CN106639691B

CN106639691B - Vehicle door mounting structure with damping type hinge

Info

Publication number: CN106639691B
Application number: CN201611257303.7A
Authority: CN
Inventors: 陈世江
Original assignee: Chongqing College of Electronic Engineering
Current assignee: Chongqing College of Electronic Engineering
Priority date: 2016-12-30
Filing date: 2016-12-30
Publication date: 2020-05-19
Anticipated expiration: 2036-12-30
Also published as: CN106639691A

Abstract

The invention discloses a vehicle door mounting structure with a damping type hinge, which comprises a vehicle door, a door frame and the damping type hinge for connecting the vehicle door and the door frame, wherein the damping type hinge comprises a movable part which is fixedly connected with the vehicle door and is connected with the vehicle door through the movable part, a fixed part is connected with the door frame, a pin shaft is vertically arranged on the movable part, a cam is detachably sleeved on the pin shaft, a flange of the cam is in a smooth transition step type structure, the fixed part is movably mounted on the pin shaft, a groove which is matched with the cam is arranged on the end surface of the fixed part at the position corresponding to the cam, the cam is embedded into the groove, the fixed part is provided with a mounting hole which is communicated with the groove, a spring and an ejector rod are mounted in the mounting hole, one end of the ejector. By adopting the structure, the door is continuously subjected to resistance brought by the compression spring in the opening and closing process, and the structure can ensure that the resistance is changed in a step manner, effectively control the opening and closing speed of the door and improve the safety performance.

Description

Vehicle door mounting structure with damping type hinge

Technical Field

The invention belongs to the field of automobile door assembling structures, and particularly relates to an automobile door mounting structure with a damping type hinge.

Background

The traditional automobile door is mainly installed by connecting two hinges serving as connecting pieces with a door frame of an automobile body, so that the gravity supporting effect is achieved on the automobile door, meanwhile, the hinges serving as the centers of rotating shafts can enable the automobile door to rotate around the hinges to open or close the automobile door, and an automobile door limiting stopper is additionally arranged between the automobile door and the door frame to limit the opening degree of the automobile door.

The car door installed according to the structure completely depends on the stopper to limit the opening degree of the car door, and in daily life, when the car door is opened, the car door can be opened to the maximum suddenly, particularly when the vehicle is positioned on an inclined downhill and pushes the vehicle door open, the vehicle door can be opened quickly under the component force of the downward gravity, the pulling of the limiter causes fatigue damage to the limiter, shortens the service life, sometimes even causes the rebound closing of the car door because of overlarge pulling force of the limiter, possibly causes the clamping injury to the passengers getting off the car, has unsafe factors, when the door is closed, the door frame is impacted in dream by too hard force, the door is deformed for a long time, or people getting off the vehicle later can be injured, and people pay more and more attention to health and safety along with the improvement of living standard, so that the traditional mounting structure can not meet the pursuit of quality of people.

Disclosure of Invention

In order to solve the technical problems, optimize the vehicle door mounting structure and improve the overall safety, the invention provides the vehicle door mounting structure with the damping type hinge.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a take door mounting structure of damping formula hinge, includes including the door and is used for connecting this door and installs the damping formula hinge of automobile body door frame, its main points lie in: the damping type hinge comprises a movable piece fixedly connected with a vehicle door and a fixed piece fixedly connected with a vehicle body door frame;

one end of the moving part is arranged on the vehicle door, the other end of the moving part is vertically and fixedly provided with a pin shaft, a cam is detachably sleeved on the pin shaft, and a flange of the cam is of a smooth transition stepped structure;

one end of the fixing piece is installed on the doorframe of the vehicle body, the other end of the fixing piece is movably installed on the pin shaft, a groove which is suitable for the cam is formed in the end face of the fixing piece at the position corresponding to the cam, and the cam is embedded into the groove;

the fixing piece is provided with a mounting hole which is communicated with the groove, a spring and an ejector rod are mounted in the mounting hole, one end of the ejector rod extends into the groove and is contacted with the flange of the cam, and the other end of the ejector rod is abutted to the spring;

the automobile door mounting structure adopting the structure has the advantages that the moving part is mounted on the automobile door, the fixing part is mounted on the automobile body, the moving part is driven to rotate in the process of opening or closing the automobile door, meanwhile, the pin shaft rotates, and the ejector rod continuously exerts resistance on the cam under the action of the elastic pressure of the spring so as to exert counterforce on the automobile door. And adopt the flange to be the cam of smooth transition's cascaded structure, can make the reaction force of spring be the ladder and adjust, when the highest point at the ladder flange, the resistance is the biggest, thereby it is strongest to door pivoted resistance suppression effect, can effectively avoid using too big directly to open the door to the biggest when opening the door, the loss door stopper, reduce the probability of door bounce-back simultaneously, improve the security performance, when the door is closed simultaneously, the resistance effect can effectively reduce door closing speed, reduce the impact of door and door frame, reduce door deformation or fatigue damage.

Preferably, the method comprises the following steps: the flange of the cam comprises a first bulge, a second bulge and a third bulge, wherein the heights of the first bulge, the second bulge and the third bulge are gradually increased in a step shape, and the first bulge, the second bulge and the third bulge are transited through smooth arc surfaces. Structure more than adopting, the flange one-level of cam up increases, when can apply more and more big resistance to the door, because there is the linkage segment between the three, forms the bealock, and the ejector pin is bigger at the lateral resistance that receives on the flange relatively when moving on the linkage segment, also plays the limiting action to the door motion trend that opens and shuts.

Preferably, the method comprises the following steps: the fixed part and the moving part are connected through a pin shaft, a concave notch is formed in the end face, attached to the moving part, of the fixed part, a limiting block matched with the notch is arranged at the corresponding position on the moving part, and the limiting block extends into the notch. Structure more than adopting, when the moving part rotates, the stopper can only be at the within range motion that the breach restricted, during the design, can design the scope of breach according to the maximum aperture of the stopper of automobile body installation to the formation of restriction stopper, like this when the door is opened, the door stopper has not reached maximum aperture yet, the stopper has contacted with the tip of breach, makes the door can not continue to open, thereby plays the guard action to the door stopper.

Preferably, the method comprises the following steps: the movable piece is provided with an extension part A vertically extending towards the lower side of the cam, a through hole A used for being fixedly installed with a vehicle door is formed in the extension part A, the fixed piece is provided with an extension part B vertically extending towards the upper side of the cam, and a through hole B used for being fixedly installed with a door frame is formed in the extension part B. By adopting the structure, the strength of the connecting parts of the moving part and the fixing part with the vehicle door and the vehicle body respectively is increased, the service life of the structure is prolonged, and the installation is convenient.

Preferably, the method comprises the following steps: the inner wall of one end, close to the groove, of the mounting hole is provided with an inward protruding step, and the ejector rod is provided with a shaft shoulder matched with the step A. By adopting the structure, when the ejector rod moves towards the groove end under the action of the spring, the shaft shoulder is contacted with the step and stops moving towards the groove end, so that the ejector rod is prevented from stretching into the groove part too much under the condition of overlarge elastic restoring force or overlarge inertia and is positioned on one side of the cam to clamp the cam, and the cam cannot rotate.

Preferably, the method comprises the following steps: the mounting hole is horizontally arranged, one end of the mounting hole is communicated with the groove, the other end of the mounting hole penetrates through the end face of one side of the fixing piece and is sealed by an end cover, and the end cover is in threaded fit with the mounting hole; one end of the ejector rod, which is close to the end cover, is provided with a connecting hole extending along the axis, one end of the spring is embedded into the connecting hole, and the other end of the spring is abutted to the end cover. By adopting the structure, the ejector rod and the spring can be sequentially and directly installed in the installation hole from the side opening, the limiting structure in front of the ejector rod is limited, the spring is fixedly supported by the rear end cover, the installation is convenient, the length of the spring can be selected and changed according to different requirements, the spring is ensured to be in a compression dead point when the cam rotates to the position which is not at the highest dead point, the spring can not be compressed, and the cam is prevented from rotating to the other side of the flange.

Preferably, the method comprises the following steps: the end part of the ejector rod, which is contacted with the cam flange, is of a smooth cambered surface structure. By adopting the structure, the ejector rod can move on the flange of the cam more easily, and the phenomenon of locking can not occur.

Preferably, the method comprises the following steps: the hinge pin and the movable part are integrally formed, a screw hole is formed in the end portion of the hinge pin, a locking bolt matched with the screw hole is configured, and the hinge pin penetrates through the fixing part and is axially limited through the locking bolt. Structure more than adopting, round pin axle and moving part integrated into one piece have reduced the process that rigid fixed connection need process cooperation structure, carry out axial spacing, simple structure, the installation of being convenient for to the mounting through the locking bolt.

Preferably, the method comprises the following steps: the cam is connected with the pin shaft key. By adopting the structure, the two are matched through the key, the assembly is rapid, the processing and the manufacturing are simple, and the cost is lower.

Preferably, the method comprises the following steps: the damping hinges are at least two groups and are symmetrically arranged on the upper side and the lower side of the vehicle door limiter. Adopt above structure: the two groups of damping hinges are adopted to increase the supporting strength of the vehicle door, and when the vehicle door is opened, the resistance for restraining the movement of the vehicle door is larger, and the action effect is more obvious.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a vehicle door mounting structure with a damping hinge, when a vehicle door is opened or closed, a movable part is driven to rotate, a pin shaft is driven to rotate, so that a cam has a rotation trend, when the cam needs to rotate, a mandril is inevitably pressed against the mandril, the mandril compresses a spring connected with the bottom end to overcome the pressure of the spring, in the process, the spring can continuously apply a counterforce to the cam to inhibit the cam from rotating and simultaneously acts on the movable part, and the movable part is connected with the vehicle door, so that the continuous resistance is directly acted on the vehicle door to counteract and inhibit the force for opening the vehicle door, the condition that the vehicle door is directly opened to the maximum by using excessive force when the vehicle door is opened is avoided, a vehicle door limiter is damaged, and the resistance is increased when the vehicle door is opened by adopting the cam with a flange in a step-type smooth transition, the rotating speed of the car door when being opened can be further relatively reduced, the probability of car door rebounding is reduced, the safety performance of the car door installation structure is improved, and when the car door is closed, the car door closing speed can also be reduced to a certain degree because of the existence of resistance, the impact force of the car door and a car door frame is reduced, and the probability of deformation and fatigue damage of the car door and the car door frame is reduced.

Drawings

FIG. 1 is a schematic view of a connection structure of a solid member and a pin according to an embodiment of the present invention;

FIG. 2 is a vertical cross-section of the embodiment of FIG. 1 showing a damped hinge;

FIG. 3 is a schematic view of the cam of the embodiment of FIG. 1;

FIG. 4 is a perspective view of the embodiment of FIG. 1 showing a damped hinge;

FIG. 5 is an installation diagram of an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples.

Referring to fig. 1 to 4, the door mounting structure with a damped hinge shown in fig. 1 mainly includes a door 1, a door frame 2 on a vehicle body, and a damped hinge 3 connected to both.

Damping formula hinge 3 includes moving part 4 and the mounting 5 that the level set up, the one end of moving part 4 has the vertical decurrent round pin axle 41 of integrated into one piece, the tip processing of round pin axle 41 has screw 411, the cover is equipped with cam 42 on the round pin axle 41, cam 42's flange is smooth transition's cascaded structure, in this embodiment, cam 42's flange includes three highly protruding one portion 421 that increase gradually in proper order, protruding two portions 422 and protruding three portions 423, through smooth cambered surface transitional coupling between the three, the linkage segment forms the bealock structure of relative depressed.

The pin shaft 41 is connected with the cam 42 in a key mode, in the embodiment, the pin shaft is fixedly installed in a matched mode through a conical external spline 413 arranged on the outer wall of the pin shaft 41 and a suitable internal spline on the cam 42, the other end of the movable piece 4 is provided with an extending portion A43 extending vertically downwards, and two through holes A431 aligned vertically are formed in the extending portion A43.

One end of the fixing member 5 is movably arranged on the pin shaft 41 below the cam 42 in a penetrating manner, and penetrates through the screw hole 411 for axial limiting through the locking bolt 412, so that the fixing member is prevented from being separated from the pin shaft 41 and can only rotate relative to the pin shaft 41, the other end of the fixing member 5 is provided with an extending part B55 extending towards the upper side of the cam 42, and two vertically aligned through holes B551 are formed in the extending part B55.

The end face of the upper surface of the fixing part 5, facing the bottom surface of the cam 42, is provided with a groove 51 which is matched with the cam 42, the fixing part 5 is provided with a mounting hole 52 which is horizontally facing the groove 51 and extends outwards, one end of the mounting hole 52 is communicated with the groove 51, the other end of the mounting hole penetrates out of the end face of one side of the fixing part 5, which is far away from the pin shaft 41, so that a structure with two open ends is formed, the cam 42 is embedded into the groove 51, and one side with a flange is closer to the mounting hole 52.

After the cam 42 is embedded into the groove 51, the fixing member 5 and the movable member 4 are attached to each other at the coaxial end face, a section of notch 50 which is recessed downwards is arranged on the attachment face on the fixing member 5, the limiting block 40 which extends downwards is arranged on the attachment face of the movable member 4, and the limiting block 40 extends into the notch 50, so that the limiting block 40 is limited to move only in the range of the notch 50, namely, the rotation stroke of the movable member 4 is limited, and the notches 50 with different stroke sizes can be designed according to the model of the door check device.

An end cover 6 used for sealing the mounting hole is arranged at an opening of one end of the mounting hole 52 far away from the pin shaft 41, the end cover 6 is in threaded fit with the mounting hole 52, a push rod 54 and a spring 53 are arranged in the mounting hole 52, one end of the push rod 54 extends into the groove 51 and is in contact with a flange of the cam 42, the contact end of the push rod 54 and the cam 42 is in a smooth arc surface structure, a connecting hole 542 extending horizontally is arranged in the other end of the push rod, one end of the spring 53 is embedded into the connecting hole 542, and the other end of the spring.

The inside of one end of mounting hole 52 near recess 51 is equipped with step 521 that inwards protrudes, and the epaxial shoulder 541 that is far from step 521 and is close to end cover 6 that is equipped with of ejector pin 54, and step 521 suits with shoulder 541, moves in recess 51 when ejector pin 54, and shoulder 541 moves towards step 521 simultaneously, and when both contacts, step 521 can prevent its continuation forward motion to make ejector pin 54 stop the motion, prevent that ejector pin 54 from stretching into recess 51 too much, be in one side of cam 42, deadly block cam 42, make it unable to rotate.

During installation, firstly, according to the rotation stroke of the flange of the cam 42, an appropriate spring 53 is selected and then is installed into the installation hole 52 together with the ejector rod 54, then the end cover 6 is screwed to ensure that the spring 53 is in a compressed state, and ensure that when the cam 42 rotates, the ejector rod 54 slides relatively to the highest dead point of the cam 42 along the flange of the cam 42, the ejector rod 54 is retracted into the installation hole 52 to compress the spring 53 again, when the spring 53 is in the compression dead point, the ejector rod 54 is not in contact with the highest dead point position of the cam 42, namely the ejector rod 54 is positioned on one side of the flange, and the phenomenon that the ejector rod 54 is blocked and cannot rotate when in contact with the highest dead point of the cam 42 is avoided.

Then two groups of damping hinges 3 are symmetrically arranged on the upper side and the lower side of a vehicle door stopper 7, a movable part 4 of each damping hinge 3 is fixed on a vehicle door 1 through a through hole A431 by a bolt, and a fixed part 5 is arranged on a door frame 2 through a through hole B551;

as shown in the schematic diagram of the left-side vehicle door installation structure shown in fig. 5, in the process of opening the vehicle door 1, when the vehicle door 1 rotates clockwise, the movable member 4 is driven to drive the pin shaft 41 to rotate together, so that the cam 42 also rotates clockwise, the cam 42 needs to rotate, and the ejector 54 is certainly pressed against the compression spring 53 first, and in the process, the spring 53 applies a resistance force with a reverse action to the cam 42, the force applied to the cam 42 can be directly applied to the vehicle door 1, namely, the resistance force caused by the compression spring 53 in the process of opening the vehicle door, because a stepped structure with flanges in smooth transition is adopted, the resistance force applied to the vehicle door 1 in the opening process can be increased, and when the ejector 54 contacts with a beagle structure formed by connecting sections on the flanges, the lateral resistance force can also be increased, the opening speed of the vehicle door 1 can be reduced, and the force applied to open the vehicle door 1 to a limit position with, the power of dragging is great to door stopper 7, cause its fatigue loss great, the life of door stopper 7 has been prolonged, again because the breach 50 on mounting 5 cooperates with stopper 40 on the moving part 4, can further restrict the aperture of door 1, play the guard action to door stopper 7, can avoid the power too big simultaneously, door 1 opens the back fast and acts on again the bounce-back and closes under door stopper 7's pulling force, the risk of preparing the passenger of getting off can be hindered to the clamp, the potential safety hazard is reduced, the security performance of integral erection structure is improved.

In the process of closing the vehicle door 1, the vehicle door 1 rotates anticlockwise, because the ejector rod 54 is always abutted to the flange of the cam 42, the compression spring 53 can continuously receive the resistance action of the compression spring 53, the closing speed of the vehicle door 1 can also be limited to a certain extent, the speed of the vehicle door 1 is gradually reduced, the impact force of the vehicle door 1 and the door frame 2 is reduced, the deformation or fatigue damage of the vehicle door 1 is reduced, the service life is prolonged, meanwhile, the injury to the following passengers getting off the vehicle is reduced, and the resistance is gradually reduced, and the normal closing of the vehicle door 1 cannot be influenced.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims

1. A door mounting structure with a damped hinge, comprising a door (1) and a damped hinge (3) for connecting and mounting the door (1) to a door frame (2) of a vehicle body, characterized in that: the damping hinges (3) are at least two groups and are symmetrically arranged on the upper side and the lower side of the vehicle door limiter, and each damping hinge (3) comprises a moving part (4) fixedly connected with a vehicle door (1) and a fixing part (5) fixedly connected with a vehicle body door frame (2);

one end of the movable piece (4) is arranged on the vehicle door (1), the other end of the movable piece is vertically and fixedly provided with a pin shaft (41), a cam (42) is detachably sleeved on the pin shaft (41), the two are connected in a key mode, and a flange of the cam (42) is of a smooth transition stepped structure;

one end of the fixing piece (5) is installed on the car body door frame (2), the other end of the fixing piece is movably installed on the pin shaft (41), a groove (51) which is matched with the cam (42) is formed in the end face of the fixing piece at the position corresponding to the cam (42), and the cam (42) is embedded into the groove (51);

the fixing piece (5) is provided with a mounting hole (52), the mounting hole (52) is communicated with the groove (51), a spring (53) and a push rod (54) are mounted in the mounting hole (52), one end of the push rod (54) extends into the groove (51) and is in contact with the flange of the cam (42), and the other end of the push rod (54) is abutted to the spring (53);

the inner wall of one end, close to the groove (51), of the mounting hole (52) is provided with a step (521) protruding inwards, and the ejector rod (54) is provided with a shaft shoulder (541) matched with the step (521);

the flange of the cam (42) comprises a first protruding part (421), a second protruding part (422) and a third protruding part (423), the heights of the first protruding part (421), the second protruding part (422) and the third protruding part (423) are sequentially increased in a step shape, the first protruding part, the second protruding part and the third protruding part are in smooth arc surface transition, after the fixed piece (5) is connected with the moving piece (4) through a pin shaft (41), a concave notch (50) is formed in the end face, attached to the moving piece (4), of the fixed piece (5), a limiting block (40) matched with the notch (50) is arranged in the corresponding position on the moving piece (4), and the limiting block (40) extends into the notch (50);

the movable member (4) has an extension A (43) extending vertically toward the lower side of the cam (42), the extending part A (43) is provided with a through hole A (431) used for being installed and fixed with the vehicle door (1), the fixing member (5) has an extension part B (55) vertically extending toward the upper side of the cam (42), the extending part B (55) is provided with a through hole B (551) used for being installed and fixed with the door frame (2), the installation hole (52) is horizontally arranged, one end of the fixing piece is communicated with the groove (51), the other end of the fixing piece penetrates through the end surface of one side of the fixing piece (5), and is closed by an end cover (6), the end cover (6) is in threaded fit with the mounting hole (52), one end of the ejector rod (54) close to the end cover (6) is provided with a connecting hole (542) extending along the axis, one end of the spring (53) is embedded into the connecting hole (542), and the other end of the spring is abutted against the end cover (6);

the end part of the ejector rod (54) in contact with the flange of the cam (42) is of a smooth cambered surface structure, the pin shaft (41) and the movable piece (4) are integrally formed, a screw hole (411) is formed in the end part of the pin shaft (41), a locking bolt (412) which is matched with the screw hole (411) is configured, and the pin shaft (41) is axially limited through the locking bolt (412) after penetrating through the fixed piece (5).