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CN-224200442-U - New energy pure electric rear cabin door hinge

CN224200442UCN 224200442 UCN224200442 UCN 224200442UCN-224200442-U

Abstract

The utility model belongs to the technical field of cabin door hinges, in particular to a new energy pure electric rear cabin door hinge which comprises a hinge seat and a hinge rod body, wherein the hinge rod body is formed by combining a straight-line section rod body, a bending section rod body and an inclined section rod body, the hinge rod body is formed by extrusion molding through a die-casting die, a first locking adjusting opening is formed in the surface of the straight-line section rod body, and a hinge groove is formed in one end of the bending section rod body. The new energy pure electric rear cabin door hinge ensures continuous lubrication of the hinge, remarkably reduces abrasion, prolongs service life and improves reliability of the hinge through an accurate lubrication system design, and secondly, the combination of the sealing ball and the sealing ring provides excellent sealing performance, effectively prevents lubricating oil from leaking, keeps the system clean and reduces maintenance cost.

Inventors

  • LIN ZHONGGEN
  • BAO TIANGUI
  • ZOU CHEN
  • CHEN ZENG

Assignees

  • 厦门美驰汽配工业有限公司

Dates

Publication Date
20260505
Application Date
20250326

Claims (7)

  1. 1. The novel energy pure electric rear cabin door hinge is characterized by comprising a hinge seat (1) and a hinge rod body (2), wherein the hinge rod body (2) is formed by combining a straight-line section rod body (21), a bending section rod body (22) and an inclined section rod body (23), the hinge rod body (2) is formed by extrusion molding through a die casting die, a first locking adjusting opening (3) is formed in the surface of the straight-line section rod body (21), a hinge groove (4) is formed in one end of the bending section rod body (22), the inner wall of the hinge groove (4) is rotationally connected with one end cylindrical surface of the hinge seat (1), pin shaft holes (5) are formed in the inner walls of two ends of the hinge groove (4), a pin shaft (6) is slidably inserted into the inner wall of the pin shaft holes (5) through a key bar, the circular arc surface in the middle of the pin shaft (6) is rotationally connected with one end cylindrical inner wall of the hinge seat (1), a clamp spring (7) is clamped at one end of the pin shaft (6), and the clamp spring (7) is located on one side of the hinge seat (1). The hinge is characterized in that a second locking adjusting opening (8) is formed in the surface of the other end of the hinge seat (1), a lubricating mechanism is arranged in the pin shaft (6), and the lubricating mechanism achieves the lubricating action of the pin shaft (6).
  2. 2. The new energy pure electric rear hatch door hinge according to claim 1, wherein the lubrication mechanism comprises a lubrication storage cavity (9) formed in the pin shaft (6), lubricating oil is arranged in the lubrication storage cavity (9), an oil filling hole (10) is formed in the inner wall of one end of the lubrication storage cavity (9), and one end of the oil filling hole (10) penetrates through and extends to one end of the pin shaft (6).
  3. 3. The new energy pure electric rear cabin door hinge according to claim 2, wherein a hidden oil filling pipe (11) is fixedly arranged on the inner wall of one end of the oil filling hole (10), a first limiting ring (12) is fixedly arranged on one end of the hidden oil filling pipe (11), a first spring (13) is fixedly arranged on one side of the first limiting ring (12), a first sealing ball (14) is fixedly arranged on one end of the first spring (13), the diameter of the first sealing ball (14) is larger than the inner diameter of one end of the hidden oil filling pipe (11), and the arc surface of the first sealing ball (14) and the inner wall of the oil filling end of the hidden oil filling pipe (11) are sealed through extrusion of a sealing ring.
  4. 4. The new energy pure electric rear cabin door hinge disclosed in claim 3 is characterized in that an annular groove (15) is formed in the inner wall of the middle of the cylindrical end of the hinge base (1), a protrusion (16) is fixedly arranged on the inner wall of the annular groove (15), a lubricating oil outlet (17) is formed in the middle section of the circular arc surface of the pin shaft (6), and one end of the lubricating oil outlet (17) is fixedly communicated with the lubricating storage cavity (9).
  5. 5. The new energy pure electric rear cabin door hinge according to claim 4, wherein a lubricating pipe (18) is fixedly arranged on the inner wall of the top end of the lubricating oil outlet hole (17), and the oil outlet end of the lubricating pipe (18) corresponds to the inner wall of the annular groove (15).
  6. 6. The new energy pure electric rear cabin door hinge according to claim 4, wherein a second limiting ring (19) is fixedly arranged on the inner wall of the bottom end of the lubricating pipe (18), a second spring (20) is fixedly arranged on the top of the second limiting ring (19), a second sealing ball (201) is fixedly arranged on the top of the second spring (20), and the arc surface of the second sealing ball (201) is in extrusion contact with the surface of the protrusion (16).
  7. 7. The new energy pure electric rear hatch door hinge according to claim 6, wherein the diameter of the second sealing ball (201) is larger than the inner diameter of the top end of the lubricating pipe (18), and the arc surface of the second sealing ball (201) and the inner wall of the top end of the lubricating pipe (18) are sealed by extrusion through a sealing ring.

Description

New energy pure electric rear cabin door hinge Technical Field The utility model relates to the technical field of cabin door hinges, in particular to a new energy pure electric rear cabin door hinge. Background In the existing electric automobile rear cabin door hinge technology, a few technical problems need to be solved. The traditional rear cabin door hinge is large in size and heavy in weight, the burden of the whole vehicle is increased, the installation is complex, the rear cabin door hinge is not easy to detach, and inconvenience is brought to maintenance and replacement. In addition, the hinge is easy to wear and lubrication failure in the long-term use process, so that noise is increased, vibration is increased, and even potential safety hazards such as door body falling and the like can occur when the rear cabin door is opened and closed. On the other hand, existing rear door hinges often require a large amount of space during the opening process, which is a significant nuisance for garages or crowded parks where space is limited. Moreover, the opened door body may scratch or collide with surrounding objects, so that not only the vehicle is damaged, but also surrounding personnel are possibly injured. In addition, the design of traditional hinge often is comparatively crude, lacks fashion sense and aesthetic property, can't satisfy modern electric automobile to outward appearance and user experience's high requirement. Therefore, a new energy pure electric rear hatch door hinge is needed. Disclosure of utility model Based on the prior art, the utility model provides a new energy pure electric rear cabin door hinge. The utility model provides a new energy pure electric rear cabin door hinge which comprises a hinge seat and a hinge rod body, wherein the hinge rod body is formed by combining a straight-line section rod body, a bending section rod body and an inclined section rod body, the hinge rod body is formed by extrusion molding through a die casting die, a first locking adjusting opening is formed in the surface of the straight-line section rod body, a hinge groove is formed in one end of the bending section rod body, the inner wall of the hinge groove is rotationally connected with one end cylindrical surface of the hinge seat, pin shaft holes are formed in the inner walls of two ends of the hinge groove, pin shafts are slidingly inserted into the inner walls of the pin shaft holes through key bars, the middle circular arc surface of the pin shaft is rotationally connected with one end cylindrical inner wall of the hinge seat, a clamp spring is clamped at one end of the pin shaft, and the clamp spring is located on one side of the hinge seat. The second locking adjusting port is formed in the surface of the other end of the hinge seat, a lubricating mechanism is arranged in the pin shaft, and the lubricating mechanism achieves the action of lubricating the pin shaft. Preferably, the lubrication mechanism comprises a lubrication storage cavity arranged in the pin shaft, lubricating oil is arranged in the lubrication storage cavity, an oil filling hole is formed in the inner wall of one end of the lubrication storage cavity, and one end of the oil filling hole penetrates through and extends to one end of the pin shaft. Preferably, the inner wall of one end of the oil filling hole is fixedly provided with a hidden oil filling pipe, one end of the hidden oil filling pipe is fixedly provided with a first limiting ring, one side of the first limiting ring is fixedly provided with a first spring, one end of the first spring is fixedly provided with a first sealing ball, the diameter of the first sealing ball is larger than the inner diameter of one end of the hidden oil filling pipe, and the arc surface of the first sealing ball is sealed with the inner wall of the oil filling end of the hidden oil filling pipe through the extrusion of a sealing ring. Preferably, the annular groove is formed in the inner wall of the middle of the cylindrical end of the hinge seat, the bulge is fixedly arranged on the inner wall of the annular groove, a lubricating oil outlet is formed in the middle section of the circular arc surface of the pin shaft, and one end of the lubricating oil outlet is fixedly communicated with the lubricating storage cavity. Preferably, a lubricating pipe is fixedly arranged on the inner wall of the top end of the lubricating oil outlet, and the oil outlet end of the lubricating pipe corresponds to the inner wall of the annular groove. Preferably, a second limiting ring is fixedly arranged on the inner wall of the bottom end of the lubricating pipe, a second spring is fixedly arranged at the top of the second limiting ring, a second sealing ball is fixedly arranged at the top of the second spring, and the arc surface of the second sealing ball is in extrusion contact with the surface of the protrusion. Preferably, the diameter of the second sealing ball is larger than the inner diameter o