CN110094122A - Charge port assembly lock construction and charge port assembly, electric car with it - Google Patents

Abstract

The invention belongs to field of lockset, and in particular to a kind of charge port assembly lock construction and charge port assembly, electric car with it.Wherein, charge port assembly lock construction provided by the invention, there is the rotating block of lock rope interconnecting piece by being arranged, rotating block, which is dropped, by drawstring provides driving force to lock tongue, on the one hand the structure and size of rotating block are required in such a way that drawstring drops few, compared with button press drives rotating block, drawstring has more preferably Installation Flexibility, on the other hand, drawstring drives lock tongue flexible by rotation block indirection, the stuck phenomenon formed because directly pulling lock tongue can be reduced, therefore, the present invention has the characteristics that compact-sized, design is reasonable, easy to use.

Description

Lock structure for charging port assembly and charging port assembly with same, electric vehicle

technical field

The invention belongs to the field of locks, and in particular relates to a lock structure for a charging port assembly, a charging port assembly having the same, and an electric vehicle.

Background technique

With the soaring price of non-renewable energy such as international oil and coal, the production costs of basic industries and related industries that use related energy as raw materials have been greatly increased, and many small and medium-sized enterprises and even large enterprises have difficulty in developing. In order to protect the ecological environment, reduce production costs, improve production efficiency, and promote the sustainable development of human beings. Therefore, under this background, new energy technology has been valued by all walks of life, and has increasingly become an important development strategy pillar industry of the country. Among them, the research and development of electric vehicles has become a hot spot of new energy technology. For example, a car charging device is installed at the front body of an electric car. When the car needs to be charged, the charging port at the front position can be opened to charge the car. The locking structure of the charging port is required in the design. important components to consider.

Among them, in the prior art, the patent document with the authorized announcement number CN103057500B discloses a front grid with a charging port cover, which specifically discloses that the front grid with a charging port cover has an unlocking/locking function. mechanism, the unlocking/locking mechanism has a lock tongue, a button mechanism, and a rocker that is in limited contact with the lock tongue and the button mechanism respectively. The rocker is provided with an elastic part connected to the machine base. When the button mechanism is pressed, the button mechanism Overcoming the elastic force of the elastic part, the swing rod is pushed to swing, and the swing rod pushes the lock tongue to move backward while swinging, so that the lock tongue is disengaged from the buckle. There are two problems in the technical solution provided by this patent document. The button on one side of the cover is an open switch, and there is a problem of accidental touch; on the other hand, the rocker needs to have a first rocker arm and a second rocker arm that directly touch the button mechanism and the lock tongue respectively, so it needs to occupy a certain space. It is not conducive to the compact structure of auto parts.

On the other hand, the patent document whose authorization notification number is CN207827611U discloses a connection structure between the elevator car door and the deadbolt. The rope pulls the limit block together with the lock tongue downwards, so that the upper end of the lock tongue retracts into the installation hole. At this time, the lock tongue and the limit head on the lock plate are separated and the limit is lost, and then the car door can be opened manually. Realize rescue, although the way of controlling deadbolt expansion and contraction in this technical scheme is simple and convenient, there are still inconveniences, for example, the fixed end of stay rope and the connecting post on the deadbolt mounting seat, in order to make stay rope act on when pulled The limit block drives the dead bolt to shrink downwards, and the setting height of the connecting column needs to be lower than the height of the support position of the dead bolt stay cord and the limit block.

However, due to the limited space for installing parts inside the car, and the weight, safety and other issues need to be considered, it is very necessary to develop a compact lock structure under the premise of ensuring stable performance.

Contents of the invention

The invention provides a lock structure for a charging port assembly, a charging port assembly having the same, and an electric vehicle to solve the problem of occupying installation space caused by an uncompact lock structure in the prior art.

The lock structure for the charging port assembly of the present invention adopts the following technical scheme: a lock structure for the charging port assembly, including a mounting base and a locking tongue on the mounting base that is elastically slidable, and the mounting base is hingedly connected to The rotating part that drives the lock tongue to slide has a pull cord connection part on the rotating part, and the pull cord connecting part is used to connect with the pull cord that drives the rotating part to rotate around the hinged position.

Preferably, the installation base is provided with an installation cavity for slidingly assembling the lock bolt, the rotating member is arranged at the side wall of the installation cavity, the rotating member has a function that goes deep into the installation cavity and An insertion strip that presses downwards with the lock tongue.

Preferably, an opening extending in the up and down direction is provided on the side wall of the installation cavity at a position corresponding to the rotating member, and a slot corresponding to the opening is provided on the locking tongue, and the insertion strip passes through The opening is inserted into the slot.

Preferably, one end of the lock tongue is a wedge-shaped surface that engages with the lock catch, and the other end is connected to the bottom of the installation cavity through an elastic connector.

Preferably, the elastic connecting member is a spring.

Preferably, a buckle portion spaced apart from the lock tongue is provided on the installation base at a position corresponding to the lock tongue, the buckle portion has a locking portion extending toward the lock tongue, and the buckle The space between the buckle and the lock tongue forms a locking cavity for accommodating and locking the corresponding lock buckle.

Preferably, the lock part is provided with a notch structure for tightly fitting the lock tongue and the lock part, and the lock tongue elastically slides along the position of the notch structure to lock the corresponding buckle in the lock cavity middle.

The charging port assembly of the present invention adopts the following technical scheme:

A charging port assembly, comprising a grid charging base, a charging port cover assembly, and a lock structure for unlocking and locking the charging port cover assembly, the lock structure including a mounting base and a lock elastically slidably arranged on the mounting base Tongue, the mounting base is hingedly connected with a rotating part for driving the sliding of the deadbolt, and the rotating part has a pull cord connecting part, and the pulling cord connecting part is used to drive the rotating part to rotate around the hinge position. rope connection.

Preferably, the installation base is provided with an installation cavity for slidingly assembling the lock bolt, the rotating member is arranged at the side wall of the installation cavity, the rotating member has a function that goes deep into the installation cavity and An insertion strip that presses downwards with the lock tongue.

Preferably, an opening extending in the up and down direction is provided on the side wall of the installation cavity at a position corresponding to the rotating member, and a slot corresponding to the opening is provided on the locking tongue, and the insertion strip passes through The opening is inserted into the slot.

Preferably, one end of the lock tongue is a wedge-shaped surface that engages with the lock catch, and the other end is connected to the bottom of the installation cavity through an elastic connector.

Preferably, the elastic connecting member is a spring.

Preferably, a buckle portion spaced apart from the lock tongue is provided on the installation base at a position corresponding to the lock tongue, the buckle portion has a locking portion extending toward the lock tongue, and the buckle The space between the buckle and the lock tongue forms a locking cavity for accommodating and locking the corresponding lock buckle.

Preferably, the lock part is provided with a notch structure for tightly fitting the lock tongue and the lock part, and the lock tongue elastically slides along the position of the notch structure to lock the corresponding buckle in the lock cavity middle.

Preferably, the charging port assembly further includes a hinge connecting part for opening and closing the charging port cover assembly, and the hinge connecting part includes a hinge mounting seat for being arranged on a corresponding grid charging base, so A hinge rotating rod with an open position and a closed position is hinged on the hinge mounting seat, and the hinge rotating rod is connected with an elastic connecting piece for providing elastic driving force thereto, and the hinge rotating rod has a function for connecting with the charging port cover The connecting end of the component connection, the position of the hinge mounting seat close to the hinge rotation rod is provided with a limiting groove, and an elastic protrusion is slidably installed in the limiting groove, and the elastic protrusion has a function for rotating the hinge. When the rod rotates from the closed position to the open position, it presses against it so that the elastic protrusion enters the driving slope in the limiting groove, and the hinge rotation rod can pass over the elastic protrusion entering the limiting groove to make the elastic protrusion enter the limiting groove. The elastic protrusion protrudes to the outside of the limit slot, and the elastic protrusion also has a blocking surface that is engaged with the hinge rotating rod when the hinge rotating rod is in an open position.

Electric vehicle of the present invention adopts following technical scheme:

An electric vehicle, the electric vehicle has a charging port assembly, the charging port assembly includes a grid charging base, a charging port cover assembly and a lock structure for unlocking and locking the charging port cover assembly, the lock structure It includes a mounting base and a dead bolt on the mounting base that is elastically slidably arranged. A rotating piece for driving the sliding of the locking bolt is hingedly connected to the mounting base. The connecting part is used for connecting with the pull cord that drives the rotating member to rotate around the hinged position.

Preferably, the installation base is provided with an installation cavity for slidingly assembling the lock bolt, the rotating member is arranged at the side wall of the installation cavity, the rotating member has a function that goes deep into the installation cavity and An insertion strip that presses downwards with the lock tongue.

Preferably, an opening extending in the up and down direction is provided on the side wall of the installation cavity at a position corresponding to the rotating member, and a slot corresponding to the opening is provided on the locking tongue, and the insertion strip passes through The opening is inserted into the slot.

Preferably, one end of the lock tongue is a wedge-shaped surface that engages with the lock catch, and the other end is connected to the bottom of the installation cavity through an elastic connector.

Preferably, the elastic connecting member is a spring.

Preferably, a buckle portion spaced apart from the lock tongue is provided on the installation base at a position corresponding to the lock tongue, the buckle portion has a locking portion extending toward the lock tongue, and the buckle The space between the buckle and the lock tongue forms a locking cavity for accommodating and locking the corresponding lock buckle.

Preferably, the lock part is provided with a notch structure for tightly fitting the lock tongue and the lock part, and the lock tongue elastically slides along the position of the notch structure to lock the corresponding buckle in the lock cavity middle.

The beneficial effects of the present invention are:

The invention provides a lock structure for a charging port assembly. By setting a rotating block with a lock cord connection part, the rotating block is pulled by a pull cord to provide a driving force for the lock tongue. The structure and size requirements of the block are small. Compared with the button pressing to drive the rotating block, the pull cord has better installation flexibility. Therefore, the present invention has the characteristics of compact structure, reasonable design and convenient use.

In addition, by providing an installation cavity with an upward opening, on the one hand, the lock tongue disposed in the installation cavity can be guided and stretched, so that the lock structure has an unlocked and locked state; on the other hand, the lock tongue can be used to overcome the The movable block that provides the driving force when the elastic force shrinks downward provides a more reasonable hinge position, that is, the movable block is hinged on one side of the installation cavity, and no additional hinge position is required. The structure is compact and space-saving, which can solve the problem of occupying a large space. The problems caused by interference with other spare parts and insufficient stability.

Moreover, the elastic connector of the present invention is arranged at the end of the lock tongue close to the bottom of the installation cavity, and can provide the lock tongue with the same driving force as the direction of the lock tongue’s guiding movement when performing elastic release, without the need for other mechanisms to transmit, enabling the The elastic release force of the elastic connector is transferred to the lock tongue to the greatest extent, thereby forming sufficient driving force to prevent the lock tongue from being stuck, and thus making the lock structure for the charging port assembly provided by the present invention have the characteristics of reasonable structure and compactness.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structural representation of the specific embodiment of charging port assembly for electric vehicle of the present invention;

Fig. 2 is a schematic structural diagram of the connection between the charging port cover assembly and the first hinge connector in Fig. 1;

Fig. 3 is a schematic diagram of the exploded structure of the charging port cover assembly in Fig. 1;

4 is a schematic structural view of the charging port cover body of the electric vehicle charging port assembly of the present invention;

Fig. 5 is a structural schematic diagram of the grid charging base of the electric vehicle charging port assembly of the present invention;

Fig. 6 is an exploded view of the first hinge connector of the electric vehicle charging port assembly of the present invention;

Fig. 7 is a partial exploded view when the limit reed of the charging port assembly for electric vehicles of the present invention is installed;

Fig. 8 is a schematic structural diagram of the first stopper, the elastic protrusion, the second stopper and the limit rivet of the hinge rotation lever of the electric vehicle charging port assembly according to the present invention;

Fig. 9 is a structural schematic diagram of the lock structure of the charging port assembly for electric vehicles in the locked state of the charging port assembly of the present invention;

Fig. 10 is a schematic structural view of the lock structure of the charging port assembly for electric vehicles in the unlocked state of the charging port assembly for electric vehicles according to the present invention;

Fig. 11 is a schematic exploded view of the lock structure for the charging port assembly of the electric vehicle charging port assembly of the present invention;

Reference signs:

1: grid charging base; 1-1: bump; 2: first hinge connector; 2-1: hinge mount; 2-2: torsion spring; 2-3: hinge connecting rod; 2-4: limit Position reed; 2-5: limit rivet; 2-6: hinge installation rivet; 2-7: auxiliary rotation lever; 2-8: hinge rotation lever; 2-9: hinge base; 2-10: limit slot ;2-11: elastic protrusion; 2-12: first stopper; 2-13: second stopper; 2-14: driving slope; 2-15: stopper; 3: charging port cover assembly ;3-1: Grille decorative strip; 3-2: Charging port cover cover; 3-3: Lock; 3-4: Welding square nut; 3-5: Hex flange bolt; 3-6: Charging Cover body; 3-7: positioning groove; 3-8: guiding and limiting boss; 3-9: locking part; 3-10: fixing part; 4: second hinge connector; 5: lock structure installation Base; 5-1: buckle part; 5-2: lock bolt; 5-3: installation base; 5-4: installation cavity: 5-5: rotating part; 5-6: insertion strip; 5-7: Slot; 5-8: elastic connector; 5-9: locking part; 5-10: drawstring connection part; 5-11: drawstring; 5-12: notch structure.

Detailed ways

In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many ways other than those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the basic implementation disclosed below.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions are used herein for the purpose of illustration only and are not intended to represent the only embodiments.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The embodiment of the lock structure for the charging port assembly of the present invention is shown in Figures 1 to 11. The lock structure for the charging port assembly of the present invention is installed on the charging port assembly for electric vehicles, and the charging port for electric vehicles The assembly includes a grid charging base 1 with a charging port, and a charging port cover assembly 3. The grid charging base 1 and the charging port cover assembly 3 are connected by hinge connectors, thereby realizing the opening and closing of the charging port cover plate assembly to the charging port. In the closed state, there is a raised groove positioning structure between the grid charging base 1 and the charging port cover assembly 3 . In this embodiment, it is defined that when the charging port assembly for electric vehicles is installed on the electric vehicle, the top of the electric vehicle is the top in this embodiment, the bottom of the electric vehicle is the bottom in this embodiment, and the direction of the front of the electric vehicle is It is the front of this embodiment, and the direction of the rear of the electric vehicle is the rear of this embodiment. The grid charging base 1 is arranged above the front bumper of the automobile. The grid charging base 1 and the charging port cover assembly 3 are provided with a The sealing strip for waterproofing in the upper and lower directions can not only ensure the overall sealing performance, but also ensure the gap and surface difference of the installation surface. By setting the positioning structure of the raised groove, it is ensured that when the charging port cover assembly closes the charging port, the gap between the charging port cover assembly and the grid charging base 1 is stable, so that during use, the charging port When the cover plate assembly is in the closed state, it is always at the same position without any deviation. On the other hand, it can also increase the service life of the hinge connector used to control the opening and closing of the charging port cover plate assembly.

Further, in this embodiment, the protrusion-groove positioning structure includes a protrusion 1-1 provided on the grid charging base 1, and a positioning recess matched with the protrusion 1-1 provided on the charging port cover assembly 3. Groove 3-7, so that when the charging port cover assembly 3 is closed, the protrusion 1-1 cantilever into the corresponding positioning groove 3-7. It should be noted that the left and right sides of the grid charging base 1 are automatically There are three projections 1-1 from top to bottom, and three positioning grooves 3-7 matching the projections 1-1 are provided on the left and right sides of the charging port cover assembly 3 from top to bottom. The material of the bump 1-1 can be rubber or plastic.

Further, the material of the bump 1-1 is a flexible material with a cushioning effect, which can reduce the frictional contact between the grid charging base 1 and the charging port cover assembly 3 and the grid charging base 1 when they are closed; the bump 1 -1 is in the shape of a truncated cone, and the positioning groove 3-7 is a truncated-conical groove corresponding to the truncated-conical protrusion 1-1, and the conical structure has better cushioning properties.

Further, the grid charging base 1 is provided with a movement space for the hinge connector when it is opened and closed, and the raised groove positioning structure includes a guiding and limiting boss 3-8 arranged on the charging port cover assembly 3 When the charging port cover assembly 3 is closed, the guiding and limiting boss 3-8 guides and extends towards the side wall of the movement space. Specifically, there are two hinge connectors in this embodiment, which are symmetrically arranged on two The first hinge connector 2 and the second hinge connector 4 of the side movement space, the grid charging base 1 includes grid bars for decoration and the charging base body, wherein the charging base body has hinges on both sides of the charging port. In order to further ensure that the charging port cover assembly 3 has a stable gap and surface difference in the movement space of the connecting piece when it is in the open and closed state, the part is dislocated. The charging port cover assembly 3 is provided with two on the side close to the charging base body. Guide the limiting bosses 3-8 so that when the charging port cover assembly 3 is closed, they respectively extend towards the side walls of the two movement spaces. It should be noted that when assembling the hinge joint and the base, two positioning columns along the same direction are used for positioning, which is convenient for controlling the assembly accuracy.

Further, the charging port cover assembly 3 in this embodiment includes a grille decorative strip 3-1, a charging port cover cover plate 3-2, a charging port cover body 3-6, and a charging port cover body 3-6 arranged sequentially from outside to inside. 6. A lock 3-3 is provided on one side of the charging port cover cover 3-2.

The charging port assembly for electric vehicles in this embodiment also includes a lock structure for the charging port assembly. The lock structure for the charging port assembly is used in conjunction with the above-mentioned lock 3-3. On the grid charging base 1, it specifically includes a mounting base 5-3, elastically sliding to set the dead bolt 5-2 on the mounting base 5-3, and the mounting base 5-3 is hingedly connected with a rotating part for driving the sliding of the dead bolt 5-2 5-5, the rotating part 5-5 has a stay cord connecting part 5-9, and the stay cord connecting part 5-9 is used to connect with the stay cord 5-10 that drives the rotating part 5-5 to rotate around the hinged position. 5-10 pulls the rotating part 5-5 to provide the driving force for the lock tongue. On the one hand, the pull rope 5-10 pulls has less requirements on the structure and size of the rotating part, compared with the push button to drive the rotating part 5-5 , the stay cord 5-10 has better installation flexibility. On the other hand, the draw cord 5-10 indirectly drives the lock tongue 5-2 to expand and contract through the rotating part 5-5, which can reduce the damage caused by directly pulling the lock tongue 5-2. Therefore, the present invention has the characteristics of compact structure, reasonable design and convenient use.

Further, the installation base 5-3 in this embodiment is installed on the lock structure installation base 5, and is arranged on the grid charging base 1 through the lock structure installation base 5, and the installation base 5-3 is provided with a sliding Assembling the installation chamber 5-4 of the dead bolt 5-2, the rotating part 5-5 is arranged at the side wall position of the installation chamber 5-4, and the rotating part 5-5 has the function of going deep into the installation chamber 5-4 and connecting with the dead bolt 5. -2 The insertion strip 5-6 that is press-fitted downwards, specifically, an opening extending along the up-and-down direction is provided on the side wall of the installation cavity 5-4 corresponding to the position of the rotating member 5-5, and the dead bolt 5-2 The slot 5-7 corresponding to the opening is provided on the top, and the insertion strip 5-6 is inserted into the slot 5-7 through the opening, so that when the pull rope 5-10 is used to pull the rotating part 5-5 to rotate around the hinge point , the insertion strip 5-6 presses the slot 5-7 and drives the deadbolt 5-2 to move downward, so that the lock 3-3 is separated from the buckle part 5-1, and the compression force of the torsion spring 2-2 of the hinge connector is released , open the charging port cover assembly 3; when closing, press the charging port cover assembly 3 downward, the lock 3-3 on the charging port cover assembly 3 slides over the lock tongue 5-2, enters into the locking cavity, elastically The elastic force of the connecting piece 5-8 is released, and the dead bolt 5-2 moves upwards to recover the locked state. When the dead bolt 5-2 moves upwards, it drives the inserting strip 5-6 to move, and then the rotating member 5-5 is reset.

Further, one end of the deadbolt 5-2 is a wedge-shaped surface that cooperates with the lock catch, and the other end is connected to the bottom of the installation cavity 5-4 through an elastic connector 5-8, which is a spring and is elastically connected. The part is arranged at the end of the lock tongue close to the bottom of the installation cavity, which can provide the lock tongue with the same driving force as the direction of the movement of the lock tongue during elastic release, without other mechanisms for transmission, and can make the elastic release force of the elastic connector It can be transferred to the lock tongue to the greatest extent, thereby forming sufficient driving force, avoiding the locking of the lock tongue, and further making the lock structure for the charging port assembly provided by the present invention have the characteristics of reasonable structure and compactness.

Further, the position corresponding to the lock tongue 5-2 on the installation base 5-3 is provided with a buckle part 5-1 spaced apart from the lock tongue 5-2, and the buckle part 5-1 has a 2 The extended locking part 5-9, the space between the buckle part and the lock tongue 5-2 forms a locking cavity for accommodating and locking the corresponding lock 3-3, because the lock on the charging port cover assembly 3 3-3 moves from the position obliquely above the lock tongue 5-2 to the locked state, and uses the buckle part 5-1 with the lock part 5-9 to fix the lock buckle 3-3 in the lock cavity, which has a more Good operational continuity.

Further, the lock part 5-9 is provided with a notch structure 5-12 for tightly fitting the lock tongue 5-2 with the lock part 5-9, and the lock tongue 5-2 is located along the position of the notch structure 5-12. The elastic sliding further locks the corresponding buckle 3-3 in the locking cavity, which can prevent the locking buckle 3-3 from shaking in the locking cavity and affect the surface clearance of the charging port assembly.

The lock 3-3 in this embodiment includes a lock part for snap fit with the locking part 5-9, and the lock 3-3 is connected to the charging port cover body 3-6 through a fixing part, wherein the fixing The upper part is roughly a three-lobed structure, and is connected with the charging port cover body 3-6 through nuts and bolts in the upper, left and right directions, and the locking part is a U-shaped structure bent toward the locking part 5-9 Specifically, the nuts and bolts are welded square nuts 3-4 and hexagonal flange bolts 3-5, the model of welded square nuts 3-4 is preferably Q37105, and the model of hexagonal flange bolts 3-5 is preferred For Q1840512.

The working principle of the lock structure for the charging port assembly in this embodiment: Pulling force is applied by the pull wire 5-10, so that the rotating part 5-5 drives the insertion strip 5-6 to rotate counterclockwise, and the insertion strip 5-6 is installed in the slot In 5-7, the locking tongue 5-2 is thus linked to make the spring move in a compression trend, so as to maintain the unlocked state, and then realize the opening of the charging port cover assembly 3 . After the stay wire 5-10 is released, the elastic potential energy of the spring is converted into kinetic energy, so that the dead bolt 5-2 is reset, and the lock structure of the charging port assembly is in a locked state. When the charging port cover assembly 3 is closed, the external pressure makes the lock 3-3 touch the wedge-shaped surface of the lock tongue 5-2, and the pressure causes the lock tongue 5-2 to compress the return spring, and the external pressure is converted into the elastic potential energy of the return spring. When 3-3 slides over the lock tongue 5-2 and enters the buckle part 5-1, the elastic potential energy of the spring is released, the lock tongue 5-2 resets, and the charging port assembly uses the lock structure to enter the locked state again.

Further, the hinge connector in this embodiment includes a hinge mounting base 2-1 arranged on the grid charging base 1, and a hinge rotating rod 2-8 with an open position and a closed position is hinged on the hinge mounting base 2-1, and the hinge The rotating rod 2-8 is connected with an elastic member for providing an elastic driving force thereto. In this embodiment, 2-8 is a torsion spring 2-2, and the hinge rotating rod 2-8 is hinged on the hinge by the torsion spring 2-2. On the seat 2-1, the hinge rotating rod 2-8 has a connecting end for connecting with the charging port cover assembly 3, and the hinge mounting seat 2-1 is provided with a limiting groove 2-10 at a position close to the hinge rotating rod 2-8 , the limiting groove 2-10 is located on the inner side of the movement track of the hinge rotating rod 2-8 on the hinge mounting seat 2-1, and the elastic protrusion 2-11 is slidably installed in the limiting groove 2-10, and the elastic protrusion 2-11 There is a drive slope 2-14 for pressing the hinge lever 2-8 from the closed position to the open position so that the elastic protrusion 2-11 enters the limit groove 2-10, and the hinge lever 2-10 8 can cross over the elastic protrusion 2-11 in the limiting groove 2-10 so that the elastic protrusion 2-11 stretches out to the outside of the limiting groove 2-10, and the elastic protrusion 2-11 also has a function when the hinge rotates The stop surface 2-15 that cooperates with the hinge rotation bar 2-8 when the bar 2-8 is in the open position. Wherein, the hinge mounting base 2-1 is rigidly connected to the rear side of the grid charging base 1 at the exercise space by self-tapping screws, and the hinge connecting part is preferably sheet metal. By setting the limit assembly, when the charging port cover assembly 3 is in the open state, on the one hand, it can avoid falling due to gravity, and on the other hand, it can slow down the elastic release force of the torsion spring 2-2 during the opening process of the charging port cover assembly 3, acting as a buffer. Avoid torsion spring 2-2 from opening too fast.

Further, in this embodiment, the stop surface 2-15 is an inclined plane structure, and when the hinge rotating rod 2-8 rotates from the open position to the close position, press fits with the stop surface 2-15 so that the elastic protrusion 2-11 enters In the limiting groove 2-10, the hinge turning rod 2-8 can pass over the elastic protrusion 2-11 entering the limiting groove 2-10 so that the elastic protrusion 2-11 stretches out to the outside of the limiting groove 2-10 And then make the hinge turning bar 2-8 reach the closed position.

Further, in this embodiment, the limiting reed 2-4 has a bending part in the limiting groove 2-10, and the bending part is the elastic protrusion 2-11. Specifically, the bending part is V V-shaped structure, one side of the V-shaped structure forms the driving slope 2-14, and the other side forms the stop surface 2-15, which is bent and easy to process without adding other structures.

Further, in this embodiment, the limiting component includes a limiting part arranged on the hinge mounting base 2-1. The limiting part in this embodiment is specifically a limiting rivet 2-5, and the limiting rivet 2-5 is arranged on The hinge mounting base 2-1 is on the side of the movement track of the hinge rotating rod 2-8, so that when the charging port cover assembly 3 is opened to the maximum state, the charging port cover assembly 3 is limited to prevent the charging port cover assembly 3 from exceeding its position. The maximum movement track is limited by limit rivets 2-5, which is simple and cost-saving.

In order to limit it further in combination with the motion track of the hinge turning lever 2-8, the hinge turning lever 2-8 in the present embodiment is provided with extending forward and backward respectively in the front and rear direction for connecting with the limit rivet 2. -5 and the first stop part 2-12, the second stop part 2-13 that the limit reed 2-4 stops and cooperates, the first stop part 2-12, the second stop part 2-13 all It is a V-shaped block.

Further, the hinge connection part also includes an auxiliary rotating rod 2-7 whose one end is hinged to the hinge mounting base 2-1 and whose other end is connected to the charging port cover assembly 3. The auxiliary rotating rod 2-7 and the hinge rotating rod 2-8 jointly constitute The four-bar linkage mechanism adopts the four-bar linkage mechanism, which has the characteristics of simple structure, stability, and strong impact resistance.

Further, the hinge connector also includes a hinge base 2-9 provided on the charging port cover assembly 3, and the hinge rotating rod 2-8 and the auxiliary rotating rod 2-7 are all connected to the charging port cover assembly 3 through the hinge base 2-9. connection, and in this embodiment, the auxiliary rotating rod 2-7 and the hinge rotating rod 2-8 are connected to the hinge mounting seat 2-1 and the hinge base 2-9 through the hinge mounting rivets 2-6; in this embodiment The hinge mounting seat 2-1 is provided with the hinge connecting rod 2-3 for wearing the torsion spring 2-2, and the hinge rotating rod 2-8 is hinged with the hinge mounting seat 2-1 by the hinge connecting rod 2-3. The hinge base 2-9 is roughly in the shape of a folded plate, one of the bottom surfaces of the folded plate-shaped hinge base 2-9 is used for rigid connection with the charging port cover assembly 3, and the other side is used for connecting the auxiliary rotating rod 2-7 and the hinge rotating rod 2-8.

The charging port assembly for electric vehicles provided by the present invention, when in use, is controlled to open the collision lock, the lock catch 3-3 is opened, and the charging port cover assembly 3 is compressed and pre-tightened by the torsion spring 2-2. Flip outward until it reaches the maximum opening state. At this time, the limit reed 2-4 and the limit rivet 2-5 on the hinge joint limit the hinge rotation rod. The former prevents the charging port cover assembly 3 from falling back due to gravity On the other hand, prevent the charging port cover assembly 3 from excessively opening and interfering with the grid charging base 1, thereby realizing the opening of the charging port; when closing, press the charging port cover assembly 3 downward, compress the torsion spring 2-2, and When the charging port cover assembly 3 is about to come into contact with the grid charging base 1, the protrusion 1-1 provided on the grid charging base 1 extends into the positioning position matched with the protrusion 1-1 provided on the charging port cover assembly 3. In the groove 3-7, the guiding effect is further realized, and the charging port cover assembly 3 is prevented from shifting out of the predetermined position. It can be seen that the charging port assembly for the electric vehicle in this embodiment is opened and arranged at the front end of the electric vehicle through a simple mechanical device. The charging port is convenient for charging the electric vehicle, the structure is simple, and the installation structure is reliable.

Embodiments of the charging port assembly of the present invention. A charging port assembly, including a grid charging base, a charging port cover assembly, and a lock structure for unlocking and locking the charging port cover assembly. The lock structure is the same as the above embodiment of the lock structure for the charging port assembly, and will not be repeated here. .

Further, the charging port assembly also includes a hinge connection part for opening and closing the charging port cover assembly, the hinge connection part includes a hinge mounting seat for being arranged on the corresponding grid charging base, and the hinge mounting seat A hinged rotating rod with an open position and a closed position is hinged on the top, and an elastic connecting piece for providing elastic driving force is connected to the hinged rotating rod, and the hinged rotating rod has a connection for connecting with the charging port cover assembly. end, the position of the hinge mounting seat close to the hinge rotation rod is provided with a limit slot, and an elastic protrusion is slidably installed in the limit slot, and the elastic protrusion has a function for closing the hinge rotation rod from the closed position. When turning to the open position, press fit with it so that the elastic protrusion enters the driving slope in the limiting groove, and the hinge rotation rod can pass over the elastic protrusion entering the limiting groove so that the elastic protrusion stretches out to the limiting groove. The elastic projection also has a stop surface that is engaged with the hinge rotation lever when the hinge rotation lever is in the open position.

An embodiment of the electric vehicle of the present invention. An electric vehicle, the electric vehicle has a charging port assembly, the charging port assembly includes a grid charging base, a charging port cover assembly and a lock structure for unlocking and locking the charging port cover assembly, the lock structure and the above charging port assembly The embodiment of using the lock structure is the same and will not be repeated here.

It should be noted that, in other embodiments of the present invention, the cable connection part can be a block structure with a cable fixing hole, or a rod structure; the rotating part can be arranged on the left side wall of the installation cavity as required Or the right side wall; the shape of the cuttings can be straight or curved or bent; the slot can be a circular groove, and the slot can also be provided with a limiting structure for limiting the shaking of the cuttings; elasticity The connecting piece can also be a reed; the locking part can be two limit blocks arranged on the buckle part, or a bent plate with an integral structure with the buckle part; the size of the notch structure can make the lock tongue fully embedded Wherein, or only part of the deadbolt close to the notch structure is embedded.

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, some modifications and improvements can be made, which all belong to the protection scope of the present invention, therefore, the protection of the patent of the present invention The scope should be governed by the appended claims.

Claims (10)

1. A lock structure for a charging port assembly, comprising a mounting base and a locking tongue on the mounting base that is elastically slidable, and a rotating member for driving the sliding of the locking tongue is hingedly connected to the mounting base, characterized in that : the rotating part has a pull cord connecting part, and the pulling cord connecting part is used to be connected with a stay cord that drives the rotating part to rotate around the hinged position. 2. The lock structure for the charging port assembly according to claim 1, characterized in that: the installation base is provided with an installation cavity for slidingly assembling the lock tongue, and the rotating part is arranged in the installation cavity. At the position of the side wall, the rotating member has an insertion strip that goes deep into the installation cavity and is press-fitted with the locking tongue downward. 3. The lock structure for charging port assembly according to claim 2, characterized in that: an opening extending in the up and down direction is provided on the side wall of the installation cavity corresponding to the position of the rotating member, and the lock tongue A slot corresponding to the opening is provided on the top, and the insertion strip is inserted into the slot through the opening. 4. The lock structure for the charging port assembly according to claim 3, characterized in that: one end of the lock tongue is a wedge-shaped surface that cooperates with the lock catch, and the other end is elastically connected to the bottom of the installation cavity. Connectors connect. 5. The lock structure for the charging port assembly according to claim 4, wherein the elastic connecting member is a spring. 6. The lock structure for the charging port assembly according to claim 5, characterized in that: the position corresponding to the lock tongue on the installation base is provided with a buckle part spaced apart from the lock tongue, the The buckle part has a locking part extending toward the lock tongue, and the space between the buckle part and the lock tongue forms a locking cavity for accommodating and locking the corresponding lock buckle. 7. The lock structure for the charging port assembly according to claim 6, characterized in that: the locking part is provided with a notch structure for closely fitting the locking tongue with the locking part, and the locking tongue is along the Elastic sliding at the position of the notch structure locks the corresponding buckle in the locking cavity. 8. A charging port assembly, including a grid charging base, a charging port cover assembly and a lock structure for unlocking and locking the charging port cover assembly, characterized in that: the lock structure is any one of claims 1-7 A lock structure for the charging port assembly described in one item. 9. The lock structure for the charging port assembly according to claim 8, characterized in that: the charging port assembly further includes a hinge connector for opening and closing the charging port cover assembly, and the hinge connector includes a The hinge mounting seat is arranged on the corresponding grid charging base, and the hinge rotating rod with an open position and a closed position is hinged on the hinge mounting seat, and a hinge for providing elastic driving force is connected to the hinge rotating rod. An elastic connector, the hinge rotating rod has a connection end for connecting with the charging port cover assembly, a limit slot is provided on the hinge mounting base close to the hinge rotating rod, and the limit slot is slidably assembled There is an elastic protrusion, and the elastic protrusion has a drive slope for press-fitting the hinge rotation lever when it rotates from the closed position to the open position so that the elastic protrusion enters the limit groove. The elastic protrusion that can go over the limit slot so that the elastic protrusion protrudes to the outside of the limit slot, and the elastic protrusion also has the function of blocking and cooperating with the hinge rotation rod when the hinge rotation rod is in the open position. the blocking surface. 10. An electric vehicle, the electric vehicle has a charging port assembly, and the charging port assembly includes a grid charging base, a charging port cover assembly and a lock structure for unlocking and locking the charging port cover assembly, its features In that: the lock structure is the lock structure for the charging port assembly described in any one of claims 1-7.