Injection molding woven noise reduction pipe connecting structure

By designing an injection molded braided noise reduction tube connection structure including a mobile plate, a curved plate and a spring, the problem that the prior art cannot effectively support the inner wall of the braided tube is solved, and better molding effect and production efficiency are achieved.

CN222521890UActive Publication Date: 2025-02-25CHANGCHUN AORUIJIA AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520066109.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-02-25
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

The existing injection molded braided noise reduction pipe connection structure cannot effectively support the inner wall of the braided pipe, resulting in poor molding effect.

Method used

A structure including connecting pipe, mounting pipe, moving plate, arc-shaped retardation plate and spring is designed. By pressing and pressing the pressing block, the mobile plate and arc-shaped retardation plate are driven close to the outer wall of the braided noise reduction tube, and the inner wall is supported. , and injection molding of plastic liquid through a funnel.

Benefits of technology

Effectively support the inner wall of the braided pipe, improve the molding effect of injection molding, simplify operation, and improve production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222521890U_ABST
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Abstract

The utility model relates to the field of noise reduction pipe connecting structures, and discloses an injection molding woven noise reduction pipe connecting structure which comprises a connecting pipe, a mounting pipe is fixedly arranged on the outer wall of the connecting pipe in a sleeved mode, and two moving plates are connected to one side of the mounting pipe in a penetrating mode. Two rectangular blocks are symmetrically and fixedly connected to the inner walls, opposite to the moving plate, of the mounting pipe, a same spring is fixedly connected between the opposite sides of the moving plate and the rectangular blocks, an arc-shaped abutting plate is fixedly connected to the side, away from the mounting pipe, of the moving plate, and a supporting plate is fixedly connected to the outer wall of the connecting pipe; the side, away from the connecting pipe, of the movable plate is fixedly connected with a pressing block. The plastic injection molding device is easy to use, the two movable plates and the arc-shaped abutting plate can be tightly attached to the inner wall of the woven noise reduction pipe through the elastic force of the two springs for supporting, plastic liquid can be injected into the woven noise reduction pipe through the funnel for injection molding, and the receiving box can be used for receiving and collecting the leaked plastic liquid.
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Description

Technical Field

[0001] The utility model relates to the field of noise reduction pipe connection structures, in particular to an injection molded braided noise reduction pipe connection structure. Background Art

[0002] The utility model with the authorization announcement number: CN215095739U discloses an injection molded braided noise reduction pipe connection structure, including an injection molded joint located at one end of the braided noise reduction pipe, the injection molded joint and the connection end of the braided noise reduction pipe are formed with an inlay groove, the end of the braided noise reduction pipe is inlaid in the inlay groove, the inlay groove extends along the inner wall and outer wall direction of the braided noise reduction pipe to form an inner edge and an outer edge respectively, the inner edge and the outer edge are formed with grooves and protrusions on the surface adjacent to the braided noise reduction pipe, and the grooves and protrusions are matched with the textures of the inner and outer surfaces of the braided noise reduction pipe respectively. The utility model can adopt the method of pre-embedded injection molding of the braided noise reduction pipe, utilize the uneven inner and outer surfaces of the braided pipe, inject plastic into the inner and outer surfaces of the braided pipe, and after cooling and solidification, the braided pipe and the joint are firmly connected together, and injection molding is performed in one time. The obtained connection structure makes the braided noise reduction pipe and the injection molded joint cooperate and connect firmly, improves the pull-off force between the braided noise reduction pipe and the joint, and has high reliability. At the same time, it reduces process steps, saves labor costs, and improves production efficiency.

[0003] The above utility model patent cannot support the inner wall of the braided tube, which will cause the connecting structure to be inserted into the braided tube, resulting in a depression on one side of the tube wall and an inability to fully support the braided tube, thereby affecting the molding effect. Therefore, technical personnel in this field provide an injection molded braided noise reduction tube connection structure to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide an injection molded braided noise reduction pipe connection structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection molded braided noise reduction tube connection structure, comprising a connecting tube, a mounting tube is fixedly sleeved on the outer wall of the connecting tube, two movable plates are connected through one side of the mounting tube, two rectangular blocks are symmetrically fixedly connected to the inner wall opposite to the movable plate, a same spring is fixedly connected between the side opposite to the movable plate and the rectangular block, an arc-shaped abutment plate is fixedly connected to the side of the movable plate away from the mounting tube, a support plate is fixedly connected to the outer wall of the connecting tube, a pressing block is fixedly connected to the side of the movable plate away from the connecting tube, and the pressing block passes through the mounting tube and extends to the outside of the mounting tube.

[0006] As a further solution of the utility model: the top of the support plate is fixedly connected with a clamping block, the top of the clamping block is clamped with a U-shaped plug-in block, the top of the U-shaped plug-in block is fixedly connected with a receiving box, and the receiving box is located directly below the connecting pipe.

[0007] As a further solution of the utility model: the top end of the connecting pipe is connected to a funnel, and a handle is fixedly connected to the outer wall of the connecting pipe, and the handle is vertically arranged.

[0008] As a further solution of the utility model: two through holes are symmetrically opened on the outer wall of the installation tube, and the two pressing blocks pass through the two through holes respectively.

[0009] As a further solution of the utility model: a baffle is fixedly connected to one side of the mounting tube close to the arc-shaped abutment plate, two arc-shaped holes are formed through one side of the mounting tube and the baffle, and the movable plate passes through the arc-shaped holes.

[0010] As a further solution of the utility model: a plurality of circular protrusions are arranged in an annular manner on the outer walls of the two arc-shaped abutment plates, and the two arc-shaped abutment plates are located at upper and lower positions of the connecting pipe.

[0011] As a further solution of the utility model: the connecting pipe is L-shaped, and the diameter of the arc-shaped abutment plate is larger than the diameter of the moving plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Pressing the two pressing blocks can drive the two movable plates and the arc-shaped abutment plate to approach each other and stick to the outer wall of the connecting pipe. Then the water outlet of the connecting pipe can be inserted into the braided noise reduction pipe, and then the pressing of the two pressing blocks can be stopped. At this time, the two movable plates and the arc-shaped abutment plate will move away from each other due to the elastic force of the spring. At this time, the movable plates and the arc-shaped abutment plate will stick tightly to the outer wall of the braided noise reduction pipe to prop up its inner wall. The plastic liquid can be easily injected into the connecting pipe through the funnel, and the plastic liquid flowing out of the connecting pipe will enter the braided noise reduction pipe for injection molding.

[0014] The utility model is easy to use, and the two movable plates and the arc-shaped abutment plate can be tightly attached to the inner wall of the braided noise reduction tube for support through the elastic force of two springs, and plastic liquid can be injected into the braided noise reduction tube for injection molding through the funnel, and the receiving box can be used to receive the seeped plastic liquid for collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model from the first perspective;

[0016] Figure 2 It is a three-dimensional schematic diagram of the second viewing angle of the present utility model;

[0017] Figure 3 It is a three-dimensional schematic diagram of a partial explosion of the utility model;

[0018] Figure 4 It is a cross-sectional schematic diagram of the installation pipe in the utility model.

[0019] In the figure: 1. connecting pipe; 2. funnel; 3. handle; 4. pressing block; 5. mounting pipe; 6. baffle; 7. moving plate; 8. arc-shaped abutment plate; 9. circular protrusion; 10. supporting plate; 11. clamping block; 12. U-shaped plug-in block; 13. receiving box; 14. arc-shaped hole; 15. through hole; 16. spring; 17. rectangular block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 4 In the embodiment of the utility model, an injection molded braided noise reduction pipe connection structure includes a connecting pipe 1, a mounting pipe 5 is fixedly sleeved on the outer wall of the connecting pipe 1, two movable plates 7 are connected through one side of the mounting pipe 5, two rectangular blocks 17 are symmetrically fixedly connected to the inner wall of the mounting pipe 5 opposite to the movable plate 7, a same spring 16 is fixedly connected between the opposite sides of the movable plate 7 and the rectangular block 17, an arc-shaped abutment plate 8 is fixedly connected to the side of the movable plate 7 away from the mounting pipe 5, a support plate 10 is fixedly connected to the outer wall of the connecting pipe 1, and the movable plate 7 is fixedly connected to the outer wall of the connecting pipe 1. A pressing block 4 is fixedly connected to the side away from the connecting pipe 1. The pressing block 4 passes through the mounting tube 5 and extends to the outside of the mounting tube 5. Pressing the two pressing blocks 4 can drive the two movable plates 7 and the arc-shaped abutment plate 8 to approach each other and stick to the outer wall of the connecting tube 1. Then the water outlet of the connecting tube 1 can be inserted into the braided noise reduction tube, and then the pressing of the two pressing blocks 4 can be stopped. At this time, the two movable plates 7 and the arc-shaped abutment plate 8 will move away from each other due to the elastic force of the spring 16. At this time, the movable plates 7 and the arc-shaped abutment plate 8 will be tightly attached to the outer wall of the braided noise reduction tube to prop up its inner wall.

[0022] In this embodiment, a clamping block 11 is fixedly connected to the top of the support plate 10, a U-shaped plug-in block 12 is clamped to the top of the clamping block 11, a receiving box 13 is fixedly connected to the top of the U-shaped plug-in block 12, and the receiving box 13 is located directly below the connecting pipe 1. The top of the support plate 10 is clamped to the U-shaped plug-in block 12 through the clamping block 11, and a receiving box 13 is installed on the top of the U-shaped plug-in block 12 for receiving the seeping plastic liquid.

[0023] In this embodiment, a funnel 2 is connected to the top of the connecting tube 1, and a handle 3 is fixedly connected to the outer wall of the connecting tube 1, and the handle 3 is vertically arranged. The funnel 2 can conveniently inject plastic liquid into the connecting tube 1, and the plastic liquid flowing out of the connecting tube 1 will enter the braided noise reduction tube for injection molding.

[0024] In this embodiment, two through holes 15 are symmetrically formed on the outer wall of the mounting tube 5 , and the two pressing blocks 4 pass through the two through holes 15 respectively.

[0025] In this embodiment, the baffle plate 6 is fixedly connected to one side of the mounting tube 5 close to the arc-shaped abutment plate 8 , two arc-shaped holes 14 are formed through one side of the mounting tube 5 and the baffle plate 6 , and the movable plate 7 passes through the arc-shaped holes 14 .

[0026] In this embodiment, a plurality of circular protrusions 9 are arranged in a ring on the outer walls of the two arc-shaped abutment plates 8. The two arc-shaped abutment plates 8 are located at the upper and lower positions of the connecting pipe 1. The circular protrusions 9 arranged on the outer walls of the arc-shaped abutment plates 8 play an anti-slip role, so that the circular protrusions 9 can prevent slipping after contacting the inner wall of the braided noise reduction pipe.

[0027] In this embodiment, the connecting pipe 1 is L-shaped, and the diameter of the arc-shaped abutment plate 8 is larger than the diameter of the moving plate 7 .

[0028] The working principle of the utility model is: pressing the two pressing blocks 4 can drive the two moving plates 7 and the arc-shaped abutment plate 8 to approach each other and stick to the outer wall of the connecting tube 1, then the water outlet of the connecting tube 1 can be inserted into the braided noise reduction tube, and then the pressing of the two pressing blocks 4 can be stopped. At this time, the two moving plates 7 and the arc-shaped abutment plate 8 will move away from each other due to the elastic force of the spring 16. At this time, the moving plates 7 and the arc-shaped abutment plate 8 will tightly stick to the outer wall of the braided noise reduction tube to prop up its inner wall, and the plastic liquid can be conveniently injected into the connecting tube 1 through the funnel 2. The plastic liquid flowing out of the connecting tube 1 will enter the braided noise reduction tube for injection molding, and the top of the support plate 10 is connected to the U-shaped plug block 12 through the clamping block 11. The top of the U-shaped plug block 12 is equipped with a receiving box 13 for receiving the seeped plastic liquid. The circular protrusion 9 arranged on the outer wall of the arc-shaped abutment plate 8 plays an anti-slip role, so that the circular protrusion 9 can prevent slipping after contacting the inner wall of the braided noise reduction tube.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An injection molded braided noise reduction pipe connection structure, comprising a connection pipe (1), characterized in that: A mounting tube (5) is fixedly sleeved on the outer wall of the connecting tube (1), two movable plates (7) are connected through one side of the mounting tube (5), two rectangular blocks (17) are symmetrically fixedly connected to the inner wall of the mounting tube (5) opposite to the movable plate (7), a same spring (16) is fixedly connected between the sides of the movable plate (7) opposite to the rectangular block (17), an arc-shaped abutment plate (8) is fixedly connected to the side of the movable plate (7) away from the mounting tube (5), a support plate (10) is fixedly connected to the outer wall of the connecting tube (1), a pressing block (4) is fixedly connected to the side of the movable plate (7) away from the connecting tube (1), and the pressing block (4) passes through the mounting tube (5) and extends to the outside of the mounting tube (5).

2. The injection molded braided noise reduction pipe connection structure according to claim 1, characterized in that: A clamping block (11) is fixedly connected to the top of the support plate (10), a U-shaped plug-in block (12) is clamped to the top of the clamping block (11), a receiving box (13) is fixedly connected to the top of the U-shaped plug-in block (12), and the receiving box (13) is located directly below the connecting pipe (1).

3. The injection molded braided noise reduction pipe connection structure according to claim 1, characterized in that: The top end of the connecting tube (1) is connected to a funnel (2), and a handle (3) is fixedly connected to the outer wall of the connecting tube (1), and the handle (3) is arranged vertically.

4. The injection molded braided noise reduction pipe connection structure according to claim 1, characterized in that: Two through holes (15) are symmetrically formed on the outer wall of the mounting tube (5), and the two pressing blocks (4) respectively penetrate the two through holes (15).

5. The injection molded braided noise reduction pipe connection structure according to claim 1, characterized in that: A baffle plate (6) is fixedly connected to one side of the mounting tube (5) close to the arc-shaped abutment plate (8); two arc-shaped holes (14) are formed through one side of the mounting tube (5) and the baffle plate (6); and the movable plate (7) passes through the arc-shaped holes (14).

6. The injection molded braided noise reduction pipe connection structure according to claim 1, characterized in that: Multiple circular protrusions (9) are arranged in an annular pattern on the outer walls of the two arc-shaped abutment plates (8), and the two arc-shaped abutment plates (8) are located at upper and lower positions of the connecting pipe (1).

7. The injection molded braided noise reduction pipe connection structure according to claim 1, characterized in that: The connecting pipe (1) is L-shaped, and the diameter of the arc-shaped abutment plate (8) is greater than the diameter of the movable plate (7).

Citation Information

Patent Citations

  • Injection molding woven noise reduction pipe connecting structure

    CN215095739U