Novel B-pillar plaque guide rail integrated with long-strip metal insert

Abstract

The invention discloses a novel B-pillar plaque guide rail integrated with a long-strip metal insert, and relates to the field of B-pillar plaque guide rails, the novel B-pillar plaque guide rail comprises a B-pillar plaque body, a guide rail plate body is fixedly connected to the bottom of the B-pillar plaque body, and a partition plate is fixedly mounted at the joint of the B-pillar plaque body and the guide rail plate body; a metal long-strip insert is fixedly installed in the guide rail plate body, and one side of the metal long-strip insert is fixedly connected with a bent plate. According to the guide rail, the metal strip insert is additionally arranged in the guide rail plate body, the whole guide rail adopts a plastic and strip metal combined structure, the structural strength and rigidity of the guide rail plate body can be effectively improved by additionally arranging the metal strip insert in the guide rail plate body, and the problem that the strength and torsional rigidity of a plastic structure are poor is solved; the adaptation degree of the glass guide groove after being assembled to the guide rail is improved, so that the problems that the glass is easy to fall out of the glass guide groove, the glass is stuck in lifting and the glass is abnormal in lifting are synchronously solved.

Description

Technical Field

[0001] The invention relates to the technical field of B-pillar trim guide rails, and in particular to a novel B-pillar trim guide rail with integrated long metal inserts. Background Art

[0002] The B-pillar trim rail is part of the internal structure of the car, usually located in the B-pillar area between the door and the body. Its main function is to support and fix the B-pillar trim to ensure the stability and aesthetics of the trim in the vehicle interior. The B-pillar trim rail is usually made of plastic or metal.

[0003] As disclosed in “A B-pillar trim structure and device” with publication number CN114043944A, at least one limiter is provided at one end of the trim body in the B-pillar trim structure, and at least partially extends out of the trim body, and the connecting assembly includes a first connecting member and at least one second connecting member, the first connecting member is provided at one end of the trim body close to the limiter, and the second connecting member is provided at the other end of the trim body, the first connecting member is used to separate from the body sheet metal when the side air curtain needs to be unfolded for inflation, the second connecting member is used to allow the trim body to rotate along the first connecting member when the side air curtain is separated from the body sheet metal, and the limiter is used to cooperate with the side air curtain guide bracket after the first connecting member is separated from the body sheet metal to limit the rotation angle of the trim body.

[0004] However, in the prior art, traditional decorative panels are generally pure plastic parts. Since the handle area at the lower end is long and narrow, this area will experience large deformation after injection molding. In addition, because the handle area is a plastic part, the strength and torsional rigidity of the structure itself are poor, which will lead to certain risks in matching the glass groove. There will be problems such as the glass easily falling out of the groove, the glass being stuck when lifting, and the glass making abnormal noises when lifting. In addition, the existing B-pillar exterior decorative panels are mostly high-gloss spray paint or high-gloss injection molding. The painted surface is prone to orange peel texture, has a poor appearance, and has poor wear resistance. The paint surface is easily damaged by wind and rain outdoors or when washing the car, resulting in scratches. Summary of the invention

[0005] The object of the present invention is to provide a novel B-pillar trim guide rail with an integrated long metal insert, so as to solve the problems raised in the above-mentioned background technology that because the handle area is a plastic part, the strength and torsional rigidity of the structure itself are poor, which may lead to certain risks in matching the glass groove, and the glass may easily fall out of the groove, the glass may get stuck when being raised or lowered, and the glass may make abnormal noises when being raised or lowered.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a new B-pillar trim guide rail with integrated long metal inserts, comprising a B-pillar trim panel body, the bottom of the B-pillar trim panel body is fixedly connected to the guide rail body, a partition plate is fixedly installed at the junction of the B-pillar trim panel body and the guide rail body, a metal long strip insert is fixedly installed inside the guide rail body, one side of the metal long strip insert is fixedly connected to a bent plate, the bent plate is fixedly installed inside the partition plate, positioning holes are provided inside the metal long strip insert and inside the guide rail body, one end of the metal long strip insert is fixedly connected to an arc plate, the other end of the arc plate is fixedly connected to an extension plate, and the extension plate is fixedly connected to the inside of the guide rail body.

[0007] Preferably, a connecting block is fixedly installed on one end of the B-pillar trim panel body, and the connecting block is used to connect the B-pillar trim panel body with the B-pillar, and a clamping block is fixedly connected to one end of the partition plate.

[0008] Preferably, two receiving grooves are provided at the junction of the guide rail plate body and the metal long strip insert, the receiving grooves are located above the metal long strip insert, and the axis of the receiving groove coincides with the axis of the positioning hole.

[0009] Preferably, the surface of the B-pillar trim panel is coated with a PHC587C2 coating, which includes 7 to 9 parts by weight of epoxy resin, 1 to 2 parts by weight of amine curing agent, 1 to 3 parts by weight of silicate filler, 0.2 to 0.4 parts by weight of acetone and 4 to 6 parts by weight of leveling agent.

[0010] Preferably, the metal strip insert is made of cold-rolled steel, the surface of the cold-rolled steel is electroplated with a coating, and the coating includes 40 to 60 parts by weight of zinc powder, 4 to 6 parts by weight of solvent, 1 to 3 parts by weight of stabilizer and 0.21 to 0.25 parts by weight of pH adjuster.

[0011] Preferably, a reinforcement plate is fixedly installed at the junction of the B-pillar trim plate body and the guide rail plate body, an installation connection hole is opened inside the reinforcement plate, a convex plate is fixedly installed at the edge of the reinforcement plate, a through hole is opened inside the convex plate, the extension plate is located inside the convex plate, and the arc plate is located at the junction of the reinforcement plate and the convex plate.

[0012] Preferably, a positioning block is movably connected to the bottom of the guide rail plate body, a limiting protrusion is fixedly installed on the top of the positioning block, the shape of the limiting protrusion is adapted to the shape of the positioning hole, and the limiting protrusion is located inside the positioning hole.

[0013] Preferably, a positioning ring is fixedly installed on one side of the guide rail plate body, the positioning ring is located at the edge of the positioning hole, the positioning block is located at the intersection of the positioning hole and the positioning ring, and the top of the limiting protrusion passes through the positioning hole and is inserted into the inside of the accommodating groove.

[0014] Preferably, a reinforcement strip is fixedly installed at the junction of the partition plate and the B-pillar trim plate body, one end of the reinforcement strip is fixedly connected to the B-pillar trim plate body, and a boss is fixedly installed on one side of the B-pillar trim plate body, and the boss is located on one side of the partition plate.

[0015] Preferably, a notch is provided at the junction of the reinforcement plate and the partition plate, an anti-slip sheet is fixedly installed at the edge of the notch, a positioning frame is fixedly installed on one side of the B-pillar trim panel, and the positioning frame is located on the other side of the partition plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the device adopts a structure combining plastic and long metal strips by adding a metal long strip insert inside the guide rail plate body. The plastic layer is PC, and the metal long strip insert material is cold-rolled steel. During installation, the metal long strip insert is pre-buried in the guide rail plate body in advance, and then injection molding is performed. By adding a metal long strip insert inside the guide rail plate body, the structural strength and rigidity of the guide rail plate body can be effectively improved, the problem of poor strength and torsional rigidity of the plastic structure itself can be solved, and the adaptability of the glass guide groove after being assembled to the guide rail can be improved, thereby simultaneously solving the problems of glass easily falling out of the groove, glass lifting jamming, and abnormal noise when the glass is lifted.

[0017] 2. In the present invention, a PHC587C2 coating is coated on the surface of the B-pillar trim panel. The PHC587C2 coating contains a curing agent, a silicate filler, acetone and a leveling agent. The production cost is comparable to that of a conventional PMMA outer panel, but the wear resistance and material strength are much higher than those of PMMA, and the coating has the advantage of being more cost-effective. In addition, a new water curtain coating process is used during the coating process to improve the gloss and high-gloss black effect, and to completely avoid the orange peel problem of conventional spray painting, and the appearance is better than that of spray painting. The 4700F coating is spray-coated by a robot, and requires two coats and two bakes. The PHC587C2 coating only requires one coat and one bake, and has fewer process flows, better appearance quality, and fewer defects.

[0018] 3. In the present invention, after the surface of the metal strip insert is galvanized, it can effectively prevent the metal strip insert from being corroded by the atmosphere, water and other chemicals, thereby extending the service life. After the surface of the cold-rolled steel is galvanized, the entire steel material will be easier to cut, weld, bend and form, and it is convenient to process. After galvanizing, the entire metal strip insert has high durability and corrosion resistance, which can further reduce maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of one side of a new type of B-pillar trim rail with integrated long metal inserts of the present invention; Figure 2 It is a schematic structural diagram of the other side of a novel B-pillar trim rail with integrated long metal inserts according to the present invention; Figure 3 It is a schematic diagram of the disassembly of the B-pillar trim panel body and the metal long strip insert structure of a novel B-pillar trim panel guide rail with integrated long strip metal insert of the present invention; Figure 4 It is a schematic diagram of a three-dimensional structure of a metal strip insert of a novel B-pillar trim guide rail with an integrated metal strip insert according to the present invention; Figure 5 It is a schematic plan view of the internal structure of a guide rail body of a novel B-pillar trim guide rail with integrated long metal inserts according to the present invention; Figure 6 It is a schematic diagram of the structure of a B-pillar trim panel body and a reinforcement panel of a novel B-pillar trim panel guide rail with integrated long metal inserts according to the present invention; Figure 7 The present invention is a schematic structural diagram of the junction between a B-pillar trim panel body and a partition panel of a novel B-pillar trim panel guide rail with integrated long metal inserts.

[0020] In the figure: 1. B-pillar trim panel; 2. reinforcement plate; 3. guide rail panel; 4. convex plate; 5. through hole; 6. mounting connection hole; 7. metal strip insert; 8. positioning ring; 9. receiving groove; 10. positioning hole; 11. bending plate; 12. arc plate; 13. extension plate; 14. partition plate; 15. positioning block; 16. limiting convex block; 17. PHC587C2 coating; 18. boss; 19. reinforcement strip; 20. connecting block; 21. notch; 22. anti-slip sheet; 23. positioning frame; 24. clamping block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example 1: Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown: a new B-pillar trim rail with integrated long metal inserts, including a B-pillar trim panel body 1, a guide rail body 3 is fixedly connected to the bottom of the B-pillar trim panel body 1, a partition plate 14 is fixedly installed at the intersection of the B-pillar trim panel body 1 and the guide rail body 3, a metal long strip insert 7 is fixedly installed inside the guide rail body 3, a bent plate 11 is fixedly connected to one side of the metal long strip insert 7, the bent plate 11 is fixedly installed inside the partition plate 14, and positioning holes 10 are opened inside the metal long strip insert 7 and inside the guide rail body 3. One end of the component 7 is fixedly connected to an arc plate 12, the other end of the arc plate 12 is fixedly connected to an extension plate 13, the extension plate 13 is fixedly connected to the inside of the guide rail plate body 3, one end of the B-pillar trim plate body 1 is fixedly installed with a connecting block 20, the connecting block 20 is used to connect the B-pillar trim plate body 1 with the B-pillar, one end of the partition plate 14 is fixedly connected with a clamping block 24, a convex plate 4 is fixedly installed at the edge of the reinforcement plate 2, a through hole 5 is opened inside the convex plate 4, the extension plate 13 is located inside the convex plate 4, and the arc plate 12 is located at the intersection of the reinforcement plate 2 and the convex plate 4.

[0023] In this embodiment, the B-pillar trim plate body 1 is connected to the guide rail plate body 3 through a partition plate 14, and the partition plate 14 is used to separate a sufficient space to accommodate the glass, and a metal strip insert 7 is arranged in the guide rail plate body 3. During installation, the metal strip insert 7 is pre-embedded in the guide rail plate body 3 in advance, and then injection molding is performed. By adding the metal strip insert 7 inside the guide rail plate body 3, the structural strength and rigidity of the guide rail plate body 3 can be effectively improved, and the problem of poor strength and torsional rigidity of the plastic structure itself can be solved; The metal strip insert 7 is connected to an extension plate 13 through an arc plate 12. The extension plate 13 is located inside the convex plate 4. The arc plate 12 is located at the intersection of the reinforcement plate 2 and the convex plate 4. Through holes 5 are provided inside the extension plate 13 and the convex plate 4, which can facilitate the installation of the reinforcement plate 2, improve the structural strength of the reinforcement plate 2 itself, and also improve the stability of the metal strip insert 7; The bent plate 11 at the edge of the metal strip insert 7 is fixedly installed inside the partition plate 14, which can further improve the stability of the metal strip insert 7 in the guide rail plate body 3, and the bent plate 11 can simultaneously improve the structural strength of the partition plate 14.

[0024] Embodiment 2: According to Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, two receiving grooves 9 are provided at the intersection of the guide plate body 3 and the metal long strip insert 7, and the receiving grooves 9 are located above the metal long strip insert 7. The axis of the receiving groove 9 coincides with the axis of the positioning hole 10. A reinforcing plate 2 is fixedly installed at the intersection of the B-pillar trim plate body 1 and the guide plate body 3, and an installation connection hole 6 is provided inside the reinforcing plate 2. A positioning block 15 is movably connected to the bottom of the guide plate body 3, and a limiting protrusion 16 is fixedly installed on the top of the positioning block 15. The shape of the limiting protrusion 16 is adapted to the shape of the positioning hole 10, and the limiting protrusion 16 is located inside the positioning hole 10. A positioning ring 8 is fixedly installed on one side of the guide plate body 3, and the positioning ring 8 is located at the edge of the positioning hole 10. The positioning block 15 is located at the intersection of the positioning hole 10 and the positioning ring 8, and the top of the limiting protrusion 16 passes through the positioning hole 10 and is inserted into the inside of the receiving groove 9.

[0025] In this embodiment, an installation connection hole 6 is provided inside the reinforcement plate 2 for installing a screw to connect the reinforcement plate 2 to the B-pillar. When installing the metal strip insert 7, the positioning block 15 is inserted into the positioning hole 10, and the limiting protrusion 16 on the top of the positioning block 15 is inserted into the positioning hole 10 of the metal strip insert 7. The top of the limiting protrusion 16 will enter the accommodating groove 9, thereby completing the positioning and limiting of the metal strip insert 7.

[0026] Embodiment 3: According to Figure 2 , Figure 3 , Figure 6 and Figure 7 As shown, a reinforcement strip 19 is fixedly installed at the junction of the partition plate 14 and the B-pillar trim plate body 1, one end of the reinforcement strip 19 is fixedly connected to the B-pillar trim plate body 1, a boss 18 is fixedly installed on one side of the B-pillar trim plate body 1, the boss 18 is located on one side of the partition plate 14, a notch 21 is opened at the junction of the reinforcement plate 2 and the partition plate 14, an anti-slip sheet 22 is fixedly installed at the edge of the notch 21, a positioning frame 23 is fixedly installed on one side of the B-pillar trim plate body 1, and the positioning frame 23 is located on the other side of the partition plate 14.

[0027] In this embodiment, the reinforcement strip 19 can enhance the structural strength between the partition plate 14 and the B-pillar trim panel body 1 to prevent deformation of the partition plate 14 and the B-pillar trim panel body 1, and the presence of the boss 18 and the positioning frame 23 can limit the B-pillar trim panel body 1 to prevent misalignment of the B-pillar trim panel body 1. At the same time, a notch 21 is provided at the junction of the reinforcement plate 2 and the partition plate 14, and an anti-slip sheet 22 is fixedly installed at the edge of the notch 21. During installation, the reinforcement plate 2 and the partition plate 14 can be fixed by the notch 21.

[0028] Embodiment 4:

[0029] The PHC587C2 coating 17 includes 7 parts by weight of epoxy resin, 1 part by weight of amine curing agent, 1 part by weight of silicate filler, 0.2 parts by weight of acetone and 4 parts by weight of leveling agent.

[0030] Embodiment five:

[0031] The PHC587C2 coating 17 provided in this embodiment is substantially the same as that in the fourth embodiment, the main difference being that it comprises 8 parts by weight of epoxy resin, 1.5 parts by weight of amine curing agent, 2 parts by weight of silicate filler, 0.3 parts by weight of acetone and 5 parts by weight of leveling agent.

[0032] Embodiment six:

[0033] The PHC587C2 coating 17 provided in this embodiment is substantially the same as that in the fourth embodiment, the main difference being that it comprises 9 parts by weight of epoxy resin, 2 parts by weight of amine curing agent, 3 parts by weight of silicate filler, 0.4 parts by weight of acetone and 6 parts by weight of leveling agent.

[0034] Comparative Example 1 The PHC587C2 coating 17 provided in this embodiment is substantially the same as that in the fourth embodiment, with the main difference being that no amine curing agent is added.

[0035] Comparative Example 2 The PHC587C2 coating 17 provided in this embodiment is substantially the same as that in the fourth embodiment, with the main difference being that no silicate filler is added.

[0036] Comparative Example 3 The PHC587C2 coating 17 provided in this embodiment is substantially the same as that in the fourth embodiment, with the main difference being that no acetone is added.

[0037] Performance Testing Take the PHC587C2 coatings 17 prepared in Examples 4 to 6 and Comparative Examples 1 to 3, and conduct a comparative scratch test on the prepared PHC587C2 coatings 17; Scratch test: The PHC587C2 coating 17 prepared in Examples 4 to 6 and Comparative Examples 1 to 3 was coated on the surface of a 20 square centimeter metal plate, and then a hard object was used to scrape off the coating. The scratch marks were tested respectively, and the test results are recorded in Table 1:

[0038] By analyzing the relevant data in the above table, it can be known that the PHC587C2 coating 17 coated on the B-pillar trim panel body 1 of the present invention, on the basis of traditional coatings, adds amine curing agent, silicate filler and acetone. After the PHC587C2 coating 17 is coated on the surface of the B-pillar trim panel body 1, the B-pillar trim panel body 1 has super non-stickiness, most materials are easy to clean on its surface, solid substances are difficult to adhere permanently, and ultra-low friction coefficient: It has a low friction coefficient, so that the coating surface has extremely strong hydrophobicity and oleophobicity, cleaning is easier and more thorough, and can exhibit self-cleaning properties.

[0039] Embodiment seven:

[0040] The metal strip insert 7 is made of cold-rolled steel, and a coating is electroplated on the surface of the cold-rolled steel, and the coating includes 40 parts by weight of zinc powder, 4 parts by weight of solvent, 1 part by weight of stabilizer, and 0.21 parts by weight of pH adjuster.

[0041] Embodiment eight:

[0042] The coating provided in this embodiment is substantially the same as that in embodiment seven, the main difference being that it comprises 50 parts by weight of zinc powder, 5 parts by weight of solvent, 2 parts by weight of stabilizer and 0.23 parts by weight of pH adjuster.

[0043] Embodiment nine:

[0044] The coating provided in this embodiment is substantially the same as that in embodiment seven, the main difference being that it comprises 60 parts by weight of zinc powder, 6 parts by weight of solvent, 3 parts by weight of stabilizer and 0.25 parts by weight of pH adjuster.

[0045] Comparative Example 4 The coating provided in this embodiment is substantially the same as that in the seventh embodiment, with the main difference being that no stabilizer is added.

[0046] Comparative Example 5 The coating provided in this embodiment is substantially the same as that in the seventh embodiment, with the main difference being that no pH regulator is added.

[0047] Performance Testing Take the coatings prepared in Examples 7 to 9 and Comparative Examples 4 to 5, and conduct a service life test on the prepared coatings; Life test: The coatings prepared in Examples 7 to 9 and Comparative Examples 4 to 5 were coated on the surface of 5 square centimeters of cold-rolled steel, and then the corrosion solution was poured on the surface, and the service life was tested. The test results are recorded in Table 2:

[0048] By analyzing the relevant data in the above table, it can be known that the present invention electroplates a coating on the surface of the metal strip insert 7. On the basis of the traditional coating, a stabilizer and a pH adjuster are added. After the coating is electroplated on the surface of the metal strip insert 7, the metal strip insert 7 has the performance of improving the corrosion resistance of the atmosphere, water and other chemical substances, which plays a role in extending the service life. In addition, the entire steel is easier to cut, weld, bend and shape, is convenient to process, and has high durability and corrosion resistance.

[0049] The use method and working principle of the device: the B-pillar trim plate body 1 is connected to the guide plate body 3 through the partition plate 14, and the partition plate 14 is used to separate enough space to accommodate the glass, and a metal strip insert 7 is set in the guide plate body 3. During installation, the metal strip insert 7 is pre-buried in the guide plate body 3 in advance, and then injection molding is performed. By adding the metal strip insert 7 inside the guide plate body 3, the structural strength and rigidity of the guide plate body 3 can be effectively improved, solving the problem of poor strength and torsional rigidity of the plastic structure itself; When installing the metal strip insert 7, insert the positioning block 15 into the positioning hole 10, insert the limiting protrusion 16 on the top of the positioning block 15 into the positioning hole 10 of the metal strip insert 7, and the top of the limiting protrusion 16 will enter the receiving groove 9, thereby completing the positioning and limiting of the metal strip insert 7; The reinforcement strip 19 can improve the structural strength between the partition plate 14 and the B-pillar trim plate body 1 to prevent the partition plate 14 and the B-pillar trim plate body 1 from being deformed, and the presence of the boss 18 and the positioning frame 23 can limit the B-pillar trim plate body 1 to prevent the B-pillar trim plate body 1 from being misplaced. At the same time, a notch 21 is provided at the junction of the reinforcement plate 2 and the partition plate 14, and an anti-slip sheet 22 is fixedly installed at the edge of the notch 21, so that the reinforcement plate 2 and the partition plate 14 can be fixed through the notch 21 during installation; In addition, the surface of the B-pillar trim panel is coated with PHC587C2 coating, which contains curing agent, silicate filler, acetone and leveling agent. The production cost is comparable to that of traditional PMMA outer panels, but the wear resistance and material strength are much higher than PMMA, and it has the advantage of higher cost performance. In the coating process, a new water curtain coating process is used to enhance the gloss and high-gloss black effect, and completely avoid the orange peel problem of traditional spray painting. The appearance is better than spray painting. The 4700F coating is coated by a robot and requires two coats and two bakes. The PHC587C2 coating only requires one coat and one bake, with fewer process flows, better appearance quality and fewer defects.

[0050] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A new B-pillar trim rail with integrated long metal inserts, characterized in that: The invention comprises a B-pillar trim panel body (1), the bottom of which is fixedly connected to a guide rail body (3), a partition plate (14) is fixedly installed at the junction of the B-pillar trim panel body (1) and the guide rail body (3), a metal strip insert (7) is fixedly installed inside the guide rail body (3), one side of the metal strip insert (7) is fixedly connected to a bent plate (11), the bent plate (11) is fixedly installed inside the partition plate (14), the inside of the metal strip insert (7) and the inside of the guide rail body (3) are both provided with positioning holes (10), one end of the metal strip insert (7) is fixedly connected to an arc plate (12), the other end of the arc plate (12) is fixedly connected to an extension plate (13), and the extension plate (13) is fixedly connected to the inside of the guide rail body (3).

2. The novel B-pillar trim rail with integrated long metal insert according to claim 1, characterized in that: A connection block (20) is fixedly mounted on one end of the B-pillar trim panel body (1), and the connection block (20) is used to connect the B-pillar trim panel body (1) with the B-pillar. A clamping block (24) is fixedly connected to one end of the partition plate (14).

3. The novel B-pillar trim rail with integrated long metal insert according to claim 1, characterized in that: Two receiving grooves (9) are provided at the junction of the guide rail plate body (3) and the metal strip insert (7). The receiving grooves (9) are located above the metal strip insert (7), and the axis of the receiving grooves (9) coincides with the axis of the positioning hole (10).

4. The novel B-pillar trim rail with integrated long metal insert according to claim 1, characterized in that: The surface of the B-pillar trim plate body (1) is coated with a PHC587C2 coating (17), wherein the PHC587C2 coating (17) comprises 7 to 9 parts by weight of epoxy resin, 1 to 2 parts by weight of an amine curing agent, 1 to 3 parts by weight of a silicate filler, 0.2 to 0.4 parts by weight of acetone, and 4 to 6 parts by weight of a leveling agent.

5. The novel B-pillar trim rail with integrated long metal insert according to claim 1, characterized in that: The metal strip insert (7) is made of cold-rolled steel, and a coating is electroplated on the surface of the cold-rolled steel, wherein the coating comprises 40 to 60 parts by weight of zinc powder, 4 to 6 parts by weight of a solvent, 1 to 3 parts by weight of a stabilizer, and 0.21 to 0.25 parts by weight of a pH adjuster.

6. The novel B-pillar trim rail with integrated long metal insert according to claim 3, characterized in that: A reinforcing plate (2) is fixedly mounted at the junction of the B-pillar trim plate body (1) and the guide rail plate body (3), a mounting connection hole (6) is provided inside the reinforcing plate (2), a convex plate (4) is fixedly mounted at the edge of the reinforcing plate (2), a through hole (5) is provided inside the convex plate (4), the extension plate (13) is located inside the convex plate (4), and the arc plate (12) is located at the junction of the reinforcing plate (2) and the convex plate (4).

7. The novel B-pillar trim rail with integrated long metal insert according to claim 1, characterized in that: A positioning block (15) is movably connected to the bottom of the guide rail plate body (3), and a limiting protrusion (16) is fixedly installed on the top of the positioning block (15). The shape of the limiting protrusion (16) is compatible with the shape of the positioning hole (10), and the limiting protrusion (16) is located inside the positioning hole (10).

8. The novel B-pillar trim rail with integrated long metal insert according to claim 7 is characterized in that: A positioning ring (8) is fixedly mounted on one side of the guide rail plate body (3), the positioning ring (8) is located at the edge of the positioning hole (10), the positioning block (15) is located at the intersection of the positioning hole (10) and the positioning ring (8), and the top of the limiting protrusion (16) passes through the positioning hole (10) and is inserted into the interior of the accommodating groove (9).

9. The novel B-pillar trim rail with integrated long metal insert according to claim 1, characterized in that: A reinforcing strip (19) is fixedly mounted at the junction of the partition plate (14) and the B-pillar trim plate body (1), one end of the reinforcing strip (19) is fixedly connected to the B-pillar trim plate body (1), and a boss (18) is fixedly mounted on one side of the B-pillar trim plate body (1), the boss (18) being located on one side of the partition plate (14).

10. The novel B-pillar trim rail with integrated long metal insert according to claim 6, characterized in that: A notch (21) is provided at the junction of the reinforcing plate (2) and the partition plate (14), an anti-slip sheet (22) is fixedly mounted at the edge of the notch (21), a positioning frame (23) is fixedly mounted on one side of the B-pillar trim plate body (1), and the positioning frame (23) is located on the other side of the partition plate (14).

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