CN212509974U - Working medium pipe male joint, female joint, quick connector, connecting pipe assembly and automobile air conditioner - Google Patents
Working medium pipe male joint, female joint, quick connector, connecting pipe assembly and automobile air conditioner Download PDFInfo
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- CN212509974U CN212509974U CN202020507296.7U CN202020507296U CN212509974U CN 212509974 U CN212509974 U CN 212509974U CN 202020507296 U CN202020507296 U CN 202020507296U CN 212509974 U CN212509974 U CN 212509974U
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- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a working medium pipe male joint, a working medium pipe female joint, a working medium pipe quick connector, a connecting pipe assembly and an automobile air conditioner, wherein the working medium pipe male joint comprises an installation pipe, a piston and a first elastic reset piece, the outer surface of the installation pipe is provided with a thread, and a first valve port is formed inside the installation pipe; a piston is arranged in the mounting pipe, and the piston movably covers the first valve port; and 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 utility model discloses technical scheme has the characteristics of make things convenient for in the dismouting of working medium pipe.
Description
Technical Field
The utility model relates to a working medium pipe field, in particular to working medium pipe male joint, working medium pipe female joint and working medium pipe union piece soon.
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 maintenance of the working medium pipe is high, the maintenance position is not fixed, and the working medium pipe is still required to be closed firstly when being disassembled, so that inconvenience is brought to the maintenance of the working medium pipe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a working medium manages male joint aims at promoting the convenience of working medium pipe dismouting and maintenance.
In order to achieve the above object, the utility model provides a working medium pipe male joint, include:
the outer surface of the mounting pipe is provided with threads, and a first valve port is formed inside 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 to drive the piston to cover the first valve port.
Optionally, the piston is axially slidably mounted within the mounting tube along the mounting tube.
Optionally, the inner surface of the mounting tube is provided with a snap ring disposed around the axis of the mounting tube, the snap ring forming the first valve port.
Optionally, the working medium pipe male joint further comprises a sealing ring sleeved on the piston, and the sealing ring is used for abutting against the inner surface of the clamping ring.
Optionally, the first elastic restoring member includes:
a spring seat connected with the mounting tube;
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 mounting tube is formed with a first cavity between the spring seat and the first valve port, the abutment block being located in the first cavity; the aspect ratio of the first cavity is greater than or equal to 0.8.
The utility model also provides a working medium pipe box for with the butt joint of working medium pipe male joint, the working medium pipe box includes that intubate is in with the connection the intubate surface nut, the intubate includes:
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 base pipe in a sealing manner, the thimble is sleeved on the valve sleeve, and a second valve port is formed at one end, far away from the base pipe, of the valve sleeve;
the thimble is arranged in the cannula, the valve sleeve is sleeved with the thimble, 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;
and the second elastic resetting piece is arranged in the base pipe and is connected with the valve sleeve so as to drive the valve sleeve to be connected with 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 working medium pipe 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 working medium pipe male joint, is at least partially rotatably arranged in the mounting groove.
The utility model discloses still provide a working medium pipe union piece soon, include:
the working medium pipe male joint; and the number of the first and second groups,
the above-mentioned working medium pipe female joint; wherein,
the insertion tube is inserted into the installation tube, and the nut is matched with the thread of the installation tube;
the ejector pin is used for abutting against the piston, and the piston is provided with a first station which abuts against the ejector pin to open the first valve port and a second station which closes the first valve port;
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 limiting protrusion has an abutting surface for abutting against the valve sleeve, the mounting tube is formed with a second cavity located between the abutting surface and the first valve port, in the third station, the plug is located in the second cavity, and a length-diameter ratio of the second cavity is greater than or equal to 0.8.
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 installed on the outer surface of the vehicle body; 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 piston is matched with the first elastic reset piece, so that the working medium pipe male joint is in an uninstalled state, the first elastic reset piece drives the piston to close the first valve port, and the working medium pipe male joint is closed; when the working medium pipe male joint is in an assembly state, the piston can be pushed open by the female joint of the working medium pipe, so that the second valve port is opened, and therefore, the working medium pipe connected with the working medium pipe male joint does not need to be blocked in advance in the disassembly and assembly process, and the valve has the advantage of convenience in disassembly and assembly.
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 an embodiment of a working medium pipe quick connector of the present invention;
FIG. 2 is a cross-sectional view taken at A10-A10 of FIG. 1;
FIG. 3 is a schematic structural diagram of a working medium pipe male joint of the working medium pipe quick-connect component in FIG. 1;
fig. 4 is a schematic structural diagram of a working medium pipe female joint of the working medium pipe quick connector in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 500 | Working medium pipe |
510 | |
| 515 | |
516 | |
| 517 | |
518 | Piston |
| 519 | |
520 | |
| 521 | Cannula | 522 | |
| 523 | |
524 | |
| 525 | |
526 | Valve |
| 527 | |
528 | Thimble |
| 529 | |
530 | First |
| 531 | |
532 | |
| 540 | Second |
541 | |
| 542 | |
580 | |
| 591 | The |
592 | |
| 593 | Abutting surface |
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 male joint, working medium pipe male joint 510 is used for docking with working medium pipe female joint 520, working medium pipe male joint 510, the outer surface of working medium pipe male joint 510 is equipped with the screw thread; the working medium pipe female joint 520 comprises an insertion pipe 521 and a nut 522 connected to the outer surface of the insertion pipe 521, the insertion pipe 521 extends into the working medium pipe male joint 510, the insertion pipe 521 is in sealing abutting connection with the working medium pipe male joint 510, and the nut 522 is in threaded connection with the working medium pipe male joint 510. When the working medium pipe male joint 510 and the working medium pipe female joint 520 are installed, the insertion pipe 521 is inserted into the working medium pipe male joint 510, and then the nut 522 is rotated, so that the nut 522 is in threaded connection with the working medium pipe male joint 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 working medium pipe male connector 510. The nut 522 extrudes the working medium pipe male joint 510, so that the working medium pipe male joint 510 is tightly abutted to the insertion pipe 521, and the working medium pipe male joint 510 is hermetically connected with the working medium pipe female joint 520.
The working medium pipe male joint 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; before the working medium pipe male joint 510 is not installed, the first elastic resetting piece 530 drives the piston 518 to close the first valve port 516, and after the working medium pipe male joint 510 and the working medium pipe female joint 520 are assembled, the working medium pipe female joint 520 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 working medium pipe male joint 510 is communicated with the working medium pipe female joint 520. Therefore, the working medium pipe male joint 510 is only conducted in an assembly state, so that the working medium pipe connected with the working medium pipe male joint 510 can be directly assembled even if working medium is reserved inside, and the working medium is not added into the working medium pipe after the working medium pipe male joint 510 is installed; the working medium pipe pipeline at the male joint end of the working medium pipe does not need to be closed, the installation can be directly carried out, and the device has the characteristic of convenience in operation. 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 male connector 510 end of the working medium pipe, so that the quick connector has the characteristic of being convenient to disassemble, assemble and overhaul.
Further, in this embodiment, as shown in fig. 2 and 3, 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 direction of movement of the cannula 521 is also along the axial direction of the mounting tube 515 when the cannula 521 is inserted into the working medium tube male joint 510, the direction of movement of the piston 518 coincides with the direction of movement of the working medium tube female joint 520, which is beneficial to make the working medium tube female joint 520 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 this embodiment, as shown in fig. 2 and 3, 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 after 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 working medium pipe male connector 510 is closed, and the characteristic of stable opening and closing of the piston 518 is achieved.
Further, in the third embodiment, as shown in fig. 2 and 3, a contact block 519 is protruded from a surface of the piston 518, the contact block 519 is located between the spring seat 531 and the first valve port 516, the piston 518 is sleeved with the first spring 532, and an end of the first spring 532 away from the spring seat 531 is connected to the contact 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 this embodiment, as shown in fig. 2 and fig. 3, the working medium pipe male joint 510 further includes a sealing ring 580 sleeved on the piston 518, and the sealing ring 580 is configured to abut against a wall surface of the first valve port 516. The 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 working medium pipe male joint 510 is not assembled.
Further, in the present embodiment, the mounting tube 515 is formed with a first cavity 591 between the spring seat 531 and the first valve port 516, and the abutment block 519 is located in the first cavity 591 such that the abutment block 519 slides in the first cavity 591; the aspect ratio of the first chamber 591 is greater than or equal to 0.8. The length-diameter ratio of the first cavity 591 specifically refers to the ratio of the length L1 of the first cavity 591 in the axial direction of the mounting tube 515 to the maximum diameter of the first cavity 591. When the length-diameter ratio of the first cavity 591 is too small, the circulation capability of the working medium in the first cavity 591 is poor, which results in that the working medium is not smoothly circulated in the first cavity 591 in the state that the piston 518 opens the first valve port 516. Therefore, in the embodiment, the length-diameter ratio of the first cavity 591 is controlled to be greater than or equal to 0.8, so as to ensure the circulation performance of the working medium in the working medium pipe male joint 510.
The utility model provides a female joint of working medium pipe, as shown in figure 2, figure 4, including intubate 521 and the connection be in the nut 522 of intubate 521 surface, intubate 521 includes: the valve comprises a base pipe 525, a valve sleeve 526 and a 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 base pipe 525 in a sealing manner, the valve sleeve 526 is sleeved on a 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 is provided with a plug 529 matched with the second valve port 527, and the plug 529 is positioned 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 working medium pipe female connector 520 is not 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 when the working medium pipe female connector 520 is not assembled, the working medium pipe female connector 520 is kept in a sealed state. When the female plug is assembled with the male plug, the valve sleeve 526 of the female plug is pressed by the male joint 510 of the working medium pipe and shrinks towards the inside of the base pipe 525, so that the second valve port 527 is opened, and the female joint 520 of the working medium pipe is conducted. Therefore, after the working medium pipe female joint 520 abuts against the working medium pipe male joint 510, the working medium pipe female joint 520 is conducted with the working medium pipe male joint 510. Therefore, the application of the working medium pipe female joint 520 and the working medium pipe male joint 510 can be greatly convenient to install and detach with the working medium pipe.
Further, in this embodiment, as shown in fig. 2 and 4, 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, the other end of the second spring 542 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 working medium pipe male joint 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 sleeve 526 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 working medium pipe 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 achieved.
In another embodiment, the working medium female joint 520 is further provided with a sealing ring, the sealing ring is mounted on the outer surface of the plug 529, and the sealing ring is used for abutting 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 this embodiment, as shown in fig. 2 and 4, 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 working medium pipe male joint 510 is at least partially rotatably disposed in the mounting groove 524. Specifically, one end of the nut 522, which is far away from the working medium pipe male joint 510, is provided with a flange 523 extending towards the base pipe 525, the flange 523 is matched with the installation groove 524, and the nut 522 is fixed in the installation groove 524, so that the nut 522 is convenient to install.
The utility model provides a working medium pipe union piece, as shown in fig. 1 to fig. 4, this working medium pipe union piece includes working medium pipe female joint 520 and working medium pipe male joint 510, working medium pipe male joint 510 with the concrete structure of working medium pipe female joint 520 refers to above-mentioned embodiment, because this working medium pipe union piece has adopted all 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. Specifically, the insertion tube 521 is inserted into the installation tube 515, and the nut 522 is matched with the thread of the installation tube 515; the working medium pipe female joint 520 further comprises a thimble 528 arranged in the insertion pipe 521, the thimble 528 is used for propping against the piston 518, the piston 518 has a first position for propping against the thimble 528 to open the first valve port 516, and a second position for closing the first valve port 516; 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 technical scheme of the utility model, adopt nut 522 cooperation working medium pipe male joint 510 of working medium pipe female joint 520, stretch into working medium pipe male joint 510 with intubate 521 of working medium pipe female joint 520, the surface of intubate 521 with the internal surface butt of working medium pipe male joint 510 is favorable to promoting the butt area between intubate 521 and the working medium pipe male joint 510 is big to promote the leakproofness of the connection between intubate 521 and the working medium pipe male joint 510; the nut 522 rotates to adjust the pressure of the nut 522 extruding the working medium pipe male joint 510, so that the working medium pipe male joint 510 can be tightly abutted to the insertion pipe 521 by rotating the nut 522, and the tightness of the connection between the working medium pipe male joint 510 and the working medium pipe female joint 520 can be improved. In addition, when the working medium pipe male joint 510 and the working medium pipe female joint 520 are installed, the insertion pipe 521 is inserted into the working medium pipe male joint 510, so that the working medium pipe female joint 520 is pre-positioned, then the nut 522 is rotated for fastening, the nut 522 can push the ejector pin 528 to push the piston 518 away while fastening and rotating, and push the limiting protrusion 517 to push the valve sleeve 526 away, so that the first valve port 516 and the second valve port 527 are communicated. Before the working medium pipe female joint 520 and the working medium pipe male joint 510 are detached, working medium does not need to be controlled in advance, after the working medium pipe female joint 520 is in butt joint with the working medium pipe male joint 510, the valve sleeve 526 is located at the third station, the piston 518 is located at the first station, the working medium pipe female joint 520 is automatically conducted with the working medium pipe male joint 510, and additional independent vacuumizing is not needed. When the working medium pipe male joint 510 and the working medium pipe female joint 520 are disassembled, only the nut 522 needs to be loosened, and then the working medium pipe female joint 520 is pulled out, so that the working medium pipe male joint 510 and the working medium pipe female joint 520 are simply and conveniently disassembled and assembled.
Further, in the present embodiment, the limit protrusion 517 has an abutment surface 593 for abutting against the valve sleeve 526, the mounting tube 515 is formed with a second chamber 592 between the abutment surface 593 and the first valve port 516, in the third position, the plug 529 is located in the second chamber 592, and the length-diameter ratio of the second chamber 592 is greater than or equal to 0.8. The aspect ratio of the second cavity 592 is specifically defined as the ratio of the length L2 of the second cavity 592 in the axial direction of the mounting tube 515 to the maximum diameter of the second cavity 592. When the length-diameter ratio of the second cavity 592 is too small, the circulation capacity of the working medium in the second cavity 592 is poor, and when the female connector 520 is in an open state, the plug 529 is located in the second cavity 592, which may affect the circulation of the working medium in the working medium pipe quick connector. Therefore, in this embodiment, the length-diameter ratio of the second cavity 592 is controlled to be greater than or equal to 0.8, so as to ensure the circulation performance of the working medium in the working medium pipe quick connector.
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 utility model discloses still provide a vehicle air conditioner, this vehicle air conditioner includes machine, air condensing units and connecting tube subassembly in the air conditioning, and the concrete structure of this connecting tube subassembly refers to above-mentioned embodiment, because this connecting tube 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 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 (15)
1. A working medium pipe male joint, comprising:
the outer surface of the mounting pipe is provided with threads, and a first valve port is formed inside 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 to drive the piston to cover the first valve port.
2. The working medium pipe male connector of claim 1, wherein the piston is axially slidably mounted in the mounting pipe along the mounting pipe.
3. The working medium pipe male connector according to claim 1, wherein the inner surface of the mounting pipe is provided with a snap ring, the snap ring is arranged around the axis of the mounting pipe, and the snap ring forms the first valve port.
4. The working medium pipe male joint of claim 3, further comprising a seal ring surrounding the piston, the seal ring configured to abut an inner surface of the snap ring.
5. The working fluid pipe male joint of claim 1, wherein the first resilient return member comprises:
a spring seat connected with the mounting tube;
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.
6. The working medium pipe male joint as claimed in claim 5, wherein a contact block is protruded from the surface of the piston, the contact block is located between the spring seat and the first valve port, the piston is sleeved with the first spring, and one end of the first spring, which is far away from the spring seat, is connected with the contact block.
7. The working medium pipe male connector of claim 6, wherein the mounting pipe forms a first cavity between the spring seat and the first valve port, and the abutment block is located in the first cavity; the aspect ratio of the first cavity is greater than or equal to 0.8.
8. The working medium pipe female joint is used for being butted with a working medium pipe male joint and is characterized by comprising an insertion pipe and a nut connected to the outer surface of the insertion pipe, wherein the insertion pipe comprises:
a base pipe; and
the valve sleeve is partially arranged in the base pipe and is arranged in a sliding manner along the axial direction of the base pipe, the valve sleeve is connected with the base pipe in a sealing manner, and a second valve port is formed at one end, far away from the base pipe, of the valve sleeve;
the thimble is arranged in the cannula, the valve sleeve is sleeved with the thimble, 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;
and the second elastic resetting piece is arranged in the base pipe and is connected with the valve sleeve so as to drive the valve sleeve to be connected with the plug.
9. The working medium pipe box joint of claim 8, wherein the second elastic reset 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 working medium pipe male connector.
10. The working medium pipe female joint according to claim 8, wherein an installation groove is formed in the outer surface of the base pipe, and an end of the nut, which is far away from the working medium pipe male joint, is at least partially rotatably arranged in the installation groove.
11. A working medium pipe quick-connecting piece is characterized by comprising:
the working medium pipe male joint of any one of claims 1 to 7; and the number of the first and second groups,
the working medium pipe female joint of any one of claims 8 to 10; wherein,
the insertion tube is inserted into the installation tube, and the nut is matched with the thread of the installation tube;
the ejector pin is used for abutting against the piston, and the piston is provided with a first station which abuts against the ejector pin to open the first valve port and a second station which closes the first valve port;
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.
12. The working medium pipe quick connector according to claim 11, wherein the limiting projection has an abutment surface for abutting against the valve sleeve, the mounting pipe is formed with a second chamber between the abutment surface and the first valve port, and in the third station, the plug is located in the second chamber, and the length-diameter ratio of the second chamber is greater than or equal to 0.8.
13. A connecting tube assembly, comprising: working medium pipe assembly comprising a working medium pipe quick connector according to claim 11 or 12 for connecting an indoor unit of an air conditioner and an outdoor unit of an air conditioner.
14. The connector tube assembly of claim 13, further comprising: the electric wire, the drain pipe and the ribbon binding the working medium pipe assembly, the electric wire and the water pipe.
15. 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 claim 11 or 12, the working medium pipe assembly being adapted to be inserted through the vehicle body to connect the indoor unit and the outdoor unit of the air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020507296.7U CN212509974U (en) | 2020-04-08 | 2020-04-08 | Working medium pipe male joint, female joint, quick connector, connecting pipe assembly and automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020507296.7U CN212509974U (en) | 2020-04-08 | 2020-04-08 | Working medium pipe male joint, female joint, quick connector, connecting pipe assembly and automobile air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509974U true CN212509974U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020507296.7U Active CN212509974U (en) | 2020-04-08 | 2020-04-08 | Working medium pipe male joint, female joint, quick connector, connecting pipe assembly and automobile air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720657A (en) * | 2021-08-18 | 2021-11-30 | 海南核电有限公司 | Adaptive-joint radioactive gas sampling equipment |
-
2020
- 2020-04-08 CN CN202020507296.7U patent/CN212509974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720657A (en) * | 2021-08-18 | 2021-11-30 | 海南核电有限公司 | Adaptive-joint radioactive gas sampling equipment |
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