Automobile air conditioner pipeline joint

Abstract

The utility model belongs to the technical field of pipeline joints, and discloses an automobile air conditioner pipeline joint. Comprising a connector and an access pipe, clamping assemblies are arranged on the outer side of the connector and the outer side of the access pipe, fixing rods are installed on the inner wall of the connector and the inner wall of the access pipe, fixing blocks are installed on the fixing rods, the outer sides of the fixing blocks are slidably sleeved with sliding barrels, and buffer springs are elastically connected between the sliding barrels and the fixing blocks. A baffle is installed at the end, away from the fixing block, of the sliding barrel. The connector and the connecting pipe are fixed through the clamping assembly, compared with a welding mode, the clamping assembly is convenient to disassemble and assemble and can be repeatedly used, the connecting ring and the rubber ring are additionally arranged, the sealing performance between the connector and the connecting pipe is improved, and when the connector and the connecting pipe are not connected, the limiting ring is closed through the baffle, and the connector and the connecting pipe are connected, the sealing performance is good. The baffle opens the limiting ring to achieve liquid circulation, liquid leakage can be prevented when the pipeline is disassembled or assembled, and the pipeline replacement cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline joints, and more specifically, to an automobile air-conditioning pipeline joint. Background Art

[0002] With the development of the automobile industry and the improvement of people's living standards, more and more people are starting to use cars, and the comfort of cars has also received more and more attention. The air quality in the car greatly affects the riding comfort. The importance of automobile air conditioning as a system to improve the comfort of passengers has become more and more prominent. The automobile air-conditioning system refers to a system that can regulate the air in the car. The automobile air-conditioning refrigeration system includes air-conditioning compressor, condenser, evaporator, air-conditioning pipeline and expansion valve, etc. The automobile air-conditioning system is mainly connected through pipelines.

[0003] Publication No.: CN209100814U proposes a joint for automobile air-conditioning pipes, including a pipe connection end for fixing the access pipe, a screw connection end with threads tapped on the outer wall and fixedly connected to one end of the pipe connection end, and a through hole set in the middle of the end faces of the pipe connection end and the screw connection end, and also includes a limit table set on the through hole with an inner diameter smaller than the diameter of the access pipe and a guide groove opened on the side of the contact position between the limit table and the access pipe. This device abuts the access pipe through the limit table, and the guide groove guides the molten material flowing to the abutment position into the guide groove, which solves the problem in the prior art that when the air-conditioning aluminum pipe is welded at the pipe end, the molten solder is easy to block the pipe and affect the smooth flow of the pipe. The pipe joint is welded when in use, which is not convenient for subsequent disassembly and installation. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an automobile air-conditioning pipe joint.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile air-conditioning pipe joint, comprising a joint and an access pipe, the outer sides of the joint and the access pipe are provided with a clamping assembly, the inner walls of the joint and the access pipe are both provided with a fixing rod, a fixing block is installed on the fixing rod, a sliding cylinder is provided on the outer sliding sleeve of the fixing block, a buffer spring is elastically connected between the sliding cylinder and the fixing block, a baffle is installed at one end of the sliding cylinder away from the fixing block, and a limiting ring whose inner ring is slidably connected to the baffle is installed on the inner walls of the joint and the access pipe;

[0006] The clamping assembly includes a fixing plate 1 and a fixing plate 2. The top of the fixing plate 1 is provided with a groove, the interior of the groove is elastically connected with a clamping block via a limit spring, and the bottom of the fixing plate 2 is provided with a clamping groove slidably connected to the clamping block.

[0007] Furthermore, a connecting ring is installed at the bottom of the second fixing plate, and a connecting groove which is slidably connected to the connecting ring is opened at the top of the first fixing plate.

[0008] Furthermore, a rubber ring is placed between the connecting groove and the connecting ring.

[0009] Furthermore, the shape of the card block is C-shaped, the contact part between the card slot and the upper end of the card block protrudes outward in a straight line, and a pressing hole slidably connected to the lower end of the card block is opened on the outer side of the fixed plate one, and the lower end of the card block extends out of the outer side of the fixed plate one through the pressing hole.

[0010] Furthermore, an abutting block that abuts against each other is installed at one end of the baffle away from the slide cylinder, and the baffle is conical in shape, and its diameter decreases from large to small near the abutting block.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the joint and the access pipe are fixed by the clamping assembly, which is convenient for disassembly and installation and can be reused compared to the welding method; the connecting ring and the rubber ring are added to increase the sealing between the joint and the access pipe; when the joint and the access pipe are not connected, the baffle closes the limit ring; when the joint and the access pipe are connected, the baffle opens the limit ring to realize the circulation of liquid, which can prevent liquid leakage when disassembling or installing the pipeline and reduce the cost of replacing the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is an exploded view of the overall structure of the utility model;

[0014] Figure 3 This is a cross-sectional view of the assembly effect of the utility model;

[0015] Figure 4 It is a sectional view of the overall structure of the utility model.

[0016] In the figure:

[0017] 1. Connector; 2. Access pipe; 3. Fixed plate 1; 4. Fixed plate 2; 5. Connecting ring; 6. Rubber ring; 7. Limit spring; 8. Block; 9. Fixed rod; 10. Fixed block; 11. Slide; 12. Buffer spring; 13. Baffle; 14. Limit ring; 15. Abutment block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides the following technical solutions: an automobile air-conditioning pipe joint, comprising a joint 1 and an access pipe 2, the outer sides of the joint 1 and the access pipe 2 are provided with a clamping assembly, the inner walls of the joint 1 and the access pipe 2 are both installed with a fixing rod 9, a fixing block 10 is installed on the fixing rod 9, a sliding sleeve 11 is provided on the outer side of the fixing block 10, a buffer spring 12 is elastically connected between the sliding sleeve 11 and the fixing block 10, a baffle 13 is installed at one end of the sliding sleeve 11 away from the fixing block 10, a limiting ring 14 whose inner ring is slidably connected to the baffle 13 is installed on the inner walls of the joint 1 and the access pipe 2, an abutting block 15 abutting against each other is installed at one end of the baffle 13 away from the sliding sleeve 11, the baffle 13 is conical in shape, and its diameter changes from large to small near the abutting block 15.

[0020] The clamping assembly includes a fixing plate 1 3 and a fixing plate 2 4. A groove is provided on the top of the fixing plate 1 3. A clamping block 8 is elastically connected to the inside of the groove through a limit spring 7. A clamping groove slidably connected to the clamping block 8 is provided at the bottom of the fixing plate 2 4. The clamping block 8 is C-shaped. The contact part between the clamping groove and the upper end of the clamping block 8 protrudes outward in a straight line. A pressing hole slidably connected to the lower end of the clamping block 8 is provided on the outer side of the fixing plate 1 3. The lower end of the clamping block 8 extends out of the outer side of the fixing plate 3 through the pressing hole.

[0021] A connecting ring 5 is also installed at the bottom of the fixing plate 2 4 , and a connecting groove slidably connected to the connecting ring 5 is also opened on the top of the fixing plate 1 3 , and a rubber ring 6 is placed between the connecting groove and the connecting ring 5 .

[0022] Working principle: When installing the access pipe 2, the baffle 13 is limited by the buffer spring 12 and the slide tube 11, the outer side of the baffle 13 fits with the inner ring of the limiting ring 14, the internal channels of the connector 1 and the access pipe 2 are closed, first put the rubber ring 6 into the connecting groove at the top of the fixing plate 3, then hold the fixing plate 3, so that the block 8 is squeezed and slides by the hand, and the limiting spring 7 is squeezed during sliding, and then the access pipe 2 is moved closer to the connector 1, so that the connecting ring 5 enters the connecting groove at the top of the fixing plate 3 and fits with the rubber ring 6. The fixing plate 1 3 is closed, at this time, the upper end of the card block 8 is located in the card groove of the fixing plate 2 4, and the fixing plate 1 3 is released. The thrust of the limit spring 7 drives the card block 8 to slide in the opposite direction, and the upper end of the card block 8 is stuck in the card groove of the fixing plate 2 4, thereby completing the installation of the pipeline. At the same time, the abutment blocks 15 squeeze each other to drive the baffle plate 13 to slide, and the baffle plate 13 drives the slide cylinder 11 to squeeze the buffer spring 12, and the baffle plate 13 opens the inner ring of the limit ring 14, the internal channel of the joint 1 and the access pipe 2, thereby realizing the internal conduction of the joint 1 and the access pipe 2.

[0023] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

[0024] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An automobile air conditioning pipe joint, comprising a joint (1) and an access pipe (2), characterized in that: The outer sides of the joint (1) and the access pipe (2) are provided with a clamping assembly, the inner walls of the joint (1) and the access pipe (2) are both provided with a fixing rod (9), a fixing block (10) is installed on the fixing rod (9), a sliding sleeve (11) is provided on the outer side of the fixing block (10), a buffer spring (12) is elastically connected between the sliding sleeve (11) and the fixing block (10), a baffle (13) is installed at one end of the sliding sleeve (11) away from the fixing block (10), and a limiting ring (14) whose inner ring is slidably connected to the baffle (13) is installed on the inner walls of the joint (1) and the access pipe (2); The clamping assembly comprises a fixing plate 1 (3) and a fixing plate 2 (4); a groove is provided on the top of the fixing plate 1 (3); a clamping block (8) is elastically connected to the inside of the groove via a limit spring (7); and a clamping groove is provided on the bottom of the fixing plate 2 (4) for sliding connection with the clamping block (8).

2. The automobile air conditioning pipe joint according to claim 1, characterized in that: A connecting ring (5) is also installed at the bottom of the second fixing plate (4), and a connecting groove slidably connected to the connecting ring (5) is also provided at the top of the first fixing plate (3).

3. The automobile air conditioning pipe joint according to claim 2, characterized in that: A rubber ring (6) is placed between the connecting groove and the connecting ring (5).

4. The automobile air conditioning pipe joint according to claim 3, characterized in that: The shape of the card block (8) is C-shaped, the contact portion between the card slot and the upper end of the card block (8) protrudes outward in a straight line, the outer side of the fixing plate (3) is provided with a pressing hole which is slidably connected to the lower end of the card block (8), and the lower end of the card block (8) protrudes out of the outer side of the fixing plate (3) through the pressing hole.

5. The automobile air conditioning pipe joint according to claim 4, characterized in that: An abutting block (15) abutting against each other is installed at one end of the baffle (13) away from the slide cylinder (11); the baffle (13) is conical in shape, and its diameter decreases as it approaches the abutting block (15).

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