阅读说明：本技术 一种汽车空调管道用快速接头 (Quick coupling for automobile air conditioner pipeline ) 是由 吴东方 刘富强 刘大山 于 2019-11-22 设计创作，主要内容包括：本发明公开了一种汽车空调管道用快速接头,包括连接管,所述连接管内腔安装有内管,所述内管内腔中间位置安装有过滤网,所述过滤网两侧均安装有挡圈,所述挡圈外侧壁表面均焊接有输送管,所述内管内腔表面一侧开设有第一凹槽,所述第一凹槽内腔安装有第一密封圈,本发明通过两组凹槽和密封圈相互配合,从而能够使得内管对插入的空调管进行双重密封效果,进而能够防止空调管道连接处漏气,并且通过转动螺帽,使得能够紧固压片,从而能够挤压汽车空调管道,进一步的对汽车空调管道进行密封,通过内管和防护套管,可分别对连接管的内壁和外壁进行双重防护,从而能够加强快速接头的整体结构性能。(The invention discloses a quick connector for an automobile air-conditioning pipeline, which comprises a connecting pipe, wherein an inner pipe is arranged in the inner cavity of the connecting pipe, a filter screen is arranged in the middle of the inner cavity of the inner pipe, retainer rings are arranged on two sides of the filter screen, a conveying pipe is welded on the outer side wall surface of each retainer ring, a first groove is formed in one side of the inner cavity surface of the inner pipe, and a first sealing ring is arranged in the inner cavity of the first groove. Thereby enhancing the overall structural performance of the quick connector.)

1. The quick joint for the automobile air conditioner pipeline comprises a connecting pipe (1) and is characterized in that an inner pipe (2) is installed in an inner cavity of the connecting pipe (1), a filter screen (3) is installed in the middle position of the inner cavity of the inner pipe (2), check rings (4) are installed on two sides of the filter screen (3), conveying pipes (5) are welded on the surface of the outer side wall of each check ring (4), a first groove (7) is formed in one side of the surface of the inner cavity of the inner pipe (2), a first sealing ring (701) is installed in the inner cavity of the first groove (7), a second groove (8) is formed in the other side of the surface of the inner cavity of the inner pipe (2), a second sealing ring (801) is installed on the surface of the second groove (8), fastening pressing sheets (9) are installed at two ends of the connecting pipe (1), a plurality of groups of the fastening, external screw thread (10) surface mounting has nut (11), nut (11) inside wall surface is seted up there is internal thread (12), connecting pipe (1) outer wall surface mounting has protective casing (14).

2. The quick coupling for an air conditioning duct of a vehicle of claim 1, wherein: conveyer pipe (5) one end has concatenated rubber circle (6), and rubber circle (6) are located retaining ring (4) lateral wall surface.

3. The quick coupling for an air conditioning duct of a vehicle of claim 1, wherein: the inner diameter of the connecting pipe (1) is the same as that of the nut (11), and the nut (11) is rotatably connected with the connecting pipe (1) through the external thread (10) and the internal thread (12).

4. The quick coupling for an air conditioning duct of a vehicle of claim 1, wherein: the surface of the outer wall of the screw cap (11) is provided with a tenon (13), and the tenon (13) is specifically provided with a plurality of groups.

5. The quick coupling for an air conditioning duct of a vehicle of claim 1, wherein: the protective sleeve is characterized in that reinforcing ribs (15) are arranged on the surface of the outer wall of the protective sleeve (14), and a plurality of groups of reinforcing ribs (15) are specifically arranged.

6. The quick coupling for an air conditioning duct of a vehicle of claim 1, wherein: the protection casing (14) bottom and bottom surface all install fixed plate (16), locating hole (1601) have been seted up on fixed plate (16) surface.

Technical Field

The invention relates to the technical field of automobile accessory equipment, in particular to a quick connector for an automobile air conditioner pipeline.

Background

An automobile air conditioning system is a device for refrigerating, heating, ventilating and purifying air in a carriage. The automobile seat cushion can provide a comfortable riding environment for passengers, reduce the fatigue strength of a driver and improve the driving safety.

However, the existing quick coupling for the air conditioning duct of the automobile has the following disadvantages:

1. when the existing quick connector for the automobile air-conditioning pipeline is used, the sealing effect is insufficient, so that air leakage at the joint of the air-conditioning pipeline is easy to occur, an air-conditioning compressor is operated, the burden of the air-conditioning compressor is increased, and the service life of equipment is shortened.

2. Meanwhile, the existing quick joint structure for the automobile air-conditioning pipeline has insufficient strength, is easy to break and damage, and further prolongs the service life of the quick joint for the automobile air-conditioning pipeline.

Disclosure of Invention

The invention aims to provide a quick connector for an automobile air-conditioning pipeline, which aims to solve the problems that when the existing quick connector for the automobile air-conditioning pipeline in the background technology is used, the air leakage at the joint of the air-conditioning pipeline is easy to occur due to the insufficient sealing effect, so that an air-conditioning compressor runs, the burden of the air-conditioning compressor is increased, the service life of equipment is shortened, and meanwhile, the existing quick connector for the automobile air-conditioning pipeline is insufficient in strength, easy to break and damage, and further the service life of the quick connector for the automobile air-conditioning pipeline is shortened.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a quick-operation joint for vehicle air conditioner pipeline, includes the connecting pipe, the inner tube is installed to the connecting tube inner chamber, the filter screen is installed to inner tube inner chamber intermediate position, the retaining ring is all installed to the filter screen both sides, the conveyer pipe has all been welded on retaining ring lateral wall surface, first recess has been seted up to inner tube inner chamber surface one side, first sealing washer is installed to first recess inner chamber, the second recess has been seted up to inner tube inner chamber surface opposite side, second recess surface mounting has the second sealing washer, the fastening preforming is all installed at the connecting pipe both ends, and the fastening preforming specifically is provided with a plurality of groups, the external screw thread has all been seted up at connecting pipe outer wall surface both ends, external screw thread surface mounting has the nut, the internal thread has been.

Preferably, conveyer pipe one end has concatenated the rubber circle, and the rubber circle is located retaining ring lateral wall surface to can play the sealed effect of air conditioner pipeline one end.

Preferably, the inner diameter of the connecting pipe is the same as that of the nut, and the nut is rotationally connected with the connecting pipe through the external thread and the internal thread, so that the nut can be flexibly rotated on the connecting pipe conveniently.

Preferably, nut outer wall surface mounting has the tenon, and the tenon specifically is provided with a plurality of groups, can be convenient for again the staff rotate the nut to can improve quick-operation joint and use the flexibility.

Preferably, the surface mounting of the outer wall of the protective sleeve is provided with the reinforcing ribs, and the reinforcing ribs are specifically provided with a plurality of groups, so that the structural strength of the protective sleeve can be enhanced, and the service life of the protective sleeve is prolonged.

Preferably, the protective sleeve bottom and the bottom surface all install the fixed plate, the locating hole has been seted up on the fixed plate surface, can carry out the bolt fastening to quick-operation joint, prevents that quick-operation joint from making a round trip to rock the damage when the vehicle goes.

The invention provides a quick connector for an automobile air conditioner pipeline, which has the following beneficial effects:

(1) according to the automobile air-conditioning pipe, the inner pipe can be used for enhancing the structural strength of the inner cavity of the connecting pipe, the inner pipe can also provide an installation space for internal accessories, the baffle ring can be used for protecting a filter screen and providing an installation space for the conveying pipe, when an automobile air-conditioning pipe needs to be quickly butted, the air-conditioning pipe is firstly inserted into the inner cavity of the connecting pipe, one end of the air-conditioning pipe abuts against the baffle ring, the inserted air-conditioning pipe inner cavity is located on the outer side wall of the conveying pipe, so that gas conveyed by the air-conditioning pipe can directly flow into the conveying pipe, and the rubber ring is located on the outer side wall of the baffle ring.

(2) According to the invention, the inner cavity of the inner pipe is provided with the first groove and the second groove, and the first sealing ring and the second sealing ring are respectively arranged at the grooves of the first groove and the second groove, so that the inner pipe can have a double sealing effect on the inserted air-conditioning pipe, and further air leakage at the joint of the air-conditioning pipe can be prevented.

(3) The filter screen is arranged in the inner cavity of the inner pipe, and can filter air flowing through the quick connector, so that the use safety of an air conditioner compressor of equipment is improved, the tenon is convenient for workers to rotate the nut, the use flexibility of the quick connector can be improved, the protective sleeve can protect the outer wall of the connecting pipe, the inner pipe can be matched, the overall structural performance of the quick connector is enhanced, the structural strength of the protective sleeve can be enhanced through a plurality of groups of reinforcing ribs, the service life of the protective sleeve is prolonged, the quick connector can be fixed through bolts through the fixing plate and the positioning holes, and the quick connector is prevented from shaking and being damaged back and forth when a vehicle runs.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a connecting tube according to the present invention;

FIG. 3 is a schematic view of the inner structure of the connecting tube according to the present invention;

fig. 4 is a schematic view of the nut structure of the present invention.

In the figure: 1. a connecting pipe; 2. an inner tube; 3. a filter screen; 4. a retainer ring; 5. a delivery pipe; 6. a rubber ring; 7. a first groove; 701. a first seal ring; 8. a second groove; 801. a second seal ring; 9. fastening the pressing sheet; 10. an external thread; 11. a nut; 12. an internal thread; 13. a tenon; 14. a protective sleeve; 15. a reinforcing rib; 16. a fixing plate; 1601. and (7) positioning the holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, a quick coupling for an automobile air-conditioning pipeline comprises a connecting pipe 1, an inner pipe 2 is installed in an inner cavity of the connecting pipe 1, a filter screen 3 is installed in the middle position of the inner cavity of the inner pipe 2, retainer rings 4 are installed on two sides of the filter screen 3, a conveying pipe 5 is welded on the outer side wall surface of each retainer ring 4, a first groove 7 is formed in one side of the inner cavity surface of the inner pipe 2, a first sealing ring 701 is installed in the inner cavity of the first groove 7, a second groove 8 is formed in the other side of the inner cavity surface of the inner pipe 2, a second sealing ring 801 is installed on the surface of the second groove 8, fastening pressing sheets 9 are installed at two ends of the connecting pipe 1, a plurality of groups of fastening pressing sheets 9 are specifically arranged, external threads 10 are formed in two ends of the, connecting pipe 1 outer wall surface mounting has protective casing 14, mutually support through two sets of recesses and sealing washer, thereby can make inner tube 2 carry out double seal effect to male air conditioner pipe, and then can prevent air conditioner pipeline junction gas leakage, and through rotating nut 11, make and to fasten preforming 9, thereby can extrude vehicle air conditioner pipeline, further seal vehicle air conditioner pipeline, through inner tube 2 and protective casing 14, can carry out dual protection to the inner wall and the outer wall of connecting pipe 1 respectively, thereby can strengthen quick-operation joint's overall structure performance.

In this embodiment, 5 one end of conveyer pipe has concatenated rubber circle 6, and rubber circle 6 is located 4 lateral wall surfaces of retaining ring, through rubber circle 6 to can play the sealed effect of air conditioner pipeline one end.

The inner diameter of the connecting pipe 1 is the same as that of the nut 11, and the nut 11 is rotatably connected with the connecting pipe 1 through the external thread 10 and the internal thread 12, so that the nut 11 can be flexibly rotated on the connecting pipe 1 conveniently.

11 outer wall surface mounting of nut has tenon 13, and tenon 13 specifically is provided with a plurality of groups, through tenon 13, the staff of being convenient for again rotates nut 11 to can improve quick-operation joint and use the flexibility.

The outer wall surface mounting of lag tube 14 has and strengthens rib 15, and strengthens rib 15 and specifically be provided with a plurality of groups, strengthens rib 15 through the multiunit, can strengthen the structural strength of lag tube 14, improves the life of lag tube 14.

The bottom and the bottom surface of the protective sleeve 14 are both provided with a fixing plate 16, a positioning hole 1601 is formed in the surface of the fixing plate 16, the quick connector can be fixed by a bolt through the fixing plate 16 and the positioning hole 1601, and the quick connector is prevented from shaking back and forth and being damaged when a vehicle runs.

It should be noted that, when working, the inner tube 2 can enhance the structural strength of the inner cavity of the connecting tube 1, and the inner tube 2 can provide the installation space for the internal fittings, the retainer 4 can provide the protection for the filter screen 3 and the installation space for the delivery tube 5, when the automobile air-conditioning pipeline needs to be quickly butted, the air-conditioning tube is inserted into the inner cavity of the connecting tube 1, and one end of the air-conditioning tube is against the retainer 4, because the inserted air-conditioning tube inner cavity is positioned on the outer side wall of the delivery tube 5, the air delivered by the air-conditioning tube can directly flow into the delivery tube 5, because the rubber ring 6 is positioned on the outer side wall of the retainer 4, the sealing effect of one end of the air-conditioning pipeline can be achieved, because the inner cavity of the inner tube 2 is provided with the first groove 7 and the second groove 8, and the grooves of the first groove 7 and the second groove 8 are respectively provided with the first sealing ring, thereby the inner pipe 2 can carry out double sealing effect on the inserted air-conditioning pipe, and further air leakage at the joint of the air-conditioning pipeline can be prevented, because the outer wall surface of the connecting pipe 1 is provided with the external threads 10 at both ends, and the inner wall surface of the screw cap 11 is provided with the internal threads 12, so the screw cap 11 can be arranged at one end of the connecting pipe 1, because the fastening pressing sheets 9 are arranged at both ends of the connecting pipe 1, and further the fastening pressing sheets 9 can extrude the automobile air-conditioning pipeline under the rotation of the screw cap 11, and further the automobile air-conditioning pipeline is sealed, the use safety of the quick joint for the automobile air-conditioning pipeline can be improved, the burden of the air-conditioning compressor can be reduced, the air passing through the quick joint can be filtered through the filter screen 3 arranged in the inner cavity of the inner pipe 2, the use safety of, the staff of being convenient for again rotates nut 11, thereby can improve quick-operation joint and use the flexibility, through protecting casing 14, can protect connecting pipe 1 outer wall again, thereby can cooperate inner tube 2, strengthen quick-operation joint's overall structure performance, strengthen rib 15 through the multiunit, can strengthen protecting casing 14's structural strength, improve protecting casing 14's life, through fixed plate 16 and locating hole 1601, can carry out the bolt fastening to quick-operation joint, prevent that quick-operation joint from rocking the damage back and forth when the vehicle goes.

The invention is a quick coupling for an air conditioning duct of an automobile, which comprises a connecting pipe 1, an inner pipe 2, a filter screen 3, a retainer ring 4, a conveying pipe 5, a rubber ring 6, a first groove 7, a first seal ring 701, a second groove 8, a second seal ring 801, a fastening pressing sheet 9, an external thread 10, a nut 11, an internal thread 12, a tenon 13, a protective casing 14, a reinforcing rib 15, a fixing plate 16 and a positioning hole 1601, wherein the components are all universal standard components or components known by technicians in the field, and the structure and principle of the quick coupling can be known by the technicians in the field or by conventional experimental methods.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.