CN219081296U - Locking mechanism of automobile door lock - Google Patents
Locking mechanism of automobile door lock Download PDFInfo
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- CN219081296U CN219081296U CN202223468769.5U CN202223468769U CN219081296U CN 219081296 U CN219081296 U CN 219081296U CN 202223468769 U CN202223468769 U CN 202223468769U CN 219081296 U CN219081296 U CN 219081296U
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- clamping plate
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- lock
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model relates to an automobile door lock locking mechanism, which comprises a bottom plate, a locking claw and a clamping plate, wherein the locking claw and the clamping plate are rotatably arranged on the bottom plate; the clamping plate is provided with a half-lock engagement position and a full-lock engagement position, and a clamping plate boss facing the bottom plate is arranged on one side of the half-lock engagement position; the clamping plate has three position states of opening, half locking and full locking; when the clamping plate rotates to a full locking state, the clamping plate boss is in interference fit with the raised boss of the bottom plate so as to slow down the movement speed of the clamping plate when the clamping plate enters the full locking state, and when the clamping plate rotates to an unlocking and half locking state, the clamping plate boss is in clearance fit with the bottom plate; the pawl has a pawl engagement surface for contacting engagement with the half-lock engagement position and the full-lock engagement position of the stop plate, respectively. The utility model reduces noise generated by the impact of each part of the locking mechanism and improves the sensory quality and customer satisfaction of the vehicle.
Description
Technical Field
The utility model relates to an automobile door lock, in particular to a locking mechanism of the automobile door lock.
Background
The automobile door lock locking mechanism mainly comprises a clamping plate and a locking claw which are rotatably arranged on a lock shell, and the clamping plate and the locking claw rotate to different positions, so that the clamping plate and the locking claw are in different meshing states, and further the lock body is in different locking states such as full locking, half locking and full unlocking. In the locking process of the vehicle door, the lock catch fixed on the vehicle body can impact the lock body fixed on the vehicle door, and the clamping plate can strike the internal structure of the lock body after being at the full locking position to generate abnormal sound; in the process of opening the car door, the locking claw does not restrict the clamping plate any more, the clamping plate is opened by the car door and the potential energy of the part spring, and after the clamping plate is opened, the clamping plate can strike the other position inside the lock body to generate abnormal sound. The abnormal sound generated in the locking and opening processes affects the user experience.
With the current automobile market having higher requirements on the sound quality and door closing feel of automobile parts, the current state of the art needs to be improved.
Disclosure of Invention
The present utility model is directed to solving the various problems mentioned above, and further provides an automobile door locking mechanism. The locking mechanism comprises a buffer structure, so that the impact of two states of locking and unlocking of the lock body can be effectively reduced, locking and unlocking sounds can be effectively reduced, and the sound quality and texture of the whole car door lock are improved. Meanwhile, the two buffer structures are combined to the same part, so that the number of the parts is reduced, and the volume and the weight of the parts are reduced.
In order to solve the problems, the utility model adopts the following technical scheme:
a locking mechanism of an automobile door lock comprises a bottom plate, a locking claw and a clamping plate which are rotatably arranged on the bottom plate, and is characterized in that,
the bottom plate is provided with a U-shaped opening for locking the lock catch and a bulge matched with the U-shaped opening in shape;
the clamping plate is provided with a groove for hooking the lock catch, two sides of the groove are respectively provided with a half-lock engagement position and a full-lock engagement position, and one side of the half-lock engagement position is provided with a clamping plate boss facing the bottom plate; the clamping plate has three position states of opening, half locking and full locking; when the clamping plate rotates to a full locking state, the clamping plate boss is in interference fit with the raised boss of the bottom plate so as to slow down the movement speed of the clamping plate when the clamping plate enters the full locking state, and when the clamping plate rotates to an unlocking and half locking state, the clamping plate boss is in clearance fit with the bottom plate;
the pawl has a pawl engagement surface for contacting engagement with the half-lock engagement position and the full-lock engagement position of the stop plate, respectively.
The clamping plate is provided with a clamping plate straight edge which is used for being in contact fit with the edge of the clamping plate buffer block when the clamping plate is in the full locking position so as to slow down the movement speed of the clamping plate when the clamping plate enters the full locking state.
The stop pawl is provided with a stop pawl end part, one side of the stop pawl end part is provided with a stop pawl buffer block, and the stop pawl buffer block is used for limiting the stop pawl end part to provide positioning of the whole stop pawl, so that return impact of the stop pawl is relieved, and noise is reduced.
The cardboard has the cardboard to rise to protruding, the cardboard rises protruding when the cardboard is in the open position, can cooperate with the edge of cardboard buffer block to the velocity of movement when slowing down the cardboard and opening.
The clamping plate is raised to form a bubble buffering structure.
The cardboard has the bubble structure, cardboard bubble structure is located the outer fringe that is close the locking hole portion between cardboard half-lock meshing position and the full-lock meshing position, and when hasp and cardboard locking hole portion contact, cardboard bubble structure is used for contacting with the hasp to reduce the striking sound between hasp and the cardboard.
The number of the bubble structures is one or two.
According to the locking mechanism of the automobile door lock, disclosed by the utility model, different locking states of the locking mechanism are combined, and the buffer structures in different shapes are arranged between the bottom plate, the clamping plate and the locking claw, so that the impact and noise generated in the mutual movement process of all parts are reduced, the sound quality of the lock is improved, and the sensory quality of a user and the customer satisfaction are improved.
Drawings
Fig. 1: a schematic structural diagram of a locking mechanism of an automobile door lock according to the first embodiment;
fig. 2: a schematic structural diagram of the bottom plate;
fig. 3: a clamping plate structure schematic diagram;
fig. 4: a schematic view of the structure of the locking claw;
fig. 5: a full-locking state schematic diagram of the locking mechanism;
fig. 6: a fully-opened state structure diagram of the locking mechanism;
in the figure, 1, a bottom plate, 1.1, a first bottom plate mounting hole, 1.2, a second bottom plate mounting hole, 1.3, a bulge, 1.4, a buffer block mounting column, 1.5, a bottom plate mounting screw hole, 1.6, a U-shaped opening, 2, a clamping plate, 2.1, a clamping plate shaft hole, 2.2, a half-locking engagement position, 2.3, a full-locking engagement position, 2.4, a clamping plate boss, 2.5, a clamping plate bubble structure, 2.6, a clamping plate straight edge, 2.7, a clamping plate bulge, 2.8, a clamping plate connecting hole, 3, a locking claw, 3.1, a locking claw shaft hole, 3.2, a locking claw engagement surface, 3.3, a locking claw end part, 3.4, a clamping plate shaft, 5, a locking claw shaft, 6, a locking plate buffer block and 7.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings.
Example 1
A locking mechanism of an automobile door lock comprises a bottom plate 1, a clamping plate 2 and a locking claw 3 which are respectively rotatably arranged on the bottom plate 1 and meshed with each other, and a clamping plate buffer block 6 and a locking claw buffer block 7 which are respectively arranged on one side of the clamping plate 2 and one side of the locking claw 3.
The bottom plate 1 is provided with a first bottom plate mounting hole 1.1, a second bottom plate mounting hole 1.2, a U-shaped opening 1.6 and a raised boss 1.3 which is similar to the U-shaped opening 1.6 in shape; the first base plate mounting holes 1.1 and the second base plate mounting holes 1.2 are respectively located on two sides of the U-shaped opening 1.6 and are distributed up and down, the U-shaped opening 1.6 provides a channel and a space for locking the lock catch, and the protruding portion 1.3 is formed by protruding along the edge of the U-shaped opening 1.6. The base plate 1 is also provided with a buffer block mounting column 1.4 and a base plate mounting screw hole 1.5.
The clamping plate 2 is provided with a clamping plate shaft hole 2.1, a half-lock meshing position 2.2, a full-lock meshing position 2.3, a clamping plate boss 2.4, a clamping plate bubble structure 2.5, a clamping plate straight edge 2.6 and a clamping plate bulge 2.7. Wherein, cardboard board shaft hole 2.1 of cardboard 2 corresponds the first 1.1 of bottom plate mounting hole on bottom plate 1, connects through cardboard axle 4 between the two holes to make cardboard 2 can rotate and install on bottom plate 1. The clamping plate has three states of opening, half locking and full locking, and is in an opening state when the clamping plate 2 is disengaged from the locking claw 3; when the clamping plate 2 rotates to the half-lock engagement position 2.2 to be engaged with the locking claw 3, the clamping plate is in a half-lock state; when the clamping plate 2 rotates to the full locking engagement position 2.3 to engage with the locking claw 3, the clamping plate is in the full locking state. The clamping plate boss 2.4 is configured on one side of the half-lock meshing position 2.2, when the clamping plate 2 is in a full-lock state, the clamping plate boss 2.4 is in interference fit with the raised boss 1.3 of the bottom plate 1 so as to slow down the movement speed of the clamping plate when the clamping plate enters the full-lock state, and when the clamping plate 2 is in an opening and half-lock state, the clamping plate boss 2.4 is in clearance fit with the surface of the bottom plate 1. The cardboard bubble structure 2.5 is located the outer fringe that is close to the locking mouth portion between the half locking meshing position 2.2 of cardboard and the full locking meshing position 2.3, and its quantity can be provided with one or two places, when hasp and cardboard locking mouth portion contact, cardboard bubble structure 2.5 is used for contacting with the hasp to reduce the striking sound between hasp and the cardboard. The clamping plate straight edge 2.6 is used for being matched with the edge of the clamping plate buffer block 6 in a contact mode, and when the clamping plate 2 rotates to the full-locking position, the clamping plate straight edge 2.6 can be contacted with the edge of the clamping plate buffer block 6 to slow down the movement speed of the clamping plate when the clamping plate enters the full-locking state. The convex 2.7 of cardboard sets up the opposite side at the half lock meshing position 2.2 and the full lock meshing position 2.3 of cardboard, the convex 2.7 of cardboard is in when opening the position at cardboard 2, can cooperate with the edge of cardboard buffer block 6 to the velocity of movement when slowing down the cardboard and opening. The clamping plate bulge 2.7 can be of a bubble buffer structure. The clamping plate 2 further comprises a clamping plate connecting hole 2.8, and the clamping plate connecting hole 2.8 is used for connecting other parts so as to transmit rotation torque.
The pawl 3 has a pawl shaft bore 3.1, a pawl engagement surface 3.2, and a pawl end 3.3. Wherein, the detent shaft hole 3.1 of the detent 3 corresponds to the second base plate mounting hole 1.2 on the base plate 1, and the two holes are connected through the detent shaft 5, so that the detent 3 is rotatably mounted on the base plate 1. The pawl engagement surface 3.2 is adapted to be in contact engagement with a half-lock engagement position 2.2 and a full-lock engagement position 2.3 of the catch plate 2, respectively. The locking claw 3 has two states of opening and locking, when the locking claw engagement surface 3.2 is not in contact engagement with the half-lock engagement position 2.2 and the full-lock engagement position 2.3 of the clamping plate 2, the locking claw 3 is in an opening state, and the vehicle door is opened at the moment; when the locking claw engagement surface 3.2 is in contact engagement with the half-lock engagement position 2.2 of the card 2, the locking claw 3 is in a locked state, and the vehicle door is half-locked, and when the locking claw engagement surface 3.2 is in contact engagement with the full-lock engagement position 2.3 of the card 2, the locking claw 3 is in a locked closed state, and the vehicle door is full-locked. The locking claw 3 is likewise provided with a locking claw coupling opening 3.4, the locking claw coupling opening 3.4 being provided for coupling further components for transmitting rotational torque.
The installation position of the clamping plate buffer block 6 on the bottom plate 1 is as follows: when the clamping plate 2 is positioned at the opening position, the clamping plate bulge 2.7 is abutted against the clamping plate buffer block 6 so as to slow down the movement speed of the clamping plate when being opened; when the clamping plate 2 rotates to the full-locking position, the clamping plate straight line 2.6 can be in contact fit with the edge of the clamping plate buffer block 6, so that the movement speed of the clamping plate entering the full-locking state is slowed down.
The mounting position of the pawl buffer 7 on the base plate 1 should be such that: when the locking claw engagement surface 3.2 of the locking claw 3 is in contact engagement with the half-lock engagement position 2.2 and the full-lock engagement position 2.3 of the clamping plate 2, the locking claw end 3.3 can abut against the locking claw buffer block 7 to slow down the return impact of the locking claw 3 and position the locking claw 3. The engagement surface of the pawl buffer 7 with the pawl end 3.3 is substantially rectilinear.
Claims (7)
1. A locking mechanism of automobile door lock comprises a bottom plate, a locking claw and a clamping plate which are rotatably arranged on the bottom plate, and is characterized in that,
the bottom plate is provided with a U-shaped opening for locking the lock catch and a bulge matched with the U-shaped opening in shape;
the clamping plate is provided with a groove for hooking the lock catch, two sides of the groove are respectively provided with a half-lock engagement position and a full-lock engagement position, and one side of the half-lock engagement position is provided with a clamping plate boss facing the bottom plate; the clamping plate has three position states of opening, half locking and full locking; when the clamping plate rotates to a full locking state, the clamping plate boss is in interference fit with the raised boss of the bottom plate so as to slow down the movement speed of the clamping plate when the clamping plate enters the full locking state, and when the clamping plate rotates to an unlocking and half locking state, the clamping plate boss is in clearance fit with the bottom plate;
the pawl has a pawl engagement surface for contacting engagement with the half-lock engagement position and the full-lock engagement position of the stop plate, respectively.
2. A door locking mechanism for an automobile as claimed in claim 1, wherein,
the clamping plate is provided with a clamping plate straight edge which is used for being in contact fit with the edge of the clamping plate buffer block when the clamping plate is in the full locking position.
3. A door locking mechanism for an automobile as claimed in claim 2, wherein,
the pawl has a pawl end with a pawl bumper disposed on one side of the pawl end that provides for positioning of the entire pawl by limiting the pawl end.
4. A door locking mechanism for an automobile as claimed in claim 3, wherein,
the cardboard has the cardboard to rise to protruding, the cardboard rises protruding when the cardboard is in the open position, can cooperate with the edge of cardboard buffer block to the velocity of movement when slowing down the cardboard and opening.
5. A door locking mechanism for an automobile as claimed in claim 4, wherein,
the clamping plate is raised to form a bubble buffering structure.
6. A door locking mechanism for an automobile as claimed in claim 5, wherein,
the cardboard has the bubble structure, cardboard bubble structure is located the outer fringe that is close the locking mouth between cardboard half lock meshing position and the full lock meshing position, cardboard bubble structure is used for contacting with the hasp to reduce the striking sound between hasp and the cardboard.
7. A door locking mechanism for an automobile as claimed in claim 6, wherein,
the number of the bubble structures is one or two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223468769.5U CN219081296U (en) | 2022-12-26 | 2022-12-26 | Locking mechanism of automobile door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223468769.5U CN219081296U (en) | 2022-12-26 | 2022-12-26 | Locking mechanism of automobile door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219081296U true CN219081296U (en) | 2023-05-26 |
Family
ID=86389323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223468769.5U Active CN219081296U (en) | 2022-12-26 | 2022-12-26 | Locking mechanism of automobile door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219081296U (en) |
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2022
- 2022-12-26 CN CN202223468769.5U patent/CN219081296U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |