Quick-plugging self-sealing element connector

Abstract

The invention belongs to the technical field of connector sealing, and particularly relates to a quick-plugging self-sealing element connector which comprises an air conditioner compressor and connecting pipes, the connecting pipes are detachably installed at the air inlet end and the air outlet end of the air conditioner compressor, and guide pipes are detachably installed at the ends, away from the air conditioner compressor, of the connecting pipes. A connecting piece is arranged between the connecting pipe and the guide pipe, connection between the guide pipe and the end of the connecting pipe can be achieved through the connecting piece, sealing between the guide pipe and the connecting pipe is guaranteed, and rapid insertion and extraction between the connecting pipe and the guide pipe are achieved. In the invention, the conduit and the connecting pipe can be connected through the connecting piece, the conduit and the connecting pipe which are connected are sealed, and meanwhile, the conduit and the connecting pipe can be quickly separated and connected under the cooperation of the connecting piece, and the connecting pipe or the conduit does not need to be inserted and pulled vigorously, so that a large amount of physical strength is saved; meanwhile, the situation that the connecting piece deforms after being disassembled and assembled for a long time is avoided, and influences on follow-up connection and sealing performance of the connecting pipe and the guide pipe are prevented.

Description

Technical Field

[0001] This invention belongs to the field of connector sealing technology, specifically a quick-plug self-sealing connector. Background Technology

[0002] Quick-connect self-sealing connectors are industrial connection components that combine quick connection and disconnection with automatic sealing. They require no complicated tools and can be used to connect pipelines or equipment with simple operation. When disconnected, they can automatically seal the interface to prevent leakage of internal fluids and gases, while also preventing external impurities from entering.

[0003] In automotive air conditioning, fuel, and engine cooling systems, quick-release self-sealing connectors are commonly used for pipe connections. (During inspections of pipes in these systems, the two sections are typically separated at the quick-release point, and the internal components are inspected using testing equipment.) Existing pipe connections often use locking connections or self-locking structures at the pipe ends. However, continuous vibrations during vehicle operation can easily cause joints to loosen or even detach. Pipes with self-locking structures at the ends are generally designed as plug-in connectors, requiring significant force to connect or disconnect the two sections. This not only requires considerable effort but may also cause deformation of the connector housing or metal contacts during insertion or removal, thus affecting subsequent connections and sealing of the two pipe sections.

[0004] Therefore, the present invention provides a quick-plug self-sealing connector. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by the present invention to solve its technical problem is as follows: The present invention provides a quick-plug self-sealing connector, including an air conditioning compressor and a connecting pipe. The air conditioning compressor has a connecting pipe detachably installed at both its inlet and outlet ends. A conduit is detachably installed at the end of the connecting pipe away from the air conditioning compressor. A connector is provided between the connecting pipe and the conduit. The connector enables the connection between the end of the conduit and the end of the connecting pipe, while ensuring the seal between the conduit and the connecting pipe and enabling quick plugging and unplugging between the connecting pipe and the conduit.

[0007] The connector includes a telescopic bellows and a plug-in tube. One end of the conduit is detachably fitted with a telescopic bellows, and the end of the telescopic bellows away from the conduit is fixedly fitted with a plug-in tube. The inner diameter of the plug-in tube is larger than the outer diameter of the connecting tube. A fixing ring is fitted onto the outer wall of the connecting tube, and one end of the fixing ring has an annular sealing groove that matches the plug-in tube.

[0008] The outer wall of the insertion tube is fixedly equipped with vertical blocks that are perpendicular to its own outer wall in a ring. Each of the vertical blocks has a through strip fixedly installed on one side. The outside of the connecting tube is fixedly fitted with a sleeve ring. A rotating ring is rotatably installed on the outer wall of the sleeve ring. One end of the rotating ring has through slots that are adapted to the through strips in a ring. The outer wall of the through strip is fixedly equipped with a limiting block for limiting its own position. All the through slots are designed as L-shaped structures.

[0009] One end of the sleeve ring is detachably fitted with a U-shaped plate for limiting the rotation ring. Both the sleeve ring and the rotation ring have a fixing groove that matches the U-shaped plate at the same end.

[0010] The inner cavity of the U-shaped plate is symmetrically fixed with arc-shaped elastic plates on both sides, and the inner wall of the fixing groove is provided with a slot that matches the arc-shaped elastic plate.

[0011] Each of the multiple upright blocks has a pressure spring fixedly installed on one side to press against the end of the sleeve ring.

[0012] An installation ring is fixedly sleeved on the inner wall of the insertion tube, and a telescopic rubber tube is fixedly installed at one end of the installation ring. A limiting ring for limiting the telescopic rubber tube is fixedly sleeved on the inner wall of the connecting tube.

[0013] A contact ring is fixedly sleeved at the end of the telescopic rubber tube away from the mounting ring. The diameter of the contact ring is slightly smaller than the diameter of the limiting ring.

[0014] Multiple sliding tubes are fixedly installed in a ring-shaped arrangement near one end of the telescopic rubber tube. A sliding rod is slidably installed in the inner cavity of each sliding tube. The end of the sliding rod extending to the outside of the sliding tube is fixedly connected to one end of the contact ring. A return spring connected to one end of the sliding rod is fixedly installed in the inner cavity of each sliding tube.

[0015] The beneficial effects of this invention are as follows: 1. The connector enables the connection of the conduit and the connecting tube, and seals the connected conduit and the connecting tube. With the help of the connector, the conduit and the connecting tube can be quickly separated and connected without the need for forceful insertion and removal of the connecting tube or the conduit, saving a lot of physical effort. At the same time, it avoids deformation of the connector due to long-term disassembly and assembly, and prevents it from affecting the subsequent connection and sealing of the connecting tube and the conduit.

[0016] 2. When one end of the contact ring and one end of the limiting ring are attached and compressed, the slide rod moves closer to the mounting ring in the inner cavity of the slide tube. At this time, the return spring is compressed. The reverse thrust applied to the slide rod by the return spring increases the squeezing force of the contact ring on the end of the limiting ring, improves the tightness of the fit between the contact ring and the limiting ring, and further increases the sealing between the insertion tube and the connecting tube. Attached Figure Description

[0017] The invention will now be further described with reference to the accompanying drawings.

[0018] Figure 1 This is a perspective view of the present invention; Figure 2 This is an assembly diagram of the connecting pipe and conduit of the present invention; Figure 3 This is an assembly diagram of the connecting tube and the insertion tube of the present invention; Figure 4 This is an assembly diagram of the U-shaped plate and the arc-shaped elastic plate of the present invention; Figure 5 This is an assembly drawing of the slide rod and slide tube of the present invention; Figure 6 This is an assembly diagram of the rotating ring and the insertion / removal tube of the present invention; Figure 7 This is an assembly diagram of the telescopic rubber tube and the insertion tube of the present invention; Figure 8 This is the present invention. Figure 2 Enlarged view of the structure at point A in the middle; Figure 9 This is the present invention. Figure 3 Enlarged view of the structure at point B in the middle.

[0019] In the picture: 1. Air conditioner compressor; 2. Connecting pipe; 3. Insertion pipe; 4. Conduit; 5. Rotating ring; 6. Fixing ring; 7. Telescopic rubber hose; 8. Mounting ring; 9. Slide rod; 10. Slide tube; 11. Telescopic corrugated pipe; 12. Through strip; 13. Limiting ring; 14. Sleeve ring; 15. U-shaped plate; 16. Arc-shaped elastic plate; 17. Return spring; 18. Contact ring; 19. Top pressure spring; 20. Vertical block; 21. Through slot; 22. Limiting block; 23. Fixing groove. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0021] like Figure 1-9 As shown, this embodiment of the invention includes an air conditioning compressor 1 and a connecting pipe 2. The air conditioning compressor 1 is detachably equipped with the connecting pipe 2 at both its inlet and outlet ends. The end of the connecting pipe 2 away from the air conditioning compressor 1 is detachably equipped with a conduit 4. The air conditioning compressor 1 can draw in low-temperature, low-pressure gaseous refrigerant from the evaporator through the connecting pipe 2 and conduit 4 installed at the inlet end. Through the compression action of the internal piston or swashplate, it is converted into high-temperature, high-pressure gaseous refrigerant. Then, the high-pressure, high-temperature refrigerant is pumped into the condenser through the connecting pipe 2 and conduit 4 installed at the outlet end, where it exchanges heat with the outside air and liquefies, releasing heat to achieve the purpose of cooling the vehicle interior (this is prior art and will not be described in detail here).

[0022] One end of the conduit 4 is detachably fitted with a telescopic bellows 11. A plug-in tube 3 is fixedly installed at the end of the telescopic bellows 11 furthest from the conduit 4. The inner diameter of the plug-in tube 3 is larger than the outer diameter of the connecting tube 2. When connecting the end of the connecting tube 2 furthest from the air conditioning compressor 1 to the conduit 4, first insert the end of the connecting tube 2 furthest from the air conditioning compressor 1 into the inner cavity of the plug-in tube 3 through the end of the plug-in tube 3 furthest from the telescopic bellows 11. While the end of the connecting tube 2 is inserted into the inner cavity of the plug-in tube 3, continuously pulling the plug-in tube 3 stretches the telescopic bellows 11, causing the plug-in tube 3 to continuously move closer to the connecting tube 2, which facilitates the insertion of the connecting tube 2 into the inner cavity of the plug-in tube 3. The expansion corrugated pipe 11 is made of rubber material. Rubber has high elasticity and flexibility, which can realize a large range of axial expansion, lateral displacement and angular deflection. It can easily compensate for pipeline installation deviation, equipment vibration displacement or deformation caused by thermal expansion and contraction, and avoid pipeline pulling and breaking.

[0023] A fixing ring 6 is fitted onto the outer wall of the connecting pipe 2. One end of the fixing ring 6 has an annular sealing groove that matches the insertion and removal pipe 3. As one end of the connecting pipe 2 is continuously inserted into the inner cavity of the insertion and removal pipe 3, until the end of the insertion and removal pipe 3 away from the telescopic corrugated pipe 11 enters the inner cavity of the annular sealing groove and fits against the inner wall of the annular sealing groove away from its own opening, the installation position of the insertion and removal pipe 3 can be limited.

[0024] The outer wall of the insertion tube 3 is fixedly installed with vertical blocks 20 that are perpendicular to its own outer wall in a ring. Each of the multiple vertical blocks 20 has a through strip 12 fixedly installed on one side, wherein the through strip 12 is perpendicular to the vertical block 20.

[0025] A connecting pipe 2 is externally fixedly fitted with a sleeve ring 14. A rotating ring 5 is rotatably mounted on the outer wall of the sleeve ring 14. One end of the rotating ring 5 has through slots 21 arranged in a ring shape to fit the through strip 12. A limiting block 22 for limiting its own position is fixedly mounted on the outer wall of the through strip 12. All through slots 21 are L-shaped, with one end of the through slot 21 being larger than the size of the limiting block 22 (e.g., ...). Figure 9As shown, before one end of the insertion tube 3 is inserted into the annular sealing groove, first rotate the rotating ring 5 until the large end of the through slot 21 and the middle of one end of the through strip 12 coincide. As the insertion tube 3 continues to move, the end of the through strip 12 away from the upright block 20 passes through the large end of the through slot 21. After the limiting block 22 completely passes through the through slot 21, one end of the insertion tube 3 and the annular sealing groove away from their own opening end are in contact. At the same time, the side of the limiting block 22 near the sleeve ring 14 and the end of the rotating ring 5 away from the insertion tube 3 are flush with each other. Then rotate the rotating ring 5 until the inner wall of the small end of the through slot 21 and the outer wall of the through strip 12 are tightly in contact. The rotating ring 5 can limit the through strip 12, preventing the insertion tube 3 from moving in the opposite direction. With the cooperation of the insertion tube 3 and the annular sealing groove, the connection between the connecting tube 2 and the conduit 4 can be sealed, preventing the leakage of gas or liquid flowing inside the conduit 4 and the connecting tube 2.

[0026] One end of the sleeve ring 14 is detachably fitted with a U-shaped plate 15 for limiting the rotation ring 5. Both the sleeve ring 14 and the rotation ring 5 have a fixing groove 23 that matches the U-shaped plate 15 at the same end. When the inner wall of the small end of the slot 21 and the outer wall of the insert strip 12 are tightly fitted, the central axis of the fixing groove 23 at one end of the rotation ring 5 and the central axis of the fixing groove 23 at one end of the sleeve ring 14 coincide. Then, one end of the U-shaped plate 15 is inserted into the inner cavity of the two fixing grooves 23 at the same time. The rotation ring 5 can be limited by the U-shaped plate 15 to prevent the rotation ring 5 from rotating along its own axis due to vehicle vibration and to prevent the insert strip 12 from detaching from the slot 21.

[0027] A curved elastic plate 16 is symmetrically fixedly installed on both sides of the inner cavity of the U-shaped plate 15. The inner wall of the fixing groove 23 is provided with a slot that matches the curved elastic plate 16. When one end of the U-shaped plate 15 is fully inserted into the inner cavity of the two fixing grooves 23, the curved end of the curved elastic plate 16 is pressed against the inner wall of the fixing groove 23 and deformed by the pressure of the fixing groove 23. After one end of the U-shaped plate 15 is fully inserted into the inner cavity of the two fixing grooves 23, the curved elastic plate 16 is completely moved into the inside of the slot. At this time, the curved elastic plate 16 can release its elastic potential energy and return to its original position. Until the curved outer wall of the curved elastic plate 16 and the inner wall of the slot are tightly fitted, the friction of the U-shaped plate 15 can be increased by the mutual cooperation of the curved elastic plate 16 and the slot, preventing the U-shaped plate 15 from detaching from the inside of the fixing groove 23 when the car shakes violently for a long time.

[0028] When it is necessary to separate the conduit 4 and the connecting pipe 2 and clean or replace foreign objects inside the conduit 4 or the connecting pipe 2, pull the U-shaped plate 15 to pull the U-shaped plate 15 out of the fixed groove 23. Then, rotate the rotating ring 5 along the axis of the rotating ring 5 until the other side of the insert strip 12 is in contact with the inner wall of the large end of the insert slot 21. Then push the insertion tube 3 in the opposite direction. At this time, the telescopic corrugated tube 11 is squeezed and contracted until the end of the connecting pipe 2 away from the air conditioner compressor 1 is completely pulled out of the inner cavity of the insertion tube 3 to achieve the separation of the connecting pipe 2 and the conduit 4.

[0029] Each of the multiple upright blocks 20 is fixedly installed with a pressing spring 19 for pressing the end of the sleeve ring 14. When the insert strip 12 is inserted into the slot 21, the end of the pressing spring 19 away from the upright block 20 is in contact with the end of the sleeve ring 14. As the insertion tube 3 continues to move, the pressing spring 19 is compressed. Under the squeezing force of the pressing spring 19, the tightness of the contact between the side of the limiting block 22 and the end of the rotating ring 5 is increased.

[0030] An installation ring 8 is fixedly sleeved on the inner wall of the insertion tube 3. A telescopic rubber tube 7 is fixedly installed on one end of the installation ring 8. A limiting ring 13 for limiting the telescopic rubber tube 7 is fixedly sleeved on the inner wall of the connecting tube 2. When one end of the insertion tube 3 is in contact with the inner wall of the annular sealing groove away from its own opening, the end of the telescopic rubber tube 7 away from the installation ring 8 is inserted into the inner cavity of the connecting tube 2 and is in contact with one end of the limiting ring 13 and compressed, which can play a secondary sealing role in the connection between the connecting tube 2 and the insertion tube 3.

[0031] A contact ring 18 is fixedly sleeved at the end of the telescopic rubber tube 7 away from the mounting ring 8. The diameter of the contact ring 18 is slightly smaller than the diameter of the limiting ring 13. When the telescopic rubber tube 7 is inserted into the inner cavity of the connecting tube 2, the end of the contact ring 18 away from the telescopic rubber tube 7 and the end of the limiting ring 13 are completely fitted together to prevent air leakage due to gaps between the telescopic rubber tube 7 and the limiting ring 13.

[0032] Multiple slide tubes 10 are fixedly installed in a ring-shaped arrangement near one end of the mounting ring 8, close to the telescopic rubber tube 7. A slide rod 9 is slidably installed in the inner cavity of the slide tube 10. One end of the slide rod 9 extending to the outside of the slide tube 10 is fixedly connected to one end of the contact ring 18. A return spring 17 connected to one end of the slide rod 9 is fixedly installed in the inner cavity of each of the multiple slide tubes 10. When one end of the contact ring 18 and one end of the limiting ring 13 are pressed together and compressed, the slide rod 9 moves closer to the mounting ring 8 in the inner cavity of the slide tube 10. At this time, the return spring 17 is compressed. The reverse thrust applied by the return spring 17 to the slide rod 9 increases the squeezing force of the contact ring 18 on the end of the limiting ring 13, improves the tightness of the fit between the contact ring 18 and the limiting ring 13, and further increases the sealing between the insertion tube 3 and the connecting tube 2.

[0033] The connector consists of the insertion tube 3, telescopic rubber tube 7, mounting ring 8, telescopic corrugated tube 11, insertion strip 12, and limiting block 22. The connector enables the connection between the conduit 4 and the connecting tube 2 and seals the connected conduit 4 and the connecting tube 2. With the cooperation of the connector, the conduit 4 and the connecting tube 2 can be quickly separated and connected without the need for forceful insertion and removal of the connecting tube 2 or the conduit 4, saving a lot of physical effort. At the same time, it avoids deformation of the connector due to long-term disassembly and assembly, preventing it from affecting the subsequent connection and sealing of the connecting tube 2 and the conduit 4.

[0034] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0035] In the description of this invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick plug self-sealing connector, comprising an air conditioner compressor (1) and a connecting pipe (2), the air inlet end and the air outlet end of the air conditioner compressor (1) are detachably installed with the connecting pipe (2), and the end of the connecting pipe (2) away from the air conditioner compressor (1) is detachably installed with a guide pipe (4), characterized in that: The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected.

2. A quick-plug self-sealing connector according to claim 1, wherein: The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected.

3. A quick-plug self-sealing connector according to claim 2, wherein: The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected.

4. A quick-plug self-sealing connector according to claim 3, wherein: The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected.

5. A quick-plug self-sealing connector according to claim 4, wherein: The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected.

6. A quick-plug self-sealing connector according to claim 3, wherein: The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected.

7. A quick-plug self-sealing connector according to claim 6, wherein: The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected.

8. A quick-plug self-sealing connector according to claim 7, wherein: The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected.

9. A quick-plug self-sealing connector according to claim 8, wherein: The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected. The connecting pipe (2) and the connecting pipe (2) are provided with a connecting pipe (2) and a connecting pipe (2), and the connecting pipe (2) and the connecting pipe (2) are connected.

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