CN114771222A - Rocking arm guide rail connection structure - Google Patents

Rocking arm guide rail connection structure Download PDF

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Publication number
CN114771222A
CN114771222A CN202210232349.2A CN202210232349A CN114771222A CN 114771222 A CN114771222 A CN 114771222A CN 202210232349 A CN202210232349 A CN 202210232349A CN 114771222 A CN114771222 A CN 114771222A
Authority
CN
China
Prior art keywords
guide rail
rotating arm
rollers
roller
vehicle body
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.)
Pending
Application number
CN202210232349.2A
Other languages
Chinese (zh)
Inventor
赵红
周夏南
龙巍
欧阳青云
赖延文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Jingda Technology Co ltd
Original Assignee
Guangxi Jingda Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangxi Jingda Technology Co ltd filed Critical Guangxi Jingda Technology Co ltd
Priority to CN202210232349.2A priority Critical patent/CN114771222A/en
Publication of CN114771222A publication Critical patent/CN114771222A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/047—Doors arranged at the vehicle sides characterised by the opening or closing movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/0497—Doors arranged at the vehicle sides for load transporting vehicles or public transport, e.g. lorries, trucks, buses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/06—Doors arranged at the vehicle sides slidable; foldable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • B61D19/003—Door arrangements specially adapted for rail vehicles characterised by the movements of the door
    • B61D19/005—Door arrangements specially adapted for rail vehicles characterised by the movements of the door sliding
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/0621—Details, e.g. suspension or supporting guides
    • E05D15/066—Details, e.g. suspension or supporting guides for wings supported at the bottom
    • E05D15/0686—Tracks

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Support Devices For Sliding Doors (AREA)

Abstract

The invention discloses a rotating arm guide rail connecting structure which comprises a vehicle body, a vehicle door, a guide rail, a rotating arm and a rotating arm seat, wherein the guide rail is arranged on the inner surface of the vehicle door, the upper part and the lower part of a vehicle body door frame or the side wall of one side of the vehicle body door frame, the guide rail consists of a straight line section and a curved line section, the straight line section is arranged along the sliding direction of the door, the curved line section is connected to one end of the straight line section, one end of the rotating arm is restrained to be rotatably connected to the rotating arm seat, the other end of the rotating arm is provided with more than two rollers, the rollers rotate on roller shafts, the roller shafts are fixed on the rotating arm, and the rollers are restrained to roll on the guide rail. The structure of the invention does not need to arrange a middle guide rail on the side wall of the vehicle body on the passenger vehicle, and can also ensure that the sliding door can stably run when being opened or closed; or the structure can be applied to a non-load-bearing body bus, the side wall of the bus body is provided with the middle guide rail without damaging the section bar of the door frame framework, and the door is closed and opened by rotating the rotary arm to cross the door frame.

Description

Rocking arm guide rail connection structure
Technical Field
The invention relates to the field of mechanical structures, in particular to a rotating arm guide rail connecting structure.
Background
The sliding door of the automobile needs to slide out of the automobile body for a certain distance and then slide and move beside the automobile. For example, in the existing MPV vehicle sliding door structure, a guide rail is fixed from the inside of a vehicle body to the surface of the vehicle body, and a roller trolley is connected to the inner surface of a vehicle door and rolls in a guide rail sliding groove to realize that the vehicle door leaves the surface of the vehicle body and then slides to the side to open the door, so that the guide rail on the surface of the vehicle body is not attractive. However, the guide rail from the vehicle body to the surface of the vehicle body cannot be used for a vehicle body of a non-self-supporting structure such as a bus, and since the door frame of the non-self-supporting vehicle body of the bus is made of a profile, the door frame made of the profile must be broken when the guide rail is used and extends from the surface of the vehicle body into the vehicle body through the profile of the door frame, which is not allowed, and the strength of the door frame is damaged.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a rotating arm guide rail connecting structure which can be used on a passenger car and can also enable a sliding door to operate stably when being opened or closed without arranging an intermediate guide rail on the side wall of a car body; or the structure can be applied to a non-load-bearing body bus, the middle guide rail is arranged on the side wall of the bus body without damaging the section bar of the door frame framework, and the door is closed and opened by crossing the door frame through the rotation of the rotating arm.
The technical scheme adopted by the invention is as follows: the utility model provides a rocking arm guide rail connection structure, including automobile body, door, guide rail, rocking arm and rocking arm seat, the guide rail locate the internal surface of door, the upper portion of automobile body door frame, the side wall on lower part or automobile body door frame one side, the guide rail comprises straightway and curved section, the straightway sets up along the sliding direction of door, curved section connects in straightway one end, the restraint of one end of rocking arm is rotated and is connected on the rocking arm seat, the other end of rocking arm is equipped with more than two gyro wheels, the gyro wheel rotates on the gyro wheel axle, the gyro wheel axle is fixed on the rocking arm, the gyro wheel restraint rolls on the guide rail, when the straightway of gyro wheel restraint at the guide rail rolls, the rocking arm is established and is kept certain angle invariant with the automobile body, drive the rocking arm and rotate certain angle when the curved section of guide rail is rolled to the gyro wheel restraint, thereby drive the door and close or open.
Preferably, when the guide rail is in a bar shape, the rollers are constrained to roll on the guide rail, that is, one roller rolls on the inner side surface of the guide rail in an enveloping manner, the other rollers roll on the outer side surface of the guide rail in an enveloping manner, when the rollers on the inner side surface of the guide rail roll to a curved section, the rolling of the rollers is stopped at the curved section, and at least one roller on the outer side surface of the guide rail continuously rolls in an enveloping manner along the curved section, so as to drive the rotating arm to rotate.
Preferably, the inner and outer surfaces of the guide rail are concave or convex enveloping surfaces, and the corresponding enveloping surfaces of the roller are convex or concave surfaces.
Preferably, when the guide rail is in a groove shape, the roller includes two guide rollers and a bearing roller, roller shafts of the two guide rollers are connected to the rotating arm in a direction perpendicular to a horizontal plane of the vehicle body, the bearing roller is arranged between the two guide rollers, a roller shaft of the bearing roller is connected to the rotating arm in a direction parallel to the horizontal plane of the vehicle body, and the roller is constrained to roll on the guide rail, that is, the two guide rollers are constrained to roll in the groove, the bearing roller rolls on a bearing plate parallel to the horizontal plane of the vehicle body, a curved section of the guide rail is arranged in a U shape, when a previous guide roller moves from one end of the curved section of the U shape to the other end of the curved section of the U shape, the next guide roller is still in a straight section of the guide rail, and a connecting line between the two guide rollers rotates by a certain angle, thereby driving the rotating arm to rotate.
After the structure is adopted, the automobile door is driven to slide by matching with other driving mechanisms, when the door is closed, under the action of the driving mechanism, the roller fixed on the rotating arm is restrained to roll in the straight line section of the guide rail, at the moment, the rotating arm keeps a certain angle and is vertical to the automobile body, the distance between the automobile door and the automobile body is kept unchanged, the lateral straight line sliding is carried out, when the roller reaches the curve section of the guide rail, the roller is restrained to rotate in the curve section, the rotating arm is driven to rotate, and the sliding door is gradually close to the automobile body to realize the closing of the automobile door; on the contrary, when the door is opened, the roller is arranged on the curved section of the guide rail, the rotating arm is arranged in the vehicle body, under the action of the driving mechanism, the roller fixed on the rotating arm can only restrict the rotation of the curved section of the guide rail, the vehicle door is driven by the rotating arm to rotate out of the vehicle body, then the roller enters the straight section of the guide rail, the rotating arm keeps a certain angle (vertical to the vehicle body), the distance between the vehicle door and the vehicle body is always kept unchanged by one rotating arm, and the vehicle door slides linearly in the lateral direction, so that the vehicle door is opened. When the guide rail is arranged at the periphery of the body of the motor bus and the rotating arm seat is arranged on the door, the sliding door can be arranged by utilizing the characteristics of the technology without damaging the stressed section bar of the door frame framework of the body; the MPV car does not need to arrange a guide rail on the side wall outside the middle part of the car, and the sliding door is realized by adopting the structure of the technology and matching with other mechanisms; the curve section of the guide rail is designed into a U shape with smaller radius than the roller on the inner side, the occupied size of the curve of the guide rail of the MPV vehicle is reduced by two thirds compared with the arc shape adopted by the curve of the guide rail of the MPV vehicle, and because the rotating arm is unfolded when the door is closed, the length of the rotating arm can change the arrangement length of the guide rail in the door frame of the vehicle body, namely, the longer the length of the rotating arm is adopted, the shorter the length of the guide rail is, and vice versa. Therefore, the technical scheme is convenient to use when the guide rail is too long and is not easy to arrange on the vehicle body, and the length of the guide rail is replaced by the length of the rotating arm, so that the length of the guide rail is shortened, and the area of the vehicle body occupied by the guide rail is also reduced. The structure can reduce the outer side wall guide rails of the passenger car, and keeps the beauty of the periphery of the car body; for a passenger car with a non-bearing car body, because the height-width ratio of a car door is large, the difficulty in designing a sliding door is large, and mainly a middle guide rail is not easy to arrange.
Drawings
FIG. 1 is a block diagram of the guide rail of the present invention mounted on a vehicle door;
fig. 2 is a schematic view of the roller on the boom of fig. 1 rolling onto a curved section of the guide rail.
Fig. 3 is a schematic view of the rotation of the boom after the rollers on the boom have reached a curved section.
Fig. 4 is a schematic view of the door being closed by the rocker arm.
Fig. 5 is a schematic structural view (a groove-shaped guide rail for a motor coach) of the guide rail of the invention arranged at the side wall of one side of the coach body.
FIG. 6 is a schematic view of the linear section of the guide rail of the roller shown in FIG. 5 (door open)
In the figure, 1, a door frame, 2, a vehicle door, 3, a guide rail, 4, a rotating arm seat, 5, a roller, 6, a rotating arm, 7 and a driving mechanism.
Detailed Description
The invention is described in detail below with reference to the figures and specific examples.
As shown in fig. 1 to 6, the boom guide connection structure of the present invention includes a vehicle body, a door 2, a guide rail 3, a boom 6 and a boom base 4, and the movement of the door 2 is realized by the present technology in conjunction with a driving mechanism 7, according to the arrangement of the guide rail 3, the following several embodiments are provided.
Example 1: the inner surface of the vehicle door is provided with a rod-shaped guide rail
In the embodiment, as shown in fig. 1-4, a guide rail 3 arranged on the inner surface of a vehicle door 2 is in a rod shape, the cross section of the guide rail 3 is circular, namely, a convex arc surface, a straight line section of the guide rail 3 is parallel to the inner surface of the vehicle door 2, a curve section is connected to one end of the straight line section close to an edge door frame and is bent towards the vehicle door 2, a rotating arm seat 4 is arranged on the inner wall of the edge door frame of a vehicle body, corresponding to the horizontal plane, of the guide rail 3, a rotating arm 6 is in an L shape, the long edge of the rotating arm 6 is rotatably connected to the rotating arm seat 4 and is limited by a side frame of the door frame 1 of the vehicle body, three rollers 5 are arranged, the rollers 5 rotate on roller shafts, the rollers 5 are fixed on the short edge of the rotating arm through roller shafts, the rollers 5 are constrained on the guide rail 3 through circular arc surface envelopes, the guide rail 3 has inner and outer side surfaces, the two rollers 5 are wrapped on one side surface, namely, with a large bending radius, namely, of the outer side surface of the bending section of the guide rail 3 in a rolling envelope manner, the other roller 5 is arranged on the opposite side, namely the inner side, when the roller 5 is restricted in the straight line section of the guide rail 3 to roll, all the rollers 5 on the inner side and the outer side roll on the inner side and the outer side of the guide rail 3 in an enveloping way, the rotating arm 6 is erected to keep a certain distance and an angle with the vehicle body unchanged, when the roller 5 on the inner side of the guide rail 3 rolls to a curve section, the roller 5 does not roll because the curve of the curve section of the guide rail 3 is the same as the radius of the roller on the inner side, the roller 5 is stopped, and at least one roller 5 on the outer side of the guide rail 3 rolls in an enveloping way to drive the rotating arm 6 to rotate, thereby driving the vehicle door 2 to close or open. The length of the long side of the rotating arm 6 determines the distance between the vehicle door 2 and the vehicle body when the vehicle door is opened, and because the roller 5 is enveloped and restrained on the guide rail 3 to roll, a part of the weight of the vehicle door 2 is transmitted to the vehicle body by the roller 5 through the rotating arm 6 and the rotating arm seat 4, and the roller 5 is both guided and bears the weight. Racks can be arranged on the outer side faces of the guide rails 3, gears are arranged on the outer side faces, and driving can be achieved by transmitting power through the racks and the gears.
Example 2: the groove-shaped guide rail is embedded on the surface of the outer side wall of the vehicle body
The guide rail 3 in this embodiment is groove-shaped, the structure is shown in fig. 5 and fig. 6, the side wall surface of the side of the opening direction of the vehicle body is arranged, the guide rail 3 is embedded on the side wall surface of the vehicle body at any height of the vehicle door 2 along the opening direction of the vehicle door 2, the straight line section of the guide rail 3 is parallel to the length of the vehicle body, the curve section is close to the framework of the vertical section of the door frame of the vehicle body, and the curve section is bent towards the horizontal direction in the vehicle body, the rotating arm seat 4 is arranged on the vehicle door 2 of the guide rail 3 corresponding to the horizontal plane, the long edge of the L-shaped rotating arm 6 is rotatably connected to the rotating arm seat 4, one end of the short edge of the rotating arm 6 is provided with three rollers 5, two guide rollers and one bearing roller, the roller shafts of the two guide rollers are connected with the short edge of the rotating arm 6 in the direction vertical to the horizontal plane of the vehicle body, the bearing roller is arranged between the two guide rollers, the roller shafts of the bearing roller are connected to the rotating arm 6 in the direction parallel to the horizontal plane of the vehicle body, the two guide rollers are constrained in the groove guide rail 3 to roll and guide, the bearing rollers roll on a bearing plate parallel to the horizontal plane of the vehicle body, when the rollers 5 roll on the straight line section of the guide rail, the rotating arm 6 keeps a certain angle and the long edge of the rotating arm 6 stands up to enable the vehicle door 2 to move away from the vehicle body in parallel, the roller group rolls to the curve section of the guide rail, the curve of the curve section of the guide rail 3 is set to be U-shaped, when the former guide roller moves from one end of the U-shaped curve section of the guide rail to the other end of the U-shaped curve section, the latter guide roller is still in the straight line section of the guide rail, the connecting line between the two guide rollers rotates by a certain angle, actually 90 degrees, and therefore, the rotating arm is driven to rotate by 90 degrees, and the opening and closing of the vehicle door 2 are realized. And the length of the long edge of the L-shaped rotating arm is set to be capable of striding over a stress framework of a vertical section bar of the vehicle body door frame without damaging the strength of the stress framework to realize the arrangement of a guide rail of the sliding door, so that the structure and the arrangement not only realize the design of the sliding door of the large vehicle door, but also do not damage the framework of the vertical section bar of the vehicle body door frame, ensure the strength of the door frame of the non-bearing type passenger vehicle body, and also ensure the frequent running stability of the large sliding door. The length of the swivel arm 6 is designed by considering both the width of the vertical section frame crossing the door frame of the vehicle body and the distance between the vehicle door and the vehicle body when the vehicle door is opened. In this embodiment, the track of the driving mechanism 7 is arranged above or below the door frame of the vehicle body, and the driving mechanism 7 is matched to realize the outward sliding opening and closing of the vehicle door 2.
Example 3: arranging groove-shaped guide rails on or/and under door frame of vehicle body
The guide rail 3 in this embodiment is groove-shaped, and has a structure as shown in fig. 5 and 6, the guide rail 3 is arranged on the vehicle body above and below the door frame of the vehicle body, the straight line section of the guide rail 3 is parallel to the length of the vehicle body, and the curve section is bent towards the horizontal direction in the vehicle body, the rotating arm seat 4 is arranged on the vehicle door corresponding to the horizontal plane of the guide rail, the rotating arm 6 can be L-shaped or T-shaped, the long side of the rotating arm 6 is rotatably connected on the rotating arm seat, one end of the short side of the rotating arm 6 is provided with three rollers, two guide rollers and one bearing roller, the roller shafts of the two guide rollers are connected on the short side of the L-shaped or T-shaped guide roller 6 at 90 degrees to the length direction of the rotating arm in the direction vertical to the horizontal plane of the vehicle body, the bearing roller is arranged between the two guide rollers, the roller shafts of the bearing roller are connected on the rotating arm 6 in the direction parallel to the horizontal plane of the vehicle body, the two guide rollers are restrained in the groove for rolling and guiding, the bearing roller rolls on a bearing plate parallel to the horizontal plane of the vehicle body, when the roller rolls on the straight line section of the guide rail, the rotating arm 6 stands to keep a certain angle unchanged, so that the vehicle door 2 leaves the vehicle body to move in parallel, when the roller group rolls to the curve section of the guide rail, the curve section of the guide rail 3 is set to be U-shaped, when the former guide roller moves from one end of the U-shaped curve section of the guide rail to the other end of the U-shaped curve section, the latter guide roller is still in the straight line section of the guide rail, and the connecting line between the two guide rollers rotates by a certain angle, actually 90 degrees, so that the rotating arm 6 is driven to rotate, and the rotating arm is also driven to rotate by 90 degrees, thereby realizing the opening and closing of the vehicle door 2. And the length of the long edge of the rotating arm can change the length of the guide rail arranged in the door frame, so that the length of the rotating arm can be conveniently replaced when the length of the guide rail is not easy to arrange on the vehicle body, and the length of the guide rail is shortened. And because the curve section of the guide rail is designed into a smaller U shape, the size occupied by the curve section of the guide rail of the MPV vehicle is reduced by two thirds compared with the existing curve section of the guide rail of the MPV vehicle adopting an arc shape. The area of the vehicle body occupied by the guide rail is also reduced. In this embodiment, the track of the driving mechanism is arranged above or below the door frame of the vehicle body, and is matched with other mechanisms to realize the outward sliding opening and closing of the vehicle door.
Example 4: arranging rod-shaped guide rail on or/and under door frame of vehicle body
Referring to embodiments 1 and 3, a rod-shaped guide rail 3 may be disposed on or/and under a door frame of a vehicle body, and a rocker arm and a rocker base may be disposed on a vehicle door 2.
Example 5: the inner surface of the vehicle door 2 is provided with a groove-shaped guide rail 3
Referring to embodiments 1 and 3, a recessed guide rail may be provided on the inner surface of the door, and a pivot arm seat may be provided on the door frame of the vehicle body.
Example 6: the car body and the car door are both provided with guide rails
In this embodiment, there are various combinations, and the upper and lower guide rail structures of the MPV sliding door, which are referred to as the first technology, and the guide rail structure of the MPV sliding door, which is referred to as the second technology, may be combined with the above examples 1, 2, 3, 4, and 5 and other implementation manners of the present invention to obtain various sliding door sliding and opening and closing mechanical structures. The following examples are given.
a, three guide rails are arranged, the first guide rail and the third guide rail respectively adopt the groove-shaped guide rail in embodiment 3, the guide rails are arranged in the automobile body at the upper part and the lower part of the automobile body door frame, the second guide rail adopts the rod-shaped guide rail in embodiment 1, and the guide rails are arranged on the inner surface of the automobile door.
b sets up three guide rail, and first guide rail and third guide rail adopt the structure of technique one respectively, locate in the upper portion and the lower part of automobile body door frame, and the second guide rail adopts embodiment 2: the groove-shaped guide rail is embedded on the surface of the outer side wall of the vehicle body, so that the combination has the advantage that the sliding door can be designed aiming at a non-bearing vehicle body without damaging a stressed framework.
c three guide rails are arranged, and the first guide rail and the third guide rail respectively adopt embodiment 3: the groove-shaped guide rail is arranged on or/and under the door frame of the vehicle body or the embodiment 4 is adopted: a rod-shaped guide rail is arranged below or above a door frame of a vehicle body, and the second guide rail adopts embodiment 2: the groove-shaped guide rail is embedded in the outer side surface of the vehicle body, so that the combination has the advantages that the design of the sliding door aiming at the non-bearing vehicle body can be possible without damaging a stressed framework, and the occupied area of the vehicle body can be greatly reduced when the guide rail is arranged on or below a door frame of the vehicle body.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by this patent.

Claims (4)

1. A rocking arm guide rail connection structure which characterized in that: the guide rail is arranged on the inner surface of the vehicle door, the upper part and the lower part of a door frame of the vehicle body or the side wall of one side of the door frame of the vehicle body, the guide rail consists of a straight line section and a curve section, the straight line section is arranged along the sliding direction of the door, the curve section is connected to one end of the straight line section, one end of the rotating arm is restrained to be rotatably connected to the rotating arm seat, more than two rollers are arranged at the other end of the rotating arm, the rollers are rotated on roller shafts, the roller shafts are fixed on the rotating arm, the rollers are restrained to roll on the guide rail, when the rollers are restrained to roll on the straight line section of the guide rail, the rotating arm is erected to keep a certain angle with the vehicle body, and when the rollers are restrained to roll to the curve section of the guide rail, the rotating arm is driven to rotate by a certain angle, so that the vehicle door is driven to be closed or opened.
2. A boom rail attachment structure according to claim 1, wherein: when the guide rail is in a rod shape, the rollers are constrained on the guide rail to roll, namely, one roller rolls on the inner side surface of the guide rail in an enveloping way, the other rollers roll on the outer side surface of the guide rail in an enveloping way, when the rollers on the inner side surface of the guide rail roll to a curve section, the rolling of the rollers is stopped at the curve section, and at least one roller on the outer side surface of the guide rail continuously rolls in an enveloping way along the curve section, so that the rotating arm is driven to rotate.
3. A boom rail attachment structure according to claim 2, wherein: the inner and outer side surfaces of the guide rail are concave or convex enveloping surfaces, and the corresponding enveloping surfaces of the roller are convex or concave surfaces.
4. A boom rail attachment structure according to claim 1, wherein: when the guide rail is in a groove shape, the roller comprises two guide rollers and a bearing roller, roller shafts of the two guide rollers are connected to the rotating arm in the direction vertical to the horizontal plane of the vehicle body, the bearing roller is arranged between the two guide rollers, the roller shaft of the bearing roller is connected to the rotating arm in the direction parallel to the horizontal plane of the vehicle body, the roller is constrained to roll on the guide rail, namely, the two guide rollers are constrained to roll in the groove, the bearing roller rolls on a bearing plate parallel to the horizontal plane of the vehicle body, the curve section of the guide rail is set to be in a U shape, when the previous guide roller moves from one end of the U-shaped curve section to the other end of the U-shaped curve section, the next guide roller is still in the straight line section of the guide rail, and the connecting line between the two guide rollers rotates by a certain angle, so that the rotating arm is driven to rotate.
CN202210232349.2A 2022-03-10 2022-03-10 Rocking arm guide rail connection structure Pending CN114771222A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210232349.2A CN114771222A (en) 2022-03-10 2022-03-10 Rocking arm guide rail connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210232349.2A CN114771222A (en) 2022-03-10 2022-03-10 Rocking arm guide rail connection structure

Publications (1)

Publication Number Publication Date
CN114771222A true CN114771222A (en) 2022-07-22

Family

ID=82423018

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210232349.2A Pending CN114771222A (en) 2022-03-10 2022-03-10 Rocking arm guide rail connection structure

Country Status (1)

Country Link
CN (1) CN114771222A (en)

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