CN108639218B

CN108639218B - Headstock beta structure and electric motor car

Info

Publication number: CN108639218B
Application number: CN201810774063.0A
Authority: CN
Inventors: 潘润伟; 王永维
Original assignee: Shenzhen Relync Tech Ltd
Current assignee: Shenzhen Relync Tech Ltd
Priority date: 2018-07-16
Filing date: 2018-07-16
Publication date: 2023-08-22
Anticipated expiration: 2038-07-16
Also published as: CN108639218A

Abstract

The invention discloses a headstock folding structure, which is arranged between an upper headstock and a lower headstock, and comprises an upper locking piece and a lower locking piece, wherein the upper locking piece is movably arranged on the upper headstock; the first locking surface laminating on the last locking piece is on the second locking surface, and first locking produces effort to the second locking surface, and this effort produces and blocks the relative pivoted moment of locomotive and lower locomotive, can effectively guarantee the bulk strength of locomotive when expanding, simultaneously, folding operation is reliable convenient, and the outward appearance is also more pleasing to the eye.

Description

Headstock beta structure and electric motor car

Technical Field

The invention relates to a vehicle head folding structure and an electric vehicle.

Background

Due to the reasons of increased automobile utilization rate, insufficient road capacity or inadequate design, excessive road intersections and the like, road traffic congestion is a common problem in various large cities at present, especially in the early and late peak hours, and is rather stagnant. Therefore, bicycles, electric vehicles and motorcycles are easy to shuttle among the jammed vehicles due to small volumes, so that inconvenience caused by traffic jam is avoided, but the tail gas emission of the motorcycles causes pollution and influence on air, and the environment is not protected, and the bicycles mainly run by manpower, so that the running speed is limited, and the convenience is not realized. Electric vehicles are becoming more popular. Especially for the old or people with inconvenient actions, the people who need short trips are truly a good riding tool. Folding electric vehicles are more popular among the young people. As they are convenient to store and transport. The reliability and convenience of folding is one of the criteria for measuring the satisfaction of a user experience.

The headstock of the existing folding vehicle adopts a single hinge mode. To facilitate folding, the head hinge needs to be placed at the edge of the head folding face. This results in the hinge not being hidden. This form of hinge is aesthetically unappealing, stiff and too mechanized.

The existing folding locking adopts a traditional folding mechanism, and one end of the folding locking mechanism is meshed with a groove at the other end through a wrench cam driving wedge-shaped block to realize the locking structure. This means that the user needs a great deal of force to unlock, and in addition, such a mechanism occupies the space of the car body, and the appearance is not attractive.

Disclosure of Invention

The invention aims to provide a headstock folding structure which is reliable in folding, convenient to operate and attractive in appearance.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a locomotive beta structure, establishes between last locomotive and lower locomotive, including last locking piece and lower locking piece, go up locking piece movable mounting and be in go up on the locomotive, lower locking piece fixed mounting is in on the lower locomotive, go up the locomotive and articulate down on the locomotive, it has first locking face to go up the locking piece, lower locking piece has the second locking face, first locking face laminating is in when on the second locking face, go up the locomotive with lower locomotive can't rotate relatively, go up the locking piece with be equipped with between the last locomotive and drive go up the locking piece motion to make first locking face and second locking face combine or the drive arrangement of separation.

As an optimized technical scheme, a connecting plate is hinged between the upper headstock and the lower headstock, the upper end of the connecting plate is hinged on the upper headstock, and the lower end of the connecting plate is hinged on the lower headstock.

As a preferred technical scheme, the driving device comprises a stud, the upper locking piece comprises a sleeve, the sleeve is provided with an internal thread matched with the stud, and a guiding limiting device for enabling the sleeve to move along the axis of the stud is further arranged between the upper head and the sleeve.

As a preferable technical scheme, the lower locking piece comprises a locking block fixedly installed on the lower vehicle head, the locking block is provided with a locking hole, a plug matched with the locking hole is fixedly installed on the sleeve, the first locking surface is arranged on the plug, and the wall of the locking hole is also used as the second locking surface.

As a preferable technical solution, the first locking surface and the second locking surface are inclined surfaces, the first locking surface and the second locking surface are horizontal surfaces, the first locking surface and the second locking surface are vertical surfaces, or the first locking surface and the second locking surface are curved surfaces.

As a preferable technical scheme, the upper surface and the lower surface of the plug are both the first locking surface, and the upper hole wall and the lower hole wall of the locking hole are both the second locking surface; the upper surface of the plug is inclined from top to bottom, the lower surface of the plug is inclined from bottom to top, the upper hole wall of the locking hole is inclined from top to bottom, and the lower hole wall of the locking hole is inclined from bottom to top.

As a preferable technical scheme, the driving device further comprises a knob for driving the stud to rotate; a safety mechanism for preventing the knob from rotating is arranged between the knob and the upper headstock.

As a preferable technical scheme, the safety mechanism comprises a safety pin movably mounted on the knob, a clamping groove matched with the safety pin is fixedly mounted on the upper headstock, and the safety mechanism further comprises a spring for enabling the inner end of the safety pin to be inserted into the clamping groove.

As a preferable technical scheme, the axis direction of the safety pin extends along the axis direction of the knob, the safety pin is movably inserted into the clamping groove along the diameter direction of the safety pin, an unlocking key is movably arranged on the outer peripheral surface of the knob, the unlocking key is pressed, and the inner end of the safety pin is separated from the clamping groove along the diameter direction of the safety pin; the button is provided with a guide groove, and the outer end of the safety pin is movably arranged in the guide groove; the guide groove penetrates through the outer side surface of the button.

The invention also provides an electric vehicle with reliable head folding, convenient operation and attractive appearance.

In order to achieve the above purpose, the present invention provides the following technical solutions: an electric vehicle comprises a vehicle frame, wherein the vehicle frame is provided with the vehicle head folding structure.

Due to the adoption of the technical scheme: the upper locking piece is movably mounted on the upper vehicle head, the lower locking piece is fixedly mounted on the lower vehicle head, the upper vehicle head is hinged on the lower vehicle head, the upper locking piece is provided with a first locking surface, the lower locking piece is provided with a second locking surface, when the first locking surface is attached to the second locking surface, the upper vehicle head and the lower vehicle head cannot rotate relatively, and a driving device for driving the upper locking piece to move is arranged between the upper locking piece and the upper vehicle head so that the first locking surface and the second locking surface are combined or separated; when first locking face laminating is on the second locking face, the laminating of first locking face on the last locking piece is on the second locking face, and first locking face produces effort to the second locking face, and this effort produces and stops go up locomotive and lower locomotive pivoted moment relatively, drive arrangement drive first locking face and second locking face combine or separate for produce effort between first locking face and the second locking face, make the reliable folding and the expansion of going up locomotive and lower locomotive, can effectively guarantee the bulk strength of locomotive when expanding, simultaneously, folding operation is reliable convenient, and the outward appearance is also more pleasing to the eye.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a driving device according to an embodiment of the present invention;

FIG. 3 is a transverse cross-sectional view of an embodiment of the present invention;

FIG. 4 is a longitudinal cross-sectional view of an embodiment of the present invention;

FIG. 5 is a schematic view showing a state that a plug is pulled out of a locking hole according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a protection mechanism according to an embodiment of the present invention.

In the figure:

1. feeding a headstock;

2. a lower headstock;

3. a lower locking member;

4. an upper locking member;

5. a first locking surface;

6. a second locking surface;

7. a connecting plate;

8. a stud;

9. a sleeve;

10. a guide post;

11. a locking block;

12. a locking hole;

13. a plug;

14. a knob;

15. a safety pin;

16. a clamping groove;

17. a spring;

18. unlocking the key;

19. a guide groove;

20. and a sleeve connecting plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It will be noted that when an element is referred to as being "fixedly mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present.

As shown in fig. 1 and 4, a folding structure of a vehicle head is provided between an upper vehicle head 1 and a lower vehicle head 2, and comprises an upper locking piece and a lower locking piece, wherein the upper locking piece 4 is movably installed on the upper vehicle head 1, the lower locking piece 3 is fixedly installed on the lower vehicle head 2, the upper vehicle head 1 is hinged on the lower vehicle head 2, the upper locking piece 4 is provided with a first locking surface 5, the lower locking piece 3 is provided with a second locking surface 6, when the first locking surface 5 is attached to the second locking surface 6, the upper vehicle head 1 and the lower vehicle head 2 cannot rotate relatively, and a driving device for driving the upper locking piece to move is arranged between the upper locking piece 4 and the upper vehicle head 1, so that the first locking surface 5 and the second locking surface 6 are combined or separated. In fig. 1, the headstock is in the folding process, the first locking surface and the second locking surface are separated, and the upper headstock and the lower headstock can rotate freely and relatively. This beta structure is applicable to the electric motor car field, can realize split type locomotive, namely go up the reliable folding and the expansion of locomotive 1 and lower locomotive 2 in this embodiment, can effectively guarantee the bulk strength of locomotive when expanding, simultaneously, folding operation is reliable convenient, the outward appearance is also more pleasing to the eye, other split type structures, when needs refold and switch between the state of expanding, also can adopt this technical scheme, can realize reliable folding and expansion equally, for example two bars of components of a whole that can function independently, two platelike objects of components of a whole that can function independently etc., first locking face 5 laminating is on second locking face 6, in this embodiment go up locking piece 4 and be the driving piece, first locking face 5 laminating on last locking face 6, first locking face 5 produces the effort to second locking face 6, this effort produces the moment that stops going up locomotive and lower locomotive relative rotation, drive arrangement drives first locking face and second locking face and separates for produce the effort between first locking face and the second locking face.

In order to realize the hinging between the upper headstock and the lower headstock, preferably, as shown in fig. 1, a connecting plate 7 is hinged between the upper headstock 1 and the lower headstock 2, the upper end of the connecting plate 7 is hinged on the upper headstock 1, and the lower end of the connecting plate 7 is hinged on the lower headstock 2.

As an example, the driving device comprises a stud 8, as shown in fig. 2-4, the upper locking member 4 comprises a sleeve 9, the sleeve 9 is provided with internal threads matched with the stud 8, and a guiding limiting device for enabling the sleeve 9 to move along the axis of the stud 8 is arranged between the upper headstock 1 and the sleeve 9. The screw 8 post rotates, because the cooperation of external screw thread and internal screw thread to and the restraint effect of guiding stop device, sleeve 9 will be relative to stud 8's axis direction motion, and specifically, guiding stop device restriction sleeve 9 rotates along with stud 8's rotation, guiding stop device can adopt the cooperation of guide post and guiding hole, in this embodiment, the guiding hole is established on sleeve 9, the guiding hole with be equipped with sleeve connecting plate 20 between the sleeve, the guide post 10 is installed on last locomotive 1, in order to make overall structural strength higher, sleeve movement accuracy is higher, two guiding holes have been seted up on the sleeve connecting plate, be equipped with two on the corresponding last locomotive guiding post, guiding post 10 is parallel to stud 8 each other, and under stud 8's drive, the sleeve moves along guide post and stud, guiding stop device can also adopt the cooperation of guiding groove and guide block, the guide block install in the sleeve to movable mounting is in the guiding groove, and guiding groove fixed mounting is last locomotive.

In this embodiment, as shown in fig. 2, 4 and 5, the lower locking member 3 includes a locking block 11 fixedly mounted on the lower vehicle head, the locking block 11 has a locking hole 12, a plug 13 matched with the locking hole 12 is fixedly mounted on the sleeve 9, the first locking surface 5 is disposed on the plug 13, and a wall of the locking hole 12 doubles as the second locking surface 6. The first locking surface 5 on the plug and the hole wall of the locking hole 12 which is also used as the second locking surface 6 are mutually matched, the moment of acting force between the first locking surface 5 and the second locking surface 6 can prevent the upper headstock 1 and the lower headstock 2 from rotating relatively, the locking hole 12 is used as the lower locking piece 3, the locking hole 12 has a limiting function, the hole wall of the locking hole can limit the movement of the plug, the plug 13 inserted into the locking hole 12 is not easy to deviate, and the reliability is further improved. In fig. 4, the plug is inserted into the locking hole, the first locking surface and the second locking surface are mutually attached, the upper headstock and the lower headstock are kept in an unfolding state, in fig. 5, the plug is not inserted into the locking hole, the first locking surface and the second locking surface are separated, the angle between the upper headstock and the lower headstock can be freely adjusted, and the upper headstock and the lower headstock can be conveniently folded.

In this embodiment, as shown in fig. 5, the first locking surface 5 and the second locking surface 6 are inclined surfaces. The first locking surface 5 and the second locking surface 6 may be horizontal surfaces, vertical surfaces, or curved surfaces. The moment of the acting force generated by the first locking surface acting on the second locking surface can prevent the relative rotation of the upper headstock and the lower headstock.

As shown in fig. 5, the upper surface and the lower surface of the plug 13 are both the first locking surfaces, and the upper hole wall and the lower hole wall of the locking hole are both the second locking surfaces; the upper surface of the plug is inclined from top to bottom, the lower surface of the plug is inclined from bottom to top, the upper hole wall of the locking hole is inclined from top to bottom, and the lower hole wall of the locking hole is inclined from bottom to top. The upper surface laminating of going up pore wall and plug, the lower surface laminating of pore wall and plug down, the cooperation of a plurality of first locking faces and second locking face can effectively improve complex reliability, make when expanding the state, locomotive overall structure is more firm, the direction of first locking face on the plug forms "tip" on the plug moreover, the direction of second locking face makes the inner wall in locking hole form the big one end orifice of one end small structure of one end hole mouth on the locking hole, not only be convenient for plug insert locking hole, can improve complex precision moreover, especially when plug and locking hole take place wearing and tearing, the "tip" becomes tip and/or locking hole grow, drive arrangement drives down, the degree of depth that the plug inserted locking hole will increase, so that first locking face and second locking face cooperation are inseparable.

The driving device also comprises a knob 14 for driving the stud 8 to rotate; a safety mechanism for preventing the knob from rotating due to misoperation is arranged between the knob 14 and the upper headstock 1. The safety mechanism prevents the knob from rotating, avoids misoperation and ensures reliability.

As shown in fig. 1, 3 and 6, the safety mechanism comprises a safety pin 15 movably mounted on the knob, a clamping groove 16 matched with the safety pin 15 is fixedly mounted on the upper headstock 1, the safety mechanism further comprises a spring 17 for enabling the inner end of the safety pin 15 to be inserted into the clamping groove 16, the inner end of the safety pin 15 is inserted into the clamping groove under the action of the spring 17, and thus the knob cannot rotate, and only through the action of external force, the inner end of the safety pin 15 is separated from the clamping groove, the safety can be released, and the knob can rotate freely, so that the safety function is achieved.

As shown in fig. 3 and 6, the axial direction of the safety pin 15 extends along the axial direction of the knob 14, the safety pin 15 is movably inserted into the clamping groove 16 along the diameter direction of the safety pin, an unlocking button 18 is movably mounted on the outer circumferential surface of the knob 14, the unlocking button 18 is pressed, and the inner end of the safety pin 15 is separated from the clamping groove 16 along the diameter direction of the safety pin 15. The unlocking key 18 is arranged on the outer peripheral surface of the knob 14, so that the operation is convenient, for example, an index finger and a ring finger act on the knob, the knob 14 is rotated, and the unlocking operation can be performed by pressing the unlocking key 17 by a middle finger, so that the inner end of the safety pin is separated from the clamping groove along the diameter direction of the safety pin.

As shown in fig. 1 and 6, a guide groove 19 is formed on the button 14, and the outer end of the safety pin 15 is movably mounted in the guide groove 19; the guide groove 19 penetrates the outer side surface of the button 14. The guide slot 19 plays a guiding role, restrains the movement direction of the outer end of the safety pin, enables the safety pin to be smoothly separated from the clamping slot when the unlocking key is pressed, ensures the reliability of operation, and enables the outer end of the safety pin to be exposed from the guide slot when the unlocking key fails and cannot drive the safety pin to separate from the clamping slot, and can be moved by a tool such as a screwdriver or the like to separate the inner end of the safety pin from the clamping slot.

The invention further provides an electric vehicle.

An electric vehicle comprises a vehicle frame, wherein the vehicle frame is provided with the vehicle head folding structure. When the folding bicycle is unfolded, the driving device drives the first locking surface to be separated from the second locking surface, so that the acting force between the first locking surface and the second locking surface disappears, the upper bicycle head and the lower bicycle head can be folded conveniently, the folding operation is reliable and convenient, and the appearance is more attractive. And a safety mechanism for preventing the knob from rotating due to misoperation is arranged between the knob 14 and the upper headstock 1. The safety mechanism prevents the knob from rotating, avoids misoperation and ensures reliability.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The vehicle head folding structure is characterized by comprising an upper locking piece and a lower locking piece, wherein the upper locking piece is movably installed on the upper vehicle head, the lower locking piece is fixedly installed on the lower vehicle head, the upper vehicle head is hinged on the lower vehicle head, the upper locking piece is provided with a first locking surface, the lower locking piece is provided with a second locking surface, when the first locking surface is attached to the second locking surface, the upper vehicle head and the lower vehicle head cannot rotate relatively, and a driving device for driving the upper locking piece to move is arranged between the upper locking piece and the upper vehicle head so that the first locking surface and the second locking surface are combined or separated;

a connecting plate is hinged between the upper headstock and the lower headstock, the upper end of the connecting plate is hinged on the upper headstock, and the lower end of the connecting plate is hinged on the lower headstock;

the driving device comprises a stud, the upper locking piece comprises a sleeve, the sleeve is provided with an internal thread matched with the stud, and a guide limiting device for enabling the sleeve to move along the axis of the stud is further arranged between the upper head and the sleeve;

the driving device also comprises a knob for driving the stud to rotate; a safety mechanism for preventing the knob from rotating is arranged between the knob and the upper headstock;

the safety mechanism comprises a safety pin movably mounted on the knob, a clamping groove matched with the safety pin is fixedly mounted on the upper headstock, and the safety mechanism further comprises a spring for enabling the inner end of the safety pin to be inserted into the clamping groove;

the axis direction of the safety pin extends along the axis direction of the knob, the safety pin is movably inserted into the clamping groove along the diameter direction of the safety pin, an unlocking key is movably arranged on the outer peripheral surface of the knob, the unlocking key is pressed, and the inner end of the safety pin is separated from the clamping groove along the diameter direction of the safety pin; the knob is provided with a guide groove, and the outer end of the safety pin is movably arranged in the guide groove; the guide groove penetrates through the outer side surface of the knob.

2. The vehicle head folding structure according to claim 1, characterized in that: the lower locking piece comprises a locking block fixedly installed on the lower car head, the locking block is provided with a locking hole, a plug matched with the locking hole is fixedly installed on the sleeve, the first locking surface is arranged on the plug, and the wall of the locking hole is also used as the second locking surface.

3. The vehicle head folding structure according to claim 1, characterized in that: the first locking surface and the second locking surface are inclined surfaces, the first locking surface and the second locking surface are horizontal surfaces, the first locking surface and the second locking surface are vertical surfaces or the first locking surface and the second locking surface are curved surfaces.

4. The vehicle head folding structure according to claim 2, characterized in that: the upper surface and the lower surface of the plug are both the first locking surface, and the upper hole wall and the lower hole wall of the locking hole are both the second locking surface; the upper surface of the plug is inclined from top to bottom, the lower surface of the plug is inclined from bottom to top, the upper hole wall of the locking hole is inclined from top to bottom, and the lower hole wall of the locking hole is inclined from bottom to top.

5. An electric vehicle comprising a frame having the vehicle head folding structure according to any one of claims 1 to 4.