Vehicle door inner unlocking device, vehicle door and vehicle

Abstract

The utility model provides a vehicle door interior unlocking device, a vehicle door and a vehicle, the vehicle door interior unlocking device is arranged inside a vehicle door body of the vehicle door, the vehicle door body is provided with a vehicle door handle, the vehicle door interior unlocking device comprises a driving cylinder, the driving cylinder comprises a main cylinder body and a piston rod telescopically arranged on the main cylinder body, and the piston rod is arranged on the main cylinder body. The main cylinder body is connected with the vehicle door body; the rotating assembly is hinged to the end, close to the interior of the automobile door body, of the automobile door handle. One end of the steel wire rope penetrates through the free end of the piston rod and then is fixedly connected with a main body of the steel wire rope through one of the two fixing pieces, and the other end of the steel wire rope penetrates through the rotating assembly and then is fixedly connected with the main body of the steel wire rope through the other of the two fixing pieces; the problem that in the prior art, the unlocking stroke of an unlocking device in a vehicle door is fixed, and the unlocking device is not suitable for different vehicle types is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and in particular to an inner door unlocking device, a door and a vehicle. Background Art

[0002] As one of the important means of transportation, the number of cars in use and their production and sales are increasing year by year. Cars have gradually become an essential means of transportation for every family. The door assembly is an important component of the car and also the most important switch operating part on the car. It plays a vital role in ensuring the safety of people in the car.

[0003] At present, car doors are mainly unlocked by directly pulling open the door handle with an internal cylinder. However, this unlocking device not only causes a large load on the handle, but also has a fixed unlocking stroke and is not suitable for different car models. Utility Model Content

[0004] The main purpose of the utility model is to provide a door unlocking device, a door and a vehicle, so as to solve the problem that the unlocking stroke of the door unlocking device in the prior art is fixed and is not suitable for different vehicle models.

[0005] In order to achieve the above-mentioned purpose, according to the first aspect of the utility model, a vehicle door interior unlocking device is provided, which is arranged inside a door body of a vehicle door, and a door handle is arranged on the door body, and the vehicle door interior unlocking device comprises: a driving cylinder, the driving cylinder comprises a main cylinder body and a piston rod telescopically arranged on the main cylinder body, and the main cylinder body is connected to the vehicle door body; a rotating assembly, the rotating assembly is hinged to one end of the vehicle door handle close to the inside of the vehicle door body; a steel wire rope and two fixings, one end of the steel wire rope passes through the free end of the piston rod and is fixedly connected to the main body of the steel wire rope through one of the two fixings, and the other end of the steel wire rope passes through the rotating assembly and is fixedly connected to the main body of the steel wire rope through the other of the two fixings.

[0006] Furthermore, the free end of the piston rod is provided with a first through hole for allowing the steel wire rope to pass through.

[0007] Furthermore, the rotating assembly also includes a threaded screw and a nut, and the end of the door handle close to the interior of the door body is sleeved on the threaded section of the screw and located between the nut and the screw, and the nut of the screw is provided with a second through hole for allowing the wire rope to pass through.

[0008] Furthermore, the rotating assembly also includes a gasket, which is sleeved on the threaded section of the screw and located between the nut of the screw and an end of the door handle close to the interior of the door body.

[0009] Furthermore, the fixing part includes a sleeve and a locking screw. The sleeve is provided with a wire hole for allowing the wire rope to pass through and a threaded hole for installing the locking screw. The wire hole and the threaded hole are connected, and the center line of the wire hole and the center line of the threaded hole are perpendicular to each other. One end of the locking screw passes through the threaded hole and is pressed against the wire rope in the wire hole.

[0010] Furthermore, the inner door unlocking device also includes a rotation angle sensor, which is arranged on the door handle and electrically connected to the drive cylinder to detect the real-time rotation angle of the door handle to control the working state of the drive cylinder according to the real-time rotation angle.

[0011] Furthermore, the driving cylinder is an electric cylinder or a pneumatic cylinder.

[0012] Furthermore, the inner door unlocking device also includes a fixing plate, which is used to be fixedly connected to the door body, and the master cylinder body is installed on the fixing plate.

[0013] According to a second aspect of the utility model, a vehicle door is provided, comprising a vehicle door body and the above-mentioned vehicle door inner unlocking device, wherein the vehicle door inner unlocking device is arranged in the vehicle door body and connected to a door handle on the vehicle door body.

[0014] According to a third aspect of the utility model, a vehicle is provided, comprising a vehicle body and a vehicle door mounted on the vehicle body, wherein the vehicle door is the vehicle door described above.

[0015] Furthermore, the vehicle also includes an electric limiter, which includes: a pin shaft seat, which is used to be installed on the vehicle body; a limit seat, which is used to be installed in the door body; a main arm, the first end of the main arm is rotatably connected to the pin shaft seat, and the second end of the main arm passes through the limit seat and is inserted into the door body; a gear and a rack, the gear is rotatably mounted on the limit seat, the rack is mounted on the main arm and is located on the side of the main arm close to the gear to engage with the gear; a drive motor, the drive motor includes a motor body and a rotating shaft, the motor body is mounted on the limit seat, and the rotating shaft is drivingly connected to the gear to drive the gear to rotate to change the relative position between the door body and the vehicle body.

[0016] By applying the technical solution of the utility model, the interior door unlocking device of the utility model is arranged inside a door body of a vehicle door, and a door handle is arranged on the door body. The interior door unlocking device comprises: a driving cylinder, the driving cylinder comprises a main cylinder body and a piston rod telescopically arranged on the main cylinder body, and the main cylinder body is connected to the door body; a rotating assembly, the rotating assembly is hinged to one end of the door handle close to the inside of the door body; a wire rope and two fixings, one end of the wire rope passes through the free end of the piston rod and is fixedly connected to the main body of the wire rope through one of the two fixings, and the other end of the wire rope passes through the rotating assembly and is fixedly connected to the main body of the wire rope through the other of the two fixings. In this way, the unlocking stroke of the unlocking device inside the door of the utility model can be adjusted by arranging a steel wire rope, and can be applicable to different models of vehicles. It has good versatility, unlocking effect and stability, and solves the problem that the unlocking stroke of the unlocking device inside the door in the prior art is fixed and is not applicable to different models, and solves the problem of damage to the door. While realizing the automatic unlocking function of the door, it will not affect the operation of manually unlocking the door. The unlocking device inside the door is installed in the door body and has no effect on the appearance of the door. The modification cost is low and the reliability is high. The unlocking device inside the door is universal and is suitable for modification of manual doors to automatic doors of most vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 A schematic structural diagram of an embodiment of an inner door unlocking device according to the utility model is shown;

[0019] Figure 2 Shows Figure 1 A cross-sectional view of a sleeve of a fixing member of an inner door unlocking device shown;

[0020] Figure 3 A schematic diagram of the structure of an embodiment of an electric limiter in a vehicle according to the utility model in one direction is shown;

[0021] Figure 4 Shows Figure 3 A schematic diagram of the structure of the electric limiter in another direction;

[0022] Figure 5 Shows Figure 3 A cross-sectional view of the electric limiter shown;

[0023] Figure 6 Shows Figure 3The schematic diagram of the structure of the pin shaft seat, main arm and rack of the electric limiter after assembly is shown;

[0024] Figure 7 Shows Figure 3 A schematic structural diagram of an outer seat body of a limit seat of an electric limiter shown in FIG.

[0025] Figure 8 Shows Figure 3 The schematic diagram of the structure of the inner seat body of the limit seat of the electric limiter shown in the first direction;

[0026] Fig. 9 Shows Figure 8 A schematic diagram of the structure of the inner seat body in a second direction is shown;

[0027] Fig.10 Shows Figure 8 The schematic diagram of the structure of the inner seat body in the third direction is shown;

[0028] Fig.11 Shows Figure 3 A schematic diagram of the structure of the support assembly of the electric limiter shown;

[0029] Fig.12 Shows the installation Figure 3 The electric limiter shown in the figure is an action flow chart of a vehicle when the door is closed by relying on the inertia of the door body.

[0030] The above drawings include the following reference numerals:

[0031] 100, door unlocking device; 110, drive cylinder; 101, main cylinder body; 102, piston rod; 120, rotating assembly; 121, screw; 122, nut; 123, gasket; 124, second through hole; 130, wire rope; 140, fixing member; 141, sleeve; 142, wire hole; 143, set screw; 144, threaded hole; 150, fixing plate;

[0032] 200, limiter;

[0033] 1. Pin seat; 11. Connecting seat body; 111. Connecting plate; 112. Mounting plate; 12. Pin;

[0034] 2. Limit seat; 201. First avoidance hole; 202. Second avoidance hole; 203. Second bearing mounting hole; 204. First bearing mounting hole; 205. Mounting shaft hole; 21. Outer seat body; 211. First base; 212. First cover plate; 213. First bottom plate; 214. First side plate; 215. Accommodating space; 216. Plug-in hole; 22. Inner seat body; 221. Second base; 222. Second cover plate; 223. Second bottom plate; 224. Second side plate; 225. Mounting space; 226. Plug-in protrusion; 227. Bushing;

[0035] 3. Main arm; 30. Mounting slot;

[0036] 4. gear; 41. gear body; 42. first gear shaft section; 43. second gear shaft section;

[0037] 5. Rack;

[0038] 6. driving motor; 61. motor body; 62. rotating shaft;

[0039] 7. First bearing; 8. Second bearing;

[0040] 9. Support assembly; 91. Mounting shaft; 92. Support wheel. DETAILED DESCRIPTION

[0041] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0042] like Figure 1 and Figure 2 As shown, the utility model provides an inner door unlocking device, which is arranged inside a door body of a vehicle door, and a door handle is arranged on the door body. The inner door unlocking device comprises: a driving cylinder 110, the driving cylinder 110 comprises a main cylinder body 101 and a piston rod 102 which is telescopically arranged on the main cylinder body 101, and the main cylinder body 101 is connected to the door body; a rotating assembly 120, the rotating assembly 120 is hinged to one end of the door handle close to the inside of the door body; a wire rope 130 and two fixing members 140, one end of the wire rope 130 passes through the free end of the piston rod 102 and is fixedly connected to the main body of the wire rope 130 through one of the two fixing members 140, and the other end of the wire rope 130 passes through the rotating assembly 120 and is fixedly connected to the main body of the wire rope 130 through the other of the two fixing members 140.

[0043] In this way, the unlocking stroke of the unlocking device inside the door of the utility model can be adjusted by arranging a steel wire rope, and can be applicable to different models of vehicles. It has good versatility, unlocking effect and stability, and solves the problem that the unlocking stroke of the unlocking device inside the door in the prior art is fixed and is not applicable to different models, and solves the problem of damage to the door. While realizing the automatic unlocking function of the door, it will not affect the operation of manually unlocking the door. The unlocking device inside the door is installed in the door body and has no effect on the appearance of the door. The modification cost is low and the reliability is high. The unlocking device inside the door is universal and is suitable for modification of manual doors to automatic doors of most vehicles.

[0044] like Figure 1 As shown, the free end of the piston rod 102 is provided with a first through hole for allowing the steel wire rope 130 to pass through.

[0045] like Figure 1 As shown, the rotating assembly 120 also includes a threaded screw 121 and a nut 122. The end of the door handle close to the interior of the door body is sleeved on the threaded section of the screw 121 and is located between the nut 122 of the screw 121. The nut of the screw 121 is provided with a second through hole 124 for the wire rope 130 to pass through.

[0046] like Figure 1 As shown, the rotating assembly 120 further includes a gasket 123, which is sleeved on the threaded section of the screw 121 and located between the nut of the screw 121 and an end of the door handle close to the interior of the door body.

[0047] like Figure 1 and Figure 2 As shown, the fixing member 140 includes a sleeve 141 and a set screw 143. The sleeve 141 is provided with a wire hole 142 for the wire rope 130 to pass through and a threaded hole 144 for installing the set screw 143. The wire hole 142 and the threaded hole 144 are connected, and the center line of the wire hole 142 and the center line of the threaded hole 144 are perpendicular to each other. One end of the set screw 143 passes through the threaded hole 144 and is pressed against the wire rope 130 in the wire hole 142.

[0048] Preferably, the inner door unlocking device also includes a rotation angle sensor, which is arranged on the door handle and electrically connected to the drive cylinder 110, so as to detect the real-time rotation angle of the door handle, so as to control the working state of the drive cylinder 110 according to the real-time rotation angle.

[0049] Optionally, the driving cylinder 110 is an electric cylinder or a pneumatic cylinder.

[0050] like Figure 1As shown, the inner door unlocking device further includes a fixing plate 150 , which is used to be fixedly connected to the door body, and the master cylinder 101 is mounted on the fixing plate 150 .

[0051] The utility model provides a vehicle door, comprising a vehicle door body and the above-mentioned vehicle door inner unlocking device, wherein the vehicle door inner unlocking device is arranged in the vehicle door body and connected with a vehicle door handle on the vehicle door body.

[0052] The utility model also provides a vehicle, comprising a vehicle body and a vehicle door installed on the vehicle body, wherein the vehicle door is the vehicle door mentioned above.

[0053] like Figures 3 to 12 As shown, the vehicle also includes an electric limiter 200, which includes: a pin shaft seat 1, which is used to be installed on the vehicle body; a limit seat 2, which is used to be installed on the vehicle door; a main arm 3, a first end of the main arm 3 is rotatably connected to the pin shaft seat 1, and the second end of the main arm 3 passes through the limit seat 2 and is inserted into the vehicle door; a gear 4 and a rack 5, the gear 4 is rotatably mounted on the limit seat 2, the rack 5 is mounted on the main arm 3 and is located on a side of the main arm 3 close to the gear 4 to engage with the gear 4; a drive motor 6, the drive motor 6 includes a motor body 61 and a rotating shaft 62, the motor body 61 is mounted on the limit seat 2, and the rotating shaft 62 is drivingly connected to the gear 4 to drive the gear 4 to rotate, so as to change the relative position between the vehicle door and the vehicle body.

[0054] In this way, the electric limiter 200 of the utility model is provided with a pin shaft seat 1, a limit seat 2, a main arm 3, a gear 4, a rack 5 and a driving motor 6, and the pin shaft seat 1 is installed on the side of the vehicle body, and the limit seat 2 is installed in the door body of the vehicle door, so that the limit seat 2 rotates around the door axis with the vehicle door, and moves linearly along the main arm 3 at the same time, which can not only limit the door opening and protect the door hinge, but also maintain the door opening in the wind or on a slope, solving the problem that the contact position between the elastic buffer component and the swing arm of the vehicle door limiter in the prior art will be mechanically worn or even damaged after long-term multiple use or opening the door. In addition, the electric limiter of the utility model is installed by borrowing the hinge and mounting surface of the original vehicle limiter, and it is only necessary to remove the original vehicle limiter and replace it with the electric limiter of the utility model.

[0055] The electric limiter of the utility model can be adapted to various types of vehicles by only changing the outer diameter of the gear and the length of the rack, so as to provide the power for opening and closing the doors of the corresponding vehicles.

[0056] The vehicle of the utility model realizes automatic opening and closing of the vehicle door by arranging the inner door unlocking device and the electric limiter.

[0057] Specifically, a mounting groove is provided on the main arm 3 , and a side of the rack 5 away from the gear 4 is mounted in the mounting groove 30 , and the rack 5 is connected to the main arm 3 through a plurality of first fasteners.

[0058] like Figure 6 As shown, the pin shaft seat 1 includes: a connecting seat body 11, which is connected to the vehicle body; a pin shaft 12, which is installed on the connecting seat body 11, and the first end of the main arm 3 is rotatably sleeved on the pin shaft 12.

[0059] like Figure 6 As shown, the connecting seat body 11 includes a connecting plate 111 and two mounting plates 112 spaced apart on the connecting plate 111 , the pin shaft 12 and the first end of the main arm 3 are located between the two mounting plates 112 , and the two ends of the pin shaft 12 are respectively connected to the two mounting plates 112 .

[0060] like Figures 3 to 5 as well as Figures 7 to 10 As shown, the limit seat 2 includes: an outer seat body 21, the outer seat body 21 is connected to the vehicle door body, the motor body 61 is installed on the outer seat body 21, and the outer seat body 21 is provided with a first avoidance hole 201 for the main arm 3 to pass through; an inner seat body 22, the inner seat body 22 is arranged in the outer seat body 21, the gear 4 is installed in the inner seat body 22, and the inner seat body 22 is provided with a second avoidance hole 202 for the main arm 3 to pass through; wherein the rotating shaft 62 passes through the outer seat body 21 and then extends into the inner seat body 22 to be drivingly connected with the gear 4.

[0061] like Figure 7 As shown, the outer seat body 21 includes a first base 211 and a first cover plate 212 connected to each other, the first base 211 includes a first bottom plate 213 and two first side plates 214 spaced apart on the first bottom plate 213, the first cover plate 212 and the side of each first side plate 214 away from the first bottom plate 213 can be detachably connected to jointly enclose a accommodating space 215 for accommodating the inner seat body 22; wherein, the motor body 61 is mounted on the first bottom plate 213, and each first side plate 214 is provided with a first avoidance hole 201.

[0062] Specifically, the first bottom plate 213 and the two first side plates 214 are an integrated structure, and the first base 211 and the first cover plate 212 are detachably connected via a plurality of second fasteners.

[0063] like Figures 8 to 10As shown, the inner seat body 22 includes a second base 221 and a second cover plate 222 connected to each other, and the second cover plate 222 is located on the side of the second base 221 away from the first bottom plate 213; the second base 221 includes a second bottom plate 223 and two second side plates 224 spaced apart around the second bottom plate 223, and the second cover plate 222 is detachably connected to the side of each second side plate 224 away from the second bottom plate 223 to jointly enclose an installation space 225 for installing the inner seat body 22; wherein each second side plate 224 is provided with a second avoidance hole 202.

[0064] Specifically, the second bottom plate 223 and the two second side plates 224 are an integrated structure, and the second base 221 and the second cover plate 222 are detachably connected via a plurality of third fasteners.

[0065] like Figure 6 As shown, the gear 4 includes a gear body 41 and a first gear shaft segment 42 and a second gear shaft segment 43 respectively located at both ends of the gear body 41, and the first gear shaft segment 42 is located on the side of the second gear shaft segment 43 away from the drive motor 6; a first bearing 7 is arranged on the second cover plate 222, and a second bearing 8 is arranged on the second bottom plate 223, the first gear shaft segment 42 is connected to the first bearing 7, the rotating shaft 62 is connected to the second bearing 8, and one end of the rotating shaft 62 passes through the second bearing 8 and is fixedly connected to the second gear shaft segment 43.

[0066] Specifically, the second cover plate 222 is provided with a first bearing mounting hole 204 for mounting the first bearing 7 , and the second bottom plate 223 is provided with a second bearing mounting hole 203 for mounting the second bearing 8 .

[0067] like Figures 6 to 11 As shown, the second cover plate 222 is provided with an inserting protrusion 226, and the inserting protrusion 226 is located on the side of the second cover plate 222 away from the second base 221; the inserting protrusion 226 is sleeved with a shaft sleeve 227, and the first cover plate 212 is provided with an inserting hole 216 for the shaft sleeve 227 to be inserted and plugged with the shaft sleeve 227.

[0068] like Figures 3 to 5 as well as Fig.11 As shown, the electric limiter includes a support assembly 9 , which is installed in the inner seat body 22 and located at a side of the main arm 3 away from the rack 5 to support the main arm 3 .

[0069] like Fig.11 As shown, the support assembly 9 includes: a mounting shaft 91 , both ends of which are mounted on the inner seat body 22 ; and a support wheel 92 , which is rotatably mounted on the mounting shaft 91 and in contact with the main arm 3 .

[0070] Specifically, both the second cover plate 222 and the second bottom plate 223 are provided with a mounting shaft hole 205 for mounting the end of the shaft 91 .

[0071] Specifically, the connecting plate 111 of the connecting seat body 11 of the pin seat 1 of the electric limiter is connected to the side panel of the vehicle body through a fourth fastener, and one of the two first side plates 214 of the outer seat body 21 of the limit seat 2 of the electric limiter is connected to the door body through a fifth fastener and is located in the sheet metal inner cavity of the door body.

[0072] The door opening process of the vehicle of the utility model is as follows:

[0073] When the door opening action begins, the drive motor 6 drives the gear 4 to rotate, and at the same time the support assembly 9 and the gear 4 jointly press the rack 5 to ensure the correct engagement of the gear 4 and the rack 5, so that the gear 4 drives the rack 5 to move, and the rack 5 transmits the door opening force to the side of the car body, so that the door opens.

[0074] like Fig.12 The figure shows the action flow chart of the vehicle of the present invention in closing the door by relying on the inertia of the door. The instantaneous speed of closing the door is 0.6m / s to 1.1m / s. The specific process is as follows:

[0075] (1) Passenger boarding process: pull the door handle or virtual button → detect the door frame micro-motion signal → the electric limiter moves slowly → stops slowly when the specified opening is reached → the drive motor performs braking / torque holding action → passengers board the vehicle → the PAD virtual button sends a door closing signal → the electric limiter accelerates evenly → reaches the minimum door-impacting speed → hits the door (door frame micro-motion signal) → the door is closed tightly → the electric limiter stops.

[0076] (2) Passenger disembarkation process: Pull the door handle or virtual button → Detect the door frame micro-motion signal → The electric limiter moves slowly → Stops slowly when the specified opening is reached → Drives the motor to brake / hold torque → Passengers disembark → Remote RO sends a door closing signal → The electric limiter accelerates slowly → Reaches the minimum door-impacting speed → Impinges on the door (door frame micro-motion signal) → Doors are closed tightly → The electric limiter stops.

[0077] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0078] The utility model discloses an inner door unlocking device, which is arranged inside a door body of a vehicle door, and a door handle is arranged on the door body. The inner door unlocking device comprises: a driving cylinder 110, which comprises a main cylinder body 101 and a piston rod 102 which is telescopically arranged on the main cylinder body 101, and the main cylinder body 101 is connected to the door body; a rotating assembly 120, which is hinged to one end of the door handle which is close to the inside of the door body; a steel wire rope 130 and two fixing members 140, wherein one end of the steel wire rope 130 passes through the free end of the piston rod 102 and is fixedly connected to the main body of the steel wire rope 130 through one of the two fixing members 140, and the other end of the steel wire rope 130 passes through the rotating assembly 120 and is fixedly connected to the main body of the steel wire rope 130 through the other of the two fixing members 140. In this way, the unlocking stroke of the unlocking device inside the door of the utility model can be adjusted by arranging a steel wire rope, and can be applicable to different models of vehicles. It has good versatility, unlocking effect and stability, and solves the problem that the unlocking stroke of the unlocking device inside the door in the prior art is fixed and is not applicable to different models, and solves the problem of damage to the door. While realizing the automatic unlocking function of the door, it will not affect the operation of manually unlocking the door. The unlocking device inside the door is installed in the door body and has no effect on the appearance of the door. The modification cost is low and the reliability is high. The unlocking device inside the door is universal and is suitable for modification of manual doors to automatic doors of most vehicles.

[0079] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0080] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0081] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0082] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0083] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0084] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A vehicle door unlocking device, characterized in that: The vehicle door inner unlocking device is arranged inside a vehicle door body of the vehicle door, and the vehicle door body is provided with a vehicle door handle. The vehicle door inner unlocking device comprises: A driving cylinder (110), the driving cylinder (110) comprising a main cylinder body (101) and a piston rod (102) telescopically arranged on the main cylinder body (101), the main cylinder body (101) being connected to the vehicle door body; A rotating assembly (120), the rotating assembly (120) being hinged to an end of the door handle close to the interior of the door body; A steel wire rope (130) and two fixing members (140), wherein one end of the steel wire rope (130) passes through the free end of the piston rod (102) and is fixedly connected to the main body of the steel wire rope (130) through one of the two fixing members (140), and the other end of the steel wire rope (130) passes through the rotating assembly (120) and is fixedly connected to the main body of the steel wire rope (130) through the other of the two fixing members (140).

2. The vehicle door inner unlocking device according to claim 1, characterized in that: The free end of the piston rod (102) is provided with a first through hole for allowing the steel wire rope (130) to pass through.

3. The vehicle door inner unlocking device according to claim 1, characterized in that: The rotating assembly (120) also includes a screw (121) and a nut (122) that are threadedly connected. The end of the door handle that is close to the interior of the door body is sleeved on the threaded section of the screw (121) and is located between the nut of the screw (121) and the nut (122). The nut of the screw (121) is provided with a second through hole (124) for the steel wire rope (130) to pass through.

4. The vehicle door inner unlocking device according to claim 3, characterized in that: The rotating assembly (120) further comprises a gasket (123), which is sleeved on the threaded section of the screw (121) and is located between the nut of the screw (121) and an end of the door handle close to the interior of the door body.

5. The vehicle door inner unlocking device according to claim 1, characterized in that: The fixing member (140) comprises a sleeve (141) and a set screw (143); the sleeve (141) is provided with a wire hole (142) for the steel wire rope (130) to pass through and a threaded hole (144) for installing the set screw (143); the wire hole (142) and the threaded hole (144) are connected, and the center line of the wire hole (142) and the center line of the threaded hole (144) are perpendicular to each other; one end of the set screw (143) passes through the threaded hole (144) and is pressed against the steel wire rope (130) in the wire hole (142).

6. The vehicle door inner unlocking device according to claim 1, characterized in that: The door unlocking device further comprises a rotation angle sensor, which is arranged on the door handle and is electrically connected to the drive cylinder (110) for detecting the real-time rotation angle of the door handle, so as to control the working state of the drive cylinder (110) according to the real-time rotation angle.

7. The vehicle door inner unlocking device according to claim 1, characterized in that: The driving cylinder (110) is an electric cylinder or a pneumatic cylinder.

8. The vehicle door inner unlocking device according to claim 1, characterized in that: The vehicle door inner unlocking device further comprises a fixing plate (150), wherein the fixing plate (150) is used for being fixedly connected to the vehicle door body, and the master cylinder (101) is mounted on the fixing plate (150).

9. A vehicle door, characterized in that: The invention comprises a vehicle door body and an inner door unlocking device according to any one of claims 1 to 8, wherein the inner door unlocking device is arranged in the vehicle door body and connected to a door handle on the vehicle door body.

10. A vehicle, characterized in that: The vehicle comprises a vehicle body and a vehicle door mounted on the vehicle body, wherein the vehicle door is the vehicle door according to claim 9.

11. The vehicle according to claim 10, characterized in that The vehicle further comprises an electric limiter (200), wherein the electric limiter (200) comprises: A pin shaft seat (1), wherein the pin shaft seat (1) is used for being installed on a vehicle body; A limit seat (2), the limit seat (2) being used for being installed in the vehicle door body; A main arm (3), wherein a first end of the main arm (3) is rotatably connected to the pin shaft seat (1), and a second end of the main arm (3) passes through the limit seat (2) and is inserted into the vehicle door body; a gear (4) and a rack (5), wherein the gear (4) is rotatably mounted on the limiting seat (2), and the rack (5) is mounted on the main arm (3) and is located on a side of the main arm (3) close to the gear (4) so ​​as to mesh with the gear (4); A drive motor (6), the drive motor (6) comprising a motor body (61) and a rotating shaft (62), the motor body (61) being mounted on the limit seat (2), the rotating shaft (62) being drivingly connected to the gear (4) to drive the gear (4) to rotate, so as to change the relative position between the door body and the vehicle body.

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