TWM520031U - Safety car door opening device - Google Patents

Description

Door safety opening device

The present invention relates to a door safety opening device, and more particularly to a safety opening structure applied to a door of a multi-wheeled vehicle for forcibly ensuring that the door is safely opened.

In recent years, with the rapid development of transportation and the improvement of people's living standards, locomotives and automobiles have become more and more popular.

However, with the increase of locomotives and automobiles, the accidents related to the doors have also increased. The main reason is that the car does not pay attention to the car, and wants to open the door to open the door, completely do not care about other passers-by.

Opening the door and getting off the car seems to be a simple movement. In fact, there is an unknown danger. When the car is driving, it is often not noticed to drive the door, causing the locomotive knight to be scared by the door and slipping, or it is directly hit by the door and falls. When the situation is more serious, it may be caused by the rear of the car after the fall, causing irreparable tragedies.

Although at present, the two-stage opening has been included in the driver's license test project, and the corresponding rule of law system has been gradually established, in order to allow more drivers to actively develop habits, so as to provide more protection for car driving or other driving and pedestrians. However, in fact, there are still many car drivers that do not develop a two-stage door opening habit when opening the door.

In view of this, how to provide a door safety opening device that can solve the aforementioned problems, is easy to apply, and effectively forces the automobile to drive the two-stage opening without affecting the original safety of the door becomes a subject to be improved by the present invention.

The purpose of the present invention is to provide a safe opening device for a door that is easy to apply and can be forced to drive a two-stage door open without affecting the original safety of the door.

In order to solve the above problems and achieve the object of the present invention, the technical means of the present invention is realized as a door safety opening device, and the door safety opening device (100) can be applied with the automobile door (200), the automobile door (200) The utility model comprises at least a door body (201) pivoted on the door frame (300) of the automobile, a door lock portion (202) disposed at a free end side of the door body (201), and a door body (201) disposed on the door body (201) An inner door handle (203) at the inner side and an outer door handle (204) disposed at an outer side of the door body (201), characterized in that the door safety opening device (100) includes a pivot a restriction assembly (1), a control switch (2), and a linkage assembly (3); the pivot restriction assembly (1) is disposed at a pivot side of the door body (201) and includes a limit a bit unit (11) and a release unit (12), one end of the limiting unit (11) is pivotally connected to the car door frame (300), and the other end is disposed in the door body (201), and the door body can be (201) pivoting together, the release unit (12) is disposed outside the limiting unit (11) and positioned in the door body (201), and can be associated with the limit sheet The cooperation of (11) restricts the door body (201) from small to large, and the opening measure of pivoting from inside to outside forces the door body (201) to be slightly opened before being fully opened; The control switch (2) is disposed at the free end side of the door body (201), away from the pivoting restriction assembly (1), and can be used for controlling the operation of the release unit (12); The component (3) is disposed in the door body (201), one end is connected to the release unit (12), and the other end is connected to the control switch (2), so that the control switch (2) can pass the linkage component (3) driving the release unit (12) to operate, and removing the restriction of the limit unit (11), so that the door body (201) can be rotated from micro-open to full-open.

More preferably, the limiting unit (11) further includes a door frame fixing base (111), an arc-shaped guiding rail (112), and an elastic component (113), and the door frame fixing seat (111) side The end is fixed to the automobile door frame (300), and the other side end is provided with a first groove portion (1111), the curved guide rail (112) one end of the first slot portion (1111) is pivotally connected to the fixing base (111), one end of the elastic element (113) is connected to one end of the curved rail (112); the release unit (12) The utility model further comprises a door fixing seat (121), a vertical control rod (122), and a spring (123), the door fixing seat (121) is fixed to the door body (201), and corresponds to the arc A second groove portion (1211) is disposed at the shape rail (112), and the vertical control rod (122) is movably positioned on the door fixing seat (121) and vertically passes through the door fixing seat (121), one end and the same The linkage assembly (3) is connected and perpendicularly intersects and contacts the curved guide rail (112), the spring (123) is sleeved outside the vertical control rod (122), and one end abuts the door fixing seat ( 121).

More preferably, the curved guide rail (112), between the pivot end and the free end, further has at least one bump stop portion (1121) for segmentally limiting the door body (201). On enabled.

More preferably, the vertical control rod (122) further includes an annular block (1221) arranged in sequence, and a tapered top column (1222), the annular block (1221) Between the tapered top pillar (1222), an abutting region (1223) is formed for the curved rail (112) to pass through, and the annular block (1221) is adjacent to the curved rail (112) One side of the curved rail (112) is in contact with a corresponding side of the curved rail (112), and the tapered top pillar (1222) has a tapered end, which is disposed at a side adjacent to the annular block (1221) The spring (123) is disposed between the door fixing seat (121) and the annular block (1221), one end abuts against the door fixing seat (121), and the other end abuts against the ring The other side of the block (1221).

More preferably, the elastic member (113) is one of the following: a tension spring, a torsion spring; the elastic member (113) is a tension spring, and one end is the curved guide rail (112) free end connection, the other end is connected with the door body (201); the elastic element (113), which is a torsion spring, is disposed at the pivot end of the curved rail (112).

More preferably, the control switch (2) further includes an actuating lever body (21), the actuating rod body (21) is suspended in the door body (201), and one end protrudes from the surface of the door body (201), and the other end is connected to the linkage assembly (3), adjacent to The outer door handle (204) has a card slot (211) connected to the outer door handle (204) for interlocking with the outer door handle (204); the linkage assembly (3), The utility model comprises a horizontal rod (31) horizontally disposed in the door body (201), the one end of the horizontal rod (31) is connected with the actuating rod body (21), and the other end is connected with the vertical control rod (122), The actuating rod body (21) is used to drive the vertical control rod (122).

More preferably, the linkage assembly (3) further includes a return spring (32) disposed in the door body (201) and having one end connected to the door body (201) The other end is connected to one end of the cross bar (31) adjacent to the vertical control lever (122).

More preferably, the bump stop portion (1121) is disposed at a side of the curved guide rail (112) adjacent to the tapered top post (1222), and the abutting region (1223) The top of the free end of the curved rail (112) is further provided with a stopper portion (1122).

More preferably, the curved guide rail (112) is further provided with an arcuate guide groove (1123), and the bump stop portion (1121) is disposed away from the arcuate guide groove (1123). The one end inner wall surface of the abutting area (1223); the release unit (12) further includes a vertical blocking rod (124), the vertical blocking rod (124) passing through the curved guiding groove (1123) The bump stop portion (1121) can be mutually abutted to restrict the opening of the door body (201).

Compared with the prior art, the effects of the present invention are as follows:

First point: In the present invention, the door safety opening device (100) is formed by the cooperation of the pivot limiting component (1), the control switch (2), and the interlocking component (3), and when the car is driven to open the door, the passage is passed. For the application of the pivot limiting component (1), the car driving must first use the inner door handle (203) to unlock the door locking portion (202) and open the door body (201), at which time the door body (201) is pivotally restricted. The control of the component (1) can only be opened slightly, and the car needs to turn to face the door seam to pass the control switch. (2) With the interlocking component (3), the pivoting restriction assembly (1) no longer limits the opening degree, from micro-opening to full-opening, forcibly ensuring the driving of the car, and opening the door in a two-stage opening manner. The application is easy and does not affect the original safety of the door. The most important thing is to ensure the safety of the passers-by.

The second point: In the new model, the application of the pivot limiting component (1) can be adjusted according to the different doors, so as to avoid affecting the use and safety of the door, and at the same time truly ensuring the safety of the passers-by.

1‧‧‧ pivot limit assembly

11‧‧‧Limited unit

111‧‧‧Door frame mount

1111‧‧‧First groove

112‧‧‧Arc Guide

1121‧‧‧Bump stop

1122‧‧ ‧Block section

1123‧‧‧curved guide channel

113‧‧‧Flexible components

12‧‧‧ release unit

121‧‧‧Door holder

1211‧‧‧Second trough

122‧‧‧ vertical joystick

1221‧‧‧Ring block

1222‧‧‧Conical top column

1223‧‧‧Right area

123‧‧‧ Spring

124‧‧‧ vertical bar

2‧‧‧Control switch

21‧‧‧ actuation rod

211‧‧‧ card slot

3‧‧‧ linkage components

31‧‧‧crossbar

32‧‧‧Return spring

100‧‧‧Door safety opening device

200‧‧‧ car door

201‧‧‧Car door body

202‧‧‧Door lock

203‧‧‧ Inner door

204‧‧‧External door handle

300‧‧‧Car door frame

Fig. 1 is a perspective view showing the first embodiment of the present invention.

Fig. 2 is a perspective exploded view showing the first embodiment of the present invention.

Figures 3 and 4: Schematic diagram of the three-dimensional implementation of the first embodiment of the present invention in conjunction with an automobile door application.

Figures 5 and 6 are schematic views of a three-dimensional implementation of the first embodiment of the present invention.

Figure 7 is a perspective view of a second embodiment of the present invention.

Figure 8 is a perspective exploded view of the second embodiment of the present invention.

Figures 9 and 10 are schematic views showing the three-dimensional implementation of the second embodiment of the present invention.

The following is a detailed description of the following embodiments according to the drawings:

As shown in Figures 1 to 10, the figure discloses a door safety opening device that can be used in conjunction with a vehicle door (200), the vehicle door (200) including at least a pivot a door body (201) disposed on the door frame (300), a door lock portion (202) disposed at a free end side of the door body (201), and a door portion (201) disposed inside the door body (201) a door handle (203), and an outer door handle (204) disposed at an outer side of the door body (201), characterized in that: the door safety opening device (100) includes a pivot limiting component (1) a control switch (2), and a linkage assembly (3); the pivot limiting assembly (1) is disposed on a pivoting side of the door body (201) And comprising a limiting unit (11) and a releasing unit (12), one end of the limiting unit (11) is pivotally connected to the automobile door frame (300), and the other end is disposed in the door body (201) The door unit (201) can be pivoted together with the door body (201). The release unit (12) is disposed outside the limiting unit (11) and positioned in the door body (201), and can be coupled to the limiting unit (11). Cooperating, the door body (201) is segmented from small to large, and the opening measure of pivoting from inside to outside forces the door body (201) to be slightly opened before being fully opened; the control switch (2) provided at the free end side of the door body (201), away from the pivoting restriction assembly (1), for controlling the operation of the release unit (12); the linkage assembly (3) It is disposed in the door body (201), one end is connected to the release unit (12), and the other end is connected to the control switch (2), so that the control switch (2) can pass the linkage assembly (3) The release unit (12) is driven to deviate from the limit of the limit unit (11), so that the door body (201) can be rotated from micro-open to full-open.

Wherein, the new door safety opening device (100) is configured to cooperate with the pivoting restriction component (1), the control switch (2), and the linkage component (3) to achieve a mandatory condition without affecting the safety of the door. Let the car drive the two-stage driving door, so that the safety of passers-by can be ensured, so that the passers-by no longer have to worry about the problem of being scared and hit by the door.

Secondly, the new door safety opening device (100) is purely mechanical in structure application, is not easy to malfunction, is not easy to have invalid or abnormal operation problems, is very durable, is very simple to use but effective, when the car When driving to open the door, through the application of the pivoting restriction assembly (1), the driver must first use the inner door handle (203) to unlock the door lock (202) to open the door body (201). The way of opening the door is different. At this time, the door body (201) is controlled by the limiting unit (11) of the pivoting restriction assembly (1) and the release unit (12), and can only be opened slightly, so the driving of the vehicle must be To turn the direction facing the door seam, the control unit (2) and the interlocking assembly (3) cooperate to make the release unit (12) of the pivoting restriction assembly (1) no longer limit the opening degree, from micro-open to full-open. Mandatory to ensure car driving, can drive in two-stage opening The door is easy to apply and does not affect the original safety of the door. The most important thing is to ensure the safety of the passers-by.

In the above, the limiting unit (11) further includes a door frame fixing base (111), an arc-shaped guiding rail (112), and an elastic component (113), and the side end of the door frame fixing seat (111) is The first door portion (1111) is fixed to the other side end, and the other end of the curved guide rail (112) passes through the first groove portion (1111) and the fixing seat (111) The pivoting member has one end connected to one end of the curved rail (112); the release unit (12) further includes a door fixing seat (121), a vertical control rod (122), and a spring (123), the door fixing seat (121) is fixed to the door body (201), and a second groove portion (1211) corresponding to the curved rail (112), the vertical control rod ( 122) the activity is positioned on the door fixing seat (121) and vertically passes through the door fixing seat (121), one end is connected with the linkage assembly (3), and vertically intersects with the curved guide rail (112) In contact, the spring (123) is sleeved outside the vertical control rod (122), and one end abuts the door fixing seat (121).

Wherein, the frame fixing seat (111), the curved guide rail (112) and the elastic element (113) cooperate to form the limiting unit (11), which is simple but can effectively cooperate with the door fixing seat (121) and the vertical control rod (122) and spring (123), the release unit (12) consisting of three, purely mechanical application, not only easy to produce and install, but also less prone to failure, high reliability, when the car is driving to open the door, such as In the third to sixth figures, in general, the driver must first use the inner door handle (203) to unlock the door lock (202) and then open the door body (201). At this time, the vertical control lever (122) will be The door body (201) is deflected together, and is displaced along the curved rail (112) that is pivoting again. With the vertical control rod (122), the door body (201) can only be slightly opened, and the car needs to be turned to face the door. The vertical control lever (122) is vertically actuated by the control switch (2) and the linkage assembly (3), so that the curved guide rail (112) is pushed open, so that the door body (201) is fully opened.

Secondly, the application of the door frame mount (111) provides a stable positioning, arc The application of the guide rail (112) can cooperate with the vertical control rod (122) along the pivoting of the door body (201), and the elastic element (113) ensures the positioning of the curved guide rail (112) and can After the vertical control lever (122) opens the curved guide rail (112), the curved guide rail (112) is returned to the previous state.

Moreover, the application of the door fixing seat (121) provides a stable positioning, and the vertical control rod (122) can cooperate with the curved guide rail (112) to provide a stable limiting function, ensuring that the door body (201) can only have two The segment type is opened, the application of the spring (123), the effective vertical positioning of the vertical control rod (122) to avoid accidental unlocking, and the two-stage opening function of the door body (201) is abnormal.

In the above, the curved guide rail (112), between the pivot end and the free end, further has at least one bump stop portion (1121) for segmentally limiting the opening of the door body (201). .

Wherein, the bump stop portion (1121) is used to effectively stop the opening of the door body (201), thereby providing effective and non-faulty.

In the above, the vertical control rod (122) further includes an annular block (1221) arranged in sequence, and a tapered top column (1222), the annular block (1221) and An abutting region (1223) is formed between the tapered top pillars (1222) for traversing the curved rails (112), and the annular latching block (1221) is adjacent to one of the curved rails (112) The side surface is in contact with the corresponding side surface of the curved guide rail (112), and the tapered top pillar (1222) has a tapered end portion disposed at a side end adjacent to the annular block (1221); The spring (123) is disposed between the door fixing seat (121) and the annular block (1221), one end abuts against the door fixing seat (121), and the other end abuts against the ring card The other side of the block (1221).

Among them, through the application of the annular block (1221), not only can the stop spring (123) be used, but also can be used to assist the guiding of the curved guide rail (112), and the vertical control rod (122) can operate smoothly.

Secondly, the application of the tapered top column (1222) can smoothly and smoothly open the curved guide rail (112) when the vertical control rod (122) is actuated, so that the door body (201) can be rotated from micro-open to full-open. .

Furthermore, the application of the spring (123) allows the vertical control lever (122) to remain in position without displacement due to vibration, and the vertical control lever (122) cannot be fitted with the curved guide rail (112), which causes an The problem of restricting the opening degree of the door body (201) can be used normally, and the vertical control lever (122) can be quickly returned after the vertical control lever (122) is actuated.

In the above, the elastic member (113) is one of the following: a tension spring, a torsion spring [not disclosed in the drawing]; the elastic member (113) is a tension spring, and one end is The curved guide rail (112) is connected to the free end, and the other end is connected to the door body (201); the elastic member (113) is a torsion spring, and is disposed at the pivot end of the curved guide rail (112). At [not shown in the figure].

Among them, according to the needs of the application, different elastic elements (113) can be used, so that the operator can freely apply to avoid affecting the original safety of the door, and at the same time exerting the original functions of the new model, so that the new model can be Accepted by consumers.

In the above, the control switch (2) further includes an actuating lever body (21), the actuating lever body (21) is suspended in the door body (201), and one end protrudes from the door body ( 201) the surface and the other end are connected to the linkage assembly (3), and adjacent to the outer door handle (204), having a connection with the outer door handle (204) for linkage with the outer door handle (204) a card slot (211); the linkage assembly (3) further includes a crossbar (31) horizontally disposed in the door body (201), one end of the crossbar (31) and the actuating lever body (21) The other end is connected to the vertical control rod (122), and the movable rod body (21) can be used to drive the vertical control rod (122).

Among them, by setting the actuating rod body (21), the car can be found and actuated after turning and driving, so that the car can be driven to turn around and let the car drive involuntarily look behind the car to confirm that there is no problem before pressing. The lower lever body (21) is used to fully open the door body (201).

Secondly, through the design of the card slot (211), the actuating lever body (21) can be interlocked with the outer door handle (204), so that when the car driver opens the door body (201) through the outer door handle (204), no two segments are needed. The door can be opened in the same way as a normal door without affecting the use.

Furthermore, the application of the crossbar (31) enables the actuating lever body (21) to drive the vertical control lever (122) in a purely mechanical manner, reducing the possibility of malfunction and facilitating installation applications.

In the above, the linkage assembly (3) further includes a return spring (32) disposed in the door body (201) and having one end connected to the door body (201). One end is connected to one end of the cross bar (31) adjacent to the vertical control rod (122).

Among them, by the addition of the return spring (32), the crossbar (31) can be forcibly returned to the original state, and the actuating rod body (21) and the vertical control rod (122) can be bounced back, so as not to affect the next use. .

As shown in FIG. 2, in the second embodiment of the present invention, the curved guide rail (112) is further provided with an arcuate guide groove (1123), and the bump stop portion (1121) Is disposed at a side inner wall surface of the arcuate guide groove (1123) away from the abutting region (1223); the release unit (12) further includes a vertical bar (124), the vertical bar (124) Passing through the arcuate guide groove (1123), the bump stop portion (1121) can be abutted against the top to prevent the door body (201) from being opened.

Among them, through this arrangement, it can provide a more stable two-stage limit, and the stability is slightly better than the first embodiment. It is suitable for the door of a car that is easy to encounter bumpy roads, and can avoid the inability to effectively limit the door body ( 201) The problem of opening degree occurs to ensure the safety of passers-by and allow the car to drive safely.

As shown in FIG. 8, in the first embodiment of the present invention, the bump stop portion (1121) is disposed on the curved guide rail (112) adjacent to the tapered top post (1222). At one side, it can abut against the abutting region (1223) for restricting the opening of the door body (201); the curved rail (112) has a block at a side of the free end thereof. Block (1122).

Among them, through this arrangement, a low-cost two-stage restriction scheme can be provided, which is not only easy to apply, but also can be quickly installed on the door, so that the driving can be used together. Solve the problem that car driving is difficult to develop a two-stage driving door.

Secondly, the use of the stop portion (1122) prevents the curved guide rail (112) from being separated from the door mount (121) to ensure proper operation of the device.

The structure, features and effects of the present invention are described in detail above based on the embodiments shown in the drawings. Since the novel and progressive requirements are met, a new patent application is filed according to law; however, the above description is only a preferred embodiment of the present invention. However, the present invention is not limited to the scope of implementation of the present invention, and therefore modifications that are in accordance with the meaning of the present invention are intended to fall within the scope of the present invention as long as they are within the scope of the present invention.

1‧‧‧ pivot limit assembly

123‧‧‧ Spring

11‧‧‧Limited unit

124‧‧‧ vertical bar

111‧‧‧Door frame mount

2‧‧‧Control switch

1111‧‧‧First groove

21‧‧‧ actuation rod

112‧‧‧Arc Guide

211‧‧‧ card slot

1121‧‧‧Bump stop

3‧‧‧ linkage components

1123‧‧‧curved guide channel

31‧‧‧crossbar

113‧‧‧Flexible components

32‧‧‧Return spring

12‧‧‧ release unit

100‧‧‧Door safety opening device

121‧‧‧Door holder

202‧‧‧Door lock

1211‧‧‧Second trough

203‧‧‧ Inner door

122‧‧‧ vertical joystick

204‧‧‧External door handle

Claims (9)

A door safety opening device, the door safety opening device (100) can be used with an automobile door (200), the vehicle door (200) at least comprising a door body (201) pivoted on the door frame (300) of the automobile, a door lock portion (202) disposed at a free end side of the door body (201), an inner door handle (203) disposed at an inner side of the door body (201), and one disposed outside the door body (201) The outer door handle (204) is characterized in that: the door safety opening device (100) comprises a pivot limiting component (1), a control switch (2), and a linkage assembly (3); The pivoting restriction assembly (1) is disposed at a pivoting side of the door body (201) and includes a limiting unit (11) and a releasing unit (12), the limiting unit (11) One end is pivotally connected to the door frame (300), and the other end is disposed in the door body (201), and can be pivoted together with the door body (201), and the release unit (12) is disposed on the limiting unit (11) The outer side is positioned in the door body (201), and can cooperate with the limiting unit (11) to restrict the door body (201) from small to large, and pivot from the inside to the outside. The opening measure forces the door body (201) to be fully opened before being fully opened; the control switch (2) is disposed at the free end side of the door body (201) away from the pivoting restriction assembly (1) And can be used to control the operation of the release unit (12); the linkage assembly (3) is disposed in the door body (201), one end is connected to the release unit (12), and the other end is The control switch (2) is connected, so that the control switch (2) can drive the release unit (12) to operate by the linkage assembly (3), and the limitation of the limit unit (11) is removed, so that the door body (201) can From micro-open to full-open. The door safety opening device of claim 1, wherein: the limiting unit (11) further comprises a door frame fixing base (111), an arc-shaped guiding rail (112), and an elastic component (113). One side of the door frame fixing seat (111) is fixed to the door frame (300), and the other side is provided with a first one. a groove portion (1111), one end of the curved guide rail (112) is pivotally connected to the fixing seat (111) through one end of the first groove portion (1111), and one end of the elastic member (113) and the curved guide rail (112) The release unit (12) further includes a door fixing seat (121), a vertical control rod (122), and a spring (123), and the door fixing seat (121) is opposite to the door body ( 201) fixed, and corresponding to the curved rail (112) is provided with a second groove portion (1211), the vertical control rod (122) is movably positioned on the door fixing seat (121) and vertically passes through the a door fixing base (121) is connected at one end to the linkage assembly (3) and perpendicularly intersects with the curved guide rail (112), and the spring (123) is sleeved outside the vertical control rod (122) And one end abuts the door fixing seat (121). The door safety opening device of claim 2, wherein the curved guide rail (112) has at least one bump stop portion (1121) between the pivot end and the free end, and can be segmented. The ground door body (201) is restricted from being opened. The door safety opening device of claim 3, wherein: the vertical control lever (122) further comprises an annular block (1221) arranged in sequence, and a tapered top column (1222). Between the annular block (1221) and the tapered top post (1222), an abutting region (1223) is formed for the curved guide rail (112) to pass through, and the annular block (1221) A side surface adjacent to the curved guide rail (112) is in contact with a corresponding side surface of the curved guide rail (112), and the tapered top pillar (1222) has a tapered end portion disposed adjacent to the annular shape. One end of the block (1221); the spring (123) is disposed between the door fixing seat (121) and the annular block (1221), and one end abuts against the door fixing seat (121) The other end abuts against the other side of the annular block (1221). The door safety opening device of claim 4, wherein: the elastic member (113) is one of: a tension spring, a torsion spring; the elastic member (113) is a tension spring One end is connected to the free end of the curved rail (112), and the other end is connected to the door body (201); The elastic member (113), when it is a torsion spring, is disposed at the pivot end of the curved guide rail (112). The door safety opening device of claim 5, wherein the control switch (2) further includes an actuating lever body (21), and the actuating lever body (21) is suspended from the door body (201) And one end protrudes from the surface of the door body (201), and the other end is connected to the linkage assembly (3), and adjacent to the outer door handle (204), has a connection with the outer door handle (204), a card slot (211) for interlocking with the outer door handle (204); the linkage assembly (3) further includes a cross bar (31) horizontally disposed in the door body (201), One end of the cross bar (31) is connected to the actuating rod body (21), and the other end is connected to the vertical control rod (122), and the actuating rod body (21) can be used to drive the vertical control rod (122). The door safety opening device of claim 6, wherein: the linkage assembly (3) further includes a return spring (32) disposed in the door body (201), and One end is connected to the door body (201), and the other end is connected to one end of the cross bar (31) adjacent to the vertical control rod (122). The door safety opening device of claim 7, wherein: the curved guide rail (112) further includes an arcuate guide groove (1123), and the bump stop portion (1121) is disposed at the door The arcuate guide groove (1123) is away from one side inner wall surface of the abutting area (1223); the release unit (12) further includes a vertical blocking rod (124), the vertical blocking rod (124) is worn The arcuate guide groove (1123) can be abutted against the bump stop portion (1121) for restricting the opening of the door body (201). The door safety opening device of claim 7, wherein: the bump stop portion (1121) is disposed at a side of the curved guide rail (112) adjacent to the tapered top post (1222) And the topping region (1223) can be mutually abutted for restricting the opening of the door body (201); the curved rail (112) has a stopper portion (1122) at a side of the free end thereof. ).