CN221194660U - Fuel tank cap switching device with emergency unlocking mechanism - Google Patents

Abstract

The utility model discloses a fuel tank cover switch device with an emergency unlocking mechanism, which comprises a shell and a switch assembly, wherein the shell comprises a box body and a cover, the switch assembly comprises a motor and a rotary transmission pin, a screw is fixedly sleeved on an output shaft of the motor, and a screw sliding block is connected with the outside of the screw through screw threads in a screwing way; the screw rod sliding block is characterized by further comprising an operating mechanism, wherein the surface of the screw rod sliding block is provided with a bulge penetrating through the box body, soft rubber is wrapped on the bulge, and the operating mechanism is fixedly connected with the soft rubber. In the utility model, when the electronic lock fails and the screw sliding block and the rotary transmission pin are clamped in the shell and cannot be separated from the shell to open the cover when the electronic lock fails, the screw sliding block can be pulled to move along the screw axial direction by the driving inhaul cable, so that the screw sliding block is separated from the rotary transmission pin, and then the cover can be pressed to open the mechanical lock, thereby facilitating the opening of the cover without damaging the whole shell assembly, and facilitating the subsequent investigation and maintenance.

Description

Fuel tank cap switching device with emergency unlocking mechanism

Technical Field

The utility model relates to the technical field of fuel tank cap switching devices, in particular to a fuel tank cap switching device with an emergency unlocking mechanism.

Background

At present, the opening and closing device for the fuel tank cap of a car or motorcycle adopts a type of "push-push" lock, in which the opening and closing of the cap can be simply achieved by pushing the cap. In other words, when the user presses the closed lid, the lid is automatically released from the shackle engaged to the lock; when the user closes the open lid and pushes it against the lock, the lid is automatically released from the lock.

The invention patent with publication number CN101548057B discloses a cover opening and closing device, "comprising a case 1 closed by a cover 2, which accommodates a push-push type lock mechanism. The mechanical means comprise a roto-translating pin 3 which just protrudes from the box 1 and which ends in an enlarged head 4 which remains, when the pin 3 moves back into the box 1 during the alternate stroke, outside … … of the box 1, said electronic lock 13 comprising, according to a conventional structure, a sled 14 with a protrusion 15 engaged to the pin 3, preventing the transmission of rotation inside the housing and guide chamber. "

In the above-mentioned patent publication, an electronic lock is provided to prevent the mechanical lock from being opened, and similarly, the mechanical lock is limited by the need to be started to unlock the electronic lock before the mechanical lock is opened. However, since the electronic lock and the mechanical lock are both disposed inside the housing, when the electronic lock fails, the housing assembly is broken and disassembled if the housing is to be opened, that is, the foregoing cover opening and closing device does not consider the problem of how to open the cover in case of failure of the device.

Disclosure of utility model

The utility model aims at: in order to solve the technical problem mentioned in the background art, a fuel tank cap switching device with an emergency unlocking mechanism is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a fuel tank cap switching device with urgent release mechanism, includes the casing to and install the switch module in the casing inside, the casing includes box body and lid, the switch module includes motor and rotatory conveying round pin, rotatory conveying round pin movable mounting is on the box body, has seted up the draw-in groove on the rotatory conveying round pin, and the fixed cover is equipped with the screw rod on the motor output shaft, and the screw rod is connected with the screw rod sliding block through the screw thread is external to be screwed, and rotatory conveying round pin connects box body and lid, locking box body and lid behind screw rod sliding block and the draw-in groove joint;

The screw rod sliding block is characterized by further comprising an operating mechanism, wherein the surface of the screw rod sliding block is provided with a bulge penetrating through the box body, soft rubber is wrapped on the bulge, and the operating mechanism is fixedly connected with the soft rubber.

As a further description of the above technical solution:

The operating mechanism comprises, but is not limited to, a pull rope, a pulling piece and a push rod, one end of the pull rope is fixedly connected with the soft rubber, and the other end of the pull rope is provided with a pull ring.

As a further description of the above technical solution:

the box body is fixedly connected with an L-shaped limiting plate, the vertical end of the limiting plate is fixedly connected with the box body, and a gap for accommodating a inhaul cable to pass through is reserved between the horizontal end of the limiting plate and the box body.

As a further description of the above technical solution:

The cover is fixedly connected with a guide post, the rotary conveying pin is sleeved outside the guide post, the box body is provided with a square groove, and one end of the rotary conveying pin is provided with a square head penetrating through the square groove.

As a further description of the above technical solution:

The switch assembly further comprises an ejection spring, the ejection spring is sleeved inside the rotary conveying pin, and two ends of the ejection spring are abutted between the rotary conveying pin and the end parts of the guide posts.

As a further description of the above technical solution:

The switch assembly further comprises a flexible rocker, a heart-shaped cam and a half-arch fork, the heart-shaped cam is rotatably arranged on the box body, the opening end of the shifting fork of the half-arch fork is connected with the rotary conveying pin through a rotary pin, one end of the flexible rocker is provided with a tappet which is in sliding connection with the heart-shaped groove on the heart-shaped cam, and the other end of the flexible rocker is fixedly connected with the other end of the half-arch fork.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. In the utility model, when the electronic lock fails and the screw sliding block and the rotary transmission pin are clamped in the shell and cannot be separated from the shell to open the cover when the electronic lock fails, the screw sliding block can be pulled to move along the screw axial direction by the driving inhaul cable, so that the screw sliding block is separated from the rotary transmission pin, and then the cover can be pressed to open the mechanical lock, thereby facilitating the opening of the cover without damaging the whole shell assembly, and facilitating the subsequent investigation and maintenance.

2. According to the utility model, the limiting plate is used for assembling and fixing the pulling direction of the inhaul cable, so that the screw sliding block can be conveniently pulled to move along the axial direction of the screw, and the labor is saved.

Drawings

Fig. 1 shows an exploded schematic view of a fuel tank cap switching device with an emergency unlocking mechanism according to an embodiment of the present utility model;

Fig. 2 is a schematic perspective view of a fuel tank cap switching device with an emergency unlocking mechanism according to an embodiment of the present utility model;

FIG. 3 illustrates a schematic cross-sectional view of a fuel tank cap switching device with an emergency release mechanism provided in accordance with an embodiment of the present utility model;

Fig. 4 is a schematic structural view of a screw slider of a fuel tank cap switching device with an emergency unlocking mechanism according to an embodiment of the present utility model;

Fig. 5 shows a schematic structural view of a switch assembly of a fuel tank cap switch device with an emergency unlocking mechanism according to an embodiment of the present utility model.

Legend description:

1. A housing; 11. a case body; 12. a cover; 2. a limiting plate; 3. a guy cable; 41. rotating the transfer pin; 411. a square head; 412. a clamping groove; 42. an ejection spring; 43. a flexible rocker; 44. a screw; 45. a heart cam; 46. a motor; 47. a screw slider; 471. a protrusion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a fuel tank cap switching device with emergency unlocking mechanism, comprising a housing 1, and a switching assembly (i.e. a push-push type lock mechanism disclosed in the specific embodiment of patent CN 101548057B) mounted inside the housing 1, the housing 1 comprising a case 11 and a cover 12, the switching assembly comprising a rotation transmission pin 41, an ejection spring 42, a flexible rocker 43, a screw 44, a heart-shaped cam 45, a motor 46, a screw slider 47 and a semi-arch fork. Specifically, the rotary conveying pin 41 is movably mounted on the box body 11, a clamping groove 412 is formed in the rotary conveying pin 41, a screw rod 44 is fixedly sleeved on an output shaft of the motor 46, a screw rod sliding block 47 is connected to the outside of the screw rod 44 in a screwed mode, the rotary conveying pin 41 is connected with the box body 11 and the cover 12, the screw rod sliding block 47 is clamped with the clamping groove 412, the box body 11 and the cover 12 are locked, a guide post is fixedly connected to the cover 12, the rotary conveying pin 41 is sleeved outside the guide post, a square groove is formed in the box body 11, one end of the rotary conveying pin 41 is provided with a square head 411 penetrating through the square groove, an ejection spring 42 is sleeved inside the rotary conveying pin 41, two ends of the ejection spring are abutted between the rotary conveying pin 41 and the end of the guide post, a heart-shaped cam 45 is rotatably mounted on the box body 11, a shifting fork opening end of the half-arch fork is connected with the rotary conveying pin 41 through a rotary pin, one end of the flexible rocking rod 43 is provided with a tappet which is slidably connected with a heart-shaped groove on the heart-shaped cam 45, and the other end of the flexible rocking rod 43 is fixedly connected with the other end of the half-arch fork. The structure composition, connection relation and operation principle of the electronic lock and the mechanical lock are consistent with the disclosure of the specific embodiment of the specification of the patent CN101548057B, so that the description is not repeated here.

Specifically, as shown in fig. 2 and 3, the cable 3 is further included, the surface of the screw sliding block 47 is provided with a protrusion 471 penetrating through the box body 11, soft rubber is wrapped on the protrusion 471, one end of the cable 3 is fixedly connected with the soft rubber, and a pull ring for operation is reserved at the other end of the cable 3. Unlike the patent CN101548057B, when the electronic lock fails and the screw slider 47 and the rotary transmission pin 3 are locked inside the housing 1 but cannot be separated from the outside of the housing 1 to open the cover, the screw slider 47 of this embodiment can be pulled by the driving cable 3 to move axially along the screw 44, so that the screw slider 47 is separated from the rotary transmission pin 3, and then the cover can be pressed to open the mechanical lock, so that the cover can be conveniently opened without damaging the whole housing assembly, and further, the subsequent investigation and maintenance can be facilitated.

It should be noted that, instead of using a cable structure, it may be realized by a mechanism such as a dial, a push rod, or the like that can manually operate the movement of the screw slider 47.

Specifically, as shown in fig. 3, the box body 11 is fixedly connected with an L-shaped limiting plate 2, the vertical end of the limiting plate 2 is fixedly connected with the box body 11, a gap for accommodating the guy rope 3 to pass through is reserved between the horizontal end of the limiting plate 2 and the box body 11, the limiting plate 2 is fixedly assembled in the pulling direction of the guy rope 3, and the screw sliding block 47 is conveniently pulled to axially move along the screw 44, so that more labor is saved.

Working principle: when the electronic lock is in use, when the electronic lock fails, the pull ring on the pull rope 3 is manually operated, the soft rubber deforms after the pull rope 3 is stressed, a force is applied to the bulge 471 after the soft rubber is wrapped, the bulge 471 on the screw sliding block 47 is stressed and then displaced, the screw sliding block 47 is separated from the connection with the rotary conveying pin 3, and then the cover can be pressed to open the mechanical lock, so that the cover can be conveniently opened without damaging the whole shell assembly, and the follow-up investigation and maintenance are convenient.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a fuel tank cap switching device with urgent release mechanism, includes casing (1) and installs the switch module in casing (1) inside, its characterized in that, casing (1) include box body (11) and lid (12), the switch module includes motor (46) and rotatory conveying round pin (41), rotatory conveying round pin (41) movable mounting is on box body (11), set up draw-in groove (412) on rotatory conveying round pin (41), fixed cover is equipped with screw rod (44) on motor (46) output shaft, be connected with screw rod sliding block (47) through the screw thread turn-in outward of screw rod (44), rotatory conveying round pin (41) connect box body (11) and lid (12), locking box body (11) and lid (12) behind screw rod sliding block (47) and draw-in groove (412) joint;

The screw rod sliding block (47) is provided with a bulge (471) penetrating through the box body (11), soft rubber is wrapped on the bulge (471), and the operating mechanism is fixedly connected with the soft rubber.

2. The fuel tank cap switching device with the emergency unlocking mechanism according to claim 1, wherein the operating mechanism comprises, but is not limited to, a pull rope (3), a pulling piece and a push rod, one end of the pull rope (3) is fixedly connected with the soft rubber, and the other end of the pull rope (3) is provided with a pull ring.

3. The oil tank cover switch device with the emergency unlocking mechanism according to claim 2, wherein an L-shaped limiting plate (2) is fixedly connected to the box body (11), the vertical end of the limiting plate (2) is fixedly connected with the box body (11), and a gap for accommodating a guy cable (3) to pass through is reserved between the horizontal end of the limiting plate (2) and the box body (11).

4. The oil tank cover switching device with the emergency unlocking mechanism according to claim 1, wherein a guide post is fixedly connected to the cover (12), a rotary conveying pin (41) is sleeved outside the guide post, a square groove is formed in the box body (11), and a square head (411) penetrating through the square groove is arranged at one end of the rotary conveying pin (41).

5. A tank cap switching device with emergency unlocking mechanism according to claim 3, characterized in that the switching assembly further comprises a ejection spring (42), the ejection spring (42) being housed inside the rotation transmission pin (41) and having both ends abutting between the rotation transmission pin (41) and the end of the guide post.

6. The oil tank cap switching device with the emergency unlocking mechanism according to claim 4, wherein the switching assembly further comprises a flexible rocker (43), a heart-shaped cam (45) and a half-arch-shaped fork, the heart-shaped cam (45) is rotatably mounted on the box body (11), a fork opening end of the half-arch-shaped fork is connected with the rotary transmission pin (41) through a rotary pin, one end of the flexible rocker (43) is provided with a tappet which is in sliding connection with a heart-shaped groove on the heart-shaped cam (45), and the other end of the flexible rocker (43) is fixedly connected with the other end of the half-arch-shaped fork.