CN218716068U - High-adaptability function verification device for door lock in vehicle - Google Patents

Abstract

The utility model provides a high-adaptability function verification device for a vehicle interior door lock, which comprises a pushing mechanism and an unlocking mechanism; the pushing mechanism comprises a front shell, a thrust device, a sliding block, a connecting rod and a push plate, wherein the sliding block is connected to the front end of the thrust device, the push plate is hinged to the front end of the front shell, and the connecting rod is connected between the push plate and the sliding block; unlocking mechanism includes back casing, push rod, swing arm, drive assembly and fixture block, and back casing passes through fastener detachably fixed connection in the rear end of procapsid, and the front end of push rod passes through the bulb hinge and links to each other with thrust unit. The utility model discloses a high adaptability car interior door lock function verification device, the thrust that thrust device produced is acted on slider and push rod, drives the swing arm swing through the push rod, makes the fixture block drive the car door inner handle and pull open, unties the lock; the slide block generates a forward sliding trend under the action of thrust, whether the vehicle door can be opened or not is tested, and whether the function of the vehicle door lock is normal or not can be verified; and the left and right sides door all can be suitable for, practices thrift the cost.

Description

High-adaptability function verification device for door lock in vehicle

Technical Field

The utility model belongs to the technical field of automobile inspection, concretely relates to high adaptability lock function verification device in car.

Background

The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source, integrates advanced technologies in the aspects of power control and driving of the automobile, and is advanced in technical principle, new in technology and new in structure. The new energy automobile comprises a hybrid electric automobile, a pure electric automobile, a fuel cell electric automobile and the like. In recent years, electric vehicles are rapidly developed and widely popularized and applied, frequent safety accidents, particularly fire accidents of the electric vehicles, are caused, and most of the accidents are related to the carried power batteries, so that the fire resistance of the electric vehicles is directly related to the personal and property safety of drivers and passengers.

At present, the detection of a new energy automobile is not perfect enough, and a detection device for detecting whether the automobile door can be opened from the inner side is lacked, so that in the whole automobile burning test of the new energy automobile, a driver and a passenger can not be simulated to manually open the automobile door on the inner side of the automobile, and the functionality of an automobile inner door lock can not be verified; in addition, since the left door and the right door of the vehicle are left-right opposite to each other, there is no door opening device to which both the left door and the right door can be applied in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art, the utility model aims at providing a high adaptability lock function verification device in car.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-adaptability function verification device for a vehicle interior door lock comprises a pushing mechanism and an unlocking mechanism; the pushing mechanism comprises a front shell which can be fixedly arranged on the inner side of the vehicle door, a push plate which can be abutted against the vehicle operation panel, a connecting rod, a thrust device and a sliding block, wherein the thrust device and the sliding block are arranged in the front shell; the unlocking mechanism comprises a rear shell which is fixedly connected with the rear end of the front shell and can be fixedly arranged on the inner side of the vehicle door, a push rod arranged in the rear shell, and a swing arm which is rotatably arranged outside the rear shell through a first vertical rotating shaft fixedly connected with the rear shell, the rear shell is detachably and fixedly connected with the rear end of the front shell through a fastener, the push rod is slidably arranged in the rear shell along the front-rear direction of the vehicle door and extends into the front shell, the front end of the push rod is connected with the rear end of a thrust device through a ball head hinge, and the thrust device can generate thrust for enabling the slide block to slide forwards and enabling the push rod to slide forwards or backwards; one end of the swing arm, which is far away from the first vertical rotating shaft, is connected with a clamping block which can be clamped with a handle in the car door, and the push rod and the first vertical rotating shaft are in transmission connection through a transmission assembly, so that the swing arm is driven to swing by the push rod.

In the technical scheme, before the fire test of the whole vehicle, the verification device is arranged at the inner side of the vehicle door, and during the fire test of the whole vehicle, the thrust generated by the verification device acts on the sliding block and the push rod, so that the swing arm is driven by the push rod to swing, the clamping block drives the handle in the vehicle door to act to pull open, and the door lock is unlocked; meanwhile, the slide block generates a forward sliding trend under the thrust action of the thrust device, if the vehicle door can be opened, the slide block slides forward, the angle between the push plate and the front shell is opened through the acting force of the connecting rod, and the vehicle door is opened; if the vehicle door cannot be opened, the sliding block is blocked and cannot slide, and the vehicle door cannot be opened. Additionally, the utility model discloses a be in the same place through fastener detachably rigid coupling between back casing and the procapsid, and the push rod passes through the bulb hinge and links to each other with thrust device, and the accessible makes this verification device can be applicable to the opposite side door inboard around the axis rotation 180 at push rod place with the back casing from this.

The verification device of the utility model can simulate the action of manually opening the door of a driver and a passenger in the vehicle to meet the requirement of detecting whether the vehicle can open the door from the inner side or not so as to verify whether the function of the door lock in the vehicle is normal or not; and can be suitable for left side door and right side door and use, the commonality is strong, need not respectively to set up one set of verification device to left side door and right side door, can practice thrift the cost.

In a preferred embodiment of the present invention, the thrust device includes an outer sleeve, an inner sleeve, a first spring, a bayonet lock and a push-pull electromagnet, the outer sleeve and the inner sleeve are buckled together and mutually slide-fitted to form a thrust frame, the slider and the push rod are respectively connected with the front end and the rear end of the thrust frame, and the first spring is pressed in the thrust frame formed by the outer sleeve and the inner sleeve; the side walls of the outer sleeve and the inner sleeve are respectively provided with a pin hole, the two pin holes can be aligned and locked by inserting the bayonet lock after the first spring is compressed, and the push-pull electromagnet is fixedly arranged on the front shell and connected with the bayonet lock and used for controlling the bayonet lock to enter or exit from the pin hole of the inner sleeve.

In the technical scheme, in the detection process, the push-pull electromagnet is controlled to act outside the vehicle to drive the bayonet lock to exit from the pin hole of the inner sleeve, so that the elastic force of the first spring can be released, and forward thrust is generated on the sliding block and backward thrust is generated on the push rod; after the test is finished, the verification device can be reused by pressing the push plate and the push rod back to the initial position (reset) and clamping the pin holes of the outer sleeve and the inner sleeve by the clamping pins again.

In a preferred embodiment of the present invention, the outer sleeve is located at a rear side of the inner sleeve, the outer sleeve is a cylindrical structure with an open front end, the inner sleeve is a cylindrical structure with an open rear end, and the front housing is provided with a slide way corresponding to the outer sleeve and the inner sleeve.

Among the above-mentioned technical scheme, the slide plays spacing and guide effect to the slip of outer sleeve and inner skleeve, is convenient for the action and the reseing of slider and push rod.

The utility model discloses an in a preferred embodiment, still install the cover in the slide of outer sleeve and establish the second spring outside the push rod, the thrust frame passes through second spring and shell body elastic connection, and the elastic coefficient of second spring is less than the elastic coefficient of first spring.

In the technical scheme, the second spring is arranged, so that the whole thrust device can be pushed to the front side under the elastic action of the second spring before the elastic force of the first spring is released, the push rod is kept at the initial position, the swing arm is driven to generate enough swing amplitude in the subsequent test process, and the vehicle door is effectively unlocked; and the elastic coefficient of the second spring is smaller than that of the first spring, so that the second spring can be compressed after the elastic force of the first spring is released, and the push rod is driven to move backwards.

The utility model discloses an among the preferred embodiment, the drive assembly includes first gear train, one side rigid coupling of push rod has the first rack that extends along its length direction, first gear train include with first rack toothing's driven gear and with driven gear coaxial arrangement and can thereupon pivoted linkage gear, first vertical pivot rigid coupling have can with linkage gear engaged with output gear, driven gear, linkage gear and the equal rotatable mounting of output gear are in back casing.

Among the above-mentioned technical scheme, realize the horizontal rotary motion with the linear motion conversion driven gear of push rod fore-and-aft direction through the rack and pinion pair of first rack and driven gear, realize the change of height position through the driven gear and the linkage gear of coaxial setting, the change of rethread linkage gear and output gear realization horizontal position finally makes the rocking arm produce sufficient swing range, ensures to carry out effectual unblock to the door.

In another preferred embodiment of the present invention, the transmission assembly further includes a non-circular connecting shaft and a second gear set having the same structure as the first gear set, the push rod is fixed to the opposite side of the first rack and has a second rack, the driven gear of the second gear set is engaged with the second rack, and the linkage gear of the second gear set is also engaged with the output gear; the centers of the driven gears and the centers of the linkage gears of the two gear sets are respectively provided with a non-circular hole which can be in plug-in fit with the non-circular connecting shaft, the driven gears and the linkage gears are respectively installed in the rear shell in a single-degree-of-freedom rotation mode, and the non-circular connecting shaft can be selectively inserted into the non-circular hole of the driven gear and the linkage gear of one of the gear sets through a through hole in the top of the rear shell.

In the technical scheme, two gear sets are arranged, two gears of each gear set can rotate with single degree of freedom respectively, the non-circular connecting shaft is inserted into different gear sets, and the push rod can drive the swing arm to swing towards different directions (forwards or backwards) under the action of the thrust device. Because the orientations of the door inner handles of different vehicle types are not completely consistent, some of the door inner handles are forwards and some of the door inner handles are backwards, the noncircular connecting shafts can be inserted into the corresponding gear sets according to the orientation of the door inner handles through the structural design of the transmission assembly, and the universality of the verification device is improved.

In another preferred embodiment of the present invention, the connecting rod includes a front rod and a rear rod, which are coaxially slidably fitted and fastened by a locking screw.

Among the above-mentioned technical scheme, the length of link is adjustable, from this to different motorcycle types, can fix behind the door inboard at preceding casing and back casing, makes the push pedal homoenergetic near on car operating panel through the length of adjustment link, further improves this verification device's commonality.

The utility model discloses an in another kind of preferred embodiment, the fixture block is lower extreme open-ended can block the U-shaped piece on the handle in the door, perhaps the fixture block is for can overlapping the annular piece on the handle in the door.

Among the above-mentioned technical scheme, U-shaped piece and annular piece homoenergetic are quick be connected with door inner handle, under the swing of swing arm, drive door handle action in the car and untie the lock.

In another preferred embodiment of the present invention, the fixture block is rotatably connected to the swing arm through a second vertical shaft.

In the technical scheme, because a certain horizontal distance exists between the first vertical rotating shaft of the swing arm and the rotating shaft of the vehicle door inner handle, a certain degree of relative position change is generated between the swing arm and the vehicle door inner handle in the swing process, if the fixture block is fixedly connected with the swing arm, the inner space width of the fixture block needs to be increased, so that the matching precision of the fixture block and the vehicle door inner handle is reduced, and the stability is deteriorated; the fixture block of this scheme is installed in the swing arm through the vertical pivot of second, enables the fixture block around the vertical pivot free rotation of this second, and then adapts to above-mentioned relative position's change, can be relative reduce the interior hollow width of fixture block to keep with the effectual block of handle in the door.

In another preferred embodiment of the present invention, the front housing and the rear housing are both provided with engaging lugs for fixedly connecting with the inner side of the vehicle door.

Among the above-mentioned technical scheme, through setting up the engaging lug, the people of being convenient for use screw to pass engaging lug department and fix procapsid and rear housing at the door inboard, simple to operate.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view illustrating a highly adaptable door lock function verification device installed inside vehicles according to an embodiment of the present application.

Fig. 2 is a schematic cross-sectional structural view of a high-adaptability vehicle interior door lock function verification device of the embodiment before a vehicle door is opened.

Fig. 3 is a schematic cross-sectional structural view of the high-adaptability vehicle interior door lock function verification device of the embodiment after the vehicle door is opened.

Fig. 4 isbase:Sub>A partial cross-sectional view ofbase:Sub>A-base:Sub>A of fig. 2, with only one gear set.

FIG. 5 is another partial cross-sectional view A-A of FIG. 2, showing two gear sets.

Reference numerals in the drawings of the specification include: the automobile door lock comprises a non-circular connecting shaft 1, a push rod 2, a rear shell 3, a second spring 4, an outer sleeve 5, a first spring 6, an inner sleeve 7, a slider 8, a slide rail 9, a front shell 10, a driven gear 11, a bayonet 12, a push-pull electromagnet 13, a locking screw 14, a rear rod 15, a front rod 16, a push plate 17, a non-circular hole 18, a linkage gear 19, an output gear 20, a first vertical rotating shaft 21, a swing arm 22, a second vertical rotating shaft 23, a clamping block 24, a connecting lug 25, an automobile door 26, an automobile operation panel 27, a thrust device 28, a connecting rod 29, a transmission assembly 30, a ball joint 31 and a fastener 32.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The utility model provides a high adaptability car inner door lock function verification device (verification device for short) the utility model discloses an among the preferred embodiment, this verification device includes pushing mechanism and release mechanism.

As shown in fig. 1 and 2, the pushing mechanism includes a front case 10 capable of being fixedly mounted inside a vehicle door 26, a push plate 18 capable of abutting against an operation panel 27 of the vehicle, a link 29, and a pusher 29 and a slider 8 mounted in the front case 10. The slider 8 is slidably mounted in the front housing 10 along the front-rear direction of the vehicle door 26 and connected to the front end of the thrust device 29, the push plate 17 is hinged to the front end of the front housing 10 through a link, and the two ends of the link 29 are respectively connected with the push plate 18 and the slider 8 through a pin to form a planar rocker slider mechanism.

As shown in fig. 1, 2 and 4, the unlocking mechanism includes a rear housing 3 connected to the rear end of the front housing 10 and capable of being fixedly mounted inside a vehicle door 26, a push rod 2 mounted in the rear housing 3, and a swing arm 22 rotatably mounted outside the rear housing 3 by a first vertical rotating shaft 21 fixed thereto, for example, the swing arm 22 is mounted on the bottom surface of the rear housing 3. The rear case 3 is detachably fixedly attached to the rear end of the front case 10 by fasteners 32 such as bolts. The push rod 2 is slidably mounted in the rear case 3 in the front-rear direction of the vehicle door 26 and extends into the front case 10 to be connected to the rear end of the pusher 28 by a ball joint hinge 31. The thrust device 28 can generate a forward force to the slide block 8 and a forward or backward force to the push rod 2, and the thrust device 28 is a device capable of providing a thrust force along a straight line, such as a hydraulic cylinder, a pneumatic cylinder, a linear motor, and the like, and can satisfy the function thereof.

Swing arm 22's one end is rotated through first vertical rotating shaft 21 and is installed in the bottom surface of back casing 3, and swing arm 22's the other end is connected with the fixture block 24 that can with the interior handle joint of door, connects through drive assembly 30 transmission between push rod 2 and the first vertical rotating shaft 21 to make swing arm 22 drive the swing by push rod 2. The utility model discloses in, fixture block 24 is lower extreme open-ended can block the U-shaped piece on the handle in the door, perhaps fixture block 24 is for can overlapping the annular piece on the handle in the door.

Before the whole vehicle burning test of the new energy vehicle, the front shell 10 and the rear shell 3 of the verification device are fixedly arranged on the inner side of a vehicle door 26, such as the inner side of a left vehicle door shown in fig. 1, then the clamping block 24 is clamped on a handle in the vehicle door, and the front end face of the push plate 17 is abutted against an operation panel 27 of the vehicle. When the whole vehicle is subjected to a fire test, the thrust device 28 is started, the thrust generated by the thrust device 28 acts on the sliding block 8 and the push rod 2, and then the push rod 2 drives the swing arm 22 to swing, so that the clamping block 24 drives the inner door handle of the vehicle door to open and unlock the door lock. The slider 8 has a tendency to slide forward due to the thrust of the thrust device 28, and if the door 26 can be opened, the slider 8 slides forward, and the angle between the push plate 17 and the front case 10 is opened by the action force of the link 29, so that the door 26 is opened; if the door 26 cannot be opened, the slider 8 is locked and cannot slide, and the door 26 cannot be opened.

The utility model discloses a be in the same place through fastener 32 detachably rigid coupling between back casing 3 and the procapsid 10, and the front end of push rod 2 passes through ball head hinge 31 and links to each other with thrust unit 28, can be after dismantling fastener 32 from this, with the rotatory 180 of axis at back casing 3 around push rod 2 place, make rocking arm 22 be located the top of back casing 3, reuse fastener 26 is fixed procapsid 10 and back casing 3. The front housing 10 and the rear housing 3 of the verification device are then fixedly mounted on the inside of the right side door, and the latch 24 is latched to the right side door inner handle. The utility model discloses a verifying attachment can be suitable for left side door and right side door and use, and the commonality is strong, need not respectively to set up one set of verifying attachment to left side door and right side door, can practice thrift the cost.

It should be noted that the size of the hole in the rear end of the front housing 10 through which the push rod 2 passes is set appropriately according to the space required for the front housing 10 to rotate 180 ° about the axis on which the push rod 2 is located.

In another preferred embodiment, as shown in figures 2 and 3, the thrust means 28 comprises an outer sleeve 5, an inner sleeve 7, a first spring 6, a detent 12 and a push-pull electromagnet 13. The outer sleeve 5 and the inner sleeve 7 are buckled together and are mutually matched in a sliding way to form a thrust frame, and the sliding block 8 and the push rod 2 are respectively connected with the front end and the rear end of the thrust frame. The first spring 6 is compressed in the cavity formed between the outer sleeve 5 and the inner sleeve 7 (i.e. the first spring 6 is located in the thrust frame). The side walls of the outer and inner sleeves 5, 7 are each provided with a pin hole which is aligned after compression of the first spring 6 and locked by insertion of a bayonet 12. A push-pull electromagnet 13 is fixedly mounted on the front housing 10 and is connected to the pin 12 for controlling the pin 12 to enter or exit the pin hole of the inner sleeve 7.

As shown in fig. 2, the first spring 6 of the present embodiment is previously compressed between the outer sleeve 5 and the inner sleeve 7, and is inserted into the pin holes of the outer sleeve 5 and the inner sleeve 7 with the click pin 12 to lock both. As shown in fig. 3, in the detection process, the push-pull electromagnet 13 is controlled to act outside the vehicle, the push-pull electromagnet 13 drives the bayonet 12 to exit from the pin hole of the inner sleeve 7, so that the elastic force of the first spring 6 can be released, the inner sleeve 7 slides forwards, the outer sleeve 5 slides backwards, the inner sleeve 7 pushes the slider 8 to slide forwards, and the inner sleeve 7 pushes the push rod 2 to slide backwards. By properly setting the lengths of the outer sleeve 5 and the inner sleeve 7, the two are kept in registration without separation. After the test is finished, the pin holes of the outer sleeve 5 and the inner sleeve 7 can be clamped by pressing the push plate 17 and the push rod 2 back to the initial position (reset) and using the clamping pins 12 again.

In another preferred embodiment, as shown in fig. 2 and 3, the outer sleeve 5 is located at the rear side of the inner sleeve 7, the outer sleeve 5 has a front end open cylindrical structure, the inner sleeve 7 has a rear end open cylindrical structure, and the front housing 10 is provided with slide ways 9 corresponding to the outer sleeve 5 and the inner sleeve 7, respectively.

In another preferred embodiment, as shown in fig. 2 and 3, a second spring 4 is further installed in the slide way 9 of the outer sleeve 5 and sleeved outside the push rod, the second spring 4 is a tower spring, the outer sleeve 5 of the thrust frame is elastically connected with the outer housing 10 through the second spring, and the second spring 4 is used for providing forward thrust for the outer sleeve 5. The elastic coefficient of the second spring 4 is smaller than that of the first spring 6, so that the second spring 4 can be compressed and the push rod 2 can be driven to move after the elastic force of the first spring 6 is released; meanwhile, the second spring 4 is arranged, so that the whole thrust device 29 can be pushed to the front side through the elastic force of the second spring 4 before the elastic force of the first spring 6 is released, the push rod 2 is further kept at the initial position, and the swing arm 22 is driven to generate enough swing amplitude in the subsequent test process, so that the effective unlocking of the vehicle door 26 is ensured.

In another preferred embodiment, as shown in fig. 2, the link 29 comprises a front rod 16 and a rear rod 15, the front rod 16 and the rear rod 15 being coaxially slidably fitted and fastened by a locking screw 14. The length of the link 29 can be changed by adjusting the locking screw 14, and the push plate 17 can be abutted against the automobile operation panel 27 by adjusting the length of the link 29 after the front case 10 and the rear case 3 are fixed to the inner side of the door 26 for different vehicle types.

In another preferred embodiment, as shown in fig. 4, the latch 24 is rotatably connected to the swing arm 22 through a second vertical rotating shaft 23. Because the first vertical rotating shaft 21 of the swing arm 22 has a certain distance with the rotating shaft of the vehicle door inner handle, a certain degree of relative position change is generated between the swing arm 22 and the vehicle door inner handle in the swing process, if the fixture block 24 is fixedly connected with the swing arm 22, the internal space width of the fixture block 24 (which refers to the width of the U-shaped opening of the U-shaped block or the internal space width of the annular block) needs to be increased, so that the matching precision of the fixture block 24 and the vehicle door inner handle is reduced, and the stability is poor; the fixture block 24 is mounted on the swing arm 22 through the second vertical rotating shaft 23, so that the fixture block 24 can freely rotate around the second vertical rotating shaft 23, the relative position change is further adapted, the internal space width of the fixture block 24 can be relatively reduced, and the fixture block can be effectively clamped with the inner handle of the vehicle door.

As shown in fig. 2 and 4, in an embodiment of the present invention, the transmission assembly 30 includes a first gear set, for example, the first gear set is disposed at the right side of the push rod 2 shown in fig. 4. The right side of the push rod 2 is fixedly connected with a first rack extending along the length direction thereof, the first gear set comprises a driven gear 11 engaged with the first rack and a linkage gear 19 coaxially arranged with the driven gear 11 and capable of rotating therewith, for example, the driven gear 11 and the linkage gear 19 are connected through a transmission shaft or fixedly connected with both. An output gear 20 capable of being externally meshed with the linkage gear 19 is fixedly connected to the upper end of the first vertical rotating shaft 21, the output gear 20 is located right below the push rod 2, and the driven gear 11, the linkage gear 19 and the output gear 20 can be rotatably installed in the rear shell 3.

As shown in fig. 1, to explain in a backward direction of the door inner handle, as can be seen from fig. 2 to 4, the outer sleeve 5 slides backward by the elastic force released by the first spring 6, the push rod 2 slides backward by the outer sleeve 5, the driven gear 11 on the right side is rotated counterclockwise by the first rack on the push rod 2 (looking down on the driven gear), the interlocking gear 19 rotates counterclockwise with the driven gear 11, the interlocking gear 19 rotates the output gear 20 clockwise, and the output gear 20 swings the swing arm 22 backward by the first vertical rotation shaft 21 to pull the door inner handle.

As shown in fig. 2 and 5, it is further preferable that the transmission assembly 30 further includes a non-circular connecting shaft 1 and a second gear set having the same structure as the first gear set, the second gear set is disposed on the left side of the push rod 2, and the two gear sets are symmetrically disposed. The non-circular connecting shaft 1 can be an elliptical shaft, a square shaft, a trapezoidal shaft, a triangular shaft and the like, and can transmit torque as long as the non-circular shaft is not used. A second rack is fixedly connected to the left side of the push rod 2, a driven gear 11 of the second gear set is meshed with the second rack, and a linkage gear 19 of the second gear set is also meshed with an output gear 20.

The centers of the driven gears 11 and the linkage gears 19 of the two sets of gear sets are both provided with non-circular holes 18 which can be matched with the non-circular connecting shafts 1 in an inserting manner, for example, the non-circular connecting shafts 1 are square shafts, and the non-circular holes 18 are square holes. The driven gear 11 and the linkage gear 19 of each gear set are respectively rotatably arranged in the rear shell 3 in a single degree of freedom, and the non-circular connecting shaft 1 can be selectively inserted into the non-circular hole 18 of the driven gear 11 and the linkage gear 19 of one gear set through a through hole in the top of the rear shell 3.

With the above technical solution, if the non-circular connecting shaft 1 is inserted into the non-circular holes 19 of the right driven gear 11 and the linkage gear 19, when the push rod 2 slides backwards, only the right linkage gear 19 rotates counterclockwise with the right driven gear 11, so that the swing arm 22 swings backwards to pull the door inner handle backwards, the left driven gear 11 and the left linkage gear 19 slip, and the left linkage gear 19 does not rotate with the left driven gear 11. On the contrary, when the non-circular connecting shaft 1 is inserted into the non-circular holes 19 of the left driven gear 11 and the interlocking gear 19, when the push rod 2 slides backward, only the left interlocking gear 19 rotates clockwise and counterclockwise with the left driven gear 11, so that the swing arm 22 swings forward to open the door inner handle in the forward direction, the right driven gear 11 and the right interlocking gear 19 slide, and the right interlocking gear 19 does not rotate with the right driven gear 11.

In another preferred embodiment, as shown in fig. 1, the front case 10 and the rear case 3 are respectively provided with engaging lugs 25 for fixedly mounting with a vehicle door 26. During installation, holes can be drilled in the vehicle door trim panel in advance, and then screws penetrate through the connecting lugs 25 to fix the front shell 10 and the rear shell 3 on the inner side of the vehicle door 26, so that the installation is convenient; moreover, in order to adapt to the curved surface structure of the door trim panel, a support sleeve with a proper length can be sleeved on the part of the screw passing through the connecting lug 25, so that the stability of the fixed installation of the front shell 10 and the rear shell 3 is ensured.

In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A high-adaptability function verification device for a vehicle interior door lock is characterized by comprising a pushing mechanism and an unlocking mechanism;

the pushing mechanism comprises a front shell which can be fixedly arranged on the inner side of the vehicle door, a push plate which can be abutted against an automobile operation panel, a connecting rod, a thrust device and a sliding block, wherein the thrust device and the sliding block are arranged in the front shell;

the unlocking mechanism comprises a rear shell which is connected with the rear end of the front shell and can be fixedly installed on the inner side of the vehicle door, a push rod installed in the rear shell, and a swing arm which is rotatably installed outside the rear shell through a first vertical rotating shaft fixedly connected with the rear shell, the rear shell is detachably and fixedly connected with the rear end of the front shell through a fastener, the push rod is installed in the rear shell in a sliding mode along the front-rear direction of the vehicle door and extends into the front shell, the front end of the push rod is connected with the rear end of a thrust device through a ball head hinge, and the thrust device can generate forward force on the slide block and can generate forward or backward force on the push rod;

the swing arm is kept away from the one end of first vertical pivot and is connected with the fixture block that can with door inner handle joint, be connected through the transmission of drive assembly between push rod and the first vertical pivot to make the swing arm drive the swing by the push rod.

2. The high-adaptability vehicle interior door lock function verification device according to claim 1, wherein the thrust device comprises an outer sleeve, an inner sleeve, a first spring, a bayonet lock and a push-pull electromagnet, the outer sleeve and the inner sleeve are buckled together and mutually matched in a sliding manner to form a thrust frame, the sliding block and the push rod are respectively connected with the front end and the rear end of the thrust frame, and the first spring is pressed in the thrust frame formed by the outer sleeve and the inner sleeve; the side walls of the outer sleeve and the inner sleeve are respectively provided with a pin hole, the two pin holes can be aligned and inserted into the bayonet lock to be locked after the first spring is compressed, and the push-pull electromagnet is fixedly arranged on the front shell and connected with the bayonet lock and used for controlling the bayonet lock to enter or exit from the pin hole of the inner sleeve.

3. The high-adaptability vehicle interior door lock function verification device according to claim 2, wherein the outer sleeve is located at the rear side of the inner sleeve, the outer sleeve is of a cylindrical structure with an opening at the front end, the inner sleeve is of a cylindrical structure with an opening at the rear end, and slide ways are respectively arranged in the front shell corresponding to the outer sleeve and the inner sleeve.

4. The high-adaptability vehicle interior door lock function verification device according to claim 3, wherein a second spring sleeved outside the push rod is further installed in the slide way of the outer sleeve, the thrust frame is elastically connected with the outer shell through the second spring, and the elastic coefficient of the second spring is smaller than that of the first spring.

5. The high-adaptability vehicle interior door lock function verification device according to any one of claims 1 to 4, wherein the transmission assembly comprises a first gear set, a first rack extending along the length direction of the push rod is fixedly connected to one side of the push rod, the first gear set comprises a driven gear meshed with the first rack and a linkage gear coaxially arranged with the driven gear and capable of rotating along with the driven gear, an output gear capable of being externally meshed with the linkage gear is fixedly connected to the first vertical rotating shaft, and the driven gear, the linkage gear and the output gear are rotatably mounted in the rear housing.

6. The high-adaptability vehicle interior door lock function verification device according to claim 5, wherein the transmission assembly further comprises a non-circular connecting shaft and a second gear set with the same structure as the first gear set, a second rack is fixedly connected to the push rod on the opposite side of the first rack, a driven gear of the second gear set is meshed with the second rack, and a linkage gear of the second gear set is also meshed with the output gear;

the centers of the driven gears and the centers of the linkage gears of the two gear sets are respectively provided with a non-circular hole which can be in plug-in fit with the non-circular connecting shaft, the driven gears and the linkage gears are respectively installed in the rear shell in a single-degree-of-freedom rotation mode, and the non-circular connecting shaft can be selectively inserted into the non-circular hole of the driven gear and the non-circular hole of the linkage gear of one of the gear sets through a through hole in the top of the rear shell.

7. The high-adaptability vehicle interior door lock function verification device according to any one of claims 1-4, wherein the connecting rod comprises a front rod and a rear rod, and the front rod and the rear rod are coaxially slidably matched and fastened through locking screws.

8. The high-adaptability vehicle interior door lock function verification device according to any one of claims 1 to 4, wherein the clamping block is a U-shaped block with an opening at the lower end and capable of being clamped on a vehicle door inner handle, or the clamping block is an annular block capable of being sleeved on a vehicle door inner handle.

9. The high-adaptability vehicle interior door lock function verification device according to claim 8, wherein the fixture block is rotatably connected with the swing arm through a second vertical rotating shaft.

10. The high-adaptability vehicle interior door lock function verifying device as claimed in any one of claims 1 to 4, wherein the front shell and the rear shell are provided with connecting lugs for fixedly connecting with the inner side of the vehicle door.

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