Quick plugging connection structure of extrusion pipe and ash filter

Abstract

The utility model provides a quick plug-pull connecting structure of an extrusion pipe and an ash filter, which comprises an extrusion pipe body, an injection molding joint and an ash filter body, one end of the injection molding joint is provided with an extrusion pipe connecting port, and the other end of the injection molding joint is provided with an ash filter connecting port. The extrusion pipe body is provided with an annular step clamping piece, the annular step clamping piece is used for being clamped into the extrusion pipe connector, and the ash filter connector is used for being connected with the ash filter body. According to the quick plug-pull connecting structure for the extrusion pipe and the ash filter, the connecting structure is simplified, the installation efficiency is not affected, the production efficiency is improved, and the cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile dust filters, and in particular relates to a quick plug-in connection structure between an extrusion tube and a dust filter. Background Art

[0002] The dust filter of the car (ash filter for short) needs to be connected to the extruded pipe for use. The existing pipeline quick-connect joints need to place a rubber seal ring inside the joint, in order to prefabricate the installation groove of the seal ring and the elastic clamp of the joint. The injection molded quick-connect joint is usually assembled from multiple injection molded parts, with a complex structure and high cost.

[0003] At present, quick-connect connectors are assembled with multiple injection molded parts such as elastic clamps, sealing rings and fixing rings, and sealing rings. Because of the nested structure, the assembly requirements are high and the assembly process is complicated. The sealing ring or sealing ring fixing ring is on the inner side of the clamp, and it is not easy to be detected by visual inspection if it is missing. In addition, the existing quick-connect connector structure is relatively complex, requiring multiple precision injection molded parts to be assembled, and the manufacturing cost is high. Utility Model Content

[0004] The main purpose of the utility model is to provide a quick plug-in connection structure for an extruded tube and an ash filter, which simplifies the connection structure, improves the production efficiency and reduces the cost without affecting the installation efficiency.

[0005] In order to achieve the above objectives, the utility model provides a quick plug-in connection structure between an extruded tube and an ash filter, which comprises an extruded tube body, an injection molded joint, and an ash filter body, one end of the injection molded joint being arranged as an extruded tube connection port, and the other end of the injection molded joint being arranged as an ash filter connection port, an annular step clamping piece being arranged on the extruded tube body, and the annular step clamping piece being used to clamp into the interior of the extruded tube connection port, and the ash filter connection port being used to connect the ash filter body.

[0006] In a possible implementation, the extrusion tube connection port is a rigid structure, and the ash filter connection port is an elastic structure.

[0007] In a possible implementation, the ash filter body is provided with an ash filter plug, and the diameter of the ash filter plug is larger than the inner diameter of the ash filter connection port in a natural state.

[0008] In a possible implementation, a rubber sealing ring is provided between the extrusion tube body and the injection joint.

[0009] In a possible implementation, a sealing ring pre-groove is provided in the injection joint, and the rubber sealing ring is provided in the sealing ring pre-groove.

[0010] The ash filter plug is the air outlet joint of the ash filter body. This structure is integrally injection molded with the ash filter body. There is an annular step on the outer diameter of the ash filter plug and a complete and smooth annular cylindrical surface on the inner diameter of the ash filter plug. The injection molded joint is a single injection molded part structure, one end of which is an elastic ash filter connection port that is clamped with the ash filter plug. When the ash filter plug is pulled out, the fingers compress the finger pressing positions on both sides of the elastic ring to deform the elastic ring and make the inner clip of the ring open radially. The clip is released from the annular step of the ash filter plug to pull out the joint.

[0011] The other end of the injection molding joint is a rigid extrusion pipe connection port, which is clamped in the annular step clamping piece; the rubber sealing ring is nested in the sealing ring preset groove; the extrusion pipe body is plastic extrusion-molded, and the extruded pipeline is usually a smooth straight pipe. The injection molding joint is inserted and left on the extrusion pipeline to expose the end of the extrusion pipeline, and then the sealing rings are put on in turn and pushed to the annular step clamping piece of the extrusion pipe body to achieve rigid clamping and fixation.

[0012] In summary, the quick plug-in connection joint between the extruded tube and the ash filter provided by the utility model uses an injection molded joint to connect the extruded tube body and the ash filter body, which is easy to plug and unplug, and improves the production efficiency and reduces the cost without affecting the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of a quick plug-in connection structure between an extrusion tube and an ash filter. DETAILED DESCRIPTION

[0014] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0015] In the description of the present application, it should be understood that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0016] In the description of this application, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0017] See attached figure Figure 1 , Figure 1 This is a schematic diagram of a quick plug-in connection structure between an extrusion tube and an ash filter provided by the utility model, such as Figure 1 As shown, the utility model provides a quick-insertion connection between an extrusion tube and an ash filter, comprising an extrusion tube body 1, an injection molded joint 2, and an ash filter body 3, wherein one end of the injection molded joint 2 is arranged as an extrusion tube connection port 21, and the other end of the injection molded joint 2 is arranged as an ash filter connection port 22, and an annular step clamping piece 4 is arranged on the extrusion tube body 1, and the annular step clamping piece 4 is used to clamp into the inside of the extrusion tube connection port 21, and the ash filter connection port 22 is used to connect the ash filter body 3.

[0018] In a possible implementation, the extrusion tube connection port 21 is a rigid structure, and the ash filter connection port 22 is an elastic structure.

[0019] In a possible implementation, the ash filter body 3 is provided with an ash filter plug 5 , and the diameter of the ash filter plug 5 is larger than the inner diameter of the ash filter connection port 22 in a natural state.

[0020] In a possible implementation, a rubber sealing ring 6 is provided between the extruded tube body 1 and the injection joint 2 .

[0021] In a possible implementation, a sealing ring pre-groove 7 is provided in the injection joint 2 , and the rubber sealing ring 6 is provided in the sealing ring pre-groove 7 .

[0022] The ash filter plug 5 is the air outlet joint of the ash filter body 3. The structure is integrally injection molded with the ash filter body 3. There is an annular step on the outer diameter of the ash filter plug 5, and a complete and smooth annular cylindrical surface on the inner diameter of the ash filter plug 5; the injection molded joint 2 is a single injection molded part structure, one end of which is an elastic ash filter connecting port 22 that is clamped with the ash filter plug 5. When the ash filter plug 5 is pulled out, the fingers compress the finger pressing positions on both sides of the elastic ring to deform the elastic ring and make the inner side clip of the ring open radially. The clip is released from the annular step of the ash filter plug 5 to pull out the joint.

[0023] The other end of the injection joint 2 is a rigid extrusion pipe connection port 21, which is clamped in the annular step clamping piece 4; the rubber sealing ring 6 is nested in the sealing ring pre-set groove 7; the extrusion pipe body 1 is plastic extrusion-molded, and the extruded pipeline is usually a smooth straight pipe. The injection joint 2 is inserted and left on the extrusion pipeline to expose the end of the extrusion pipeline, and then the sealing rings are put on in turn and pushed to the annular step clamping piece 4 of the extrusion pipe body 1 to achieve rigid clamping and fixation.

[0024] In summary, the quick plug-in connection joint between the extruded tube and the ash filter provided by the utility model uses an injection molded joint to connect the extruded tube body and the ash filter body, which is easy to plug and unplug, and improves the production efficiency and reduces the cost without affecting the installation efficiency.

[0025] It is worth mentioning that for those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. 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. A quick plug-in connection structure between an extruded tube and an ash filter, characterized in that: It includes an extrusion tube body, an injection molding joint, and an ash filter body. One end of the injection molding joint is set as an extrusion tube connection port, and the other end of the injection molding joint is set as an ash filter connection port. The extrusion tube body is provided with an annular step clamping piece, and the annular step clamping piece is used to clamp into the inside of the extrusion tube connection port. The ash filter connection port is used to connect the ash filter body.

2. The quick plug-in connection structure of the extruded tube and the ash filter according to claim 1, characterized in that: The extrusion pipe connection port is a rigid structure, and the ash filter connection port is an elastic structure.

3. The quick plug-in connection structure of the extruded tube and the ash filter according to claim 2, characterized in that: The ash filter body is provided with an ash filter plug, and the diameter of the ash filter plug is larger than the inner diameter of the ash filter connection port in a natural state.

4. The quick plug-in connection structure of the extruded tube and the ash filter according to claim 3, characterized in that: A rubber sealing ring is arranged between the extrusion tube body and the injection joint.

5. The quick plug-in connection structure of the extruded tube and the ash filter according to claim 4, characterized in that: A sealing ring pre-groove is arranged in the injection joint, and the rubber sealing ring is arranged in the sealing ring pre-groove.

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