Cover door sensing device of automobile with side sliding door

Abstract

A cover door sensing device of a side sliding door automobile comprises a support and a spring bolt, a pin shaft is fixedly arranged on the front face of the support, the fixed end of a rotating arm is hinged to the pin shaft, a torsion spring is arranged at the fixed end of the rotating arm and sleeved on the pin shaft, one end of the torsion spring is fixedly connected with the rotating arm, and the other end of the torsion spring is fixedly connected with the support. The free end of the rotating arm is provided with a strip-shaped hole, the strip-shaped hole is used for installing an inhaul cable connector at one end of an inhaul cable steel wire rope, an inhaul cable connector displacement freedom degree is reserved in the strip-shaped hole, the other end of the inhaul cable steel wire rope is used for being connected with an interlocking mechanism, the back face of the support is in sliding fit with a spring bolt, and the tail end of the spring bolt is provided with a transversely-extending push arm. The push arm penetrates through a guide groove formed in the support to make contact with the free end of the rotary arm, the lock tongue pushes the rotary arm to rotate so that the interlocking mechanism can be unlocked, or the torsion spring drives the rotary arm to push the lock tongue to extend outwards, and the inhaul cable pulls the interlocking mechanism to conduct locking.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of side sliding door automobile, concretely relates to a side sliding door automobile's cover door sensing device. BACKGROUND

[0002] The door of part of present automobile adopts the side sliding door, when sliding the side sliding door, the side sliding door slides to the rear wheel direction, can cover the outer facade of the area above the rear wheel, and the area above the rear wheel is equipped with the refueling cover door or the charging cover door, when opening the refueling cover door or the charging cover door, for the refueling or the charging of automobile, in order to prevent the collision of the side sliding door and the refueling cover door or the charging cover door, causes the damage of refueling cover door or charging cover door, even causes the damage of refueling gun or charging gun, in the prior art, will set up a cover door sensing device, when the refueling cover door or the charging cover door opens, the lock tongue of cover door sensing device pushes out, makes its swing arm rotate, pulls the inhaul cable, makes the interlocking mechanism connected with the other end of inhaul cable lock and limit the slider of side sliding door, makes the side sliding door unable to slide back, protects the refueling cover door or the charging cover door.

[0003] The existing cover door sensing device, such as the patent "tank cap device" with the announcement number JP4336604B2, its cover door sensing device sets up two swing arms and two torsion springs on the same pivot, and is located on both sides of the bracket, both swing arms are metal materials, the free end of one swing arm is fixed with an inhaul cable, the inhaul cable drives the interlocking mechanism, limits the slider of side sliding door, the free end of the other swing arm contacts with the boss of the tail of lock tongue, and the torsion spring is inserted into the inside of lock tongue. The existing cover door sensing device has the following two problems: 1. the lock tongue of cover door sensing device will swing in the movement process, the stability of lock tongue movement is poor, and the distance between lock tongue and torsion spring is relatively short, in the movement process of lock tongue, lock tongue and torsion spring will rub each other, reduce the service life. 2. when the cover door sensing device is in the closed state, namely the refueling cover door or the charging cover door is closed, the distance between the swing arm of cover door sensing device and the interlocking mechanism of the other end of inhaul cable is shortened, causes the relatively long part of steel wire rope of inhaul cable, the relatively long part of steel wire rope cannot be accommodated and appears to be folded, and the steel wire rope is easily broken. SUMMARY

[0004] The utility model in the prior art can avoid the swing of lock tongue in the movement process, improve the stability of lock tongue, prevent the mutual friction of lock tongue and torsion spring, prolong the service life of cover door sensing device, and also solve the problem of folding and breaking of steel wire rope.

[0005] The technical solution of this utility model is as follows: a door sensor device for a sliding door automobile, including a bracket and a latch. A pin is fixedly installed on the front of the bracket, and the fixed end of a rotating arm is hinged to the pin. A torsion spring is installed on the fixed end of the rotating arm, and the torsion spring is sleeved on the pin. One end of the torsion spring is fixedly connected to the rotating arm, and the other end is fixedly connected to the bracket. A strip hole is provided at the free end of the rotating arm. The strip hole is used to install a cable connector at one end of a cable wire rope. The strip hole allows for the displacement freedom of the cable connector. The other end of the cable wire rope is used to connect to an interlocking mechanism. The latch slides on the back of the bracket. A laterally extending push arm is provided at the tail end of the latch. The push arm passes through a guide groove provided on the bracket and contacts the free end of the rotating arm. The latch pushes the rotating arm to rotate, thereby unlocking the interlocking mechanism. Alternatively, the torsion spring drives the rotating arm to push the latch outward, and the cable pulls the interlocking mechanism to lock.

[0006] Preferably, the bracket is provided with a micro switch, and a boss extends radially from the fixed end of the rotating arm. The boss is used to control the opening and closing of the micro switch by rotating the rotating arm, and to send a signal for the cover to be closed or opened.

[0007] Preferably, a protective plate is provided on the micro switch to protect the micro switch.

[0008] Preferably, the push arm at the tail of the locking tongue is L-shaped, and a groove is provided on one side of the rotating arm. The push arm slides in conjunction with the groove so that the push arm can slide along the groove.

[0009] Preferably, the bracket has a sleeve mounting bracket on its side, the sleeve mounting bracket has an open slot, a locking tongue sleeve is engaged with the sleeve mounting bracket through the open slot, and the locking tongue part is installed inside the locking tongue sleeve.

[0010] Preferably, the opening of the slot is smaller than the diameter of the locking tongue sleeve.

[0011] Preferably, the extended end of the latch sleeve is provided with a connecting part for fixed connection with the vehicle body, and a rubber washer is fitted on the latch sleeve for shock absorption.

[0012] Preferably, the bracket is provided with a snap-fit ​​mounting hole, and a snap-fit ​​is used to snap and fix the bracket through the snap-fit ​​mounting hole.

[0013] Preferably, a cable fixing bracket is provided on one side of the bracket, and the cable is fixed on the cable fixing bracket.

[0014] Preferably, the guide groove has outward-facing flange protrusions at both ends.

[0015] The advantages of this utility model are:

[0016] 1. The utility model discloses a guide groove is established on the support, makes the lock tongue can move along the guide groove, avoids the lock tongue to appear swing in the movement process, improves the stability of lock tongue movement, and the inside lock tongue does not need to insert torsional spring alone, can avoid the interference of lock tongue with torsional spring when moving therefore, prolongs the service life of device.

[0017] 2. The utility model discloses a strip hole is equipped on the free end of the swing arm, when the cover door is closed, the cable joint of the steel wire rope moves in the strip hole, the relatively lengthened part of the cable steel wire rope is drawn into the strip hole, avoids the cable steel wire rope to fold and break.

[0018] 3. The utility model discloses a swing arm only has one, and is the plastic material, simple structure has realized the lightweight of product, reduced the product cost. DRAWINGS

[0019] Fig. 1 It is the explosion drawing of the utility model;

[0020] Fig. 2 It is the structure schematic drawing when the cover door of the utility model is opened;

[0021] Fig. 3 It is the structure schematic drawing when the cover door of the utility model is closed.

[0022] Figure legend explanation: 1, support;11, guide groove;12, sleeve installation support;121, opening clamping groove;13, cable fixed support;14, buckle installation hole;2, swing arm;21, strip hole;22, boss;23, sliding slot;3, pin shaft;4, lock tongue;41, push arm;5, cable;51, cable joint;6, lock tongue sleeve;7, microswitch;71, protection sheet;8, torsional spring;9, rubber washer;10, buckle. SPECIFIC IMPLEMENTATION

[0023] See Figs. 1 to 3The utility model provides a cover door sensing device of side sliding door automobile, including support 1, lock tongue 4, the positive surface of support 1 is fixedly arranged a pin shaft 3, the pin shaft 3 can be fixed on support 1 through thread, riveting and so on, the fixed end of a swing arm 2 is hinged with pin shaft 3, the swing arm 2 is plastic material, can reduce weight, save cost, the fixed end of swing arm 2 is provided with a torsional spring 8, the torsional spring 8 is covered on pin shaft 3, one end of torsional spring 8 is fixedly connected with swing arm 2, the other end is fixedly connected with support 1, support 1 is equipped with a micro switch 7, the fixed end of swing arm 2 extends a boss 22 radially, the boss 22 is used for when swing arm 2 rotates, controls the opening and closing of micro switch 7, makes micro switch 7 send cover door closing or opening signal to electronic controller (ECU), the micro switch 7 is provided with a protection sheet 71, is used for protecting micro switch 7, prevents other parts from falling, stagnation in the side of micro switch 7 during the process of main plant installation, causes the invalidation of micro switch 7, the free end of swing arm is provided with a strip hole 21, the strip hole 21 is used for installing the cable connector 51 of one end of cable 5 steel wire rope, and strip hole 21 has the displacement freedom degree of cable connector 51, can absorb the length of cable steel wire rope, solves the problem that steel wire rope breaks due to the burr, and the other end of cable 5 steel wire rope is used for connecting interlocking mechanism, the back of support 1 is slidably fitted with lock tongue 4, the tail end of lock tongue 4 is provided with a transversely extending push arm 41, the push arm 41 passes through the guide groove 11 provided on support 1 and is contacted with the free end of swing arm 2, so that the push arm 41 can push swing arm 2 to rotate when sliding along the guide groove, the both ends of guide groove are provided with outward flanging protrusions, and the push arm 41 is positioned and protected when the lock tongue moves, the push arm 41 of the tail of lock tongue 4 is L-shaped, one side of swing arm 2 is provided with a sliding groove 23, the L-shaped push arm 41 and the sliding groove 23 form sliding cooperation, when the lock tongue 4 is pushed, the push arm 41 can slide along the sliding groove 23, thereby pushing swing arm 2 to rotate to unlock the interlocking mechanism, or the swing arm 2 is driven by the torsional spring 8 to push the lock tongue 4 to extend outward, and the interlocking mechanism is locked by the cable 5. One side of support 1 is provided with a cable fixing bracket 13, the cable 5 is fixed on the cable fixing bracket 13, the other side of support 1 is provided with a sleeve mounting bracket 12, the sleeve mounting bracket 12 is provided with an open clamping groove 121, a lock tongue sleeve 6 is clamped and fixed on the sleeve mounting bracket 12 through the open clamping groove 121, and the head of lock tongue 4 is mounted in the lock tongue sleeve 6, the opening of open clamping groove 121 is smaller than the diameter of lock tongue sleeve 6, to prevent the lock tongue sleeve 6 from falling off from the opening part, the extension end of lock tongue sleeve 6 is provided with a connecting part, the connecting part is a thread, a buckle and the like, the device is fixedly connected with the vehicle body through the connecting part, a rubber washer (9) is covered on the lock tongue sleeve (6), can buffer and dampen the impact of lock tongue during the movement of lock tongue, and protects the lock tongue, the support is provided with buckle mounting hole 14, a buckle 10 is clamped and fixed on the vehicle body through buckle mounting hole 14.

[0024] The working process of the utility model is: when the refueling cover door or the charging cover door of the side sliding door automobile is closed, the cover door presses the head of the lock tongue 4, pushes the lock tongue 4 to move left to drive the rotating arm 2 to rotate clockwise to make the torsion spring 8 twist; when the rotating arm 2 rotates clockwise, on the one hand, the boss 22 of the fixed end of the rotating arm 2 presses down the spring sheet of the micro switch 7 to make the micro switch 7 send the cover door closing signal to the electronic controller (ECU) to inform the driver that the cover door has been closed; on the other hand, the cable 5 connected with the free end of the rotating arm 2 is pulled to unlock the interlocking mechanism to make the side sliding door of the automobile slide backward to open; when the refueling cover door or the charging cover door of the side sliding door automobile is opened, the cover door does not press the lock tongue 4, the torsion spring 8 restores to drive the rotating arm 2 to rotate counterclockwise to push the lock tongue 4 to move right to push out, the boss 22 of the fixed end of the rotating arm 2 leaves the spring sheet of the micro switch 7, the micro switch signal is disconnected, and the disconnected signal is sent to the electronic controller (ECU) to inform the driver that the cover door has been opened, the cable 5 connected with the free end of the rotating arm 2 is pulled to make the interlocking mechanism lock and limit the slider of the side sliding door to make the side sliding door not slide backward to protect the refueling cover door or the charging cover door.

[0025] The above only is the preferred embodiment of the utility model, and is not used for limiting the utility model, and the change of the utility model carried out by the person skilled in the art without departing from the spirit of the utility model falls in the protection scope of the utility model.

Claims

1. A cover door sensing device for a side sliding door vehicle, comprising a bracket (1), a lock tongue (4), characterized in that: The front of the bracket (1) is fixedly provided with a pin shaft (3), the fixed end of a rotating arm (2) is hingedly connected with the pin shaft (3), the fixed end of the rotating arm (2) is provided with a torsion spring (8), the torsion spring (8) is sleeved on the pin shaft (3), one end of the torsion spring (8) is fixedly connected with the rotating arm (2), and the other end is fixedly connected with the bracket (1); the free end of the rotating arm (2) is provided with a strip-shaped hole (21), the strip-shaped hole (21) is used for mounting a cable connector (51) of one end of a steel wire rope of a cable (5), the strip-shaped hole (21) has a displacement freedom degree of the cable connector (51), and the other end of the steel wire rope of the cable (5) is used for connecting an interlocking mechanism; the back of the bracket (1) is slidably connected with a lock tongue (4), the tail end of the lock tongue (4) is provided with a transversely extending push arm (41), the push arm (41) passes through a guide groove (11) arranged on the bracket (1) and is in contact with the free end of the rotating arm (2), the interlocking mechanism is unlocked by pushing the rotating arm (2) to rotate through the lock tongue (4), or the lock tongue (4) is pushed out by the rotating arm (2) driven by the torsion spring (8), and the interlocking mechanism is locked by pulling through the cable (5).

2. A side sliding door vehicle door sensing device according to claim 1, wherein: The bracket (1) is provided with a micro switch (7), the fixed end of the rotating arm (2) extends radially and is provided with a boss (22), and the boss (22) is used for controlling the opening and closing of the micro switch (7) by rotating the rotating arm (2) to send a cover door closing or opening signal.

3. A side sliding door vehicle door sensing device according to claim 2, wherein: The micro switch (7) is provided with a protection sheet (71) for protecting the micro switch (7).

4. The sensing device for a gate door of a side sliding door vehicle according to claim 1, wherein: The push arm (41) at the tail of the lock tongue (4) is in an L shape, one side of the rotating arm (2) is provided with a sliding groove (23), and the push arm (41) is slidably connected with the sliding groove (23), so that the push arm (41) can slide along the sliding groove (23).

5. The sensing device for a side sliding door vehicle according to claim 1, wherein: The bracket (1) is provided with a sleeve mounting bracket (12) on the side, the sleeve mounting bracket (12) is provided with an open clamping groove (121), a lock tongue sleeve (6) is clamped on the sleeve mounting bracket (12) through the open clamping groove (121), and the head of the lock tongue (4) is mounted in the lock tongue sleeve (6).

6. A side sliding door vehicle door sensing device according to claim 5, wherein: The opening of the open clamping groove (121) is smaller than the diameter of the lock tongue sleeve (6).

7. A door sensing device for a side sliding door vehicle according to claim 5, wherein: The extension end of the lock tongue sleeve (6) is provided with a connecting portion for being fixedly connected with a vehicle body, and a rubber gasket (9) is sleeved on the lock tongue sleeve (6) and used for damping.

8. The sensing device for a gate door of a side sliding door vehicle according to claim 1, wherein: The bracket (1) is provided with buckle mounting holes (14), and a buckle (10) is clamped and fixed on the bracket (1) through the buckle mounting holes (14).

9. The sensing device for a gate door of a side sliding door vehicle according to claim 1, wherein: The bracket (1) is provided with a cable fixing bracket (13) on one side, and the cable (5) is fixed on the cable fixing bracket (13).

10. The side sliding door vehicle door sensing device of claim 1, wherein: The guide groove (11) is provided with outwardly turned flange protrusions at both ends.

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