Surface treatment device for safety belt system precision pipe fitting production

By designing a surface treatment device for the production of precision pipe fittings for safety belt systems, the problem of bubbles caused by uneven coating coverage was solved, achieving uniform penetration and curing of the coating, and improving the corrosion resistance and treatment quality of the pipe fittings.

CN223902176UActive Publication Date: 2026-02-13NANJING HUAMAI AUTOMOTIVE PARTS MFG CO LTD
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Patent Information

Application Number
CN202520381908.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-02-13
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

In the production of precision tubing for existing seatbelt systems, the coating cannot evenly cover the surface of the tubing, resulting in bubbles, which affects corrosion resistance, and the coating is wasted and cannot be recycled.

Method used

Design a surface treatment device comprising an immersion tank, a receiving tank, a receiving rod, a restraining ring, a clamp, and a filter screen. By immersing, holding, and filtering the tubing, the device ensures uniform penetration and curing of the coating, avoids air bubbles, and improves quality.

Benefits of technology

This achieved uniform coating coverage, enhanced the corrosion resistance and adhesion of pipe fittings, reduced waste, and improved the quality of the treatment equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a surface treatment device for safety belt system precision pipe fitting production, which comprises a soaking box body, a plurality of accommodating grooves are formed in both sides of the soaking box body, a staying box is arranged on one side of the soaking box body, second limiting holes are formed in both sides of the staying box, and a filter frame is arranged in the staying box. Wherein the two containing grooves are internally provided with containing rods, one end of each containing rod is sleeved with a plurality of binding rings, the bottoms of the binding rings are all provided with chains, one ends of the chains are all provided with clamping hooks, and the containing grooves, the containing rods, the binding rings, the clamping hooks, the staying box and the filter screen are arranged, so that paint is injected into the soaking box body; the coating is clamped into the top of the staying box and stays for a period of time, so that it is ensured that the coating fully permeates and covers the surface of the pipe fitting, bubbles are avoided, curing and forming of the coating are facilitated, the quality of the treatment device is improved, and the filter screen mainly can filter redundant coating.
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Description

TECHNICAL FIELD

[0001] The utility model relates to safety belt system precision pipe production technical field, especially in safety belt system precision pipe production with surface treatment device for pipe. BACKGROUND

[0002] The automatic tightening device of the safety belt relies on hydraulic and pneumatic systems to realize, and the precision pipe is used for transmitting liquid and gas pressure, thereby driving the reel and tensioner of the safety belt, and the pipe needs to be surface treated during production, the surface treatment includes coating treatment, a protective coating is added to the surface of the pipe through dip coating of the pipe, corrosion is prevented, and the appearance is improved, the coating used is epoxy resin coating, the epoxy resin coating has corrosion resistance, adhesion and mechanical strength, and can enhance the corrosion resistance and adhesion of the pipe under the immersion of the pipe.

[0003] After the pipe is immersed in the epoxy resin coating, the space of the treatment device is limited, the immersed pipe needs to be fished out from the inside of the treatment device immediately for storage, and there is not enough time for the coating to stay and penetrate the surface of the pipe, the coating cannot uniformly cover the entire surface of the pipe, bubbles appear on the surface of the pipe, the corrosion resistance of the pipe is affected, the coating is wasted, the excess coating cannot be recycled, and the quality of the treatment device is reduced, therefore, a surface treatment device for safety belt system precision pipe production is designed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a surface treatment device for safety belt system precision pipe production, which solves the problem that the coating cannot uniformly cover the entire surface of the pipe, bubbles appear on the surface of the pipe, the corrosion resistance of the pipe is affected, and the coating is wasted.

[0005] To achieve the above object, the utility model provides the following technical scheme: a surface treatment device for safety belt system precision pipe production, comprising an immersion tank, a plurality of accommodating grooves are formed in the two sides of the immersion tank, a stay tank is arranged on one side of the immersion tank, second limiting holes are formed in the two sides of the stay tank, a filter frame is arranged in the stay tank, two accommodating rods are placed in the two accommodating grooves, a plurality of restraint rings are arranged on one end of the accommodating rod, a plurality of locks are arranged at the bottom of the plurality of restraint rings, and a plurality of clamping hooks are arranged at one end of the plurality of locks.

[0006] As a preferred technical scheme of the utility model, a plurality of first limiting holes are formed in the two sides of the immersion tank, and a positioning sleeve is fixedly arranged on the two ends of the accommodating rod.

[0007] As a preferred technical scheme of the utility model, the bottom of two positioning sleeves is fixedly installed with a positioning plate, one side of two positioning plates is provided with a limiting strip, and one end of two limiting strips is respectively in threaded connection with the inside of a plurality of first limiting holes and two second limiting holes.

[0008] As a preferred technical scheme of the utility model, two positioning sleeves are correspondingly arranged.

[0009] As a preferred technical scheme of the utility model, one side of the stay box is connected with a flow guide pipe, and the inside of the filter frame is fixedly installed with a filter screen.

[0010] As a preferred technical scheme of the utility model, the top of the flow guide pipe is provided with a control valve.

[0011] As a preferred technical scheme of the utility model, a plurality of binding rings are respectively fixedly sleeved with one end of the containing rod.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses a containing groove, containing rod, binding ring, hook, stay box and filter screen are set up, the pipe fitting of safety belt is clamped to the inner layer of hook, then the both ends of containing rod are embedded to the inside of two containing grooves, the inside of soaking box body is injected with paint, a plurality of pipe fittings are soaked in paint, the purpose is to enhance the corrosion resistance and adhesion of pipe fitting, after soaking, containing rod is removed from the inside of soaking box body upwards, and is kept in the top of stay box for a period of time, the purpose is to ensure that paint fully penetrates and covers the surface of pipe fitting, avoids the emergence of air bubble, also helps coating solidification forming, improves the quality of treatment device, and the filter screen can mainly filter excess paint.

[0014] 2、The utility model discloses a positioning plate, limiting strip, first limiting hole and second limiting hole are set up, after containing rod is embedded to the inside of containing groove, one end of limiting strip is sequentially embedded to the inside of first limiting hole, the screw thread connection of both, can limit and fix containing rod and soaking box body, and the screw thread connection of limiting strip and second limiting hole can realize the installation of containing rod and stay box, and the firmness of containing rod is further ensured through the structure, the spring hook is used for the hook, the clamping part of hook is opened by pressing drawbar, allows pipe fitting to enter the inside of hook, releases drawbar, and the spring in built -in is used for the automatic recovery of hook in situ, and pipe fitting is clamped quickly. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view structural schematic diagram of the utility model;

[0016] Figure 2The partial side view structural schematic diagram of the utility model;

[0017] Figure 3 The partial side view structural schematic diagram of the utility model; Figure 2 The enlarged view of A in the middle;

[0018] Figure 4 The partial side view structural schematic diagram of the utility model.

[0019] In the figure: 1, soaking box body; 2, containing groove; 3, stay box; 4, flow guide pipe; 5, control valve; 6, containing rod; 7, positioning sleeve; 8, positioning plate; 9, limiting strip; 10, first limiting hole; 11, restraint ring; 12, chain; 13, clamping hook; 14, filter frame; 15, filter screen. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme of surface treatment device for safety belt system precision pipe production:

[0022] Embodiment one:

[0023] As Figures 1-3 shown, a kind of surface treatment device for safety belt system precision pipe production, including soaking box body 1, the both sides of soaking box body 1 are all set with multiple containing grooves 2, the side of soaking box body 1 is provided with stay box 3, the both sides of stay box 3 are all set with second limiting hole, the inside of stay box 3 is provided with filter frame 14, and the inside of two containing grooves 2 is rested with containing rod 6, the end of containing rod 6 is sleeved with multiple restraint rings 11, the bottom of multiple restraint rings 11 is all provided with chain 12, and the one end of multiple chain 12 is all provided with clamping hook 13, containing rod 6 is removed from the inside of soaking box body 1 upwards, so that it is clamped into the top of stay box 3 and stays for a period of time, the purpose is to ensure that paint penetrates fully and covers the surface of pipe, avoid bubble to appear, also help coating solidification forming, improve the quality of processing device, filter screen 15 mainly can filter excess paint.

[0024] Embodiment two:

[0025] On the basis of embodiment one, as Figure 1 and Figure 4As shown, the bottom of the two positioning sleeves 7 is fixedly provided with a positioning plate 8, one side of the two positioning plates 8 is provided with a limiting strip 9, one end of the two limiting strips 9 is respectively screwed with a plurality of first limiting holes 10 and the inside of two second limiting holes, through the positioning plate 8, the limiting strip 9, the first limiting hole 10 and the second limiting hole, after the containing rod 6 is embedded into the containing groove 2, one end of the limiting strip 9 is sequentially embedded into the inside of the first limiting hole 10, the screw connection of the two can limit and fix the containing rod 6 and the soaking box body 1, and the screw connection of the limiting strip 9 and the second limiting hole can realize the installation of the containing rod 6 and the staying box 3.

[0026] Working principle: the automatic tightening device of the safety belt relies on hydraulic and pneumatic system to realize, precise pipe fitting is used for transmitting liquid and gas pressure, so as to drive the retractor and tensioner of the safety belt, and the pipe fitting needs to be surface treated in production, the surface treatment includes coating treatment, a protective coating is added to the surface of the pipe fitting by dip coating, so as to prevent corrosion and improve the appearance, the coating used is epoxy resin coating, the epoxy resin coating has corrosion resistance, adhesion and mechanical strength, after the pipe fitting is soaked in the epoxy resin coating, due to the limited space of the treatment device, the pipe fitting after soaking needs to be immediately fished out from the inside of the treatment device for storage, and there is not enough time for the coating to stay and penetrate into the surface of the pipe fitting, the coating cannot uniformly cover the whole surface of the pipe fitting, bubbles will appear on the surface of the pipe fitting, the corrosion resistance of the pipe fitting is affected, the coating is also wasted, the excess coating cannot be recycled, and the quality of the treatment device is reduced, therefore, a surface treatment device for precise pipe fitting production of a safety belt system is designed, first, the pipe fitting for the safety belt is manually clamped to the inner layer of the clamping hook 13, then the two ends of the containing rod 6 are embedded into the inside of the two containing grooves 2, the coating is injected into the inside of the soaking box body 1, so that the plurality of pipe fittings are soaked in the coating, the purpose is to enhance the corrosion resistance and adhesion of the pipe fitting, after soaking, the containing rod 6 is moved upwards from the inside of the soaking box body 1, and is clamped into the top of the staying box 3 to stay for a period of time, the purpose is to ensure that the coating fully penetrates and covers the surface of the pipe fitting, so as to avoid the appearance of bubbles, and also helps the coating to be cured and formed, the quality of the treatment device is improved, the filter screen 15 mainly filters the excess coating, after the containing rod 6 is embedded into the containing groove 2, one end of the limiting strip 9 is sequentially embedded into the inside of the first limiting hole 10, the screw thread connection of the two realizes the limiting and fixing of the containing rod 6 and the soaking box body 1, and the screw thread connection of the limiting strip 9 and the second limiting hole realizes the installation of the containing rod 6 and the staying box 3, the structure further guarantees the firmness of the containing rod 6, the clamping hook 13 is a spring clamping hook, the clamping hook 13 is pressed, the clamping part of the clamping hook 13 is opened, the pipe fitting is allowed to enter the clamping hook 13, the clamping hook 13 is automatically restored to the original position by the built-in spring, and the pipe fitting is quickly clamped, the recovered coating can be guided to the outside through the flow guide pipe 4 by rotating the control valve 5 for collection.

[0027] In the description of the utility model, it is understood that the indicated direction or position relation is based on the direction or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicated or implied that the indicated device or element must have a specific direction, a specific direction structure and operation, therefore, it cannot be understood as the limitation of the utility model.

[0028] In the utility model, unless another definite provision and limitation, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for ordinary skill in the art to the person, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A surface treatment device for safety belt system precision pipe production, comprising a soaking box body (1), characterized in that: The soaking box (1) is provided with a plurality of containing grooves (2) on both sides, a stay box (3) is arranged on one side of the soaking box (1), second limiting holes are arranged on both sides of the stay box (3), a filter frame (14) is arranged in the stay box (3), two containing rods (6) are arranged in the containing grooves (2), a plurality of restraint rings (11) are arranged on one end of the containing rod (6), a plurality of shackles (12) are arranged on the bottom of the restraint rings (11), and a plurality of clamping hooks (13) are arranged on one end of the shackles (12).

2. The surface treatment device for a safety belt system precision pipe production according to claim 1, characterized in that: The soaking box (1) is provided with a plurality of first limiting holes (10) on both sides, and the containing rod (6) is fixedly sleeved with a positioning sleeve (7) at both ends.

3. The surface treatment device for a safety belt system precision pipe production according to claim 2, characterized in that: The bottom of the two positioning sleeves (7) is fixedly installed with a positioning plate (8), one side of the two positioning plates (8) is provided with a limiting strip (9), and one end of the two limiting strips (9) is respectively screwed with a plurality of first limiting holes (10) and two second limiting holes.

4. The surface treatment device for a safety belt system precision pipe production according to claim 3, characterized in that: The positions of the two positioning sleeves (7) correspond to each other.

5. The surface treatment device for a safety belt system precision pipe production according to claim 1, characterized in that: The stay box (3) is connected with a flow guide pipe (4) on one side, and the filter frame (14) is fixedly installed with a filter screen (15) in the inside.

6. The surface treatment device for a safety belt system precision pipe production according to claim 5, characterized in that: The top of the flow guide pipe (4) is provided with a control valve (5).

7. The surface treatment device for a safety belt system precision pipe production according to claim 1, characterized in that: A plurality of restraint rings (11) are fixedly sleeved with one end of the containing rod (6) respectively.