A filter screen structure used in an air conditioning pipe of an automobile

Abstract

The utility model discloses a filter screen structure for automobile air conditioner pipeline, including copper hoop, copper hoop is middle -portion through -type structure, the bottom fixed mounting of copper hoop has sealing ring, and sealing ring is also through -type structure, sealing ring and copper hoop contact end fixed connection have fixed ring, the bottom installation of fixed ring has installation ring, and the quick alignment of limiting block and limiting groove is passed to the positioning block locking mechanism of combining screw rod drive, realizes the single tool quick dismounting of filter screen, and the impurity is filtered in step -by -step multilayer filter screen grading, and the fluid pressure is dispersed to inner layer support rib, the whole structure outer wall is smooth without protruding, and sealing washer enhances the gas tightness of connection, avoids installing damage pipeline, and also effectively intercepts aluminium scrap impurity, prevents air conditioning valve core blockage.

Description

Technical Field

[0001] This utility model relates to the field of automotive air conditioning technology, and in particular to a filter structure for use in automotive air conditioning pipelines. Background Technology

[0002] The cleanliness of the air conditioning pipes has always been a pain point in the industry. Aluminum shavings, impurities and other debris generated in the workshop can easily be introduced into the pipes. When the vehicle is being filled or vacuumed, it can easily cause blockage at the valve core. When the vehicle is running, impurities can cause blockage of the expansion valve and compressor failure.

[0003] This patented solution effectively addresses the risks posed by impurities during vehicle vacuuming or operation by isolating impurities within the pipeline, thus preventing any impact on the overall vehicle operation. Utility Model Content

[0004] The purpose of this utility model is to provide a filter structure for automotive air conditioning pipes, which solves the problem in the prior art that aluminum shavings, impurities, etc. generated in the workshop can easily be brought into the pipes when cleaning the air conditioning pipes.

[0005] To achieve the above objectives, a filter structure for use in automotive air conditioning pipes is provided, including a copper hoop, which is a through-type structure in the middle. A sealing ring is fixedly installed at the bottom of the copper hoop, and the sealing ring is also a through-type structure. A fixing ring is fixedly connected to the contact end of the sealing ring and the copper hoop, and an installation ring is installed at the bottom of the fixing ring. A filter screen is fixedly connected to the bottom of the mounting ring, and the inner end of the filter screen is in contact with the sealing ring. Limiting blocks are fixedly connected to both ends of the top of the mounting ring, and limiting grooves are opened at both ends of the bottom of the mounting ring. The limiting blocks and the limiting grooves correspond to each other.

[0006] According to the filter structure for use in automotive air conditioning pipes, the two ends of the fixing ring are provided with mounting holes, the mounting holes are not completely through-hole structures, and the interior of the mounting holes is rotatably connected with screws.

[0007] According to the filter structure for use in automotive air conditioning pipes, the bottom of the fixing ring is provided with a groove, and the groove is located on one side of the limiting groove, and the screw is also rotatably connected inside the groove.

[0008] According to the filter structure for use in automotive air conditioning pipes, the outer end of the screw is threaded with a positioning block, the positioning block is disposed through the inside of the limiting groove, and the inside of the limiting block is disposed through the positioning groove, the positioning block and the positioning groove corresponding to each other.

[0009] According to the filter structure for use in automotive air conditioning pipes, a limiting plate is fixedly connected to one end of the positioning block near the mounting hole, and slide rails are fixedly connected to both ends of the inner side of the slot, with the limiting plate slidably connected to the slide rails.

[0010] The above-mentioned solution has the following beneficial effects: 1. This device achieves quick assembly and disassembly of the filter screen with a single tool through the rapid alignment of the limiting block and the limiting groove, combined with the locking mechanism of the positioning block driven by the screw; the stepped multi-layer filter screen filters impurities in stages, and the inner support rib disperses fluid pressure; the overall structure has a smooth outer wall without protrusions, and the sealing ring enhances the airtightness of the connection, which not only avoids damage to the pipeline during installation, but also effectively intercepts aluminum shavings and impurities, preventing the air conditioning valve core from clogging.

[0011] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments; Figure 1 This is a schematic diagram of the overall structure of a filter structure for use in automotive air conditioning pipes according to the present invention. Figure 2 This is a schematic diagram of the filter installation for a filter structure used in automotive air conditioning pipes according to this utility model; Figure 3 This is a schematic diagram of a copper hoop for a filter structure used in automotive air conditioning pipes according to the present invention; Figure 4 This utility model relates to a filter structure for use in automotive air conditioning pipes. Figure 3 A schematic diagram of the structure of A in the middle.

[0013] Legend: 1. Copper hoop; 2. Filter screen; 3. Mounting ring; 4. Fixing ring; 5. Limiting groove; 6. Sealing ring; 7. Limiting block; 8. Positioning groove; 9. Screw; 10. Limiting plate; 11. Positioning block; 12. Slot; 13. Mounting hole; 14. Slide rail. Detailed Implementation

[0014] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0015] Reference Figure 1-4This utility model provides a filter structure for use in automotive air conditioning pipes, including a copper hoop 1, which is a through-type structure in the middle. A sealing ring 6 is fixedly installed at the bottom of the copper hoop 1, and the sealing ring 6 is also a through-type structure. A fixing ring 4 is fixedly connected to the contact end of the sealing ring 6 and the copper hoop 1. An installation ring 3 is installed at the bottom of the fixing ring 4. After the filter screen 2 is installed, it can contact the inner sealing ring 6. When the copper hoop 1 is subsequently inserted into the pipe, it can filter and intercept impurities and waste. In addition, the fixing ring 4 at the outer end can cooperate with the installation ring 3 at the outer end of the filter screen 2 to achieve quick installation of the filter screen 2. The bottom of the mounting ring 3 is fixedly connected to the filter screen 2. The inner end of the filter screen 2 is in contact with the sealing ring 6. The top two ends of the mounting ring 3 are fixedly connected to the limiting blocks 7. The bottom two ends of the fixing ring 4 are provided with limiting grooves 5. The limiting blocks 7 and the limiting grooves 5 correspond to each other. The mutual correspondence of the limiting blocks 7 and the limiting grooves 5 can realize the quick docking of the filter screen 2. In addition, the sealing ring is installed inside the limiting groove 5, which can form a sealing structure after the two are connected, greatly improving the sealing effect after the two are connected. The fixed ring 4 has mounting holes 13 at both ends. The mounting holes 13 are not completely through structures. The screw 9 is rotatably connected inside the mounting holes 13. By setting the mounting holes 13, the screw 9 can rotate inside without being exposed. During installation, the outside of the fixed ring 4 is smooth, avoiding damage to the pipeline. The bottom of the fixing ring 4 is provided with a slot 12, and the slot 12 is located on one side of the limiting groove 5. The screw 9 is also rotatably connected inside the slot 12. The outer end of the screw 9 is threaded with a positioning block 11, which is installed through the inside of the limiting groove 5. The inside of the limiting block 7 is provided with a positioning groove 8, and the positioning block 11 and the positioning groove 8 correspond to each other. The mounting ring 3 is aligned with the top fixing ring 4, and the limiting block 7 is aligned with the limiting groove 5 to ensure that the two can be connected. After the limiting block 7 enters the inside of the limiting groove 5, the operator uses an external flathead screwdriver to rotate the screw 9. Under the action of the threaded engagement and the limiting component, the positioning block 11 can be moved. The positioning block 11 enters the limiting groove 5 from the inside of the slot 12 and can cooperate with the positioning groove 8 to complete the quick locking and installation of the mounting ring 3 and the filter screen 2. The positioning block 11 is fixedly connected to a limiting plate 10 at one end near the mounting hole 13. The inner two ends of the slot 12 are fixedly connected to slide rails 14. The limiting plate 10 is slidably connected to the slide rails 14. By setting the slide rails 14 and the limiting plate 10 that cooperates with them, the positioning block 11 can be restricted, thereby improving the stability of the positioning block 11 during sliding and insertion. The filter screen has a stepped multi-layer woven structure: the outer layer is a coarse mesh (intercepting large particles), the middle layer is a fine mesh (filtering micro-debris), and the inner layer has annular support ribs (stamped integrally with the filter screen). The support ribs are in contact with the inner wall of the sealing ring 6 to disperse fluid pressure.

[0016] Working principle: When installing the filter, first align the mounting ring 3 with the top fixing ring 4, and align the limiting block 7 with the limiting groove 5 to ensure they can connect properly. After the limiting block 7 enters the limiting groove 5, the operator uses a flathead screwdriver to rotate the screw 9. Under the action of the threaded engagement and the limiting component, the positioning block 11 can move. The positioning block 11 enters the limiting groove 5 from the slot 12 and can cooperate with the positioning groove 8 to quickly lock the mounting ring 3 and filter 2, which also facilitates subsequent disassembly and improves the overall installation stability of the filter. Then, the entire copper hoop 1 is vertically connected to the automotive air conditioning pipeline and interference fit is made to prevent aluminum shavings and impurities from being easily brought into the pipeline during internal cleaning of the air conditioning pipeline, which can easily cause blockage at the valve core during vehicle filling and vacuuming, thus improving the filtration effect.

[0017] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A filter screen structure for use in an air conditioning line of an automobile, comprising a copper band (1), characterized in that, The copper hoop (1) is a through-type structure in the middle. A sealing ring (6) is fixedly installed at the bottom of the copper hoop (1). The sealing ring (6) is also a through-type structure. A fixing ring (4) is fixedly connected to the contact end of the sealing ring (6) and the copper hoop (1). An installation ring (3) is installed at the bottom of the fixing ring (4). The bottom of the mounting ring (3) is fixedly connected to a filter screen (2), the inner end of the filter screen (2) is in contact with the sealing ring (6), the top two ends of the mounting ring (3) are fixedly connected to limit blocks (7), and the bottom two ends of the fixing ring (4) are provided with limit grooves (5), the limit blocks (7) and the limit grooves (5) correspond to each other.

2. The filter screen structure for use in an air conditioning line of an automobile according to claim 1, wherein The fixed ring (4) has mounting holes (13) at both ends. The mounting holes (13) are not completely through-hole structures. A screw (9) is rotatably connected inside the mounting holes (13).

3. The filter screen structure for use in an air conditioning line of an automobile according to claim 2, wherein The bottom of the fixing ring (4) is provided with a slot (12), and the slot (12) is located on one side of the limiting groove (5), and the screw (9) is also rotatably connected inside the slot (12).

4. The filter screen structure for use in an air conditioning line of an automobile according to claim 3, wherein The screw (9) has a positioning block (11) threaded on its outer end. The positioning block (11) is disposed inside the limiting groove (5). The limiting block (7) has a positioning groove (8) disposed inside it. The positioning block (11) and the positioning groove (8) correspond to each other.

5. The filter screen structure for use in an air conditioning line of an automobile according to claim 4, wherein The positioning block (11) is fixedly connected to a limiting plate (10) at one end near the mounting hole (13), and the inner two ends of the slot (12) are fixedly connected to slide rails (14), and the limiting plate (10) is slidably connected to the slide rails (14).

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