CN217581696U - Direct-sliding type vehicle door lock with high unlocking efficiency - Google Patents

Abstract

The utility model provides a straight sliding type car door lock with high unblock efficiency, including the lock body upper cover, the lid is in the lock body lower cover of lock body upper cover front side and the lock body base of lid on lock body upper cover right side, lock body base front side is equipped with the sliding groove, lock body upper cover right side inner wall articulates there is the cardboard corresponding with the sliding groove position, the cardboard downside is equipped with the draw-in groove, lock body upper cover right side inner wall articulates there is the latch hook that is located the cardboard below, the spacing claw head of card in draw-in groove lower extreme notch is located to the latch hook upper end, lock body upper cover right side inner wall articulates there is the swing arm that opens outward that is located the latch hook left, lock body upper cover upper front side inner wall is equipped with the motor, the motor shaft right-hand member of motor is equipped with the worm, lock body upper cover front side inner wall is equipped with worm wheel assorted worm wheel, lock body upper cover front side be equipped with one with worm wheel assorted drive mechanism. The utility model discloses a straight sliding type door lock with high unblock efficiency not only can effectively simplify the inside structure of door lock, reduces the spoilage when door lock uses, and can effectively shorten the stroke that the door lock of opening needs to be accomplished, effectively improves unblock efficiency.

Description

Direct-sliding type vehicle door lock with high unlocking efficiency

Technical Field

The utility model relates to a door lock, especially a straight sliding type door lock with high unblock efficiency.

Background

The car door lock is a device capable of controlling a car door to be locked and unlocked, a lock catch corresponding to the position of the car door lock is arranged at the edge of a car door frame, when the car door is closed, the lock catch can directly slide into a sliding groove of the car door lock and slide into a clamping groove of the clamping plate along with the situation, under the action of lock catch pressure, the clamping plate rotates, the direction of a notch of the clamping groove changes, the direction of a notch of the clamping groove is staggered with the direction of the sliding groove, meanwhile, the clamping plate can drive a latch hook to rotate through an extrusion mode, a limiting claw head of the latch hook is clamped in the notch of the clamping plate, the limiting claw head of the latch hook limits the lock catch in the clamping groove, and therefore the locking effect is achieved.

The door lock is opened by means of the opening and closing head, the opening and closing head is driven to rotate in an outward pulling mode, the opening and closing head pushes the claw head at the other end of the latch hook, and therefore the rotation of the latch hook is driven.

In summary, in order to finally drive the latch hook to rotate by the opening and closing head, the locking linkage rod and the toggle piece are required to complete respective strokes, and it can be finally ensured that the opening and closing head can touch the pushing claw head of the latch hook, so that the overall stroke required to complete the opening of the vehicle door lock is long, and the unlocking efficiency of the vehicle door lock is seriously affected.

Disclosure of Invention

The utility model aims to solve the current technical problem that a straight sliding type car door lock with high unblock efficiency is provided, it not only can effectively simplify the inside structure of car door lock, reduces the spoilage when car door lock uses, and can effectively shorten the stroke that the car door lock of opening needs to be accomplished, effectively improves unblock efficiency.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model discloses a straight sliding type car door lock with high unblock efficiency, including the lock body upper cover, the lid is in the lock body lower cover of lock body upper cover front side and the lock body base of lid on lock body upper cover right side, lock body base front side is equipped with the slip groove, lock body base right side cap has rather than assorted upper cover plate, lock body upper cover right side inner wall articulates there is the cardboard corresponding with slip groove position, the cardboard downside is equipped with the draw-in groove, lock body upper cover right side inner wall articulates there is the latch hook that is located the cardboard below, the spacing claw head of card in draw-in groove lower extreme notch is located to the latch hook upper end, lock body upper cover right side inner wall articulates there is the left swing arm that opens outward that is located the latch hook, lock body upper cover front side inner wall is equipped with the motor, the motor shaft of motor is equipped with the worm, lock body upper cover front side inner wall is equipped with worm wheel assorted worm wheel, its characterized in that: a transmission mechanism matched with the worm wheel is arranged on the front side of the lock body upper cover; the inner wall of the right side of the lock body upper cover is hinged with a locking linkage plate matched with the transmission mechanism; the rear part of the locking linkage plate is provided with an arc-shaped long round hole; a locking linkage rod is arranged between the side wall of the left side of the external opening swing arm and the inner wall of the right side of the lock body upper cover; a sliding head matched with the long circular hole is arranged on the right side wall of the upper end of the locking linkage rod; the right end of the sliding head is provided with a limiting part which is attached to the side wall of the right side of the locking linkage plate; a straight sliding groove is formed in the lower side of the external opening swing arm, and a notch at the lower end of the straight sliding groove faces downwards; an opening and closing head matched with the straight chute is arranged on the side wall of the right side of the lower end of the locking linkage rod; the left side wall of the lower end of the latch hook is provided with a pushing claw head, and the right end of the opening and closing head penetrates through the straight sliding groove rightwards and corresponds to the position of the pushing claw head.

The transmission mechanism comprises a hinged shaft arranged on the inner wall of the front side of the upper cover of the lock body; the articulated shaft is articulated with a locking linkage plate; the upper side of the locking linkage plate is provided with meshing teeth meshed with the worm wheel; a transmission arm is arranged on the right side of the locking linkage plate; a clamping notch is formed in the right end of the transmission arm; the front end of the locking linkage plate is provided with a spherical chuck clamped in the clamping notch.

The limiting part is rectangular; the lower surface of the limiting part is provided with an elastic notch; a guide head is arranged in the middle of the side wall of the right side of the limiting part; the upper surface of the guide head is provided with a first guide surface which inclines towards the lower right; the limiting part upper surface right part is provided with a second guide surface inclining towards the lower right part, and the inclination angle of the second guide surface is larger than that of the first guide surface.

The front side and the rear side of the opening and closing head are provided with guide wings which are symmetrical to each other, and the guide wings are attached to the left side wall of the outer opening swing arm.

The locking linkage rod comprises a long rod part and a short rod part positioned above the long rod part, the sliding head is arranged at the upper end of the short rod part, and the opening and closing head is arranged at the lower end of the long rod part; the upper end of the long rod part is in transitional connection with the lower end of the short rod part through a connecting part in an arc shape.

A guide plate extends rightwards from the groove wall at the rear side of the straight sliding groove.

And an inclined plane which inclines towards the left lower part is arranged on the lower side of the side wall of the right side of the guide plate.

A notch is arranged at the rear side of the bottom of the straight sliding chute, and the width of the notch is smaller than the thickness of the opening and closing head; the side walls of the front side and the rear side of the opening and closing head are provided with arc surfaces protruding outwards.

The beneficial effects of the utility model are that:

compared with the prior art, adopt the utility model discloses the straight sliding type door lock that has high unblock efficiency of structure is when realizing the removal of locking head, need not with the help of stirring the piece, just can directly realize the removal of locking head through the removal of locking gangbar, under the condition that loses stirring the piece, still can realize the function of opening and close of door lock, and along with stirring the removal of piece, can effectively simplify the inner structure of door lock, effectively reduce the processing degree of difficulty and the processing cost of door lock, can effectively avoid door lock inner structure too complicated condition that easily leads to the door lock to damage simultaneously, the life of extension door lock, and along with stirring the removal of piece, the rotatory stroke of stirring the piece is directly got rid of, simultaneously under the guide effect of straight chute, the locking gangbar all is straight removal orbit with the removal orbit of opening and close the head, and linear distance is the shortest, can shorten the removal stroke of locking gangbar to the at utmost, thereby guarantee the removal efficiency of locking head on the at utmost, effectively improve the unblock efficiency of door lock.

Drawings

Fig. 1 is a schematic structural view of a direct slide type vehicle door lock with high unlocking efficiency according to the present invention;

fig. 2 is a schematic structural view of the direct sliding type vehicle door lock with high unlocking efficiency after the upper cover of the lock body is removed;

FIG. 3 is a schematic structural view of the locking linkage rod when assembled with a locking linkage plate and an external opening swing arm;

fig. 4 is a perspective view of the direct slide door lock with high unlocking efficiency of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following figures and detailed description:

please refer to fig. 1 to 4, the present invention provides a direct sliding door lock with high unlocking efficiency, which comprises a lock body upper cover 1, a lock body lower cover 2 covering the front side of the lock body upper cover 1, and a lock body base 3 covering the right side of the lock body upper cover 1, wherein the front side of the lock body base 3 is provided with a sliding slot 4, the right side cover of the lock body base 3 is provided with an upper cover plate 36 matched with the lock body base, the inner wall of the right side of the lock body upper cover 1 is hinged with a clamping plate 5 corresponding to the sliding slot 4, the lower side of the clamping plate 5 is provided with a clamping slot 6, the inner wall of the right side of the lock body upper cover 1 is hinged with a latch hook 7 positioned below the clamping plate 5, the upper end of the latch hook 7 is provided with a limit claw 8 clamped in the lower end notch of the clamping slot 6, the inner wall of the right side of the lock body upper cover 1 is hinged with an outer opening swing arm 35 positioned at the left side of the latch hook 7, the inner wall of the front side of the upper cover 1 upper portion is provided with a motor 9, the motor shaft of the motor 9 is provided with a worm 10, the inner wall of the front side of the lock body upper cover 1 is provided with a worm wheel 11 matched with a worm 10, the worm wheel 11 matched with a transmission mechanism arranged at the front side of the lock body upper cover 1; the inner wall of the right side of the lock body upper cover 1 is hinged with a locking linkage plate 12 matched with the transmission mechanism; an arc-shaped long round hole 13 is formed in the rear portion of the locking linkage plate 12; a locking linkage rod 14 is arranged between the left side wall of the external opening swing arm 35 and the right side inner wall of the lock body upper cover 1; a sliding head 15 matched with the long circular hole 13 is arranged on the right side wall of the upper end of the locking linkage rod 14; the right end of the sliding head 15 is provided with a limiting part 16 which is attached to the right side wall of the locking linkage plate 12; a straight sliding groove 17 is formed in the lower side of the outer opening swing arm 35, and a notch at the lower end of the straight sliding groove 17 faces downwards; an opening and closing head 18 matched with the straight chute 17 is arranged on the right side wall of the lower end of the locking linkage rod 14; a pushing claw head 19 is arranged on the left side wall of the lower end of the latch hook 7, and the right end of the opening and closing head 18 penetrates through the straight sliding groove 17 rightwards and corresponds to the pushing claw head 19 in position.

The transmission mechanism comprises a hinge shaft 20 arranged on the inner wall of the front side of the lock body upper cover 1; the articulated shaft 20 is articulated with a locking linkage plate 21; the upper side of the locking linkage plate 21 is provided with engaging teeth 22 engaged with the worm wheel 11; a transmission arm 23 is arranged on the right side of the locking linkage plate 21; a clamping notch 24 is formed at the right end of the transmission arm 23; the front end of the locking linkage plate 12 is provided with a spherical chuck 25 clamped in the clamping gap 24.

The limiting part 16 is rectangular; the lower surface of the limiting part 16 is provided with an elastic notch 26; a guide head 27 is arranged in the middle of the side wall of the right side of the limiting part 16; the upper surface of the guide head 27 is provided with a first guide surface 28 which inclines towards the lower right; the right part of the upper surface of the limiting part 16 is provided with a second guide surface 29 which inclines towards the lower right, and the inclination angle of the second guide surface 29 is larger than that of the first guide surface 28.

The front side and the rear side of the opening and closing head 18 are provided with guide wings 30 which are symmetrical to each other, and the guide wings 30 are attached to the left side wall of the outer opening swing arm 35.

The locking linkage rod 14 comprises a long rod part 1401 and a short rod part 1402 positioned above the long rod part 1401, the sliding head 15 is arranged at the upper end of the short rod part 1402, and the opening and closing head 18 is arranged at the lower end of the long rod part 1401; the upper end of the long rod 1401 is connected with the lower end of the short rod 1402 via an arc-shaped connecting part 1403.

A guide plate 31 extends rightwards from the rear side groove wall of the straight sliding groove 17.

The guide plate 31 has a slope 32 inclined downward to the left on the lower side of the right sidewall.

A notch 33 is arranged at the rear side of the bottom of the straight sliding groove 17, and the width of the notch 33 is smaller than the thickness of the opening and closing head 18; the front and back side walls of the opening and closing head 18 are provided with arc surfaces 34 protruding outwards.

The utility model discloses a use method as follows:

when the door lock needs to be opened and closed, the motor 9 can be started firstly, at the moment, a motor shaft of the motor 9 can drive the worm 10 to rotate, the worm 10 is meshed with the worm wheel 11, the worm wheel 11 is meshed with meshing teeth of the locking linkage plate 21, therefore, when the worm 10 rotates, the worm wheel 11 rotates along with the worm, the locking linkage plate 21 rotates by taking the hinge shaft 20 as the center, when the locking linkage plate 21 rotates, the transmission arm 23 rotates along with the worm, the spherical chuck 25 at the front end of the locking linkage plate 12 is just clamped in the clamping gap at the right end of the transmission arm 23, along with the rotation of the transmission arm 23, the locking linkage plate 12 hinged on the inner wall of the right side of the upper cover 1 of the lock body synchronously rotates, the spherical surface of the spherical chuck 25 can effectively reduce the contact area between the spherical surface of the spherical chuck 25 and the inner wall of the clamping gap 24, so that the friction force between the spherical chuck 25 and the inner wall of the clamping gap 24 can be effectively reduced, the situation that the inner wall of the spherical chuck 25 and the inner wall of the clamping gap 24 are contacted and rubbed to cause the clamping plate 23 to drive the clamping linkage plate to rotate synchronously, and the situation that the inner wall of the spherical linkage plate 12 cannot rotate in one time can be ensured.

Because the sliding head 15 at the upper end of the locking linkage rod 14 is located in the long circular hole 13 on the locking linkage plate 12, when the locking linkage plate 12 rotates, the locking linkage plate 12 can press the sliding head 15 through the inner wall of the long circular hole 13 to realize the movement of the locking linkage rod 14, when the long circular hole 13 is arc-shaped, the locking linkage rod 14 does not rotate along with the locking linkage plate 12, the sliding head 15 moving along the inner wall of the long circular hole 13 can effectively realize the up-and-down movement of the locking linkage rod 14, when the locking linkage rod 14 moves downwards, the opening and closing head 18 arranged at the lower end of the locking linkage rod 14 can move downwards along the straight track of the straight sliding chute 17, the opening and closing head 18 originally corresponding to the position of the pushing claw head 19 is staggered with the position of the pushing claw head 19, even if the outward opening and closing swing arm 35 is pulled by a pull wire, the opening and closing head 18 rotating along with the outward opening and closing swing arm 35 can not touch the pushing claw head 19, so that the latch hook 7 can not rotate, and the locking of the vehicle door lock can be effectively realized.

When the door lock needs to be opened, the motor 9 can be started again, a motor shaft of the motor 9 drives the worm 10 to rotate reversely at this moment, and finally the locking linkage rod 14 moves upwards, when the locking linkage rod 14 moves upwards, the opening and closing head 18 at the lower end of the locking linkage rod 14 moves upwards along a straight track of the straight chute 17 again and moves to a position corresponding to the position of the pushing claw head 19, the outer opening swing arm 35 is pulled again through a pull wire at this moment, the outer opening swing arm 35 drives the opening and closing head 18 to rotate, and the opening and closing head 18 corresponds to the position of the pushing claw head 19, so that after the opening and closing head 18 rotates, the opening and closing head 18 touches the pushing claw head 19, the bolt hook 7 is pressed to rotate, the limiting claw head 8 of the bolt hook 7 leaves a notch at the lower end of the clamping groove 6, and the door lock can be opened under the condition that the bolt hook 7 is limited.

In conclusion, the utility model discloses when realizing the removal of locking head 18, need not with the help of the piece of dialling, just can directly realize the removal of locking head 18 through the removal of locking gangbar 14, under the condition that loses the piece of dialling, still can realize the function of opening and close of door lock, and along with the getting rid of the piece of dialling, can effectively simplify the inner structure of door lock, effectively reduce the processing degree of difficulty and the processing cost of door lock, can effectively avoid the too complicated condition that easily leads to the door lock to damage of door lock inner structure simultaneously, the life of extension door lock, and along with getting rid of the piece of dialling, the rotatory stroke of the piece of dialling is directly got rid of, simultaneously under the guide effect of straight spout 17, the removal orbit of locking gangbar 14 and locking head 18 all is straight removal orbit, and linear distance is the shortest, can shorten the removal stroke of locking gangbar 14 to the at utmost, thereby guarantee the removal efficiency of locking head 18 to the utmost, effectively improve the unblock efficiency of door lock.

The limiting portion 16 is rectangular, an elastic notch 26 is formed in the lower surface of the limiting portion 16, the limiting portion 16 can obtain certain elasticity due to the existence of the elastic notch 26, and can deform to a certain extent, when the sliding head 15 needs to be detached from the oblong hole 13, the locking linkage rod 14 can rotate, so that the locking linkage rod 14 drives the oblong hole 13 to rotate through the sliding head 15, at the moment, the long edge of the limiting portion 16 can rotate, the long edge of the limiting portion 16 does not intersect with the oblong hole 13 any more, the long edge of the limiting portion 16 is relatively adjacent to the inner walls of the front side and the rear side of the oblong hole 13, at the moment, the limiting portion is pulled leftwards only by external force, the limiting portion 16 deforms under the action of external force and extrudes into the oblong hole 13, and finally moves out of the oblong hole 13, when the sliding head 15 needs to be clamped into the oblong hole 13 again, the guide head 27 can be inserted into the guide hole 0 first, then under the preliminary guide effect of the first guide surface 28 of the guide head 27, the second guide surface 29 on the upper surface of the limiting portion 16 slides into the oblong hole 13, the second guide surface 29 can enable the limiting portion 16 to rapidly slide to move into the oblong hole 13, and then the long edge of the limiting portion 16 can be rapidly and then rapidly extrude into the oblong hole 13, the limiting portion 16, and then the limiting portion 16, the long edge can rapidly and then the long edge can be rapidly and then the long edge of the limiting portion 16 can be assembled, and then rapidly and then the limiting portion 16 can be assembled to rapidly.

The front side and the rear side of the opening and closing head 18 are provided with guide wings 30 which are symmetrical to each other, the guide wings 30 are attached to the left side wall of the outer opening swing arm 35, the guide wings 30 can play a role in guiding when the opening and closing head 18 moves along the track of the straight sliding groove 17, and the stability of the opening and closing head 18 during moving is ensured.

The locking gangbar 14 comprises a long bar portion 1401 and a short bar portion 1402 located above the long bar portion 1401, the sliding head 15 is arranged at the upper end of the short bar portion 1402, the opening and closing head 18 is arranged at the lower end of the long bar portion 1401, the upper end of the long bar portion 1401 and the lower end of the short bar portion 1402 are in transition connection through a connecting portion 1403 in an arc shape, the locking gangbar 14 is made to have a certain buffering effect due to the structural design, and the situation that the locking gangbar 14 is too straight and prone to break under the action of external force is effectively avoided.

A guide plate 31 extends rightwards from the groove wall at the rear side of the straight sliding groove 17, the guide plate 31 can play a role in guiding when the opening and closing head moves along the track of the straight sliding groove 17, the stability of the opening and closing head 18 during moving is ensured, an inclined plane 32 inclining towards the left lower side is arranged on the lower side of the side wall at the right side of the guide plate 31, a notch can be formed in the lower part of the guide plate 31 by the inclined plane 32, the contact area between the opening and closing head 18 and the guide plate 31 is effectively reduced, and the condition that the friction force between the opening and closing head 18 and the guide plate 31 is too large to influence the smoothness of the opening and closing head 18 during moving is avoided.

The rear side of the bottom of the straight sliding groove 17 is provided with a notch 33, the width of the notch 33 is smaller than the thickness of the opening and closing head 18, the side walls of the front side and the rear side of the opening and closing head 18 are provided with arc-shaped surfaces 34 protruding outwards, the structure can actually ensure the accuracy of the opening and closing head 18 when the opening and closing head 18 slides to the bottom of the straight sliding groove 17, and the condition that the opening and closing head 18 is embedded into the notch 33 can be effectively avoided.

Claims (8)

1. The utility model provides a straight sliding type car door lock with high unblock efficiency, including the lock body upper cover, the lid is in the lock body lower cover of lock body upper cover front side and the lock body base of lid on lock body upper cover right side, lock body base front side is equipped with the sliding groove, lock body base right side lid have rather than assorted upper cover plate, lock body upper cover right side inner wall articulates there is the cardboard corresponding with the sliding groove position, the cardboard downside is equipped with the draw-in groove, lock body upper cover right side inner wall articulates there is the latch hook that is located the cardboard below, the spacing claw head of card in draw-in groove lower extreme notch is located to the latch hook upper end, lock body upper cover right side inner wall articulates there is the swing arm that opens outward that is located the latch hook left, lock body upper cover upper front side inner wall is equipped with the motor, the motor shaft right-hand member of motor is equipped with the worm, lock body upper cover front side inner wall be equipped with worm assorted worm wheel, its characterized in that: a transmission mechanism matched with the worm wheel is arranged on the front side of the lock body upper cover; the inner wall of the right side of the lock body upper cover is hinged with a locking linkage plate matched with the transmission mechanism; the rear part of the locking linkage plate is provided with an arc-shaped long round hole; a locking linkage rod is arranged between the left side wall of the external opening swing arm and the right inner wall of the lock body upper cover; a sliding head matched with the long circular hole is arranged on the right side wall of the upper end of the locking linkage rod; the right end of the sliding head is provided with a limiting part which is attached to the side wall of the right side of the locking linkage plate; a straight sliding groove is formed in the lower side of the external opening swing arm, and a notch at the lower end of the straight sliding groove faces downwards; an opening and closing head matched with the straight chute is arranged on the right side wall of the lower end of the locking linkage rod; the left side wall of the lower end of the latch hook is provided with a pushing claw head, and the right end of the opening and closing head penetrates through the straight sliding groove rightwards and corresponds to the position of the pushing claw head.

2. A direct slide vehicle door lock with high unlocking efficiency as defined in claim 1, wherein: the transmission mechanism comprises a hinged shaft arranged on the inner wall of the front side of the upper cover of the lock body; the articulated shaft is articulated with a locking linkage plate; the upper side of the locking linkage plate is provided with meshing teeth meshed with the worm wheel; a transmission arm is arranged on the right side of the locking linkage plate; a clamping notch is formed in the right end of the transmission arm; the front end of the locking linkage plate is provided with a spherical chuck clamped in the clamping notch.

3. A direct slide vehicle door lock with high unlocking efficiency as defined in claim 1, wherein: the limiting part is rectangular; the lower surface of the limiting part is provided with an elastic notch; a guide head is arranged in the middle of the side wall of the right side of the limiting part; the upper surface of the guide head is provided with a first guide surface which inclines towards the lower right; the limiting part is characterized in that a second guide surface which inclines towards the lower right is arranged on the right part of the upper surface of the limiting part, and the inclination angle of the second guide surface is larger than that of the first guide surface.

4. A direct slide vehicle door lock with high unlocking efficiency as defined in claim 1, wherein: the front side and the rear side of the opening and closing head are provided with guide wings which are symmetrical to each other, and the guide wings are attached to the left side wall of the outer opening swing arm.

5. A direct slide vehicle door lock with high unlocking efficiency as defined in claim 1, wherein: the locking linkage rod comprises a long rod part and a short rod part positioned above the long rod part, the sliding head is arranged at the upper end of the short rod part, and the opening and closing head is arranged at the lower end of the long rod part; the upper end of the long rod part is in transitional connection with the lower end of the short rod part through a connecting part in an arc shape.

6. A direct slide vehicle door lock with high unlocking efficiency as defined in claim 1, wherein: a guide plate extends rightwards from the groove wall at the rear side of the straight sliding groove.

7. A direct slide vehicle door lock with high unlocking efficiency as defined in claim 6, wherein: and an inclined plane which inclines towards the lower left side is arranged on the lower side of the side wall on the right side of the guide plate.

8. A direct slide vehicle door lock with high unlocking efficiency as defined in claim 1, wherein: a notch is arranged at the rear side of the bottom of the straight chute, and the width of the notch is smaller than the thickness of the opening and closing head; the side walls of the front side and the rear side of the opening and closing head are provided with arc surfaces protruding outwards.

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