CN210118022U - Self-priming door lock gripping device and vehicle door lock system - Google Patents

Abstract

The present disclosure provides a self-priming door lock grasping device, comprising: the lock comprises a lock tongue, a pawl, a self-sucking claw and a tension wheel, wherein the lock is in an unlocking state, a half-locking state and a full-locking state according to the matching of the lock tongue and the pawl at different positions; under the condition that the door lock is changed from an unlocking state to a half-locking state, the lock catch moves to push the lock bolt to rotate, and the lock is changed from the unlocking state to the half-locking state through the cooperation of the lock bolt and the pawl; and under the condition that the door lock is changed from a half-locking state to a full-locking state, the tensioning wheel rotates and drives the self-suction claw to rotate, the lock tongue rotates through the contact of the self-suction claw and the lock tongue, and the lock tongue drives the lock catch to move until the lock tongue enters the full-locking state.

Description

Self-priming door lock gripping device and vehicle door lock system

Technical Field

The present disclosure relates to a self-priming door lock grasping device and a vehicle door lock system.

Background

Generally, a door lock is designed with three states of unlocking (preparation), half-locking (intermediate state) and full-locking (completion). When an external force (user closes the door) causes the door lock to enter a half-lock state from an unlocked state, the self-priming mechanism drives the internal mechanical parts of the door lock to complete a movement from the half-lock state to a full-lock state, which is called a self-priming, or grasping, function. A four-bar-like grasping mechanism for a self-priming door lock is lacked, mechanical parts are matched to form a four-bar-like motion mechanism, so that the lever ratio in the self-priming mechanism is optimized, and the performance of a product cannot be improved due to poor continuity of self-priming action of an existing door lock product.

SUMMERY OF THE UTILITY MODEL

To solve at least one of the above technical problems, the present disclosure provides a self-priming door lock grasping device and a vehicle door lock system.

According to a first aspect of the present disclosure, a self-priming door lock gripping device comprises: the lock comprises a lock tongue, a pawl, a self-sucking claw and a tension wheel, wherein the lock is in an unlocking state, a half-locking state and a full-locking state according to the matching of the lock tongue and the pawl at different positions; under the condition that the door lock is changed from an unlocking state to a half-locking state, the lock catch moves to push the lock bolt to rotate, and the lock is changed from the unlocking state to the half-locking state through the cooperation of the lock bolt and the pawl; and when the door lock is changed from a half-locking state to a full-locking state, the tensioning wheel rotates and drives the self-suction claw to rotate, the self-suction claw is contacted with the lock tongue to enable the lock tongue to rotate, and the lock tongue drives the lock catch to move until the lock tongue enters the full-locking state.

In some embodiments, the device further comprises a base plate, and the lock tongue, the pawl and the tension wheel are rotatably connected to the base plate.

In some embodiments, the ratchet mechanism further comprises a first rotating shaft, the first rotating shaft penetrates through the pawl and the bottom plate, the first rotating shaft is fixed on the bottom plate, and the pawl can rotate around the first rotating shaft.

In some embodiments, the lock further comprises a second rotating shaft, the second rotating shaft is fixed on the bottom plate, and the lock tongue can rotate around the second rotating shaft.

In some embodiments, the device further comprises a third rotating shaft, the third rotating shaft is fixed on the base plate, and the tensioning wheel can rotate around the third rotating shaft.

In some embodiments, the self-suction claw further comprises a fourth rotating shaft, the fourth rotating shaft is fixed on the tension wheel, and the self-suction claw can rotate around the fourth rotating shaft.

In some embodiments, the tensioner further comprises a self-priming cable, one end of which is fixed to the tensioner to rotate the tensioner.

In some embodiments, the self-priming pawl includes a female portion and the locking bolt includes a male portion that mates with the female portion, the female portion of the self-priming pawl contacting the male portion of the locking bolt to form a contact point when the door lock changes from a half-locked state to a full-locked state to cause rotation of the locking bolt by rotation of the self-priming pawl.

In some embodiments, the second rotating shaft, the third rotating shaft, the fourth rotating shaft and the contact point constitute a four-bar-like structure.

According to a second aspect of the present disclosure, a vehicle door lock system includes any of the self-priming door lock gripping devices disclosed in the first aspect of the present disclosure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

FIG. 1 is an unlocked position view of a self-priming door latch grasping device of the present disclosure.

FIG. 2 is a state diagram of a half-lock position of a self-priming door latch catch device of the present disclosure.

FIG. 3 is a diagram of an initial state of tension for a self-priming door lock gripping device of the present disclosure.

FIG. 4 is a state diagram of the tensioning process of a self-priming door latch grasping device of the present disclosure.

FIG. 5 is a state diagram of a full lock position of a self-priming door latch catch device of the present disclosure.

11. The self-suction type steel wire rope comprises a lock catch, 12, a bottom plate, 13, a pawl, 14, a first rotating shaft, 15, a second rotating shaft, 16, a lock bolt, 16a, a convex part, 17, a tension wheel, 17a, a limiting part, 17b, an annular groove, 18, a third rotating shaft, 19, a fourth rotating shaft, 20, a self-suction claw, 20a, a concave part, 21, a self-suction steel wire rope, 22, a contact point, 23, a locking part, 24, a matching part, 25 and a guide groove.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The present disclosure provides a self-priming door lock grasping device, comprising: hasp 11, spring bolt 16, pawl 13, from inhaling claw 20 and take-up pulley 17. The apparatus may also include a base plate 12.

According to an alternative embodiment of the present disclosure, as shown in fig. 1 to 5, the present disclosure further includes a first rotating shaft 14, the first rotating shaft 14 passes through the pawl 13 and the base plate 12, the first rotating shaft 14 is fixed on the base plate 12, and the pawl 13 can rotate around the first rotating shaft 14.

According to an alternative embodiment of the present disclosure, as shown in fig. 1 to 5, the present disclosure further includes a second rotating shaft 15, the second rotating shaft 15 passes through the latch bolt 16 and the base plate 12, the second rotating shaft 15 is fixed on the base plate 12, and the latch bolt 16 can rotate around the second rotating shaft 15.

According to an alternative embodiment of the present disclosure, as shown in fig. 1 to 5, the present disclosure further includes a third rotating shaft 18, the third rotating shaft 18 passes through the tension pulley 17 and the base plate 12, the third rotating shaft 18 is fixed on the base plate 12 or fixed on the tension pulley 17, and the tension pulley 17 can rotate around the third rotating shaft 18.

According to an alternative embodiment of the present disclosure, as shown in fig. 1 to 5, the present disclosure further includes a fourth rotating shaft 19, the fourth rotating shaft 19 passes through the self-suction claw 20 and the tension pulley 17, the fourth rotating shaft 19 is fixed on the tension pulley 17, and the self-suction claw 20 is rotatable around the fourth rotating shaft 19.

According to the cooperation of the bolt 16 and the pawl 13 at different positions, the door lock is in an unlocked state, a half-locked state and a full-locked state. Fig. 1 is a state diagram of the unlocking position, in which the pawl 13 is not in contact with the latch 16, fig. 2 is a state diagram of the half-locking position, in which the pawl 13 abuts against the latch 16 at the half-locking position, and fig. 5 is a state diagram of the full-locking position, in which the pawl 13 abuts against the latch 16 at the full-locking position.

In the case that the door lock is changed from the unlocked state to the half-locked state, the shackle 11 moves to push the bolt 16 to rotate, and the door lock is changed from the unlocked state to the half-locked state by the bolt 16 cooperating with the pawl 13; and in the case that the door lock is changed from the half-locking state to the full-locking state, the tension wheel 17 rotates and drives the self-suction claw 20 to rotate, the bolt 16 rotates through the contact of the self-suction claw 20 and the bolt 16 drives the lock catch 11 to move until the full-locking state is entered.

Through the rotation of spring bolt 16, can realize that the lock is from unblanked state to half-locked state, and then from half-locked state to full-locked state, be provided with on spring bolt 16 with hasp 11 portion 24 that cooperates each other, hasp 11 is through inserting or breaking away from this portion 24, promotes spring bolt 16 and rotates in order to accomplish its unblanked, half-locked and switching of full-locked state, is provided with latch 23 and convex part 16a in the outer peripheral part of spring bolt 16, and in a specific embodiment, latch 23 is the recess of similar L-shaped that sets up on spring bolt 16 edge portion. The second rotating shaft 15 passes through the locking tongue 16 and the bottom plate 12, and the locking tongue 16 can rotate around the rotating shaft, as shown in fig. 1 to 5, the unlocking, half-locking and full-locking actions are gradually completed in the process that the locking tongue 16 rotates around the second rotating shaft 15.

And a pawl 13, the pawl 13 being disposed adjacent to the locking portion 23, the pawl 13 being rotatable about the first axis of rotation 14.

As shown in fig. 1, when the door lock is in the unlocked state, the pawl 13 and the locking part 23 on the bolt 16 are in a non-contact state, as shown in fig. 2 and 3, when an external force acts on the bolt 16, the bolt 16 rotates, and the pawl 13 rotates along with the bolt until the end of the pawl 13 abuts against the locking part 23, and at this time, the door lock is in the half-locked state; as shown in fig. 4 and 5, when the latch 16 continues to rotate, the pawl 13 gradually rotates from the locking portion 23 abutting on the latch 16 to the full-lock position abutting on the latch 16, and at this time, the door lock is in the full-lock state.

As shown in fig. 1 to 5, a tension pulley 17 is disposed on the opposite side of the convex portion 16a of the lock tongue 16, and the tension pulley 17 is rotatable about a third rotation shaft 19, and the rotation direction of the tension pulley 17 is the same as the rotation direction of the lock tongue 16.

As shown in fig. 1 to 5, the self-priming claw 20 includes a concave portion 20a, and the lock tongue 16 includes a convex portion 16a which is engaged with the concave portion 20a, when the door lock is changed from the half-locked state to the full-locked state, the concave portion 20a of the self-priming claw 20 is in contact with the convex portion 16a of the lock tongue 16 to form a contact point, the self-priming claw 20 is disposed at the opposite side of the convex portion 16a of the lock tongue 16, the self-priming claw 20 is rotatable about a fourth rotation shaft 19 fixed to a tension pulley 17, and the end of the self-priming claw 20 abuts on the convex portion 16a of the lock tongue 16 by the rotation of the self-priming claw 20, thereby pushing the rotation of the.

As shown in fig. 3 to 5, after the door lock enters the half-locking state, the tensioning wheel 17 is driven by external force to rotate around the fourth rotating shaft 19, so as to gradually drive the self-sucking claw 20 to abut against the lock tongue 16, at this time, the tensioning wheel 17 continues to rotate to drive the self-sucking claw 20 fixed to the lower end of the tensioning wheel to continuously push the lock tongue 16 to rotate until the lock tongue 16 enters the full-locking state from the half-locking state, and the locking action is completed.

According to an alternative embodiment of the present disclosure, as shown in fig. 1 to 5, the latch tongue 16, the pawl 13, the tension pulley 17, and the self-priming claw 20 may all rotate relative to the base plate 12. It should be noted that, a guide groove 25 for moving the lock catch 11 is formed on the bottom plate 12, the lock catch 11 pushes the latch 16 to rotate when reciprocating in the guide groove 25 on the bottom plate 12, and when the lock catch 11 reciprocates along the guide groove 25 on the bottom plate 12, one end of the lock catch 11 is simultaneously embedded in a portion 24 of the latch 16 that is engaged with the lock catch 11, so as to push the latch 16 to rotate.

According to an alternative embodiment of the present disclosure, as shown in fig. 1 to 5, the present disclosure further includes a self-priming cable 21, and one end of the self-priming cable 21 is annularly wound around an end of the tension wheel 17 away from the lock tongue 16. As shown in fig. 2, the self-priming cable 21 is wound around an annular groove 17b (tension feature) of the tension wheel 17, and one end of the self-priming cable 21 is fixed to a position-limiting part 17a (position-limiting feature) on the tension wheel 17 to limit the position of the self-priming cable 21 during movement, so as to prevent the self-priming cable 21 from being dislocated when the self-priming cable 21 is pulled.

According to an alternative embodiment of the present disclosure, as shown in fig. 1 to 5, the second rotation shaft 15, the third rotation shaft 18, the fourth rotation shaft 19, and the contact point 22 constitute a four-bar-like structure. As shown in fig. 3 to 5, the tension pulley 17 is rotated by pulling the self-priming wire 21 until the edge of the tension pulley to which the third rotating shaft 18 is connected abuts on the latch bolt 16, and the end of the self-priming claw 20 abuts on the convex portion 16a of the latch bolt 16.

According to an alternative embodiment of the present disclosure, the full lock position is located in a portion 24 of the bolt 16 that interacts with the shackle 11. As shown in fig. 1 to 5, for the convenience of processing, a full locking position may be provided at an edge of the shackle engaging portion 24, and in a specific embodiment, when the shackle 11 engaging portion 24 is a U-shaped groove, the full locking position is a junction between the U-shaped groove and the locking portion 23, the full locking position is a smooth transition from the locking portion 23, and the full locking position is a smooth transition from the shackle 11 engaging portion 24.

According to an alternative embodiment of the present disclosure, in some specific embodiments, the convex portion 16a is a circular arc shape, and the corresponding concave portion 20a on the self-priming claw 20 is a circular arc shape recessed toward the inside of the self-priming claw 20, and when the self-priming claw 20 moves toward the lock tongue 16 under the action of an external force, the concave portion 20a on the self-priming claw 20 gradually fits the convex portion 16a and pushes the lock tongue 16 to rotate clockwise, thereby gradually completing the locking action during the locking process of the door lock.

According to an optional embodiment of the present disclosure, the tensioning wheel 17 is provided with a limiting portion 17a and an annular groove 17b, the limiting portion 17a is disposed at an end of the tensioning wheel 17 far from the end where the self-suction claw 20 is fixed, the annular groove 17b is disposed at an outer end of the tensioning wheel 17 far from the rotation center thereof, the annular groove 17b is connected with the limiting portion 17a, and one end of the self-suction steel cable 21 is fixed on the limiting portion 17a and embedded in the annular groove 17 b. As shown in fig. 1 to 5, when the self-priming cable 21 pulls the tension pulley 17 clockwise, the free end thereof gradually disengages from the annular groove 17b of the tension pulley 17.

The action process of the door lock according to an optional embodiment of the present disclosure is as follows: from the unlocked position of fig. 1, external forces cause movement of the shackle 11 in the direction of the illustrated arrow in cooperation with the locking bolt 16 to the half-locked position of fig. 2. The self-suction wire 21 is pulled downward, the tension pulley 17 rotates clockwise, and the self-suction claw 20 fixed thereto moves therewith, and the state of fig. 3 is reached. The concave portion 20a of the self-sucking claw 20 is in contact with the convex portion 16a of the latch tongue 16, and constitutes a contact point 22. The self-priming wire 21 is pulled further downwards and the tensioning wheel 17 and the self-priming claw 20 continue to rotate clockwise. In the subsequent process, as shown in fig. 3, 4 and 5, the second rotating shaft 15, the third rotating shaft 18, the fourth rotating shaft 19 and the contact point 22 form a four-bar-like structure. This configuration drives the latch 16 to rotate clockwise, and the latch 16 pulls the latch 11 to the right, until the full lock position shown in fig. 5, completing the self-priming process.

The beneficial effects of the above embodiment are as follows: the self-suction door lock grasping device is matched with mechanical parts to form a four-bar linkage motion mechanism, so that the lever ratio in the self-suction mechanism is optimized, the product performance is improved, and the self-suction door lock grasping device is softer, has small vibration and small friction and noise in the locking process of a door lock.

The present disclosure also provides a vehicle door lock system comprising any of the self-priming door lock gripping devices disclosed in the first aspect of the present disclosure.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims (10)

1. A self-priming door lock gripping device, comprising: a lock tongue, a pawl, a self-suction claw and a tension wheel,

according to the matching of the lock tongue and the pawl at different positions, the door lock is in an unlocking state, a half-locking state and a full-locking state;

under the condition that the door lock is changed from an unlocking state to a half-locking state, a lock catch moves to push the lock tongue to rotate, and the lock is changed from the unlocking state to the half-locking state through the cooperation of the lock tongue and a pawl; and

when the door lock is changed from a half-locking state to a full-locking state, the tensioning wheel rotates and drives the self-suction claw to rotate, the self-suction claw is contacted with the lock tongue, so that the lock tongue rotates, and the lock tongue drives the lock catch to move until the lock tongue enters the full-locking state.

2. The self-priming door lock gripping device of claim 1, further comprising a base plate to which the locking bolt, the pawl and the tension wheel are rotatably connected.

3. The self-priming door lock gripping device of claim 2, further comprising a first shaft, said first shaft being fixed to said base plate, said pawl being rotatable about said first shaft.

4. The self-priming door lock gripping device of claim 3, further comprising a second shaft, said second shaft being fixed to said base plate, said latch bolt being rotatable about said second shaft.

5. The self-priming door lock grasping device according to claim 4, further comprising a third rotating shaft, the third rotating shaft being fixed to the base plate, the tension pulley being rotatable about the third rotating shaft.

6. The self-priming door lock gripping device of claim 5, further comprising a fourth shaft, said fourth shaft being fixed to said tension wheel, said self-priming pawl being rotatable about said fourth shaft.

7. The self-priming door lock gripping device of claim 1, further comprising a self-priming wire rope having one end secured to the tensioning wheel to rotate the tensioning wheel.

8. The self-priming door lock gripping device according to claim 6, wherein the self-priming pawl comprises a female portion and the locking bolt comprises a male portion cooperating with the female portion, the female portion of the self-priming pawl contacting the male portion of the locking bolt to form a contact point when the door lock changes from a half-locked state to a full-locked state, such that the locking bolt is rotated by rotation of the self-priming pawl.

9. The self-priming door lock gripping device of claim 8, wherein the second pivot, the third pivot, the fourth pivot and the contact point comprise a four-bar linkage-like structure.

10. A vehicle door lock system characterized by comprising the self-priming door lock gripping device of any one of claims 1 to 9.

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