CN211369972U

CN211369972U - Intelligent opening and closing mechanism for tail box cover

Info

Publication number: CN211369972U
Application number: CN201921235134.6U
Authority: CN
Inventors: 甘寿伟; 卢伟; 郭屹
Original assignee: Guangzhou Huade Automobile Spring Co ltd
Current assignee: Guangzhou Huade Automobile Spring Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-08-28
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses an intelligent opening and closing mechanism for a tail box cover, which comprises a vehicle body mounting bracket, a screw-nut driving mechanism, a hinge mounting bracket, a central rotating shaft and a torsion bar mechanism, wherein the screw-nut driving mechanism drives the hinge to rotate; the torsion bar mechanism comprises a first bar and a second bar, a tail box cover is abutted to the torsion bar mechanism, and the screw rod nut driving mechanism drives the hinge to rotate so as to enable the torsion bar mechanism to rotate, thereby adjusting the opening and closing angle of the tail box cover. After the tail-box cover receives the signal of opening the door, torsion bar mechanism bounces, drive the hinge drive through screw-nut actuating mechanism, can replace single electronic vaulting pole on the existing market completely and add extension spring structure or two electronic vaulting pole structures, and this structure does not need the extension spring structure, can reduce and improve in user experience on the cost, the condition that tail-box cover system can't be opened because of the material strength decay can not appear, torsion bar mechanism and screw-nut actuating mechanism can work in the lump, torsion bar mechanism also can work alone, and is simple and convenient.

Description

Intelligent opening and closing mechanism for tail box cover

Technical Field

The utility model relates to the field of automobiles, especially, relate to a tail-box cover intelligence closing mechanism.

Background

At present, with the development of automobile technology intellectualization, the convenience brought to life by an automobile electric tail gate, namely an electric tail box cover, is well known.

The electric stay bar of the three-compartment car on the market at present is driven by a motor and is additionally provided with a spring for power, the tail box cover is ensured to hover at any position, and the automatic opening and closing of the tail box cover of the three-compartment car are realized.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide an intelligent opening and closing mechanism for a tail box cover, which can solve the problems of high cost and low fault tolerance rate.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

an intelligent opening and closing mechanism for a tail box cover comprises a vehicle body mounting bracket, a screw-nut driving mechanism, two hinges, a hinge mounting bracket, a central rotating shaft and a torsion bar mechanism, wherein the screw-nut driving mechanism is fixed on the vehicle body mounting bracket; the torsion bar mechanism comprises a first bar and a second bar, the first bar and the second bar are crossed, and two ends of the first bar and the second bar are respectively fixed on the two hinges; and a tail box cover is abutted against the torsion bar mechanism, and the screw rod nut driving mechanism drives the hinge to move so as to enable the torsion bar mechanism to rotate, thereby adjusting the opening and closing angle of the tail box cover.

Further, the screw-nut driving mechanism comprises a driving piece, a first parallel gear, a second parallel gear, a screw rod, a plastic nut and a fixed ball head, the driving piece is fixedly connected with the first parallel gear and drives the first parallel gear to rotate, the first parallel gear is in meshing transmission with the second parallel gear, the second parallel gear is fixedly connected with the screw rod, the screw rod is in threaded connection with the plastic nut, the plastic nut is fixedly connected with the fixed ball head, and the fixed ball head is fixed on the hinge.

Furthermore, the number of the fixed ball heads is two, and the two fixed ball heads are positioned at two ends of the plastic nut.

Further, the driving piece is parallel to the screw rod.

Furthermore, both ends of the second rod are provided with bending edges, and the bending edges are buckled and fixed on the hinge.

Furthermore, both ends of the first rod are provided with bending edges, and the bending edges are buckled and fixed on the hinge mounting support.

Further, the feed screw nut driving mechanism comprises an oil cylinder drive.

Further, the feed screw nut driving mechanism comprises an air cylinder drive.

Furthermore, the vehicle body mounting bracket is bent and fixed on a vehicle frame.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the two hinges are positioned at two ends of the torsion bar mechanism, and the lead screw nut driving mechanism drives the hinges to move; the torsion bar mechanism comprises a first bar and a second bar, the first bar and the second bar are crossed, two ends of the first bar are respectively fixed on the two hinge mounting brackets, and two ends of the second bar are respectively fixed on the two hinges; and a tail box cover is abutted against the torsion bar mechanism, and the screw rod nut driving mechanism drives the hinge to move so as to enable the torsion bar mechanism to rotate, thereby adjusting the opening and closing angle of the tail box cover. After the tail box cover receives a door opening signal, the torsion bar mechanism bounces, and the screw nut driving mechanism drives the hinge to drive, so that a single electric support rod, a tension spring structure or a double-electric support rod structure on the existing market can be completely replaced, the tension spring structure is not needed by the structure, the cost can be reduced, the user experience can be improved, the situation that the tail box cover system cannot be opened due to the attenuation of material strength can not occur, the torsion bar mechanism and the screw nut driving mechanism can work together, and the torsion bar can also work separately and independently, so that the hinge is simple and convenient.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a preferred embodiment of the intelligent tailgate opening and closing mechanism of the present invention;

FIG. 2 is a partial cross-sectional view of the intelligent tailgate opening and closing mechanism of FIG. 1;

FIG. 3 is a partial perspective view of the intelligent tailgate opening and closing mechanism shown in FIG. 1;

fig. 4 is a bottom view of the intelligent opening and closing mechanism of the trunk lid shown in fig. 1.

In the figure: 10. a vehicle body mounting bracket; 20. a feed screw nut drive mechanism; 21. a drive member; 22. a first parallel gear; 23. a second parallel gear; 24. a screw rod; 25. a plastic nut; 26. fixing the ball head; 30. a hinge; 40. a hinge mounting bracket; 50. a central rotating shaft; 60. a torsion bar mechanism; 61. a first lever; 62. a second lever.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, an intelligent opening and closing mechanism for a trunk lid includes a vehicle body mounting bracket 10, a screw nut driving mechanism 20, two hinges 30, a hinge mounting bracket 40, a central spindle 50 and a torsion bar mechanism 60, wherein the screw nut driving mechanism 20 is fixed to the vehicle body mounting bracket 10, the hinges 30 are rotatably mounted on the hinge mounting bracket 40 through the central spindle 50, the two hinges 30 are located at two ends of the torsion bar mechanism 60, and the screw nut driving mechanism 20 drives the hinges 30 to rotate; the torsion bar mechanism 60 includes a first bar 61 and a second bar 62, the first bar 61 and the second bar 62 intersect each other, and both ends of the first bar 61 and the second bar 62 are fixed to the two hinges 30, respectively; a trunk lid abuts against the torsion bar mechanism 60, and the screw-nut driving mechanism 20 drives the hinge 30 to rotate, so that the torsion bar mechanism 60 rotates, thereby adjusting the opening and closing angle of the trunk lid. After the trunk lid received the signal of opening the door, torsion bar mechanism 60 bounced, through screw-nut actuating mechanism 20 drives hinge 30 drives, torsion bar mechanism 60 installs in two hinge 30's inboard can replace single electronic vaulting pole, extension spring structure or two electronic vaulting pole structures on the existing market completely to this structure does not need the extension spring structure, can reduce and user experience improves on the cost, can not appear the situation that the trunk lid system can't be opened because of material strength decay, torsion bar mechanism 60 with screw-nut actuating mechanism 20 can work in the lump, also can part independent work, and is simple and convenient.

Specifically, fig. 1 is a perspective view of the mechanism when the trunk lid is in a closed state. In practical use, the number of the vehicle body mounting bracket 10, the feed screw nut driving mechanism 20 and the hinge mounting bracket 40 can be two according to requirements, the feed screw nut driving mechanism 20 comprises a driving piece 21, a first parallel gear 22, a second parallel gear 23, a feed screw 24, a plastic nut 25 and a fixed ball head 26, the driving piece 21 is fixedly connected with the first parallel gear 22 and drives the first parallel gear 22 to rotate, the first parallel gear 22 is in meshing transmission with the second parallel gear 23, the second parallel gear 23 is fixedly connected with the feed screw 24, the feed screw 24 is in threaded connection with the plastic nut 25, the plastic nut 25 is fixedly connected with the fixed ball head 26, and the fixed ball head 26 is fixed on the hinge 30. After the tail box cover receives a door opening signal, the torsion bar mechanism 60 bounces, the driving piece 21 works immediately to drive the first parallel gear 22 and the second parallel gear 23 to be in meshing transmission, and then the screw rod 24 is driven to work, the plastic nut 25 gradually shortens the whole length of the screw rod nut driving mechanism 20 along with the operation of the screw rod 24, and the tail box cover is slowly opened along with the rotating speed of the driving motor; similarly, when the trunk lid is in the open state, and the door closing signal is received, the driving member 21 operates to extend the screw nut driving mechanism 20 until the trunk lid is closed.

Preferably, the number of the fixing bulbs 26 is two, and the two fixing bulbs 26 are located at two ends of the plastic nut 25. The fixed position or the direction can be adjusted according to the requirement, so that the adjustment of workers is further facilitated.

Preferably, the driving member 21 is parallel to the screw 24. Both ends of the second rod 62 are provided with bending edges, and the bending edges are fastened and fixed on the hinge 30. Both ends of the first rod 61 are provided with bending edges, and the bending edges are fastened and fixed on the hinge mounting bracket 40. Simple and convenient to install, and saves time and labor when being disassembled simultaneously.

Preferably, the lead screw nut driving mechanism 20 includes an oil cylinder drive or an air cylinder drive. The power can be adjusted according to the requirement, the vehicle body mounting bracket 10 is bent, and the vehicle body mounting bracket 10 is fixed on a vehicle frame. Novel structure, design benefit, the suitability is strong, the facilitate promotion.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a tail-box cover intelligence closing mechanism, includes automobile body installing support, screw-nut actuating mechanism, two hinges, hinge mount, central pivot and torsion bar mechanism, its characterized in that: the screw-nut driving mechanism is fixed on the vehicle body mounting bracket, the hinges are rotatably mounted on the hinge mounting bracket through the central rotating shaft, the torsion bar mechanism is mounted on the inner sides of the two hinges, and the screw-nut driving mechanism drives the hinges to move; the torsion bar mechanism comprises a first bar and a second bar, the first bar and the second bar are crossed, and two ends of the first bar and the second bar are respectively fixed on the two hinges; and a tail box cover is abutted against the torsion bar mechanism, and the screw rod nut driving mechanism drives the hinge to move so as to enable the torsion bar mechanism to rotate, thereby adjusting the opening and closing angle of the tail box cover.

2. The intelligent opening and closing mechanism of the trunk lid as claimed in claim 1, wherein: the screw rod nut driving mechanism comprises a driving piece, a first parallel gear, a second parallel gear, a screw rod, a plastic nut and a fixed ball head, the driving piece is fixedly connected with the first parallel gear and drives the first parallel gear to rotate, the first parallel gear is in meshing transmission with the second parallel gear, the second parallel gear is fixedly connected with the screw rod, the screw rod is in threaded connection with the plastic nut, the plastic nut is fixedly connected with the fixed ball head, and the fixed ball head is fixed on the hinge.

3. The intelligent opening and closing mechanism of the trunk lid as claimed in claim 2, wherein: the number of the fixed ball heads is two, and the two fixed ball heads are positioned at two ends of the plastic nut.

4. The intelligent opening and closing mechanism of the trunk lid as claimed in claim 2, wherein: the driving piece is parallel to the screw rod.

5. The intelligent opening and closing mechanism of the trunk lid as claimed in claim 1, wherein: the two ends of the second rod are provided with bending edges, and the bending edges are buckled and fixed on the hinge.

6. The intelligent opening and closing mechanism of the trunk lid as claimed in claim 1, wherein: the both ends of first pole all are equipped with the limit of buckling, buckle the limit buckle and be fixed in hinge mount support.

7. The intelligent opening and closing mechanism of the trunk lid as claimed in claim 1, wherein: the feed screw nut driving mechanism comprises an oil cylinder drive.

8. The intelligent opening and closing mechanism of the trunk lid as claimed in claim 1, wherein: the feed screw nut driving mechanism comprises a cylinder drive.

9. The intelligent opening and closing mechanism of the trunk lid as claimed in claim 1, wherein: the automobile body installing support is bent and fixed on a frame.