CN112647791B - Car scissors door hinge and car - Google Patents
Car scissors door hinge and car Download PDFInfo
- Publication number
- CN112647791B CN112647791B CN202011443794.0A CN202011443794A CN112647791B CN 112647791 B CN112647791 B CN 112647791B CN 202011443794 A CN202011443794 A CN 202011443794A CN 112647791 B CN112647791 B CN 112647791B
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- pin
- buckle
- door
- safety
- sliding block
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D7/00—Hinges or pivots of special construction
- E05D7/12—Hinges or pivots of special construction to allow easy detachment of the hinge from the wing or the frame
- E05D7/121—Hinges or pivots of special construction to allow easy detachment of the hinge from the wing or the frame specially adapted for vehicles
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
- E05D3/12—Hinges with pins with two or more pins with two parallel pins and one arm
- E05D3/125—Hinges with pins with two or more pins with two parallel pins and one arm specially adapted for vehicles
- E05D3/127—Hinges with pins with two or more pins with two parallel pins and one arm specially adapted for vehicles for vehicle doors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/02—Parts for attachment, e.g. flaps
- E05D5/0207—Parts for attachment, e.g. flaps for attachment to vehicles
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/02—Parts for attachment, e.g. flaps
- E05D5/0215—Parts for attachment, e.g. flaps for attachment to profile members or the like
- E05D5/0223—Parts for attachment, e.g. flaps for attachment to profile members or the like with parts, e.g. screws, extending through the profile wall or engaging profile grooves
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/10—Pins, sockets or sleeves; Removable pins
- E05D5/12—Securing pins in sockets, movably or not
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D7/00—Hinges or pivots of special construction
- E05D7/12—Hinges or pivots of special construction to allow easy detachment of the hinge from the wing or the frame
- E05D2007/126—Hinges or pivots of special construction to allow easy detachment of the hinge from the wing or the frame in an axial direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides an automobile scissor door hinge and an automobile, and relates to the technical field of automobiles; the hinge comprises a vehicle body part connected to a vehicle body, a vehicle door part connected to a shear door, a safety unlocking device, a first connecting piece, a second connecting piece and a hinge body, wherein the first connecting piece is rotatably connected to the vehicle body part through a rotating piece and is connected to the vehicle door part through the second connecting piece; the safety unlocking device is provided with an elastic locking part connected with the second connecting piece, and the elastic locking part can be separated from and release the second connecting piece when an external force acts on the elastic locking part, so that the second connecting piece is sequentially separated from the safety unlocking device, the first connecting piece and the vehicle door piece; the automobile scissor door hinge and the automobile adopting the safety unlocking device can be used for independently separating the scissor door when the scissor door cannot be normally opened under emergency conditions, so that the safety of people in the automobile is guaranteed to be withdrawn, and the safety performance of the automobile is improved.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile scissor door hinge and an automobile.
Background
The scissors door hinge of the automobile is used for scissors type automobile doors, so that the automobile doors are opened and closed along the upper and lower directions, the difficulty of opening the automobile doors in narrow areas is avoided, the damage to pedestrians or the automobile doors on the road can be avoided, and meanwhile, certain design feeling is also provided. The scissor door hinge for the automobile is usually composed of three parts, namely a door part connected with the automobile door, an automobile body part connected with the automobile body and a middle rotating shaft, and is different from the rotating shaft of a side hung door hinge, the rotating shaft of the scissor door hinge is usually arranged on the YOZ plane of the automobile, and under the driving of a driving device, the door part drives the automobile door to open and close along the up and down direction.
The prior domestic automobile scissor door hinge, such as the scissor door hinge mechanism disclosed in Chinese patent CN2018208749820 and a vehicle, comprises a hinge fixed page fixed on a vehicle body, a hinge movable page hinged with the hinge fixed page through a first hinge shaft, a first push rod, a second push rod, a first connecting rod with one end connected with the hinge movable page and a second connecting rod fixed on a scissor door; one end of the first push rod is fixed on the vehicle body, and the other end of the first push rod is connected with the hinge movable leaf so as to push the hinge movable leaf to rotate around the first hinge shaft; the second connecting rod is articulated with first connecting rod through the second articulated shaft, and the second push rod is connected between first connecting rod and second connecting rod to the pulling second connecting rod rotates around the second articulated shaft. As described in patent CN2018214737873, the hinge structure of a scissor door includes a four-bar mechanism, a gas spring and a door leaf, wherein the four-bar mechanism includes a first connecting bar mounted on a pillar a of a side wall, a second connecting bar, a third connecting bar, a fourth connecting bar, a first pin, a second pin, a third pin, and a fourth pin, one end of the fourth connecting bar is connected to the first connecting bar through the first pin, so that the second connecting bar and the fourth connecting bar rotate around their respective connection points and are perpendicular to the pillar a, the third connecting bar is connected to the other end of the second connecting bar and the other end of the fourth connecting bar through the third pin and the fourth pin, an extending section parallel to the pillar a extends from the top end of the third connecting bar, the door leaf is connected to the extending section of the third connecting bar through a fifth pin, two ends of the gas spring are connected to the extending section of the third connecting bar and the door leaf through bolts, so that the door leaf rotates around the fifth pin shaft under the driving of the gas spring.
The scissor door hinges disclosed in the above patents have the functions of normally opening and closing the door, but under the condition that the door cannot be normally opened, for example, when the automobile is laterally collided and tilted, the door deforms and sinks inwards or the hinge deforms and loses the function, and at this time, the door needs to be destroyed to ensure the safety of the personnel in the automobile to withdraw.
Disclosure of Invention
The invention aims to provide an automobile scissor door hinge and an automobile.
In order to achieve the above purpose, the invention provides the following technical scheme: a hinge for a scissor door of an automobile comprises an automobile body part, an automobile door part, a first connecting part, a rotating part and a second connecting part, wherein the automobile body part is connected to an automobile body, the automobile door part is connected to a scissor door, one end of the first connecting part is rotatably connected to the automobile body part through the rotating part, and the other end of the first connecting part is connected to the automobile door part through the second connecting part; the vehicle door piece rotates around the rotation axis of the rotating piece through the first connecting piece to drive the scissor door to open and close;
the automobile scissor door hinge further comprises a safety unlocking device, and the safety unlocking device is arranged on the first connecting piece and on the opposite side of the installation side of the automobile door piece; the safety unlocking device is provided with an elastic locking part, and the elastic locking part is connected to the second connecting piece; the elastic locking part is separated from and releases the second connecting piece under the action of external force, so that the second connecting piece and the vehicle door piece connected to the second connecting piece are sequentially separated from the safety unlocking device and the first connecting piece.
Furthermore, a clamping groove extending along the rotation axis direction of the rotating part is formed in the vehicle body part, and first through holes penetrating through the groove walls are respectively formed in the groove walls on the two sides of the clamping groove along the rotation axis direction of the rotating part;
the end part of the first connecting piece, which is connected with the vehicle body piece, is arranged in the clamping groove, and a second through hole which penetrates through the end part of the first connecting piece is arranged at the position, corresponding to the first through hole, of the end part of the first connecting piece, and the second through hole is coaxial with the first through hole;
the rotating part comprises a rotating pin, a first bushing and a second bushing, the first bushing and the second bushing are sequentially installed in two first through holes of the clamping groove, the rotating pin sequentially penetrates through the first bushing, the second through hole and the second bushing along the direction of the rotation axis of the rotating pin, and the rotating pin is in knurling fit or interference fit with the second through hole of the first connecting piece.
Further, the vehicle door piece is fixedly connected with the first connecting piece through a connecting pin, and a sealing gasket is arranged between the vehicle door piece and the first connecting piece; the end surfaces, close to each other, of the door piece and the first connecting piece are respectively provided with a plurality of connecting pin mounting holes corresponding to the positions, two ends of each connecting pin are respectively pressed on the two connecting pin mounting holes corresponding to the positions on the end surfaces, close to each other, of the door piece and the first connecting piece, and the outer walls of the connecting pins are in interference fit with the connecting pin mounting holes through knurling or interference fit;
the end part of the first connecting piece, which is provided with the safety unlocking device, is also provided with an assembly cavity with an opening facing the safety unlocking device and a cover plate for closing the assembly cavity, and the safety unlocking device is arranged in the assembly cavity.
Furthermore, one end of the second connecting piece is provided with a safety pin with knurls; defining the releasing direction of the safety pin as an unlocking direction, wherein a safety pin assembling hole penetrating through the vehicle door piece is formed in the vehicle door piece along the unlocking direction, and the safety pin assembling hole extends into the assembling cavity; the safety pin is pressed in the safety pin assembly hole, and the end part of the safety pin, which is not provided with the knurl, sequentially penetrates through the vehicle door part and the rear part of the sealing gasket and is positioned in the assembly cavity; the elastic locking part of the safety unlocking device locks the part of the safety pin, which is positioned in the assembly cavity.
Further, the safety unlocking device further comprises a shear pin;
a positioning stop catch is arranged on the bottom surface, corresponding to the cover plate, in the assembly cavity and is positioned at the mounting side, close to the vehicle body part on the first connecting piece, of the safety pin assembly hole; a shear pin assembly hole penetrating through the first connecting piece is formed in one side, away from the safety pin assembly hole, of the positioning stop, and the central axis of the shear pin assembly hole is perpendicular to the unlocking direction;
defining the direction of assembling the shear pin to the shear pin assembling hole as the vertical direction, wherein the elastic locking part comprises a locking unit, an upper slide block, a lower slide block and an elastic element;
the locking unit is arranged in the assembly cavity and comprises a buckle and a buckle spring; the upper end surface of the buckle is attached to the lower surface of the positioning stop dog, and the lower end of the buckle is clasped to the outer wall of the safety pin; the buckle spring is connected to the opening at the bottom end of the buckle;
the upper sliding block is of a U-shaped groove structure with a downward opening, the upper sliding block is clamped between the upper surface inside the assembly cavity and the upper surface of the positioning stop, and the opening end face of the upper sliding block is arranged as an upper sliding block matching surface; the positioning stop is positioned in the U-shaped groove structure of the upper sliding block;
the lower sliding block is arranged in a U-shaped groove structure with an upward opening, the lower sliding block is clamped between the lower surface in the assembly cavity and the safety pin, and the opening end face of the lower sliding block is arranged as a lower sliding block matching surface matched with the upper sliding block matching surface; the side walls of the upper sliding block and the lower sliding block are adapted to the inner side wall of the assembly cavity;
the lower end of the lower sliding block is provided with an elastic element assembling hole, a buckle limiting groove and a buckle limiting groove II, the elastic element assembling hole is positioned on the lower surface of the lower sliding block groove, the elastic element is installed in the elastic element assembling hole in an adaptive mode, and the elastic element is in a compressed state; the buckle limiting groove is positioned on the upper surface of the lower slider groove bottom, the buckle bottom end is arranged in the buckle limiting groove in an adaptive mode, and the buckle spring is in a compressed state; the buckle limiting groove II is arranged on the side, close to the vehicle door part, of the lower sliding block, the outer edge of the notch of the buckle limiting groove II extends towards the inside of the U-shaped groove structure, and the buckle limiting groove II is used for limiting the buckle to expand outwards towards two side walls of the upper sliding block and the lower sliding block when the bottom end of the buckle is separated from the buckle limiting groove, so that abnormal sound caused by collision between the buckle and the two side walls of the upper sliding block and the lower sliding block is avoided;
the end part, far away from the assembly cavity, of the shear pin is provided with a T-shaped shearing area, the T-shaped shearing area is matched with the shear pin assembly hole through a sealing plug, and the sealing plug is connected with the shear pin mounting hole through threads or knurls;
a stress area is arranged in the T-shaped shearing area of the shearing pin and is used for driving the T-shaped shearing area to generate plastic deformation under the action of external force, and the shearing pin moves towards the assembly cavity along the shearing pin assembly hole until the lower end face of the shearing pin abuts against the upper sliding block; the upper sliding block is driven by the stress to move downwards, so that the buckle spring drives the buckle to be separated from the buckle limiting groove and expand outwards, and the safety pin is released.
Further, the elastic element is a compression spring; two elastic element assembling holes are symmetrically formed in the lower surface of the lower slider groove along the direction perpendicular to the vertical direction, one end of the compression spring is arranged in each elastic element assembling hole, and the other end of the compression spring is connected to the lower surface in the assembling cavity.
Furthermore, the cover plate is connected with the first connecting piece through bolts.
Furthermore, the length of the safety pin is such that when the safety pin is completely pressed into the safety pin assembling hole, the end face of the safety pin in the assembling cavity is flush with the end face of the assembling cavity close to the cover plate.
Furthermore, the vehicle door part is also provided with a ball pin assembly hole penetrating through the vehicle door part along the direction parallel to the unlocking direction, the ball pin assembly hole is used for assembling a ball pin, and the end part of the ball pin is riveted to the ball pin assembly hole; the ball pin is used for connecting the electric stay bar and driving the car door piece to rotate around the rotating axis of the rotating piece when the electric stay bar extends or shortens.
The invention also discloses an automobile which comprises an automobile body, the scissor door and the automobile scissor door hinge, wherein the scissor door is installed on the automobile body through the automobile scissor door hinge.
According to the technical scheme, the hinge for the automobile scissor door and the automobile provided by the technical scheme of the invention have the following beneficial effects:
the invention discloses an automobile scissor door hinge and an automobile, and relates to the technical field of automobiles; the hinge comprises a vehicle body part connected to a vehicle body, a vehicle door part connected to a shear door, a safety unlocking device, a first connecting piece, a second connecting piece and a hinge body, wherein the first connecting piece is rotatably connected to the vehicle body part through a rotating piece and is connected to the vehicle door part through the second connecting piece; the safety unlocking device is used for independently separating the scissor door when the scissor door cannot be normally opened under emergency conditions so as to ensure the safety withdrawal of personnel in the vehicle; the device is provided with an elastic locking part connected with the second connecting piece, and the elastic locking part can be separated from and release the second connecting piece when acting under external force, so that the second connecting piece is sequentially separated from the safety unlocking device, the first connecting piece and the door piece.
The elastic locking part comprises a locking unit, an upper sliding block, a lower sliding block and an elastic element, wherein the locking unit comprises a buckle and a buckle spring; an upper sliding block, a lower sliding block and an elastic element which are matched to be used are adopted to form a structure which can move up and down under the action of external force in a preset space of a first connecting piece, then a buckle is buckled on a second connecting piece, an opening of the buckle is limited in a buckle limiting groove reserved on the lower sliding block through a buckle spring, and limiting and locking of the second connecting piece are realized; when an accident happens, the structure consisting of the upper sliding block, the lower sliding block and the elastic element can move under the action of external force, so that the opening of the buckle is separated from the buckle limiting groove and then separated from the second connecting piece, and the second connecting structure is unlocked. This structural design is exquisite, and convenient to use demolishs fast, when being applied to the scissors door installation of car, fully solves the technical problem that the scissors door can't be opened, improves the safety guarantee when the car meets accident.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of this disclosure unless such concepts are mutually inconsistent.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is an exploded view of a vehicle scissor door hinge of the present invention;
FIG. 2 is a sealing structure view of the safety unlocking device of the present invention;
FIG. 3 is a schematic view of the safety unlocking device before unlocking;
FIG. 4 is a schematic view of the safety unlocking device after unlocking;
FIG. 5 is a schematic rear view of the safety unlocking device of the present invention after unlocking;
fig. 6 is a schematic view of the scissor door hinge of the invention.
In the figure, the specific meaning of each mark is:
10-body part, 10 a-groove, 21-rotation pin, 22-bush one, 23-bush two, 30-first connecting piece, 31-safety pin assembly hole one, 32-assembly cavity, 32 a-assembly cavity face one, 32 b-assembly cavity face two, 32 c-assembly cavity face three, 33-positioning stop, 33 a-positioning stop face one, 33 b-positioning stop face two, 34-shear pin mounting hole, 35-fastening screw mounting hole, 36-connecting pin mounting hole one, 40-door part, 41-safety pin assembly hole two, 42-connecting pin mounting hole two; 43-ball stud assembly hole, 50-connecting pin, 60-sealing gasket, 70-safety pin, 80-ball stud, 90-safety unlocking device, 91-shearing pin, 91 a-shearing area, 91 b-stress area, 92-sealing plug, 93-upper slide block, 93 a-stress surface, 94-lower slide block, 94 a-lower slide block matching surface, 94 b-spring assembly hole, 94 c-buckle limiting groove, 94 d-buckle stop surface I, 95-buckle spring, 96-buckle, 96 a-buckle surface I, 96 b-buckle surface II, 96 c-buckle spring assembly hole, 96 d-buckle surface III, 96 e-buckle stop surface II, 97-compression spring, 100-fastening screw and 110-cover plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Similarly, the singular forms "a," "an," or "the" do not denote a limitation of quantity, but rather denote the presence of at least one, unless the context clearly dictates otherwise. The terms "comprises," "comprising," or the like, mean that the elements or items listed before "comprises" or "comprising" encompass the features, integers, steps, operations, elements, and/or components listed after "comprising" or "comprising," and do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may also be changed accordingly.
Based on the prior art, the scissor door hinges have the functions of normally opening and closing the door, but have the technical problem that personnel in the automobile cannot withdraw when the door of the automobile cannot be normally opened under the unexpected conditions of side collision and side inclination of the automobile, deformation and invagination of the door or deformation and loss of functions of the hinges and the like; the invention aims to provide an automobile scissor door hinge and an automobile, which can directly and quickly remove an automobile door when the automobile door cannot be opened, and ensure the safe evacuation of personnel.
The scissor door hinge according to the present invention will be described in more detail with reference to the embodiments shown in the drawings.
The automobile scissor door hinge shown in fig. 1 and 6 comprises a body member 10, a rotating member, a first connecting member 30, a door member 40 and a second connecting member, wherein the body member 10 is connected to the body, the door member 40 is connected to the scissor door, one end of the first connecting member 30 is rotatably connected to the body member 10 by the rotating member, and the other end of the first connecting member is connected to the door member 40 by the second connecting member; when the door member 40 is rotated about the rotation axis of the rotary member via the first link member 30, the scissors door connected to the door member 40 is driven to open and close.
In order to realize the quick removal when the scissor door cannot be opened, the automobile scissor door hinge further comprises a safety unlocking device 90 arranged on the first connecting piece 30 and on the opposite side of the installation side of the automobile door piece 40; the safety unlocking device 90 is provided with an elastic locking portion which is connected to the second connecting member, and the elastic locking portion is disengaged and releases the second connection 70 when an external force is applied, so that the second connecting member and the door member 40 connected thereto are sequentially disengaged from the safety unlocking device 90 and the first connecting member 30.
The concrete connection structure of the vehicle body part 10 and the first connecting part 30 is that a clamping groove 10a extending along the rotation axis direction of the rotating part is arranged on the vehicle body part 10, and the two side groove walls of the clamping groove 10a along the rotation axis direction of the rotating part are respectively provided with a first through hole penetrating through the groove walls; the end part of the first connecting piece 30 connected with the vehicle body piece 10 is arranged in the clamping groove 10a, the space of the clamping groove 10a can accommodate the motion envelope of the first connecting piece 30, a second through hole penetrating through the end part of the first connecting piece 30 is arranged at the position of the end part of the first connecting piece 30 corresponding to the first through hole, and the second through hole is coaxial with the first through hole; the rotating member comprises a rotating pin 21, a first bushing 22 and a second bushing 23, the first bushing 22 and the second bushing 23 are sequentially installed in the two first through holes of the clamping groove 10a, the rotating pin 21 sequentially penetrates through the first bushing 22, the second through hole and the second bushing 23 along the rotating axis direction, and the rotating pin 21 and the second through hole of the first connecting member 30 are in knurling fit or interference fit. The rotation pin 21 enables rotational fixing of the vehicle body member 10 and the first link member 30, and the first link member 30 has a degree of freedom of rotation about the rotation pin 21 when the vehicle body member 10 is fixed.
Referring to fig. 2, the door member 40 and the first connecting member 30 are specifically connected by fixing the door member 40 and the first connecting member 30 by a connecting pin, and a sealing gasket 60 is disposed between the door member 40 and the first connecting member 30. The end faces, close to each other, of the door piece 40 and the first connecting piece 30 are respectively provided with a plurality of connecting pin mounting holes corresponding in position, namely the first connecting piece 30 is provided with a first connecting pin mounting hole 36, the door piece 40 is provided with a second connecting pin mounting hole 42, and the first connecting pin mounting hole 36 and the second connecting pin mounting hole 42 are identical in size and correspond in position. After the sealing gasket 60 is sleeved on the connecting pin 50, two ends of the sealing gasket 60 are respectively pressed in two connecting pin mounting holes corresponding to the upper positions of the end surfaces of the vehicle door piece 40 and the first connecting piece 30 which are close to each other, and the outer wall of the connecting pin 50 and the connecting pin mounting holes are in knurling or interference fit, so that the interference connection between the connecting pin 50 and the connecting pin mounting holes needs to ensure that the vehicle door piece 40 and the first connecting piece 30 cannot be separated under normal conditions, and the sealing gasket 60 and the vehicle door piece 40 are attached.
In order to facilitate the installation of the safety unlocking device 90, in the embodiment shown in fig. 1, the end of the first connecting member 30 where the safety unlocking device 90 is installed is further provided with a fitting cavity 32 opening toward the safety unlocking device 90 and a cover plate 110 for closing the fitting cavity, the safety unlocking device 90 is installed in the fitting cavity 32, and the cover plate 110 limits the play of the safety unlocking device 90 in the unlocking direction. In addition, in order to prevent the safety unlocking device 90 from being unlocked by external force, some parts are ejected out to cause damage, the end face of the assembly cavity 32 is provided with fastening screw mounting holes 35, and the cover plate 110 is provided with assembly holes corresponding to the fastening screw mounting holes 35. In the drawings, four fastening screws 100 are used to penetrate through the cover plate 110 to be fixedly connected with the first connecting member 30, and the locking force of the fastening screws 100 needs to ensure certain sealing performance.
As shown in fig. 1, the second link is provided with a knurled safety pin 70 at one end; defining the releasing direction of the safety pin 70 as an unlocking direction, the door part 40 is provided with a safety pin assembling hole which penetrates through the door part 40 along the unlocking direction and is marked as a second safety pin assembling hole 41, and the safety pin assembling hole extends into the assembling cavity 32; that is, the first connecting member 30 is also provided with the first shear pin fitting hole 31 coaxial with the second shear pin fitting hole 41, which communicates with the fitting cavity 32. The safety pin 70 is pressed in the safety pin assembly hole, and the end part of the safety pin 70, which is not provided with the knurling, sequentially penetrates through the vehicle door piece 40 and the rear part of the sealing gasket 60 and is positioned in the assembly cavity 32; the resilient locking portion of the safety unlocking device 90 locks the portion of the safety pin 70 located within the assembly cavity 32. To ensure that the portion of the safety pin 70 located in the assembly cavity 32 is sufficiently locked by the elastic locking portion, when the safety pin 70 is completely pressed into the safety pin assembly hole after assembly, the end surface of the safety pin 70 located in the assembly cavity 32 is flush with the end surface of the assembly cavity 32 close to the cover plate 110.
As shown in fig. 1, 3 and 4, the safety unlocking device 90 further includes a shear pin 91; a positioning stop 33 is arranged on the bottom surface of the assembly cavity 32 corresponding to the cover plate 110, and the positioning stop 33 is positioned at the mounting side of the safety pin assembly hole close to the vehicle body part 10 on the first connecting piece 3; a shear pin fitting hole 34 penetrating the first link 3 is provided on a side of the positioning stopper 33 away from the shear pin fitting hole, and a central axis of the shear pin fitting hole 34 is perpendicular to the unlocking direction.
Defining the direction in which the shear pin 91 is fitted to the shear pin fitting hole 34 as the up-down direction, the above-mentioned elastic locking portion includes a locking unit, an upper slider 93, a lower slider 94 and an elastic member 97; as shown in fig. 3, the locking unit is installed in the assembly cavity 32 and includes a buckle 96 and a buckle spring 95, both sides of the opening at the bottom end of the buckle 96 are provided with buckle spring assembly holes 96c, the buckle spring 95 is connected to the buckle spring assembly holes 96c, the upper end surface of the buckle 96 is attached to the lower surface of the positioning stop 33, and the lower end of the buckle 96 is clasped to the outer wall of the safety pin 70; in the drawings, the upper end surface of the catch 96 is referred to as a first catch surface 96a, and the lower surface of the positioning stopper 33 is referred to as a second positioning stopper surface 33 b.
The upper slider 93 and the lower slider 94 have the specific structure that the side walls of the upper slider 93 and the lower slider 94 are adapted to the inner side wall of the assembly cavity 32; the upper sliding block 93 is arranged into a U-shaped groove structure with a downward opening, the upper sliding block 93 is clamped between the upper surface inside the assembly cavity 32 and the upper surface of the positioning stop 33, and the opening end surface of the upper sliding block 93 is arranged into an upper sliding block matching surface; the positioning stop 33 is positioned in the U-shaped groove structure of the upper slide block 93; in particular, the positioning stopper 33 may be formed in a plate shape for the convenience of use, or may be formed in an arc-shaped semi-surrounding structure with an opening facing the safety pin mounting hole as shown in fig. 1.
The lower slider 94 is arranged in a U-shaped groove structure with an upward opening, the lower slider 94 is clamped between the lower surface in the assembly cavity 32 and the safety pin 70, and the opening end surface of the lower slider 94 is arranged as a lower slider matching surface 94a matched with the upper slider matching surface; the upper and lower sliders 93, 94 transmit motion and load through the upper and lower slider mating surfaces 94 a.
In fig. 3, the lower end of the lower slider 94 is provided with an elastic element assembly hole, a second buckle limiting groove 94c and a second buckle limiting groove, the elastic element assembly hole is located on the lower surface of the bottom of the lower slider 94, the elastic element is fittingly installed in the elastic element assembly hole, and the elastic element is in a compressed state; the buckle limiting groove 94c is positioned on the upper surface of the groove bottom of the lower sliding block 94, the bottom end of the buckle 96 is arranged in the buckle limiting groove 94c in a matched mode, the buckle spring 95 is in a compressed state, and the buckle 96 moves in the buckle limiting groove 94c in a limited mode; the second buckle limiting groove is arranged on the side, close to the vehicle door piece 40, of the lower sliding block 94, the outer edge of the notch of the second buckle limiting groove extends towards the inside of the U-shaped groove structure, and the second buckle limiting groove is used for limiting the buckle 96 to expand outwards towards the two side walls of the upper sliding block 93 and the lower sliding block 94 when the bottom end of the buckle 96 is separated from the buckle limiting groove 94c, so that the situation that the buckle 96 collides with the two side walls of the upper sliding block 93 and the lower sliding block 94 to generate abnormal sound is avoided; the reason is that the lower end of the buckle 96 has low strength, the second bayonet limiting groove is of a sheet-like structure, and when the two are in mutual contact, the lower end of the buckle 96 deforms to absorb outward expansion energy, so that large impact force cannot occur when the buckle 96 is in contact with the two side walls of the upper slider 93 and the lower slider 94, and collision abnormal sound cannot be generated. In the specific embodiment, the elastic element is a compression spring 97, the elastic element assembly holes are spring assembly holes 94b, two spring assembly holes 94b are symmetrically arranged on the lower surface of the bottom of the lower slider 94 along the vertical direction, one end of the compression spring 97 is arranged in the spring assembly holes 94b, and the other end of the compression spring 97 is connected to the inner lower surface of the assembly cavity 32.
After the upper sliding block 93, the lower sliding block 94 and the compression spring 97 are assembled in the assembly cavity 32, the reaction force of the compression spring 97 is transmitted to the upper sliding block 93 due to the compression, so that the upper end face of the upper sliding block 93 is tightly attached to the upper surface in the assembly cavity 32 and is marked as an assembly cavity face I32 a; the assembled upper slide block 93 and the assembled lower slide block 94 limit the degree of freedom in the left-right direction through the inner side wall of the assembly cavity 32, and the inner side wall of the assembly cavity 32 is marked as an assembly cavity surface two 32 b; in addition, the bottom of the buckle 96 is arranged in the buckle limiting groove 94c, when the safety pin is assembled, the bottom surface and the side wall of the buckle limiting groove 94c are marked as a first buckle stop surface 94d, the first buckle stop surface 94d can extrude the lower end surface of the buckle 96 and is marked as a third buckle surface 96d, the safety pin 70 is locked by the side surface of the buckle 96 attached to the safety pin 70, the locking force at least enables the safety pin 70 not to be pulled out under normal conditions, and the attaching surface of the buckle 96 is marked as a second buckle surface 96 b. The free state of the buckle spring 95 is contracted to two ends and can be inserted into the buckle spring assembly hole 96c, the buckle spring 95 is compressed, the spring reaction force makes the buckle 96 expand outward, and the buckle surface three 96d is further tightly attached to the buckle stop surface one 94 d.
The end part, far away from the assembly cavity 32, of the shear pin 91 is set to be a T-shaped shear area 91a, the T-shaped shear area 91a is matched with the shear pin assembly hole 34 through a sealing plug 92, namely, on the premise of complete assembly, one end of the T-shaped shear area 91a is attached to the shear pin mounting hole 34, the other end of the T-shaped shear area 91a is attached to the sealing plug 92, the sealing plug 92 and the shear pin mounting hole 34 are generally connected through threads or knurls, and the degree of freedom of the shear pin 91 in the vertical direction is limited.
A stress area 91b is further arranged in the T-shaped shearing area 91a of the shearing pin 91, and the stress area 91b is used for driving the T-shaped shearing area 91a to generate plastic deformation under the action of external force, so that the shearing pin 91 moves towards the assembly cavity 32 along the shearing pin assembly hole 34 until the lower end surface of the shearing pin abuts against the upper slider 93, namely contacts with the upper surface of the upper slider 93, and is marked as a stress surface 93 a; the shear pin 91 is stopped by the positioning stop 33, the upper slide block 93 is driven by the force to move the lower slide block 94 downwards, so that the buckle spring 95 drives the buckle 96 to be separated from the buckle limiting groove 94c and expand outwards, the surface attached to the safety pin 70 is separated from the safety pin 70, and the effect of releasing the safety pin 70 is achieved. The positioning stop 33 absorbs the remaining kinetic energy, and the main purpose is to stop the positioning, so as to prevent the shear pin 91 from going down to contact the safety pin 70, which results in that the safety pin 70 and the door member 40 cannot be normally disengaged.
As shown in fig. 4, when an abnormal condition occurs in the automobile, a bursting force acts on the stressed area 91b instantly, when the bursting force is transmitted to the T-shaped shearing area 91a, the T-shaped shearing area 91a is subjected to plastic deformation and loses a limiting effect, the shearing pin 91 moves downwards along the axial direction of the shearing pin mounting hole 34 until the lower end surface is attached to the stressed surface 93a, and the bursting force is transmitted to the upper sliding block 93; after the explosive force is transmitted to the upper slide block 93, the upper slide block 93 together with the lower slide block 94 moves downwards along the stress direction until the inner side end surface of the upper slide block reaches the upper surface of the positioning stop 33, which is marked as a first positioning stop surface 33a, and the positioning stop 33 absorbs the residual kinetic energy to stop the movement of the shear pin 91; the lower slider 94 moves downward until abutting against the lower surface of the inner side of the assembly cavity 32, and is marked as an assembly cavity surface III 32c, and loses the limitation on a buckle surface III 96d due to downward movement, and the buckle 96 expands outwards under the resilience of the buckle spring 95 until the side surface of the bottom of the buckle 96 is attached to the side wall of the lower slider 94, namely, the side wall is blocked and limited by the notch of the buckle limiting groove II, and is marked as a buckle stop surface II 96 e. At this time, the safety pin 70 loses the locking force of the second snap surface 96b, the safety pin 70, the door member 40 and other accessories can be taken down along the unlocking direction, the unlocking is completed, and the scissors door can be taken down along with the door member 40.
As further shown in fig. 1, the door member 40 is further provided with a ball stud assembling hole 43 penetrating through the door member 40 along a direction parallel to the unlocking direction, the ball stud 43 is used for assembling the ball stud 80, and the end of the ball stud 80 is riveted to the ball stud assembling hole 43, so that the riveting effect at least ensures that the ball stud 80 is not pulled out under normal conditions; the ball stud 80 is used to connect to the power strut, which is typically fixed to the vehicle body, and to drive the door 40 to rotate about the axis of rotation of the rotating member when the power strut is extended or retracted.
The automobile disclosed by the invention comprises an automobile body, a scissor door and an automobile scissor door hinge, wherein the scissor door is arranged on the automobile body through the automobile scissor door hinge, and when the automobile door cannot be opened due to accidents such as side tilting of the automobile, the direct dismantling of the scissor door can be realized through a safety unlocking device 90 arranged in the automobile scissor door hinge, so that the scissor door does not need to be damaged, and the safe withdrawal of personnel in the automobile is ensured.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be determined by the appended claims.
Claims (7)
1. The automobile scissor door hinge is characterized by comprising an automobile body part, an automobile door part, a first connecting part, a rotating part and a second connecting part, wherein the automobile body part is connected to an automobile body, the automobile door part is connected to a scissor door, one end of the first connecting part is rotatably connected to the automobile body part through the rotating part, and the other end of the first connecting part is connected to the automobile door part through the second connecting part; the vehicle door piece rotates around the rotation axis of the rotating piece through the first connecting piece to drive the scissor door to open and close;
the automobile scissor door hinge further comprises a safety unlocking device, and the safety unlocking device is arranged on the first connecting piece and on the opposite side of the installation side of the automobile door piece; the safety unlocking device is provided with an elastic locking part, and the elastic locking part is connected to the second connecting piece; the elastic locking part is separated from and releases the second connecting piece when acting as an external force, so that the second connecting piece and the vehicle door piece connected with the second connecting piece are sequentially separated from the safety unlocking device and the first connecting piece;
the vehicle door piece is fixedly connected with the first connecting piece through a connecting pin, and a sealing gasket is arranged between the vehicle door piece and the first connecting piece; the end surfaces, close to each other, of the door piece and the first connecting piece are respectively provided with a plurality of connecting pin mounting holes corresponding to the positions, two ends of each connecting pin are respectively pressed on the two connecting pin mounting holes corresponding to the positions on the end surfaces, close to each other, of the door piece and the first connecting piece, and the outer walls of the connecting pins are in interference fit with the connecting pin mounting holes through knurling or interference fit;
the end part of the first connecting piece, which is provided with the safety unlocking device, is also provided with an assembly cavity with an opening facing the safety unlocking device and a cover plate for closing the assembly cavity, and the safety unlocking device is arranged in the assembly cavity;
the second connecting piece is a safety pin with a knurl at one end; defining the releasing direction of the safety pin as an unlocking direction, wherein a safety pin assembling hole penetrating through the vehicle door piece is formed in the vehicle door piece along the unlocking direction, and the safety pin assembling hole extends into the assembling cavity; the safety pin is pressed in the safety pin assembly hole, and the end part of the safety pin, which is not provided with the knurl, sequentially penetrates through the vehicle door part and the rear part of the sealing gasket and is positioned in the assembly cavity; the elastic locking part of the safety unlocking device locks the part of the safety pin in the assembly cavity;
the safety unlocking device further comprises a shear pin;
a positioning stop catch is arranged on the bottom surface, corresponding to the cover plate, in the assembly cavity and is positioned at the mounting side, close to the vehicle body part on the first connecting piece, of the safety pin assembly hole; a shear pin assembly hole penetrating through the first connecting piece is formed in one side, away from the safety pin assembly hole, of the positioning stop, and the central axis of the shear pin assembly hole is perpendicular to the unlocking direction;
defining the direction of assembling the shear pin to the shear pin assembling hole as the vertical direction, wherein the elastic locking part comprises a locking unit, an upper slide block, a lower slide block and an elastic element;
the locking unit is arranged in the assembly cavity and comprises a buckle and a buckle spring; the upper end surface of the buckle is attached to the lower surface of the positioning stop dog, and the lower end of the buckle is clasped to the outer wall of the safety pin; the buckle spring is connected to the opening at the bottom end of the buckle;
the upper sliding block is of a U-shaped groove structure with a downward opening, the upper sliding block is clamped between the upper surface inside the assembly cavity and the upper surface of the positioning stop, and the opening end face of the upper sliding block is arranged as an upper sliding block matching surface;
the positioning stop is positioned in the U-shaped groove structure of the upper sliding block;
the lower sliding block is arranged in a U-shaped groove structure with an upward opening, the lower sliding block is clamped between the lower surface in the assembly cavity and the safety pin, and the opening end face of the lower sliding block is arranged as a lower sliding block matching surface matched with the upper sliding block matching surface; the side walls of the upper sliding block and the lower sliding block are adapted to the inner side wall of the assembly cavity;
the lower end of the lower sliding block is provided with an elastic element assembling hole, a buckle limiting groove and a buckle limiting groove II, the elastic element assembling hole is positioned on the lower surface of the lower sliding block groove, the elastic element is installed in the elastic element assembling hole in an adaptive mode, and the elastic element is in a compressed state; the buckle limiting groove is positioned on the upper surface of the lower slider groove bottom, the buckle bottom end is arranged in the buckle limiting groove in an adaptive mode, and the buckle spring is in a compressed state; the buckle limiting groove II is arranged on the side, close to the vehicle door part, of the lower sliding block, the outer edge of the notch of the buckle limiting groove II extends towards the inside of the U-shaped groove structure, and the buckle limiting groove II is used for limiting the buckle to expand outwards towards two side walls of the upper sliding block and the lower sliding block when the bottom end of the buckle is separated from the buckle limiting groove, so that abnormal sound caused by collision between the buckle and the two side walls of the upper sliding block and the lower sliding block is avoided;
the end part, far away from the assembly cavity, of the shear pin is provided with a T-shaped shearing area, the T-shaped shearing area is matched with the shear pin assembly hole through a sealing plug, and the sealing plug is connected with the shear pin mounting hole through threads or knurls;
a stress area is further arranged in the T-shaped shearing area of the shearing pin and used for driving the T-shaped shearing area to generate plastic deformation under the action of external force, and the shearing pin moves towards the assembly cavity along the shearing pin assembly hole until the lower end face of the shearing pin abuts against the upper sliding block; the upper sliding block is driven by the stress to move downwards, so that the buckle spring drives the buckle to be separated from the buckle limiting groove and expand outwards, and the safety pin is released.
2. The automobile scissor door hinge according to claim 1, wherein the body member is provided with a slot extending along the rotation axis direction of the rotating member, and two slot walls of the slot along the rotation axis direction of the rotating member are respectively provided with a first through hole penetrating through the slot walls;
the end part of the first connecting piece, which is connected with the vehicle body piece, is arranged in the clamping groove, and a second through hole which penetrates through the end part of the first connecting piece is arranged at the position, corresponding to the first through hole, of the end part of the first connecting piece, and the second through hole is coaxial with the first through hole;
the rotating part comprises a rotating pin, a first bushing and a second bushing, the first bushing and the second bushing are sequentially installed in two first through holes of the clamping groove, the rotating pin sequentially penetrates through the first bushing, the second through hole and the second bushing along the direction of the rotation axis of the rotating pin, and the rotating pin is in knurling fit or interference fit with the second through hole of the first connecting piece.
3. The automotive scissor door hinge of claim 1, wherein the resilient element is a compression spring; two elastic element assembling holes are symmetrically formed in the lower surface of the lower slider groove along the direction perpendicular to the vertical direction, one end of the compression spring is arranged in each elastic element assembling hole, and the other end of the compression spring is connected to the lower surface in the assembling cavity.
4. The automotive scissor door hinge of claim 1, wherein the cover plate is bolted to the first connector.
5. The automobile scissor door hinge according to claim 1, wherein the length of the safety pin is such that when the safety pin is completely pressed into the safety pin mounting hole, the end surface of the safety pin located in the mounting cavity is flush with the end surface of the mounting cavity close to the cover plate.
6. The automotive scissor door hinge according to claim 1, wherein the door piece is further provided with a ball stud mounting hole penetrating through the door piece in a direction parallel to the unlocking direction, the ball stud mounting hole is used for mounting a ball stud, and the end of the ball stud is riveted to the ball stud mounting hole; the ball pin is used for connecting the electric stay bar and driving the car door piece to rotate around the rotating axis of the rotating piece when the electric stay bar extends or shortens.
7. Automotive vehicle comprising a vehicle body, a scissor door and an automotive scissor door hinge, the scissor door being mounted to the vehicle body by the automotive scissor door hinge, characterized in that the automotive scissor door hinge is an automotive scissor door hinge according to any of claims 1-6.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011443794.0A CN112647791B (en) | 2020-12-08 | 2020-12-08 | Car scissors door hinge and car |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011443794.0A CN112647791B (en) | 2020-12-08 | 2020-12-08 | Car scissors door hinge and car |
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| CN112647791A CN112647791A (en) | 2021-04-13 |
| CN112647791B true CN112647791B (en) | 2022-04-29 |
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| CN202011443794.0A Active CN112647791B (en) | 2020-12-08 | 2020-12-08 | Car scissors door hinge and car |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016833B (en) * | 2021-09-30 | 2023-02-24 | 佛山佐尔汽车部件有限公司 | Hinge for scissor door of automobile |
| CN114718402B (en) * | 2021-10-27 | 2023-08-15 | 广东东箭汽车智能系统有限公司 | Door connection hinge and vehicle |
| CN114635613B (en) * | 2022-04-26 | 2024-04-09 | 浙江吉利控股集团有限公司 | Door hinge device and car |
| CN115045580A (en) * | 2022-06-14 | 2022-09-13 | 重庆长安汽车股份有限公司 | Scissor door hinge mounting position holding structure |
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| CN112647791A (en) | 2021-04-13 |
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