the cooling medium used in the radiator, etc., but can be set in the flow path of various liquids.

Claims

1. A joint, characterized in that: The cooling medium discharged from the cooling medium discharge port of the radiator flows to the downstream side and performs gas-liquid separation of the cooling medium. The radiator performs heat exchange between the cooling medium and the outside air, and the joint comprises: A first connection port connected to the cooling medium discharge port; The second connection port is connected to a pipe for allowing the cooling medium to flow toward the downstream side; and An air discharge port for discharging air separated from the aforementioned cooling medium; The center of the second connection port is located below the center of the first connection port.

2. The connector according to claim 1, wherein have: A first tubular portion, formed with the aforementioned first connection port; The second tubular portion is formed with the aforementioned second connection port; and a connecting portion connecting the first tubular portion and the second tubular portion in such a manner that the axis of the first connecting port and the axis of the second connecting port form an angle of 1 degree or more with each other; The air exhaust port is provided at an upper portion of the connecting portion.

3. The connector according to claim 2, wherein: The inner diameter of the first connecting port is greater than the inner diameter of the second connecting port.

4. The joint according to claim 3, wherein: The lower end of the first connection port and the lower end of the second connection port are located at the same height.

5. A vehicle, characterized in that: The radiator has a joint that allows the cooling medium discharged from the cooling medium discharge port of the radiator to flow to the downstream side and performs gas-liquid separation of the cooling medium. The radiator performs heat exchange between the cooling medium and the air, and The aforementioned connector has: A first connection port is connected to the cooling medium discharge port; and The second connection port is connected to a pipe for allowing the cooling medium to flow toward the downstream side; The center of the second connection port is located below the center of the first connection port.

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