CN212131601U - Working medium pipe quick connector, connecting pipe assembly and automobile air conditioner - Google Patents
Working medium pipe quick connector, connecting pipe assembly and automobile air conditioner Download PDFInfo
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- CN212131601U CN212131601U CN202020507327.9U CN202020507327U CN212131601U CN 212131601 U CN212131601 U CN 212131601U CN 202020507327 U CN202020507327 U CN 202020507327U CN 212131601 U CN212131601 U CN 212131601U
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Abstract
The utility model discloses a working medium pipe quick connector, connecting pipe subassembly and vehicle air conditioner, wherein, working medium pipe quick connector, include: the outer surface of the male connector is provided with threads; the female joint comprises an insertion pipe and a nut connected to the outer surface of the insertion pipe, the insertion pipe extends into the male joint, the insertion pipe is in sealing butt joint with the male joint, and the nut is in threaded connection with the male joint. The utility model discloses technical scheme has the convenient characteristics of dismouting.
Description
Technical Field
The utility model relates to a working medium pipe field, in particular to working medium pipe quick connector, connecting pipe subassembly and vehicle air conditioner.
Background
The working medium pipe is used for leading to the pipeline of working medium, when working medium pipe takes place the condition such as damage, jam or deformation, needs overhaul or change, and the dismouting of current working medium pipe is inconvenient, and the time that consumes is long. Especially when the working medium pipe is applied to an automobile, the jolt of the automobile brings great loss to the working medium pipe, the requirement for overhauling the working medium pipe is high, the overhauling position is not fixed, and more inconvenience is brought to the overhauling of the working medium pipe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a working medium pipe quick connector aims at promoting the convenience of working medium pipe dismouting.
In order to achieve the above object, the utility model provides a working medium pipe union piece soon, include:
the outer surface of the male connector is provided with threads;
the female joint comprises an insertion pipe and a nut connected to the outer surface of the insertion pipe, the insertion pipe extends into the male joint, the insertion pipe is in sealing butt joint with the male joint, and the nut is in threaded connection with the male joint.
Optionally, one end of the nut, which is far away from the male connector, is provided with a flange extending towards the axis of the nut, and the flange is annularly sleeved on the insertion tube.
Optionally, the ring surface of the flange close to the male connector is matched with the end surface of the male connector close to the flange, so that the end surface of the male connector is attached to the ring surface in the assembling state of the male connector and the female connector.
Optionally, the male connector is adjacent to the end face of the flange and extends offset to the axis of the male connector in the direction from the male connector to the flange.
Optionally, the male connector comprises:
a flow supply section having an inner diameter smaller than an outer diameter of the cannula; and the number of the first and second groups,
the butt joint section is connected to the end part, close to the female joint, of the flow supply section, the inner diameter of the butt joint section is larger than that of the flow supply section, a first step surface is formed at the joint of the flow supply section and the butt joint section, the insertion pipe is inserted into the butt joint section, and the end part of the insertion pipe is abutted to the first step surface.
Optionally, the male joint further comprises an installation section, the installation section is connected to the butt joint section and is far away from the end of the flow supply section, the inner diameter of the installation section is larger than that of the butt joint section, a first sealing ring is arranged in the installation section, and the first sealing ring is in sealing abutting connection with the insertion pipe and the installation section.
Optionally, a convex ring is arranged on the outer surface of the insertion tube, the convex ring is arranged around the axis of the insertion tube, the convex ring is located on one side of the flange close to the male connector, and the outer diameter of the convex ring is larger than the inner diameter of the flange.
Optionally, the surface of the convex ring close to the flange is matched with the annular surface of the flange close to the male joint, so that the convex ring is attached to the annular surface when the male joint is assembled with the female joint.
Optionally, the surface of the convex ring, which is far away from the flange, is matched with the end surface, which is close to the flange, of the male connector, so that the convex ring is attached to the end surface, which is close to the flange, of the male connector in the assembling state of the male connector and the female connector.
Optionally, the male connector comprises:
the thread is arranged on the outer surface of the mounting pipe, and a first valve port is formed in the mounting pipe;
the piston is arranged in the mounting pipe and movably covers the first valve port; and the number of the first and second groups,
the first elastic resetting piece is arranged in the mounting pipe and connected with the piston so as to drive the piston to cover the first valve port;
the female joint further comprises an ejector pin arranged in the insertion pipe, the ejector pin is used for abutting against the piston, and the piston is provided with a first station and a second station, wherein the first station abuts against the ejector pin to open the first valve port, and the second station seals the first valve port.
Optionally, the piston is axially slidably mounted within the mounting tube along the mounting tube.
Optionally, the first elastic restoring member includes:
the spring seat is connected with the mounting pipe and is positioned on one side, away from the insertion pipe, of the first valve port;
and one end of the first spring is connected with the spring seat, and the other end of the first spring is connected with the piston.
Optionally, a butting block is convexly arranged on the surface of the piston, the butting block is located between the spring seat and the first valve port, the piston is sleeved with the first spring, and one end, far away from the spring seat, of the first spring is connected with the butting block.
Optionally, the cannula comprises:
a base pipe; and
the valve sleeve is partially arranged in the base pipe, the valve sleeve is arranged in a sliding manner along the axial direction of the base pipe, the valve sleeve is connected with the insertion pipe in a sealing manner, the thimble is sleeved on the valve sleeve, a second valve port is formed at one end, far away from the base pipe, of the valve sleeve, the thimble is provided with a plug matched with the second valve port, and the plug is positioned at one side, far away from the base pipe, of the valve sleeve;
the second elastic reset piece is arranged in the base pipe and connected with the valve sleeve so as to drive the valve sleeve to be connected with the plug;
the inner surface of the mounting pipe forms a limiting bulge, the limiting bulge is used for abutting against the valve sleeve, and the valve sleeve is provided with a third station and a fourth station, wherein the third station abuts against the limiting bulge to open the second valve port, and the fourth station abuts against the plug.
Optionally, the second elastic restoring member includes:
the fixing frame is arranged on the inner surface of the base pipe, and the ejector pin is connected with the fixing frame;
and one end of the second spring is connected with the valve sleeve, the other end of the second spring is connected with the fixing frame, and the second spring is positioned on one side of the fixing frame, which is close to the male connector.
Optionally, the outer surface of the base pipe is provided with a mounting groove, and one end of the nut, which is far away from the male connector, is at least partially rotatably arranged in the mounting groove.
Optionally, the cannula comprises:
a base pipe; and
a valve sleeve, part of which is arranged in the base pipe, the valve sleeve is arranged along the axial direction of the base pipe in a sliding way, the valve sleeve is connected with the insertion pipe in a sealing way, one end of the valve sleeve, which is far away from the base pipe, is provided with a second valve port,
the thimble is arranged in the valve sleeve and connected with the base pipe, the thimble is provided with a plug matched with the second valve port, and the plug is positioned on one side of the valve sleeve, which is far away from the base pipe;
the second elastic reset piece is arranged in the base pipe and connected with the valve sleeve so as to drive the valve sleeve to be connected with the plug;
the inner surface of the male connector forms a limiting bulge, the limiting bulge is used for abutting against the valve sleeve, and the valve sleeve is provided with a third station and a fourth station, wherein the third station abuts against the limiting bulge to open the second valve port, and the fourth station abuts against the plug.
The utility model also provides a connecting pipe subassembly, include: the working medium pipe assembly comprises the working medium pipe quick connector and is used for connecting an indoor unit of an air conditioner and an outdoor unit of the air conditioner.
Optionally, the connecting tube assembly further comprises: the electric wire, the drain pipe and the ribbon binding the working medium pipe assembly, the electric wire and the water pipe.
The utility model discloses still provide a vehicle air conditioner, vehicle air conditioner includes:
the air-conditioning indoor unit is used for being installed in a vehicle body of an automobile;
the air conditioner outdoor unit is used for being mounted on the outer surface of the automobile body of the automobile; and the number of the first and second groups,
the working medium pipe assembly comprises the working medium pipe quick connector, and the working medium pipe assembly is used for penetrating through the vehicle body to connect the indoor unit of the air conditioner and the outdoor unit of the air conditioner.
According to the technical scheme of the utility model, the nut of the female joint is matched with the male joint, the inserting pipe of the female joint extends into the male joint, the outer surface of the inserting pipe is abutted against the inner surface of the male joint, so that the abutting area between the inserting pipe and the male joint is favorably increased, and the connection tightness between the inserting pipe and the male joint is improved; the nut rotates and can be adjusted the nut extrusion the pressure size of male joint, consequently, can make through rotating the nut the male joint with the butt is inseparabler between the intubate, be favorable to promoting the male joint with the seal of being connected between the female joint. In addition, when the male connector and the female connector are installed, the insertion pipe is inserted into the male connector, the female connector is prepositioned, then the nut is rotated to fasten the male connector, when the male connector and the female connector are disassembled, the nut is only required to be loosened, then the female connector is pulled out, and the male connector and the female connector are simply and conveniently disassembled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a front view of a first class of embodiments of the working medium tube quick connector of the present invention in an assembled state with a working medium tube;
FIG. 2 is a cross-sectional view of the fast-connect piece of the working tube of FIG. 1;
FIG. 3 is a front view of a second type of embodiment of the working medium tube quick connector of the present invention in an assembled state with the working medium tube;
FIG. 4 is a cross-sectional view of the fast-connect piece of the working tube of FIG. 3;
FIG. 5 is a front view of a third embodiment of the working medium pipe quick connector of the present invention;
FIG. 6 is a cross-sectional view taken at A10-A10 of FIG. 5;
FIG. 7 is a schematic structural view of the male connector of FIG. 5;
fig. 8 is a schematic structural view of the female connector in fig. 5.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a working medium pipe union piece soon.
In the embodiment of the present invention, as shown in fig. 1 to 8, the working medium pipe quick connector 500 includes: the male connector 510 and the female connector 520, wherein the outer surface of the male connector 510 is provided with threads; the female joint 520 comprises a cannula 521 and a nut 522 connected to the outer surface of the cannula 521, the cannula 521 extends into the male joint 510, the cannula 521 is in sealing abutment with the male joint 510, and the nut 522 is in threaded connection with the male joint 510. When the male connector 510 and the female connector 520 are installed, the cannula 521 is inserted into the male connector 510, and then the nut 522 is rotated, so that the nut 522 is in threaded connection with the male connector 510; when the working medium pipe quick connector 500 is disassembled, the nut 522 is rotated, so that the nut 522 is loosened, and then the insertion pipe 521 is pulled out of the male connector 510. The nut 522 presses the male connector 510, so that the male connector 510 and the cannula 521 are tightly abutted, and the male connector 510 and the female connector 520 are hermetically connected.
The technical scheme of the utility model, the nut 522 that adopts female joint 520 cooperates male joint 510, stretches into female joint 520's intubate 521 in the male joint 510, the surface of intubate 521 with the internal surface butt of male joint 510 is favorable to promoting the intubate 521 with the butt area between the male joint 510 is big to promote the leakproofness of the connection between intubate 521 and the male joint 510; the rotation of the nut 522 can adjust the pressure of the nut 522 pressing the male joint 510, so that the male joint 510 can be tightly abutted to the insertion pipe 521 by rotating the nut 522, which is beneficial to improving the tightness of the connection between the male joint 510 and the female joint 520. In addition, when the male connector 510 and the female connector 520 are assembled, the cannula 521 is inserted into the male connector 510 to pre-position the female connector 520, and then the nut 522 is rotated to fasten the male connector 510 and the female connector 520, and when the male connector 510 and the female connector 520 are disassembled, only the nut 522 is required to be loosened, and then the female connector 520 is required to be pulled out, so that the male connector 510 and the female connector 520 can be disassembled simply and conveniently.
Further, in the first type of embodiment of this embodiment, as shown in fig. 2, an end of the nut 522 away from the male connector 510 has a flange 523 extending toward an axis of the nut 522, and the flange 523 annularly surrounds the insertion tube 521. The flange 523 is beneficial to keeping an installation space for the male connector 510 to insert between the nut 522 and the insertion pipe 521, facilitating the butt joint between the male connector 510 and the female connector 520, and improving the assembling efficiency of the male connector 510 and the female connector 520. Specifically, in this embodiment, the insertion tube 521 is rotatably sleeved with the turned edge 523, and the rotation of the nut 522 is not limited by the insertion tube 521, so that the nut 522 and the male connector 510 can be conveniently disassembled and assembled. Of course, in other embodiments, the turned-over edge 523 may also be fixedly connected to the insertion tube 521, and the turned-over edge 523 rotates along with the insertion tube 521, so that the male connector 510 and the female connector 520 can be quickly disassembled and assembled.
Further, in the first type of embodiment, as shown in fig. 2, an annular surface of the flange 523 close to the male connector 510 is matched with an end surface of the male connector 510 close to the flange 523, so that the end surface of the male connector 510 is attached to the annular surface in an assembled state of the male connector 510 and the female connector 520. The free end of the male connector 510 abuts against the flange 523 in a fit manner, so that the assembly precision of the male connector 510 and the nut 522 is improved, when the free end of the male connector 510 abuts against the flange 523, the nut 522 is assembled in place without further rotation, and the free end of the male connector 510 and the flange 523 are in surface contact, so that the pressure on the annular surface is reduced, and the flange 523 is protected.
Further, in the first embodiment, as shown in fig. 2, the male connector 510 is adjacent to the end surface of the flange 523 and extends toward the axis of the male connector 510 in the direction from the male connector 510 to the flange 523. Specifically, the outer diameter of the free end of the male connector 510 gradually decreases along the direction from the male connector 510 to the flange 523. When the nut 522 rotates in the direction of fastening the male connector 510, the flange 523 applies an external force to the free end of the male connector 510, so that the free end of the male connector 510 tends to deform in the direction toward the insertion tube 521, which is beneficial to making the connection between the male connector 510 and the insertion tube 521 tighter and enhancing the sealing performance of the connection between the male connector 510 and the female connector 520.
Further, in the first type of embodiment, as shown in fig. 2, the inner surface of the nut 522 is provided with an annular groove 590 disposed around the axis of the nut 522, and the annular groove 590 abuts the flange 523. After the male connector 510 and the female connector 520 are assembled, the free end of the male connector 510 abuts against the flange 523, and the annular groove 590 provides a space for the deformation of the free end, so that the free end can be effectively prevented from being damaged when the nut 522 is fastened; in addition, when impurities enter the nut 522, the impurities are pushed into the ring groove 590 in the process of transferring the nut 522, and the function of protecting the nut 522 and the male joint 510 is achieved.
Further, in the first class of embodiments, as shown in fig. 2, the male connector 510 includes: a flow supply section 511 and a butt-joint section 512, wherein the inner diameter of the flow supply section 511 is smaller than the outer diameter of the insertion pipe 521; and the end part of the flow supply section 511 close to the female joint 520 is connected, the inner diameter of the butt joint section 512 is larger than that of the flow supply section 511, a first step surface 514 is formed at the connection part of the flow supply section 511 and the butt joint section 512, the insertion pipe 521 is inserted into the butt joint section 512, and the end part of the insertion pipe 521 abuts against the first step surface 514. The first step surface 514 has a limiting function, when the insertion pipe 521 is inserted into the male connector 510, the insertion pipe 521 abuts against the first step surface 514 to indicate that the insertion pipe 521 is assembled in place, and then the nut 522 can be rotated to fasten the male connector 510, so that the male connector 510 and the female connector 520 can be conveniently butted. In addition, the inner diameter of the butt-joint section 512 is larger than that of the flow supply section 511, so that the butt-joint section 512 has more space for the insertion pipe 521 to mount, which is beneficial to enabling the inner diameters of the flow supply section 511 and the insertion pipe to be closer to each other after the male joint 510 and the female joint 520 are connected, and enabling the working medium to flow in the male joint 510 and the female joint 520 more stably. Furthermore, the first step surface 514 increases the abutting area between the insertion tube 521 and the male joint 510, which is beneficial to enhancing the tightness of the connection between the insertion tube 521 and the male joint 510.
Further, in the first embodiment, as shown in fig. 2, the inner diameter of the butt-joint section 512 gradually increases along the direction from the butt-joint section 512 to the female joint 520. Specifically, the butt joint section 512 is flared, and the butt joint section 512 has a guiding function, so that the insertion tube 521 can be conveniently inserted into the butt joint section 512, and the assembling efficiency of the male joint 510 and the female joint 520 can be improved.
Further, in the first class of embodiments, as shown in fig. 2, the male joint 510 further includes a mounting section 513, the mounting section 513 is connected to an end of the docking section 512 far from the flow supply section 511, an inner diameter of the mounting section 513 is larger than an inner diameter of the docking section 512, a first sealing ring 560 is disposed in the mounting section 513, and the first sealing ring 560 is in sealing abutment with both the insertion tube 521 and the mounting section 513. The nut 522 is rotated to enable the mounting section 513 and the insertion tube 521 to press the first sealing ring 560, and the first sealing ring 560 can further enhance the sealing effect of the connection between the insertion tube 521 and the male connector 510. The inner diameter of the mounting section 513 is larger than that of the convection section, so that the first sealing ring 560 has a mounting space in the mounting section 513, and the first sealing ring 560 is conveniently mounted.
In a second class of embodiments of this embodiment, as shown in fig. 3 and 4, a protruding ring 550 is disposed on an outer surface of the cannula 521, the protruding ring 550 is disposed in a ring shape around an axis of the cannula 521, the protruding ring 550 is located on a side of the flange 523 close to the male connector 510, an outer diameter of the protruding ring 550 is larger than an inner diameter of the flange 523, and when the nut 522 is installed, the flange 523 can push the protruding ring 550, so that the cannula 521 is inserted into the male connector 510. Therefore, when the male joint 510 and the female joint 520 are assembled, as long as the obtained nut 522 rotates in place, the insertion tube 521 and the male joint 510 can be assembled in place, which is beneficial to improving the assembling efficiency of the male joint 510 and the female joint 520.
Further, in the second type of embodiment, as shown in fig. 4, the surface of the convex ring 550 close to the flange 523 is matched with the annular surface of the flange 523 close to the male joint 510, so that the convex ring 550 is attached to the annular surface in the assembled state of the male joint 510 and the female joint 520. The convex ring 550 is matched with the annular surface, so that the assembly precision of the insertion pipe 521 is improved, and it can be understood that the insertion pipe 521 is limited in the position of the male connector 510 through the convex ring 550, and the matching precision between the thread and the convex ring 550 is high, so that the position precision of the insertion pipe 521 installed in the male connector 510 can be effectively improved.
Further, in the second type of embodiment, as shown in fig. 4, a surface of the protruding ring 550 away from the flange 523 is matched with an end surface of the male connector 510 close to the flange 523, so that in an assembled state of the male connector 510 and the female connector 520, the protruding ring 550 is attached to the end surface of the male connector 510 close to the flange 523. Specifically, one side surface of the convex ring 550 is adapted to the flange 523, and the other side surface is adapted to the free end of the male joint 510, so that on one hand, the assembling precision between the male joint 510 and the female joint 520 can be effectively improved, and on the other hand, the convex ring 550 and the male joint 510 can be connected tightly, and it can be understood that when the nut 522 rotates to fasten the male joint 510, the flange 523 of the nut 522 pushes the convex ring 550 to move towards the free end of the male joint 510, so that the free end of the male joint 510 and the convex ring 550 can be tightly abutted, and thus the connection between the male joint 510 and the insertion tube 521 is tighter, and the sealing performance of the connection between the male joint 510 and the female joint 520 is enhanced. Further, the convex ring 550 is close to the surface of the flange 523 and extends towards the insertion tube 521 along the direction from the male connector 510 to the flange 523, and the convex ring 550 is close to the surface of the male connector 510 and extends towards the insertion tube 521 along the direction from the flange 523 to the male connector 510.
Further, in the second class of embodiments, as shown in fig. 4, the quick connect plug assembly further includes a second sealing ring 570, the second sealing ring 570 is disposed between the cannula 521 and the male connector 510, and the second sealing ring 570 is in sealing abutment with both the cannula 521 and the male connector 510. When the nut 522 is screwed to the male connector 510, the male connector 510 is driven to extrude the second sealing ring 570, so that the second sealing ring 570 is tightly abutted to the male connector 510 and the insertion tube 521, which is beneficial to ensuring the sealing performance of the connection between the male connector 510 and the insertion tube 521.
Further, in the second type of embodiment, as shown in fig. 4, the outer surface of the insertion pipe 521 is provided with an annular mounting groove 524, the mounting groove 524 is located on one side of the flange 523 close to the male connector 510, and the second sealing ring 570 is disposed in the mounting groove 524. The mounting groove 524 has a function of fixing the position of the second sealing ring 570, and ensures that the second sealing ring 570 can be located between the insert pipe 521 and the male joint 510 after the male joint 510 and the female joint 520 are assembled, so as to ensure that the second sealing ring 570 can effectively play a role in sealing, in addition, the mounting groove 524 enables the second sealing ring 570 to have a deformation space, so that the second sealing ring 570 can be prevented from causing a gap between the male joint 510 and the insert pipe 521, that is, while the second sealing ring 570 is tightly abutted against the male joint 510 and the insert pipe 521, the inner surface of the male joint 510 can also be tightly abutted against the outer surface of the plug, thereby having a double sealing effect and effectively ensuring the sealing performance of the male joint 510 and the female joint 520.
Further, in a third class of embodiments of the present invention, as shown in fig. 5 to 8, the male connector 510 includes: the valve comprises a mounting pipe 515, a piston 518 and a first elastic resetting piece 530, wherein the mounting pipe 515 is provided with threads on the outer surface of the mounting pipe 515, a first valve port 516 is formed inside the mounting pipe 515, and specifically, a clamping ring is arranged on the inner surface of the mounting pipe 515 and forms the first valve port 516; a piston 518 is installed in the installation pipe 515, and the piston 518 movably covers the first valve port 516; a first elastic restoring member 530 is installed in the installation tube 515, and the first elastic restoring member 530 is connected with the piston 518 to drive the piston 518 to cover the first valve port 516; the female connector 520 further comprises a spike 528 disposed within the insertion tube 521, the spike 528 being adapted to abut against the piston 518, the piston 518 having a first position in which the spike 528 abuts to open the first valve port 516 and a second position in which the first valve port 516 is closed. Specifically, before the male connector 510 is not installed, the first elastic restoring element 530 drives the piston 518 to close the first valve port 516, and after the male connector 510 is assembled with the female connector 520, the needle 528 abuts against the piston 518 to push the piston 518 to move, so that the piston 518 opens the first valve port 516, and the male connector 510 is communicated with the female connector 520. Therefore, the male connector 510 is only conducted in an assembly state, so that the working medium pipe connected with the male connector 510 can be directly assembled even if working medium is reserved inside the working medium pipe, the working medium pipe does not need to be added with the working medium after the male connector 510 is installed, and the male connector has the advantage of being convenient to operate. Especially, when the quick connector is applied to an automobile air conditioner, the pipeline may break down at any place due to the fact that the automobile air conditioner is bumpy for a long time, and the quick connector 500 of the working medium pipe in the embodiment is convenient for overhauling the pipeline anytime and anywhere, and the quick connector does not need to worry about working medium leakage at the end of the male connector 510, so that the quick connector has the characteristic of being convenient to disassemble, assemble and overhaul.
Further, in a third class of embodiments, as shown in fig. 6 and 7, the piston 518 is axially slidably mounted in the mounting tube 515 along the mounting tube 515. After the piston 518 is abutted by the ejector pin 528, the piston 518 slides along the axis of the mounting tube 515 in a direction away from the insertion tube 521, and after the ejector pin 528 is released, the piston 518 slides along the axis of the mounting tube 515 in a direction close to the insertion tube 521 under the action of the first elastic restoring piece 530. Since the movement direction of the thimble 528 moves along the axial direction of the mounting tube 515 when the insertion tube 521 is inserted into the male connector 510, the movement directions of the piston 518 and the thimble 528 are consistent, which is beneficial to make the thimble 528 reliably and continuously abut against the piston 518. Of course, the piston 518 is not limited to the above technical solution, and in other embodiments, the piston 518 may be rotatably connected to the installation tube 515, so that the piston 518 is convenient to install.
Further, in a third class of embodiments, as shown in fig. 6 and 7, the first elastic restoring member 530 includes: a spring seat 531, and a first spring 532, wherein the spring seat 531 is connected with the mounting tube 515, and the spring seat 531 is located on a side of the first valve port 516 away from the insertion tube 521; one end of the first spring 532 is connected to the spring seat 531, and the other end is connected to the piston 518. When the thimble 528 abuts against the piston 518, the first spring 532 is stressed to contract, and when the thimble 528 is released, the first spring 532 rebounds to push the piston 518 to close the first valve port 516, so that the male connector 510 is closed, and the characteristic of stable opening and closing of the piston 518 is achieved.
Further, in the third class of embodiments, as shown in fig. 6 and 7, an abutting block 519 is protruded from a surface of the piston 518, the abutting block 519 is located between the spring seat 531 and the first valve port 516, the first spring 532 is sleeved on the piston 518, and an end of the first spring 532, which is away from the spring seat 531, is connected to the abutting block 519. The butt is used for butt the first spring 532, has the convenience the advantage of first spring 532 installation, and is favorable to first spring 532 stably installs.
Further, in a third class of embodiments, as shown in fig. 6 and 7, the male connector 510 further includes a third sealing ring 580 sleeved on the piston 518, and the third sealing ring 580 is configured to abut against a wall surface of the first valve port 516. The third sealing ring 580 is used for enhancing the sealing effect of the piston 518 on the first valve port 516, and ensuring that working medium does not leak when the male joint 510 is not assembled.
Further, in a third class of embodiments, as shown in fig. 6 and 7, the cannula 521 includes: the base pipe 525, the valve sleeve 526 and the second elastic resetting piece 540, wherein part of the valve sleeve 526 is arranged in the base pipe 525, the valve sleeve 526 is arranged in a sliding manner along the axial direction of the base pipe 525, the valve sleeve 526 is connected with the cannula 521 in a sealing manner, the valve sleeve 526 is sleeved on the thimble 528, a second valve port 527 is formed at one end of the valve sleeve 526 far away from the base pipe 525, the thimble 528 has a plug 529 matched with the second valve port 527, and the plug 529 is located at one side of the valve sleeve 526 far away from the base pipe 525; a second resilient return member 540 mounted within the base pipe 525, the second resilient return member 540 being coupled to the valve sleeve 526 to actuate the valve sleeve 526 to connect with the plug 529; the inner surface of the mounting tube 515 is formed with a stopper protrusion 517, the stopper protrusion 517 is adapted to abut against the valve sleeve 526, and the valve sleeve 526 has a third position abutting against the stopper protrusion 517 to open the second valve port 527, and a fourth position abutting against the plug 529. The second resilient return member 540 tends to push the valve sleeve 526 out of the base pipe 525, so that when the female connector 520 is assembled, the second return spring pushes the valve sleeve 526, so that the plug 529 blocks the second valve port 527 of the valve sleeve 526, so that the female plug remains closed when the female plug is not assembled. When the female plug is assembled with the male plug, the valve sleeve 526 of the female plug is pressed by the limit protrusion 517 and shrinks towards the inside of the base pipe 525, so that the second valve port 527 is opened, and the female joint 520 is conducted. Therefore, when the female connector 520 abuts against the male connector 510, the female connector 520 and the male connector 510 are electrically connected. Therefore, the application of the female joint 520 and the male joint 510 can greatly facilitate the installation and the disassembly of the working medium pipe, before the female joint 520 and the male joint 510 are disassembled, the working medium does not need to be controlled in advance, after the female joint 520 and the male joint 510 are butted, the valve sleeve 526 is located at the third station, the piston 518 is located at the first station, and the female joint 520 and the male joint 510 are automatically conducted without separately vacuumizing.
Further, in a third class of embodiments, as shown in fig. 6 and 8, the second elastic restoring member 540 includes: the fixing frame 541 and the second spring 542 are connected, and the fixing frame 541 is connected with the sleeve; one end of the second spring 542 is connected to the fixing frame 541, and the other end is connected to the valve sleeve 526, and the second spring 542 is located on one side of the fixing frame 541 close to the male connector 510. The fixing frame 541 is arranged to facilitate installation convenience of the second spring 542. The second spring 542 tends to urge the valve body such that the second valve port 527 is closed by the plug 529. The spring is arranged on the driving piece, so that the device has the advantage of small influence on the flow of the working medium. More specifically, a thimble 528 is arranged in the base pipe 525 of the female joint 520, the thimble 528 is connected with the base pipe 525 through a fixing frame 541, the second spring 542 is connected with the base pipe 525 through the fixing frame 541, the plug 529 is arranged at one end of the thimble 528, and the thimble 528 is sleeved with the second spring 542, so that the characteristic that the second spring 542 is stably installed is provided.
Further, in a third type of embodiment, as shown in fig. 6 and 8, the female joint 520 further includes a fourth sealing ring, which is mounted on the outer surface of the plug 529 and is configured to abut against the wall surface of the second valve port 527. The fourth sealing ring can effectively improve the sealing performance between the hair cover and the second valve port 527.
Further, in a third class of embodiments, as shown in fig. 6 and 8, the outer surface of the base pipe 525 is provided with a mounting groove 524, and an end of the nut 522 away from the male connector 510 is at least partially rotatably disposed in the mounting groove 524. Specifically, a flange 523 extending towards the base pipe 525 is arranged at one end of the nut 522 away from the male joint 510, the flange 523 is matched with the mounting groove 524, the nut 522 is fixed in the mounting groove 524, so that the nut 522 is convenient to mount, the nut 522 can push the ejector pin 528 to jack the piston 518 and push the limiting protrusion 517 to jack the valve sleeve 526 while being fastened and rotated, and the first valve port 516 and the second valve port 527 are communicated.
The utility model also provides a connecting pipe subassembly, this connecting pipe subassembly includes the working medium pipe subassembly, the working medium pipe subassembly includes the quick-witted fast-connected components, and this working medium pipe quick-connected components 500's concrete structure refers to above-mentioned embodiment, because this connecting pipe subassembly has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The working medium pipe assembly is used for connecting an air conditioner outdoor unit and an air conditioner indoor unit.
Further, in this embodiment, the connection pipe assembly further includes: the electric wire, the water pipe and the ribbon binding the working medium pipe assembly, the electric wire and the water pipe. The cable tie is used for connecting the working medium pipe assembly, the electric wire and the water pipe together and has the function of arranging lines. The working medium pipe assembly comprises a rubber pipe, the rubber pipe is connected with the working medium pipe quick connector 500, and the rubber pipe, the electric wire and the water pipe are flexible, so that the connecting pipe assembly has good bending performance, is convenient to install according to the construction situation on site, and has a good damping function, and noise reduction is facilitated.
The present invention further provides an automotive air conditioner, which includes an air conditioner indoor unit, an air conditioner outdoor unit and a connecting pipe assembly, wherein the specific structure of the connecting pipe assembly refers to the above embodiments, and the connecting pipe assembly adopts all technical solutions of all the above embodiments, so that the automotive air conditioner at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein. The air conditioner indoor unit is arranged in a vehicle body; the air conditioner outdoor unit is used for being mounted on the outer surface of the vehicle body; and the connecting pipe assembly is used for penetrating through the vehicle body so as to connect the air conditioner indoor unit and the air conditioner outdoor unit.
Further, the automobile air conditioner also comprises a working medium, the working medium pipe assembly is used for conveying the working medium, and the working pressure of the working medium is less than or equal to 5 MPa. More specifically, the refrigerant is an R134a type refrigerant, and the R134a type refrigerant has a low pressure characteristic. Of course, the refrigerant described in the present embodiment may be an R410A type refrigerant, an R22 type refrigerant, or the like. Specifically, the R22 type refrigerant mainly comprises CHClF2The R410A refrigerant mainly comprises difluoromethane and pentafluoroethane, and the R32 refrigerant mainly comprises CH2F2The R134a refrigerant mainly comprises CH2FCF3. The components of the refrigerant comprise organic micromolecules, and the organic micromolecules are easy to enter into organic materials, so that the rubber pipe with a multilayer structure is adopted in the application, the rubber pipe has good flexibility and shock absorption performance, and meanwhile has better sealing performance, the dissipation of micromolecule refrigerants is reduced or avoided, the working pressure of the R134a type refrigerant is low, the dissipation is not easy to occur through the rubber pipe, and therefore the rubber pipe is used for communicating the R134a type refrigerant.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (19)
1. A working medium pipe quick-connecting piece is characterized by comprising:
the outer surface of the male connector is provided with threads;
the female joint comprises an insertion pipe and a nut connected to the outer surface of the insertion pipe, the insertion pipe extends into the male joint, the insertion pipe is in sealing butt joint with the male joint, and the nut is in threaded connection with the male joint.
2. The working medium pipe quick connector according to claim 1, wherein one end of the nut, which is far away from the male connector, is provided with a flange extending towards the axis of the nut, and the flange is annularly sleeved on the insertion pipe.
3. The working medium pipe quick connector according to claim 2, wherein the annular surface of the flange close to the male connector is matched with the end surface of the male connector close to the flange, so that the end surface of the male connector is attached to the annular surface in the state that the male connector is assembled with the female connector.
4. Working medium pipe quick-connect according to claim 3, characterized in that the male connector, close to the end face of the flange, extends offset to the axis of the male connector in the direction of the male connector to the flange.
5. Working fluid pipe quick connector according to claim 1, characterized in that the male connector comprises:
a flow supply section having an inner diameter smaller than an outer diameter of the cannula; and the number of the first and second groups,
the butt joint section is connected to the end part, close to the female joint, of the flow supply section, the inner diameter of the butt joint section is larger than that of the flow supply section, a first step surface is formed at the joint of the flow supply section and the butt joint section, the insertion pipe is inserted into the butt joint section, and the end part of the insertion pipe is abutted to the first step surface.
6. The working medium pipe quick connector according to claim 5, wherein the male connector further comprises an installation section, the installation section is connected to the end portion, far away from the flow supply section, of the butt joint section, the inner diameter of the installation section is larger than that of the butt joint section, a first sealing ring is arranged in the installation section, and the first sealing ring is in sealing and abutting connection with the insertion pipe and the installation section.
7. The working medium pipe quick connector according to claim 2, wherein the outer surface of the insertion pipe is provided with a convex ring, the convex ring is arranged around the axis of the insertion pipe, the convex ring is positioned on one side of the flange close to the male connector, and the outer diameter of the convex ring is larger than the inner diameter of the flange.
8. The working medium pipe quick connector according to claim 7, wherein the surface of the convex ring close to the flange is matched with the annular surface of the flange close to the male connector, so that the convex ring is attached to the annular surface in the state that the male connector is assembled with the female connector.
9. The working medium pipe quick connector according to claim 8, wherein the surface of the convex ring away from the flange is matched with the end surface of the male connector close to the flange, so that the convex ring is attached to the end surface of the male connector close to the flange in the assembled state of the male connector and the female connector.
10. Working fluid pipe quick connector according to claim 2, characterized in that the male connector comprises:
the thread is arranged on the outer surface of the mounting pipe, and a first valve port is formed in the mounting pipe;
the piston is arranged in the mounting pipe and movably covers the first valve port; and the number of the first and second groups,
the first elastic resetting piece is arranged in the mounting pipe and connected with the piston so as to drive the piston to cover the first valve port;
the female joint further comprises an ejector pin arranged in the insertion pipe, the ejector pin is used for abutting against the piston, and the piston is provided with a first station and a second station, wherein the first station abuts against the ejector pin to open the first valve port, and the second station seals the first valve port.
11. The working fluid tube quick connector of claim 10, wherein said piston is axially slidably mounted in said mounting tube along said mounting tube.
12. The working fluid tube quick connector of claim 10, wherein said first resilient return member comprises:
the spring seat is connected with the mounting pipe and is positioned on one side, away from the insertion pipe, of the first valve port;
and one end of the first spring is connected with the spring seat, and the other end of the first spring is connected with the piston.
13. The working medium pipe quick connector according to claim 12, wherein an abutting block is convexly arranged on the surface of the piston, the abutting block is located between the spring seat and the first valve port, the piston is sleeved with the first spring, and one end, away from the spring seat, of the first spring is connected with the abutting block.
14. Working fluid pipe quick connector according to claim 10, characterized in that the cannula comprises:
a base pipe; and
the valve sleeve is partially arranged in the base pipe, the valve sleeve is arranged in a sliding manner along the axial direction of the base pipe, the valve sleeve is connected with the insertion pipe in a sealing manner, the thimble is sleeved on the valve sleeve, a second valve port is formed at one end, far away from the base pipe, of the valve sleeve, the thimble is provided with a plug matched with the second valve port, and the plug is positioned at one side, far away from the base pipe, of the valve sleeve;
the second elastic reset piece is arranged in the base pipe and connected with the valve sleeve so as to drive the valve sleeve to be connected with the plug;
the inner surface of the mounting pipe forms a limiting bulge, the limiting bulge is used for abutting against the valve sleeve, and the valve sleeve is provided with a third station and a fourth station, wherein the third station abuts against the limiting bulge to open the second valve port, and the fourth station abuts against the plug.
15. The working fluid tube quick connector of claim 14, wherein said second resilient return member comprises:
the fixing frame is arranged on the inner surface of the base pipe, and the ejector pin is connected with the fixing frame;
and one end of the second spring is connected with the valve sleeve, the other end of the second spring is connected with the fixing frame, and the second spring is positioned on one side of the fixing frame, which is close to the male connector.
16. The working fluid tube quick connector of claim 14, wherein the outer surface of the base tube is provided with an installation groove, and an end of the nut remote from the male connector is at least partially rotatably disposed within the installation groove.
17. A connecting tube assembly, comprising: a working fluid tube assembly comprising a working fluid tube quick connector as claimed in any one of claims 1 to 16 for connecting an indoor unit of an air conditioner to an outdoor unit of an air conditioner.
18. The connector tube assembly of claim 17, further comprising: the electric wire, the drain pipe and the ribbon binding the working medium pipe assembly, the electric wire and the water pipe.
19. An air conditioner for a vehicle, comprising:
the air-conditioning indoor unit is used for being installed in a vehicle body of an automobile;
the air conditioner outdoor unit is used for being installed on the outer surface of the vehicle body; and the number of the first and second groups,
a working medium pipe assembly comprising the working medium pipe quick connector as claimed in any one of claims 1 to 16, the working medium pipe assembly being adapted to be inserted through the vehicle body to connect the indoor unit of the air conditioner and the outdoor unit of the air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020507327.9U CN212131601U (en) | 2020-04-08 | 2020-04-08 | Working medium pipe quick connector, connecting pipe assembly and automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020507327.9U CN212131601U (en) | 2020-04-08 | 2020-04-08 | Working medium pipe quick connector, connecting pipe assembly and automobile air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131601U true CN212131601U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020507327.9U Active CN212131601U (en) | 2020-04-08 | 2020-04-08 | Working medium pipe quick connector, connecting pipe assembly and automobile air conditioner |
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| Country | Link |
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| CN (1) | CN212131601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379910A (en) * | 2020-04-08 | 2020-07-07 | 广东美的制冷设备有限公司 | Working medium pipe quick connector, connecting pipe assembly and automobile air conditioner |
-
2020
- 2020-04-08 CN CN202020507327.9U patent/CN212131601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379910A (en) * | 2020-04-08 | 2020-07-07 | 广东美的制冷设备有限公司 | Working medium pipe quick connector, connecting pipe assembly and automobile air conditioner |
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