CN217328945U - Heat conduction oil quick-connection joint - Google Patents
Heat conduction oil quick-connection joint Download PDFInfo
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- CN217328945U CN217328945U CN202220853964.0U CN202220853964U CN217328945U CN 217328945 U CN217328945 U CN 217328945U CN 202220853964 U CN202220853964 U CN 202220853964U CN 217328945 U CN217328945 U CN 217328945U
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Abstract
The utility model discloses a conduction oil connects fast belongs to the conduction oil and connects the field. The heat-conducting oil quick connector comprises a male connector and a female connector, wherein the male connector and the female connector are provided with sealing nuts and stop valves; the sealing nut is connected with the external thread at the interface; a nut and a limiting block are arranged on the right connector of the male connector, and the limiting block is fixed on the outer wall of the male connector and is positioned on the left side of the external thread; the male joint is provided with an annular groove, the female joint is provided with a ball head limiting device, when the ball head limiting device is matched with the annular groove, the end face of the right interface of the male joint is inserted into the left interface of the female joint, the end face of the left interface of the female joint abuts against the end face of the external thread on the right interface of the male joint, the two external threads are aligned and connected and fixed by a nut, and the stop valve inside the male joint and the female joint is communicated. The utility model uses the double connection of the buckle and the nut to improve the stability; the sealing performance is improved by using the double sealing of the sealing ring and the stop valve, and the joint is sealed by using the sealing nut after disconnection, so that the heat conduction oil in the pipeline is prevented from losing efficacy due to long-term air contact.
Description
Technical Field
The utility model belongs to the conduction oil connects the field, concretely relates to conduction oil that can install fast and dismantle connects soon.
Background
The quick connector is a connector which can realize the connection or disconnection of pipelines without tools. With the rapid development and wide application of hydraulic and pneumatic technologies, a hydraulic quick connector is developed and widely applied to a plurality of fields such as agricultural machinery, engineering machinery, hydraulic equipment, machine tools, petroleum and petrochemical engineering and the like as a connector form capable of being quickly and reliably repeatedly connected and disconnected. It has two parts: a female connector (socket) and a male connector (plug), the male connector being the male part and the female connector being the female part. These components effectively seal and lock the two-part joint when the two parts are properly connected to withstand internal pressure and resist any pulling forces tending to pull the joint apart. Upon disconnection and separation, the two parts can be easily disconnected without any other tools by opening the locking mechanism and the disconnecting member.
For the heat conducting oil joint, a pipe type part with an external thread of a male joint and a pipe type part with an internal thread of a female joint are commonly adopted at present. Such a threaded structure is extremely vulnerable, since the thermal oil joints often require repeated operations of connection and disconnection. Once damaged, a conduction oil leakage accident occurs. In addition, after the pipeline is disconnected, residual heat transfer oil in the pipeline is always wasted due to long-term air contact. Therefore, research and development of a novel heat-conducting oil quick-connection joint are of great importance.
Chinese utility model patent CN202327457U discloses a quick-change connector of heat conduction oil circuit. The utility model discloses a simple and easy reasonable in design of structure, it is convenient to install and use. But the sealing performance is not enough, and the waste of partial heat conduction oil in the middle pipeline of the switch valve on the heat conduction oil pipe and the heat conduction oil switch valve on the container cannot be avoided.
Chinese patent CN107631113A discloses a quick-mounting and-dismounting oil pipe joint. The invention has the advantages of quick assembly and disassembly and stable and reliable connection, but the sealing performance is poor, thus easily causing leakage and waste of part of oil left in the pipeline.
Chinese patent CN112728259A discloses a quick coupling. The invention has simple connection and easy operation, can not cause leakage during installation, and can effectively avoid the waste of partial heat-conducting oil of the intermediate pipeline between the switch valve on the heat-conducting oil pipe and the heat-conducting oil switch valve on the container. But the sealing performance is too poor, oil leakage is easily caused during the use, and the connection is not stable enough.
Chinese utility model patent CN212986351U discloses a quick coupling for oil pipe connection. The utility model discloses a connect fast, sealing performance is good. However, the structure is complex, the production is difficult, the cost is high, and partial heat conduction oil waste of the intermediate pipeline between the switch valve on the heat conduction oil pipe and the heat conduction oil switch valve on the container cannot be avoided.
Chinese utility model patent CN210890539U discloses a quick connector for oil pipe. The utility model discloses an easy operation connects fast, and sealing performance is good. But the waste of partial heat conduction oil in the middle pipeline between the switch valve on the heat conduction oil pipe and the heat conduction oil switch valve on the container cannot be avoided.
In conclusion, the conventional quick connector cannot simultaneously meet the requirements of simple operation, quick and convenient installation, good sealing performance, leakage prevention and waste of partial heat conduction oil in the middle pipelines of the switch valve on the heat conduction oil pipe and the heat conduction oil switch valve on the container. Therefore, the development of a set of heat conduction oil quick connector which can meet the conditions is significant.
Disclosure of Invention
The utility model aims at: a heat-conducting oil quick-connection joint device is developed. The device meets good sealing performance and avoids oil leakage; when the pipeline is pulled out, the waste of partial heat conduction oil of the switch valve on the heat conduction oil pipe and the heat conduction oil switch valve middle pipeline on the container is avoided, and the waste of failure caused by long-term contact of the partial heat conduction oil with air is avoided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heat-conducting oil quick connector comprises a male connector and a female connector, wherein the male connector and the female connector are provided with sealing nuts and stop valves; a first external thread and a second external thread are respectively arranged on the right interface of the male connector and the left interface of the female connector, and a sealing nut is connected with the external thread at the interfaces;
a nut and a limiting block are arranged at a first external thread on the right connector of the male connector, the limiting block is fixed on the outer wall of the male connector and positioned on the left side of the first external thread, and the nut is matched with the first external thread; an annular groove is formed between the end face of the right connector of the male connector and the first external thread;
the second external thread of the female joint is close to the end face of the left connector of the female joint, and a ball head limiting device matched with the annular groove is arranged on the right side of the second external thread; when the ball head limiting device is matched with the annular groove, the end face of the right interface of the male connector is inserted into the left interface of the female connector, the end face of the left interface of the female connector abuts against the end face of the first external thread on the right interface of the male connector, the first external thread is aligned with the second external thread and is fixedly connected by a nut, and the stop valve inside the male connector and the stop valve inside the female connector are communicated.
Preferably, a penetrating left through hole is horizontally arranged in the male connector, and a first support for mounting a first stop valve and a first anti-falling block for limiting are arranged in the left through hole; the first support is provided with a groove, the first stop valve is installed in the groove through a stop valve spring, the outer edge of a valve clack of the first stop valve abuts against the first anti-falling block, and the center of the valve clack is provided with a left linkage column horizontally extending rightwards;
a right through hole is horizontally arranged in the female joint in a penetrating way, and a second bracket for mounting a second stop valve and a second anti-falling block with a limiting function are arranged in the right through hole; the second support is provided with a groove, the second stop valve is installed in the groove through a stop valve spring, the outer edge of the valve clack of the second stop valve abuts against the second anti-falling block, and the center of the valve clack is provided with a right linkage column horizontally extending leftwards.
Preferably, the first stop valve and the second stop valve are coaxial with the male connector and the female connector, and the total length of the left linkage column and the right linkage column is greater than the distance between the first anti-falling block and the second anti-falling block.
Preferably, a third sealing ring is mounted on the left end face of the first anti-falling block, and a fourth sealing ring is mounted on the right end face of the second anti-falling block; the diameters of the third sealing ring and the fourth sealing ring are smaller than the diameter of the outer edge of the valve clack.
Preferably, the first anti-falling block and the second anti-falling block are annular convex structures fixed on the inner walls of the male joint and the female joint respectively.
Preferably, a first sealing ring is arranged on the right interface end face of the male connector, and a second sealing ring is arranged on the left interface end face of the female connector.
Preferably, the ball head limiting device comprises a buckle and a limiting ball, the left side of the buckle is hinged with the right side of a second external thread on the outer wall of the female joint through a first positioning pin, and the bottom of the buckle is hinged with the limiting ball through a second positioning pin; and a through hole for accommodating a limiting ball is formed in the right side of the second external thread on the outer wall of the female joint.
Preferably, the number of the limiting devices is 2-4, and the limiting devices are uniformly distributed along the circumferential direction of the outer wall of the female joint.
Preferably, the bottom of the buckle is provided with a sliding groove, a second positioning pin connected with the limiting ball is installed in the sliding groove, and the limiting ball can move up and down along with the buckle in a through hole in the outer wall of the female joint.
The utility model discloses has positive effect: the heat-conducting oil quick connector provided by the utility model adopts the double connection of the buckle and the nut when in connection, thereby improving the connection stability; the O-shaped sealing ring and the stop valve are used for double sealing, so that the sealing performance of the device is improved; after the disconnection, the seal nuts are used for respectively sealing the male connector and the female connector, so that the waste caused by the fact that heat conduction oil in the pipeline contacts air for a long time can be effectively avoided. The quick connector is simple in structure and quick and convenient to install.
Drawings
Fig. 1 is the schematic diagram of the utility model discloses the heat conduction oil quick-connection joint device during disconnection.
Fig. 2 is the schematic diagram of the heat-conducting oil quick-connection joint device of the utility model when connecting.
Figure 3 is a cross-sectional view at section one 25 of the male connector where the shut-off valve is installed.
Fig. 4 is a cross-sectional view of the male connector at section two 26 where the anti-separation block is installed.
Wherein: 1-a male connector; 2-a first stop valve spring; 3-a first stop valve; 4-a limiting block; 5-a nut; 6-a first external thread; 7-an annular groove; 8-a first O-ring seal; 9-a first anti-drop block; 10-a second O-ring seal; 11-a second external thread; 12-a first locator pin; 13-buckling; 14-a second locating pin; 15-a limit ball; 16-a second anti-drop block; 17-a second stop valve; 18-a female connector; 19-a second stop valve spring; 20-a fourth O-ring seal; 21-second sealing nut; 22-first sealing nut; 23-third O-shaped sealing ring, 24-chute, 25-section I and 26-section II.
Detailed Description
In order to make the contents of the present invention more easily and clearly understood, the present invention will be further described in detail with reference to the following specific embodiments and accompanying drawings, wherein fig. 1 is a schematic system diagram of the present invention when the heat transfer oil quick connector device is disconnected, and fig. 2 is a schematic system diagram of the present invention when the heat transfer oil quick connector device is connected.
Referring to the attached drawing 1 of the specification, the embodiment discloses a heat conduction oil quick connector, which is composed of a male connector 1, a first stop valve spring 2, a first stop valve 3, a stop block 4, a nut 5, a first external thread 6, an annular groove 7, a first O-shaped sealing ring 8, a first anti-falling block 9, a second O-shaped sealing ring 10, a second external thread 11, a first positioning pin 12, a buckle 13, a second positioning pin 14, a stop ball 15, a second anti-falling block 16, a second stop valve 17, a female connector 18, a second stop valve spring 19, a fourth O-shaped sealing ring 20, a male connector sealing nut 21, a female connector sealing nut 22 and a third O-shaped sealing ring 23. When the quick connector is in a disconnected state, the sealing nut is connected with the external thread at the connector, so that waste of residual heat conducting oil in the pipeline is prevented.
A nut 5 and a limiting block 4 are arranged at the first external thread on the right connector of the male connector, the limiting block is fixed on the outer wall of the male connector and positioned on the left side of the first external thread, and the nut is matched with the first external thread; an annular groove 7 is formed between the end face of the right connector of the male connector and the first external thread;
the second external thread of the female joint is close to the end face of the left connector of the female joint, and a ball head limiting device matched with the annular groove 7 is arranged on the right side of the second external thread; when the ball head limiting device is matched with the annular groove 7, the end face of the right interface of the male connector is inserted into the left interface of the female connector, the end face of the left interface of the female connector abuts against the end face of the first external thread on the right interface of the male connector, the first external thread is aligned with the second external thread and is fixedly connected by the nut 5, and the stop valve inside the male connector and the stop valve inside the female connector are communicated.
A penetrating left through hole is horizontally arranged in the male connector, and a first support for mounting the first stop valve 3 and a first anti-falling block for limiting are arranged in the left through hole; the cross-section at the first leg is shown in fig. 3 and the cross-section at the second leg is shown in fig. 4. The same applies to the female joint. The stop valves in the male joint and the female joint can prevent heat conduction oil in the pipeline from leaking and wasting.
Before the male connector and the female connector are connected, the sealing nut 22 of the male connector 1 and the sealing nut 21 of the female connector 18 are opened firstly, the nut 5 on the male connector 1 is retreated to the position of the limiting block 4, the buckle 13 rotates anticlockwise, the left side of the buckle rotates around the first locating pin 12, and the limiting ball moves upwards under the driving of the second locating pin 14.
And starting connection, inserting the right interface end face of the male connector into the left interface of the female connector, pushing the limiting ball 15 on the female connector 18 into the annular groove 7, rotating the buckle 13 clockwise, rotating the left side of the buckle around the first positioning pin 12, driving the limiting ball 15 to move downwards by the second positioning pin 14, and matching the limiting ball 15 with the annular groove 7. The left connector end face of the female connector abuts against the first external thread end face of the right connector of the male connector, the first external thread is aligned with the second external thread, the nut 5 on the male connector rotates towards the direction of the buckle 13, and the first external thread and the second external thread are connected through the nut. In the connection process, a left linkage column on a valve clack of the first stop valve 3 is abutted with a right linkage column on a valve clack of the second stop valve 17, the first stop valve 3 compresses the first stop valve spring 2, the second stop valve 17 compresses the second stop valve spring 19, the stop valves in the male connector and the female connector are connected, and a pipeline where the male connector 1 and the female connector 18 are located is communicated.
When the connection is disconnected, the nut 5 is screwed to the position of the limiting block 4, the buckle 13 is opened, the connection between the male connector 1 and the female connector 18 is disconnected, in the disconnection process, the first stop valve spring 2 pushes the first stop valve 3, the second stop valve spring 19 pushes the second stop valve 17, the first stop valve 3 and the second stop valve 17 are closed, and the pipeline where the male connector 1 and the female connector 18 are located is closed.
After disconnection, the male connector 1 is sealed by the sealing nut 22, the female connector 18 is sealed by the sealing nut 21, and the conduction oil in the pipeline is prevented from contacting air for a long time to cause failure and waste by connecting the internal thread of the sealing nut with the external thread of the connector.
The utility model provides a quick-operation joint satisfies good leakproofness, avoids the oil leak, can avoid the partial conduction oil in the joint to contact the air for a long time and inefficacy extravagant under the non-connected state.
The foregoing is illustrative of only specific embodiments of this invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (9)
1. A quick-connection joint for heat-conducting oil is characterized by comprising a male joint (1) and a female joint (18), wherein the male joint is provided with a sealing nut and a stop valve; a right connector of the male connector and a left connector of the female connector are respectively provided with a first external thread (6) and a second external thread (11), and a sealing nut is connected with the external thread at the connectors;
a nut (5) and a limiting block (4) are arranged at a first external thread on the right connector of the male connector, the limiting block is fixed on the outer wall of the male connector and positioned on the left side of the first external thread, and the nut is matched with the first external thread; an annular groove (7) is arranged between the end face of the right connector of the male connector and the first external thread;
the second external thread of the female joint is close to the end face of the left connector of the female joint, and a ball head limiting device matched with the annular groove (7) is arranged on the right side of the second external thread; when ball head stop device and annular groove (7) cooperate, in male joint right side interface terminal surface inserted female joint left side interface, female joint left side interface terminal surface butt first external screw thread terminal surface department on male joint right side interface, first external screw thread aligns with the second external screw thread, is connected fixedly by nut (5), the stop valve switch-on of male joint and female joint inside.
2. A heat transfer oil quick connector as claimed in claim 1, characterized in that a left through hole is horizontally arranged in the male connector, and a first support for installing a first stop valve (3) and a first anti-dropping block with a limiting function are arranged in the left through hole; the first support is provided with a groove, the first stop valve is installed in the groove through a stop valve spring, the outer edge of a valve clack of the first stop valve abuts against the first anti-falling block (9), and the center of the valve clack is provided with a left linkage column horizontally extending rightwards;
a right through hole is horizontally arranged in the female joint in a penetrating way, and a second support used for installing a second stop valve (17) and a second anti-falling block (16) with a limiting effect are arranged in the right through hole; the second support is provided with a groove, the second stop valve is installed in the groove through a stop valve spring, the outer edge of the valve clack of the second stop valve abuts against the second anti-falling block, and the center of the valve clack is provided with a right linkage column horizontally extending leftwards.
3. The conduction oil quick connector according to claim 2, wherein the first stop valve and the second stop valve are coaxial with the male connector and the female connector, and the total length of the left linkage column and the right linkage column is larger than the distance between the first anti-dropping block and the second anti-dropping block.
4. The conduction oil quick-connection joint according to claim 2, characterized in that a third sealing ring (23) is mounted on the left end face of the first anti-dropping block, and a fourth sealing ring (20) is mounted on the right end face of the second anti-dropping block; the diameters of the third sealing ring and the fourth sealing ring are smaller than the diameter of the outer edge of the valve clack.
5. A heat transfer oil quick connector as claimed in claim 2, characterized in that the first and second anti-drop blocks are annular protrusion structures fixed on the inner walls of the male and female connectors, respectively.
6. A heat transfer oil quick connector as claimed in claim 1, characterized in that a first sealing ring (8) is arranged on the right connector end face of the male connector, and a second sealing ring (10) is arranged on the left connector end face of the female connector.
7. A heat transfer oil quick-connection joint according to claim 1, characterized in that the ball head limiting device comprises a buckle (13) and a limiting ball (15), the left side of the buckle is hinged with the right side of a second external thread on the outer wall of the female joint through a first positioning pin (12), and the bottom of the buckle is hinged with the limiting ball (15) through a second positioning pin (14); and a through hole for accommodating a limiting ball (15) is formed in the right side of the second external thread on the outer wall of the female joint.
8. A heat transfer oil quick-connection joint as claimed in claim 7, wherein the number of the ball head limiting devices is 2-4, and the ball head limiting devices are uniformly distributed along the circumferential direction of the outer wall of the female joint.
9. A heat transfer oil quick connector as claimed in claim 7, characterized in that a sliding groove (24) is formed in the bottom of the buckle, a second positioning pin (14) connected with a limiting ball (15) is installed in the sliding groove (24), and the limiting ball can move up and down along with the buckle in a through hole in the outer wall of the female connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220853964.0U CN217328945U (en) | 2022-04-13 | 2022-04-13 | Heat conduction oil quick-connection joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220853964.0U CN217328945U (en) | 2022-04-13 | 2022-04-13 | Heat conduction oil quick-connection joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217328945U true CN217328945U (en) | 2022-08-30 |
Family
ID=82947653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220853964.0U Active CN217328945U (en) | 2022-04-13 | 2022-04-13 | Heat conduction oil quick-connection joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217328945U (en) |
-
2022
- 2022-04-13 CN CN202220853964.0U patent/CN217328945U/en active Active
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