CN115303225A - Automobile safety belt with secondary protection function - Google Patents
Automobile safety belt with secondary protection function Download PDFInfo
- Publication number
- CN115303225A CN115303225A CN202210997300.6A CN202210997300A CN115303225A CN 115303225 A CN115303225 A CN 115303225A CN 202210997300 A CN202210997300 A CN 202210997300A CN 115303225 A CN115303225 A CN 115303225A
- Authority
- CN
- China
- Prior art keywords
- safety belt
- torsion beam
- protection function
- secondary protection
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
- B60R22/4676—Reels with means to tension the belt in an emergency by forced winding up comprising energy-absorbing means operating between belt reel and retractor frame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides an automobile safety belt with a secondary protection function, which comprises a safety belt, wherein a winding rod is wound at one end of the safety belt, a fixing sleeve is sleeved at the front end of the winding rod, a torsion beam is fixedly connected to the inner side of the fixing sleeve, a positioning ring is fixedly connected to one end of the torsion beam, the rear part of the positioning ring is fixedly connected with the winding rod, a stacking mechanism which is sewn by single lines on the safety belt is broken under the inertia impact of a passenger, the winding rod and the positioning ring rotate at the moment, the torsion beam starts to twist, the safety belt is stretched and unfolded, the traction effect on the winding rod in the process of stretching the safety belt is reduced, the flexible deformation of the torsion beam starts to recover, the tightening treatment of the safety belt is completed, the safety belt is prevented from being suddenly tightened, greater pressure is caused on the abdomen and the chest of the passenger in an accident vehicle, the secondary protection of the safety belt on the passenger is completed, and the problem of insufficient protection of the existing equipment is solved.
Description
Technical Field
The invention mainly relates to the field of automobile safety belts, in particular to an automobile safety belt with a secondary protection function.
Background
The automobile safety belt is used as a passive safety measure of an automobile, is a forced device of the automobile, prevents passengers in the automobile from being bound on automobile seats when the automobile collides, reduces additional damage caused by automobile accidents, acts on the chest and the belly of the passengers due to the influence of the inertia of the passengers and the driving speed before the automobile accidents after the automobile safety belt is triggered, and has higher pressure on the chest and the belly of the passengers.
The prior patent (publication number: CN 106364449B) discloses a vehicle safety belt retractor, which comprises a belt winding drum, an eccentric wheel, a swing arm, a mechanical side cover, a sensitive claw, a sensitive ball and a sensitive seat, wherein the belt winding drum is connected with the eccentric wheel, the inner ring of the swing arm is coated on the eccentric wheel, the mechanical side cover is provided with a limit structure, the swing arm penetrates through the limit structure, a swing arm mechanism is designed, when a passenger wears a safety belt, the vehicle feel is inhibited due to natural rewinding of the retractor after wearing, and when the vehicle runs to generate vibration, the noise generated by the vehicle feel mechanism is inhibited, so that the comfort level of the passenger is improved. When emergency locking occurs, due to the fact that the safety belt is pulled out, the vehicle feeling restraining state is cancelled, the safety belt achieves emergency locking, safety of passengers is guaranteed, and requirements of laws and regulations and performance of a whole vehicle factory are met. In addition, the number of additional elastic tensioning parts and molds is reduced, so that the number of parts is minimized, and the production management cost is reduced.
The inventor is at the in-process of realizing this scheme, and the safety belt can be blocked immediately by car safety belt coiler in the vehicle accident process, can't extend, fixes passenger in car seat, and passenger still moves to the car seat outside under inertial impact, and car safety belt coiler causes great extrusion force to passenger's chest and belly to the dead action of card of safety belt, leads to the safety belt to cause the injury of different degrees to passenger.
Disclosure of Invention
Problems to be solved by the invention
The invention provides a car safety belt with a secondary protection function, which is used for solving the technical problem of insufficient protection of the existing equipment in the background technology.
Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows: the utility model provides a car blet that possesses secondary protect function, includes the safety belt, the one end winding of safety belt has the winding pole, the front end cover of winding pole has connect fixed cover, the inboard fixedly connected with torsion beam of fixed cover, the one end fixedly connected with holding ring of this torsion beam, the rear portion and the winding pole fixed connection of holding ring, locating pin and gim peg have been cup jointed respectively at the middle part of holding ring, and this gim peg runs through front end middle part to rear end middle part at the winding pole.
Furthermore, the rear end of the winding rod is fixedly connected with a baffle, and the diameter of the outer ring of the baffle is the same as that of the outer ring of the fixing sleeve.
The two ends of the winding rod are respectively provided with the baffle and the fixing sleeve, the safety belt wound outside the winding rod is limited, and the structure of the safety belt winding device is designed conventionally, so that the manufacturing cost is reduced.
Furthermore, the outer side of the fixed sleeve is fixedly connected with a ratchet wheel, and the inner side of the fixed sleeve is filled with polystyrene particles.
Polystyrene granule is filled to fixed cover inboard, with the cooperation of torsion beam, is formed with flexible connection between fixed cover and holding ring for this structure possesses good shock resistance.
Furthermore, the top joint of fixed cover has sealed lid, sealed lid is transparent PVC injection structure.
The sealing cover and the fixing sleeve provide an oxygen-insulated environment installation environment for the polystyrene particles and the torsion beam, and the working stability of the polystyrene particles and the torsion beam under severe working conditions of a vehicle is guaranteed.
Furthermore, the inner side and the outer side of the torsion beam are respectively composed of a leaf spring and modified rubber, the torsion beam is arranged in pairs relative to the middle of the positioning pipe, and the outer side of the torsion beam is fixedly provided with a sector deflection beam.
The design of the torsion beam and the fan-shaped deflection beam plays a role in transmitting torque and flexible deformation between the fixed sleeve and the positioning ring, and the rigidity and deformation response change characteristics of the flexible structure can be changed by adjusting the thickness and the width of the torsion beam and the fan-shaped deflection beam.
Furthermore, the joint of the positioning ring and the inner wall of the fixed sleeve is fixedly provided with a sealing ring, and the rear side of the sealing ring is abutted against the outer side of the winding rod.
The connection mode of the winding rod and the fixed sleeve is cup joint, and the gap at the joint of the fixed sleeve, the positioning ring and the winding rod is sealed and treated through the matching of the positioning ring and the sealing ring.
Furthermore, the circle center of the positioning ring, the circle center of the winding rod and the circle center of the ratchet wheel are all kept on the same axis, and the positioning groove is fixedly arranged in the middle of the positioning ring.
The circle centers of the positioning ring, the winding rod and the ratchet wheel are kept on the same axis, the winding stability of the safety belt outside the winding rod is guaranteed, the stable rotation of the winding rod is guaranteed, and the positioning groove in the positioning ring is matched with the positioning pin to complete the fixing treatment of the positioning ring and the fixing bolt.
Furthermore, four to six stacked structures with intervals of 4cm-6cm are arranged outside the safety belt, and the stacked structures are processed by single-thread sewing.
The safety belt is provided with a stacking mechanism, wherein the stacking mechanism is sewn by single threads, the single threads are broken under the inertial impact of a passenger, the safety belt is stretched and unfolded in a small range, and the twisting beam is matched to drive the winding rod to twist, so that the inertial impact capacity of the passenger is absorbed.
Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the invention provides an automobile safety belt with a secondary protection function, which is realized by the device,
the stacking mechanism made of single-thread sewing on the safety belt is broken under the inertia impact of a passenger, at the moment, the winding rod and the positioning ring rotate, the torsion beam starts to twist, the safety belt is stretched and unfolded, the traction effect on the winding rod in the stretching process of the safety belt is reduced, the flexible deformation of the torsion beam starts to recover, the tightening treatment of the safety belt is completed, the safety belt is prevented from being suddenly tightened, the large pressure is caused on the belly and the chest of the passenger in an accident vehicle, and the secondary protection of the safety belt on the passenger is completed.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a perspective view of the novel structure of the present invention;
FIG. 2 is a perspective view of the novel winding rod configuration of the present invention;
FIG. 3 is a front view of the novel retaining sleeve structure of the present invention;
FIG. 4 is a perspective view of the novel seal cap construction of the present invention;
FIG. 5 is a perspective view of the novel twist beam construction of the present invention;
fig. 6 is a perspective view of the novel seat belt structure of the present invention.
Reference numerals
1-a safety belt;
2-a winding rod; 21-a baffle plate;
3, fixing a sleeve; 31-a ratchet wheel; 32-polystyrene particles;
4-torsion beam;
5-a positioning ring; 51-a sealing ring;
6-positioning pins;
7-fixing bolts;
8-sealing cover.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Examples
Referring to fig. 1-6, an automobile safety belt with a secondary protection function comprises a safety belt 1, a winding rod 2 is wound on one end of the safety belt 1, a fixing sleeve 3 is sleeved on the front end of the winding rod 2, a torsion beam 4 is fixedly connected to the inner side of the fixing sleeve 3, a positioning ring 5 is fixedly connected to one end of the torsion beam 4, the rear portion of the positioning ring 5 is fixedly connected with the winding rod 2, a positioning pin 6 and a fixing bolt 7 are respectively sleeved on the middle portion of the positioning ring 5, and the fixing bolt 7 penetrates through the middle portion of the front end to the middle portion of the rear end of the winding rod 2.
In this embodiment, as shown in fig. 1 and 2, a baffle plate 21 is fixedly connected to the rear end of the winding rod 2, and the outer ring diameter of the baffle plate 21 is the same as that of the fixing sleeve 3.
The winding rod 2, the baffle plate 21 and the fixed sleeve 3 are matched, a simple structure is formed for winding the safety belt 1, the structure can be assembled in the existing product automobile safety belt retractor through the fixed bolt 7, the ratchet wheel 31 outside the fixed sleeve 3 is matched with the pawl in the automobile safety belt retractor, the whole structure is reasonable in design, and the winding rod can be combined with the existing product to reduce the use and manufacturing and use cost.
In this embodiment, as shown in fig. 1 and 3, a ratchet 31 is fixedly connected to the outer side of the fixing sleeve 3, and the inner side of the fixing sleeve 3 is filled with polystyrene particles 32.
In the process that the torsion beam 4 is twisted in the fixed sleeve 3 and the positioning ring 5 to generate flexible deformation, the polystyrene particles 32 are deformed under the extrusion of the torsion beam 4, and the torsion beam 4 is elastically supported and protected.
In this embodiment, as shown in fig. 1, 3 and 4, a sealing cover 8 is fastened to the top end of the fixing sleeve 3, and the sealing cover 8 is a transparent PVC injection molding structure.
In this embodiment, as shown in fig. 1, 3 and 5, the inner side and the outer side of the torsion beam 4 are respectively composed of a leaf spring and modified rubber, the torsion beam 4 is arranged in pairs with respect to the middle of the positioning tube, and a sector-shaped deflection beam is fixedly arranged on the outer side of the torsion beam 4.
The torsion beam 4 is matched with the sector deflection beam, a torsion angle of +/-15 degrees is formed in the fixing sleeve 3 and the positioning ring 5, and meanwhile the flexible structure of the torsion beam 4 completes torque transmission between the fixing sleeve 3 and the positioning ring 5.
In this embodiment, as shown in fig. 1, 3 and 5, a sealing ring 51 is fixedly disposed at the connection position of the positioning ring 5 and the inner wall of the fixing sleeve 3, and the rear side of the sealing ring 51 abuts against the outer side of the winding rod 2.
Winding pole 2 is connected with fixed cover 3 through the flexible connection structure that holding ring 5 and torsion beam 4 constitute, ensures that torsion beam 4 is total at the process of deflecting, and the centre of a circle of holding ring 5, winding pole 2 and fixed cover 3 is on same axis, and the use of sealing ring 51 avoids polystyrene granule 32 to reveal from the fit-up gap of fixed cover 3 and winding pole 2.
In this embodiment, as shown in fig. 1, 3 and 5, the center of the positioning ring 5, the center of the winding rod 2 and the center of the ratchet wheel 31 are all maintained on the same axis, and a positioning groove is fixedly disposed in the middle of the positioning ring 5.
In this embodiment, as shown in fig. 2 and 6, the exterior of the seat belt 1 is provided with four to six stacked structures spaced 4cm to 6cm apart, which are processed by single-thread sewing.
The stacking mechanism who makes is sewed up to single line on safety belt 1, the fracture under passenger's inertial impact, winding pole 2 rotates with holding ring 5 this moment, torsion beam 4 begins to twist reverse, safety belt 1 takes place tensile the expansion, the passenger continues to dash out to the car seat outside under the inertia effect, the tensile in-process of safety belt 1 reduces winding pole 2's tractive effect, the flexible deformation of torsion beam 4 begins to resume, drive winding pole 2 through holding ring 5 and rotate, accomplish the processing of tightening up of safety belt 1, avoid the vehicle when taking place accidents such as striking, the sudden tightening up of safety belt 1, cause great pressure to passenger's belly and chest.
In the present embodiment of the present invention,
this device passes through the gim peg 7 assembly in the car blet coiler, and wherein ratchet 31 cooperates the work with the pawl in the car blet coiler, and safety belt 1 twines in the outside of winding pole 2, and baffle 21 cooperates with fixed cover 3, carries out spacing winding processing to winding pole 2 outside winding safety belt 1.
Winding rod 2 is connected with fixed cover 3 through the flexible construction that holding ring 5 and torsion beam 4 are constituteed, and holding ring 5 passes through locating pin 6 and fixing bolt 7 fixed connection, and winding rod 2 drives fixing bolt 7 at the car blet coiler internal rotation through holding ring 5.
When passenger tractive safety belt 1 uses, winding rod 2 drives fixed cover 3 and ratchet 31 at the rotation of car blet coiler through holding ring 5 and twist beam 4, and twist beam 4 takes place to twist reverse this moment, and its torsion angle is directly proportional to the pulling speed of user to safety belt 1, and when the user accomplished the fixed use of safety belt 1 in the car, the flexible deformation of twist beam 4 resumes, accomplishes the processing of tightening up of safety belt 1, ensures that safety belt 1 laminates at user's belly and chest.
The above embodiments only express a certain implementation manner of the present invention, and the description is specific and detailed, but not to be understood as limiting the scope of the present invention; it should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which shall fall within the protective scope of the invention; therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a car blet that possesses secondary protect function which characterized in that: including safety belt (1), the one end winding of safety belt (1) has winding pole (2), the front end cover of winding pole (2) has connect fixed cover (3), inboard fixedly connected with torsion beam (4) of fixed cover (3), one end fixedly connected with holding ring (5) of this torsion beam (4), the rear portion and the winding pole (2) fixed connection of holding ring (5), locating pin (6) and gim peg (7) have been cup jointed respectively at the middle part of holding ring (5), and this gim peg (7) run through in the front end middle part to the rear end middle part of winding pole (2).
2. The automobile safety belt with the secondary protection function as claimed in claim 1, wherein: the rear end of the winding rod (2) is fixedly connected with a baffle (21), and the diameter of the outer ring of the baffle (21) is the same as that of the outer ring of the fixing sleeve (3).
3. The automobile safety belt with the secondary protection function as claimed in claim 1, wherein: the outer side of the fixed sleeve (3) is fixedly connected with a ratchet wheel (31), and the inner side of the fixed sleeve (3) is filled with polystyrene particles (32).
4. The automobile safety belt with the secondary protection function as claimed in claim 1, wherein: the top joint of fixed cover (3) has sealed lid (8), sealed lid (8) are transparent PVC injection structure.
5. The automobile safety belt with the secondary protection function as claimed in claim 1, wherein: the torsion beam is characterized in that the inner side and the outer side of the torsion beam (4) are respectively composed of a leaf spring and modified rubber, the torsion beam (4) is arranged in pairs relative to the middle of the positioning tube, and the outer side of the torsion beam (4) is fixedly provided with a fan-shaped deflection beam.
6. The automobile safety belt with the secondary protection function as claimed in claim 1, wherein: the inner wall junction of holding ring (5) and fixed cover (3) sets firmly sealing ring (51), and the rear side of this sealing ring (51) is contradicted in the outside of winding pole (2).
7. The automobile safety belt with the secondary protection function as claimed in claim 1, wherein: the circle center of the positioning ring (5), the circle center of the winding rod (2) and the circle center of the ratchet wheel (31) are all kept on the same axis, and a positioning groove is fixedly arranged in the middle of the positioning ring (5).
8. The automobile safety belt with the secondary protection function according to claim 1, characterized in that: the outside of the safety belt (1) is provided with four to six stacked structures with intervals of 4cm-6cm, and the stacked structures are processed by single thread sewing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210997300.6A CN115303225B (en) | 2022-08-19 | 2022-08-19 | Automobile safety belt with secondary protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210997300.6A CN115303225B (en) | 2022-08-19 | 2022-08-19 | Automobile safety belt with secondary protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115303225A true CN115303225A (en) | 2022-11-08 |
| CN115303225B CN115303225B (en) | 2023-07-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210997300.6A Active CN115303225B (en) | 2022-08-19 | 2022-08-19 | Automobile safety belt with secondary protection function |
Country Status (1)
| Country | Link |
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| CN (1) | CN115303225B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1927628A (en) * | 2005-09-06 | 2007-03-14 | 高田株式会社 | Seatbelt retractor and seatbelt apparatus |
| CN101108608A (en) * | 2006-07-19 | 2008-01-23 | 高田株式会社 | Seat belt retractor and seat belt apparatus |
| US20080237384A1 (en) * | 2007-03-29 | 2008-10-02 | Autoliv Asp, Inc. | Occupant size variable adaptive and progressive load limiting seat belt retractor |
| CN101980896A (en) * | 2008-03-31 | 2011-02-23 | 芦森工业株式会社 | Seatbelt retractor |
| CN202098374U (en) * | 2011-06-10 | 2012-01-04 | 广东大豪汽车零部件实业有限公司 | Vehicle safety belt retractor with emergency system |
| CN108608987A (en) * | 2016-12-13 | 2018-10-02 | 现代自动车株式会社 | Preloader and safety belt assembly with the preloader |
| CN110712616A (en) * | 2019-11-01 | 2020-01-21 | 河北鸟巢科技有限公司 | Safety belt structure and vehicle |
| CN110843723A (en) * | 2018-08-20 | 2020-02-28 | 福特全球技术公司 | Vehicle seat belt retractor |
| CN111231886A (en) * | 2018-11-28 | 2020-06-05 | 株式会社东海理化电机制作所 | Webbing retractor |
| CN212766106U (en) * | 2020-06-04 | 2021-03-23 | 北京汽车股份有限公司 | Buckle assembly of safety belt and vehicle |
-
2022
- 2022-08-19 CN CN202210997300.6A patent/CN115303225B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1927628A (en) * | 2005-09-06 | 2007-03-14 | 高田株式会社 | Seatbelt retractor and seatbelt apparatus |
| CN101108608A (en) * | 2006-07-19 | 2008-01-23 | 高田株式会社 | Seat belt retractor and seat belt apparatus |
| US20080237384A1 (en) * | 2007-03-29 | 2008-10-02 | Autoliv Asp, Inc. | Occupant size variable adaptive and progressive load limiting seat belt retractor |
| CN101980896A (en) * | 2008-03-31 | 2011-02-23 | 芦森工业株式会社 | Seatbelt retractor |
| CN202098374U (en) * | 2011-06-10 | 2012-01-04 | 广东大豪汽车零部件实业有限公司 | Vehicle safety belt retractor with emergency system |
| CN108608987A (en) * | 2016-12-13 | 2018-10-02 | 现代自动车株式会社 | Preloader and safety belt assembly with the preloader |
| CN110843723A (en) * | 2018-08-20 | 2020-02-28 | 福特全球技术公司 | Vehicle seat belt retractor |
| CN111231886A (en) * | 2018-11-28 | 2020-06-05 | 株式会社东海理化电机制作所 | Webbing retractor |
| CN110712616A (en) * | 2019-11-01 | 2020-01-21 | 河北鸟巢科技有限公司 | Safety belt structure and vehicle |
| CN212766106U (en) * | 2020-06-04 | 2021-03-23 | 北京汽车股份有限公司 | Buckle assembly of safety belt and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115303225B (en) | 2023-07-21 |
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Denomination of invention: A car safety belt with secondary protection function Effective date of registration: 20230906 Granted publication date: 20230721 Pledgee: Langxi SME Financing Guarantee Co.,Ltd. Pledgor: LANGXI FEIMA INDUSTRIAL FABRICS Co.,Ltd. Registration number: Y2023980055576 |
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