CN113339610B - Quick butt joint structure of interface for air conditioner - Google Patents
Quick butt joint structure of interface for air conditioner Download PDFInfo
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- CN113339610B CN113339610B CN202110727700.0A CN202110727700A CN113339610B CN 113339610 B CN113339610 B CN 113339610B CN 202110727700 A CN202110727700 A CN 202110727700A CN 113339610 B CN113339610 B CN 113339610B
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- locking
- spring
- connecting sleeve
- sleeve
- sliding plunger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
Abstract
The invention discloses a quick butting structure of an interface for an air conditioner, wherein two joints respectively comprise a connecting sleeve, an elastic structure and a sliding plunger; the locking sleeve is sleeved on the second connecting sleeve, one end of the second connecting sleeve is provided with a locking assembly, the locking sleeve is provided with a first locking groove, and the first connecting sleeve is provided with a second locking groove; one end of the first connecting sleeve is inserted into one port of the second fluid channel, the first locking part and the second locking part of the locking assembly act to enable the first locking part to be correspondingly inserted into the first locking groove, the second locking part to be correspondingly inserted into the second locking groove, and meanwhile, the first sliding plunger and the second sliding plunger are in contact with each other to extrude the first elastic structure and the second elastic structure, so that a gap is formed between the first step and the second step, and a gap is also formed between the third step and the fourth step. The air conditioner prevents the refrigerant from leaking into the room due to the fact that a non-air conditioner professional removes the air conditioner under the condition that the refrigerant is not recycled, and the butt joint of the joint is quick and convenient.
Description
Technical Field
The invention relates to the technical field of butt joint structures for air conditioner interfaces, in particular to a quick butt joint structure for an interface of an air conditioner.
Background
Because the R290 refrigerant and the R32 refrigerant are flammable in nature, the air conditioner using the two types of refrigerants has very strict requirements on the leakage prevention of the refrigerants, especially for indoor units in the air conditioner, however, although the sealing performance of the refrigerant input and output interface of the existing air conditioner after being butted meets the requirements, the butting structure can still be used for dismounting the butting part by non-professional air conditioners after being butted, and thus the air conditioner is dismounted without recycling the refrigerants, so that the refrigerants leak into the room, and safety accidents such as fire and explosion are caused.
Disclosure of Invention
The invention aims to solve the technical defects and provides an interface quick butt joint structure for an air conditioner, which is used for preventing a non-professional person from disassembling a butt joint of a refrigerant input and output interface of the air conditioner.
The invention relates to a quick joint structure at an interface for an air conditioner, which comprises a first joint, a second joint and a locking sleeve;
the first connector comprises a first connecting sleeve and a first sliding plunger, the first connecting sleeve comprises a first fluid channel, the first sliding plunger is installed in the first fluid channel through a first elastic structure, a first gas circulation gap is reserved between the outer wall of the first sliding plunger and the inner wall of the first fluid channel, the first sliding plunger comprises a first step, the first fluid channel comprises a second step, and at least one side face of the first step is in sealing fit with at least one side face of the second step under the action of the first elastic structure;
the second joint comprises a second connecting sleeve and a second sliding plunger, the second connecting sleeve comprises a second fluid channel, the second sliding plunger is installed in the second fluid channel through a second elastic structure, a second gas circulation gap exists between the outer wall of the second sliding plunger and the inner wall of the second fluid channel, the second sliding plunger comprises a third step, the second fluid channel comprises a fourth step, and at least one side face of the third step is in sealing fit with at least one side face of the fourth step under the action of the second elastic structure;
the locking sleeve is sleeved on one end of the second connecting sleeve, a locking assembly for locking the locking sleeve and the first connecting sleeve is arranged at one end of the second connecting sleeve, a first locking groove is formed in the locking sleeve, and a second locking groove is formed in the first connecting sleeve;
one end of the first connecting sleeve is inserted into one port of the second fluid channel of the second connecting sleeve, the first locking part of the locking assembly corresponds to the first locking groove, the second locking part of the locking assembly corresponds to the second locking groove, and the first locking part and the second locking part of the locking assembly act to ensure that the first locking part is correspondingly inserted into the first locking groove and the second locking part is correspondingly inserted into the second locking groove.
Preferably, the first locking part comprises an elastic plunger, the second locking part comprises a movable ball, the second connecting sleeve comprises a first locking hole and a second locking hole, the elastic plunger is installed in the first locking hole, and the movable ball is installed in the second locking hole; the elastic plunger is extruded by the first connecting sleeve to enable the elastic cylinder to protrude outwards, the protruding portion is inserted into the first locking groove, and the movable ball body is abutted by the locking sleeve to enable at least one part of the movable ball body to be inserted into the second locking groove.
Preferably, the elastic plunger comprises a movable limiting column, a movable push rod, a first spring and a second spring, and the first locking hole comprises an upper step and a lower step; the elastic force of the second spring is greater than that of the first spring, the first spring is sleeved on the movable limiting column, and two ends of the first spring are respectively abutted against the convex part and the upper step on the movable limiting column; the spacing post of activity is including holding the chamber, the intracavity is held all in to the one end of activity push rod and second spring, the one end outer wall of activity push rod is provided with first spacing step, it is provided with the spacing step of second on the chamber to hold, first spacing step is spacing each other with the spacing step of second, the other end conflict activity push rod of second spring, the activity push rod stretches out by the lower port in first locking hole, and the activity push rod receives the one end extrusion of first adapter sleeve to promote spacing post of activity and activity push rod, make the spacing post of activity stretch out by the last port in first locking hole, and insert first locking inslot, wherein the convex part is spacing each other with lower step, first spacing step is spacing each other with the spacing step of second.
Preferably, the first elastic structure comprises a first inner partition plate and a fourth spring, the first inner partition plate is provided with a first through hole and a first flow through hole, the first inner partition plate is fixedly positioned on the first fluid channel, the first sliding plunger further comprises a fifth step, and a part of the first sliding plunger, which is located behind the fifth step, penetrates through the first through hole; the fourth spring is sleeved on the first sliding plunger and positioned behind the fifth step, and two ends of the fourth spring are respectively abutted against the first inner partition plate and the fifth step.
Preferably, the second elastic structure comprises a second inner partition plate and a fifth spring, the second inner partition plate is provided with a second through hole and a second flow through hole, the second inner partition plate is fixedly positioned on the second fluid channel, the second sliding plunger further comprises a sixth step, and a part of the second sliding plunger, which is located behind the sixth step, penetrates through the second through hole; and the fifth spring is sleeved on the second sliding plunger and positioned behind the sixth step, and two ends of the fifth spring are respectively abutted against the second inner partition plate and the sixth step.
Preferably, the first step and the second step both comprise first sealing inclined chamfers, and the two first sealing inclined chamfers are consistent in inclination angle and are mutually sealed and attached.
Preferably, the fourth step and the third step both comprise second sealing inclined chamfers, and the two second sealing inclined chamfers are consistent in inclination angle and are mutually sealed and attached.
Preferably, an elastic anti-return ring is arranged on the outer wall of one end of the second connecting sleeve, an anti-return table is arranged on the inner wall of the locking sleeve, and the anti-return table correspondingly abuts against the elastic anti-return ring.
Preferably, the locking device further comprises a third spring, the third spring is sleeved on the second connecting sleeve, a first spring limiting table is arranged on the outer wall of one end of the second connecting sleeve, a second spring limiting table is arranged on the inner wall of the locking sleeve, and two ends of the third spring are respectively abutted against the first spring limiting table and the second spring limiting table.
Preferably, the second fluid passage further comprises a seventh step located in front of the fourth step, a sealing gasket is located at the seventh step, a central through hole is formed in the sealing gasket, one end of the second sliding plunger penetrates through the central through hole, the diameter of the central through hole is larger than that of the second sliding plunger, and one end of the first connecting sleeve abuts against the sealing gasket.
The quick joint structure for the air conditioner joint prevents the refrigerant from leaking into the room due to the fact that a non-air conditioner professional removes the air conditioner without recycling the refrigerant, is quick and convenient to joint at the joint, improves the service performance, can be widely used in a quick connection mode of the air conditioner with combustible refrigerants, and is safe and reliable to use.
Drawings
FIG. 1 is a schematic view of the overall structure (one);
FIG. 2 is an enlarged view at A;
FIG. 3 is a schematic view of the overall structure (two);
FIG. 4 is an enlarged view at B;
FIG. 5 is a schematic view of the valve stem structure of embodiment 1;
fig. 6 is an enlarged view at C.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Example (b):
as shown in the accompanying drawings, the interface quick-docking structure for an air conditioner described in the present embodiment includes a first joint, a second joint, and a locking sleeve 4; wherein, after the first joint and the second joint are butted, the mutual communication can be realized, and the input or the output of combustible refrigerant gas is achieved.
The first connector comprises a first connecting sleeve 1 and a first sliding plunger 2, the first connecting sleeve 1 comprises a first fluid channel 11, the first sliding plunger 2 is installed in the first fluid channel 11 through a first elastic structure 3, a first gas circulation gap 113 is reserved between the outer wall of the first sliding plunger 2 and the inner wall of the first fluid channel 11, the first sliding plunger 2 comprises a first step 21, the first fluid channel 11 comprises a second step 111, and at least one side face of the first step 21 is in sealing fit with at least one side face of the second step 111 under the action of the first elastic structure 3; the first connection sleeve 1 is of a circular sleeve type structure, and the first step 21 and the second step 111 are always kept sealed when the first connection sleeve 1 is not inserted into the second connection sleeve 5, so that dust particles are prevented from entering the rear end portion of the first fluid passage 11, and simultaneously, fluid of a rear end device is prevented from leaking, the fluid is generally stored combustible refrigerant, and the diameter of the first connection sleeve 1 is smaller than the port of the second fluid passage 51.
The second joint comprises a second connecting sleeve 5 and a second sliding plunger 6, the second connecting sleeve 5 comprises a second fluid channel 51, the second sliding plunger 6 is installed in the second fluid channel 51 through a second elastic structure 7, a second gas circulation gap 514 exists between the outer wall of the second sliding plunger 6 and the inner wall of the second fluid channel 51, the second sliding plunger 6 comprises a third step 61, the second fluid channel 51 comprises a fourth step 511, and at least one side surface of the third step 61 is in sealing fit with at least one side surface of the fourth step 511 under the action of the second elastic structure 7; the second connection sleeve 5 is a circular sleeve structure, and the third step 61 and the fourth step 511 are always sealed when the second connection sleeve is not sleeved on the first connection sleeve 1, so that dust particles are prevented from entering the rear end part of the second fluid channel 51, and meanwhile, fluid of a rear end device is prevented from leaking, wherein the fluid is generally stored combustible refrigerant.
The locking sleeve 4 is sleeved on one end of the second connecting sleeve 5, one end of the second connecting sleeve 5 is provided with a locking component 8 for locking the locking sleeve 4 and the first connecting sleeve 1, the locking sleeve 4 is provided with a first locking groove 41, the first connecting sleeve 1 is provided with a second locking groove 23, after one end of the first connecting sleeve 1 is inserted into one end opening of the second fluid channel 51 of the second connecting sleeve 5, the position of a first locking part 81 of the locking component 8 corresponds to the position of the first locking groove 41, the position of a second locking part 82 of the locking component 8 corresponds to the position of the second locking groove 23, and the first locking part 81 acts to enable the first locking part 81 of the locking component 8 to be correspondingly inserted into the first locking groove 41; then, the locking sleeve 4 is sleeved at one end of the second connecting sleeve 5 to be pressed against the second locking part 82, the second locking part 82 of the locking assembly 8 is inserted into the second locking groove 23 correspondingly, the locking state among the first connecting sleeve 1, the second connecting sleeve 5 and the locking sleeve 4 is realized, the first connecting sleeve 1 and the second connecting sleeve 5 cannot be separated by a non-professional person and a non-professional tool, the connection state is always kept, and the situation that the refrigerant leaks into a room due to the fact that the non-air conditioner professional person removes the air conditioner under the condition that the refrigerant is not recovered is further prevented. Meanwhile, the first sliding plunger 2 and the second sliding plunger 6 press against the first elastic structure 3 and the second elastic structure 7, so that the first step 21 and the second step 111 form a gap, the third step 61 and the fourth step 511 also form a gap, and the first fluid channel 11 and the second fluid channel 51 are communicated with each other through the formed gap.
Preferably, the first connection sleeve 1 is provided with a limiting step 14, so that after one end of the first connection sleeve 1 is completely inserted into one port of the second connection sleeve 5, the end surface of the second connection sleeve 5 abuts against the limiting step 14 for limiting.
In this embodiment, the first locking part 81 includes an elastic plunger 810, the second locking part 82 includes a movable sphere 821, the second connecting sleeve 5 includes a first locking hole 54 and a second locking hole 55, and the elastic plunger 810 is installed in the first locking hole 54, the movable sphere 821 is installed in the second locking hole 55, and the upper end of the elastic plunger 810 is sunk into the first locking hole 54 under the condition that the lower end is not pressed; when one end of the first connection sleeve 1 is inserted into one port of the second fluid passage 51, the locking sleeve 4 retreats, so that the movable sphere 821 is not limited by the upward movement of the locking sleeve 4, at this time, the inner wall of the locking sleeve 4 contacts the first locking hole 54, then one end of the first connection sleeve 1 is continuously inserted, the movable sphere 821 is pushed by one end of the first connection sleeve 1 to move upward for a certain distance, meanwhile, one end of the first connection sleeve 1 presses against the lower end of the elastic plunger 810, so that the upper end of the elastic plunger 810 extends out of the first locking hole 54 to abut against the inner wall of the locking sleeve 4, when the second locking groove 23 reaches the position of the movable sphere 821, the movable sphere 821 automatically falls into the second locking groove 23 under the action of gravity to clamp the first connection sleeve 1, then the locking sleeve 4 moves forward, when the first locking groove 41 reaches the position of the first locking hole 54 during the forward movement, the upper end of the elastic type plunger protrudes outward under the action of the elastic force, and the protruded protruding portion is correspondingly inserted into the first locking groove 41 to lock the locking sleeve 4 by the second connecting sleeve 5, so that the inner wall of the locking sleeve 4 abuts against the movable ball 821 to keep the movable ball 821 locked in the second locking groove 23, thereby completing the locking state among the first connecting sleeve 1, the second connecting sleeve 5 and the locking sleeve 4.
Preferably, the elastic plunger 810 includes a movable stopper 811, a movable push rod 812, a first spring 813 and a second spring 814, and the first locking hole 54 includes an upper step 541 and a lower step 542; the first spring 813 is sleeved on the movable limiting column 811, and two ends of the first spring are respectively abutted against the convex part 815 and the upper step 541 on the movable limiting column 811; the movable limiting column 811 comprises a containing cavity 818, one end of the movable push rod 812 and the second spring 814 are both arranged in the containing cavity 818, a first limiting step 816 is arranged on the outer wall of one end of the movable push rod 812, a second limiting step 817 is arranged on the containing cavity 818, the first limiting step 816 and the second limiting step 817 are mutually limited, the other end of the second spring 814 abuts against the movable push rod 812, the first spring 813 and the second spring 814 are in a spreading state under the condition that the movable push rod 812 is not extruded, the top end of the movable limiting column 811 is submerged into the first locking hole 54, and the movable push rod 812 is completely extended out of the lower port of the first locking hole 54. And the movable push rod 812 is extruded by one end of the first connecting sleeve 1 to push the movable limiting column 811 and the movable push rod 812, so that the movable limiting column 811 extends out from the upper port of the first locking hole 54 and is inserted into the first locking groove 41. One end of the first connecting sleeve 1 is provided with a bevel chamfer 12 so as to facilitate pushing the movable push rod 812 to move. The elastic force of the second spring 814 is greater than that of the first spring 813, and the movable sphere 821 generally adopts a steel ball, wherein the convex portion 815 and the lower step 542 are mutually limited, and the first limiting step 816 and the second limiting step 817 are mutually limited, so as to prevent the movable limiting column 811 and the movable push rod 812 from being separated from the first locking hole 54.
Specifically, after the movable push rod 812 is pressed by one end of the first connection sleeve 1, the movable push rod 812 is lifted and retracted into the accommodating cavity 818, and meanwhile, the movable limiting column 811 is also lifted by being pushed up, because the locking sleeve 4 is in a retreated state, the upper end of the movable limiting column 811 abuts against the inner wall of the locking sleeve 4, and then the locking sleeve 4 moves forward, so that after the first locking groove 41 reaches the upper side of the first locking hole 54, based on the fact that the elastic force of the second spring 814 is greater than the elastic force of the first spring 813, and under the action of the collision of the movable push rod 812, the second spring 814 makes the movable limiting column 811 extend out of the upper end opening of the first locking hole 54 and insert into the first locking groove 41 under the action of overcoming the elastic force of the first spring 813, so as to lock the locking sleeve 4 and the second connection sleeve 5 with each other.
In this embodiment, the first elastic structure 3 includes a first inner partition 32 and a fourth spring 31, the first inner partition 32 is provided with a first through hole 321 and a first flow through hole 322, the first inner partition 32 is fixedly positioned on the first fluid channel 11, the first sliding plunger 2 further includes a fifth step 22, and a portion of the first sliding plunger 2 located behind the fifth step 22 penetrates through the first through hole 321; the fourth spring 31 is sleeved on the first sliding plunger 2 behind the fifth step 513, and two ends of the fourth spring respectively abut against the first inner partition 32 and the fifth step 22. The inner wall of the rear end of the first fluid channel 11 is provided with a first annular groove 114, the periphery of the first inner partition 32 is correspondingly embedded into the first annular groove 114 for positioning, and a plurality of first through holes 322 are provided to increase the fluid input and output.
The second elastic structure 7 comprises a second inner partition plate 72 and a fifth spring 71, a second through hole 721 and a second flow through hole 722 are arranged on the second inner partition plate 72, the second inner partition plate 72 is fixedly positioned on the second fluid channel 51, the second sliding plunger 6 further comprises a sixth step 62, and a part, located behind the sixth step 62, of the second sliding plunger 6 penetrates through the second through hole 721; the fifth spring 71 is sleeved on the second sliding plunger 6 at a position behind the sixth step 62, and two ends of the fifth spring respectively abut against the second inner partition 72 and the sixth step 62. The inner wall of the rear end of the second fluid channel 51 is provided with a second annular groove 515, the periphery of the second inner partition 72 is correspondingly embedded into the second annular groove 515 for positioning, and a plurality of second through holes 722 are provided to increase the fluid input and output amount.
The elastic structure in the above is reasonable in design, the front end of the sliding plunger can be guaranteed to move when being pressed, the front end of the sliding plunger enables the first step 21 to be sealed on the second step 111 when not being pressed, and the third step 61 is sealed on the fourth step 511, so that the reliable sealing effect is achieved after the first joint and the second joint are separated.
Preferably, the first step 21 and the second step 111 both include a first sealing inclined chamfer 112, and the two first sealing inclined chamfers 112 have the same inclination angle and are in sealing fit with each other; fourth step 511 and third step 61 all include second sealed slope chamfer 512, and the inclination of two second sealed slope chamfers 512 is unanimous to sealed laminating each other makes sealed effect better.
In this embodiment, an elastic anti-back ring 10 is disposed on an outer wall of one end of the second connection sleeve 5, an anti-back table 43 is disposed on an inner wall of the locking sleeve 4, and the anti-back table 43 correspondingly abuts against the elastic anti-back ring 10. Wherein the elastic retaining ring 10 is an O-ring, and the outer wall of one end of the second connecting sleeve 5 is provided with a retaining ring groove 53, and the O-ring is embedded and fixed in the retaining ring groove 53, so that after the locking ring is sleeved on the second connecting sleeve 5, the locking sleeve 4 is positioned on the second connecting sleeve 5 by the mutual interference of the retaining table 43 and the retaining ring groove 53. Meanwhile, the locking mechanism further comprises a third spring 9, the third spring 9 is sleeved on the second connecting sleeve 5, a first spring limiting table 52 is arranged on the outer wall of one end of the second connecting sleeve 5, a second spring limiting table 42 is arranged on the inner wall of the locking sleeve 4, two ends of the third spring 9 abut against the first spring limiting table 52 and the second spring limiting table 42 respectively, the locking sleeve 4 is kept positioned in an area with a locking assembly 8 through the third spring 9, and therefore locking among the first connecting sleeve 1, the second connecting sleeve 5 and the locking sleeve 4 is facilitated.
In this embodiment, the second fluid channel 51 further includes a seventh step 513 located in front of the fourth step 511, a sealing gasket 13 is located at the seventh step 513, a central through hole 131 is provided on the sealing gasket 13, an end of the second sliding plunger 6 penetrates through the central through hole 131, and the diameter of the central through hole 131 is greater than that of the second sliding plunger 6, so that a circulation space 132 is formed between an inner wall of the central through hole 131 and an outer wall of the second sliding plunger 6, so that the fluid is input and output, and one end of the first connection sleeve 1 abuts against the sealing gasket 13, so that the one end of the first connection sleeve 1 and the seventh step 513 are sealed by the sealing gasket 13, thereby preventing the fluid from leaking out from a gap between the one end of the first connection sleeve 1 and the seventh step 513, and further improving the usability.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (10)
1. An interface quick butt joint structure for an air conditioner is characterized by comprising a first joint, a second joint and a locking sleeve (4);
the first connector comprises a first connecting sleeve (1) and a first sliding plunger (2), the first connecting sleeve (1) comprises a first fluid channel (11), the first sliding plunger (2) is installed in the first fluid channel (11) through a first elastic structure (3), a first gas circulation gap (113) exists between the outer wall of the first sliding plunger (2) and the inner wall of the first fluid channel (11), the first sliding plunger (2) comprises a first step (21), the first fluid channel (11) comprises a second step (111), and at least one side face of the first step (21) is in sealing fit with at least one side face of the second step (111) under the action of the first elastic structure (3);
the second joint comprises a second connecting sleeve (5) and a second sliding plunger (6), the second connecting sleeve (5) comprises a second fluid channel (51), the second sliding plunger (6) is installed in the second fluid channel (51) through a second elastic structure (7), a second gas circulation gap (514) is reserved between the outer wall of the second sliding plunger (6) and the inner wall of the second fluid channel (51), the second sliding plunger (6) comprises a third step (61), the second fluid channel (51) comprises a fourth step (511), and at least one side face of the third step (61) is in sealing fit with at least one side face of the fourth step (511) under the action of the second elastic structure (7);
the locking sleeve (4) is sleeved on one end of the second connecting sleeve (5), a locking assembly (8) for locking the locking sleeve (4) and the first connecting sleeve (1) is arranged at one end of the second connecting sleeve (5), a first locking groove (41) is formed in the locking sleeve (4), and a second locking groove (23) is formed in the first connecting sleeve (1);
one end of the first connecting sleeve (1) is inserted into one port of the second fluid channel (51) of the second connecting sleeve (5), the position of a first locking part (81) of the locking component (8) corresponds to the position of the first locking groove (41), the position of a second locking part (82) of the locking component (8) corresponds to the position of the second locking groove (23), and the first locking part (81) and the second locking part (82) of the locking assembly (8) are operated, so that the first locking part (81) is correspondingly inserted into the first locking groove (41), the second locking part (82) is correspondingly inserted into the second locking groove (23), meanwhile, the first sliding plunger (2) and the second sliding plunger (6) are in contact with each other to extrude the first elastic structure (3) and the second elastic structure (7), so that a gap is formed between the first step (21) and the second step (111), and a gap is also formed between the third step (61) and the fourth step (511).
2. An interface quick docking structure for an air conditioner according to claim 1, wherein the first locking part (81) comprises an elastic plunger (810), the second locking part (82) comprises a movable ball (821), the second connection sleeve (5) comprises a first locking hole (54) and a second locking hole (55), and the elastic plunger (810) is installed in the first locking hole (54), and the movable ball (821) is installed in the second locking hole (55); the elastic plunger (810) is pressed by the first connecting sleeve (1) to make the elastic cylinder protrude outwards, the protruding part is inserted into the first locking groove (41), and the movable ball (821) is pressed by the locking sleeve (4) to make at least one part of the movable ball (821) inserted into the second locking groove (23).
3. An interface quick docking structure for an air conditioner according to claim 2, wherein the elastic plunger (810) includes a movable stopper (811), a movable push rod (812), a first spring (813) and a second spring (814), and the first locking hole (54) includes an upper step (541) and a lower step (542); the elasticity of the second spring (814) is greater than that of the first spring (813), the first spring (813) is sleeved on the movable limiting column (811), and two ends of the first spring are respectively abutted against the convex part (815) and the upper step (541) on the movable limiting column (811); the movable limiting column (811) comprises a containing cavity (818), one end of the movable push rod (812) and the second spring (814) are arranged in the containing cavity (818), the outer wall of one end of the movable push rod (812) is provided with a first limiting step (816), the containing cavity (818) is provided with a second limiting step (817), the first limiting step (816) and the second limiting step (817) are mutually limited, the other end of the second spring (814) is abutted against the movable push rod (812), the movable push rod (812) extends out of the lower port of the first locking hole (54), the movable push rod (812) is extruded by one end of the first connecting sleeve (1) to push the movable limiting column (811) and the movable push rod (812), so that the movable limiting column (811) extends out of the upper port of the first locking hole (54) and is inserted into the first locking groove (41), wherein the convex part (815) and the lower step (542) are mutually limited, the first limiting step (816) and the second limiting step (817) limit each other.
4. An interface quick docking structure for an air conditioner according to claim 1, wherein the first elastic structure (3) comprises a first inner partition (32) and a fourth spring (31), a first through hole (321) and a first flow through hole (322) are formed in the first inner partition (32), the first inner partition (32) is fixedly positioned on the first fluid channel (11), the first sliding plunger (2) further comprises a fifth step (22), and a portion of the first sliding plunger (2) behind the fifth step (22) penetrates through the first through hole (321); the fourth spring (31) is sleeved on the part, located behind the fifth step (22), of the first sliding plunger (2), and two ends of the fourth spring are respectively abutted against the first inner partition plate (32) and the fifth step (22).
5. The interface quick docking structure for the air conditioner according to claim 1, wherein the second elastic structure (7) comprises a second inner partition (72) and a fifth spring (71), a second through hole (721) and a second flow through hole (722) are formed in the second inner partition (72), the second inner partition (72) is fixedly positioned on the second fluid channel (51), the second sliding plunger (6) further comprises a sixth step (62), and a portion of the second sliding plunger (6) located behind the sixth step (62) penetrates through the second through hole (721); the fifth spring (71) is sleeved on the second sliding plunger (6) and is positioned behind the sixth step (62), and two ends of the fifth spring are respectively abutted against the second inner partition plate (72) and the sixth step (62).
6. An interface quick docking structure for an air conditioner according to claim 1, wherein the first step (21) and the second step (111) each include a first sealing inclined chamfer (112), and the two first sealing inclined chamfers (112) have the same inclination angle and are in sealing fit with each other.
7. An interface quick butt joint structure for an air conditioner according to claim 1, wherein the fourth step (511) and the third step (61) each include a second sealing inclined chamfer (512), and the two second sealing inclined chamfers (512) have the same inclination angle and are in sealing fit with each other.
8. The air conditioner interface quick butt joint structure as claimed in any one of claims 1 to 7, wherein an elastic anti-return ring (10) is provided on an outer wall of one end of the second connecting sleeve (5), an anti-return table (43) is provided on an inner wall of the locking sleeve (4), and the anti-return table (43) is correspondingly abutted against the elastic anti-return ring (10).
9. The quick docking structure at interface for the air conditioner as claimed in claim 6, further comprising a third spring (9), wherein the third spring (9) is sleeved on the second connecting sleeve (5), a first spring limiting table (52) is arranged on an outer wall of one end of the second connecting sleeve (5), a second spring limiting table (42) is arranged on an inner wall of the locking sleeve (4), and two ends of the third spring (9) respectively abut against the first spring limiting table (52) and the second spring limiting table (42).
10. The air conditioner interface quick butt joint structure as claimed in claim 6, wherein the second fluid channel (51) further comprises a seventh step (513) located in front of the fourth step (511), a sealing gasket (13) is located at the seventh step (513), a central through hole (131) is formed in the sealing gasket (13), one end of the second sliding plunger (6) penetrates through the central through hole (131), the diameter of the central through hole (131) is larger than that of the second sliding plunger (6), and one end of the first connecting sleeve (1) abuts against the sealing gasket (13).
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| CN202110727700.0A CN113339610B (en) | 2021-06-29 | 2021-06-29 | Quick butt joint structure of interface for air conditioner |
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| CN202110727700.0A CN113339610B (en) | 2021-06-29 | 2021-06-29 | Quick butt joint structure of interface for air conditioner |
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| CN113339610A CN113339610A (en) | 2021-09-03 |
| CN113339610B true CN113339610B (en) | 2022-08-05 |
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| CN112128493A (en) * | 2020-09-18 | 2020-12-25 | 山东航天电子技术研究所 | Steel ball locking quick joint |
| CN212251616U (en) * | 2020-04-06 | 2020-12-29 | 江苏通球建筑科技有限公司 | Direct insertion type joint pipeline |
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|---|---|---|---|---|
| US3842614A (en) * | 1973-10-12 | 1974-10-22 | Hansen Mfg Co | Cryogenic coupling assembly |
| CN2748744Y (en) * | 2004-10-29 | 2005-12-28 | 曾金飞 | Oil pipe fast connecting joint |
| JP2009228898A (en) * | 2008-02-28 | 2009-10-08 | Nitto Kohki Co Ltd | Socket for pipe joint, and pipe joint |
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| Publication number | Publication date |
|---|---|
| CN113339610A (en) | 2021-09-03 |
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