CN109930935B

CN109930935B - Special vehicle cabin door composite opening and closing device

Info

Publication number: CN109930935B
Application number: CN201910266713.5A
Authority: CN
Inventors: 吴丁汀; 张涵; 周中锋; 谢龙林; 杨丽湘; 樊小舟; 蔡虹; 尹申辉; 刘国忠
Original assignee: Jianglu Machinery and Electronics Group Co Ltd
Current assignee: Jianglu Machinery and Electronics Group Co Ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-06-16
Anticipated expiration: 2039-04-03
Also published as: CN109930935A

Abstract

The invention discloses a special vehicle cabin door composite opening and closing device, which comprises a vehicle body and a cabin door, wherein the cabin door covers an opening of the vehicle body, one end of the cabin door is connected with the vehicle body through a lifting rotating mechanism, and the other end of the cabin door is connected with the vehicle body through a rotating shaft rotating mechanism; the lifting rotating mechanism comprises a sleeve, a lower sliding sleeve, an upper sliding sleeve and a mandrel, the sleeve is arranged on the vehicle body in a penetrating mode, the lower sliding sleeve is fixedly arranged at the lower end in the sleeve, the upper sliding sleeve is arranged at the upper end in the sleeve, the lower end of the mandrel penetrates through the lower sliding sleeve, and the upper end of the mandrel extends into the upper sliding sleeve; the side surface of the upper sliding sleeve is provided with a 7-shaped through hole, and the core shaft is provided with a locking screw matched with the core shaft; the lower end of the upper sliding sleeve is provided with a bulge, and the upper end of the lower sliding sleeve is provided with a groove and an inclined plane; the rotating shaft rotating mechanism comprises a handle, a rotating shaft and a lock tongue, the handle is connected with one end of the rotating shaft, and the other end of the rotating shaft is connected with the lock tongue. The invention aims to provide a composite opening and closing device for a special vehicle cabin door, which can realize the purpose that the cabin door can be quickly opened in a very limited space.

Description

Special vehicle cabin door composite opening and closing device

Technical Field

The invention belongs to the technical field of special equipment, and particularly relates to a composite opening and closing device for a special vehicle cabin door.

Background

At present, the opening of the cabin door of a common special vehicle is generally in two door opening modes of rotation or turnover, the lifting height of the general door cover of a rotary opening mechanism is limited, the rotation time of a handle is long, and the use requirement cannot be met when the appearance angle of a vehicle body is special; however, the door opening by turning is large in required opening angle, and occupies a large moving space, so that the door opening by turning is not suitable for being adopted when the vehicle is compactly arranged, and further research is necessary.

Disclosure of Invention

The invention aims to solve the problems and provides a composite opening and closing device for a special vehicle cabin door, which can realize quick opening of the cabin door under the working condition that the activity space of the cabin door is extremely limited, is simple and convenient to operate and has good integrity of the cabin door and a vehicle body.

In order to realize the purpose, the invention adopts the technical scheme that: a composite opening and closing device for special vehicle cabin doors comprises a vehicle body and cabin doors, wherein the cabin doors are covered at an opening of the vehicle body, one end of each cabin door is connected with the vehicle body through a lifting rotating mechanism, and the other end of each cabin door is connected with the vehicle body through a rotating shaft rotating mechanism; the lifting rotating mechanism comprises a sleeve, a lower sliding sleeve, an upper sliding sleeve and a mandrel, the sleeve is arranged on the vehicle body in a penetrating mode, the lower sliding sleeve is fixedly arranged at the lower end in the sleeve, the upper sliding sleeve is movably arranged at the upper end in the sleeve, the lower end of the mandrel penetrates through the lower sliding sleeve, and the upper end of the mandrel extends into the upper sliding sleeve; the side surface of the upper sliding sleeve is provided with a 7-shaped through hole, and the core shaft is provided with a locking screw matched with the core shaft; the lower end of the upper sliding sleeve is provided with a bulge, and the upper end of the lower sliding sleeve is provided with a groove and an inclined plane which are matched with the lower sliding sleeve; a jacking spring is arranged between the upper sliding sleeve and the mandrel; the rotating shaft rotating mechanism comprises a handle, a rotating shaft and a lock tongue, the handle is arranged on the inner side of the vehicle body and connected with one end of the rotating shaft, and the other end of the rotating shaft penetrates through the outer side of the vehicle body and then is connected with the lock tongue.

Furthermore, a straight handle is arranged at the lower end of the mandrel.

Furthermore, an external locking mechanism is further arranged on the cabin door and comprises a bolt and a locking spring, the front end of the bolt penetrates through the cabin door to be in contact with the automobile body, and the locking spring is sleeved on the outer circumference of the bolt and enables the bolt to tightly press the pin hole in the automobile body.

Furthermore, the mandrel is in transmission connection with the lower sliding sleeve through a bearing.

The invention has the beneficial effects that: the opening and closing device can meet the requirement that the cabin door can be quickly opened under the working condition that the moving space is extremely limited, is simple and convenient to operate, and has good integrity with the vehicle body.

1. The opening and closing device integrates two actions of longitudinal lifting and rotary opening, so that the whole cabin door opening process occupies small moving space, and the device is suitable for the requirements of compact and efficient arrangement of special vehicles.

2. The opening and closing device adopts mechanisms such as a spring, a sleeve inclined plane and the like, is simple and convenient to operate, and reduces the labor time for opening the cabin door.

3. The external pressing device has a self-locking function, so that the external pressing device is prevented from being loosened when the external part of the vehicle is accidentally touched, and the reliability of the cabin door is improved.

4. In the invention, the door cover and the cockpit body form a whole in a closed state, and the appearance is invisible and the protection effect is good.

5. In the design of the opening and closing device, the rising height and the unscrewing angle of the cabin door can be adjusted according to different vehicle requirements, and the requirement of diversified installation is met.

Drawings

Fig. 1 is a schematic front view of the present invention.

FIG. 2 is a schematic view of the structure of FIG. 1 in the direction of A.

FIG. 3 is a schematic cross-sectional view of the structure of B-B in FIG. 2 according to the present invention.

Fig. 4 is a schematic top view of the external locking mechanism of the present invention.

FIG. 5 is a schematic cross-sectional view of the structure of FIG. 4 taken along line C-C according to the present invention.

Fig. 6 is a schematic front view of the lifting and rotating mechanism shown in fig. 1.

FIG. 7 is a schematic view of the structure of FIG. 6 in the direction D according to the present invention.

Fig. 8 is a structural schematic diagram of the lifting and rotating mechanism in fig. 6 in a balanced state according to the present invention.

Fig. 9 is a schematic structural view of the lifting and rotating mechanism in fig. 6 in a lifting state according to the present invention.

The text labels in the figures are represented as: 1. a vehicle body; 2. a cabin door; 3. a lifting and rotating mechanism; 31. a sleeve; 32. a lower sliding sleeve; 33. an upper sliding sleeve; 34. a mandrel; 35. a 7-shaped through hole; 36. locking the screw; 37. a protrusion; 38. a groove; 39. a bevel; 40. the spring is tightly propped; 4. a rotating shaft rotating mechanism; 41. a handle; 42. a rotating shaft; 43. a latch bolt; 5. an external locking mechanism; 51. a bolt; 52. a locking spring; 53. a pin hole.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 to 9, the specific structure of the present invention is: a composite opening and closing device for special vehicle cabin doors comprises a vehicle body 1 and cabin doors 2, wherein the cabin doors 2 cover an opening of the vehicle body 1, one end of each cabin door is connected with the vehicle body 1 through a lifting rotating mechanism 3, and the other end of each cabin door is connected with the vehicle body 1 through a rotating shaft rotating mechanism 4; the lifting and rotating mechanism 3 comprises a sleeve 31, a lower sliding sleeve 32, an upper sliding sleeve 33 and a mandrel 34, the sleeve 31 is arranged on the vehicle body 1 in a penetrating manner, the lower sliding sleeve 32 is fixedly arranged at the inner lower end of the sleeve 31, the upper sliding sleeve 33 is movably arranged at the inner upper end of the sleeve 31 and fixedly connected with the cabin door 2, the lower end of the mandrel 34 penetrates through the lower sliding sleeve 32, and the upper end of the mandrel extends into the upper sliding sleeve 33; the side surface of the upper sliding sleeve 33 is provided with a 7-shaped through hole 35, and the core shaft 34 is provided with a locking screw 36 matched with the core shaft; the lower end of the upper sliding sleeve 33 is provided with a bulge 37, and the upper end of the lower sliding sleeve 32 is provided with a groove 38 and an inclined plane 39 which are matched with the upper sliding sleeve; a jacking spring 40 is arranged between the inside of the upper sliding sleeve 33 and the mandrel 34; the rotating shaft rotating mechanism 4 comprises a handle 41, a rotating shaft 42 and a bolt 43, wherein the handle 41 is arranged on the inner side of the car body 1 and is connected with one end of the rotating shaft 42, the other end of the rotating shaft 42 penetrates through the outer back of the car body 1 to be connected with the bolt 43, the handle 41 is rotated, the bolt 43 is driven to rotate through the rotating shaft 42, and therefore the locking of the cabin door 2 and the car body 1 is achieved.

Preferably, the lower end of the mandrel 34 is provided with a straight handle. The operation is convenient.

Preferably, an external locking mechanism 5 is further arranged on the hatch door 2, the external locking mechanism 5 comprises a bolt 51 and a locking spring 52, the front end of the bolt 51 penetrates through the hatch door 2 to be in contact with the car body 1, and the locking spring 52 is sleeved on the outer circumference of the bolt 51 and enables the bolt 51 to be tightly pressed in a pin hole 53 on the car body 1. When the hatch door 2 is opened and rotated to the extreme position, the latch 51 is locked with the pin hole 53 under the action of the locking spring 52.

Preferably, the mandrel 34 is in transmission connection with the lower sliding sleeve 32 through a bearing.

When in specific use, the method is divided into the following two working conditions:

when the device is opened: the process of opening the cabin door 2 is carried out in two steps, as shown in fig. 6-7, A, the mandrel 34 is rotated 60 degrees leftwards, the mandrel drives the upper sliding sleeve 33 to rotate, the locking screw 36 is separated from the locking point on the 7-shaped through hole 35, the upper sliding sleeve 33 (fixedly connected with the cabin door 2) rises 14mm under the action of the jacking spring 40, and the protrusion 37 is separated from the groove 38; B. the mandrel 34 is rotated to 157 degrees rightwards, the bulge 37 rises along the inclined plane 39 (shown in figures 8-9), the upper sliding sleeve 33 drives the cabin door 2 to rise by 19mm, and after the cabin door 2 is completely opened, the external locking mechanism 5 is used for limiting and locking.

When the door is closed: contrary to the opening process, the spindle 34 rotates leftwards, the protrusion 37 at the bottom of the upper sliding sleeve 33 is driven to rotate back along the inclined plane 39 until the protrusion 37 is aligned with the groove 38, the spindle 34 rotates rightwards, the locking screw 36 moves along the guide surface on the 7-shaped through hole 35, the upper sliding sleeve 33 is forced to move downwards, and therefore the cabin door 2 is driven to descend by 14mm, and the locking of the cabin door 2 is achieved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. A composite opening and closing device for a special vehicle cabin door comprises a vehicle body (1) and a cabin door (2), and is characterized in that the cabin door (2) covers an opening of the vehicle body (1), one end of the cabin door is connected with the vehicle body (1) through a lifting rotating mechanism (3), and the other end of the cabin door is connected with the vehicle body (1) through a rotating shaft rotating mechanism (4); the lifting and rotating mechanism (3) comprises a sleeve (31), a lower sliding sleeve (32), an upper sliding sleeve (33) and a mandrel (34), the sleeve (31) is arranged on the vehicle body (1) in a penetrating mode, the lower sliding sleeve (32) is fixedly arranged at the inner lower end of the sleeve (31), the upper sliding sleeve (33) is movably arranged at the inner upper end of the sleeve (31), the lower end of the mandrel (34) penetrates through the lower sliding sleeve (32), and the upper end of the mandrel extends into the upper sliding sleeve (33); the side surface of the upper sliding sleeve (33) is provided with a 7-shaped through hole (35), and the core shaft (34) is provided with a locking screw (36) matched with the core shaft; the lower end of the upper sliding sleeve (33) is provided with a bulge (37), and the upper end of the lower sliding sleeve (32) is provided with a groove (38) and an inclined plane (39) which are matched with the upper sliding sleeve; a jacking spring (40) is arranged between the inside of the upper sliding sleeve (33) and the mandrel (34); the rotating shaft rotating mechanism (4) comprises a handle (41), a rotating shaft (42) and a lock tongue (43), wherein the handle (41) is arranged on the inner side of the vehicle body (1) and is connected with one end of the rotating shaft (42), and the other end of the rotating shaft (42) penetrates through the outer rear part of the vehicle body (1) and is connected with the lock tongue (43).

2. The special vehicle cabin door composite opening and closing device as claimed in claim 1, wherein a straight handle is arranged at the lower end of the mandrel (34).

3. The special vehicle cabin door composite opening and closing device according to claim 1, wherein an external locking mechanism (5) is further arranged on the cabin door (2), the external locking mechanism (5) comprises a bolt (51) and a locking spring (52), the front end of the bolt (51) penetrates through the cabin door (2) to be in contact with the vehicle body (1), and the locking spring (52) is sleeved on the outer circumference of the bolt (51) and enables the bolt (51) to be pressed into a pin hole (53) in the vehicle body (1).

4. The special vehicle cabin door composite opening and closing device as claimed in claim 1, wherein the spindle (34) is in transmission connection with the lower sliding sleeve (32) through a bearing.