Ribbon guide sleeve of safety belt

By designing a safety belt webbing guide sleeve including slide rods, return springs and electric push rods, the problem of the seat belt not being able to open quickly after a car collision is solved, and the fast cutting of the seat belt is achieved and personnel safety is improved.

CN222946722UActive Publication Date: 2025-06-06LANGXI FEIMA IND FABRICS
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Patent Information

Application Number
CN202422274389.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-06-06
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

After a car crash, the seat belt cannot be opened quickly, causing the trapped person to be bound by the seat belt.

Method used

A webbing guide sleeve for a seat belt is designed, including a guide sleeve body, a slide rod, a return spring, a cutting blade and an electric push rod. The reciprocating movement of the slide rod and the push of the electric push rod are achieved quickly cutting the seat belt.

Benefits of technology

The rapid cutting of the seat belt can be achieved, which can quickly remove the constraints of trapped people in an emergency and improve the safety of people.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a braid guide sleeve of a safety belt, which comprises a guide sleeve body, two sides of the guide sleeve body are provided with guide grooves, two sides of the guide sleeve body are provided with sliding rods, reset springs are arranged between the sliding rods and the guide sleeve body, two sides of the inner wall of each sliding rod are provided with sliding strips, and the sliding strips are connected with the guide grooves in a sliding mode. Cutting blades are arranged on the two sides of the sliding strip. The safety belt cutting device is reasonable in design, the sliding rod capable of sliding in a reciprocating mode is made to extrude the reset spring, then the cutting blade makes contact with the safety belt between the guide sleeve bodies, the safety belt can be rapidly cut, and the safety belt can be rapidly cut only by inwards extruding the sliding rod and loosening the reset spring of the sliding rod to push the sliding rod to reset. Therefore, reciprocating and rapid cutting of the safety belt can be achieved.
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Description

Technical Field

[0001] The utility model mainly relates to the field of webbing guide sleeves, in particular to a webbing guide sleeve of a safety belt. Background Art

[0002] When a car collides, the driver and passengers will continue to move forward due to inertia, colliding with the car body inside the car and causing injury. In order to reduce the degree of injury to people in the event of a collision, the protection of seat belts is needed. Seat belts are mainly composed of webbing, retractors, guide sleeves, etc., among which the guide sleeves can guide the webbing.

[0003] The inventor discovered the following defects during the operation of the specific embodiment:

[0004] However, after a traffic accident or other situations, the seat belt cannot be opened and the guide sleeve cannot quickly cut the seat belt, causing the seat belt to restrain the trapped person.

[0005] It should be noted that the above contents belong to the technical cognition scope of the inventor. Since the technical contents in this field are vast and too complicated, the above contents of this application do not necessarily constitute prior art. Utility Model Content

[0006] 1. Technical problems to be solved by the utility model:

[0007] The utility model provides a webbing guide sleeve of a safety belt, which is used to solve the technical problems existing in the above-mentioned background technology.

[0008] 2. Technical solution:

[0009] To achieve the above-mentioned purpose, the technical solution provided by the utility model is: a webbing guide sleeve of a safety belt, comprising a guide sleeve body, guide grooves are provided on both sides of the guide sleeve body, slide bars are arranged on both sides of the guide sleeve body, a return spring is arranged between the slide bar and the guide sleeve body, slide bars are arranged on both sides of the inner wall of the slide bar, the slide bars are slidably connected to the guide grooves, cutting blades are arranged on both sides of the slide bars, a mounting hole is provided on the top of the guide sleeve body, and a mounting groove is provided in the middle of the guide sleeve body.

[0010] Furthermore, a mounting shaft is provided at the bottom of the inner wall of the mounting groove, a positioning wheel is provided at the outer wall of the mounting shaft, and a first positioning groove is provided at the top of the positioning wheel.

[0011] Furthermore, the number of the positioning wheels is set to be multiple, and the multiple positioning wheels are distributed on the outer wall of the mounting shaft at equal intervals.

[0012] Furthermore, sliding grooves are provided on both sides of the inner wall of the installation groove, a downward pressing structure is slidably connected between the two sliding grooves, a pushing structure is provided between the downward pressing structure and the installation groove, and an electric push rod is provided between the downward pressing structure and the installation groove.

[0013] Furthermore, the downward pressing structure includes a lifting plate, a positioning shaft is provided on the top of the lifting plate, lifting shafts are provided on both sides of the lifting plate, a sliding block is provided on the outer wall of the lifting shaft, the sliding block is slidably connected to the sliding groove, an auxiliary shaft is provided directly below the lifting shaft, a positioning ring is provided on the outer wall of the auxiliary shaft, and a second positioning groove is opened on the outer wall of the positioning ring.

[0014] Furthermore, the pushing structure includes a connecting tube, which is arranged on the inner wall of the mounting groove, a pushing spring is arranged inside the connecting tube, a latch is slidably connected inside the connecting tube, the latch is connected to the pushing spring, and a downward pressure shaft is slidably connected to the inner wall of the connecting tube.

[0015] 3. Beneficial effects:

[0016] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0017] The utility model is provided with a sliding rod that can slide back and forth, so that the sliding rod squeezes the reset spring, and then the cutting blade contacts the safety belt between the guide sleeve body, and the safety belt can be cut quickly. It only needs to squeeze the sliding rod inwards, and then release the sliding rod reset spring to push the sliding rod to reset, so as to realize reciprocating and fast cutting of the safety belt.

[0018] When cutting the safety belt, the pressing structure can be pushed downward by the electric push rod and the pushing structure. The pressing structure and the positioning wheel cooperate with each other to fix the safety belt. Then the cutting blade moves back and forth and enters the first positioning groove and the second positioning groove to cut the fixed safety belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the guide sleeve body of the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the downward pressing structure of the utility model;

[0022] Figure 4 It is a schematic diagram of a three-dimensional cross-sectional structure of the propulsion structure of the utility model.

[0023] Reference numerals:

[0024] 1. Guide sleeve body; 2. Mounting hole; 3. Mounting slot; 4. Mounting shaft; 5. Positioning wheel; 6. First positioning slot; 7. Guide slot; 8. Slide bar; 9. Reset spring; 10. Slide bar; 11. Cutting blade; 12. Slide slot; 13. Pressing structure; 1301. Lifting plate; 1302. Positioning shaft; 1303. Lifting shaft; 1304. Sliding block; 1305. Auxiliary shaft; 1306. Positioning ring; 1307. Second positioning slot; 14. Pushing structure; 1401. Connecting tube; 1402. Pushing spring; 1403. Latch; 1404. Pressing shaft; 15. Electric push rod. DETAILED DESCRIPTION

[0025] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", "provided on" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0029] See attached Figure 1-4 A webbing guide sleeve of a safety belt comprises a guide sleeve body 1, guide grooves 7 are provided on both sides of the guide sleeve body 1, slide bars 8 are provided on both sides of the guide sleeve body 1, a return spring 9 is provided between the slide bar 8 and the guide sleeve body 1, slide bars 10 are provided on both sides of the inner wall of the slide bar 8, the slide bar 10 is slidably connected with the guide groove 7, cutting blades 11 are provided on both sides of the slide bar 10, a mounting hole 2 is provided on the top of the guide sleeve body 1, and a mounting groove is provided in the middle of the guide sleeve body 1 3. When it is necessary to cut the safety belt, start the electric push rod 15 or remove the latch 1403. The electric push rod 15 and the pushing structure 14 can push the pressing structure 13 to move downward. The positioning ring 1306 and the positioning wheel 5 cooperate with each other to fix the safety belt. Then, the slide bar 8 is pushed inward. The slide bar 8 drives the return spring 9 to contract, and the slide bar 10 slides on the inner wall of the guide groove 7, so that the cutting blade 11 cuts the safety belt. The slide bar 8 is pushed back and forth to quickly cut the safety belt.

[0030] Furthermore, a mounting shaft 4 is provided at the bottom of the inner wall of the mounting groove 3, a positioning wheel 5 is provided on the outer wall of the mounting shaft 4, a first positioning groove 6 is provided on the top of the positioning wheel 5, the number of the positioning wheels 5 is set to be multiple, and the multiple positioning wheels 5 are evenly spaced on the outer wall of the mounting shaft 4, the safety belt passes through the downward pressure structure 13 and the positioning wheel 5, and the positioning ring 1306 and the positioning wheel 5 are staggered to facilitate the subsequent fixation of the safety belt.

[0031] Furthermore, slide grooves 12 are opened on both sides of the inner wall of the installation groove 3, a downward pressing structure 13 is slidably connected between the two slide grooves 12, a pushing structure 14 is arranged between the downward pressing structure 13 and the installation groove 3, and an electric push rod 15 is arranged between the downward pressing structure 13 and the installation groove 3.

[0032] Furthermore, the pressing structure 13 includes a lifting plate 1301, a positioning shaft 1302 is provided on the top of the lifting plate 1301, lifting shafts 1303 are provided on both sides of the lifting plate 1301, a sliding block 1304 is provided on the outer wall of the lifting shaft 1303, and the sliding block 1304 is slidably connected with the slide groove 12, an auxiliary shaft 1305 is provided directly below the lifting shaft 1303, and a positioning ring 1306 is provided on the outer wall of the auxiliary shaft 1305, and the positioning ring 1306 The outer wall of the slide groove 12 is provided with a second positioning groove 1307. When the safety belt needs to be fixed, the output end of the electric push rod 15 is in contact with the positioning shaft 1302 and is not fixed. The electric push rod 15 is started, and the electric push rod 15 pushes the positioning shaft 1302 to move downward. The positioning shaft 1302 drives the lifting plate 1301 to move downward. The lifting plate 1301 drives the sliding block 1304 to slide on the inner wall of the slide groove 12 and pushes the positioning ring 1306 to fit the outer wall of the safety belt to fix the safety belt, so as to facilitate the subsequent cutting of the safety belt.

[0033] Furthermore, the pushing structure 14 includes a connecting tube 1401, which is arranged on the inner wall of the mounting groove 3, and a pushing spring 1402 is arranged inside the connecting tube 1401. A latch 1403 is slidably connected inside the connecting tube 1401, and the latch 1403 is connected to the pushing spring 1402. A downward pressure shaft 1404 is slidably connected to the inner wall of the connecting tube 1401. When the electric push rod 15 cannot be started normally, the latch 1403 is removed, the latch 1403 is disengaged from the pushing spring 1402, the pushing spring 1402 is reset and pushes the downward pressure shaft 1404 to move downward, and the downward pressure shaft 1404 pushes the lifting plate 1301 to move downward, and can also realize the pushing of the downward pressure structure 13 for fixing the seat belt.

[0034] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. A webbing guide sleeve for a safety belt, characterized in that: include A guide sleeve body (1), wherein guide grooves (7) are provided on both sides of the guide sleeve body (1), slide bars (8) are provided on both sides of the guide sleeve body (1), a return spring (9) is provided between the slide bar (8) and the guide sleeve body (1), slide bars (10) are provided on both sides of the inner wall of the slide bar (8), the slide bars (10) are slidably connected to the guide grooves (7), cutting blades (11) are provided on both sides of the slide bars (10), a mounting hole (2) is provided on the top of the guide sleeve body (1), and a mounting groove (3) is provided in the middle of the guide sleeve body (1).

2. A safety belt webbing guide sleeve according to claim 1, characterized in that: A mounting shaft (4) is provided at the bottom of the inner wall of the mounting groove (3), a positioning wheel (5) is provided on the outer wall of the mounting shaft (4), and a first positioning groove (6) is provided at the top of the positioning wheel (5).

3. A safety belt webbing guide sleeve according to claim 2, characterized in that: The number of the positioning wheels (5) is set to be multiple, and the multiple positioning wheels (5) are distributed on the outer wall of the installation shaft (4) at equal intervals.

4. The seat belt webbing guide sleeve according to claim 1, characterized in that: Slide grooves (12) are provided on both sides of the inner wall of the installation groove (3); a downward pressing structure (13) is slidably connected between the two slide grooves (12); a pushing structure (14) is provided between the downward pressing structure (13) and the installation groove (3); and an electric push rod (15) is provided between the downward pressing structure (13) and the installation groove (3).

5. A safety belt webbing guide sleeve according to claim 4, characterized in that: The pressing structure (13) comprises a lifting plate (1301), a positioning shaft (1302) is arranged on the top of the lifting plate (1301), lifting shafts (1303) are arranged on both sides of the lifting plate (1301), a sliding block (1304) is arranged on the outer wall of the lifting shaft (1303), the sliding block (1304) is slidably connected to the slide groove (12), an auxiliary shaft (1305) is arranged directly below the lifting shaft (1303), a positioning ring (1306) is arranged on the outer wall of the auxiliary shaft (1305), and a second positioning groove (1307) is opened on the outer wall of the positioning ring (1306).

6. A safety belt webbing guide sleeve according to claim 4, characterized in that: The pushing structure (14) comprises a connecting tube (1401), wherein the connecting tube (1401) is arranged on the inner wall of the mounting groove (3), a pushing spring (1402) is arranged inside the connecting tube (1401), a latch (1403) is slidably connected inside the connecting tube (1401), the latch (1403) is connected to the pushing spring (1402), and a pressing shaft (1404) is slidably connected to the inner wall of the connecting tube (1401).