Electric unlocking and self-absorption integrated mechanical lock body
By designing an electrically opened, self-priming integrated mechanical lock body and combining it with a ratchet, pawl and self-priming rocker arm structure, intelligent operation of the lock body is achieved, which solves the problems of inconvenient operation and low integration of existing lock bodies and improves the functionality and safety of the lock body.
Patent Information
- Application Number
- CN202422455429.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-10-11
AI Technical Summary
Existing automobile lock bodies are mostly mechanical structures, which are inconvenient to operate and lack intelligent integrated design, and cannot meet consumers' demands for automobile safety and operating performance.
An electric opening and self-priming integrated mechanical lock body is designed. The electric opening and self-priming functions are realized through the combined structure of ratchet, pawl and self-priming rocker arm, and intelligent control is achieved by combining the actuator and body controller.
The intelligent operation of the lock body is realized, the flexibility and safety of opening and self-closing are improved, the production cost is reduced, and the matching adaptability of the lock body and the vehicle body accessories is enhanced.
Smart Images
Figure CN223398528U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts, in particular to an electrically opened and self-priming integrated mechanical lock body. Background Art
[0002] With the rapid development of the global automotive industry, consumers are becoming increasingly knowledgeable about cars and are placing ever-higher demands on cost, safety, and operational performance. Consequently, the intelligent control of automotive components is becoming increasingly important. However, most locks currently on the market operate mechanically, resulting in low levels of integration. Furthermore, many car doors are mechanically opened and closed using interior or exterior handles, making operation inconvenient. To continuously enhance vehicle comfort and improve door lock functionality, a new type of lock is needed. Summary of the Invention
[0003] The purpose of the utility model is to solve the above technical problems and provide an electrically opened and self-priming integrated mechanical lock body.
[0004] In order to achieve the above technical objectives and meet the above technical requirements, the technical solution adopted by the utility model is: an electric opening and self-priming integrated mechanical lock body, including a front cover assembly sub-assembly, a lock body assembly sub-assembly, a self-priming assembly sub-assembly, and a rear cover, the front cover assembly sub-assembly includes a front cover, a ratchet shaft, a pawl shaft, and a connecting shaft are arranged on the front cover, a ratchet and a ratchet return spring are arranged on the ratchet shaft, a ratchet self-priming shaft is arranged on the ratchet, a pawl, a pawl return spring, a pawl signal rocker arm, and a pawl signal rocker arm return spring are arranged on the pawl in sequence, and an electric opening pull wire is arranged on the pawl; the self-priming assembly sub-assembly It includes a self-priming rocker arm shaft A, a self-priming rocker arm linkage shaft, and a self-priming rocker arm shaft B. The self-priming rocker arm shaft A is provided with a self-priming rocker arm A and a self-priming rocker arm return spring A. The self-priming rocker arm linkage shaft is sequentially provided with a self-priming rod return spring, a self-priming rocker arm A, a self-priming rod, and a washer. One end of the self-priming rod is provided with a self-priming pull wire, and the other end is provided with a self-priming rod limiting shaft. The self-priming rocker arm shaft B17 is sleeved with a self-priming rocker arm B and a self-priming rocker arm return spring B, and the other end of the self-priming rocker arm B is provided with a self-priming transmission shaft; the actuator drives the pawl to move through the electric opening pull wire to realize the electric opening function of the car door, and drives the self-priming rod to move through the self-priming pull wire to realize the self-priming function of the car door.
[0005] Preferably, the lock body subassembly includes a lock body, and the lock body is provided with a lock buckle shock-absorbing pad, a pawl shock-absorbing pad, a self-priming rocker arm buffer block, a ratchet signal device, and a pawl signal rocker arm signal device.
[0006] Preferably, the ratchet signal device and the pawl signal rocker arm signal device are respectively provided with a wiring harness connector for connecting to the vehicle body controller BCM to feedback the door lock status.
[0007] Preferably, the ratchet shaft, pawl shaft, self-priming rocker arm shaft A, and connecting shaft respectively pass through the front cover plate, the lock body, and the rear cover plate, and are riveted and fixed at both ends.
[0008] Preferably: the pawl rotates around the pawl shaft under the action of the electric opening wire, so that the pawl and the ratchet are disengaged, and the ratchet is reset around the ratchet shaft under the action of the ratchet return spring to realize the door lock opening function.
[0009] Preferably, the front end of the self-priming rod is configured to be hook-shaped, and is used to drive the ratchet self-priming shaft to link the ratchet to move around the ratchet shaft so that the pawl and the ratchet engage, thereby realizing the self-priming function of the door lock.
[0010] Preferably: the pawl head is provided with a protrusion, and the self-priming rod fails to reset after self-priming. The pawl protrusion pushes the self-priming rocker arm B to rotate around the self-priming rocker arm shaft B, and the self-priming transmission shaft pushes the self-priming rod to disengage from the ratchet self-priming shaft, so that the ratchet is reset, thereby realizing the self-priming insurance opening function.
[0011] Preferably: when the ratchet is in the open state, the ratchet is in limited contact with the pawl shock pad and has no contact with the ratchet signal device; the pawl is in limited contact with the pawl shock pad, and the pawl signal rocker arm remains disengaged from the pawl signal rocker arm signal device under the action of the pawl signal rocker arm return spring.
[0012] Preferably: when the ratchet is in a semi-locked state, the ratchet engages with the pawl, and the ratchet begins to contact the ratchet signal device; the pawl is limitedly contacted with the pawl shock-absorbing pad, and the pawl signal rocker arm remains disengaged from the pawl signal rocker arm signal device under the action of the pawl signal rocker arm return spring.
[0013] Preferably, when the ratchet is in a fully locked state, the ratchet is in meshing contact with the pawl, the ratchet is in contact with the ratchet signal device, and the pawl signal rocker is in contact with the pawl signal rocker signal device.
[0014] Compared with the traditional structure, the beneficial effects of this utility model are:
[0015] 1. Opening function: The external actuator pulls the lock body pawl to realize the door lock opening function. The lock body can be opened directly by the external actuator, meeting the needs of intelligent operation, and the self-opening mechanism moves flexibly and conveniently.
[0016] 2. Self-priming function: When the door lock is half-locked, the external actuator pulls the self-priming rod, which in turn pulls the ratchet self-priming shaft to fully lock the door. The lock body can be electrically self-primed directly through the external actuator, meeting the needs of intelligent operation, and the electric closing mechanism is flexible and convenient.
[0017] 3. Self-priming insurance opening function: when the door lock is in the fully locked state, the self-priming rod is affected by some factors and fails to reset after self-priming. The pawl can be pulled to push the self-priming rocker arm, and the self-priming rocker arm shaft is linked to push the self-priming rod, and the self-priming rod is disengaged from the ratchet self-priming shaft; after disengagement, the ratchet is reset under the action of the ratchet return spring, thereby realizing the self-priming insurance opening function.
[0018] 4. The utility model has a novel and reasonable structure, strong functionality, high degree of integration, compact installation, flexible movement, safety and reliability, easy operation, enhanced lock body strength, improved transmission efficiency, reduced production costs, and improved the matching adaptability between the lock body and vehicle body accessories. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is an exploded view of the lock body of the utility model;
[0020] Figure 2 This is one of the assembly diagrams of all signal devices, ratchet shock pads and lock bodies of the utility model;
[0021] Figure 3 This is the second assembly diagram of all signal devices, ratchet shock pads and lock bodies of the utility model;
[0022] Figure 4 This is one of the schematic diagrams of the lock body of the utility model in the open state;
[0023] Figure 5 This is the second schematic diagram of the lock body of the utility model in the open state;
[0024] Figure 6 This is one of the schematic diagrams of the half-locked state of the lock body of the utility model;
[0025] Figure 7 This is the second schematic diagram of the half-locked state of the lock body of the utility model;
[0026] Figure 8 This is one of the schematic diagrams of the fully locked state of the lock body of the utility model;
[0027] Figure 9 This is the second schematic diagram of the fully locked state of the lock body of the utility model;
[0028] Figure 10 This is one of the internal structure diagrams of the utility model after removing the housing and the connecting plate;
[0029] Figure 11 This is the second schematic diagram of the internal structure of the utility model after removing the housing and connecting plate;
[0030] Figure 12 This is a schematic diagram of the pawl in the present invention being opened to its maximum position;
[0031] Figure 13 This is the second schematic diagram of the pawl in the present invention opened to the maximum position;
[0032] Figure 14 This is a schematic diagram of the utility model in which the lock body is in a semi-locked state and before the self-priming function is executed;
[0033] Figure 15 This is the second schematic diagram of the utility model in which the lock body is in a semi-locked state and before the self-priming function is executed;
[0034] Figure 16 This is a schematic diagram of the utility model showing that the lock body is in a semi-locked state and the self-priming push rod effectively contacts the ratchet self-priming shaft during the self-priming function;
[0035] Figure 17 The second schematic diagram shows the lock body in a semi-locked state in the present invention, with the self-priming push rod effectively contacting the ratchet self-priming shaft during the self-priming function;
[0036] Figure 18 This is a schematic diagram of the self-priming push rod of the lock body in the present invention pushing the ratchet to the fully locked state;
[0037] Figure 19 This is the second schematic diagram of the self-priming push rod of the lock body in the present invention pushing the ratchet to the fully locked state;
[0038] Figure 20 This is a schematic diagram of the state before mechanical opening when the lock body is in the self-priming state in the present invention;
[0039] Figure 21 This is the second schematic diagram of the state before mechanical opening when the lock body is in the self-priming state in the present invention;
[0040] Figure 22 This is a schematic diagram of the state in which the pawl pushes the self-priming rocker arm and the self-priming push rod is disengaged from the ratchet wheel after the lock body is mechanically opened in the self-priming state of the utility model;
[0041] Figure 23 This is a schematic diagram of the lock body self-priming push rod before and after self-priming / resetting.
[0042] In the figure: 1. Front cover, 2. Ratchet shaft, 3. Ratchet, 3-1. Ratchet surface a, 3-2 Ratchet surface b, 3-3 Ratchet surface c, 3-4. Ratchet surface d, 3-5. Ratchet surface e, 4. Ratchet return spring, 5. Pawl shaft, 6. Pawl return spring, 7. Pawl, 7-1. Pawl surface a, 7-2. Pawl surface b, 8. Pawl signal rocker arm, 8-1. Pawl signal rocker arm surface a, 8-2. Pawl signal rocker arm surface b, 9. Pawl signal rocker arm return spring, 10. Connecting shaft, 11. Pawl shock absorber, 12. Lock body, 12-1. Lock body surface, 13. Ratchet signal device, 14. Pawl signal rocker arm signal device, 15. Self-priming rocker arm B, 15-1. Self-priming rocker arm B surface, 16. Self-priming drive shaft, 17. Self-priming rocker arm shaft B, 18. Self-priming rocker arm return spring B, 19. Self-priming rocker arm shaft A, 20. Self-priming rocker arm return spring A, 21. Self-priming rocker arm A, 22. Self-priming rocker arm linkage shaft, 23. Self-priming rod return spring, 24. Self-priming rod, 24-1. Self-priming rod surface a, 24-2. Self-priming rod surface b, 25. Self-priming rod limit shaft, 26. Locking shock absorber pad, 27. Self-priming rocker arm buffer block, 28. Rear cover, 29. Self-tapping screw, 30. Stainless steel washer, 31. Ratchet self-priming shaft, 32. Electric opener cable, 33. Self-priming cable. DETAILED DESCRIPTION
[0043] The utility model is further described below.
[0044] Refer to the attached Figure 1 , an electric open and self-priming integrated mechanical lock body, including a front cover assembly sub-assembly, a lock body assembly sub-assembly, a self-priming assembly sub-assembly, and a rear cover 28, the front cover assembly sub-assembly including a front cover 1, a ratchet shaft 2, a pawl shaft 5, and a connecting shaft 10 are provided on the front cover, a ratchet shaft 2 is provided with a ratchet 3 and a ratchet return spring 4, a ratchet self-priming shaft 31 is provided on the ratchet 3, a pawl 7, a pawl return spring 6, a pawl signal rocker arm 8, and a pawl signal rocker arm return spring 9 are provided on the pawl 7 in sequence, and an electric open pull wire 32 is provided on the pawl 7; the self-priming assembly sub-assembly includes a self-priming rocker arm shaft A19, a self-priming rocker arm linkage shaft 22, and a self-priming rocker arm shaft B 17. The self-priming rocker arm shaft A19 is provided with a self-priming rocker arm A21 and a self-priming rocker arm return spring A20. The self-priming rocker arm linkage shaft 22 is sequentially provided with a self-priming rod return spring 23, a self-priming rocker arm A21, a self-priming rod 24 and a washer 30. One end of the self-priming rod 24 is provided with a self-priming pull wire 33, and the other end is provided with a self-priming rod limiting shaft 25. The self-priming rocker arm shaft B17 is sleeved with a self-priming rocker arm B15 and a self-priming rocker arm return spring B18, and the other end of the self-priming rocker arm B15 is provided with a self-priming transmission shaft 16; the actuator drives the pawl 7 to move through the electric opening pull wire 32 to realize the electric opening function of the car door, and drives the self-priming rod 24 to move through the self-priming pull wire 33 to realize the self-priming function of the car door.
[0045] In this preferred embodiment, the lock body subassembly includes a lock body 12, on which a lock buckle shock-absorbing pad 26, a pawl shock-absorbing pad 11, a self-priming rocker arm buffer block 27, a ratchet signal device 13, and a pawl signal rocker arm signal device 14 are provided.
[0046] In this preferred embodiment, the ratchet signal device 13 and the pawl signal rocker arm signal device 14 are respectively provided with wiring harness connectors for connecting to the vehicle body controller BCM to feedback the door lock status.
[0047] In this preferred embodiment, the ratchet shaft 2, pawl shaft 5, self-priming rocker arm shaft A19, and connecting shaft 10 respectively pass through the front cover plate 1, the lock body 12, and the rear cover plate 28, and are riveted and fixed at both ends.
[0048] In this preferred embodiment, when the ratchet 3 is in the open state, the ratchet 3 is in limited contact with the pawl shock-absorbing pad 11 and has no contact with the ratchet signal device 13; the pawl 7 is in limited contact with the pawl shock-absorbing pad 11, and the pawl signal rocker arm 8 remains disengaged from the pawl signal rocker arm signal device 14 under the action of the pawl signal rocker arm return spring 9.
[0049] In this preferred embodiment, when the ratchet 3 is in a semi-locked state, the ratchet 3 engages with the pawl 7, and the ratchet 3 begins to contact the ratchet signal device 13; the pawl 7 is in limited contact with the pawl shock-absorbing pad 11, and the pawl signal rocker arm 8 remains disengaged from the pawl signal rocker arm signal device 14 under the action of the pawl signal rocker arm return spring 9.
[0050] In this preferred embodiment, when the ratchet 3 is in the fully locked state, the ratchet 3 is in meshing contact with the pawl 7 , the ratchet 3 is in contact with the ratchet signal device 13 , and the pawl signal rocker arm 8 is in contact with the pawl signal rocker arm signal device 14 .
[0051] In this preferred embodiment, the pawl 7 rotates around the pawl shaft 5 under the action of the electric opening wire 32, the pawl 7 is disengaged from the ratchet 3, and the ratchet 3 is reset around the ratchet shaft 2 under the action of the ratchet return spring 4, thereby realizing the door lock opening function.
[0052] In this preferred embodiment, when the ratchet 3 moves to the semi-locked position, it outputs a signal to the body controller, and the body outputs an instruction to the actuator. The actuator pulls the self-priming wire 33 to drive the self-priming rod 24. The front end of the self-priming rod 24 is set to a hook shape, pulling the ratchet self-priming shaft 31 to make the ratchet 3 move around the ratchet shaft 2. After the ratchet 3 rotates into place, the pawl 7 is reset and engages with the ratchet 3 in the second gear, realizing the self-priming closing function of the door lock; after the door lock self-priming function is completed, the self-priming rod 24 is reset under the action of the self-priming rod return spring 23, and the linked self-priming rod 24 is reset around the self-priming rocker arm linkage shaft 22.
[0053] In this preferred embodiment, a raised portion is provided on the head of the pawl 7. If the self-priming rod 24 is unable to perform the reset action after self-priming due to some influence, the pawl 7 can be pulled and the pawl 7 rotates around the pawl shaft 5. The raised portion pushes the self-priming rocker arm B15, and the self-priming transmission shaft 16 provided on the self-priming rocker arm B15 pushes the self-priming rod 24 to disengage from the ratchet self-priming shaft 31, so that the ratchet 3 is reset, thereby realizing the self-priming safety opening function.
[0054] In specific implementation, the lock body assembly of the utility model is assembled as follows:
[0055] 1) Lock body subassembly: Assemble the self-priming rocker arm buffer block 27, the lock buckle shock-absorbing pad 26, and the pawl shock-absorbing pad 11 on the lock body 12. Assemble the ratchet signal device 13 and the pawl signal rocker arm signal device 14 on the above subassembly.
[0056] 2) Ratchet assembly subassembly: Rivet the ratchet self-priming shaft 31 onto the ratchet 3;
[0057] 3) Self-priming rod sub-assembly: Rivet the self-priming rod limit shaft 25 on the self-priming rod 24;
[0058] 4) Self-priming rocker arm subassembly: Rivet the self-priming drive shaft 16 onto the self-priming rocker arm 15;
[0059] 5) Self-priming component subassembly: Install the self-priming rod return spring 23 on the self-priming rocker arm linkage shaft 22, and then install the self-priming rocker arm 21, self-priming rod 24, and stainless steel washer 30 in sequence and rivet them together;
[0060] 6) Front cover subassembly: Insert the ratchet shaft 2 through the ratchet 3 and front cover 1, and rivet them to the bottom of the base plate. Insert the pawl shaft 5 through the pawl signal rocker arm return spring 9, pawl signal rocker arm 8, pawl return spring 4, and pawl 7, and rivet them to the bottom. Insert the connecting shaft 10 through the base plate and rivet them to the bottom. Place the front cover subassembly into the lock body 12.
[0061] 7) Place the self-priming rocker arm shaft A19 in the above-mentioned component subassembly and rivet it at the bottom of the front cover 1. After riveting, put on the self-priming rocker arm return spring A20 and the rear cover 28 of the self-priming component subassembly and rivet it in place at four locations.
[0062] The utility model has the following functions:
[0063] 1) Opening function: Under the action of the opening wire 32, the pawl 7 rotates around the pawl shaft 5, so that the pawl surface a7-1 and the ratchet surface a3-1 are out of meshing relationship. Under the action of the ratchet return spring 4, the ratchet 3 is reset around the ratchet shaft 2, so that the ratchet surface b3-2 contacts the pawl shock pad 11 until the ratchet 3 is fully open, realizing the door lock opening function, thereby feeding back the door lock ratchet opening signal to the BCM. Figure 4-5 shown.
[0064] The pawl 7 is opened, and the pawl 7 is engaged with the ratchet wheel 3 to bear the lock body load. The pawl signal rocker arm surface b8-2 contacts the pawl signal rocker arm signal device 14, thereby feeding back the position state of the pawl signal rocker arm 8, as shown in FIG. Figure 12-13 shown.
[0065] 2) Self-priming function: When the door is closed by external force, the lock enters the slot of the ratchet 3, and the ratchet 3 rotates around the ratchet shaft 2. At the same time, the ratchet surface c 3-3 pushes the pawl 7 to rotate around the pawl shaft 5. When the ratchet 3 moves to the semi-locked position, Figure 6-7 As shown, the pawl 7 is reset under the action of the pawl return spring 6, the pawl meshing surface 7-1 engages with the ratchet meshing surface d3-4, and at the same time the ratchet surface e3-5 contacts with the ratchet signal device surface 13-1, the pawl signal rocker arm surface a8-1 contacts with the ratchet surface e3-5, and the pawl signal rocker arm surface b8-2 remains disengaged from the pawl signal rocker arm signal device 14; the combination of the above signals triggers the door lock to enter the semi-locked state, thereby performing a self-priming action. The half-locked state signal is fed back to the vehicle body through the door lock harness connector. The external actuator of the vehicle body pulls the self-priming wire 33 to drive the self-priming rod 24, the self-priming rocker arm linkage shaft 22, and the self-priming rocker arm 21 to move around the self-priming rocker arm shaft 19. The self-priming rod surface a 24-1 pulls the ratchet self-priming shaft 31 to link the ratchet 3 to move around the ratchet shaft 2, so that the ratchet surface c 3-3 pushes the pawl 7 to make way around the pawl shaft 5. When the ratchet 3 moves to the fully locked position, the pawl 7 is reset under the action of the pawl return spring 6, and the pawl surface 7-1 engages with the ratchet surface a 3-1 to realize the self-priming function. Figure 18-21 shown.
[0066] At the same time, ratchet 3 contacts ratchet signal device 13, and pawl signal rocker arm 8 presses pawl signal rocker arm signal device 14. A signal is fed back to the vehicle body via the wiring harness connector, indicating that the side door is fully locked, thus terminating the self-priming operation. Self-priming rod 24, along with self-priming rocker arm A21, is reset around self-priming rocker arm shaft A19 under the action of self-priming rocker arm return spring A20. At this point, the self-priming function is complete.
[0067] The self-priming rod 24 resets and moves, as shown in FIG. Figure 23 As shown, the self-priming rod 24 moves from the self-priming position to the left side of the figure under the drive of the self-priming rocker arm 27. The self-priming rod 24 moves around the self-priming rocker arm linkage shaft 22 under the action of the self-priming rod return spring 23, so that the self-priming rod limit shaft 25 moves and resets along the lock body surface 12-1.
[0068] 3) Self-priming insurance opening function: The lock body is provided with a self-priming rocker arm 15 and a self-priming rocker arm return spring 18. The self-priming rocker arm 15 is provided with a self-priming transmission shaft 16. When the self-priming rod 24 is affected by some influence and fails to reset after self-priming, the pawl 7 can be pulled, and the pawl 7 rotates around the pawl shaft 5, and the self-priming rocker arm B surface 15-1 is pushed to rotate around the self-priming rocker arm shaft B17 through the pawl surface b 7-2. Then, the self-priming rod surface b 24-2 is pushed to rotate around the self-priming rocker arm linkage shaft 22 through the self-priming transmission shaft 16 provided on the self-priming rocker arm B15, so that the self-priming rod surface a 24-1 is disengaged from the ratchet self-priming shaft 31. Figure 12-13 As shown, after disengagement, the ratchet 3 rotates and resets around the ratchet shaft 2 under the action of the ratchet return spring 4, realizing the self-priming safety opening function. At the same time, the self-priming rod 24 is reset around the self-priming rocker arm linkage shaft 22 under the action of the self-priming rod return spring 23; the next electric opening self-priming function can be cyclically executed.
[0069] 4) Door lock opening signal: When the ratchet 3 is in the open state, the ratchet 3 is in limited contact with the pawl shock pad 11 and has no contact with the ratchet signal device 13; the pawl 7 is in limited contact with the pawl shock pad 11, and the pawl signal rocker arm 8 is kept disengaged from the pawl signal rocker arm signal device 14 under the action of the pawl signal rocker arm return spring 9; the signal is fed back to the vehicle body through the wiring harness connector, indicating that the door is in the open state, such as Figure 4-5 shown.
[0070] 5) Door lock half-lock signal: When the ratchet 3 is in the half-lock state, the ratchet 3 is engaged with the pawl 7, and the ratchet 3 begins to contact the ratchet signal device 13; the pawl 7 is limitedly contacted with the pawl shock-absorbing pad 11, and the pawl signal rocker arm 8 is kept disengaged from the pawl signal rocker arm signal device 14 under the action of the pawl signal rocker arm return spring 9; the signal is fed back to the vehicle body through the connector, indicating that the door is in the half-lock state, such as Figure 6-7 shown.
[0071] 6) Door lock full lock signal: When the ratchet 3 is in the full lock state, the ratchet 3 is engaged with the pawl 7, the ratchet 3 is in contact with the ratchet signal device 13, and the pawl signal rocker arm 8 presses the pawl signal rocker arm signal device 14; the signal is fed back to the vehicle body through the wiring harness connector, indicating that the side door is in the full lock state, such as Figure 8-9 shown.
[0072] The above embodiments of the present invention are merely examples to clearly illustrate the present invention, but are not intended to limit the scope of protection of the present invention. All equivalent technical solutions also fall within the scope of the present invention. The scope of patent protection of the present invention should be defined by the claims.
Claims
1. An electrically opened and self-priming integrated mechanical lock body, characterized by: The invention comprises a front cover plate assembly subassembly, a lock body assembly subassembly, a self-priming assembly subassembly, and a rear cover plate (28). The front cover plate assembly subassembly comprises a front cover plate (1), a ratchet shaft (2), a pawl shaft (5), and a connecting shaft (10) are provided on the front cover plate, a ratchet (3) and a ratchet return spring (4) are provided on the ratchet shaft (2), a ratchet self-priming shaft (31) is provided on the ratchet shaft (3), a pawl (7), a pawl return spring (6), a pawl signal rocker arm (8), and a pawl signal rocker arm return spring (9) are provided on the pawl shaft (5) in sequence, and an electric opening wire (32) is provided on the pawl (7); the self-priming assembly subassembly comprises a self-priming rocker arm shaft A (19), a self-priming rocker arm linkage shaft (22), and a self-priming rocker arm shaft B (17). The arm shaft A (19) is provided with a self-priming rocker arm A (21) and a self-priming rocker arm return spring A (20); the self-priming rocker arm linkage shaft (22) is provided with a self-priming rod return spring (23), a self-priming rocker arm A (21), a self-priming rod (24), and a washer (30) in sequence; one end of the self-priming rod (24) is provided with a self-priming pull wire (33), and the other end is provided with a self-priming rod limit shaft (25); the self-priming rocker arm shaft B (17) is sleeved with a self-priming rocker arm B (15) and a self-priming rocker arm return spring B (18); the other end of the self-priming rocker arm B (15) is provided with a self-priming transmission shaft (16); the actuator drives the pawl (7) to move through the electric opening pull wire (32) to realize the electric opening function of the car door, and drives the self-priming rod (24) to move through the self-priming pull wire (33) to realize the self-priming function of the car door.
2. The electrically opened and self-priming integrated mechanical lock body according to claim 1, characterized in that: The lock body subassembly comprises a lock body (12), and the lock body (12) is provided with a lock buckle shock-absorbing pad (26), a pawl shock-absorbing pad (11), a self-priming rocker arm buffer block (27), a ratchet signal device (13), and a pawl signal rocker arm signal device (14).
3. The electrically opened and self-priming integrated mechanical lock body according to claim 2, characterized in that: The ratchet signal device (13) and the ratchet signal rocker arm signal device (14) are respectively provided with wiring harness connectors for connecting to the vehicle body controller BCM to feedback the door lock status.
4. The electrically opened and self-priming integrated mechanical lock body according to claim 1, characterized in that: The ratchet shaft (2), the pawl shaft (5), the self-priming rocker arm shaft A (19), and the connecting shaft (10) respectively penetrate the front cover plate (1), the lock body (12), and the rear cover plate (28), and are riveted and fixed at both ends.
5. The electrically opened and self-priming integrated mechanical lock body according to claim 1, characterized in that: The pawl (7) rotates around the pawl shaft (5) under the action of the electric opening wire (32), so that the pawl (7) and the ratchet (3) are disengaged, and the ratchet (3) is reset around the ratchet shaft (2) under the action of the ratchet return spring (4), thereby realizing the door lock opening function.
6. The electrically opened and self-priming integrated mechanical lock body according to claim 1, characterized in that: The front end of the self-priming rod (24) is configured to be hook-shaped and is used to drive the ratchet self-priming shaft (31) to link the ratchet (3) to move around the ratchet shaft (2) so that the pawl (7) and the ratchet (3) engage, thereby realizing the door lock self-priming function.
7. The electrically opened and self-priming integrated mechanical lock according to claim 1, characterized in that: The head of the ratchet (7) is provided with a raised portion. When the self-priming rod (24) fails to reset after self-priming, the raised portion of the ratchet (7) pushes the self-priming rocker arm B (15) to rotate around the self-priming rocker arm shaft B (17). The self-priming transmission shaft (16) pushes the self-priming rod (24) to disengage from the ratchet self-priming shaft (31), so that the ratchet (3) is reset, thereby realizing the self-priming safety opening function.