Automatic dust removal device for safety belt ball tube

CN224763829UActive Publication Date: 2026-09-18SUZHOU DEZINDA AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202522235734.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-22
Publication Date
2026-09-18
Estimated Expiration
2035-10-22

AI Technical Summary

Technical Problem

[0004]目前MGG与球管是组装在一起的,通常采用增压缸或伺服压机的形式将二者进行收口固定,收口过程中,因球管变形会出现微量铁屑或者毛边进入MGG的情况,造成碰撞传感器检测到信号后触发点火失效的不良结果,此时清除MGG及球管上的铁屑或者毛边便变得至关重要

Benefits of technology

[0016]Beneficial effects: In this embodiment, an automatic dust removal and cleaning method is adopted. A dust removal chamber is formed by the waste collection box and the dust cover. The second drive component drives the cleaning brush to clean the seat belt tube and the micro gas generator in the dust removal chamber, so that the seat belt tube and the micro gas generator are automatically dusted. This achieves the purpose of cleaning iron filings or burrs on the seat belt tube and the micro gas generator, thereby achieving the technical effect of good assembly and ensuring accurate triggering. This solves the technical problem that currently, the MGG and the tube are assembled together, and usually the two are fixed by a booster cylinder or servo press. During the closing process, due to the deformation of the tube, a small amount of iron filings or burrs will enter the MGG, causing the collision sensor to detect the signal and trigger the ignition failure.

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Abstract

The utility model discloses a safety belt ball pipe automatic dust collector relates to safety belt technical field. Among them, the safety belt ball pipe automatic dust collector, include: a support, a first drive component is along the default direction and is set up in the support one side, an installation board is connected with the output of first drive component, a second drive component is connected with installation board, and is set up with first drive component parallel, a bending piece, one end is connected with the upper surface of installation board, and the other end is located in the output of second drive component just above, a waste collection box is set up in the bending piece of being located in the output of second drive component just above, a dust cover. The utility model, solve the current MGG and ball pipe are assembled together, usually adopt the form of pressure cylinder or servo press to close the mouth fixed, the close mouth process, because the ball pipe deformation will appear trace iron filings or burr into MGG situation, cause the problem of ignition failure after the collision sensor detects the signal trigger point.
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Description

Technical Field

[0001] This utility model relates to the field of seat belt technology, and in particular to an automatic dust removal device for seat belt tubes. Background Technology

[0002] The seatbelt tube (also known as the seatbelt guide ring, seatbelt adjuster, or seatbelt guide) is an important component of the car seatbelt system. It is usually located in the B-pillar (door side pillar) or the shoulder area of ​​the seat. The seatbelt tube is a ring / semi-ring component made of metal or plastic used to fix and guide the sliding path of the seatbelt webbing, ensuring that the seatbelt moves smoothly when contracting and stretching, avoiding twisting or jamming. By restricting the direction of movement of the seatbelt, it allows the occupant to be quickly restrained by the seatbelt in the event of sudden braking or a collision, reducing the degree of forward body tilt and improving the protective effect.

[0003] Meanwhile, the MGG (Miniature Gas Generator) is a core component of automotive seatbelt pretensioning systems, primarily used in pretensioned seatbelts. Its function is to use gas expansion to drive a mechanical structure during a collision, rapidly tightening the webbing to restrict passenger forward movement and thus enhance protection. The core principle of the MGG includes: a collision sensor detects a signal and triggers ignition; the gas pushes a steel ball, rack, or snake structure, which in turn drives a spindle to tighten the webbing via a pinion. The pretension load is set within a safe range to avoid injury to the passenger.

[0004] Currently, the MGG (Metal Gearbox) and X-ray tube are assembled together, typically using a booster cylinder or servo press to fix them in place. During this process, due to X-ray tube deformation, small amounts of metal filings or burrs may enter the MGG. This can cause the collision sensor to detect the signal and trigger ignition failure, making it crucial to remove the metal filings or burrs from both the MGG and the X-ray tube. Currently, no effective solution has been proposed to address this problem. Utility Model Content

[0005] Purpose of the utility model: To provide an automatic dust removal device for a safety belt tube, so as to at least solve one of the problems existing in the prior art.

[0006] Technical solution: An automatic dust removal device for a safety belt-mounted X-ray tube, comprising: A support frame; A first drive component is disposed on one side of the bracket along a preset direction; A mounting plate is connected to the output terminal of the first drive component; A second drive component is connected to the mounting plate and is arranged parallel to the first drive component; A bent component, one end of which is connected to the upper surface of the mounting plate, and the other end is located directly above the output end of the second drive assembly; A waste collection box is disposed on the bent piece located directly above the output end of the second drive component; A dust cover is installed over the waste collection box; and A cleaning brush is located inside the waste collection box and is connected to the output end of the second drive component; The waste collection box and the dust cover together form a dust removal chamber. The second drive component drives the cleaning brush to clean the seat belt tube and the micro gas generator in the dust removal chamber, so that the seat belt tube and the micro gas generator are automatically dusted.

[0007] Preferably, the bracket is further provided with reinforcing ribs on the side away from the first drive assembly to improve strength.

[0008] Preferably, the first driving component includes: a linear guide rail connected to one side of the bracket, a cylinder disposed on the linear guide rail, and a slide table disposed at the output end of the cylinder facing the mounting plate, the slide table being slidably connected to the linear guide rail.

[0009] Preferably, a number of travel limiters are provided on one side of the slide table.

[0010] Preferably, the mounting plate has a first through hole for the output end of the second drive component to move.

[0011] Preferably, the second drive component is a servo motor.

[0012] Preferably, a channel is provided between the inner wall of the waste collection box and the outer wall of the cleaning component, the channel being used for the waste to flow to the bottom of the waste collection box after cleaning.

[0013] Preferably, the dust cover is detachably connected to the waste collection box, and a second through hole is provided on the top of the dust cover for the safety belt tube and the micro gas generator to enter the dust removal chamber.

[0014] Preferably, it also includes: a vacuum cleaner, wherein the waste collection box is connected to the vacuum cleaner via a connector; When waste accumulates to a preset height in the waste collection box, the vacuum cleaner discharges the waste to a designated location.

[0015] Preferably, the vacuum cleaner is a vortex-cooled pneumatic conveyor.

[0016] Beneficial effects: In this embodiment, an automatic dust removal and cleaning method is adopted. A dust removal chamber is formed by the waste collection box and the dust cover. The second drive component drives the cleaning brush to clean the seat belt tube and the micro gas generator in the dust removal chamber, so that the seat belt tube and the micro gas generator are automatically dusted. This achieves the purpose of cleaning iron filings or burrs on the seat belt tube and the micro gas generator, thereby achieving the technical effect of good assembly and ensuring accurate triggering. This solves the technical problem that currently, the MGG and the tube are assembled together, and usually the two are fixed by a booster cylinder or servo press. During the closing process, due to the deformation of the tube, a small amount of iron filings or burrs will enter the MGG, causing the collision sensor to detect the signal and trigger the ignition failure. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the automatic dust removal device for the safety belt ball tube of this utility model; Figure 2 This is a three-dimensional structural schematic diagram of another automatic dust removal device for a safety belt ball tube according to this utility model; Figure 3 This is the front view of the automatic dust removal device for the safety belt ball tube of this utility model; Figure 4 This is a left view of the automatic dust removal device for the safety belt ball tube of this utility model; and Figure 5 This is a cross-sectional view of the automatic dust removal device for the safety belt ball tube of this utility model.

[0018] The attached figures are labeled as follows: 10. Bracket; 101. Reinforcing rib; 20. First drive assembly; 201. Linear guide rail; 202. Cylinder; 203. Slide table; 204. Stroke limit component; 30. Mounting plate; 301. First through hole; 40. Second drive component; 50. Bending parts; 60. Waste collection box; 70. Dust cover; 701. Second through hole; 80. Cleaning parts; 90. Dust removal chamber; 100. Channel; 110. Vacuum cleaner. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0020] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0021] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0022] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] like Figure 1-5 As shown, this application relates to an automatic dust removal device for safety belt X-ray tubes. (As indicated...) Figure 1 As shown, the automatic dust removal device for the safety belt ball tube includes: a support 10; the support 10 refers to the base and frame of the entire device, providing a stable support platform on which all other components (drive components, mounting plate 30, etc.) are directly or indirectly installed; it can ensure the overall rigidity and stability of the equipment and prevent unnecessary vibration or displacement during the cleaning process.

[0024] A first drive assembly 20 is disposed on one side of the bracket 10 along a preset direction; the first drive assembly 20 refers to a linear motion mechanism installed along a preset direction; it provides up-and-down feeding function, driving the entire cleaning unit (including the mounting plate 30 and all components thereon) to move to the designated position of the safety belt tube and the micro gas generator, in preparation for cleaning operations. The preset direction can be vertical.

[0025] A mounting plate 30 is connected to the output end of the first drive assembly 20; it serves as a mounting platform for the second drive assembly 40 and the bending member 50. It acts as a mechanical bridge between the first drive assembly 20 and the second drive assembly 40, enabling the horizontal movement of the first drive assembly 20 to be transmitted to the upper assembly.

[0026] A second drive assembly 40 is connected to the mounting plate 30 and is arranged parallel to the first drive assembly 20; the second drive assembly 40 refers to a rotation mechanism that drives the cleaning brush 80 to rotate in the horizontal direction to simulate the action of a "brush" to scrape off iron filings or burrs.

[0027] A bent component 50 has one end connected to the upper surface of the mounting plate 30, and the other end located directly above the output end of the second drive assembly 40. One end of the bent component 50 is fixed to the upper surface of the mounting plate 30, and the other end (the horizontally bent portion) extends out, located directly above the output end of the second drive assembly 40. It serves as a support and extension structure, "lifting" the waste collection box 60 and the dust cover 70 above the second drive assembly 40 and the cleaning brush component 80, creating an open working space (i.e., a dust removal chamber 90) for the cleaning brush component 80, without affecting the movement of the second drive assembly 40.

[0028] A waste collection box 60 is disposed on the bent member 50 directly above the output end of the second drive assembly 40. The waste collection box 60 is a box or container mounted on the overhanging end of the bent member 50, with its top open and facing the workpiece to be cleaned above. It is capable of capturing and containing dust and debris swept off by the cleaning brush 80. It acts as a "warehouse" for the dust removal system, preventing contaminants from falling onto the production line or other equipment.

[0029] Furthermore, the waste collection box 60 has a discharge port near the bottom, which facilitates efficient waste discharge.

[0030] A dust cover 70 is installed over the waste collection box 60; the dust cover 70 and the waste collection box 60 together form a semi-enclosed space—dust removal chamber 90—with the bottom and sides closed and the top open. Its main function is to prevent lighter dust from flying to the outside of the equipment during the cleaning process, causing secondary pollution.

[0031] A cleaning brush 80 is located within the waste collection box 60 and is detachably connected to the output end of the second drive assembly 40. The cleaning brush 80 refers to a cleaning tool, typically a brush, scraper, or a combination thereof. Its tip contacts the surface of the safety belt tube / micro gas generator. It is an end effector capable of performing cleaning tasks. Through physical contact and friction, it removes contaminants adhering to the surface of the component. Furthermore, its detachable design allows for easy replacement, cleaning, or switching according to different cleaning needs (such as different workpiece models).

[0032] The waste collection box 60 and the dust cover 70 together form a dust removal chamber 90. The second drive assembly 40 drives the cleaning brush 80 to clean the seat belt tube and the micro gas generator within the dust removal chamber 90, thereby automatically removing dust from the seat belt tube and the micro gas generator. This achieves a good dust removal effect, thus improving work efficiency.

[0033] Specifically, this application is used to remove iron filings or burrs from MGG and X-ray tube by means of a cleaning brush 80 and a vortex-cooled pneumatic conveyor (commonly known as a vacuum cleaner 110) to enable the normal use of MGG. When the X-ray tube reaches above this device, the moving cylinder 202 moves upward to make the X-ray tube enter the protective cover (MGG and X-ray tube head is placed downward). The servo motor starts to drive the brush to clean the X-ray tube and MGG. The cleaned waste enters the waste collection box 60. At the same time, the vortex-cooled pneumatic conveyor discharges the waste to a designated location through the pipeline. The above cleaning actions can be uploaded to the MENS system for traceability and to facilitate source tracing.

[0034] As can be seen from the above description, this application achieves the following technical effects: In this embodiment, an automatic dust removal and cleaning method is adopted. A dust removal chamber 90 is formed by the waste collection box 60 and the dust cover 70. The second drive component 40 drives the cleaning brush 80 to clean the seat belt tube and micro gas generator in the dust removal chamber 90, so that the seat belt tube and micro gas generator are automatically dusted. This achieves the purpose of cleaning iron filings or burrs on the seat belt tube and micro gas generator, thereby achieving the technical effect of good assembly and ensuring accurate triggering. This solves the technical problem that currently, the MGG and the tube are assembled together, and the two are usually fixed by a booster cylinder or servo press. During the closing process, due to the deformation of the tube, a small amount of iron filings or burrs may enter the MGG, causing the collision sensor to detect the signal and trigger ignition failure.

[0035] like Figure 2As shown, the bracket 10 also has reinforcing ribs 101 on the side away from the first drive assembly 20 to improve strength. It is understood that this improves structural strength, thereby increasing service life.

[0036] like Figure 3-4 As shown, the first drive assembly 20 includes a linear guide rail 201 connected to one side of the bracket 10, a cylinder 202 mounted on the linear guide rail 201, and a slide 203 facing the mounting plate 30 at the output end of the cylinder 202. The slide 203 is slidably connected to the linear guide rail 201. It is understood that the linear guide rail 201 has extremely high guiding accuracy and smooth movement. It overcomes the problems of swaying and radial rotation inherent in a simple cylinder 202, ensuring that the mounting plate 30 and all its components move in a strictly linear fashion without any "drift." Simultaneously, it can withstand greater lateral forces. During cleaning, the brush 80 has contact force with the workpiece, and this force reacts onto the moving parts. The linear guide rail 201 can withstand this lateral load well, while the piston rod of the individual cylinder 202 has a very weak ability to withstand lateral forces and is easily damaged.

[0037] Furthermore, a number of travel limiters 204 are provided on one side of the slide table 203. It is understood that the travel range can be precisely controlled, and the mechanical blocks can physically limit the travel, ensuring that the slide table 203 will never exceed the end of its travel, thus protecting the cylinder 202 and the guide rail.

[0038] Furthermore, the mounting plate 30 has a first through hole 301 for the output end of the second drive assembly 40 to move. It is understood that this ensures good assembly and movement, thereby avoiding motion interference. The through hole provides sufficient space for the output shaft to move, ensuring that it will not rub or collide with the mounting plate 30 during its entire movement.

[0039] Furthermore, the second drive component 40 is a servo motor. It is understood that, capable of precisely controlling speed, position, and torque, the servo motor can achieve very complex motion curves (such as initial fast-then-slow, constant speed, or a specific number of reciprocations). It can precisely control the brushing force of the cleaning brush 80 on the workpiece, avoiding excessive force that could damage the workpiece or insufficient force that would result in incomplete cleaning. Simultaneously, it offers high performance and high responsiveness; the servo system responds quickly, can start and stop rapidly, and has higher cleaning efficiency; its output force is constant, unaffected by air pressure fluctuations, resulting in more stable cleaning effects.

[0040] like Figure 5As shown, a channel 100 is provided between the inner wall of the waste collection box 60 and the outer wall of the cleaning brush 80. This channel 100 allows waste material to flow to the bottom of the waste collection box 60 after cleaning. It is understood that the inner wall of the waste collection box 60 is not tightly attached to the cleaning brush 80, but rather has a certain gap, forming a ring-shaped "channel 100". This ensures that the waste material falls smoothly to the bottom of the collection box, facilitating subsequent discharge.

[0041] like Figure 2 As shown, the dust cover 70 is detachably connected to the waste collection box 60. A second through hole 701 is also provided on the top of the dust cover 70, which allows the safety belt tube and the miniature gas generator to enter the dust removal chamber 90. It can be understood that the dust cover 70 is detachably connected to the waste collection box 60 by means of clips, screws, etc., and has a large hole on its top for allowing the workpieces (the safety belt tube and the miniature gas generator) to extend into the dust removal chamber 90.

[0042] The detachable design allows operators to easily open the dust cover 70 to inspect or replace the internal cleaning brushes 80, or to thoroughly clean the waste collection box 60.

[0043] Furthermore, it also includes: a vacuum cleaner 110, wherein the waste collection box 60 is connected to the vacuum cleaner 110 via a connector; When waste accumulates to a preset height in the waste collection box 60, the vacuum cleaner 110 discharges the waste to a designated location. It can be understood that by adding an external vacuum cleaner 110, connected to the waste collection box 60 via a hose or other connector, an active negative pressure suction system is formed. Specifically, when the waste in the collection box reaches a certain height (preset height), the vacuum cleaner 110 starts and automatically sucks the waste through the pipe to the centralized waste collection station (designated location), without any manual intervention, thus realizing an automated closed loop for waste treatment.

[0044] To enhance cleaning performance, continuous negative pressure creates a downward airflow within the dust collection chamber, which not only removes fallen waste but also instantly removes flying fine dust during the cleaning process, preventing it from adhering to the workpiece or the inner wall of the chamber. The cleaning effect far surpasses that of pure gravity collection mode.

[0045] This improves the equipment's sustainable operation capability, avoiding the need to stop and clean the equipment when the waste collection box is 60% full. The equipment can run continuously for a long time to meet the needs of high-intensity production cycles.

[0046] Furthermore, the vacuum cleaner 110 is a vortex-cooled pneumatic conveyor. It is understood that this enables it to provide a stable suction effect.

[0047] This utility model also has the following beneficial effects: 1. This application controls the brush rotation speed by using a servo motor to control the cleaning intensity. The cleaned waste can be collected and discharged through a waste collection box and a vortex-cooled pneumatic conveyor, thus achieving product cleaning, improving product yield, increasing work efficiency, increasing the automation level of the equipment, reducing manual actions, and improving production efficiency. 2. Automated, efficient and labor-saving, completely replacing traditional manual wiping or air gun blowing, realizing the automation of the cleaning process; it can be synchronized with the production line rhythm, greatly improving production efficiency and reducing labor intensity and manpower requirements.

[0048] 3. High and consistent cleaning quality: The machine-driven cleaning brushes have a constant and adjustable movement trajectory, speed, and pressure, avoiding the inconsistent cleaning results caused by variations in force, frequency, and angle during manual cleaning. This ensures that every product achieves a uniformly high standard of cleanliness.

[0049] 4. Effectively collects pollutants and prevents secondary pollution. Traditional blowing methods simply blow dust from point A to point B, polluting the environment and other components. However, the "dust removal chamber + collection box" structure of this application can actively capture and contain almost all the removed pollutants, greatly improving the working environment and meeting the cleanliness and environmental protection requirements of modern manufacturing.

[0050] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention, and all such equivalent transformations fall within the protection scope of the present invention.

Claims

1. An automatic dust removal device for a ball tube with a safety belt, characterized in that, include: A support frame; A first drive component is disposed on one side of the bracket along a preset direction; A mounting plate is connected to the output terminal of the first drive component; A second drive component is connected to the mounting plate and is arranged parallel to the first drive component; A bent component, one end of which is connected to the upper surface of the mounting plate, and the other end is located directly above the output end of the second drive assembly; A waste collection box is disposed on the bent piece located directly above the output end of the second drive component; A dust cover is installed over the waste collection box; and A cleaning brush is located inside the waste collection box and is detachably connected to the output end of the second drive component; The waste collection box and the dust cover together form a dust removal chamber. The second drive component drives the cleaning brush to clean the seat belt tube and the micro gas generator in the dust removal chamber, so that the seat belt tube and the micro gas generator are automatically dusted.

2. The automatic dust removal device for the safety belt tube according to claim 1, characterized in that, The bracket is also provided with reinforcing ribs on the side away from the first drive component to improve its strength.

3. The automatic dust removal device for the safety belt tube according to claim 1, characterized in that, The first driving component includes: a linear guide rail connected to one side of the bracket, a cylinder disposed on the linear guide rail, and a slide table disposed at the output end of the cylinder facing the mounting plate, the slide table being slidably connected to the linear guide rail.

4. The automatic dust removal device for the safety belt tube according to claim 3, characterized in that, Several travel limit components are provided on one side of the slide.

5. The automatic dust removal device for the safety belt tube according to claim 1, characterized in that, The mounting plate has a first through hole for the output end of the second drive component to move.

6. The automatic dust removal device for the safety belt tube according to claim 1, characterized in that, The second drive component is a servo motor.

7. The automatic dust removal device for the safety belt tube according to claim 1, characterized in that, The inner wall of the waste collection box and the outer wall of the cleaning component are provided with a channel for the waste to flow to the bottom of the waste collection box after cleaning.

8. The automatic dust removal device for the safety belt tube according to claim 1, characterized in that, The dust cover is detachably connected to the waste collection box. The top of the dust cover also has a second through hole for the safety belt tube and the micro gas generator to enter the dust removal chamber.

9. The automatic dust removal device for the safety belt tube according to claim 1, characterized in that, Also includes: A vacuum cleaner, wherein the waste collection box is connected to the vacuum cleaner via a connector; When waste accumulates to a preset height in the waste collection box, the vacuum cleaner discharges the waste to a designated location.

10. The automatic dust removal device for the safety belt tube according to claim 9, characterized in that, The vacuum cleaner is a vortex-cooled pneumatic conveyor.