Modularized combined type telescopic limiting bolt structure and automobile door

Abstract

The invention discloses a modular combined type telescopic limiting bolt structure and an automobile door, the modular combined type telescopic limiting bolt structure comprises a modular shell, a bolt module, an operation handle and a positioning module, and the bolt module is arranged in the modular shell in a sliding mode; the bolt module has a first state in which one end extends out of the modular shell and a second state in which the bolt module retracts into the modular shell; the operating handle is rotationally connected with the modular shell and is connected with the bolt module through a rocker arm, so that the rotary motion of the operating handle is converted into the linear motion of the bolt module through the rocker arm, and the bolt module moves between a first state and a second state; the positioning module is used for being connected with the bolt module so as to lock the bolt module in a first state or a second state; the installation space of the limiting plug pin is greatly saved, the safety performance is obviously improved, the installation effect is more attractive, the man-machine operation comfort is better, the open installation and concealed installation functions can be achieved, and application scenes are rich.

Description

Technical Field

[0001] The invention relates to the technical field of door limiting structures, and in particular to a modular combined telescopic limiting latch structure and a vehicle door. Background Art

[0002] The latch structure of a car door is mainly used to lock the door and ensure the safety of the vehicle. In old models, latches are widely used to lock the door. Even in modern models, although some models can lock the window by key control, the latch still exists and is used to manually control the locking state of the window. In addition, the design of the latch also takes into account the safety of the vehicle in the event of a side collision. There is a view that the design of the latch and the socket can improve the problem of door deformation in the event of a side collision of the vehicle, which shows that the latch plays an important role in vehicle safety.

[0003] The Chinese utility model patent with publication number CN205604906U provides a manual automobile door lock assembly, including a lock body arranged on the door and a lock plate arranged on the door frame, the lock body includes a base fixed on the door, a guide seat and a main guide sleeve both arranged on the base, and a main latch, one end of the main latch is sleeved with a spring for generating an elastic force for the main latch to move upward relative to the guide seat, and the other end passes through the guide hole on the guide seat and extends into the main guide sleeve; wherein, the lock body also includes a handle, the lower end of the guide seat is provided with a guide groove arranged along the axial direction and at least one fixing groove for fixing the handle, one end of the handle is fixed on the main latch, the other end passes through the guide groove and extends outward and can drive the main latch to move downward along the guide groove, so that the lower end of the main latch is inserted into the lock hole on the lock plate. It can control the main latch to insert or withdraw from the lock hole on the lock plate by controlling the handle, and the operation is simple.

[0004] However, the existing latch limit device is relatively simple, mainly composed of a latch and a base, and the latch moves in the slide groove and the limit groove in the base to achieve the limit function. However, this latch can only be pushed and pulled, and cannot be used in scenarios that require rotation operation. The limit latch has a relatively single function and occupies more installation space and movement space, and cannot achieve functional requirements such as built-in installation and rotation operation. Summary of the invention

[0005] The purpose of the present invention is to overcome the above-mentioned technical deficiencies and propose a modular combined telescopic limit latch structure and a car door to solve the technical problems that the existing latch limit devices in the prior art have relatively single functions, occupy more installation space and movement space, and cannot achieve functional requirements such as built-in installation and rotation operation.

[0006] In order to achieve the above technical objectives, the present invention adopts the following technical solutions: In a first aspect, the present invention provides a modular combined telescopic limit latch structure, comprising: a modular shell, a latch module, an operating handle and a positioning module, wherein the latch module is slidably arranged inside the modular shell, and the latch module has a first state in which one end extends out of the modular shell and a second state in which it is retracted into the modular shell; the operating handle is rotatably connected to the modular shell and is connected to the latch module via a rocker arm, so that the rotational motion of the operating handle is converted into linear motion of the latch module via the rocker arm, so that the latch module moves between the first state and the second state; the positioning module is used to connect the latch module, so as to lock the latch module in the first state or the second state.

[0007] By combining the operating handle, latch module and modular housing, the rotational motion of the operating handle can be converted into the linear motion of the latch module through the rocker arm, which greatly saves the installation space of the limit latch and can realize the open and concealed installation functions, with rich application scenarios; the positioning module can realize the limit function of the latch module.

[0008] In some embodiments, the first limiting groove and the second limiting groove are respectively provided on one side of the latch module close to the positioning module. The positioning module includes a locator body, a return spring and a ball. The locator body is installed in a locator installation hole opened on one side of the modular housing. The locator body is provided with a positioning installation groove at one end close to the latch module. The return spring and the ball are both arranged in the positioning installation groove, and one end of the return spring is connected to the groove wall of the positioning installation groove, and the other end is connected to the ball, so that when the first limiting groove or the second limiting groove corresponds to the position of the locator body, the ball can partially protrude from the positioning installation groove under the elastic action of the return spring to enter the first limiting groove or the second limiting groove. Through the cooperation of the first limiting groove, the second limiting groove and the positioning module, the position locking of the latch module in the first state or the second state is realized.

[0009] In some embodiments, the latch module includes a first latch and a second latch, the first latch and the second latch are coaxially connected, a linkage pin is provided on one side of the first latch, the linkage pin is slidably connected to one end of the rocker arm, one end of the second latch is connected to the first latch, and the other end thereof forms an extended end that can be extended or retracted to the modular shell; the first latch and the second latch are respectively provided with the first limiting groove and the second limiting groove.

[0010] In some embodiments, the two corresponding groove walls in the first limiting groove and the second limiting groove are both inclined, and the cross-sectional areas of the first limiting groove and the second limiting groove gradually increase from the groove bottom to the groove mouth, so as to facilitate the sliding of the ball between the first limiting groove, the second limiting groove and the side of the latch module.

[0011] In some embodiments, the operating handle includes a handle body, a movable crank and a crank shaft. One end of the handle body is connected to the rocker arm and is rotatably connected to the modular housing. The other end of the handle body is provided with a crank shaft. The movable crank is rotatably connected to the crank shaft. The rotation stroke when rotating around the crank shaft has a use state and a storage state. When the movable crank is in the use state, the movable crank is perpendicular to the handle body. When the movable crank is in the storage state, the movable crank is parallel to the handle body. When the handle is not in use, the handle can be folded to avoid misoperation by personnel, while also improving the space inside the vehicle.

[0012] In some embodiments, a shaft cover is provided on the side of the modular housing away from the operating handle, the shaft cover is connected to the modular housing through a countersunk bolt, and a first bushing and a second bushing are provided in the modular housing and the shaft cover respectively; the operating handle also includes a handle shaft, the handle shaft passes through the first bushing and the second bushing, and is rotatably connected to the first bushing and the second bushing, and one end of the handle body is connected to the handle shaft through a limiting structure, so as to drive the rocker arm to rotate around the handle shaft through the handle shaft. A semicircular hole and an oblong hole are provided at both ends of the rocker arm respectively, the semicircular hole is connected to the handle shaft in a fitting sleeve, and the oblong hole is slidably connected to the latch module.

[0013] In some embodiments, the modular combined telescopic limit pin structure also includes a pin lock buckle, and a pin matching hole for accommodating the protruding end of the pin module is provided on the side of the pin lock buckle close to the modular shell; when the pin module is in the first state, the pin module extends into the pin matching hole and is plugged into the pin matching hole; when the pin module is in the second state, the pin module moves out of the pin matching hole.

[0014] In the second aspect, the present invention also provides a car door, comprising the modular combined telescopic limit pin structure described in any one of the above items, wherein the modular combined telescopic limit pin structure is fixed to the inside of the door by bolts, and the pin module can enter and exit through the avoidance hole on the inner panel of the door, and a pin lock is installed at the other end of the car door, and the pin module can be plugged and cooperated with the pin lock through the avoidance hole to realize the locking and unlocking functions of the pin module.

[0015] Compared with the prior art, the modular combined telescopic limit latch structure and automobile door provided by the present invention, through the modular housing, latch module, operating handle and positioning module, the rotational movement of the operating handle can be converted into the linear movement of the latch module through the rocker arm, driving the latch module to slide in the modular housing, and the telescopic function of the latch module can be realized; in conjunction with the positioning module, the limit function of the latch module can be realized. The limit latch structure of this scheme changes the operation mode of the latch module from the traditional sliding push-pull operation to the rotation operation, which greatly saves the installation space of the limit latch, and adds the limit function of the locking and unlocking positions, significantly improving the safety performance, making the installation effect more beautiful and the human-machine operation more comfortable, and well solving the problem that the traditional latch needs to be slotted to affect the sealing performance of the door, and can realize the open and concealed installation functions, with rich application scenarios. When installing the limit latch structure, only the installation positions of the bolt fixing points and the operating handle need to be reserved on the car door, so that in the door structure with this limit latch structure, the visible parts of the limit latch structure are only the bolt fixing points and the operating handle, and the appearance is neater and more beautiful than that of a traditional limit latch door. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the modular combined telescopic limit pin structure provided by an embodiment of the present invention; Figure 2 It is a schematic diagram of an exploded structure of a modular combined telescopic limit pin structure provided by an embodiment of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the modular combined telescopic limit latch structure and the automobile door installation provided by the embodiment of the present invention; Figure 4 It is a schematic diagram of the top view of the modular combined telescopic limit latch structure and the automobile door installation provided by an embodiment of the present invention; Figure 5 is a structural schematic diagram of a pin module of a modular combined telescopic limiting pin structure provided by an embodiment of the present invention when the pin module is in a first state; Figure 6 is a structural schematic diagram of a pin module of a modular combined telescopic limiting pin structure provided by an embodiment of the present invention when the pin module is in a second state; Figure 7 1 is a schematic diagram of the back structure of a modular housing of a modular combined telescopic limiting latch structure provided by an embodiment of the present invention; Figure 8 is a structural schematic diagram of a modular housing of a modular combined telescopic limit pin structure provided by an embodiment of the present invention; Fig. 9It is a schematic diagram of the proof structure of the pin module of the modular combined telescopic limit pin structure provided by an embodiment of the present invention; Fig.10 1 is a schematic diagram of the back structure of a latch module of a modular combined telescopic limit latch structure provided by an embodiment of the present invention; Fig.11 It is a schematic diagram of the three-dimensional structure of the linkage pin of the modular combined telescopic limiting latch structure provided by an embodiment of the present invention; Fig.12 It is a schematic diagram of the positioning module structure of the modular combined telescopic limit pin structure provided by an embodiment of the present invention; Fig.13 2 is a schematic diagram of the structure of an operating handle of a modular combined telescopic limit pin structure provided by an embodiment of the present invention; Fig.14 2 is a schematic diagram of the structure of an operating handle of a modular combined telescopic limit pin structure provided by an embodiment of the present invention; Fig.15 It is a structural schematic diagram of the movable crank handle of the operating handle of the modular combined telescopic limit latch structure provided by an embodiment of the present invention when it is in a storage state; Fig.16 2 is a schematic diagram of a shaft cover structure of a modular combined telescopic limit pin structure provided by an embodiment of the present invention; Fig.17 It is a schematic diagram of the handle shaft structure of the modular combined telescopic limit latch structure provided by an embodiment of the present invention; Fig.18 Schematic diagram of the rocker arm structure of the modular combined telescopic limit pin structure provided by an embodiment of the present invention; Fig.19 It is a schematic diagram of the pin lock structure of the modular combined telescopic limiting pin structure provided in an embodiment of the present invention.

[0017] Description of reference numerals: 1. Modular housing; 11. Pin hole; 12. Handle hole; 13. Cover plate mounting hole; 14. Modular mounting slot; 15. First slot; 16. Pin locking hole; 17. First groove; 18. Upper module linkage shaft mounting hole; 19. Positioner mounting hole; 110. Second groove; 111. Pin movement hole; 112. Housing mounting hole; 2. Latch module; 21. First latch; 211. Pin mounting hole; 212. First limiting groove; 213. First mounting stud; 22. Second latch; 221. Second limiting groove; 222. Mounting threaded hole; 223. Latch mounting groove; 23. Linkage pin; 231. Pin mounting stud; 232. Pin sliding column; 233. Pin cap; 234. Pin mounting groove; 3. Operating handle; 31. Handle body; 32. Movable crank; 33. Crank shaft; 34. Stop pin mounting hole; 35. Third stop groove; 36. Handle shaft; 361. Semicircular structure; 362. Stop block; 363. Handle stop mounting hole; 37. Rocker arm; 371. Semicircular hole; 372. Long round hole; 4. Positioning module; 41. Positioner body; 42. Return spring; 43. Ball; 44. Positioning installation groove; 45. Hexagon socket installation hole; 5. Latch lock; 51. Latch matching hole; 52. Latch installation hole; 6. First bushing; 7. Second bushing; 8. Countersunk bolt; 9. Rotating shaft cover plate; 91. Mounting through hole; 92. Rotating shaft through hole; 93. Movement groove. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0019] In order to solve the technical problems that the existing latch limit devices have relatively single functions, occupy more installation space and movement space, and cannot realize the functional requirements of built-in installation, rotation operation and other functions, the present invention provides a modular combined telescopic limit latch structure and a car door. The limit latch structure changes the operation mode of the latch module from the traditional sliding push-pull operation to the rotation operation, which greatly saves the installation space of the limit latch and adds the limiting function of the locking and unlocking positions, significantly improves the safety performance, makes the installation effect more beautiful, and improves the comfort of human-machine operation. It well solves the problem that the traditional latch needs to be grooved to affect the sealing performance when installed in the car door, can realize the functions of open installation and concealed installation, and has rich application scenarios.

[0020] See also Figures 1 to 6 The modular combined telescopic limit latch structure includes: a modular shell 1, a latch module 2, an operating handle 3 and a positioning module 4. The latch module 2 is slidably arranged inside the modular shell 1, and the latch module 2 has a first state in which one end extends out of the modular shell 1 and a second state retracted into the modular shell 1; the operating handle 3 is rotatably connected to the modular shell 1 and is connected to the latch module 2 through a rocker arm 37, so that the rotational movement of the operating handle 3 is converted into a linear movement of the latch module 2 through the rocker arm 37, so that the latch module 2 moves between the first state and the second state; the positioning module 4 is used to connect the latch module 2 to lock the latch module 2 in the first state or the second state.

[0021] In this device, the latch module 2 is slidably arranged inside the modular housing 1. When the operating handle 3 is turned, the rotational movement of the operating handle 3 can be converted into the linear movement of the latch module 2 through the rocker arm 37, so that the latch module 2 is driven to slide inside the modular housing 1 through the rocker arm 37, and the latch module 2 is driven to extend out of the modular housing 1 or retract into the modular housing 1, so that the latch module 2 moves between the first state and the second state. The latch module 2 can be locked in the first state or the second state by the positioning module 4, so as to realize the limit function of the latch module 2; the operating handle 3, the latch module 2 and the modular housing 1 can be combined, and the rotational movement of the operating handle 3 can be converted into the linear movement of the latch module 2 through the rocker arm 37, which greatly saves the installation space of the limit latch, and can realize the open installation and concealed installation functions, and has rich application scenarios. When used as an interior, the limit latch structure has good sealing and aesthetics, meeting different functional requirements.

[0022] In order to facilitate the installation of various module components in the modular housing 1, in this embodiment, please refer to Figure 2 , Figure 7 and Figure 8 The middle part of the modular housing 1 is provided with a latch hole 11 which runs through both ends of the modular housing 1. The latch module 2 is arranged inside the latch hole 11 and can slide in the latch hole 11. The lower part of the modular housing 1 is provided with a handle hole 12 and a cover plate mounting hole 13. There are two cover plate mounting holes 13, which are respectively arranged on both sides of the handle hole 12. The cover plate mounting hole 13 is used to fix the shaft cover 9, and the handle hole 12 is used to install the operating handle 3.

[0023] For modular considerations, the modular shell 1 also integrates a modular mounting slot 14, a first slot 15 and an upper module linkage shaft mounting hole 18, which can be used to assemble other upper functional modules. To prevent displacement of other functional modules, a pin locking hole 16 and a first groove 17 are also provided on the shell.

[0024] The modular housing 1 is also provided with a positioner mounting hole 19, a second groove 110 and a pin movement hole 111. The positioner mounting hole 19 is used to mount the positioning module 4. The second groove 110 allows the rocker arm 37 to move inside the modular housing 1. The pin movement hole 111 is used to set the linkage pin 23. The modular housing 1 is also provided with four housing mounting holes 112 for mounting and fixing the modular housing 1. When implemented, the modular housing 1 can be mounted in the concealed groove of the car door using the housing mounting holes 112 and bolts.

[0025] Preferably, in this embodiment, the modular housing 1 adopts a uniform cross-section design, is manufactured by extrusion molding, and is made of materials such as steel, aluminum alloy or plastic.

[0026] In order to realize the positioning of the latch module 2, the latch module 2 is locked in the first state or the second state. In this embodiment, refer to Figure 5 , Figure 6 , Fig. 9 and Fig.10 The latch module 2 is provided with a first limiting groove 212 and a second limiting groove 221 on one side close to the positioning module 4. When the latch module 2 is in the first state, the positioning module 4 is connected to the first limiting groove 212 to lock the latch module 2 in the first state. When the latch module 2 is in the second state, the positioning module 4 is connected to the second limiting groove 221 to lock the latch module 2 in the second state. The positioning module 4 cooperates with the first limiting groove 212 and the second limiting groove 221 to achieve the positioning of the latch module 2.

[0027] Furthermore, the two opposite groove walls in the first limiting groove 212 and the second limiting groove 221 are both inclined, and the groove walls correspond to the sliding direction of the latch module 2. The cross-sectional areas of the first limiting groove 212 and the second limiting groove 221 gradually increase from the groove bottom to the groove mouth, so that when the latch module 2 slides, the first limiting groove 212 and the second limiting groove 221 are both on the corresponding moving path of the positioning module 4 and the latch module 2; when the latch module 2 slides in the latch through hole 11, it is convenient for the positioning module 4 to enter the limiting groove through the inclined side wall of the limiting groove or move away from the limiting groove through the inclined side wall of the limiting groove. Since the two side walls of the first limiting groove 212 and the second limiting groove 221 are both inclined and have a guiding function, the first limiting groove 212 and the second limiting groove 221 are triangular structures or trapezoidal structures.

[0028] In one embodiment, see Figure 2 , Fig. 9 , Fig.10 and Fig.11 The latch module 2 consists of a first latch 21 and a second latch 22. The first latch 21 and the second latch 22 are coaxially fixedly connected. The first latch 21 and the second latch 22 are both slidably arranged in the latch through hole 11. A linkage pin 23 is arranged on one side of the first latch 21. The linkage pin 23 is slidably connected to one end of the rocker arm 37, and can drive the first latch 21 and the second latch 22 to slide in the latch through hole 11 under the drive of the rocker arm 37; one end of the second latch 22 is connected to the first latch 21, and the other end thereof forms an extended end that can be extended or retracted to the modular housing 1.

[0029] Furthermore, the first latch 21 and the second latch 22 are respectively provided with the first limiting groove 212 and the second limiting groove 221 for cooperating with the positioning module 4 to realize the closing positioning function of the latch module 2 .

[0030] Specifically, see Fig. 9 and Fig.10 The first latch 21 and the second latch 22 are coaxially connected by threaded connection. A first mounting stud 213 is fixedly provided at one end of the first latch 21, and a mounting threaded hole 222 is provided at one end of the second latch 22. The first mounting stud 213 is threadedly connected with the mounting threaded hole 222 to achieve a rigid connection between the first latch 21 and the second latch 22. A latch mounting groove 223 is provided at the protruding end of the second latch 22 away from the mounting threaded hole 222, which is used for assembling and installing the second latch 22. During installation, a screwdriver can be used to rotate the second latch 22 in conjunction with the latch mounting groove 223 to connect the first latch 21 and the second latch 22. The latch mounting groove 223 is a straight groove or a plum blossom groove.

[0031] To increase the strength of the connection, see Fig. 9 , Fig.10 and Fig.11 One side of the first latch 21 is connected to the linkage pin 23 by setting a pin mounting hole 211. The linkage pin 23 is composed of three parts: a pin mounting stud 231, a pin sliding column 232 and a pin cap 233. Among them, the pin mounting stud 231 is threadedly connected to the pin mounting hole 211 to fix the linkage pin 23. The pin mounting hole 211 adopts a sink structure, and the pin sliding column 232 part cooperates with the sink, and the other part of the pin sliding column 232 is slidably connected to the rocker arm 37. The linkage pin 23 is threadedly connected to the pin mounting hole 211 through the pin mounting stud 231 and cooperates with the sink through the thicker and higher strength pin sliding column 232, which can increase the connection strength between the linkage pin 23 and the latch module 2.

[0032] Furthermore, a pin installation groove 234 is provided on the pin cap 233 so that the linkage pin 23 can be tightened through the pin installation groove 234 to achieve fixed connection.

[0033] It is understandable that in other possible embodiments, the first latch 21 and the second latch 22 may also be connected by welding or clamping. The latch module 2 may also be a single latch or a combination of multiple latches.

[0034] The positioning module 4 is used to realize the opening and closing position limiting function of the latch module 2. In this embodiment, please refer to Figure 2 and Fig.12The positioning module 4 includes a positioner body 41, a return spring 42 and a ball 43. The positioner body 41 is installed in a positioner mounting hole 19 opened on one side of the modular shell 1. A positioning mounting groove 44 is opened at one end of the positioner body 41 close to the latch module 2. The return spring 42 and the ball 43 are both arranged in the positioning mounting groove 44, and one end of the return spring 42 is connected to the groove wall of the positioning mounting groove 44, and the other end is connected to the ball 43. The ball 43 can slide in the positioning mounting groove 44 to realize the elastic displacement function of the ball 43 in the positioner body 41.

[0035] During implementation, when the first limiting groove 212 or the second limiting groove 221 corresponds to the position of the locator body 41, the latch module 2 is respectively in the second state or the first state. At this time, the ball 43 can partially protrude from the positioning mounting groove 44 under the elastic action of the return spring 42 to enter the first limiting groove 212 or the second limiting groove 221. The first limiting groove 212 or the second limiting groove 221 is connected by the ball 43 to achieve locking of the latch module 2 in the second state or the first state.

[0036] Furthermore, a threaded connection structure is also provided on the outside of the locator body 41. In fact, an external thread groove is provided on the outside of the locator body 41 to form a threaded column structure. The hole wall of the locator mounting hole 19 is provided with an internal thread groove that matches the locator body 41, so that the locator body 41 is threadedly connected in the locator mounting hole 19. The end of the locator body 41 is provided with a hexagonal mounting hole 45. A hexagonal screwdriver can be used to rotate the locator body 41 in conjunction with the hexagonal mounting hole 45 to adjust the depth position of the locator body 41 in the locator mounting hole 19, thereby realizing the adjustment of the pin limiting force.

[0037] The operating handle 3 is used to drive the latch module 2 to move between the first state and the second state so as to lock and unlock the latch structure. In this embodiment, refer to Figures 13 to 15 The operating handle 3 includes a handle body 31, a movable crank 32 and a crank shaft 33. One end of the handle body 31 is connected to the rocker arm 37 and is rotatably connected to the handle through hole 12 of the modular shell 1. The other end of the handle body 31 is provided with a crank shaft 33, and the movable crank 32 is rotatably connected to the crank shaft 33.

[0038] The movable crank 32 is rotatably connected to the crank shaft 33, so that the movable crank 32 of the handle can rotate around the crank shaft 33 on the handle body 31, and can achieve a rotation angle of 0° to 90°. The rotation stroke when it rotates around the crank shaft 33 has a use state and a storage state; when the movable crank 32 is in the use state, the movable crank 32 and the handle body 31 are perpendicular to each other, and when the movable crank 32 is in the storage state, the movable crank 32 and the handle body 31 are parallel to each other; when the other end of the handle is not in operation, the movable crank 32 can be folded to the storage state to save space.

[0039] Specifically, see Figure 2 , Figures 13 to 18 One end of the handle body 31 is connected to the rocker arm 37 through a handle shaft 36. In order to achieve stable installation of the handle shaft 36, a shaft cover 9 is provided on the side of the modular shell 1 away from the operating handle 3. The shaft cover 9 is fixed to the cover mounting hole 13 of the modular shell 1 through a countersunk bolt 8. A first bushing 6 and a second bushing 7 are fixedly provided in the modular shell 1 and the shaft cover 9, respectively, to connect the handle shaft 36 through the first bushing 6 and the second bushing 7.

[0040] The shaft cover plate 9 is provided with a mounting through hole 91 and a shaft through hole 92, and the shaft through hole 92 is located in the middle of the shaft cover plate 9. It is used to accommodate and install the second bushing 7 so as to connect the handle shaft 36 through the second bushing 7. There are two mounting through holes 91, which are respectively located on both sides of the shaft through hole 92. The shaft cover plate 9 is rigidly connected to the modular housing 1 through the mounting through holes 91 and the countersunk bolts 8. The shaft cover plate 9 is designed in a "U"-shaped structure, and an inwardly concave movement groove 93 is formed in the middle thereof. The shaft through hole 92 is arranged on the inner side of the movement groove 93. When the shaft cover plate 9 is installed on the modular housing 1, the side with the movement groove 93 contacts the modular housing 1. The movement groove 93 is arranged to facilitate the movement of the rocker arm 37 on the modular housing 1.

[0041] The handle shaft 36 passes through the first bushing 6 and the second bushing 7, and can rotate inside the first bushing 6 and the second bushing 7 to achieve a rotational connection with the modular shell 1. One end of the handle body 31 is connected to the handle shaft 36 through a limiting structure to drive the rocker arm 37 to rotate around the handle shaft 36 through the handle shaft 36.

[0042] The limiting structure is a limiting groove and a limiting block structure. One end of the handle shaft 36 is designed as a semicircular structure 361, and the other end is provided with a limiting block 362; the semicircular structure 361 at one end of the handle shaft 36 is used to connect the rocker arm 37; a third limiting groove 35 is provided at one end of the handle body 31, and the third limiting groove 35 cooperates with the limiting block 362 at the other end of the handle shaft 36 to achieve the limiting connection between the handle body 31 and the handle shaft 36, and the handle body 31 can be rotated to drive the handle shaft 36 to rotate, thereby driving the rocker arm 37 to rotate; a handle limiting mounting hole 363 is provided on the limiting block 362 of the handle shaft 36, and a limiting pin mounting hole 34 is provided on one side of the handle body 31, so that the handle body 31 can be fixed through the limiting pin mounting hole 34 and the handle limiting mounting hole 363.

[0043] It should be noted that, in other embodiments, the third limiting groove 35 and the limiting block 362 can be a semicircular or square rod structure, etc., which can limit the initial angle of the handle body 31, and its specific form is not limited here; the handle limiting mounting hole 363 can also be a threaded hole.

[0044] The two ends of the rocker arm 37 are respectively provided with a semicircular hole 371 and an oblong hole 372. The rocker arm 37 is fitted into the semicircular structure 361 of the handle shaft 36 through the semicircular hole 371, and is rigidly connected to the handle shaft 36, which can drive the rocker arm 37 to rotate around the axis. The oblong hole 372 is slidably connected to the latch module 2. In fact, the linkage pin 23 passes through the oblong hole 372 and the pin movement through hole 111 of the modular shell 1 and is fixed on the pin mounting hole 211 of the first latch 21. The pin sliding column 232 of the linkage pin 23 is located in the oblong hole 372, so that the linkage pin 23 and the rocker arm 37 are slidably matched. When the rocker arm 37 rotates around the handle shaft 36, the linkage pin 23 can slide in the oblong hole 372 of the rocker arm 37, which can drive the linkage pin 23 to slide on the pin movement through hole 111, and then drive the first latch 21 and the second latch 22 to slide in the latch through hole 11.

[0045] In some embodiments, see Figure 1 and Fig.19 The modular combined telescopic limit pin structure also includes a pin lock buckle 5, and a pin matching hole 51 for accommodating the protruding end of the pin module 2 is provided on the side of the pin lock buckle 5 close to the modular shell 1, so as to limit the second pin 22; when the pin module 2 is in the first state, the second pin 22 of the pin module 2 extends into the pin matching hole 51 and is plugged and connected with the pin matching hole 51; when the pin module 2 is in the second state, the second pin 22 of the pin module 2 moves out of the pin matching hole 51.

[0046] Furthermore, latch mounting holes 52 are provided on both sides of the latch lock buckle 5 , and the latch lock buckle 5 is installed and fixed through the latch mounting holes 52 .

[0047] During implementation, the modular combined telescopic limit pin structure is fixed to the inside of the vehicle door by bolts, and the second pin 22 can enter and exit from the avoidance hole on the inner panel of the vehicle door, and cooperate with the pin lock buckle 5 fixed at the other end to realize the locking and unlocking functions of the pin.

[0048] In a second aspect, an embodiment of the present invention further provides a vehicle door, see Figure 3 and Figure 4 The automobile door includes the modular combined telescopic limit latch structure described in any of the above embodiments, the modular combined telescopic limit latch structure is fixed inside the door by bolts, the second latch 22 of the latch module 2 can be inserted and exited through the avoidance hole on the door inner panel, and plugged and matched with the latch lock buckle 5 fixed at the other end of the automobile door to lock and unlock the latch module 2. This fixing structure solves the problem that the traditional latch is not beautiful when fixed on the outside of the door and needs to be grooved to affect the sealing when fixed inside the car, and at the same time improves the user's comfort and convenience in operation.

[0049] In order to better understand the present invention, the following Figures 1 to 19 The technical solution of the present invention is described in detail: When the telescopic limit pin needs to be locked, by rotating the movable crank 32 of the operating handle 3 clockwise, the movable crank 32 drives the rocker arm 37 rigidly connected to the handle body 31 to rotate coaxially, and at the same time drives the linkage pin 23 to move in the oblong hole 372 of the rocker arm 37, and the linkage pin 23 drives the first latch 21 and the second latch 22 rigidly connected thereto to make axial movement in the latch through hole 11 of the modular shell 1, and the second latch 22 enters the latch matching hole 51 in the latch lock buckle 5. When the first limiting groove 212 of the first latch 21 moves to the bottom of the locator body 41, the ball 43 in the locator body 41 moves to the first limiting groove 212 of the first latch 21 under the action of the return spring, and the latch module 2 is in the first state. At this time, the pin sliding column 232 of the linkage pin 23 moves to the uppermost end of the oblong hole 372 of the rocker arm 37, playing the role of a limiting latch.

[0050] When the telescopic limit pin needs to be unlocked, the movable crank handle 32 of the operating handle 3 is rotated counterclockwise, and the movable crank handle 32 drives the rocker arm 37 rigidly connected to the handle body 31 to rotate coaxially, and at the same time drives the linkage pin 23 to move in the oblong hole 372 of the rocker arm 37, and the linkage pin 23 drives the first latch 21 and the second latch 22 rigidly connected thereto to make axial movement in the latch through hole 11 of the modular shell 1, and the second latch 22 moves out from the latch matching hole 51 in the latch lock buckle 5, and when the second limiting groove 221 of the second latch 22 moves to the bottom of the locator body 41, the ball 43 in the locator body 41 moves to the second limiting groove 221 of the second latch 22 under the action of the return spring, and the latch module 2 is in the second state. At this time, the pin sliding column 232 of the linkage pin 23 moves to the lowermost end of the oblong hole 372 of the rocker arm 37, playing the role of a limiting latch.

[0051] The limiting force of the pin can be achieved by adjusting the position of the locator body 41. The specific operation is: use a tool to rotate the hexagonal mounting hole 45 of the locator body 41, driving the threads on the side of the locator body 41 to move up and down, thereby adjusting the insertion depth of the ball 43 in the first limiting groove 212 or the second limiting groove 221, and then adjusting the limiting force of the pin.

[0052] In order to save space in the vehicle and prevent misoperation, the movable crank 32 is designed as a foldable structure. When the operating handle 3 is not needed, the movable crank 32 can be rotated around the crank shaft 33 so that the movable crank 32 fits with the handle body 31, thereby realizing the folding function.

[0053] The present invention provides a modular housing 1, a latch module 2, an operating handle 3 and a positioning module 4. The rotational motion of the operating handle 3 can be converted into a linear motion of the latch module 2 through a rocker arm 37, driving the latch module 2 to slide in the modular housing 1, and realizing the telescopic function of the latch module 2; in conjunction with the positioning module 4, the position limiting function of the latch module 2 is realized. The position limiting latch structure of this solution changes the operation mode of the latch module 2 from the traditional sliding push-pull operation to the rotation operation, and adds the position limiting function of the locking and unlocking positions, which significantly improves the safety performance, makes the installation effect more beautiful, and improves the comfort of human-machine operation. It well solves the problem that the traditional latch needs to be slotted to affect the sealing performance when installed in the car door, and can realize the functions of open installation and concealed installation, with rich application scenarios.

[0054] When installing the limit latch structure, only the bolt fixing point and the operating handle 3 need to be reserved on the car door, so that in the door structure with this limit latch structure, the visible parts of the limit latch structure are only the bolt fixing point and the operating handle 3, and the appearance is neater and more beautiful than the traditional limit latch door. The modular combined telescopic limit latch structure is modularly designed, has the advantages of high limit safety, good strength, low cost, etc., good human-machine operation comfort, and good expansion performance.

[0055] In the description of the present application, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0056] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0057] The specific implementation of the present invention described above does not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A modular combined telescopic limit pin structure, characterized in that: include: Modular housing; A latch module, the latch module being slidably disposed inside the modular housing, the latch module having a first state where one end of the latch module extends out of the modular housing and a second state where the end of the latch module is retracted into the modular housing; an operating handle, the operating handle being rotatably connected to the modular housing and connected to the latch module via a rocker arm, so as to convert the rotary motion of the operating handle into the linear motion of the latch module via the rocker arm, so that the latch module moves between a first state and a second state; and A positioning module is used to connect the latch module to lock the latch module in the first state or the second state.

2. The modular combined telescopic limit pin structure according to claim 1, characterized in that: A first limiting groove and a second limiting groove are respectively provided on one side of the latch module close to the positioning module. When the latch module is in the first state, the positioning module is connected to the first limiting groove. When the latch module is in the second state, the positioning module is connected to the second limiting groove.

3. The modular combined telescopic limit pin structure according to claim 2, characterized in that: The latch module includes a first latch and a second latch, the first latch and the second latch are coaxially connected, a linkage pin is provided on one side of the first latch, the linkage pin is slidably connected to one end of the rocker arm, one end of the second latch is connected to the first latch, and the other end thereof forms an extended end that can be extended or retracted to the modular shell; the first latch and the second latch are respectively provided with the first limiting groove and the second limiting groove.

4. The modular combined telescopic limit pin structure according to claim 3, characterized in that: The two corresponding groove walls in the first limiting groove and the second limiting groove are both inclined, and the cross-sectional areas of the first limiting groove and the second limiting groove are gradually increased from the groove bottom to the groove opening.

5. The modular combined telescopic limit pin structure according to claim 2, characterized in that: The positioning module includes a positioner body, a return spring and a ball. The positioner body is installed in a positioner installation hole opened on one side of the modular shell. A positioning installation groove is opened at one end of the positioner body close to the latch module. The return spring and the ball are both arranged in the positioning installation groove, and one end of the return spring is connected to the groove wall of the positioning installation groove, and the other end is connected to the ball, so that when the first limiting groove or the second limiting groove corresponds to the position of the positioner body, the ball can partially protrude from the positioning installation groove under the elastic action of the return spring to enter the first limiting groove or the second limiting groove.

6. The modular combined telescopic limit pin structure according to claim 1, characterized in that: The operating handle includes a handle body, a movable crank and a crank shaft, one end of the handle body is connected to the rocker arm and is rotatably connected to the modular housing, the other end of the handle body is provided with a crank shaft, the movable crank is rotatably connected to the crank shaft, and the rotation stroke of the movable crank when rotating around the crank shaft has a use state and a storage state; When the movable crank is in use, the movable crank and the handle body are perpendicular to each other. When the movable crank is in storage, the movable crank and the handle body are parallel to each other.

7. The modular combined telescopic limit pin structure according to claim 6, characterized in that: A rotating shaft cover is provided on a side of the modular housing away from the operating handle, the rotating shaft cover is connected to the modular housing via a countersunk bolt, and a first bushing and a second bushing are respectively provided in the modular housing and the rotating shaft cover; The operating handle also includes a handle shaft, which passes through the first bushing and the second bushing and is rotationally connected to the first bushing and the second bushing. One end of the handle body is connected to the handle shaft through a limiting structure to drive the rocker arm to rotate around the handle shaft.

8. The modular combined telescopic limit pin structure according to claim 7, characterized in that: A semicircular hole and an oblong hole are respectively provided at two ends of the rocker arm, the semicircular hole is connected with the handle shaft in a fitting sleeve, and the oblong hole is connected with the latch module in a sliding manner.

9. The modular combined telescopic limit pin structure according to claim 1, characterized in that: The modular combined telescopic limit pin structure also includes a pin lock buckle, and a pin matching hole for accommodating the extended end of the pin module is provided on a side of the pin lock buckle close to the modular housing; When the latch module is in the first state, the latch module extends into the latch matching hole and is plugged into the latch matching hole; when the latch module is in the second state, the latch module moves out of the latch matching hole.

10. A car door, characterized in that: It comprises a modular combined telescopic limit pin structure as claimed in any one of claims 1 to 9, The modular combined telescopic limit pin structure is fixed to the inside of the vehicle door by bolts, and the pin module is inserted and exited through the avoidance hole on the inner panel of the door, and is plugged and matched with the pin lock buckle fixed at the other end of the vehicle door to lock and unlock the pin module.

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