CN111364862A

CN111364862A - Front engine room cover lock and vehicle

Info

Publication number: CN111364862A
Application number: CN201811598717.5A
Authority: CN
Inventors: 张东升
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2020-07-03
Anticipated expiration: 2038-12-26
Also published as: CN111364862B

Abstract

The invention discloses a front cabin cover lock and a vehicle, wherein the front cabin cover lock comprises: the locking mechanism comprises a mounting plate, a locking arm, a lock tongue, a mandril and an elastic piece; the locking arm the spring bolt with the ejector pin all but pivot ground install in the mounting panel, the locking arm has first card and ends the position and the second card ends the position, the spring bolt be equipped with one end open locking groove with be used for with first card end the position the second stops a plurality of fender position of position complex, elastic component elastic connection be in between the ejector pin with just right between the mounting panel the ejector pin is applyed towards the direction pivoted unlocking force of unblock, partly of ejector pin is suitable for to stretch into the locking groove with the locking arm with the drive during the spring bolt unblock the spring bolt rotates towards the direction of unblock. The front cabin cover lock disclosed by the invention can open the front cabin cover to the unlocking position by controlling the rotation direction of the locking arm, the structure is simple, and the unlocking process is easy to realize.

Description

Front engine room cover lock and vehicle

Technical Field

The invention relates to the technical field of vehicle manufacturing, in particular to a front cabin cover lock and a vehicle with the same.

Background

With the development of automobile technology, the design of automobile structures tends to be more multifunctional and automatic. When the front engine room cover is opened by a driver, the front engine room cover needs to be lifted manually, the operation process is time-consuming and labor-consuming, the functionality is poor, and an improved space exists.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a front hood lock, which has a simple structure, can drive the front hood to jack up, has multiple jack-up states, and has good practicability.

According to an embodiment of the invention, a front nacelle cover lock comprises: the locking mechanism comprises a mounting plate, a locking arm, a lock tongue, a mandril and an elastic piece; the locking arm, the lock tongue and the ejector rod are pivotally mounted on the mounting plate, the locking arm is provided with a first clamping position and a second clamping position, the lock tongue is provided with a locking groove with an open end and a plurality of stopping positions matched with the first clamping position and the second clamping position, the elastic piece is elastically connected between the ejector rod and the mounting plate and applies unlocking force to the ejector rod to rotate towards the unlocking direction, and one part of the ejector rod is suitable for extending into the locking groove to drive the lock tongue to rotate towards the unlocking direction when the locking arm and the lock tongue are unlocked; the first clamping position and the second clamping position are suitable for locking the lock tongue at a plurality of unlocking stages, and in the unlocking process, the lock tongue is suitable for unlocking the first clamping position and the lock tongue by driving the lock arm to rotate towards the first direction and driving the lock arm to rotate towards the second direction so as to unlock the second clamping position and the lock tongue.

According to the front cabin cover lock disclosed by the embodiment of the invention, the rotation direction of the locking arm can be controlled so that the plurality of blocking positions of the locking arm are matched with the plurality of blocking positions of the locking tongue, so that the front cabin cover is kept at various different positions and has various opening states, the front cabin cover can be opened to the unlocking position by controlling the rotation direction of the locking arm, the whole structure of the front cabin cover lock is simple, and the unlocking process is easy to realize.

According to one embodiment of the invention, the stop gear comprises a third stop gear, a first stop gear and a second stop gear which are sequentially arranged at intervals along the circumferential direction of the lock tongue, and the front cabin cover lock has a full lock position, a stop position, a half lock position and an unlocking position; the first clamping position and the first stopping position are locked at the full locking position, the second clamping position and the second stopping position are locked at the stopping position, the first clamping position and the third stopping position are locked at the half locking position, and the locking arm is separated from the lock tongue at the unlocking position.

According to an embodiment of the invention, the locking arm is adapted to rotate in a first direction to switch the front nacelle cover lock from the full lock position to the stop position, the locking arm is adapted to rotate in a second direction to switch the front nacelle cover lock from the stop position to the half lock position, and the locking arm is adapted to rotate in the first direction to switch the front nacelle cover lock from the half lock position to the unlock position.

According to the front cabin cover lock, the lock tongue comprises a first tongue and a second tongue which are connected, the locking groove is formed between the first tongue and the second tongue, the first stopping position is arranged at the top end of the side wall, facing the locking groove, of the first tongue, the second stopping position is arranged at the top end of the side wall, facing away from the locking groove, of the second tongue, a protrusion is arranged on one side, facing away from the locking groove, of the first tongue, and the third stopping position is arranged on one side, facing the locking groove, of the protrusion.

According to the front engine room cover lock disclosed by the embodiment of the invention, the first clamping position and the second clamping position are respectively arranged at two ends of the locking arm and are arranged on one side of the locking arm facing the lock tongue, and the middle part of the locking arm is pivotally connected with the mounting plate.

According to the front cabin cover lock disclosed by the embodiment of the invention, one side, facing the lock tongue, of the locking arm is in an arc shape recessed away from the lock tongue.

According to the front cabin cover lock disclosed by the embodiment of the invention, one side of the locking arm, which is far away from the lock tongue, is provided with the locking arm flanging, and the locking arm flanging is provided with the first connecting position for connecting with the manual unlocking mechanism.

According to the front cabin cover lock of one embodiment of the invention, the mounting plate is provided with a second connecting position for connecting with the first end of the elastic member, and the ejector rod is provided with a third connecting position for connecting with the second end of the elastic member.

According to a front nacelle cover lock of an embodiment of the present invention, the carrier rod includes: the ejector rod body is pivotally connected with the mounting plate; the poking sheet is connected with one end, deviating from the pivot axis of the ejector rod body, and the poking sheet is suitable for extending into the locking groove and abutting against the lock hook of the front engine compartment cover.

According to the front engine room cover lock disclosed by the embodiment of the invention, the ejector rod further comprises an ejector rod limiting boss connected with the ejector rod body, and the ejector rod limiting boss is suitable for abutting against the side edge of the lock tongue in the unlocking position.

According to the front engine room cover lock disclosed by the embodiment of the invention, the mounting plate is provided with the bolt limiting boss, and the bolt limiting boss is suitable for abutting against the side edge of the bolt in the unlocking position.

According to the front engine room cover lock disclosed by the embodiment of the invention, the mounting plate is provided with the locking arm limiting boss, and the locking arm limiting boss is suitable for abutting against the side edge of the locking arm, which is far away from the lock tongue.

The invention provides a vehicle.

According to the vehicle of the embodiment of the invention, the front cabin cover lock of any one of the embodiments is arranged.

The vehicle and the front hatch lock described above have the same advantages with respect to the prior art and are not described in detail here.

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 of a forward nacelle cover lock of an embodiment of the present invention;

FIG. 2 is an exploded view of a forward nacelle cover lock of an embodiment of the invention;

FIG. 3 is a schematic structural view of a forward nacelle cover lock of an embodiment of the present invention in a fully locked position;

FIG. 4 is a schematic view of the forward nacelle cover lock of an embodiment of the present invention in a stop position;

FIG. 5 is a schematic structural view of a forward nacelle cover lock of an embodiment of the present invention in a half-lock position;

FIG. 6 is a schematic structural view of a forward nacelle cover lock of an embodiment of the present invention in an unlocked position;

FIG. 7 is a schematic structural view of a mounting plate of a forward nacelle cover lock of an embodiment of the invention;

FIG. 8 is a schematic structural view of the locking arm of the front nacelle cover lock of an embodiment of the present invention;

FIG. 9 is a schematic structural view of a locking bolt of a front hatch cover lock of an embodiment of the present invention;

fig. 10 is a schematic structural view of the carrier rod of the front nacelle cover lock of the embodiment of the invention.

Reference numerals:

a front-end nacelle cover lock 100 is provided,

a mounting plate 1, a bolt limit boss 11, a locking arm limit boss 12,

a locking arm 2, a first clamping position 21, a second clamping position 22, a locking arm flanging 23, a locking arm pin 24,

a latch bolt 3, a first stop 31, a second stop 32, a third stop 33, a locking groove 34, a first bolt 35, a second bolt 36, a latch bolt pin 37,

a first connection site A, a second connection site B, a third connection site C,

a mandril 4, a mandril body 41, a plectrum 42, a mandril limit boss 43, a mandril pin 44,

elastic component 5, manual release mechanism 6, backup pad 8, latch hook 9.

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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Referring to fig. 1-10, a front cabin cover lock 100 according to an embodiment of the present invention is described, the front cabin cover lock 100 can be rotated by driving a lock arm 2, and during the rotation of the lock arm 2, an elastic member 5 of a lock tongue 3 drives a lock tongue 3 and a push rod 4 to move, the push rod 4 gradually jacks up the front cabin cover, and a plurality of locking positions of the lock arm 2 and a plurality of stop positions of the lock tongue 3 cooperate with each other, the front cabin cover can be gradually jacked up at a plurality of different positions, so that the front cabin cover gradually opens to the maximum from the closed state, and the process is simple and orderly.

As shown in fig. 1 to 10, a front nacelle cover lock 100 according to an embodiment of the present invention includes: mounting panel 1, locking arm 2, spring bolt 3, ejector pin 4, elastic component 5 and manual unblock structure 6.

Manual unblock structure 6 links to each other with locking arm 2, and locking arm 2, spring bolt 3 and ejector pin 4 are all pivotally installed in mounting panel 1, and locking arm 2 can rotate with mounting panel 1 relatively promptly, and spring bolt 3 can rotate with mounting panel 1 relatively, and ejector pin 4 can rotate with mounting panel 1 relatively. Wherein, locking arm 2 is installed in mounting panel 1 through locking arm round pin 24, and spring bolt 3 is installed in mounting panel 1 through spring bolt round pin 37, and locking arm round pin 24 and spring bolt round pin 37 are fixed with backup pad 8, and ejector pin 4 is installed in backup pad 8 through ejector pin 44, and manual unblock structure 6 includes the cable.

The locking arm 2 has a first locking position 21 and a second locking position 22, as shown in fig. 8, the first locking position 21 and the second locking position 22 are spaced apart from each other along the rotation direction of the locking arm 2, as shown in fig. 8, and both the first locking position 21 and the second locking position 22 are pressing surfaces.

The latch bolt 3 is provided with a locking groove 34 and a plurality of stop positions, one end of the locking groove 34 is open, the plurality of stop positions are used for being matched with the first stop position 21 and the second stop position 22, and the plurality of stop positions are arranged at intervals along the rotation direction of the latch bolt 3. As shown in fig. 9, the locking tongue 3 includes three stop positions, which are a first stop position 31, a second stop position 32 and a third stop position 33, respectively, and the third stop position 33, the first stop position 31 and the second stop position 32 are arranged in sequence and spaced apart along the circumferential direction of the locking tongue 3, that is, the first stop position 31 is located between the second stop position 32 and the third stop position 33, as shown in fig. 9, the first stop position 31, the second stop position 32 and the third stop position 33 are all abutting surfaces.

The elastic member 5 is elastically connected between the jack 4 and the mounting plate 1. As shown in fig. 7, the mounting plate 1 is provided with a second connection position B, the second connection position B is used for connecting with the first end of the elastic member 5, and as shown in fig. 7, the mounting plate 1 is provided with a connection flange, the second connection position B is arranged on the connection flange of the mounting plate 1, the second connection position B is an arc-shaped recess, and the second connection position B is arranged on one side of the connection flange of the mounting plate 1, which is far away from the ejector rod 4; as shown in fig. 10, the ejector rod 4 is provided with a third connection position C, the third connection position C is used for being connected with a second end with good elasticity, as shown in fig. 10, the ejector rod 4 is provided with a connection flange, the third connection position C is arranged on the connection flange of the ejector rod 4, the third connection position C is an arc-shaped notch, and the fourth connection flange is arranged on one side of the connection flange of the ejector rod 4, which is deviated from the locking arm 2.

As shown in fig. 1, the second connection position B and the third connection position C form a notch towards the direction deviating from each other, the two ends of the elastic member 5 are provided with hooks, and the hooks at the two ends of the elastic member 5 are respectively hung at the notches of the second connection position B and the fourth connection position.

Like this, ejector pin 4 and mounting panel 1 pivotally connect to each other, and ejector pin 4 passes through elastic component 5 with mounting panel 1 and links to each other, and from this, elastic component 5 can provide the pretightning force for mounting panel 1 pivoted for ejector pin 4, and this pretightning force can drive ejector pin 4 jack-up front engine compartment cover, and elastic component 5 is used for exerting the unblock power of orientation pivoted of unblock to ejector pin 4 promptly, and a part of ejector pin 4 is suitable for stretching into locking groove 34 to drive spring bolt 3 and rotate towards the orientation of unblock when locking arm 2 and spring bolt 3 unblock, and simultaneously, when spring bolt 3 is fixed, spring bolt 3 can play spacing effect to ejector pin 4, and when locking arm 2 and spring bolt 3 lock, elastic component 5 can't drive ejector pin 4 and rotate.

The first locking position 21 and the second locking position 22 are adapted to lock the bolt 3 in multiple unlocking stages, as shown in fig. 3 to 6, and the front nacelle cover lock 100 has a full lock position, a stop position, a half lock position, and an unlock position.

In the unlocking process, an operator can drive the locking arm 2 to rotate towards the first direction to unlock the first locking position 21 and the locking bolt 3 through the manual unlocking structure 6, and drive the locking arm 2 to rotate towards the second direction to unlock the second locking position 22 and the locking bolt 3 through the manual unlocking structure 6, the manual unlocking structure 6 can drive the locking arm 2 to rotate along the clockwise direction around the pivot axis of the locking arm 2, and can also drive the locking arm 2 to rotate along the anticlockwise direction around the pivot axis of the locking arm 2, wherein the first direction is the clockwise direction, and the second direction is the anticlockwise direction.

As shown in fig. 3, when the front cabin cover lock 100 is in the full lock position, the first locking position 21 and the first locking position 31 are locked, at this time, the first locking position 21 and the first locking position 31 are pressed against each other, the first locking position 21 limits the rotation of the lock tongue 3 and the push rod 4, the push rod 4 is not in contact with the front cabin cover, and the front cabin cover is in a completely closed state.

As shown in fig. 4, when the front cabin cover lock 100 is in the stopping position, the second stop position 22 and the second stop position 32 are locked, at this time, the second stop position 22 and the second stop position 32 are pressed against each other, the second stop position 22 limits the rotation of the lock tongue 3 and the ejector rod 4, the ejector rod 4 abuts against the front cabin cover, and the ejector rod 4 ejects the front cabin cover by a small angle.

As shown in fig. 5, when the front cabin cover lock 100 is in the half-lock position, the first locking position 21 and the third locking position 33 are locked, at this time, the first locking position 21 and the third locking position 33 are pressed against each other, the first locking position 21 limits the rotation of the lock tongue 3 and the ejector rod 4, the ejector rod 4 abuts against the front cabin cover, the ejector rod 4 rotates to a half of the total stroke, and the ejector rod 4 jacks up the front cabin cover to a half-open state.

As shown in fig. 6, when the front deck cover lock 100 is in the unlocking position, the locking arm 2 and the bolt 3 are disengaged from each other, at this time, the ram 4 moves to the maximum position under the driving action of the elastic member 5, and the ram 4 jacks up the front deck cover to the fully open state.

When the front engine room cover needs to be opened, the front engine room cover lock 100 is in a full-locking position, the locking arm 2 is adapted to rotate in a first direction to switch the front engine room cover lock 100 from the full-locking position to the stopping position, the locking arm 2 can be driven to rotate in the first direction by the manual unlocking mechanism 6, that is, as shown in fig. 3-4, the locking arm 2 is driven to rotate clockwise around a pivot axis, in the process of rotating the locking arm 2, the first locking position 21 and the first locking position 31 are gradually separated, and when the first locking position 21 and the first locking position 31 are completely separated, the elastic member 5 drives the ejector rod 4 to rotate, the ejector rod 4 pushes the locking hook 9 of the front engine room cover to move, so that the front engine room cover is gradually ejected, and meanwhile, the ejector rod 4 presses against the inner wall surface of the locking groove 34 and drives the lock tongue 3 to rotate clockwise around the pivot axis.

In this way, the locking arm 2 rotates clockwise, the locking tongue 3 rotates clockwise, the second locking position 22 and the second locking position 32 move towards the direction of approaching each other, and when the locking arm 2 and the locking tongue 3 rotate to the second locking position 22 and the second locking position 32 are abutted. And stopping outputting the driving force to the locking arm 2, stopping rotating the lock tongue 3, jacking the front cabin cover by a small angle by the mandril 4, and stopping rotating the front cabin cover, wherein the front cabin cover is changed from a full-locking position to a stopping position.

When the front deck lid is located at the stopping position and needs to be further opened, the locking arm 2 is adapted to rotate in the second direction to switch the front deck lid lock 100 from the stopping position to the half-locking position, and the reverse rotation pushes the locking arm 2 to rotate in the second direction, i.e. as shown in fig. 4-5, the locking arm 2 is driven to rotate counterclockwise about its pivot axis, during the rotation of the locking arm 2, the second stopping position 22 and the second stopping position 32 are gradually separated, and when the first stopping position 21 and the second stopping position 32 are completely separated, the elastic member 5 drives the push rod 4 to continue rotating, and the push rod 4 continues to push the locking hook 9 of the front deck lid to move, so that the front deck lid is further jacked up, and at the same time, the push rod 4 presses the locking tongue 3 to continue rotating clockwise about its pivot axis.

In this way, the locking arm 2 rotates counterclockwise, the latch bolt 3 rotates clockwise, the first locking position 21 and the third locking position 33 move toward the direction of approaching each other, and when the locking arm 2 and the latch bolt 3 rotate to the first locking position 21 and the third locking position 33 are abutted. And stopping outputting drive to the locking arm 2, stopping rotating the lock tongue 3, jacking the front engine room cover by the mandril 4 to a half-open state and stopping rotating, and converting the stop position of the front engine room cover into a half-lock position at the moment.

When the front deck lid is in the half-locked position and further opening of the front deck lid is required, the lock arm 2 is adapted to rotate in the first direction to switch the front deck lid lock 100 from the half-locked position to the unlocked position, the lock arm 2 can be driven to rotate in the forward direction again, and the lock arm 2 is pushed to rotate in the first direction, that is, as shown in fig. 5 to 6, the lock arm 2 is driven to rotate clockwise about its pivot axis, the first detent 21 and the third detent 33 are gradually separated during the rotation of the lock arm 2, and when the first detent 21 and the third detent 33 are completely separated, the elastic member 5 drives the jack 4 to continue to rotate, the jack 4 presses against the inner wall surface of the lock groove 34 and drives the latch tongue 3 to rotate clockwise about its pivot axis, and a part of the jack 4 gradually escapes from the lock groove 34, the jack 4 continues to push the latch hook 9 of the front deck lid to move, so that the front deck lid is gradually opened to the unlocked position, the opening of the front engine room cover is realized.

After the front engine compartment cover is opened to the unlocking position, the pull cable 61 is driven to return manually, the locking arm 2 rotates anticlockwise around the pivot axis of the locking arm 2 under the action of the return spring of the locking arm, the initial position is reached, and the whole unlocking process is finished.

According to the front cabin cover lock 100 provided by the embodiment of the invention, the plurality of stopping positions of the locking arm 2 are matched with the plurality of stopping positions of the locking tongue 3 by controlling the rotation direction of the locking arm 2, so that the front cabin cover is kept at various different positions and has various opening states, the front cabin cover can be opened to an unlocking position by controlling the rotation direction of the locking arm 2, the whole structure of the front cabin cover lock 100 is simple, and the unlocking process is easy to realize.

In some embodiments, the locking tongue 3 includes a first tongue 35 and a second tongue 36, the locking groove 34 is formed between the first tongue 35 and the second tongue 36, the first stop 31 is disposed at a top end of a side wall of the first tongue 35 facing the locking groove 34, the second stop 32 is disposed at a top end of a side wall of the second tongue 36 facing away from the locking groove 34, a side of the first tongue 35 facing away from the locking groove 34 is provided with a protrusion, and the third stop 33 is disposed at a side of the protrusion facing the locking groove 34.

As shown in fig. 9, one end of the first tongue 35 is connected to one end of the second tongue 36, the other end of the first tongue 35 is spaced apart from the other end of the second tongue 36 and forms a locking groove 34, that is, one end of the locking groove 34 is open, each of the first stop 31, the second stop 32 and the third stop 33 is a pressing surface, the first stop 31 is disposed on a side surface of the first tongue 35 facing the second stop 32, the second stop 32 is disposed on a side surface of the second tongue 36 facing away from the first stop 31, and the third stop 33 is disposed on a side surface of the protrusion facing the second stop 32, so that the first stop 31, the second stop 32 and the third stop 33 are disposed on a side surface of the bolt 3 facing clockwise direction thereof.

In some embodiments, as shown in fig. 8, the first locking position 21 and the second locking position 22 are respectively disposed at two ends of the locking arm 2, the first locking position 21 and the second locking position 22 are both disposed at one side of the locking arm 2 facing the locking tongue 3, and the middle portion of the locking arm 2 is pivotally connected to the mounting plate 1, so that during the rotation of the locking arm 2, the first locking position 21 and the second locking position 22 are adapted to abut against the locking position of the locking tongue 3, thereby ensuring that the front cabin cover lock 100 can open the front cabin cover to a plurality of different positions.

The locking arm 2 is simple in structure and convenient to install, the manual unlocking structure 6 can drive the locking arm 2 to rotate around the pivot axis of the locking arm, so that the lock tongue 3 can be unlocked for multiple times, and the ejector rod 4 can effectively jack up the front cabin cover.

In some embodiments, as shown in fig. 8, the side of the locking arm 2 facing the locking tongue 3 is an arc shape recessed away from the locking tongue 3, and the arc structure can reasonably avoid the rotation of the locking tongue 3. Like this, at locking

arm

2 and 3 pivoted in-process of spring bolt, only the card of locking arm 2 ends the position and can supports with the backstop phase of spring bolt 3, all the other structures of locking arm 2 all keep away with the backstop position of spring bolt 3 rationally and leave, when making card end position and backstop position break away from, spring bolt 3 can realize the unblock and rotate for mounting panel 1, and then make ejector pin 4 can jack up preceding cabin cover, the structural design of locking arm 2 is reasonable, can guarantee that preceding cabin cover is reasonable to be opened, the reasonable layout of preceding cabin cover of being convenient for simultaneously, avoid the motion mutual interference of each part.

In some embodiments, as shown in fig. 8, a locking arm flange 23 is provided on a side of the locking arm 2 away from the locking tongue 3, the locking arm flange 23 is provided with a first connection position a, and the first connection position a is used for connecting with the manual unlocking mechanism 6, as shown in fig. 1, the first connection position a is connected with the manual unlocking mechanism 6, so that the manual unlocking mechanism 6 can drive the locking arm 2 to rotate through the first connection position a, and further, the opening action of the front cabin cover is realized. Therefore, the front cabin cover lock 100 can be ensured to be capable of opening the front cabin cover stably, and the reliability and the safety of the front cabin cover lock 100 are improved.

In some embodiments, as shown in fig. 10, the ram 4 includes a ram body 41 and a paddle 42.

As shown in fig. 3-6, the push rod body 41 is pivotally connected to the mounting plate 1, that is, the top plate body can rotate relative to the mounting plate 1, the pick 42 is connected to an end of the push rod body 41 away from the pivot axis of the push rod body 41, the pick 42 is adapted to extend into the locking groove 34 to drive the latch tongue 3 to rotate, the pick 42 presses against the latch hook 9 of the front deck cover, and the pick 42 can drive the latch hook 9 to rotate to drive the front deck cover to jack up.

Therefore, in the process of opening the front engine compartment cover, when the stopping position and the stopping position are separated, the elastic part 5 can drive the ejector rod 4 to rotate and jack up the front engine compartment, meanwhile, the spring bolt 3 is driven to rotate around the pivot axis of the spring bolt, different stopping positions can be matched with the stopping position to be abutted, the fact that the front engine compartment cover is gradually switched to the unlocking position in the full locking position is guaranteed, the whole unlocking process is reasonable and orderly, mutual noninterference among all steps is guaranteed, and the reasonability of the structural design of the front engine compartment cover lock 100 is improved.

In some embodiments, as shown in fig. 10, the ejector rod 4 further includes an ejector rod limiting boss 43, the ejector rod limiting boss 43 is connected to the ejector rod body 41, and the ejector rod limiting boss 43 is adapted to abut against a side edge of the lock tongue 3 in the unlocking position, so that the lock tongue 3 can move within a reasonable stroke range, and the instability of the unlocking process due to excessive movement of the lock tongue 3 is avoided.

In some embodiments, as shown in fig. 7, the mounting plate 1 is provided with a bolt limit boss 11 and a locking arm limit boss 12.

When the engine room cover is in the unlocking position, the bolt limiting boss 11 is suitable for abutting against the side edge of the bolt 3, as shown in fig. 6, the side edge of the second bolt 36 of the bolt 3 departing from the first bolt 35 abuts against the bolt limiting boss 11, so that the bolt 3 can move within a reasonable stroke range, the bolt 3 is prevented from moving excessively, and the normal closing of the front engine room cover is ensured.

The locking arm limiting boss 12 is suitable for abutting against the side edge of the locking arm 2 deviating from the lock tongue 3, as shown in fig. 4, the side edge of the locking arm 2 deviating from the lock tongue 3 abuts against the locking arm limiting boss 12, so that the locking arm limiting boss 12 can limit the excessive anticlockwise rotation of the locking arm 2, and the locking arm 2 is guaranteed to move within a reasonable stroke range.

The invention also provides a vehicle.

According to the vehicle provided by the embodiment of the invention, the front cabin cover lock 100 of the embodiment is arranged, the front cabin cover lock of the vehicle can be automatically opened, the structure of the front cabin cover lock 100 is simple, and the opening process is easy to realize.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 invention have been shown and described, it will be understood by those of ordinary skill in the art 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

1. A front nacelle cover lock, comprising: the locking mechanism comprises a mounting plate, a locking arm, a lock tongue, a mandril and an elastic piece;

the locking arm, the lock tongue and the ejector rod are pivotally mounted on the mounting plate, the locking arm is provided with a first clamping position and a second clamping position, the lock tongue is provided with a locking groove with an open end and a plurality of stopping positions matched with the first clamping position and the second clamping position, the elastic piece is elastically connected between the ejector rod and the mounting plate and applies unlocking force to the ejector rod to rotate towards the unlocking direction, and one part of the ejector rod is suitable for extending into the locking groove to drive the lock tongue to rotate towards the unlocking direction when the locking arm and the lock tongue are unlocked;

the first clamping position and the second clamping position are suitable for locking the lock tongue at a plurality of unlocking stages, and in the unlocking process, the lock tongue is suitable for unlocking the first clamping position and the lock tongue by driving the lock arm to rotate towards the first direction and driving the lock arm to rotate towards the second direction so as to unlock the second clamping position and the lock tongue.

2. The front hood lock of claim 1, wherein the stop comprises a third stop, a first stop, and a second stop sequentially spaced apart along a circumference of the locking bolt, the front hood lock having a full lock position, a stop position, a half lock position, and an unlocked position;

the first clamping position and the first stopping position are locked at the full locking position, the second clamping position and the second stopping position are locked at the stopping position, the first clamping position and the third stopping position are locked at the half locking position, and the locking arm is separated from the lock tongue at the unlocking position.

3. The front nacelle cover lock of claim 2, wherein the locking arm is adapted to rotate in a first direction to switch the front nacelle cover lock from the full lock position to the stop position, wherein the locking arm is adapted to rotate in a second direction to switch the front nacelle cover lock from the stop position to the half lock position, and wherein the locking arm is adapted to rotate in the first direction to switch the front nacelle cover lock from the half lock position to the unlocked position.

4. The front nacelle cover lock of claim 2, wherein the lock tongue comprises a first tongue and a second tongue connected with each other, the locking groove is formed between the first tongue and the second tongue, the first stopping position is arranged at the top end of the side wall of the first tongue facing the locking groove, the second stopping position is arranged at the top end of the side wall of the second tongue facing away from the locking groove, a protrusion is arranged on one side of the first tongue facing away from the locking groove, and the third stopping position is arranged on one side of the protrusion facing the locking groove.

5. The front nacelle cover lock of any one of claims 1 to 4, wherein the first locking position and the second locking position are respectively provided at both ends of the lock arm and at a side of the lock arm facing the lock tongue, and a middle portion of the lock arm is pivotably connected to the mounting plate.

6. The front hatch lock according to any of claims 1 to 4, characterized in that the side of the detent arm facing the bolt is curved concavely away from the bolt.

7. The front nacelle cover lock of any of claims 1-4, wherein a side of the detent arm facing away from the bolt is provided with a detent arm flange provided with a first connection location for connection to a manual unlocking mechanism.

8. Front nacelle cover lock according to any of claims 1-4, wherein the mounting plate is provided with a second attachment location for attachment to a first end of the resilient member, and wherein the carrier rod is provided with a third attachment location for attachment to a second end of the resilient member.

9. The front nacelle cover lock of any of claims 1-4, wherein the ram comprises:

the ejector rod body is pivotally connected with the mounting plate;

the poking sheet is connected with one end, deviating from the pivot axis of the ejector rod body, and the poking sheet is suitable for extending into the locking groove and abutting against the lock hook of the front engine compartment cover.

10. The front nacelle cover lock of claim 9, wherein the ram further comprises a ram limiting boss connected to the ram body, the ram limiting boss adapted to press against a side of the bolt in the unlocked position.

11. The front nacelle cover lock of any of claims 1-4, wherein the mounting plate is provided with a bolt stop boss adapted to press against a side of the bolt in the unlocked position.

12. The front nacelle cover lock of any of claims 1-4, wherein the mounting plate is provided with the detent arm stop boss adapted to press against a side of the detent arm facing away from the bolt.

13. A vehicle, characterized in that a front hatch lock according to any of claims 1-12 is provided.