CN203515106U

CN203515106U - Integration stepless type car door stopper

Info

Publication number: CN203515106U
Application number: CN201320582470.4U
Authority: CN
Inventors: 蒋康宁; 陈芳芳
Original assignee: Zhejiang Taihong Machinery & Electronics Co Ltd
Current assignee: Zhejiang Taihong Machinery & Electronics Co Ltd
Priority date: 2013-09-18
Filing date: 2013-09-18
Publication date: 2014-04-02
Anticipated expiration: 2023-09-18

Abstract

The utility model provides an integration stepless type car door stopper, and belongs to the technical field of cars. The integration stepless type car door stopper solves the technical problems that a car door stopper in the prior art can not be limited in a stepless mode, and collision or impact can happen to car doors easily due to swing. The stopper comprises a car body plate and a car door plate, and the car body plate is provided with a first mounting hole. The stopper further comprises a brake axle and a stop pin. External threads are arranged on the outer side face of the brake axle, internal threads are arranged on the inner side face of the first mounting hole, and the brake axle is connected into the first mounting hole in an inserting mode. The brake axle is provided with a conical counter bored hole, the outer end of the brake axle is fixed with the circumferential direction of the car door plate, and the brake axle and the stop pin are inserted inside from the two ends of the first mounting hole respectively and are oppositely arranged. The outer end of the stop pin is fixedly connected with the car body plate, a conical head is arranged at the inner end of the stop pin, and the conical head is partially connected into the conical counter bored hole in an inserting mode. According to the integration stepless type car door stopper, stepless limiting can be achieved, and the service life of a car door is long.

Description

A kind of integrated stepless car door limiter

Technical field

The utility model belongs to automobile technical field, relates to a kind of integrated stepless car door limiter.

Background technology

Automobile door stopper is mainly used in limiting the degree of car door opening, and it can limit the maximum opening of car door, prevents that car door from opening too much.

China patent CN 102041936A discloses a kind of car door hinge structure that is integrated with stop, comprise and rotate hinge and holder, rotate hinge and holder hinged by hinge rotating shaft, rotate on hinge and offer the fixedly screw of inner plate of car door, on holder, offer the fixedly screw of body frame; Also comprise being arranged on and rotate the postioning abutment on hinge and be arranged on the torsion bar on holder, postioning abutment one end is fixed on rotates on hinge, and postioning abutment is hinged in hinge rotating shaft; On postioning abutment, be provided with one group of gear concave arc; This group gear concave arc is three continuous concave arcs, and torsion bar one end is fixed on holder, and the other end is free end, and the free end of torsion bar contacts with the concave arc on postioning abutment.When the rotation hinge on body hinge rotates around hinge rotating shaft in door switch process, the postioning abutment of car door contacts with torsion bar, rotation along with the rotation hinge on body hinge, the position of three concave arcs that the corresponding postioning abutment one end that enters car door of torsion bar meeting is offered, enter three gear positions of the postioning abutment of car door, thereby utilize the spacing work of keying of three concave arc positions formation doors of the torsional deformation of torsion bar and the postioning abutment of car door.

But, in above-mentioned opening/closing door of vehicle process, only at gear place car door, can park, and car door can freely swing when non-gear, the first gear door closing state of for example mentioning in above-mentioned patent, during the second gear, car door opening angle is 35～40 degree, and during third gear, car door opening angle is 65～70 degree.Narrow and small when vehicle parking space, the maximum angle that can open by spatial limitation car door is less than 35 while spending, and the stop in above-mentioned patent can not be realized position-limiting action, is easy to car door to break when passenger opens the door; And also easily because dynamics is excessive, cause car door larger to the impact of vehicle body at closing time, cause car door lower application life.

Summary of the invention

The utility model is the problems referred to above that exist for existing technology, a kind of integrated stepless car door limiter is provided, technical problem to be solved in the utility model is: how stepless spacing by car door can be realized under any opening angle, avoid car door bump or impact because swinging, improve the application life of car door.

The purpose of this utility model can realize by following technical proposal:

A kind of integrated stepless car door limiter, this stop comprises the vehicle body leaf panel being connected on vehicle side and is connected in the car door page plate on car door, in described vehicle body leaf panel, there is installing hole one, it is characterized in that, this stop also comprises brake axle and latch, the lateral surface of described brake axle has external screw thread, the medial surface of described installing hole one has internal thread, described brake axle is plugged in described installing hole one and described external screw thread and described internal thread bolt, the inner of described brake axle is positioned at described installing hole one and has the taper counterbore coaxial with brake axle, the outer end of described brake axle and described car door page plate are circumferentially fixing, the inner of described latch is also plugged in described installing hole one, described brake axle and latch insert and are from the two ends of installing hole one respectively and be oppositely arranged, the outer end of described latch is fixedly connected with described vehicle body leaf panel, the inner of described latch is for having flexible conical head, described conical head is partly plugged in described taper counterbore, the large port footpath of described taper counterbore is greater than the small end bore of conical head and is less than the large port footpath of this conical head.

Its operating principle is as follows: propelling vehicle car door when passenger needs opening car door, make the axial wobble of car door page plate coiling moving axis, the brake axle being fixed on car door page plate synchronously rotates, because brake axle is threaded with installing hole one, when brake axle rotates, brake axle can axially move towards the direction of latch along self; Because the inner of latch is for having flexible conical head, and conical head is partly plugged in the taper counterbore of brake axle, so when brake axle moves towards latch direction, the frictional force between conical head and taper counterbore increases gradually; Car door in the utility model is no matter under what opening angle, frictional force between conical head and taper counterbore all exists, thereby it is stepless spacing that car door can be realized under any opening angle, avoid car door bump or impact because swinging, improve the application life of car door; And when automobile in go up a slope or environment that wind-force is larger in, even if car door is being opened, be also difficult for, because self gravitation or wind-force cause car door to be closed voluntarily, car door is caused to damage; And Ben Chemen is along with the continuous increase of opening angle, frictional force between conical head and taper counterbore increases gradually, also make the resistance that opens the door large gradually, make passenger's the feel of opening the door better, also avoid excessively causing car door opening to cross ambassador's car door damaging because exerting oneself simultaneously.

In above-mentioned a kind of integrated stepless car door limiter, the shank bore of described latch is less than the large port footpath of described conical head, the outer end of described latch extends to the outside of installing hole one, between described installing hole one and the shank of latch, there is annular gear edge, the outer end of described latch is bolted with locknut, described locknut is resisted against on the outer face of described installing hole one, and the large end end face of described conical head is resisted against on the inner face on described annular gear edge.Latch when mounted, can first pass installing hole one by latch outer end, then tightens locknut, the large end end face of conical head is tightly resisted against on the inner face on annular gear edge, can realize fixing between latch and vehicle body leaf panel, convenient to operation, and later period maintenance is convenient; And be designed with locknut, can prevent the loosening abnormal sound that occurs of latch in stop use procedure.

In above-mentioned a kind of integrated stepless car door limiter, on the small end end face of described conical head, offer along the open slot of described latch axial distribution, described open slot runs through the side of described conical head.Because conical head has elasticity, when car door opening, the extruding that the side of conical head is subject to taper counterbore can deform, and is designed with after open slot, and the side of conical head has a trend of shrinking to circle centre position when being squeezed; And if do not offer open slot on conical head, conical head can only produce by the elasticity of self micro-elastic deformation after pressurized, when car door opening angle is larger, can make the frictional force between conical head and taper counterbore large especially, do not utilize the normal unlatching of car door, and conical head is frequently subject to larger pressure and deformation, easily produces fatigue failure, thereby make the working life of stop integral body lower; Therefore, offer after open slot, can improve the application life of this car door limiter.

In above-mentioned a kind of integrated stepless car door limiter, on described car door page plate, there is installing hole two, the outer end of described brake axle is plugged in described installing hole two, on described brake axle, also there is a shaft shoulder, the outer face of the described shaft shoulder is resisted against on the inner face of described installing hole two, is provided with the location structure that prevents that both from circumferentially rotating between the described shaft shoulder and car door page plate; Between the inner face of the inner face of the described shaft shoulder and described installing hole one, there is gap, and when the position of arrangements for automotive doors in opening angle maximum, the inner face of the described shaft shoulder is resisted against on the inner face of described installing hole one.When arrangements for automotive doors is in closing or during non-maximum opening angle position, having gap between the inner face of the shaft shoulder and the inner face of installing hole one, for brake axle, rotate axially-movable simultaneously; And when the position of arrangements for automotive doors in opening angle maximum, the inner face of the shaft shoulder is resisted against on the inner face of installing hole one, can play good position-limiting action, even if brake axle can not move towards latch direction again, and then the one-directional rotation of restriction brake axle, thereby make arrangements for automotive doors can not continue to open, on the position in opening angle maximum, avoid arrangements for automotive doors unrestrictedly beat and scratch car door or vehicle body, the application life of improving car door.

In above-mentioned a kind of integrated stepless car door limiter, as a kind of scheme, described location structure comprises the draw-in groove being opened on described installing hole two inner faces, has the reinforcing rib with the clamping of described draw-in groove phase on the outer face of the described shaft shoulder.Be designed with after draw-in groove and reinforcing rib, due to both mutual clampings, can effectively prevent from occurring circumferentially to rotate between the shaft shoulder and car door page plate, thereby make brake axle can synchronize and rotate with car door page plate; And both mutual clampings, its assembling and positioning is convenient, and assembly precision is high; On the shaft shoulder, be designed with reinforcing rib, both made reinforcing rib can play clamping positioning action, can play good booster action again, improve the mechanical strength of the shaft shoulder and brake axle integral body, and then improve the application life of car door limiter integral body.

In above-mentioned a kind of integrated stepless car door limiter, on the inner face of the described shaft shoulder, there is an annular protrusion, described installing hole one is a stepped hole, described stepped hole comprises that the internal diameter in the Yi He duct, duct two that is connected and described duct two is greater than the internal diameter in duct one, between Er Yu duct, described duct one, form a step surface, described annular protrusion is plugged in described duct two, in described duct two, also interlocking has an O type circle one, and the both ends of the surface of described O type circle one lean with the outer face of described step surface and annular protrusion respectively.Between annular protrusion and step surface, be designed with after O type circle one, can either play good sealing function, avoid extraneous dust, oil stain to enter stop inside, prevent from, between brake axle and installing hole one, clamping stagnation occurs; O type circle one can play good cushioning effect simultaneously, and, when door opening degree increases gradually, elastic deformation can occur O type circle one, avoids annular protrusion directly to contact with step surface and produces wearing and tearing, the application life of improving car door limiter integral body.

In above-mentioned a kind of integrated stepless car door limiter, in described installing hole two, be also plugged with trip bolt, described trip bolt the inner is screwed onto on the outer face of described brake axle, the outer end of described trip bolt extends to the outside of described installing hole two, and the outer end of this trip bolt has nut, described nut is resisted against on the outer face of installing hole two.Be designed with after trip bolt, during assembling, trip bolt be bolted in installing hole two, and the outer face of nut and installing hole two is leant, thereby realize the assembling of brake axle.

In above-mentioned a kind of integrated stepless car door limiter, described conical head adopts nylon to make, and described brake axle, car door page plate and vehicle body leaf panel are metalwork.Good springiness and the cost of production of nylon are low, can reduce the cost of production of car door limiter integral body, are suitable for batch production.

In above-mentioned a kind of integrated stepless car door limiter, described trip bolt also comprises the screw rod being connected with described nut, on the sidewall of described screw rod, offer external screw thread, on the outer face of described brake axle, offer a screwed hole with described screw rod bolt; Between described screw rod and nut, have one section of spiral shell neck, it is conical that described spiral shell neck is, and the place, outer end of described installing hole two offers a tapered opening, and described spiral shell neck is plugged in tapered opening and reclines mutually with the sidewall of this tapered opening.When during assembling, screw rod is plugged in screwed hole, spiral shell neck reclines mutually with the sidewall of tapered opening, can play guiding and positioning action, improves the installation convenience of trip bolt.

Compared with prior art, the utlity model has following advantage:

1, the car door in the utility model is no matter under what opening angle, frictional force between conical head and taper counterbore all exists, thereby it is stepless spacing that car door can be realized under any opening angle, avoid car door bump or impact because swinging, improve the application life of car door;

2, on the conical head in the utility model, be designed with after open slot, the side of conical head has a trend of shrinking to circle centre position when being squeezed, and makes the application life of this car door limiter higher;

3, in the utility model when the position of arrangements for automotive doors in opening angle maximum, one end face of the shaft shoulder is resisted against on the inner face of installing hole one, the one-directional rotation of restriction brake axle, thereby make arrangements for automotive doors can not continue to open, on position in opening angle maximum, avoid arrangements for automotive doors unrestrictedly beat and scratch car door or vehicle body, the application life of improving car door;

4, between the annular protrusion in the utility model and step surface, be designed with O type circle one, can either play good sealing and dustproof effect, can play good cushioning effect, when door opening degree increases gradually, can there is elastic deformation in O type circle one, avoid annular protrusion directly to contact with step surface and produce wearing and tearing, the application life of improving car door limiter integral body.

Accompanying drawing explanation

Fig. 1 is the stereogram of this car door limiter in embodiment.

Fig. 2 is the explosive view of this car door limiter in embodiment.

Fig. 3 is the sectional view of this car door limiter in embodiment.

Fig. 4 is the graph of a relation of this door contact interrupter angle and moment in embodiment;

Fig. 5 is the graph of a relation of this door contact interrupter angle and stop resistance and locomotivity in embodiment.

Fig. 6 is the assembling drawing of brake axle and latch in embodiment.

In figure, 1, vehicle body leaf panel; 2, car door page plate; 3, installing hole one; 4, brake axle; 5, latch; 6, taper counterbore; 7, conical head; 8, annular gear edge; 9, locknut; 10, open slot; 11, installing hole two; 12, the shaft shoulder; 13, screwed hole; 14, draw-in groove; 15, reinforcing rib; 16, annular protrusion; 17, duct one; 18, duct two; 19, step surface; 20, O type circle one; 21, trip bolt; 22, nut; 23, screw rod; 24, spiral shell neck; 25, tapered opening; 26, O type circle two; The M curve of a, the direction of opening the door stop; The M curve of b, the direction of closing the door stop; C, the door swing angle line of writing music; The resistance curve of d, opening/closing door of vehicle direction; The resistance curve of e, car door action moment car door.

The specific embodiment

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As shown in Figure 1 and Figure 2, this car door limiter comprises the vehicle body leaf panel 1 being connected on vehicle side and is connected in the car door page plate 2 on car door, and in vehicle body leaf panel 1, have installing hole 1, this installing hole 1 vertically arranges; This stop also comprises brake axle 4 and latch 5, and wherein, brake axle 4, car door page plate 2 and vehicle body leaf panel 1 are metalwork, and car door page plate 2 and vehicle body leaf panel 1 is for adopting the integral structure of injection mo(u)lding.The lateral surface of brake axle 4 has external screw thread, and the medial surface of installing hole 1 has internal thread, and brake axle 4 is plugged in installing hole 1 and external screw thread and internal thread bolt.

As Fig. 2, shown in Fig. 3, the inner of brake axle 4 is positioned at installing hole 1 and has the taper counterbore 6 coaxial with brake axle 4, the inner of latch 5 is also plugged in installing hole 1, brake axle 4 and latch 5 insert and are from the two ends of installing hole 1 respectively and be oppositely arranged, the outer end of latch 5 is fixedly connected with vehicle body leaf panel 1, in the present embodiment, the outer end of latch 5 extends to the outside of installing hole 1, between the shank of installing hole 1 and latch 5, there is annular gear along 8, the outer end of latch 5 is bolted with locknut 9, locknut 9 is resisted against on the outer face of installing hole 1, thereby realize being connected of latch 5 and vehicle body leaf panel 1, as other scheme, also latch can be directly welded in vehicle body leaf panel 1.The inner of latch 5 is for having flexible conical head 7, this conical head 7 adopts nylon to make, conical head 7 in the present embodiment is preferably enhancing nylon, strengthen a kind of new material that nylon refers to intermingling materials such as adding glass fiber, flexibilizer in conventional nylon, its comprehensive mechanical property is good, improves the application life of conical head.As other scheme, this conical head 7 also can adopt rubber to make.Conical head 7 parts are plugged in taper counterbore 6, the large port footpath of taper counterbore 6 is greater than the small end bore of conical head 7 and is less than the large port footpath of this conical head 7, the shank bore of latch 5 is less than the large port footpath of conical head 7, the large end end face of conical head 7 is resisted against annular gear along on 8 inner face, the large end end face of conical head 7 and annular gear, along being also provided with an O type circle 2 26 between 8 inner face, play the effect of sealing and damping.On the small end end face of conical head 7, offer along the open slot 10 of latch 5 axial distribution, open slot 10 runs through the side of described conical head 7, and in the present embodiment, the gradient scope of conical head and taper counterbore is preferably 7 ° to 15 °.After this car door limiter is installed on automobile, axially all vertically the arranging of installing hole 1, brake axle 4, taper counterbore 6 and latch 5, and taper counterbore 6 is opened in the lower surface of brake axle 4, and upward, large end is down for the small end of conical head.

As shown in Figure 1, Figure 2, Figure 3 shows, the outer end of brake axle 4 and car door page plate 2 are circumferentially fixing.In the present embodiment, on car door page plate 2, there is installing hole 2 11, the outer end of brake axle 4 is plugged in installing hole 2 11, on brake axle 4, also there is a shaft shoulder 12, the outer face of the shaft shoulder 12 is resisted against on the inner face of installing hole 2 11, is provided with the location structure that prevents that both from circumferentially rotating between the shaft shoulder 12 and car door page plate 2.Specifically, location structure comprises the draw-in groove 14 being opened on installing hole 2 11 inner faces, and this draw-in groove 14 is preferably two, and symmetrical about the axis of installing hole two, has the reinforcing rib 15 with draw-in groove 14 phase clampings on the outer face of the shaft shoulder 12; As another kind of scheme, this location structure also can design as follows, on the outer face of the shaft shoulder 12, offers groove, has the projection being connected in this groove on the inner face of installing hole 2 11.Specifically, in installing hole 2 11, be also plugged with trip bolt 21, trip bolt 21 the inners are screwed onto on the outer face of brake axle 4, the outer end of trip bolt 21 extends to the outside of installing hole 2 11, and the outer end of this trip bolt 21 has nut 22, nut 22 is resisted against on the outer face of installing hole 2 11.Trip bolt 21 in the present embodiment also comprises the screw rod 23 being connected with nut 22, on the sidewall of screw rod 23, offers external screw thread, offers a screwed hole 13 with screw rod 23 bolts on the outer face of brake axle 4; Between screw rod 23 and nut 22, have one section of spiral shell neck 24, it is conical that spiral shell neck 24 is, and the place, outer end of installing hole 2 11 offers a tapered opening 25, and spiral shell neck 24 is plugged in tapered opening 25 and reclines mutually with the sidewall of this tapered opening 25.As other scheme, circumferential location between the shaft shoulder 12 and car door page plate 2 also can adopt following design, be that the shaft shoulder 12 is all offered corresponding groove with on car door page plate 2, then by a locating part, be connected in respectively in the groove on the shaft shoulder 12 and car door page plate 2, also can realize both circumferential location.

As shown in Figure 1, Figure 2, Figure 3 shows, between the inner face of the shaft shoulder 12 and the inner face of installing hole 1, there is gap, and when the position of arrangements for automotive doors in opening angle maximum, the other end of the shaft shoulder 12 is resisted against on the inner face of installing hole 1.Specifically, on the inner face of the shaft shoulder 12, there is an annular protrusion 16, installing hole 1 is a stepped hole, stepped hole comprises that the internal diameter in the duct 1 that is connected and duct 2 18 and duct 2 18 is greater than the internal diameter in duct 1, between duct 2 18 and duct 1, form a step surface 19, annular protrusion 16 is plugged in duct 2 18, and in duct 2 18, also interlocking has an O type circle 1, and the both ends of the surface of O type circle 1 lean with the outer face of step surface 19 and annular protrusion 16 respectively.

As shown in Fig. 4, Fig. 5, Fig. 6, curve a is the M curve of direction stop of opening the door; Curve b is the M curve of direction stop of closing the door; Curve c is the door swing angle line of writing music; Curve d is the resistance curve of opening/closing door of vehicle direction; Curve e is the resistance curve of car door action moment car door.When car door opening rotates, in the time of brake axle 4 rotation, move downward, push with the conical head on latch 5, be that conical head 7 pushes with taper counterbore 6, the brake axle 4 amount down power that position limitator provides is more at most larger, because friction factor is constant, frictional force between the larger conical head of pressure and taper counterbore is larger, the arm of force size of rotating while working according to structure design stop is substantially constant, and the relation of the moment of car door limiter size and frictional force is close to proportional.In addition, when car door rotates, stop M curve does not have crest or the trough of conventional stop, has realized stepless spacing.And as can be seen from Figure 5, car door is under any opening angle, the moment that the moment of resistance that stop provides is always greater than car door self generation is the moment of car door action moment car door, therefore, can make car door all can realize the function of stopping car door at an arbitrary position.

Operating principle of the present utility model is as follows: when passenger opens car door, the axial wobble of car door page plate coiling moving axis, the brake axle being fixed on car door page plate synchronously rotates, because brake axle is threaded with installing hole one, when brake axle rotates, brake axle can axially move down along self; Because the inner of latch is for having flexible conical head, and conical head is partly plugged in the taper counterbore of brake axle, so when brake axle moves towards latch direction, the frictional force between conical head and taper counterbore increases gradually; Car door in the utility model is no matter under what opening angle, frictional force between conical head and taper counterbore all exists, thereby it is stepless spacing that car door can be realized under any opening angle, avoid car door bump or impact because swinging, improve the application life of car door, and when car door opening is during to maximum angle, the shaft shoulder of brake axle can play good position-limiting action, avoid the unconfined unlatching of car door, improve the application life of car door.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. an integrated stepless car door limiter, this stop comprises the vehicle body leaf panel (1) being connected on vehicle side and is connected in the car door page plate (2) on car door, in described vehicle body leaf panel (1), there is installing hole one (3), it is characterized in that, this stop also comprises brake axle (4) and latch (5), the lateral surface of described brake axle (4) has external screw thread, the medial surface of described installing hole one (3) has internal thread, described brake axle (4) is plugged in described installing hole one (3) and described external screw thread and described internal thread bolt, the inner of described brake axle (4) is positioned at described installing hole one (3) and has the taper counterbore (6) coaxial with brake axle (4), the outer end of described brake axle (4) and described car door page plate (2) are circumferentially fixing, the inner of described latch (5) is also plugged in described installing hole one (3), described brake axle (4) and latch (5) insert and are from the two ends of installing hole one (3) respectively and be oppositely arranged, the outer end of described latch (5) is fixedly connected with described vehicle body leaf panel (1), the inner of described latch (5) is for having flexible conical head (7), described conical head (7) part is plugged in described taper counterbore (6), the large port footpath of described taper counterbore (6) is greater than the small end bore of conical head (7) and is less than the large port footpath of this conical head (7).

2. integrated stepless car door limiter according to claim 1, it is characterized in that, the shank bore of described latch (5) is less than the large port footpath of described conical head (7), the outer end of described latch (5) extends to the outside of installing hole one (3), between described installing hole one (3) and the shank of latch (5), there is annular gear along (8), the outer end of described latch (5) is bolted with locknut (9), described locknut (9) is resisted against on the outer face of described installing hole one (3), the large end end face of described conical head (7) is resisted against described annular gear along on the inner face of (8).

3. integrated stepless car door limiter according to claim 1 and 2, it is characterized in that, on the small end end face of described conical head (7), offer along the open slot (10) of described latch (5) axial distribution, described open slot (10) runs through the side of described conical head (7).

4. integrated stepless car door limiter according to claim 1, it is characterized in that, on described car door page plate (2), there is installing hole two (11), the outer end of described brake axle (4) is plugged in described installing hole two (11), on described brake axle (4), also there is a shaft shoulder (12), the outer face of the described shaft shoulder (12) is resisted against on the inner face of described installing hole two (11), is provided with the location structure that prevents that both from circumferentially rotating between the described shaft shoulder (12) and car door page plate (2); Between the inner face of the inner face of the described shaft shoulder (12) and described installing hole one (3), there is gap, and when the position of arrangements for automotive doors in opening angle maximum, the inner face of the described shaft shoulder (12) is resisted against on the inner face of described installing hole one (3).

5. integrated stepless car door limiter according to claim 4, it is characterized in that, described location structure comprises the draw-in groove (14) being opened on described installing hole two (11) inner faces, has the reinforcing rib (15) with described draw-in groove (14) phase clamping on the outer face of the described shaft shoulder (12).

6. integrated stepless car door limiter according to claim 4, it is characterized in that, on the inner face of the described shaft shoulder (12), there is an annular protrusion (16), described installing hole one (3) is a stepped hole, described stepped hole comprises that the internal diameter in the duct one (17) that is connected and duct two (18) and described duct two (18) is greater than the internal diameter in duct one (17), between described duct two (18) and duct one (17), form a step surface (19), described annular protrusion (16) is plugged in described duct two (18), in described duct two (18), also interlocking has an O type circle one (20), the both ends of the surface of described O type circle one (20) lean with the outer face of described step surface (19) and annular protrusion (16) respectively.

7. according to the integrated stepless car door limiter described in claim 4 or 5 or 6, it is characterized in that, in described installing hole two (11), be also plugged with trip bolt (21), described trip bolt (21) the inner is screwed onto on the outer face of described brake axle (4), the outer end of described trip bolt (21) extends to the outside of described installing hole two (11), and the outer end of this trip bolt (21) has nut (22), described nut (22) is resisted against on the outer face of installing hole two (11).

8. integrated stepless car door limiter according to claim 7, it is characterized in that, described trip bolt (21) also comprises the screw rod (23) being connected with described nut (22), on the sidewall of described screw rod (23), offer external screw thread, on the outer face of described brake axle (4), offer a screwed hole (13) with described screw rod (23) bolt; Between described screw rod (23) and nut (22), there is one section of spiral shell neck (24), it is conical that described spiral shell neck (24) is, the place, outer end of described installing hole two (11) offers a tapered opening (25), and described spiral shell neck (24) is plugged in tapered opening (25) and reclines mutually with the sidewall of this tapered opening (25).

9. integrated stepless car door limiter according to claim 1 and 2, is characterized in that, described conical head (7) adopts nylon to make, and described brake axle (4), car door page plate (2) and vehicle body leaf panel (1) are metalwork.