CN213510102U

CN213510102U - Pneumatic outer swing door balance mechanism

Info

Publication number: CN213510102U
Application number: CN202022067554.7U
Authority: CN
Inventors: 吴海平; 罗勇; 张葛林; 游俊杰; 徐启江; 李丰灏; 张超
Original assignee: Jiangxi B Energy Shangrao Coach Co Ltd
Current assignee: Jiangxi B Energy Shangrao Coach Co Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-22
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a pneumatic outer swing door balance mechanism, including door, balancing pole and rocking arm, the inboard fixedly connected with first base of door, be provided with the fixing base on the automobile body was marked time, the both ends of balancing pole articulate respectively on first base and the fixing base, the lower part of fixing base is provided with ultrasonic sensor, the both ends of rocking arm are connected respectively on the output shaft of second base and door pump, be provided with locking mechanism on the output shaft of door pump, the downside of door pump is provided with buffer; the ultrasonic sensor and the door pump are electrically connected with the control device. The utility model discloses material simple structure has improved the environment by bus, when having dodged the switching of the door body with the interference of automobile body, the security when improving the door switching simultaneously has hidden the balancing pole, improves the whole aesthetic property of passenger train, and the design commonality is wider, easily realizes.

Description

Pneumatic outer swing door balance mechanism

Technical Field

The utility model relates to a pneumatic outer swing door technical field especially relates to a pneumatic outer swing door balance mechanism.

Background

At present, the pneumatic swing door mainly takes a front balancing rod mechanism below a first step as a main part, and part of the vehicle types are rear balancing rod mechanisms below the first step. The prior art has the following defects: 1. the front balancing rod mechanism below the first step of the front passenger door can limit the front inclination angle of the passenger car, and the mounting support of the balancing rod is easy to collide under the road condition with larger gradient; 2. when a mechanism such as a telescopic step and the like needs to be installed below the middle passenger door step, the design of the lower balance rod is limited, and the installation and the maintenance are troublesome; 3. the balance rod below the step can be exposed out of the door body, and the appearance of the whole vehicle is affected. In addition, when the outer swing is opened to the maximum, the vehicle door is in rigid contact with the vehicle body, so that vibration and noise can be generated, and the riding comfort is influenced; passengers can be injured by clamping when the car door is closed, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pneumatic outer swing door balance mechanism, the solution balancing pole erection support easily hits, and the balancing pole installation overhauls inconveniently, influences whole car outward appearance, and the noise is big when the door is opened, probably presss from both sides the problem of hindering the passenger when the door is closed.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a pneumatic outer swing door balance mechanism, including door, balancing pole and rocking arm, the door is inside to be provided with the automobile body and to mark time, the inboard fixedly connected with first base of door, be provided with the fixing base on the automobile body marks time, the both ends of balancing pole articulate respectively on first base and the fixing base, the lower part of fixing base is provided with ultrasonic sensor, the left side of first base is provided with the second base, be provided with the door pump on the lateral wall that the automobile body was marked time, the top of door pump is provided with the door pump cover, the both ends of rocking arm are connected respectively on the second base with the output shaft of door pump, be provided with locking mechanism on the output shaft of door pump, the downside of door pump is provided with buffer; the ultrasonic sensor and the door pump are electrically connected with the control device.

Furthermore, the balance rod is S-shaped, the rotating arm is L-shaped, one end of the rotating arm is hinged to the output shaft of the door pump through a spline, and the other end of the rotating arm is hinged to the second base.

Still further, locking mechanism includes locking gear, pneumatic cylinder and locking piece, locking gear passes through the spline to be fixed on the output shaft of door pump, the pneumatic cylinder passes through the support frame to be installed the top of door pump, the locking piece with the piston rod fixed connection of pneumatic cylinder, the locking piece is in the drive of piston rod moves down, the locking piece stretches into the locking gear tooth inslot locking is spacing, the pneumatic cylinder with the controlling means electricity is connected.

Still further, the buffer device comprises a guide sleeve, the guide sleeve is fixed on the side wall of the car body step, the guide sleeve is located below the door pump, a spring is arranged in the guide sleeve, a guide pillar is arranged at one end of the spring, and a rubber block is arranged at one end, far away from the spring, of the guide pillar.

Still further, the fixing base setting is reserved on first marking time simultaneously and is trampled the region, the top of fixing base is provided with decorates the cover.

Still further, the fixing seat is arranged in the second step.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to a pneumatic outer swing door balance mechanism, which comprises a vehicle door, a balance rod, a rotating arm, a door pump, an ultrasonic sensor, a locking mechanism, a buffer device and a control device, and avoids the interference with the vehicle body when the door body is opened and closed through the S-shaped design of the balance rod; by arranging the ultrasonic sensor and the locking mechanism, the surrounding conditions of the vehicle door can be detected firstly in the process of opening and closing the vehicle door, so that the safety protection of the vehicle door and passengers is realized better; by arranging the buffer device, the balancing rod is in contact with the rubber block when rotating to the limit position, the rubber block is matched with the guide pillar and the spring to absorb the kinetic energy of the balancing rod, so that the shock absorption and buffering effects are achieved, the rigid contact between the vehicle door and a vehicle body when the vehicle door swings outwards and is opened to the maximum is avoided, and a quiet and comfortable environment is created for passengers to get on or off the vehicle; the balance rod is arranged above the first step by changing the mounting height of the balance rod, so that a space below the step is reserved, the structures such as a telescopic step and the like are convenient to mount, and the front balance rod support is prevented from being collided by a high-gradient road surface; the utility model discloses material structure is simple, and the design commonality is wider, easily realizes, conceals the balancing pole, improves the whole aesthetic property of passenger train, security when improving the door switching simultaneously.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic structural view of the balance mechanism of the pneumatic outward swinging door of the present invention;

FIG. 2 is a schematic structural view of the locking mechanism of the present invention;

FIG. 3 is a schematic view of the buffering device of the present invention;

description of reference numerals: 1. a vehicle door; 2. a balancing pole; 3. a door pump; 4. a first base; 5. a decorative cover; 6. a buffer device; 61. a guide sleeve; 62. a spring; 63. a guide post; 64. a rubber block; 7. an ultrasonic sensor; 8. a lock gear; 9. a hydraulic cylinder; 10. a locking block; 11. a fixed seat; 12. a second base; 13. a rotating arm; 14. a door pump cover.

Detailed Description

As shown in fig. 1-3, a pneumatic outward swinging door balancing mechanism comprises a vehicle door 1, a balancing rod 2 and a rotating arm 13, wherein a vehicle body step is arranged inside the vehicle door 1, a first base 4 is fixedly connected to the inner side of the vehicle door 1, a fixed base 11 is arranged on the vehicle body step, two ends of the balancing rod 2 are respectively hinged to the first base 4 and the fixed base 11, an ultrasonic sensor 7 is arranged at the lower part of the fixed base 11, a second base 12 is arranged at the left side of the first base 4, a door pump 3 is arranged on the side wall of the vehicle body step, a door pump cover 14 is arranged above the door pump 3, two ends of the rotating arm 13 are respectively connected to the second base 12 and an output shaft of the door pump 3, a locking mechanism is arranged on the output shaft of the door pump 3, and a buffer device 6 is arranged at the lower side of the door pump 3; the ultrasonic sensor 7 and the door pump 3 are both electrically connected with the control device; the door pump 3 and the locking mechanism are hidden by the door pump cover 14, so that the overall appearance is improved.

Specifically, the balance rod 2 is S-shaped, so that interference between the balance rod and a vehicle body when the door body is opened and closed is avoided; the rotating arm 13 is in an L shape, one end of the rotating arm 13 is hinged to the output shaft of the door pump 3 through a spline, and the other end of the rotating arm 13 is hinged to the second base 12.

As shown in fig. 2, the locking mechanism includes a locking gear 8, a hydraulic cylinder 9 and a lock block 10, the locking gear 8 is fixed on the output shaft of the door pump 3 through a spline, the hydraulic cylinder 9 is installed above the door pump 3 through a support frame, the lock block 10 is fixedly connected with a piston rod of the hydraulic cylinder 9, the lock block 10 moves under the driving of the piston rod, the lock block 10 extends into a tooth groove of the locking gear 8 to be locked and limited, and the hydraulic cylinder 9 is electrically connected with the control device; through setting up locking mechanism, can open at the door and the in-process of closing at first detect the door situation around, better realization is to door and passenger's safety protection.

As shown in fig. 3, the buffer device 6 includes a guide sleeve 61, the guide sleeve 61 is fixed on the side wall of the car body step, the guide sleeve 6 is located below the door pump 3, a spring 62 is hung in the guide sleeve 61, one end of the spring 62 is hung with a guide post 63, and one end of the guide post 63 away from the spring 62 is provided with a rubber block 64; through the arrangement of the buffer device 6, when the vehicle door 1 is completely opened, the rotating arm 13 contacts the rubber block 64, and the rubber block 64 is matched with the guide post 63 and the spring 62 to absorb the kinetic energy of the rotating arm 13, so that the shock absorption and buffering effects are achieved, the rigid contact between the vehicle door and a vehicle body when the vehicle door swings outwards and is opened to the maximum is avoided, and a quiet and comfortable environment is created for passengers to get on or off the vehicle.

The fixing seat 11 is arranged on the first step, a stepping area is reserved at the same time, the decorative cover 5 is arranged above the fixing seat 11, and the fixing seat 11 is arranged in the second step; the balance rod is arranged above the first step by changing the mounting height of the balance rod, so that a space below the step is reserved, the structures such as a telescopic step and the like are convenient to mount, and the front balance rod support is prevented from being collided by a high-gradient road surface; the balance rod is hidden, and the overall attractiveness of the passenger car is improved.

The utility model discloses a use as follows:

firstly, in the process of opening the vehicle door, in the first step, the ultrasonic sensor 7 detects the vehicle door and sends a signal to the control device when detecting that no passenger is near the vehicle door 1; step two, after receiving the signal, the control device sends a contraction working signal to the hydraulic cylinder 9, a piston rod of the hydraulic cylinder 9 drives the locking block 10 to longitudinally contract, and the locking block 10 is separated from a tooth groove of the locking gear 8; step three, the control device starts the door pump 3, the door pump 3 rotates forwards to drive the rotating arm 13 to rotate, the vehicle door 1 is opened, the vehicle door 1 moves from a closed state at a position A to a fully opened state at a position B, the rotating arm 13 is contacted with the rubber block 64 when the vehicle door 1 is opened to a maximum position B, and at the moment, the control device sends a signal to stop the operation of the door pump 3; and step four, the control device sends an extension working signal to the hydraulic cylinder 9, a piston rod of the hydraulic cylinder 9 drives the locking block 10 to longitudinally extend out, and the locking block 10 extends into a tooth groove of the locking gear 8 to be locked and limited, so that a rotating shaft of the door pump 3 is locked, and the opening angle of the vehicle door 1 is ensured.

In the closing process of the vehicle door, in the first step, the ultrasonic sensor 7 detects that no passenger is near the vehicle door 1, and sends a signal to the control device; step two, after receiving the signal, the control device sends a contraction working signal to the hydraulic cylinder 9, a piston rod of the hydraulic cylinder 9 drives the locking block 10 to longitudinally contract, and the locking block 10 is separated from a tooth groove of the locking gear 8; step three, the control device starts the door pump 3, the door pump 3 rotates reversely to drive the rotating arm 13 to rotate, and the vehicle door 1 is closed; and step four, the control device sends an extension working signal to the hydraulic cylinder 9, a piston rod of the hydraulic cylinder 9 drives the locking block 10 to longitudinally extend out, and the locking block 10 extends into a tooth groove of the locking gear 8 to be locked and limited, so that a rotating shaft of the door pump 3 is locked, and the closing process of the vehicle door 1 is completed.

The utility model discloses in ultrasonic sensor, controlling means, pneumatic cylinder and circuit connection that relate to all belong to prior art, no longer detail here.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a pneumatic outward swinging door balance mechanism which characterized in that: the automobile door comprises an automobile door (1), a balance rod (2) and a rotating arm (13), wherein an automobile body step is arranged inside the automobile door (1), a first base (4) is fixedly connected to the inner side of the automobile door (1), a fixing base (11) is arranged on the automobile body step, the two ends of the balance rod (2) are hinged to the first base (4) and the fixing base (11) respectively, an ultrasonic sensor (7) is arranged on the lower portion of the fixing base (11), a second base (12) is arranged on the left side of the first base (4), a door pump (3) is arranged on the side wall of the automobile body step, a door pump cover (14) is arranged above the door pump (3), the two ends of the rotating arm (13) are connected to the second base (12) and the output shaft of the door pump (3) respectively, and a locking mechanism is arranged on the output shaft of the door pump (3), a buffer device (6) is arranged on the lower side of the door pump (3); the ultrasonic door pump is characterized by further comprising a control device, wherein the ultrasonic sensor (7) and the door pump (3) are electrically connected with the control device.

2. The pneumatic tilt-out door counterbalance mechanism of claim 1, wherein: the balance rod (2) is S-shaped, the rotating arm (13) is L-shaped, one end of the rotating arm (13) is hinged to an output shaft of the door pump (3) through a spline, and the other end of the rotating arm (13) is hinged to the second base (12).

3. The pneumatic tilt-out door counterbalance mechanism of claim 1, wherein: locking mechanism includes locking gear (8), pneumatic cylinder (9) and locking piece (10), locking gear (8) are fixed through the spline on the output shaft of door pump (3), pneumatic cylinder (9) are installed through the support frame the top of door pump (3), locking piece (10) with the piston rod fixed connection of pneumatic cylinder (9), locking piece (10) are in the drive of piston rod moves down, locking piece (10) stretch into it is spacing to lock in the tooth's socket of locking gear (8), pneumatic cylinder (9) with controlling means electricity is connected.

4. The pneumatic tilt-out door counterbalance mechanism of claim 1, wherein: the buffer device (6) comprises a guide sleeve (61), the guide sleeve (61) is fixed on the side wall of the car body step, the guide sleeve (61) is located below the door pump (3), a spring (62) is arranged in the guide sleeve (61), one end of the spring (62) is provided with a guide pillar (63), and one end, far away from the spring (62), of the guide pillar (63) is provided with a rubber block (64).

5. The pneumatic tilt-out door counterbalance mechanism of claim 1, wherein: fixing base (11) set up and reserve simultaneously on first marking time and trample the region, the top of fixing base (11) is provided with decorates cover (5).

6. The pneumatic tilt-out door counterbalance mechanism of claim 1, wherein: the fixed seat (11) is arranged in the second step.