CN219952990U - Self-priming electric tail-opening door lock - Google Patents
Self-priming electric tail-opening door lock Download PDFInfo
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- CN219952990U CN219952990U CN202223286614.XU CN202223286614U CN219952990U CN 219952990 U CN219952990 U CN 219952990U CN 202223286614 U CN202223286614 U CN 202223286614U CN 219952990 U CN219952990 U CN 219952990U
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- toothed plate
- priming
- ratchet wheel
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- 238000005452 bending Methods 0.000 claims abstract description 12
- 230000037452 priming Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of automobile tail door locks, in particular to a self-priming electric tail-opening door lock which comprises a bottom plate, a toothed plate, a pawl and a ratchet wheel, wherein the toothed plate, the pawl and the ratchet wheel are all rotationally connected to the bottom plate, the toothed plate is in a T shape, the upper part of the toothed plate is an arc-shaped rack, the lower part of the toothed plate is provided with a hook part, the self-priming electric tail-opening door lock further comprises an unlocking linkage rocker rotationally connected to the bottom plate, the unlocking linkage rocker is arranged on one side of the toothed plate, the lower part of the unlocking linkage rocker is provided with a clamping groove, the pawl is positioned below the unlocking linkage rocker, the upper part of the pawl is provided with an unlocking convex column extending into the clamping groove, an engagement cambered surface is formed in the middle of one side of the pawl, the ratchet wheel is arranged on one side of the pawl, two convex parts which can be matched with the engagement cambered surface are arranged on one side of the toothed plate, and the upper part of the ratchet wheel is provided with a bending part which can be contacted with the hook part. The self-priming structure is simple, the toothed plate pushes the ratchet wheel to realize self priming, and the unlocking linkage rocker arm realizes rotation or return through rotation or return of the pawl.
Description
Technical Field
The utility model relates to the technical field of automobile tail door locks, in particular to a self-priming electric tail-opening door lock.
Background
Chinese patent CN111535697a discloses an electric actuation lock structure for a tail door of an automobile, which comprises a housing, a driving unit, a transmission unit, a locking unit, a snow load unit and an emergency mechanism; the transmission unit comprises a toothed plate, a locking swing arm and an unlocking swing arm; the locking unit comprises a pawl and a ratchet wheel which are matched with each other; the snow load mechanism is connected to the shell in a shaft mode, one end of the snow load mechanism is provided with a snow load clamping rib, and the snow load clamping rib is in movable fit with the snow load clamping arranged on the pawl. The locking and unlocking actions can be completed through a single motor, and the device has the advantages of compact structure, reliable transmission and low cost. However, the unlocking swing arm needs spring return, and the self-priming structure is complex.
Chinese patent CN214498704U discloses a mechanism for realizing clutch and emergency opening of a single rocker arm of a door lock, wherein a toothed plate and an unlocking rocker arm are rotatably connected to a bottom plate through the same shaft, and the unlocking rocker arm has clockwise torque; the toothed plate is rotatably provided with a self-priming rocker arm, the top of the self-priming rocker arm is contacted with the arc surface of the stop plate, and the self-priming rocker arm has anticlockwise torque; the bottom plate is also rotatably provided with a stop plate, and the stop plate has clockwise torque; the lower part of the bottom plate is provided with a bending part, a ratchet wheel and a pawl are rotatably arranged on the bending part, the pawl is arranged on the right side of the ratchet wheel, the unlocking rocker is provided with a protruding part, a first support arm and a second support arm which are integrally connected, and the protruding part is matched with the upper end inclined plane of the stop plate, so that the stop plate can rotate downwards; the second support arm is matched with the pawl and can push the pawl to rotate clockwise, and the unlocking rocker arm has clockwise torque. The clockwise torque of the unlocking rocker arm is needed to be realized through the unlocking rocker arm return spring, and the anticlockwise torque of the self-priming rocker arm is realized through the self-priming rocker arm return spring, so that self-priming and unlocking are all needed to be realized through setting different reset pieces, and certain potential safety hazards exist.
Disclosure of Invention
The utility model aims to solve the technical problems that: overcomes the defects in the prior art and provides a self-priming tail-opening door lock.
The technical scheme adopted for solving the technical problems is as follows: the self-priming electric tail-opening door lock comprises a bottom plate, a toothed plate, a pawl and a ratchet wheel, wherein the toothed plate, the pawl and the ratchet wheel are all rotationally connected on the bottom plate,
the toothed plate is T-shaped, the upper part of the toothed plate is an arc-shaped rack, the lower part of the toothed plate is provided with a hook part,
the ratchet is arranged on one side of the pawl, two convex parts which can be matched with the meshing cambered surfaces are arranged on one side face of the ratchet facing to the toothed plate, and a bending part which can be contacted with the bent hook part is arranged on the upper part of the ratchet.
Further, the middle part of the toothed plate is rotationally connected to the bottom plate through a toothed plate riveting shaft, and the front end surface and the rear end surface of the crotch are respectively a self-sucking cambered surface and an electric opening cambered surface.
Further, the upper part of the unlocking linkage rocker arm is rotatably connected to the bottom plate through an unlocking linkage rocker arm riveting shaft, and an unlocking engagement cambered surface is arranged at the left side position of the unlocking linkage rocker arm, which is close to the upper end of the clamping groove.
Further, the clamping groove is a U-shaped groove with a downward opening. The clamping groove is set to be a U-shaped groove, so that the effectiveness of the clamping connection with the unlocking convex column is guaranteed.
Further, the lower part of the pawl is rotatably connected to the bottom plate through a pawl riveting shaft.
Further, a supporting piece fixedly connected with the pawl is arranged on the outer side wall of the unlocking convex column. And the supporting piece is arranged, so that the firmness of the unlocking convex column is ensured.
Further, the left upper part of the ratchet wheel is rotationally connected to the bottom plate through a ratchet wheel riveting shaft, and the end surfaces of two convex parts on the side surface of the ratchet wheel are respectively a half-lock engagement surface and a full-lock engagement surface.
Further, a limiting block for limiting the ratchet wheel is arranged at the position, close to the ratchet wheel, on the bottom plate, and the side face, facing the toothed plate, of the ratchet wheel bending part is a ratchet wheel self-suction cambered surface. And setting a limiting block to control the stroke of the ratchet wheel.
The beneficial effects of the utility model are as follows: the self-priming mechanism is simple in self-priming structure, self priming can be realized by directly pushing the ratchet wheel through the toothed plate, the toothed plate can also push the unlocking linkage rocker arm to unlock in the opposite direction, the unlocking linkage rocker arm does not need reset parts such as springs and the like to realize reset, the self-priming mechanism is linked with the pawl, and the pawl can reset to realize reset of the unlocking linkage rocker arm.
Drawings
The utility model will be further described with reference to the drawings and embodiments.
Fig. 1 is a schematic view of the structure of the present utility model in a semi-locked state.
Fig. 2 is a schematic structural view of the self-priming completion state of the present utility model.
Fig. 3 is a schematic view of the structure of the present utility model in a ready-to-unlock state.
Fig. 4 is a schematic view of the structure of the unlocking completion state of the present utility model.
In the figure:
1. the bottom plate, the toothed plate, the pawl, the ratchet, the toothed plate riveting shaft, the unlocking linkage rocker arm riveting shaft, the pawl riveting shaft, the ratchet riveting shaft and the ratchet riveting shaft,
11. the limiting block is arranged on the upper surface of the frame,
21. arc rack, 22, hook part, 22-1, self-sucking cambered surface, 22-2, electric opening cambered surface,
31. unlocking convex column, 32, engagement cambered surface, 34, concave cambered surface, 35, supporting piece,
41. a convex part 41-1, a half-lock engagement surface 41-2, a full-lock engagement surface 42, a bending part 42-1, a ratchet self-priming cambered surface,
71. and (5) clamping grooves and 72. Unlocking cambered surfaces.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.
As shown in fig. 1, 2, 3 and 4, the self-priming electric tail-opening door lock comprises a bottom plate 1, a toothed plate 2, a pawl 3 and a ratchet wheel 4, wherein the bottom plate 1 is arranged in a shell, the shell is generally formed by splicing an upper shell and a lower shell, only the structure of the lower shell part is shown in the figure, and the structure of the upper shell is not shown;
the middle part of the toothed plate 2 is rotationally connected to the bottom plate 1 through a toothed plate riveting shaft 6, the toothed plate 2 is in a T shape, the upper part of the toothed plate is provided with an arc rack 21, the lower part of the toothed plate is provided with a hook part 22, and the front end surface and the rear end surface of the hook part 22 are respectively a self-sucking arc surface 22-1 and an electric opening arc surface 22-2;
the device further comprises an unlocking linkage rocker arm 7 which is rotatably connected to the bottom plate 1, wherein the unlocking linkage rocker arm 7 is arranged on one side of the toothed plate 2, the upper part of the unlocking linkage rocker arm 7 is rotatably connected to the bottom plate 1 through an unlocking linkage rocker arm riveting shaft 8, and the lower part of the unlocking linkage rocker arm 7 is provided with a clamping groove 71;
the pawl 3 is positioned below the unlocking linkage rocker arm 7, the lower part of the pawl 3 is rotationally connected to the bottom plate 1 through a pawl riveting shaft 9, the upper part of the pawl 3 is provided with an unlocking convex column 31 which stretches into the clamping groove 71, and the middle of one side surface of the pawl is convexly provided with a meshing cambered surface 32;
the ratchet wheel 4 is arranged on one side of the pawl 3 and is positioned below the toothed plate 2, the upper left part of the ratchet wheel 4 is rotationally connected to the bottom plate 1 through the ratchet wheel riveting shaft 10, two convex parts 41 which can be matched with the meshing cambered surface 32 are arranged on one side surface of the ratchet wheel 3, and a bending part 42 which can be contacted with the hook part 22 is arranged on the upper part of the ratchet wheel 4.
Wherein, the left side position of the unlocking linkage rocker arm 7 near the upper end of the clamping groove 71 is transversely provided with an unlocking cambered surface 72. The unlocking linkage rocker arm 7 is in an S-shaped structure towards one side of the toothed plate 2. Preferably, the clamping groove 71 is a downward opening U-shaped groove.
The outer side wall of the unlocking convex column 31 is provided with a supporting piece 35 fixedly connected with the pawl 3.
The end surfaces of the two convex parts 41 on the side surface of the ratchet wheel 4 are respectively a half-lock engagement surface 41-1 and a full-lock engagement surface 41-2.
A limiting block 11 for limiting the bending part 42 is arranged on the bottom plate 1 at a position close to the ratchet wheel 4, and the side surface of the bending part 42 facing the toothed plate 2 is a ratchet wheel self-suction cambered surface 42-1.
The self-priming electric tail-opening door lock of the embodiment moves as follows:
self-priming motion process: when the door lock is closed into the half lock, as shown in fig. 1, an actuator (with a driving piece, which can drive a transmission piece meshed with the toothed plate 2 in a toothed manner to rotate, not shown in the figure) drives the toothed plate 2 to rotate clockwise as shown in fig. 1, a self-suction cambered surface 22-1 on the toothed plate 2 drives a self-suction cambered surface 42-1 on the ratchet wheel 4 to move, so that the ratchet wheel 4 rotates anticlockwise until a full-lock meshing surface 41-2 of the ratchet wheel 4 is supported by the pawl 3, and the actuator drives the toothed plate 2 to return to an initial position in the opposite direction as shown in fig. 2;
electric opening movement process: after self-priming is completed, when the door lock receives a user unlocking instruction, the executor drives the toothed plate 2 to unlock, the toothed plate 2 moves anticlockwise as shown in fig. 3, the unlocking arc surface 22-2 on the toothed plate 2 pushes the unlocking linkage rocker arm 7 to rotate anticlockwise, the clamping groove 71 on the lower part drives the pawl 3 to rotate clockwise through driving the unlocking convex column 31 of the pawl 3, so that the pawl 3 is separated from the full-locking engagement surface 41-2 of the ratchet wheel 4, the ratchet wheel 4 is not propped against the ratchet wheel 4 any more, and the ratchet wheel 4 returns to the full-opening position under the driving of the lock catch on the door, so that unlocking action is completed.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a self-priming open-tail door lock, includes bottom plate (1), pinion rack (2), pawl (3) and ratchet (4) all rotate to be connected on bottom plate (1), its characterized in that:
the toothed plate (2) is T-shaped, the upper part of the toothed plate is an arc-shaped rack (21), the lower part of the toothed plate is provided with a hook part (22),
still including rotating and connecting the linkage rocking arm (7) of unblanking on bottom plate (1), the linkage rocking arm (7) of unblanking sets up in one side of pinion rack (2), and its lower part is equipped with draw-in groove (71), pawl (3) are located the linkage rocking arm (7) below of unblanking, and the upper portion of pawl (3) has and stretches into unblanking projection (31) in draw-in groove (71), and the protrusion is formed with a meshing cambered surface (32) in the middle of its side, ratchet (4) set up in pawl (3) one side, and are located pinion rack (2) below, and it is equipped with on the side of orientation pawl (3) can with two convex parts (41) of meshing cambered surface (32) complex, the upper portion of ratchet (4) be equipped with can with bending portion (42) of crotch portion (22) contact.
2. The self-priming electric tail-gate lock of claim 1, wherein: the middle part of the toothed plate (2) is rotationally connected to the bottom plate (1) through a toothed plate riveting shaft (6), and the front end surface and the rear end surface of the hook part (22) are respectively a self-suction cambered surface (22-1) and an electric opening cambered surface (22-2).
3. The self-priming electric tail-gate lock of claim 1, wherein: the upper part of the unlocking linkage rocker arm (7) is rotatably connected to the bottom plate (1) through an unlocking linkage rocker arm riveting shaft (8), and an unlocking cambered surface (72) is arranged at the left side position of the unlocking linkage rocker arm, which is close to the upper end of the clamping groove (71).
4. A self-priming, electric tail-gate lock according to claim 1 or 3, characterized in that: the clamping groove (71) is a U-shaped groove with a downward opening.
5. The self-priming electric tail-gate lock of claim 1, wherein: the lower part of the pawl (3) is rotationally connected to the bottom plate (1) through a pawl riveting shaft (9).
6. The self-priming, electric tail-gate lock of claim 1 or 5, wherein: the outer side wall of the unlocking convex column (31) is provided with a supporting sheet (35) fixedly connected with the pawl (3).
7. The self-priming electric tail-gate lock of claim 1, wherein: the upper left part of the ratchet wheel (4) is rotationally connected to the bottom plate (1) through a ratchet wheel riveting shaft (10), and the end surfaces of two convex parts (41) on the side surface of the ratchet wheel (4) are respectively a half-lock meshing surface (41-1) and a full-lock meshing surface (41-2).
8. The self-priming electric tail-gate lock of claim 1, wherein: a limiting block (11) for limiting a bending part (42) is arranged at the position, close to the ratchet wheel (4), of the bottom plate (1), and the side surface, facing the toothed plate (2), of the bending part (42) is a ratchet wheel self-suction cambered surface (42-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223286614.XU CN219952990U (en) | 2022-12-07 | 2022-12-07 | Self-priming electric tail-opening door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223286614.XU CN219952990U (en) | 2022-12-07 | 2022-12-07 | Self-priming electric tail-opening door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219952990U true CN219952990U (en) | 2023-11-03 |
Family
ID=88549486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223286614.XU Active CN219952990U (en) | 2022-12-07 | 2022-12-07 | Self-priming electric tail-opening door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219952990U (en) |
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2022
- 2022-12-07 CN CN202223286614.XU patent/CN219952990U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |