CN115320345A - Vehicle and trackless sliding door thereof - Google Patents

Abstract

The invention relates to the technical field of vehicle door accessories, and discloses a vehicle and a trackless sliding door thereof. One end is connected by coaxial rotation, and one end of the door shaft is coaxially installed with a torsion spring. The torsion spring includes a first clearance elimination arm and a second clearance elimination arm with opposite force directions, and the first clearance elimination arm is pressed against the door body or the door bracket. and the second gap eliminating arm abuts against the waist link, and the outer side wall of the door rotating shaft forms a first contact surface and a second contact surface with the door bracket and the waist link respectively. The vehicle and the trackless sliding door of the present invention eliminate the assembly gap between the four-link mechanisms of the trackless sliding door and avoid the shaking of the vehicle door during the opening and closing process.

Description

A kind of car and its trackless sliding door

technical field

The invention relates to the technical field of car door accessories, in particular to a car and its trackless sliding door.

Background technique

At present, during the processing and assembly of the trackless sliding door four-bar linkage mechanism, due to technological limitations, the gap between the parts cannot be completely eliminated after assembly, resulting in a certain degree of shaking during the door opening and closing process.

Contents of the invention

The object of the present invention is to provide a car and its trackless sliding door, eliminate the assembly gap between the four-bar linkages of the trackless sliding door, and avoid the shaking of the door during opening and closing.

In order to achieve the above object, the present invention provides a trackless sliding door, which includes a door body, the door body is connected with a door bracket, and the door bracket is equipped with a door shaft and a waist connecting rod, and the door shaft and the waist One end of the connecting rod is coaxially rotatably connected, and a torsion spring is coaxially installed at one end of the door shaft. The torsion spring includes a first gap eliminating arm and a second gap eliminating arm with opposite force directions. The first gap eliminating arm The arm abuts against the door body or the door bracket, the second gap eliminating arm abuts against the waist link, and the outer wall of the door shaft forms a first joint with the door bracket and the waist link respectively. contact surface and second contact surface.

As a preferred solution, the door bracket includes two bracket arms, the upper ends of the bracket arms are provided with rotation holes, one end of the waist link is rotatably installed between the two bracket arms, and the waist link One end is provided with a rotating shaft hole, the door rotating shaft is respectively installed in the rotating hole and the rotating shaft hole, the rotating hole is connected with the door rotating shaft through the first contact surface, and the rotating shaft hole passes through the second The contact surface is connected with the door hinge.

As a preferred solution, the door shaft includes a first shaft section and a second shaft section, one end of the first shaft section is connected to one end of the second shaft section, and the first shaft section is located at the On one side, the second shaft section is rotatably connected with the two bracket arms respectively, the second shaft section is rotatably connected with the rotation hole and the shaft hole respectively, and the torsion spring is installed on the first A shaft segment, a clamping ring is connected between the first shaft end and the second shaft segment, the clamping ring extends along the radial direction of the door shaft, and the diameter of the clamping ring is larger than the The diameter of the turning hole.

As a preferred solution, the second shaft section includes a connecting section and an end shaft section, one end of the connecting section is connected to the first shaft section, the other end of the connecting section is connected to the end shaft section, the The diameter of the connecting section is larger than the diameter of the end shaft section, one of the bracket arms is provided with a large connection hole connected with the connection section, and the other support arm is provided with a small connection hole connected with the end shaft section. The end surface of the connecting section is in contact with the outer periphery of the connecting small hole.

As a preferred solution, the door body is provided with a mounting groove, the door bracket is installed in the mounting groove, and a mounting bump is arranged in the mounting groove, and the first gap eliminating arm abuts against the mounting bump block, the waist connecting rod is provided with an extension installation part, the extension installation part protrudes toward the side of the torsion spring, and the second clearance eliminating arm abuts against the extension installation part.

As a preferred solution, one end of the installation projection is upward to form a limit block, and the limit block is located at an end away from the door shaft, and the extended installation part is downwardly formed into a limit hook toward one end of the torsion spring, The second gap eliminating arm is installed in the limit hook.

As a preferred solution, the limit hook is located on the outer periphery of the bracket arm.

As a preferred solution, the waist link includes a rotating end and a rod body, the rotating end is connected to one end of the rod body, the limit hook is arranged on one side of the rod body, and the rotating shaft hole is opened on the Rotate the end.

As a preferred solution, the vehicle door bracket includes a bracket bottom plate, the bottom surface of the bracket bottom plate is connected to the door body, and one end of the bracket arm is connected to the bracket bottom plate.

A car, comprising a car body and the trackless sliding door, one end of the waist link is connected to the door body in rotation, the other end of the waist link is connected to the car body, and the car body A bottom plate connecting rod is connected with the door body.

Compared with the prior art, the car and its trackless sliding door in the embodiment of the present invention have the beneficial effect that the bottom surface of the door bracket is connected with the door body, and the other side of the door bracket is connected with one end of the waist link through the door shaft. A torsion spring is coaxially connected to one end of the door shaft, and the first gap eliminating arm is pressed against the door body or the door bracket to form a reaction force on the door shaft, so that the outer wall of the door shaft contacts the door bracket to form the first contact On the surface, the second gap eliminating arm abuts against the waist connecting rod, and the second gap eliminating arm abuts against the waist connecting rod, so that the outer side wall of the door shaft contacts the waist connecting rod to form a second contact surface , the door bracket rotates relative to the door shaft through the first contact surface, and the waist link rotates relative to the door shaft through the second contact surface. The assembly gap between the waist links prevents the door from shaking during opening and closing. Installing a torsion spring in the door rotating shaft can eliminate the assembly gap between the door rotating shaft and the car door bracket and waist connecting rod respectively, and the modification cost is low.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

FIG. 2 is a schematic diagram of an enlarged structure of FIG. 1A according to an embodiment of the present invention.

Fig. 3 is a schematic side view of the vehicle door bracket, torsion spring and vehicle door rotating shaft according to the embodiment of the present invention.

Fig. 4 is a schematic cross-sectional structure diagram at Fig. 3B-B of the embodiment of the present invention.

Fig. 5 is a structural schematic diagram of the waist link according to the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a vehicle door bracket according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a door hinge according to an embodiment of the present invention.

In the picture:

10. Door body; 11. Installation slot; 12. Installation bump; 13. Limiting block;

20. Car door bracket; 21. First contact surface; 22. Bracket arm; 23. Rotation hole; 24. Bracket bottom plate; 25. Large connection hole; 26. Small connection hole;

30. Door shaft; 31. First shaft section; 32. Snap ring; 33. Second shaft section; 34. Connecting section; 35. End shaft section;

40. Waist connecting rod; 41. Second contact surface; 42. Shaft hole; 43. Extended installation part; 44. Limit hook; 45. Rotating end; 46. Rod body;

50, torsion spring; 51, the first gap elimination arm; 52, the second gap elimination arm;

60, car body; 61, floor connecting rod.

Detailed ways

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the It should not be construed as limiting the invention that a device or element must have a particular orientation, be constructed, and operate in a particular orientation.

In the description of the present invention, it should be understood that the terms "connected", "connected", and "fixed" used in the present invention should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integrate; can be mechanical connection, can also be welded connection; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined . Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

As shown in Figures 1 to 7, a trackless sliding door in a preferred embodiment of the present invention includes a door body 10, the door body 10 is connected with a door bracket 20, and the door bracket 20 is equipped with a door shaft 30 and a waist link 40. The door shaft 30 is coaxially connected with one end of the waist link 40, and one end of the door shaft 30 is coaxially equipped with a torsion spring 50. The torsion spring 50 includes a first gap elimination arm 51 and a second gap elimination arm 51 with opposite force directions. The arm 52, the first gap eliminating arm 51 abuts against the door body 10 or the door bracket 20, and the second gap eliminating arm 52 abuts against the waist link 40, as shown in Figures 3 to 4, the outer walls of the door shaft 30 are respectively The first contact surface 21 and the second contact surface 41 are formed with the door bracket 20 and the waist link 40 .

In the trackless sliding door of the present invention, the bottom surface of the door bracket 20 is connected to the door body 10 , and the other side of the door bracket 20 is connected to one end of the waist link 40 through the door rotating shaft 30 . One end of the door shaft 30 is coaxially connected with a torsion spring 50, and the first gap eliminating arm 51 abuts against the door body 10 or the door bracket 20, forming a reaction force on the door shaft 30, so that the outer wall of the door shaft 30 is in contact with the door bracket. 20 contacts to form the first contact surface 21, the second gap eliminating arm 52 abuts against the waist link 40, and the second gap eliminating arm 52 abuts against the waist link 40, so that the outer wall of the door shaft 30 contacts the waist link 40 The second contact surface 41 is formed, the door bracket 20 is relatively rotated with the door shaft 30 through the first contact surface 21, the waist link 40 is relatively rotated with the door shaft 30 through the second contact surface 41, and the door bracket 20 and the waist link 40 are respectively connected with The outer surface of the door shaft 30 is in contact with each other to eliminate the assembly gap between the door shaft 30 and the door bracket 20 and the waist link 40, so as to prevent the door from shaking during opening and closing. Installing a torsion spring 50 in the door shaft 30 can eliminate the assembly gap between the door shaft 30 and the door bracket 20 and the waist link 40 respectively, and the refitting cost is low.

Further, as shown in Figures 1 to 4, the door bracket 20 includes two bracket arms 22, the upper end of the bracket arms 22 is provided with a rotation hole 23, and one end of the waist link 40 is rotatably installed between the two bracket arms 22, One end of the waist link 40 is provided with a rotating shaft hole 42, the door rotating shaft 30 is installed in the rotating hole 23 and the rotating shaft hole 42 respectively, the rotating hole 23 is connected with the door rotating shaft 30 through the first contact surface 21, and the rotating shaft hole 42 passes through the second contact surface 41 It is connected with the door shaft 30. One end of the waist link 40 is installed between the link bracket arms 22 to prevent the waist link 40 from moving in the axial direction of the door shaft 30 during rotation, and to limit the waist link 40 . Installed on one end of the door shaft 30 by the torsion spring 50, the first gap eliminates the reaction force of the arm 51, so that the first contact surface 21 is formed between the inner wall of the rotation hole 23 and the outer wall of the door shaft 30, and the second gap eliminates the arm 52. In the waist link 40 , a second contact surface 41 is formed between the rotating shaft hole 42 and the outer wall of the door rotating shaft 30 to eliminate the gap between the door rotating shaft 30 and the rotating hole 23 and the rotating shaft hole 42 respectively. More specifically, the first contact surface 21 is opposite to the second contact surface 41 .

Further, as shown in FIG. 7 , the door shaft 30 includes a first shaft section 31 and a second shaft section 33, one end of the first shaft section 31 is connected to one end of the second shaft section 33, and the first shaft section 31 is located on the bracket arm. 22, the second shaft section 33 is connected to the two bracket arms 22 in rotation, the second shaft section 33 is connected to the rotation hole 23 and the shaft hole 42 in rotation, the torsion spring 50 is installed on the first shaft section 31, and the first A clamping ring 32 is connected between the shaft end and the second shaft section 33 , and the clamping ring 32 extends along the radial direction of the door rotating shaft 30 . The diameter of the clamping ring 32 is larger than that of the rotating hole 23 . Through the setting of the locking ring 32 , it is ensured that the first shaft segment 31 is located on one side of the support arm 22 , and the torsion spring 50 is prevented from falling off during the rotation of the door shaft 30 .

Further, as shown in FIG. 7, the second shaft segment 33 includes a connecting segment 34 and an end shaft segment 35, one end of the connecting segment 34 is connected to the first shaft segment 31, and the other end of the connecting segment 34 is connected to the end shaft segment 35, The diameter of the connection section 34 is greater than the diameter of the end shaft section 35, one of the support arms 22 is provided with a large connection hole 25 connected with the connection section 34, and the other support arm 22 is provided with a small connection hole 26 connected with the end shaft section 35, An end surface of the connecting section 34 abuts against the periphery of the connecting hole 26 . Two connecting small holes 26 and large connecting holes 25 with different diameters are arranged on the bracket arm 22, and the small connecting holes 26 and the large connecting holes 25 are respectively fitted with the end shaft section 35 and the connecting section 34 to realize the connection of the second shaft section 33. The position is limited so that the connecting section 34 is kept between the two support arms 22 . At the same time, the door rotating shaft 30 is simple to process and reduces production costs.

Further, as shown in Figures 1 to 2, the door body 10 is provided with a mounting groove 11, the door bracket 20 is installed in the mounting groove 11, and the mounting groove 11 is provided with a mounting protrusion 12, and the first clearance eliminating arm 51 is abutted against On the mounting bump 12 , the waist link 40 is provided with an extending mounting portion 43 , which protrudes toward the side of the torsion spring 50 , and the second clearance eliminating arm 52 abuts against the extending mounting portion 43 . The setting of the mounting bump 12 marks the installation position of the door bracket 20 in the mounting groove 11, which helps to improve the assembly efficiency. The tightness of the contact surface with the waist link 40. The height of the mounting bump 12 is set according to the actual tightness requirements.

Further, as shown in FIG. 1 , one end of the installation projection 12 forms a limit block 13 upwards, and the limit block 13 is located at an end far away from the door shaft 30 , and the end of the extended installation portion 43 toward the torsion spring 50 forms a limit hook downward. 44 , the second clearance eliminating arm 52 is installed in the limit hook 44 . The limit block 13 restricts the movement of the first gap eliminating arm 51 away from the first shaft section 31 , so that the torsion spring 50 is kept at the position of the first shaft section 31 . The limit hook 44 keeps the second gap eliminating arm 52 against the waist connecting rod 40 and installed thereon.

Further, as shown in FIG. 5 , the limit hook 44 is located on the outer periphery of the bracket arm 22 to prevent the waist link 40 from interfering with the bracket arm 22 when rotating.

Further, as shown in Figure 5, the waist link 40 includes a rotating end 45 and a rod body 46, the rotating end 45 is connected to one end of the rod body 46, the limit hook 44 is arranged on one side of the rod body 46, and the rotating shaft hole 42 is opened in Rotate the end 45 to prevent the waist link 40 from interfering with the support arm 22 when rotating.

Further, as shown in FIG. 6 , the door bracket 20 includes a bracket bottom plate 24 , the bottom surface of the bracket bottom plate 24 is connected to the door body 10 , and one end of the bracket arm 22 is connected to the bracket bottom plate 24 . The connection between the support arm 22 and the door body 10 is realized through the support bottom plate 24, which facilitates the adjustment of the installation position of the support arm 22 and improves assembly flexibility. At the same time, the bracket bottom plate 24 is connected to one end of the bracket arm 22 to improve the integrity of the door bracket 20 and improve assembly efficiency.

A car, as shown in Figures 1 to 7, includes a car body 60 and a trackless sliding door, one end of the waist link 40 is rotatably connected to the door body 10, and the other end of the waist link 40 is connected to the car body 60. A bottom plate connecting rod 61 is connected between the body 60 and the door body 10 .

In the car of the present invention, the car body 60, the connecting rod at the waist, the door body 10 and the bottom plate connecting rod 61 are connected to form a four-bar linkage. By installing the torsion spring 50 on the door rotating shaft 30, the assembly gap between the four-bar linkages of the trackless sliding door is eliminated, and the shaking of the door during opening and closing is avoided.

To sum up, the embodiment of the present invention provides a car and its trackless sliding door. The bottom surface of the door bracket 20 is connected to the door body 10 , and the other side of the door bracket 20 is connected to one end of the waist link 40 through the door shaft 30 . One end of the door shaft 30 is coaxially connected with a torsion spring 50, and the first gap eliminating arm 51 abuts against the door body 10 or the door bracket 20, forming a reaction force on the door shaft 30, so that the outer wall of the door shaft 30 is in contact with the door bracket. 20 contacts to form the first contact surface 21, the second gap eliminating arm 52 abuts against the waist link 40, and the second gap eliminating arm 52 abuts against the waist link 40, so that the outer wall of the door shaft 30 contacts the waist link 40 The second contact surface 41 is formed, the door bracket 20 is relatively rotated with the door shaft 30 through the first contact surface 21, the waist link 40 is relatively rotated with the door shaft 30 through the second contact surface 41, and the door bracket 20 and the waist link 40 are respectively connected with The outer surface of the door shaft 30 is in contact with each other to eliminate the assembly gap between the door shaft 30 and the door bracket 20 and the waist link 40, so as to prevent the door from shaking during opening and closing. Installing a torsion spring 50 in the door shaft 30 can eliminate the assembly gap between the door shaft 30 and the door bracket 20 and the waist link 40 respectively, and the refitting cost is low.

The above are only preferred embodiments of the present invention, and it should be pointed out that for those of ordinary skill in the art, some improvements and replacements can also be made without departing from the technical principle of the present invention, and these improvements and replacements should also be It is regarded as the protection scope of the present invention.

Claims (10)

1. A trackless sliding door, characterized in that: it comprises a door body, the door body is connected with a door bracket, the door bracket is equipped with a door shaft and a waist connecting rod, the connection between the door shaft and the waist connecting rod One end is coaxially rotatably connected, and one end of the door shaft is coaxially equipped with a torsion spring, and the torsion spring includes a first gap elimination arm and a second gap elimination arm with opposite force directions, and the first gap elimination arm abuts against the For the door body or the door bracket, the second gap eliminating arm abuts against the waist link, and the outer wall of the door shaft forms a first contact surface and a first contact surface with the door bracket and the waist link respectively. Second contact surface. 2. The trackless sliding door according to claim 1, characterized in that: the door bracket includes two bracket arms, the upper ends of the bracket arms are provided with rotation holes, and one end of the waist link is rotatably mounted on the two bracket arms. Between the two bracket arms, one end of the waist link is provided with a rotating shaft hole, and the door rotating shaft is respectively installed in the rotating hole and the rotating shaft hole, and the rotating hole is connected with the first contact surface through the first contact surface. The door shaft is connected, and the shaft hole is connected with the door shaft through the second contact surface. 3. The trackless sliding door according to claim 2, wherein the door shaft comprises a first shaft section and a second shaft section, one end of the first shaft section and one end of the second shaft section connected, the first shaft section is located on one side of the bracket arm, the second shaft section is respectively connected to the two bracket arms in rotation, and the second shaft section is respectively connected to the rotation hole and the shaft The hole is rotatably connected, the torsion spring is installed on the first shaft section, and a snap ring is connected between the first shaft end and the second shaft section, and the snap ring is along the diameter of the door shaft. Extending in the direction, the diameter of the locking ring is larger than the diameter of the rotating hole. 4. The trackless sliding door according to claim 3, wherein the second shaft section includes a connecting section and an end shaft section, one end of the connecting section is connected to the first shaft section, and the connecting section The other end of the section is connected with the end shaft section, the diameter of the connection section is larger than the diameter of the end shaft section, one of the bracket arms is provided with a large connection hole connected with the connection section, and the other The support arm is provided with a connecting small hole connected with the end shaft section, and the end surface of the connecting section is in contact with the outer periphery of the connecting small hole. 5. The trackless sliding door according to claim 2, characterized in that: said door body is provided with a mounting groove, said door bracket is mounted in said mounting groove, said mounting groove is provided with a mounting bump, The first gap eliminating arm abuts against the installation bump, the waist link is provided with an extended installation part, and the extended installation part protrudes toward the side of the torsion spring, and the second gap eliminating arm abuts against the mounting bump. on top of the extension mounting part. 6. The trackless sliding door according to claim 5, characterized in that: one end of the installation projection is upwardly formed with a limit block, the limit block is located at the end far away from the door shaft, and the extension installation part A limiting hook is formed downward toward one end of the torsion spring, and the second gap eliminating arm is installed in the limiting hook. 7. The trackless sliding door according to claim 6, wherein the limit hook is located on the outer periphery of the bracket arm. 8. The trackless sliding door according to claim 6, characterized in that: the waist link includes a rotating end and a rod body, the rotating end is connected to one end of the rod body, and the limit hook is set on On one side of the rod body, the rotating shaft hole is opened at the rotating end. 9. The trackless sliding door according to claim 2, characterized in that: the door bracket includes a bracket bottom plate, the bottom surface of the bracket bottom plate is connected to the door body, and one end of the bracket arm is connected to the bracket bottom plate connect. 10. A car, characterized in that it comprises a car body and the trackless sliding door according to any one of claims 1-9, one end of the waist link is connected to the door in rotation, and the waist link The other end is connected with the vehicle body, and a bottom plate connecting rod is connected between the vehicle body and the door body.

Images