Search

CN-117231079-B - Switching coupling mechanism, handrail case and car

CN117231079BCN 117231079 BCN117231079 BCN 117231079BCN-117231079-B

Abstract

The invention provides an opening and closing connecting mechanism, a handrail box and an automobile, and relates to the technical field of automobile parts. The mechanism comprises two transmission components, wherein the two transmission components are arranged corresponding to the two opening and closing pieces respectively, the two opening and closing pieces are distributed along a first direction and can be installed on a base in an opening and closing mode, the transmission components comprise transmission wheels and connecting rods, the two transmission wheels and the two connecting rods of the two transmission components are symmetrically arranged in the first direction and are rotatably installed on the base, the two transmission wheels are in transmission connection and are opposite in rotation direction, the connecting rods are arranged between the corresponding transmission wheels and the opening and closing pieces, the connecting rods are provided with first ends close to the corresponding opening and closing pieces and second ends opposite to the first ends, the first ends of the connecting rods are used for rotating around a first shaft, the first shaft is used for rotating around a fixed shaft under the driving of the corresponding opening and closing pieces, the second ends of the connecting rods are connected with the corresponding transmission wheels in a rotation mode around a second shaft, and the fixed shaft, the first shaft, the second shaft and the wheel shafts of the transmission wheels are parallel to each other.

Inventors

  • LIU WENSHENG
  • CHEN QILIANG
  • LU XIYU
  • ZHANG DEHUI

Assignees

  • 浙江吉利控股集团有限公司
  • 吉利汽车研究院（宁波）有限公司

Dates

Publication Date
20260505
Application Date
20230801

Claims (9)

  1. 1. The opening and closing connecting mechanism is characterized by comprising a transmission assembly, wherein the transmission assembly is used for being arranged corresponding to two opening and closing pieces (30) respectively, the two opening and closing pieces (30) are distributed along a first direction and can be arranged on a base (40) in an opening and closing manner, the transmission assembly comprises a transmission wheel (10) and a connecting rod (20), the two transmission wheels (10) and the two connecting rods (20) of the two transmission assemblies are symmetrically arranged in the first direction, the two transmission wheels (10) are rotatably arranged on the base (40), and the two transmission wheels (10) are in transmission connection and have opposite rotation directions; the connecting rod (20) is arranged between the corresponding driving wheel (10) and the corresponding opening and closing piece (30), the connecting rod (20) is provided with a first end close to the corresponding opening and closing piece (30) and a second end opposite to the first end, the first end of the connecting rod (20) is used for rotating around a first shaft (21), the first shaft (21) is used for rotating around a fixed shaft (60) under the driving of the corresponding opening and closing piece (30), the second end of the connecting rod (20) is rotationally connected with the corresponding driving wheel (10) around a second shaft (22), the fixed shaft (60) is mounted on the base (40), and the fixed shaft (60), the first shaft (21), the second shaft (22) and the wheel shaft (11) of the driving wheel (10) are mutually parallel; the two opening and closing pieces (30) are respectively connected with the base (40) in a rotating way through two rotating shafts, the symmetrical planes of the two driving wheels (10) are symmetrical planes of the two rotating shafts, the opening and closing pieces (30) are configured to drive the first shaft (21) to rotate around the fixed shaft (60) through rotation, and the fixed shaft (60) is the corresponding rotating shaft of the opening and closing piece (30); Or the transmission assembly comprises a crank block structure, two opening and closing pieces (30) are slidably arranged on the base (40) along the first direction, the opening and closing pieces (30) are configured to convert sliding motion of the opening and closing pieces (30) into rotation of the first shaft (21) around the fixed shaft (60) through the crank block structure, and the fixed shaft (60) is positioned at the rotation center of a crank of the crank block structure.
  2. 2. The opening and closing connection mechanism according to claim 1, wherein the driving wheel (10) is a gear, the two gears are meshed, or the driving wheel (10) is a friction wheel, and the two friction wheels are contacted.
  3. 3. The shutter connection according to claim 1, wherein, when the shutter (30) is configured to rotate the first shaft (21) around the fixed shaft (60) by rotation; The base (40) comprises an end frame (41) positioned at one axial end of the rotating shaft, and the driving wheel (10) is arranged on the outer side of the end frame (41) along the axial direction of the rotating shaft through the wheel shaft (11); And/or at least one of said first shafts (21) is mounted on a corresponding said shutter (30); And/or, the transmission assembly further comprises a swinging rod (50), at least one first shaft (21) is correspondingly provided with the swinging rod (50), one end of the swinging rod (50) is connected with the first end of the connecting rod (20) through the corresponding first shaft (21), and the other end of the swinging rod (50) is fixedly connected with the corresponding rotating shaft and the opening and closing piece (30); When the base (40) comprises the end frame (41) and the first shaft (21) is mounted on the corresponding opening and closing piece (30), a guide groove (43) coaxial with the rotating shaft is arranged on the end frame (41) corresponding to the first shaft (21), the first shaft (21) penetrates through the guide groove (43) and is connected with the first end of the connecting rod (20), and the first shaft (21) is slidably and rotatably connected relative to the guide groove (43); When the base (40) comprises the end frame (41) and the transmission assembly comprises the swing rod (50), one end of the rotating shaft corresponding to the swing rod (50) is fixedly connected with the opening and closing piece (30), and the other end of the rotating shaft penetrates through the end frame (41) and is fixedly connected with the swing rod (50).
  4. 4. An on-off connection mechanism according to any one of claims 1 to 3, characterized in that the driving wheel (10) is coaxially provided with a circular arc guide groove (12) extending in the circumferential direction, the circular arc guide groove (12) having a first groove end (13) and a second groove end (14) in the circumferential direction of the driving wheel (10), the second end of the connecting rod (20) being slidably and rotatably connected with the circular arc guide groove (12) through the second shaft (22); When both the opening and closing members (30) are in the closed state, the second shaft (22) is positioned at the first groove end (13) of the corresponding circular arc guide groove (12); When two opening and closing members (30) are in the closed state and only one opening and closing member (30) performs opening movement, the connecting rods (20) corresponding to the opening and closing members (30) perform opening movement are linked, the linked connecting rods (20) enable the corresponding second shafts (22) to be kept at the first groove ends (13) and drive the corresponding driving wheels (10) to rotate along a set direction, the set direction is a direction that the circular arc guide grooves (12) extend from the second groove ends (14) to the first groove ends (13), the two driving wheels (10) synchronously rotate, the connecting rods (20) corresponding to the opening and closing members (30) which keep the closed state are kept still, the fixed connecting rods (20) move relative to the corresponding driving wheels (10), and enable the corresponding second shafts (22) to move from the first groove ends (13) to the second groove ends (14) in the corresponding circular arc guide grooves (12).
  5. 5. The connection mechanism according to claim 4, wherein when the shutter (30) is positioned in any position, the axes of the corresponding second shafts (22) are all positioned on the same side of a first plane (S1) defined by the axes of the corresponding first shafts (21) and the wheel shafts (11); And/or, the inner wall of the circular arc guide groove (12) at the first groove end (13) is provided with a limiting protrusion, when the second shaft (22) is positioned at the first groove end (13), the limiting protrusion is abutted with the second shaft (22), and the second shaft (22) is limited to move towards the second groove end (14) along the circular arc guide groove (12) and separate from the first groove end (13).
  6. 6. A shutter connection according to any one of claims 1 to 3, wherein a locking assembly (70) is provided between the base (40) and the shutter (30), the locking assembly (70) effecting locking or unlocking of both shutters (30); and/or a reset piece (80) is arranged between the opening and closing piece (30) and the base (40), and the reset piece (80) is used for driving the opening and closing piece (30) to be opened.
  7. 7. The opening and closing connection mechanism according to claim 6, wherein the latch assembly (70) includes two latch structures (71) and two lock hole structures, the latch structure (71) is provided on one of the base (40) and the opening and closing member (30), the lock hole structure is provided on the other of the base (40) and the opening and closing member (30), and locking of the opening and closing member (30) in a closed state is achieved by connection of the latch structure (71) and the lock hole structure; And/or, the lock catch assembly (70) comprises two unlocking parts (714), wherein the two unlocking parts (714) are positioned on the base (40) and positioned at one end of the opening and closing piece (30) along the length direction, and the two unlocking parts (714) are adjacently arranged and are respectively used for unlocking the two opening and closing pieces (30).
  8. 8. An armrest box, comprising two opening and closing members (30) for forming an armrest, a base (40) for forming a box body, and an opening and closing connecting mechanism according to any one of claims 1 to 7, wherein the two opening and closing members (30) are distributed along a first direction and are openably mounted on the base (40), and two transmission components of the opening and closing connecting mechanism are provided corresponding to the two opening and closing members (30).
  9. 9. An automobile comprising the armrest box of claim 8.

Description

Switching coupling mechanism, handrail case and car Technical Field The invention relates to the technical field of automobile parts, in particular to an opening and closing connecting mechanism, an armrest box and an automobile. Background In automobiles, a handrail box is generally arranged, and the handrail box is positioned between two seats, so that elbow support can be provided for drivers and passengers, and the comfort is improved. The armrest box is provided with a single-opening armrest and a double-opening armrest, the single-opening armrest is such as a backward-turning armrest, the double-opening armrest is such as a side-by-side armrest, the side-by-side armrest is provided with a left armrest and a right armrest, the two armrests are respectively and rotatably connected with the left end and the right end of an armrest mounting base, a locking mechanism and a reset mechanism such as a reset spring are arranged between the armrests and the base, and when the armrest box is opened by a user, the user can have inconsistent opening movement between the two armrests due to the reasons of time difference of unlocking of the locking mechanism, performance difference of the reset spring and the like, so that the use experience is affected. Disclosure of Invention The invention aims to solve the problem of how to improve the synchronism of two opening and closing pieces when the two opening and closing pieces are simultaneously opened in the related art to a certain extent. In order to solve at least one aspect of the above problems to at least a certain extent, the present invention provides an opening and closing connection mechanism, which comprises a transmission assembly, two transmission assemblies, two driving wheels and a connecting rod, wherein the two transmission assemblies are used for being respectively arranged corresponding to two opening and closing pieces, and the two opening and closing pieces are distributed along a first direction and can be installed on a base in an opening and closing manner; The connecting rod is arranged between the corresponding driving wheel and the opening and closing piece, the connecting rod is provided with a first end close to the corresponding opening and closing piece and a second end opposite to the first end, the first end of the connecting rod is used for rotating around a first shaft, the first shaft is used for rotating around a fixed shaft under the driving of the corresponding opening and closing piece, the second end of the connecting rod is connected with the corresponding driving wheel in a rotating way around a second shaft, and the fixed shaft, the first shaft, the second shaft and the wheel shaft of the driving wheel are mutually parallel. Optionally, the driving wheel is a gear, the two gears are meshed, or the driving wheel is a friction wheel, and the two friction wheels are contacted. Optionally, the two opening and closing members are respectively connected with the base in a rotating way through two rotating shafts, the symmetrical planes of the two driving wheels are symmetrical planes of the two rotating shafts, and the fixed shaft is the corresponding rotating shaft of the opening and closing member. Optionally, the base comprises an end frame positioned at one axial end of the rotating shaft, and the driving wheel is arranged at the outer side of the end frame along the axial direction of the rotating shaft through the wheel shaft; And/or at least one of the first shafts is mounted on the corresponding shutter; And/or the transmission assembly further comprises a swinging rod, at least one first shaft is correspondingly provided with the swinging rod, one end of the swinging rod is connected with the first end of the connecting rod through the corresponding first shaft, and the other end of the swinging rod is fixedly connected with the corresponding rotating shaft and the opening and closing piece; When the base comprises the end frame and the first shaft is installed on the corresponding opening and closing piece, a guide groove coaxial with the rotating shaft is formed in the end frame corresponding to the first shaft, the first shaft penetrates through the guide groove and is connected with the first end of the connecting rod, and the first shaft is slidably and rotatably connected relative to the guide groove; When the base comprises the end frame and the transmission assembly comprises the swing rod, one end of the rotating shaft corresponding to the swing rod is fixedly connected with the opening and closing piece, and the other end of the rotating shaft penetrates through the end frame and is fixedly connected with the swing rod. Optionally, the driving wheel is coaxially provided with an arc guide groove extending along the circumferential direction, the arc guide groove is provided with a first groove end and a second groove end along the circumferential direction of the driving wheel, and the second end of the connecti